-/* Target-dependent code for GDB, the GNU debugger.
+/* Target-dependent code for GNU/Linux on s390.
- Copyright (C) 2001-2017 Free Software Foundation, Inc.
+ Copyright (C) 2001-2018 Free Software Foundation, Inc.
for IBM Deutschland Entwicklung GmbH, IBM Corporation.
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
-#include "arch-utils.h"
-#include "frame.h"
-#include "inferior.h"
-#include "infrun.h"
-#include "symtab.h"
-#include "target.h"
+
+#include "auxv.h"
+#include "elf/common.h"
+#include "frame-base.h"
+#include "frame-unwind.h"
+#include "gdbarch.h"
#include "gdbcore.h"
-#include "gdbcmd.h"
+#include "linux-record.h"
+#include "linux-tdep.h"
#include "objfiles.h"
-#include "floatformat.h"
+#include "osabi.h"
#include "regcache.h"
-#include "trad-frame.h"
-#include "frame-base.h"
-#include "frame-unwind.h"
-#include "dwarf2-frame.h"
-#include "reggroups.h"
+#include "record-full.h"
#include "regset.h"
-#include "value.h"
-#include "dis-asm.h"
-#include "solib-svr4.h"
-#include "prologue-value.h"
-#include "linux-tdep.h"
+#include "s390-tdep.h"
#include "s390-linux-tdep.h"
-#include "linux-record.h"
-#include "record-full.h"
-#include "auxv.h"
+#include "solib-svr4.h"
+#include "target.h"
+#include "trad-frame.h"
#include "xml-syscall.h"
-#include "stap-probe.h"
-#include "ax.h"
-#include "ax-gdb.h"
-#include "user-regs.h"
-#include "cli/cli-utils.h"
-#include <ctype.h>
-#include "elf/common.h"
-#include "elf/s390.h"
-#include "elf-bfd.h"
-#include <algorithm>
-
-#include "features/s390-linux32.c"
#include "features/s390-linux32v1.c"
#include "features/s390-linux32v2.c"
#include "features/s390-linux64.c"
#include "features/s390-te-linux64.c"
#include "features/s390-vx-linux64.c"
#include "features/s390-tevx-linux64.c"
-#include "features/s390x-linux64.c"
+#include "features/s390-gs-linux64.c"
#include "features/s390x-linux64v1.c"
#include "features/s390x-linux64v2.c"
#include "features/s390x-te-linux64.c"
#include "features/s390x-vx-linux64.c"
#include "features/s390x-tevx-linux64.c"
+#include "features/s390x-gs-linux64.c"
#define XML_SYSCALL_FILENAME_S390 "syscalls/s390-linux.xml"
#define XML_SYSCALL_FILENAME_S390X "syscalls/s390x-linux.xml"
-/* Holds the current set of options to be passed to the disassembler. */
-static char *s390_disassembler_options;
-
-enum s390_abi_kind
-{
- ABI_LINUX_S390,
- ABI_LINUX_ZSERIES
-};
-
-enum s390_vector_abi_kind
-{
- S390_VECTOR_ABI_NONE,
- S390_VECTOR_ABI_128
-};
-
-/* The tdep structure. */
-
-struct gdbarch_tdep
-{
- /* ABI version. */
- enum s390_abi_kind abi;
-
- /* Vector ABI. */
- enum s390_vector_abi_kind vector_abi;
- /* Pseudo register numbers. */
- int gpr_full_regnum;
- int pc_regnum;
- int cc_regnum;
- int v0_full_regnum;
+/* Register handling. */
- int have_linux_v1;
- int have_linux_v2;
- int have_tdb;
-};
-
-
-/* ABI call-saved register information. */
-
-static int
-s390_register_call_saved (struct gdbarch *gdbarch, int regnum)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-
- switch (tdep->abi)
- {
- case ABI_LINUX_S390:
- if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM)
- || regnum == S390_F4_REGNUM || regnum == S390_F6_REGNUM
- || regnum == S390_A0_REGNUM)
- return 1;
-
- break;
-
- case ABI_LINUX_ZSERIES:
- if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM)
- || (regnum >= S390_F8_REGNUM && regnum <= S390_F15_REGNUM)
- || (regnum >= S390_A0_REGNUM && regnum <= S390_A1_REGNUM))
- return 1;
-
- break;
- }
-
- return 0;
-}
+/* Implement cannot_store_register gdbarch method. */
static int
s390_cannot_store_register (struct gdbarch *gdbarch, int regnum)
return regnum == S390_LAST_BREAK_REGNUM;
}
+/* Implement write_pc gdbarch method. */
+
static void
s390_write_pc (struct regcache *regcache, CORE_ADDR pc)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
regcache_cooked_write_unsigned (regcache, tdep->pc_regnum, pc);
regcache_cooked_write_unsigned (regcache, S390_SYSTEM_CALL_REGNUM, 0);
}
-/* The "guess_tracepoint_registers" gdbarch method. */
-
-static void
-s390_guess_tracepoint_registers (struct gdbarch *gdbarch,
- struct regcache *regcache,
- CORE_ADDR addr)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- int sz = register_size (gdbarch, S390_PSWA_REGNUM);
- gdb_byte *reg = (gdb_byte *) alloca (sz);
- ULONGEST pswm, pswa;
+/* Maps for register sets. */
- /* Set PSWA from the location and a default PSWM (the only part we're
- unlikely to get right is the CC). */
- if (tdep->abi == ABI_LINUX_S390)
- {
- /* 31-bit PSWA needs high bit set (it's very unlikely the target
- was in 24-bit mode). */
- pswa = addr | 0x80000000UL;
- pswm = 0x070d0000UL;
- }
- else
- {
- pswa = addr;
- pswm = 0x0705000180000000ULL;
- }
+static const struct regcache_map_entry s390_gregmap[] =
+ {
+ { 1, S390_PSWM_REGNUM },
+ { 1, S390_PSWA_REGNUM },
+ { 16, S390_R0_REGNUM },
+ { 16, S390_A0_REGNUM },
+ { 1, S390_ORIG_R2_REGNUM },
+ { 0 }
+ };
- store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswa);
- regcache_raw_supply (regcache, S390_PSWA_REGNUM, reg);
+static const struct regcache_map_entry s390_fpregmap[] =
+ {
+ { 1, S390_FPC_REGNUM, 8 },
+ { 16, S390_F0_REGNUM, 8 },
+ { 0 }
+ };
- store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswm);
- regcache_raw_supply (regcache, S390_PSWM_REGNUM, reg);
-}
+static const struct regcache_map_entry s390_regmap_upper[] =
+ {
+ { 16, S390_R0_UPPER_REGNUM, 4 },
+ { 0 }
+ };
+static const struct regcache_map_entry s390_regmap_last_break[] =
+ {
+ { 1, REGCACHE_MAP_SKIP, 4 },
+ { 1, S390_LAST_BREAK_REGNUM, 4 },
+ { 0 }
+ };
-/* DWARF Register Mapping. */
+static const struct regcache_map_entry s390x_regmap_last_break[] =
+ {
+ { 1, S390_LAST_BREAK_REGNUM, 8 },
+ { 0 }
+ };
-static const short s390_dwarf_regmap[] =
-{
- /* 0-15: General Purpose Registers. */
- S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM,
- S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM,
- S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM,
- S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM,
-
- /* 16-31: Floating Point Registers / Vector Registers 0-15. */
- S390_F0_REGNUM, S390_F2_REGNUM, S390_F4_REGNUM, S390_F6_REGNUM,
- S390_F1_REGNUM, S390_F3_REGNUM, S390_F5_REGNUM, S390_F7_REGNUM,
- S390_F8_REGNUM, S390_F10_REGNUM, S390_F12_REGNUM, S390_F14_REGNUM,
- S390_F9_REGNUM, S390_F11_REGNUM, S390_F13_REGNUM, S390_F15_REGNUM,
-
- /* 32-47: Control Registers (not mapped). */
- -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1,
-
- /* 48-63: Access Registers. */
- S390_A0_REGNUM, S390_A1_REGNUM, S390_A2_REGNUM, S390_A3_REGNUM,
- S390_A4_REGNUM, S390_A5_REGNUM, S390_A6_REGNUM, S390_A7_REGNUM,
- S390_A8_REGNUM, S390_A9_REGNUM, S390_A10_REGNUM, S390_A11_REGNUM,
- S390_A12_REGNUM, S390_A13_REGNUM, S390_A14_REGNUM, S390_A15_REGNUM,
-
- /* 64-65: Program Status Word. */
- S390_PSWM_REGNUM,
- S390_PSWA_REGNUM,
-
- /* 66-67: Reserved. */
- -1, -1,
-
- /* 68-83: Vector Registers 16-31. */
- S390_V16_REGNUM, S390_V18_REGNUM, S390_V20_REGNUM, S390_V22_REGNUM,
- S390_V17_REGNUM, S390_V19_REGNUM, S390_V21_REGNUM, S390_V23_REGNUM,
- S390_V24_REGNUM, S390_V26_REGNUM, S390_V28_REGNUM, S390_V30_REGNUM,
- S390_V25_REGNUM, S390_V27_REGNUM, S390_V29_REGNUM, S390_V31_REGNUM,
-
- /* End of "official" DWARF registers. The remainder of the map is
- for GDB internal use only. */
-
- /* GPR Lower Half Access. */
- S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM,
- S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM,
- S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM,
- S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM,
-};
+static const struct regcache_map_entry s390_regmap_system_call[] =
+ {
+ { 1, S390_SYSTEM_CALL_REGNUM, 4 },
+ { 0 }
+ };
-enum { s390_dwarf_reg_r0l = ARRAY_SIZE (s390_dwarf_regmap) - 16 };
+static const struct regcache_map_entry s390_regmap_tdb[] =
+ {
+ { 1, S390_TDB_DWORD0_REGNUM, 8 },
+ { 1, S390_TDB_ABORT_CODE_REGNUM, 8 },
+ { 1, S390_TDB_CONFLICT_TOKEN_REGNUM, 8 },
+ { 1, S390_TDB_ATIA_REGNUM, 8 },
+ { 12, REGCACHE_MAP_SKIP, 8 },
+ { 16, S390_TDB_R0_REGNUM, 8 },
+ { 0 }
+ };
-/* Convert DWARF register number REG to the appropriate register
- number used by GDB. */
-static int
-s390_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int reg)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- int gdb_reg = -1;
+static const struct regcache_map_entry s390_regmap_vxrs_low[] =
+ {
+ { 16, S390_V0_LOWER_REGNUM, 8 },
+ { 0 }
+ };
- /* In a 32-on-64 debug scenario, debug info refers to the full
- 64-bit GPRs. Note that call frame information still refers to
- the 32-bit lower halves, because s390_adjust_frame_regnum uses
- special register numbers to access GPRs. */
- if (tdep->gpr_full_regnum != -1 && reg >= 0 && reg < 16)
- return tdep->gpr_full_regnum + reg;
+static const struct regcache_map_entry s390_regmap_vxrs_high[] =
+ {
+ { 16, S390_V16_REGNUM, 16 },
+ { 0 }
+ };
- if (reg >= 0 && reg < ARRAY_SIZE (s390_dwarf_regmap))
- gdb_reg = s390_dwarf_regmap[reg];
+static const struct regcache_map_entry s390_regmap_gs[] =
+ {
+ { 1, REGCACHE_MAP_SKIP, 8 },
+ { 1, S390_GSD_REGNUM, 8 },
+ { 1, S390_GSSM_REGNUM, 8 },
+ { 1, S390_GSEPLA_REGNUM, 8 },
+ { 0 }
+ };
- if (tdep->v0_full_regnum == -1)
- {
- if (gdb_reg >= S390_V16_REGNUM && gdb_reg <= S390_V31_REGNUM)
- gdb_reg = -1;
- }
- else
- {
- if (gdb_reg >= S390_F0_REGNUM && gdb_reg <= S390_F15_REGNUM)
- gdb_reg = gdb_reg - S390_F0_REGNUM + tdep->v0_full_regnum;
- }
+static const struct regcache_map_entry s390_regmap_gsbc[] =
+ {
+ { 1, REGCACHE_MAP_SKIP, 8 },
+ { 1, S390_BC_GSD_REGNUM, 8 },
+ { 1, S390_BC_GSSM_REGNUM, 8 },
+ { 1, S390_BC_GSEPLA_REGNUM, 8 },
+ { 0 }
+ };
- return gdb_reg;
-}
+/* Supply the TDB regset. Like regcache_supply_regset, but invalidate
+ the TDB registers unless the TDB format field is valid. */
-/* Translate a .eh_frame register to DWARF register, or adjust a
- .debug_frame register. */
-static int
-s390_adjust_frame_regnum (struct gdbarch *gdbarch, int num, int eh_frame_p)
+static void
+s390_supply_tdb_regset (const struct regset *regset, struct regcache *regcache,
+ int regnum, const void *regs, size_t len)
{
- /* See s390_dwarf_reg_to_regnum for comments. */
- return (num >= 0 && num < 16) ? num + s390_dwarf_reg_r0l : num;
-}
+ ULONGEST tdw;
+ enum register_status ret;
+ regcache_supply_regset (regset, regcache, regnum, regs, len);
+ ret = regcache_cooked_read_unsigned (regcache, S390_TDB_DWORD0_REGNUM, &tdw);
+ if (ret != REG_VALID || (tdw >> 56) != 1)
+ regcache_supply_regset (regset, regcache, regnum, NULL, len);
+}
-/* Pseudo registers. */
+const struct regset s390_gregset = {
+ s390_gregmap,
+ regcache_supply_regset,
+ regcache_collect_regset
+};
-static int
-regnum_is_gpr_full (struct gdbarch_tdep *tdep, int regnum)
-{
- return (tdep->gpr_full_regnum != -1
- && regnum >= tdep->gpr_full_regnum
- && regnum <= tdep->gpr_full_regnum + 15);
-}
+const struct regset s390_fpregset = {
+ s390_fpregmap,
+ regcache_supply_regset,
+ regcache_collect_regset
+};
-/* Check whether REGNUM indicates a full vector register (v0-v15).
- These pseudo-registers are composed of f0-f15 and v0l-v15l. */
+static const struct regset s390_upper_regset = {
+ s390_regmap_upper,
+ regcache_supply_regset,
+ regcache_collect_regset
+};
-static int
-regnum_is_vxr_full (struct gdbarch_tdep *tdep, int regnum)
-{
- return (tdep->v0_full_regnum != -1
- && regnum >= tdep->v0_full_regnum
- && regnum <= tdep->v0_full_regnum + 15);
-}
+const struct regset s390_last_break_regset = {
+ s390_regmap_last_break,
+ regcache_supply_regset,
+ regcache_collect_regset
+};
-/* Return the name of register REGNO. Return the empty string for
- registers that shouldn't be visible. */
+const struct regset s390x_last_break_regset = {
+ s390x_regmap_last_break,
+ regcache_supply_regset,
+ regcache_collect_regset
+};
-static const char *
-s390_register_name (struct gdbarch *gdbarch, int regnum)
-{
- if (regnum >= S390_V0_LOWER_REGNUM
- && regnum <= S390_V15_LOWER_REGNUM)
- return "";
- return tdesc_register_name (gdbarch, regnum);
-}
+const struct regset s390_system_call_regset = {
+ s390_regmap_system_call,
+ regcache_supply_regset,
+ regcache_collect_regset
+};
-static const char *
-s390_pseudo_register_name (struct gdbarch *gdbarch, int regnum)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+const struct regset s390_tdb_regset = {
+ s390_regmap_tdb,
+ s390_supply_tdb_regset,
+ regcache_collect_regset
+};
- if (regnum == tdep->pc_regnum)
- return "pc";
+const struct regset s390_vxrs_low_regset = {
+ s390_regmap_vxrs_low,
+ regcache_supply_regset,
+ regcache_collect_regset
+};
- if (regnum == tdep->cc_regnum)
- return "cc";
+const struct regset s390_vxrs_high_regset = {
+ s390_regmap_vxrs_high,
+ regcache_supply_regset,
+ regcache_collect_regset
+};
- if (regnum_is_gpr_full (tdep, regnum))
- {
- static const char *full_name[] = {
- "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
- "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
- };
- return full_name[regnum - tdep->gpr_full_regnum];
- }
+const struct regset s390_gs_regset = {
+ s390_regmap_gs,
+ regcache_supply_regset,
+ regcache_collect_regset
+};
- if (regnum_is_vxr_full (tdep, regnum))
- {
- static const char *full_name[] = {
- "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
- "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15"
- };
- return full_name[regnum - tdep->v0_full_regnum];
- }
+const struct regset s390_gsbc_regset = {
+ s390_regmap_gsbc,
+ regcache_supply_regset,
+ regcache_collect_regset
+};
- internal_error (__FILE__, __LINE__, _("invalid regnum"));
-}
+/* Iterate over supported core file register note sections. */
-static struct type *
-s390_pseudo_register_type (struct gdbarch *gdbarch, int regnum)
+static void
+s390_iterate_over_regset_sections (struct gdbarch *gdbarch,
+ iterate_over_regset_sections_cb *cb,
+ void *cb_data,
+ const struct regcache *regcache)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ const int gregset_size = (tdep->abi == ABI_LINUX_S390 ?
+ s390_sizeof_gregset : s390x_sizeof_gregset);
- if (regnum == tdep->pc_regnum)
- return builtin_type (gdbarch)->builtin_func_ptr;
-
- if (regnum == tdep->cc_regnum)
- return builtin_type (gdbarch)->builtin_int;
+ cb (".reg", gregset_size, &s390_gregset, NULL, cb_data);
+ cb (".reg2", s390_sizeof_fpregset, &s390_fpregset, NULL, cb_data);
- if (regnum_is_gpr_full (tdep, regnum))
- return builtin_type (gdbarch)->builtin_uint64;
+ if (tdep->abi == ABI_LINUX_S390 && tdep->gpr_full_regnum != -1)
+ cb (".reg-s390-high-gprs", 16 * 4, &s390_upper_regset,
+ "s390 GPR upper halves", cb_data);
- if (regnum_is_vxr_full (tdep, regnum))
- return tdesc_find_type (gdbarch, "vec128");
+ if (tdep->have_linux_v1)
+ cb (".reg-s390-last-break", 8,
+ (gdbarch_ptr_bit (gdbarch) == 32
+ ? &s390_last_break_regset : &s390x_last_break_regset),
+ "s390 last-break address", cb_data);
- internal_error (__FILE__, __LINE__, _("invalid regnum"));
-}
+ if (tdep->have_linux_v2)
+ cb (".reg-s390-system-call", 4, &s390_system_call_regset,
+ "s390 system-call", cb_data);
-static enum register_status
-s390_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
- int regnum, gdb_byte *buf)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- int regsize = register_size (gdbarch, regnum);
- ULONGEST val;
+ /* If regcache is set, we are in "write" (gcore) mode. In this
+ case, don't iterate over the TDB unless its registers are
+ available. */
+ if (tdep->have_tdb
+ && (regcache == NULL
+ || (REG_VALID
+ == regcache->get_register_status (S390_TDB_DWORD0_REGNUM))))
+ cb (".reg-s390-tdb", s390_sizeof_tdbregset, &s390_tdb_regset,
+ "s390 TDB", cb_data);
- if (regnum == tdep->pc_regnum)
+ if (tdep->v0_full_regnum != -1)
{
- enum register_status status;
-
- status = regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &val);
- if (status == REG_VALID)
- {
- if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
- val &= 0x7fffffff;
- store_unsigned_integer (buf, regsize, byte_order, val);
- }
- return status;
+ cb (".reg-s390-vxrs-low", 16 * 8, &s390_vxrs_low_regset,
+ "s390 vector registers 0-15 lower half", cb_data);
+ cb (".reg-s390-vxrs-high", 16 * 16, &s390_vxrs_high_regset,
+ "s390 vector registers 16-31", cb_data);
}
- if (regnum == tdep->cc_regnum)
+ /* Iterate over the guarded-storage regsets if in "read" mode, or if
+ their registers are available. */
+ if (tdep->have_gs)
{
- enum register_status status;
-
- status = regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &val);
- if (status == REG_VALID)
- {
- if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
- val = (val >> 12) & 3;
- else
- val = (val >> 44) & 3;
- store_unsigned_integer (buf, regsize, byte_order, val);
- }
- return status;
- }
+ if (regcache == NULL
+ || REG_VALID == regcache->get_register_status (S390_GSD_REGNUM))
+ cb (".reg-s390-gs-cb", 4 * 8, &s390_gs_regset,
+ "s390 guarded-storage registers", cb_data);
- if (regnum_is_gpr_full (tdep, regnum))
- {
- enum register_status status;
- ULONGEST val_upper;
-
- regnum -= tdep->gpr_full_regnum;
-
- status = regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + regnum, &val);
- if (status == REG_VALID)
- status = regcache_raw_read_unsigned (regcache, S390_R0_UPPER_REGNUM + regnum,
- &val_upper);
- if (status == REG_VALID)
- {
- val |= val_upper << 32;
- store_unsigned_integer (buf, regsize, byte_order, val);
- }
- return status;
+ if (regcache == NULL
+ || REG_VALID == regcache->get_register_status (S390_BC_GSD_REGNUM))
+ cb (".reg-s390-gs-bc", 4 * 8, &s390_gsbc_regset,
+ "s390 guarded-storage broadcast control", cb_data);
}
+}
- if (regnum_is_vxr_full (tdep, regnum))
- {
- enum register_status status;
-
- regnum -= tdep->v0_full_regnum;
+/* Implement core_read_description gdbarch method. */
- status = regcache_raw_read (regcache, S390_F0_REGNUM + regnum, buf);
- if (status == REG_VALID)
- status = regcache_raw_read (regcache,
- S390_V0_LOWER_REGNUM + regnum, buf + 8);
- return status;
- }
-
- internal_error (__FILE__, __LINE__, _("invalid regnum"));
-}
-
-static void
-s390_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache,
- int regnum, const gdb_byte *buf)
+static const struct target_desc *
+s390_core_read_description (struct gdbarch *gdbarch,
+ struct target_ops *target, bfd *abfd)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- int regsize = register_size (gdbarch, regnum);
- ULONGEST val, psw;
+ asection *section = bfd_get_section_by_name (abfd, ".reg");
+ CORE_ADDR hwcap = 0;
+ bool high_gprs, v1, v2, te, vx, gs;
- if (regnum == tdep->pc_regnum)
- {
- val = extract_unsigned_integer (buf, regsize, byte_order);
- if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
- {
- regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &psw);
- val = (psw & 0x80000000) | (val & 0x7fffffff);
- }
- regcache_raw_write_unsigned (regcache, S390_PSWA_REGNUM, val);
- return;
- }
+ target_auxv_search (target, AT_HWCAP, &hwcap);
+ if (!section)
+ return NULL;
+
+ high_gprs = (bfd_get_section_by_name (abfd, ".reg-s390-high-gprs")
+ != NULL);
+ v1 = (bfd_get_section_by_name (abfd, ".reg-s390-last-break") != NULL);
+ v2 = (bfd_get_section_by_name (abfd, ".reg-s390-system-call") != NULL);
+ vx = (hwcap & HWCAP_S390_VX);
+ te = (hwcap & HWCAP_S390_TE);
+ gs = (hwcap & HWCAP_S390_GS);
- if (regnum == tdep->cc_regnum)
+ switch (bfd_section_size (abfd, section))
{
- val = extract_unsigned_integer (buf, regsize, byte_order);
- regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &psw);
- if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
- val = (psw & ~((ULONGEST)3 << 12)) | ((val & 3) << 12);
+ case s390_sizeof_gregset:
+ if (high_gprs)
+ return (gs ? tdesc_s390_gs_linux64 :
+ te && vx ? tdesc_s390_tevx_linux64 :
+ vx ? tdesc_s390_vx_linux64 :
+ te ? tdesc_s390_te_linux64 :
+ v2 ? tdesc_s390_linux64v2 :
+ v1 ? tdesc_s390_linux64v1 : tdesc_s390_linux64);
else
- val = (psw & ~((ULONGEST)3 << 44)) | ((val & 3) << 44);
- regcache_raw_write_unsigned (regcache, S390_PSWM_REGNUM, val);
- return;
- }
+ return (v2 ? tdesc_s390_linux32v2 :
+ v1 ? tdesc_s390_linux32v1 : tdesc_s390_linux32);
- if (regnum_is_gpr_full (tdep, regnum))
- {
- regnum -= tdep->gpr_full_regnum;
- val = extract_unsigned_integer (buf, regsize, byte_order);
- regcache_raw_write_unsigned (regcache, S390_R0_REGNUM + regnum,
- val & 0xffffffff);
- regcache_raw_write_unsigned (regcache, S390_R0_UPPER_REGNUM + regnum,
- val >> 32);
- return;
- }
+ case s390x_sizeof_gregset:
+ return (gs ? tdesc_s390x_gs_linux64 :
+ te && vx ? tdesc_s390x_tevx_linux64 :
+ vx ? tdesc_s390x_vx_linux64 :
+ te ? tdesc_s390x_te_linux64 :
+ v2 ? tdesc_s390x_linux64v2 :
+ v1 ? tdesc_s390x_linux64v1 : tdesc_s390x_linux64);
- if (regnum_is_vxr_full (tdep, regnum))
- {
- regnum -= tdep->v0_full_regnum;
- regcache_raw_write (regcache, S390_F0_REGNUM + regnum, buf);
- regcache_raw_write (regcache, S390_V0_LOWER_REGNUM + regnum, buf + 8);
- return;
+ default:
+ return NULL;
}
-
- internal_error (__FILE__, __LINE__, _("invalid regnum"));
}
-/* 'float' values are stored in the upper half of floating-point
- registers, even though we are otherwise a big-endian platform. The
- same applies to a 'float' value within a vector. */
-
-static struct value *
-s390_value_from_register (struct gdbarch *gdbarch, struct type *type,
- int regnum, struct frame_id frame_id)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- struct value *value = default_value_from_register (gdbarch, type,
- regnum, frame_id);
- check_typedef (type);
+/* Frame unwinding. */
- if ((regnum >= S390_F0_REGNUM && regnum <= S390_F15_REGNUM
- && TYPE_LENGTH (type) < 8)
- || regnum_is_vxr_full (tdep, regnum)
- || (regnum >= S390_V16_REGNUM && regnum <= S390_V31_REGNUM))
- set_value_offset (value, 0);
+/* Signal trampoline stack frames. */
- return value;
-}
+struct s390_sigtramp_unwind_cache {
+ CORE_ADDR frame_base;
+ struct trad_frame_saved_reg *saved_regs;
+};
-/* Register groups. */
+/* Unwind THIS_FRAME and return the corresponding unwind cache for
+ s390_sigtramp_frame_unwind. */
-static int
-s390_pseudo_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
- struct reggroup *group)
+static struct s390_sigtramp_unwind_cache *
+s390_sigtramp_frame_unwind_cache (struct frame_info *this_frame,
+ void **this_prologue_cache)
{
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ int word_size = gdbarch_ptr_bit (gdbarch) / 8;
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+ struct s390_sigtramp_unwind_cache *info;
+ ULONGEST this_sp, prev_sp;
+ CORE_ADDR next_ra, next_cfa, sigreg_ptr, sigreg_high_off;
+ int i;
- /* We usually save/restore the whole PSW, which includes PC and CC.
- However, some older gdbservers may not support saving/restoring
- the whole PSW yet, and will return an XML register description
- excluding those from the save/restore register groups. In those
- cases, we still need to explicitly save/restore PC and CC in order
- to push or pop frames. Since this doesn't hurt anything if we
- already save/restore the whole PSW (it's just redundant), we add
- PC and CC at this point unconditionally. */
- if (group == save_reggroup || group == restore_reggroup)
- return regnum == tdep->pc_regnum || regnum == tdep->cc_regnum;
-
- if (group == vector_reggroup)
- return regnum_is_vxr_full (tdep, regnum);
-
- if (group == general_reggroup && regnum_is_vxr_full (tdep, regnum))
- return 0;
+ if (*this_prologue_cache)
+ return (struct s390_sigtramp_unwind_cache *) *this_prologue_cache;
- return default_register_reggroup_p (gdbarch, regnum, group);
-}
+ info = FRAME_OBSTACK_ZALLOC (struct s390_sigtramp_unwind_cache);
+ *this_prologue_cache = info;
+ info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
-/* The "ax_pseudo_register_collect" gdbarch method. */
+ this_sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
+ next_ra = get_frame_pc (this_frame);
+ next_cfa = this_sp + 16*word_size + 32;
-static int
-s390_ax_pseudo_register_collect (struct gdbarch *gdbarch,
- struct agent_expr *ax, int regnum)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- if (regnum == tdep->pc_regnum)
- {
- ax_reg_mask (ax, S390_PSWA_REGNUM);
- }
- else if (regnum == tdep->cc_regnum)
- {
- ax_reg_mask (ax, S390_PSWM_REGNUM);
- }
- else if (regnum_is_gpr_full (tdep, regnum))
- {
- regnum -= tdep->gpr_full_regnum;
- ax_reg_mask (ax, S390_R0_REGNUM + regnum);
- ax_reg_mask (ax, S390_R0_UPPER_REGNUM + regnum);
- }
- else if (regnum_is_vxr_full (tdep, regnum))
+ /* New-style RT frame:
+ retcode + alignment (8 bytes)
+ siginfo (128 bytes)
+ ucontext (contains sigregs at offset 5 words). */
+ if (next_ra == next_cfa)
{
- regnum -= tdep->v0_full_regnum;
- ax_reg_mask (ax, S390_F0_REGNUM + regnum);
- ax_reg_mask (ax, S390_V0_LOWER_REGNUM + regnum);
+ sigreg_ptr = next_cfa + 8 + 128 + align_up (5*word_size, 8);
+ /* sigregs are followed by uc_sigmask (8 bytes), then by the
+ upper GPR halves if present. */
+ sigreg_high_off = 8;
}
+
+ /* Old-style RT frame and all non-RT frames:
+ old signal mask (8 bytes)
+ pointer to sigregs. */
else
{
- internal_error (__FILE__, __LINE__, _("invalid regnum"));
+ sigreg_ptr = read_memory_unsigned_integer (next_cfa + 8,
+ word_size, byte_order);
+ /* sigregs are followed by signo (4 bytes), then by the
+ upper GPR halves if present. */
+ sigreg_high_off = 4;
}
- return 0;
-}
-/* The "ax_pseudo_register_push_stack" gdbarch method. */
+ /* The sigregs structure looks like this:
+ long psw_mask;
+ long psw_addr;
+ long gprs[16];
+ int acrs[16];
+ int fpc;
+ int __pad;
+ double fprs[16]; */
+
+ /* PSW mask and address. */
+ info->saved_regs[S390_PSWM_REGNUM].addr = sigreg_ptr;
+ sigreg_ptr += word_size;
+ info->saved_regs[S390_PSWA_REGNUM].addr = sigreg_ptr;
+ sigreg_ptr += word_size;
-static int
-s390_ax_pseudo_register_push_stack (struct gdbarch *gdbarch,
- struct agent_expr *ax, int regnum)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- if (regnum == tdep->pc_regnum)
- {
- ax_reg (ax, S390_PSWA_REGNUM);
- if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
- {
- ax_zero_ext (ax, 31);
- }
- }
- else if (regnum == tdep->cc_regnum)
- {
- ax_reg (ax, S390_PSWM_REGNUM);
- if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
- ax_const_l (ax, 12);
- else
- ax_const_l (ax, 44);
- ax_simple (ax, aop_rsh_unsigned);
- ax_zero_ext (ax, 2);
- }
- else if (regnum_is_gpr_full (tdep, regnum))
+ /* Then the GPRs. */
+ for (i = 0; i < 16; i++)
{
- regnum -= tdep->gpr_full_regnum;
- ax_reg (ax, S390_R0_REGNUM + regnum);
- ax_reg (ax, S390_R0_UPPER_REGNUM + regnum);
- ax_const_l (ax, 32);
- ax_simple (ax, aop_lsh);
- ax_simple (ax, aop_bit_or);
+ info->saved_regs[S390_R0_REGNUM + i].addr = sigreg_ptr;
+ sigreg_ptr += word_size;
}
- else if (regnum_is_vxr_full (tdep, regnum))
+
+ /* Then the ACRs. */
+ for (i = 0; i < 16; i++)
{
- /* Too large to stuff on the stack. */
- return 1;
+ info->saved_regs[S390_A0_REGNUM + i].addr = sigreg_ptr;
+ sigreg_ptr += 4;
}
- else
+
+ /* The floating-point control word. */
+ info->saved_regs[S390_FPC_REGNUM].addr = sigreg_ptr;
+ sigreg_ptr += 8;
+
+ /* And finally the FPRs. */
+ for (i = 0; i < 16; i++)
{
- internal_error (__FILE__, __LINE__, _("invalid regnum"));
+ info->saved_regs[S390_F0_REGNUM + i].addr = sigreg_ptr;
+ sigreg_ptr += 8;
}
- return 0;
+
+ /* If we have them, the GPR upper halves are appended at the end. */
+ sigreg_ptr += sigreg_high_off;
+ if (tdep->gpr_full_regnum != -1)
+ for (i = 0; i < 16; i++)
+ {
+ info->saved_regs[S390_R0_UPPER_REGNUM + i].addr = sigreg_ptr;
+ sigreg_ptr += 4;
+ }
+
+ /* Restore the previous frame's SP. */
+ prev_sp = read_memory_unsigned_integer (
+ info->saved_regs[S390_SP_REGNUM].addr,
+ word_size, byte_order);
+
+ /* Determine our frame base. */
+ info->frame_base = prev_sp + 16*word_size + 32;
+
+ return info;
}
-/* The "gen_return_address" gdbarch method. Since this is supposed to be
- just a best-effort method, and we don't really have the means to run
- the full unwinder here, just collect the link register. */
+/* Implement this_id frame_unwind method for s390_sigtramp_frame_unwind. */
static void
-s390_gen_return_address (struct gdbarch *gdbarch,
- struct agent_expr *ax, struct axs_value *value,
- CORE_ADDR scope)
+s390_sigtramp_frame_this_id (struct frame_info *this_frame,
+ void **this_prologue_cache,
+ struct frame_id *this_id)
{
- value->type = register_type (gdbarch, S390_R14_REGNUM);
- value->kind = axs_lvalue_register;
- value->u.reg = S390_R14_REGNUM;
+ struct s390_sigtramp_unwind_cache *info
+ = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache);
+ *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame));
}
+/* Implement prev_register frame_unwind method for sigtramp frames. */
+
+static struct value *
+s390_sigtramp_frame_prev_register (struct frame_info *this_frame,
+ void **this_prologue_cache, int regnum)
+{
+ struct s390_sigtramp_unwind_cache *info
+ = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache);
+ return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum);
+}
-/* A helper for s390_software_single_step, decides if an instruction
- is a partial-execution instruction that needs to be executed until
- completion when in record mode. If it is, returns 1 and writes
- instruction length to a pointer. */
+/* Implement sniffer frame_unwind method for sigtramp frames. */
static int
-s390_is_partial_instruction (struct gdbarch *gdbarch, CORE_ADDR loc, int *len)
+s390_sigtramp_frame_sniffer (const struct frame_unwind *self,
+ struct frame_info *this_frame,
+ void **this_prologue_cache)
{
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- uint16_t insn;
-
- insn = read_memory_integer (loc, 2, byte_order);
+ CORE_ADDR pc = get_frame_pc (this_frame);
+ bfd_byte sigreturn[2];
- switch (insn >> 8)
- {
- case 0xa8: /* MVCLE */
- *len = 4;
- return 1;
+ if (target_read_memory (pc, sigreturn, 2))
+ return 0;
- case 0xeb:
- {
- insn = read_memory_integer (loc + 4, 2, byte_order);
- if ((insn & 0xff) == 0x8e)
- {
- /* MVCLU */
- *len = 6;
- return 1;
- }
- }
- break;
- }
+ if (sigreturn[0] != op_svc)
+ return 0;
- switch (insn)
- {
- case 0xb255: /* MVST */
- case 0xb263: /* CMPSC */
- case 0xb2a5: /* TRE */
- case 0xb2a6: /* CU21 */
- case 0xb2a7: /* CU12 */
- case 0xb9b0: /* CU14 */
- case 0xb9b1: /* CU24 */
- case 0xb9b2: /* CU41 */
- case 0xb9b3: /* CU42 */
- case 0xb92a: /* KMF */
- case 0xb92b: /* KMO */
- case 0xb92f: /* KMC */
- case 0xb92d: /* KMCTR */
- case 0xb92e: /* KM */
- case 0xb93c: /* PPNO */
- case 0xb990: /* TRTT */
- case 0xb991: /* TRTO */
- case 0xb992: /* TROT */
- case 0xb993: /* TROO */
- *len = 4;
- return 1;
- }
+ if (sigreturn[1] != 119 /* sigreturn */
+ && sigreturn[1] != 173 /* rt_sigreturn */)
+ return 0;
- return 0;
+ return 1;
}
-/* Implement the "software_single_step" gdbarch method, needed to single step
- through instructions like MVCLE in record mode, to make sure they are
- executed to completion. Without that, record will save the full length
- of destination buffer on every iteration, even though the CPU will only
- process about 4kiB of it each time, leading to O(n**2) memory and time
- complexity. */
+/* S390 sigtramp frame unwinder. */
+
+static const struct frame_unwind s390_sigtramp_frame_unwind = {
+ SIGTRAMP_FRAME,
+ default_frame_unwind_stop_reason,
+ s390_sigtramp_frame_this_id,
+ s390_sigtramp_frame_prev_register,
+ NULL,
+ s390_sigtramp_frame_sniffer
+};
+
+/* Syscall handling. */
+
+/* Retrieve the syscall number at a ptrace syscall-stop. Return -1
+ upon error. */
-static std::vector<CORE_ADDR>
-s390_software_single_step (struct regcache *regcache)
+static LONGEST
+s390_linux_get_syscall_number (struct gdbarch *gdbarch,
+ thread_info *thread)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
- CORE_ADDR loc = regcache_read_pc (regcache);
+ struct regcache *regs = get_thread_regcache (thread);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- int len;
- uint16_t insn;
-
- /* Special handling only if recording. */
- if (!record_full_is_used ())
- return {};
+ ULONGEST pc;
+ ULONGEST svc_number = -1;
+ unsigned opcode;
- /* First, match a partial instruction. */
- if (!s390_is_partial_instruction (gdbarch, loc, &len))
- return {};
+ /* Assume that the PC points after the 2-byte SVC instruction. We
+ don't currently support SVC via EXECUTE. */
+ regcache_cooked_read_unsigned (regs, tdep->pc_regnum, &pc);
+ pc -= 2;
+ opcode = read_memory_unsigned_integer ((CORE_ADDR) pc, 1, byte_order);
+ if (opcode != op_svc)
+ return -1;
- loc += len;
+ svc_number = read_memory_unsigned_integer ((CORE_ADDR) pc + 1, 1,
+ byte_order);
+ if (svc_number == 0)
+ regcache_cooked_read_unsigned (regs, S390_R1_REGNUM, &svc_number);
- /* Second, look for a branch back to it. */
- insn = read_memory_integer (loc, 2, byte_order);
- if (insn != 0xa714) /* BRC with mask 1 */
- return {};
+ return svc_number;
+}
- insn = read_memory_integer (loc + 2, 2, byte_order);
- if (insn != (uint16_t) -(len / 2))
- return {};
+/* Process record-replay */
- loc += 4;
+static struct linux_record_tdep s390_linux_record_tdep;
+static struct linux_record_tdep s390x_linux_record_tdep;
- /* Found it, step past the whole thing. */
- return {loc};
-}
+/* Record all registers but PC register for process-record. */
static int
-s390_displaced_step_hw_singlestep (struct gdbarch *gdbarch,
- struct displaced_step_closure *closure)
+s390_all_but_pc_registers_record (struct regcache *regcache)
{
- return 1;
-}
-
-
-/* Maps for register sets. */
+ struct gdbarch *gdbarch = regcache->arch ();
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ int i;
-static const struct regcache_map_entry s390_gregmap[] =
- {
- { 1, S390_PSWM_REGNUM },
- { 1, S390_PSWA_REGNUM },
- { 16, S390_R0_REGNUM },
- { 16, S390_A0_REGNUM },
- { 1, S390_ORIG_R2_REGNUM },
- { 0 }
- };
-
-static const struct regcache_map_entry s390_fpregmap[] =
- {
- { 1, S390_FPC_REGNUM, 8 },
- { 16, S390_F0_REGNUM, 8 },
- { 0 }
- };
-
-static const struct regcache_map_entry s390_regmap_upper[] =
- {
- { 16, S390_R0_UPPER_REGNUM, 4 },
- { 0 }
- };
-
-static const struct regcache_map_entry s390_regmap_last_break[] =
- {
- { 1, REGCACHE_MAP_SKIP, 4 },
- { 1, S390_LAST_BREAK_REGNUM, 4 },
- { 0 }
- };
-
-static const struct regcache_map_entry s390x_regmap_last_break[] =
- {
- { 1, S390_LAST_BREAK_REGNUM, 8 },
- { 0 }
- };
-
-static const struct regcache_map_entry s390_regmap_system_call[] =
- {
- { 1, S390_SYSTEM_CALL_REGNUM, 4 },
- { 0 }
- };
-
-static const struct regcache_map_entry s390_regmap_tdb[] =
- {
- { 1, S390_TDB_DWORD0_REGNUM, 8 },
- { 1, S390_TDB_ABORT_CODE_REGNUM, 8 },
- { 1, S390_TDB_CONFLICT_TOKEN_REGNUM, 8 },
- { 1, S390_TDB_ATIA_REGNUM, 8 },
- { 12, REGCACHE_MAP_SKIP, 8 },
- { 16, S390_TDB_R0_REGNUM, 8 },
- { 0 }
- };
-
-static const struct regcache_map_entry s390_regmap_vxrs_low[] =
- {
- { 16, S390_V0_LOWER_REGNUM, 8 },
- { 0 }
- };
-
-static const struct regcache_map_entry s390_regmap_vxrs_high[] =
- {
- { 16, S390_V16_REGNUM, 16 },
- { 0 }
- };
-
-
-/* Supply the TDB regset. Like regcache_supply_regset, but invalidate
- the TDB registers unless the TDB format field is valid. */
-
-static void
-s390_supply_tdb_regset (const struct regset *regset, struct regcache *regcache,
- int regnum, const void *regs, size_t len)
-{
- ULONGEST tdw;
- enum register_status ret;
-
- regcache_supply_regset (regset, regcache, regnum, regs, len);
- ret = regcache_cooked_read_unsigned (regcache, S390_TDB_DWORD0_REGNUM, &tdw);
- if (ret != REG_VALID || (tdw >> 56) != 1)
- regcache_supply_regset (regset, regcache, regnum, NULL, len);
-}
-
-const struct regset s390_gregset = {
- s390_gregmap,
- regcache_supply_regset,
- regcache_collect_regset
-};
-
-const struct regset s390_fpregset = {
- s390_fpregmap,
- regcache_supply_regset,
- regcache_collect_regset
-};
-
-static const struct regset s390_upper_regset = {
- s390_regmap_upper,
- regcache_supply_regset,
- regcache_collect_regset
-};
-
-const struct regset s390_last_break_regset = {
- s390_regmap_last_break,
- regcache_supply_regset,
- regcache_collect_regset
-};
-
-const struct regset s390x_last_break_regset = {
- s390x_regmap_last_break,
- regcache_supply_regset,
- regcache_collect_regset
-};
-
-const struct regset s390_system_call_regset = {
- s390_regmap_system_call,
- regcache_supply_regset,
- regcache_collect_regset
-};
-
-const struct regset s390_tdb_regset = {
- s390_regmap_tdb,
- s390_supply_tdb_regset,
- regcache_collect_regset
-};
-
-const struct regset s390_vxrs_low_regset = {
- s390_regmap_vxrs_low,
- regcache_supply_regset,
- regcache_collect_regset
-};
-
-const struct regset s390_vxrs_high_regset = {
- s390_regmap_vxrs_high,
- regcache_supply_regset,
- regcache_collect_regset
-};
-
-/* Iterate over supported core file register note sections. */
-
-static void
-s390_iterate_over_regset_sections (struct gdbarch *gdbarch,
- iterate_over_regset_sections_cb *cb,
- void *cb_data,
- const struct regcache *regcache)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- const int gregset_size = (tdep->abi == ABI_LINUX_S390 ?
- s390_sizeof_gregset : s390x_sizeof_gregset);
-
- cb (".reg", gregset_size, &s390_gregset, NULL, cb_data);
- cb (".reg2", s390_sizeof_fpregset, &s390_fpregset, NULL, cb_data);
-
- if (tdep->abi == ABI_LINUX_S390 && tdep->gpr_full_regnum != -1)
- cb (".reg-s390-high-gprs", 16 * 4, &s390_upper_regset,
- "s390 GPR upper halves", cb_data);
-
- if (tdep->have_linux_v1)
- cb (".reg-s390-last-break", 8,
- (gdbarch_ptr_bit (gdbarch) == 32
- ? &s390_last_break_regset : &s390x_last_break_regset),
- "s390 last-break address", cb_data);
-
- if (tdep->have_linux_v2)
- cb (".reg-s390-system-call", 4, &s390_system_call_regset,
- "s390 system-call", cb_data);
-
- /* If regcache is set, we are in "write" (gcore) mode. In this
- case, don't iterate over the TDB unless its registers are
- available. */
- if (tdep->have_tdb
- && (regcache == NULL
- || REG_VALID == regcache_register_status (regcache,
- S390_TDB_DWORD0_REGNUM)))
- cb (".reg-s390-tdb", s390_sizeof_tdbregset, &s390_tdb_regset,
- "s390 TDB", cb_data);
-
- if (tdep->v0_full_regnum != -1)
- {
- cb (".reg-s390-vxrs-low", 16 * 8, &s390_vxrs_low_regset,
- "s390 vector registers 0-15 lower half", cb_data);
- cb (".reg-s390-vxrs-high", 16 * 16, &s390_vxrs_high_regset,
- "s390 vector registers 16-31", cb_data);
- }
-}
-
-static const struct target_desc *
-s390_core_read_description (struct gdbarch *gdbarch,
- struct target_ops *target, bfd *abfd)
-{
- asection *section = bfd_get_section_by_name (abfd, ".reg");
- CORE_ADDR hwcap = 0;
- int high_gprs, v1, v2, te, vx;
-
- target_auxv_search (target, AT_HWCAP, &hwcap);
- if (!section)
- return NULL;
-
- high_gprs = (bfd_get_section_by_name (abfd, ".reg-s390-high-gprs")
- != NULL);
- v1 = (bfd_get_section_by_name (abfd, ".reg-s390-last-break") != NULL);
- v2 = (bfd_get_section_by_name (abfd, ".reg-s390-system-call") != NULL);
- vx = (hwcap & HWCAP_S390_VX);
- te = (hwcap & HWCAP_S390_TE);
-
- switch (bfd_section_size (abfd, section))
+ for (i = 0; i < 16; i++)
{
- case s390_sizeof_gregset:
- if (high_gprs)
- return (te && vx ? tdesc_s390_tevx_linux64 :
- vx ? tdesc_s390_vx_linux64 :
- te ? tdesc_s390_te_linux64 :
- v2 ? tdesc_s390_linux64v2 :
- v1 ? tdesc_s390_linux64v1 : tdesc_s390_linux64);
- else
- return (v2 ? tdesc_s390_linux32v2 :
- v1 ? tdesc_s390_linux32v1 : tdesc_s390_linux32);
-
- case s390x_sizeof_gregset:
- return (te && vx ? tdesc_s390x_tevx_linux64 :
- vx ? tdesc_s390x_vx_linux64 :
- te ? tdesc_s390x_te_linux64 :
- v2 ? tdesc_s390x_linux64v2 :
- v1 ? tdesc_s390x_linux64v1 : tdesc_s390x_linux64);
-
- default:
- return NULL;
+ if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
+ return -1;
+ if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i))
+ return -1;
+ if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i))
+ return -1;
+ if (tdep->gpr_full_regnum != -1)
+ if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
+ return -1;
+ if (tdep->v0_full_regnum != -1)
+ {
+ if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i))
+ return -1;
+ if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i))
+ return -1;
+ }
}
-}
-
-
-/* Decoding S/390 instructions. */
-
-/* Named opcode values for the S/390 instructions we recognize. Some
- instructions have their opcode split across two fields; those are the
- op1_* and op2_* enums. */
-enum
- {
- op1_lhi = 0xa7, op2_lhi = 0x08,
- op1_lghi = 0xa7, op2_lghi = 0x09,
- op1_lgfi = 0xc0, op2_lgfi = 0x01,
- op_lr = 0x18,
- op_lgr = 0xb904,
- op_l = 0x58,
- op1_ly = 0xe3, op2_ly = 0x58,
- op1_lg = 0xe3, op2_lg = 0x04,
- op_lm = 0x98,
- op1_lmy = 0xeb, op2_lmy = 0x98,
- op1_lmg = 0xeb, op2_lmg = 0x04,
- op_st = 0x50,
- op1_sty = 0xe3, op2_sty = 0x50,
- op1_stg = 0xe3, op2_stg = 0x24,
- op_std = 0x60,
- op_stm = 0x90,
- op1_stmy = 0xeb, op2_stmy = 0x90,
- op1_stmg = 0xeb, op2_stmg = 0x24,
- op1_aghi = 0xa7, op2_aghi = 0x0b,
- op1_ahi = 0xa7, op2_ahi = 0x0a,
- op1_agfi = 0xc2, op2_agfi = 0x08,
- op1_afi = 0xc2, op2_afi = 0x09,
- op1_algfi= 0xc2, op2_algfi= 0x0a,
- op1_alfi = 0xc2, op2_alfi = 0x0b,
- op_ar = 0x1a,
- op_agr = 0xb908,
- op_a = 0x5a,
- op1_ay = 0xe3, op2_ay = 0x5a,
- op1_ag = 0xe3, op2_ag = 0x08,
- op1_slgfi= 0xc2, op2_slgfi= 0x04,
- op1_slfi = 0xc2, op2_slfi = 0x05,
- op_sr = 0x1b,
- op_sgr = 0xb909,
- op_s = 0x5b,
- op1_sy = 0xe3, op2_sy = 0x5b,
- op1_sg = 0xe3, op2_sg = 0x09,
- op_nr = 0x14,
- op_ngr = 0xb980,
- op_la = 0x41,
- op1_lay = 0xe3, op2_lay = 0x71,
- op1_larl = 0xc0, op2_larl = 0x00,
- op_basr = 0x0d,
- op_bas = 0x4d,
- op_bcr = 0x07,
- op_bc = 0x0d,
- op_bctr = 0x06,
- op_bctgr = 0xb946,
- op_bct = 0x46,
- op1_bctg = 0xe3, op2_bctg = 0x46,
- op_bxh = 0x86,
- op1_bxhg = 0xeb, op2_bxhg = 0x44,
- op_bxle = 0x87,
- op1_bxleg= 0xeb, op2_bxleg= 0x45,
- op1_bras = 0xa7, op2_bras = 0x05,
- op1_brasl= 0xc0, op2_brasl= 0x05,
- op1_brc = 0xa7, op2_brc = 0x04,
- op1_brcl = 0xc0, op2_brcl = 0x04,
- op1_brct = 0xa7, op2_brct = 0x06,
- op1_brctg= 0xa7, op2_brctg= 0x07,
- op_brxh = 0x84,
- op1_brxhg= 0xec, op2_brxhg= 0x44,
- op_brxle = 0x85,
- op1_brxlg= 0xec, op2_brxlg= 0x45,
- op_svc = 0x0a,
- };
-
-
-/* Read a single instruction from address AT. */
-
-#define S390_MAX_INSTR_SIZE 6
-static int
-s390_readinstruction (bfd_byte instr[], CORE_ADDR at)
-{
- static int s390_instrlen[] = { 2, 4, 4, 6 };
- int instrlen;
-
- if (target_read_memory (at, &instr[0], 2))
+ if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
+ return -1;
+ if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
return -1;
- instrlen = s390_instrlen[instr[0] >> 6];
- if (instrlen > 2)
- {
- if (target_read_memory (at + 2, &instr[2], instrlen - 2))
- return -1;
- }
- return instrlen;
-}
+ return 0;
+}
-/* The functions below are for recognizing and decoding S/390
- instructions of various formats. Each of them checks whether INSN
- is an instruction of the given format, with the specified opcodes.
- If it is, it sets the remaining arguments to the values of the
- instruction's fields, and returns a non-zero value; otherwise, it
- returns zero.
+/* Canonicalize system call SYSCALL belonging to ABI. Helper for
+ s390_linux_syscall_record. */
- These functions' arguments appear in the order they appear in the
- instruction, not in the machine-language form. So, opcodes always
- come first, even though they're sometimes scattered around the
- instructions. And displacements appear before base and extension
- registers, as they do in the assembly syntax, not at the end, as
- they do in the machine language. */
-static int
-is_ri (bfd_byte *insn, int op1, int op2, unsigned int *r1, int *i2)
+static enum gdb_syscall
+s390_canonicalize_syscall (int syscall, enum s390_abi_kind abi)
{
- if (insn[0] == op1 && (insn[1] & 0xf) == op2)
+ switch (syscall)
{
- *r1 = (insn[1] >> 4) & 0xf;
- /* i2 is a 16-bit signed quantity. */
- *i2 = (((insn[2] << 8) | insn[3]) ^ 0x8000) - 0x8000;
- return 1;
- }
- else
- return 0;
-}
-
-
-static int
-is_ril (bfd_byte *insn, int op1, int op2,
- unsigned int *r1, int *i2)
-{
- if (insn[0] == op1 && (insn[1] & 0xf) == op2)
- {
- *r1 = (insn[1] >> 4) & 0xf;
- /* i2 is a signed quantity. If the host 'int' is 32 bits long,
- no sign extension is necessary, but we don't want to assume
- that. */
- *i2 = (((insn[2] << 24)
- | (insn[3] << 16)
- | (insn[4] << 8)
- | (insn[5])) ^ 0x80000000) - 0x80000000;
- return 1;
- }
- else
- return 0;
-}
-
-
-static int
-is_rr (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2)
-{
- if (insn[0] == op)
- {
- *r1 = (insn[1] >> 4) & 0xf;
- *r2 = insn[1] & 0xf;
- return 1;
- }
- else
- return 0;
-}
-
-
-static int
-is_rre (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2)
-{
- if (((insn[0] << 8) | insn[1]) == op)
- {
- /* Yes, insn[3]. insn[2] is unused in RRE format. */
- *r1 = (insn[3] >> 4) & 0xf;
- *r2 = insn[3] & 0xf;
- return 1;
- }
- else
- return 0;
-}
-
-
-static int
-is_rs (bfd_byte *insn, int op,
- unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2)
-{
- if (insn[0] == op)
- {
- *r1 = (insn[1] >> 4) & 0xf;
- *r3 = insn[1] & 0xf;
- *b2 = (insn[2] >> 4) & 0xf;
- *d2 = ((insn[2] & 0xf) << 8) | insn[3];
- return 1;
- }
- else
- return 0;
-}
-
-
-static int
-is_rsy (bfd_byte *insn, int op1, int op2,
- unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2)
-{
- if (insn[0] == op1
- && insn[5] == op2)
- {
- *r1 = (insn[1] >> 4) & 0xf;
- *r3 = insn[1] & 0xf;
- *b2 = (insn[2] >> 4) & 0xf;
- /* The 'long displacement' is a 20-bit signed integer. */
- *d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12))
- ^ 0x80000) - 0x80000;
- return 1;
- }
- else
- return 0;
-}
-
-
-static int
-is_rx (bfd_byte *insn, int op,
- unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2)
-{
- if (insn[0] == op)
- {
- *r1 = (insn[1] >> 4) & 0xf;
- *x2 = insn[1] & 0xf;
- *b2 = (insn[2] >> 4) & 0xf;
- *d2 = ((insn[2] & 0xf) << 8) | insn[3];
- return 1;
- }
- else
- return 0;
-}
-
-
-static int
-is_rxy (bfd_byte *insn, int op1, int op2,
- unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2)
-{
- if (insn[0] == op1
- && insn[5] == op2)
- {
- *r1 = (insn[1] >> 4) & 0xf;
- *x2 = insn[1] & 0xf;
- *b2 = (insn[2] >> 4) & 0xf;
- /* The 'long displacement' is a 20-bit signed integer. */
- *d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12))
- ^ 0x80000) - 0x80000;
- return 1;
- }
- else
- return 0;
-}
-
-
-/* Prologue analysis. */
-
-#define S390_NUM_GPRS 16
-#define S390_NUM_FPRS 16
-
-struct s390_prologue_data {
-
- /* The stack. */
- struct pv_area *stack;
-
- /* The size and byte-order of a GPR or FPR. */
- int gpr_size;
- int fpr_size;
- enum bfd_endian byte_order;
-
- /* The general-purpose registers. */
- pv_t gpr[S390_NUM_GPRS];
-
- /* The floating-point registers. */
- pv_t fpr[S390_NUM_FPRS];
-
- /* The offset relative to the CFA where the incoming GPR N was saved
- by the function prologue. 0 if not saved or unknown. */
- int gpr_slot[S390_NUM_GPRS];
-
- /* Likewise for FPRs. */
- int fpr_slot[S390_NUM_FPRS];
-
- /* Nonzero if the backchain was saved. This is assumed to be the
- case when the incoming SP is saved at the current SP location. */
- int back_chain_saved_p;
-};
-
-/* Return the effective address for an X-style instruction, like:
-
- L R1, D2(X2, B2)
-
- Here, X2 and B2 are registers, and D2 is a signed 20-bit
- constant; the effective address is the sum of all three. If either
- X2 or B2 are zero, then it doesn't contribute to the sum --- this
- means that r0 can't be used as either X2 or B2. */
-static pv_t
-s390_addr (struct s390_prologue_data *data,
- int d2, unsigned int x2, unsigned int b2)
-{
- pv_t result;
-
- result = pv_constant (d2);
- if (x2)
- result = pv_add (result, data->gpr[x2]);
- if (b2)
- result = pv_add (result, data->gpr[b2]);
-
- return result;
-}
-
-/* Do a SIZE-byte store of VALUE to D2(X2,B2). */
-static void
-s390_store (struct s390_prologue_data *data,
- int d2, unsigned int x2, unsigned int b2, CORE_ADDR size,
- pv_t value)
-{
- pv_t addr = s390_addr (data, d2, x2, b2);
- pv_t offset;
-
- /* Check whether we are storing the backchain. */
- offset = pv_subtract (data->gpr[S390_SP_REGNUM - S390_R0_REGNUM], addr);
-
- if (pv_is_constant (offset) && offset.k == 0)
- if (size == data->gpr_size
- && pv_is_register_k (value, S390_SP_REGNUM, 0))
- {
- data->back_chain_saved_p = 1;
- return;
- }
-
-
- /* Check whether we are storing a register into the stack. */
- if (!pv_area_store_would_trash (data->stack, addr))
- pv_area_store (data->stack, addr, size, value);
-
-
- /* Note: If this is some store we cannot identify, you might think we
- should forget our cached values, as any of those might have been hit.
-
- However, we make the assumption that the register save areas are only
- ever stored to once in any given function, and we do recognize these
- stores. Thus every store we cannot recognize does not hit our data. */
-}
-
-/* Do a SIZE-byte load from D2(X2,B2). */
-static pv_t
-s390_load (struct s390_prologue_data *data,
- int d2, unsigned int x2, unsigned int b2, CORE_ADDR size)
-
-{
- pv_t addr = s390_addr (data, d2, x2, b2);
-
- /* If it's a load from an in-line constant pool, then we can
- simulate that, under the assumption that the code isn't
- going to change between the time the processor actually
- executed it creating the current frame, and the time when
- we're analyzing the code to unwind past that frame. */
- if (pv_is_constant (addr))
- {
- struct target_section *secp;
- secp = target_section_by_addr (¤t_target, addr.k);
- if (secp != NULL
- && (bfd_get_section_flags (secp->the_bfd_section->owner,
- secp->the_bfd_section)
- & SEC_READONLY))
- return pv_constant (read_memory_integer (addr.k, size,
- data->byte_order));
- }
-
- /* Check whether we are accessing one of our save slots. */
- return pv_area_fetch (data->stack, addr, size);
-}
-
-/* Function for finding saved registers in a 'struct pv_area'; we pass
- this to pv_area_scan.
-
- If VALUE is a saved register, ADDR says it was saved at a constant
- offset from the frame base, and SIZE indicates that the whole
- register was saved, record its offset in the reg_offset table in
- PROLOGUE_UNTYPED. */
-static void
-s390_check_for_saved (void *data_untyped, pv_t addr,
- CORE_ADDR size, pv_t value)
-{
- struct s390_prologue_data *data = (struct s390_prologue_data *) data_untyped;
- int i, offset;
-
- if (!pv_is_register (addr, S390_SP_REGNUM))
- return;
-
- offset = 16 * data->gpr_size + 32 - addr.k;
-
- /* If we are storing the original value of a register, we want to
- record the CFA offset. If the same register is stored multiple
- times, the stack slot with the highest address counts. */
-
- for (i = 0; i < S390_NUM_GPRS; i++)
- if (size == data->gpr_size
- && pv_is_register_k (value, S390_R0_REGNUM + i, 0))
- if (data->gpr_slot[i] == 0
- || data->gpr_slot[i] > offset)
- {
- data->gpr_slot[i] = offset;
- return;
- }
-
- for (i = 0; i < S390_NUM_FPRS; i++)
- if (size == data->fpr_size
- && pv_is_register_k (value, S390_F0_REGNUM + i, 0))
- if (data->fpr_slot[i] == 0
- || data->fpr_slot[i] > offset)
- {
- data->fpr_slot[i] = offset;
- return;
- }
-}
-
-/* Analyze the prologue of the function starting at START_PC,
- continuing at most until CURRENT_PC. Initialize DATA to
- hold all information we find out about the state of the registers
- and stack slots. Return the address of the instruction after
- the last one that changed the SP, FP, or back chain; or zero
- on error. */
-static CORE_ADDR
-s390_analyze_prologue (struct gdbarch *gdbarch,
- CORE_ADDR start_pc,
- CORE_ADDR current_pc,
- struct s390_prologue_data *data)
-{
- int word_size = gdbarch_ptr_bit (gdbarch) / 8;
-
- /* Our return value:
- The address of the instruction after the last one that changed
- the SP, FP, or back chain; zero if we got an error trying to
- read memory. */
- CORE_ADDR result = start_pc;
-
- /* The current PC for our abstract interpretation. */
- CORE_ADDR pc;
-
- /* The address of the next instruction after that. */
- CORE_ADDR next_pc;
-
- /* Set up everything's initial value. */
- {
- int i;
-
- data->stack = make_pv_area (S390_SP_REGNUM, gdbarch_addr_bit (gdbarch));
-
- /* For the purpose of prologue tracking, we consider the GPR size to
- be equal to the ABI word size, even if it is actually larger
- (i.e. when running a 32-bit binary under a 64-bit kernel). */
- data->gpr_size = word_size;
- data->fpr_size = 8;
- data->byte_order = gdbarch_byte_order (gdbarch);
-
- for (i = 0; i < S390_NUM_GPRS; i++)
- data->gpr[i] = pv_register (S390_R0_REGNUM + i, 0);
-
- for (i = 0; i < S390_NUM_FPRS; i++)
- data->fpr[i] = pv_register (S390_F0_REGNUM + i, 0);
-
- for (i = 0; i < S390_NUM_GPRS; i++)
- data->gpr_slot[i] = 0;
-
- for (i = 0; i < S390_NUM_FPRS; i++)
- data->fpr_slot[i] = 0;
-
- data->back_chain_saved_p = 0;
- }
-
- /* Start interpreting instructions, until we hit the frame's
- current PC or the first branch instruction. */
- for (pc = start_pc; pc > 0 && pc < current_pc; pc = next_pc)
- {
- bfd_byte insn[S390_MAX_INSTR_SIZE];
- int insn_len = s390_readinstruction (insn, pc);
-
- bfd_byte dummy[S390_MAX_INSTR_SIZE] = { 0 };
- bfd_byte *insn32 = word_size == 4 ? insn : dummy;
- bfd_byte *insn64 = word_size == 8 ? insn : dummy;
-
- /* Fields for various kinds of instructions. */
- unsigned int b2, r1, r2, x2, r3;
- int i2, d2;
-
- /* The values of SP and FP before this instruction,
- for detecting instructions that change them. */
- pv_t pre_insn_sp, pre_insn_fp;
- /* Likewise for the flag whether the back chain was saved. */
- int pre_insn_back_chain_saved_p;
-
- /* If we got an error trying to read the instruction, report it. */
- if (insn_len < 0)
- {
- result = 0;
- break;
- }
-
- next_pc = pc + insn_len;
-
- pre_insn_sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM];
- pre_insn_fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM];
- pre_insn_back_chain_saved_p = data->back_chain_saved_p;
-
-
- /* LHI r1, i2 --- load halfword immediate. */
- /* LGHI r1, i2 --- load halfword immediate (64-bit version). */
- /* LGFI r1, i2 --- load fullword immediate. */
- if (is_ri (insn32, op1_lhi, op2_lhi, &r1, &i2)
- || is_ri (insn64, op1_lghi, op2_lghi, &r1, &i2)
- || is_ril (insn, op1_lgfi, op2_lgfi, &r1, &i2))
- data->gpr[r1] = pv_constant (i2);
-
- /* LR r1, r2 --- load from register. */
- /* LGR r1, r2 --- load from register (64-bit version). */
- else if (is_rr (insn32, op_lr, &r1, &r2)
- || is_rre (insn64, op_lgr, &r1, &r2))
- data->gpr[r1] = data->gpr[r2];
-
- /* L r1, d2(x2, b2) --- load. */
- /* LY r1, d2(x2, b2) --- load (long-displacement version). */
- /* LG r1, d2(x2, b2) --- load (64-bit version). */
- else if (is_rx (insn32, op_l, &r1, &d2, &x2, &b2)
- || is_rxy (insn32, op1_ly, op2_ly, &r1, &d2, &x2, &b2)
- || is_rxy (insn64, op1_lg, op2_lg, &r1, &d2, &x2, &b2))
- data->gpr[r1] = s390_load (data, d2, x2, b2, data->gpr_size);
-
- /* ST r1, d2(x2, b2) --- store. */
- /* STY r1, d2(x2, b2) --- store (long-displacement version). */
- /* STG r1, d2(x2, b2) --- store (64-bit version). */
- else if (is_rx (insn32, op_st, &r1, &d2, &x2, &b2)
- || is_rxy (insn32, op1_sty, op2_sty, &r1, &d2, &x2, &b2)
- || is_rxy (insn64, op1_stg, op2_stg, &r1, &d2, &x2, &b2))
- s390_store (data, d2, x2, b2, data->gpr_size, data->gpr[r1]);
-
- /* STD r1, d2(x2,b2) --- store floating-point register. */
- else if (is_rx (insn, op_std, &r1, &d2, &x2, &b2))
- s390_store (data, d2, x2, b2, data->fpr_size, data->fpr[r1]);
-
- /* STM r1, r3, d2(b2) --- store multiple. */
- /* STMY r1, r3, d2(b2) --- store multiple (long-displacement
- version). */
- /* STMG r1, r3, d2(b2) --- store multiple (64-bit version). */
- else if (is_rs (insn32, op_stm, &r1, &r3, &d2, &b2)
- || is_rsy (insn32, op1_stmy, op2_stmy, &r1, &r3, &d2, &b2)
- || is_rsy (insn64, op1_stmg, op2_stmg, &r1, &r3, &d2, &b2))
- {
- for (; r1 <= r3; r1++, d2 += data->gpr_size)
- s390_store (data, d2, 0, b2, data->gpr_size, data->gpr[r1]);
- }
-
- /* AHI r1, i2 --- add halfword immediate. */
- /* AGHI r1, i2 --- add halfword immediate (64-bit version). */
- /* AFI r1, i2 --- add fullword immediate. */
- /* AGFI r1, i2 --- add fullword immediate (64-bit version). */
- else if (is_ri (insn32, op1_ahi, op2_ahi, &r1, &i2)
- || is_ri (insn64, op1_aghi, op2_aghi, &r1, &i2)
- || is_ril (insn32, op1_afi, op2_afi, &r1, &i2)
- || is_ril (insn64, op1_agfi, op2_agfi, &r1, &i2))
- data->gpr[r1] = pv_add_constant (data->gpr[r1], i2);
-
- /* ALFI r1, i2 --- add logical immediate. */
- /* ALGFI r1, i2 --- add logical immediate (64-bit version). */
- else if (is_ril (insn32, op1_alfi, op2_alfi, &r1, &i2)
- || is_ril (insn64, op1_algfi, op2_algfi, &r1, &i2))
- data->gpr[r1] = pv_add_constant (data->gpr[r1],
- (CORE_ADDR)i2 & 0xffffffff);
-
- /* AR r1, r2 -- add register. */
- /* AGR r1, r2 -- add register (64-bit version). */
- else if (is_rr (insn32, op_ar, &r1, &r2)
- || is_rre (insn64, op_agr, &r1, &r2))
- data->gpr[r1] = pv_add (data->gpr[r1], data->gpr[r2]);
-
- /* A r1, d2(x2, b2) -- add. */
- /* AY r1, d2(x2, b2) -- add (long-displacement version). */
- /* AG r1, d2(x2, b2) -- add (64-bit version). */
- else if (is_rx (insn32, op_a, &r1, &d2, &x2, &b2)
- || is_rxy (insn32, op1_ay, op2_ay, &r1, &d2, &x2, &b2)
- || is_rxy (insn64, op1_ag, op2_ag, &r1, &d2, &x2, &b2))
- data->gpr[r1] = pv_add (data->gpr[r1],
- s390_load (data, d2, x2, b2, data->gpr_size));
-
- /* SLFI r1, i2 --- subtract logical immediate. */
- /* SLGFI r1, i2 --- subtract logical immediate (64-bit version). */
- else if (is_ril (insn32, op1_slfi, op2_slfi, &r1, &i2)
- || is_ril (insn64, op1_slgfi, op2_slgfi, &r1, &i2))
- data->gpr[r1] = pv_add_constant (data->gpr[r1],
- -((CORE_ADDR)i2 & 0xffffffff));
-
- /* SR r1, r2 -- subtract register. */
- /* SGR r1, r2 -- subtract register (64-bit version). */
- else if (is_rr (insn32, op_sr, &r1, &r2)
- || is_rre (insn64, op_sgr, &r1, &r2))
- data->gpr[r1] = pv_subtract (data->gpr[r1], data->gpr[r2]);
-
- /* S r1, d2(x2, b2) -- subtract. */
- /* SY r1, d2(x2, b2) -- subtract (long-displacement version). */
- /* SG r1, d2(x2, b2) -- subtract (64-bit version). */
- else if (is_rx (insn32, op_s, &r1, &d2, &x2, &b2)
- || is_rxy (insn32, op1_sy, op2_sy, &r1, &d2, &x2, &b2)
- || is_rxy (insn64, op1_sg, op2_sg, &r1, &d2, &x2, &b2))
- data->gpr[r1] = pv_subtract (data->gpr[r1],
- s390_load (data, d2, x2, b2, data->gpr_size));
-
- /* LA r1, d2(x2, b2) --- load address. */
- /* LAY r1, d2(x2, b2) --- load address (long-displacement version). */
- else if (is_rx (insn, op_la, &r1, &d2, &x2, &b2)
- || is_rxy (insn, op1_lay, op2_lay, &r1, &d2, &x2, &b2))
- data->gpr[r1] = s390_addr (data, d2, x2, b2);
-
- /* LARL r1, i2 --- load address relative long. */
- else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2))
- data->gpr[r1] = pv_constant (pc + i2 * 2);
-
- /* BASR r1, 0 --- branch and save.
- Since r2 is zero, this saves the PC in r1, but doesn't branch. */
- else if (is_rr (insn, op_basr, &r1, &r2)
- && r2 == 0)
- data->gpr[r1] = pv_constant (next_pc);
-
- /* BRAS r1, i2 --- branch relative and save. */
- else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2))
- {
- data->gpr[r1] = pv_constant (next_pc);
- next_pc = pc + i2 * 2;
-
- /* We'd better not interpret any backward branches. We'll
- never terminate. */
- if (next_pc <= pc)
- break;
- }
-
- /* BRC/BRCL -- branch relative on condition. Ignore "branch
- never", branch to following instruction, and "conditional
- trap" (BRC +2). Otherwise terminate search. */
- else if (is_ri (insn, op1_brc, op2_brc, &r1, &i2))
- {
- if (r1 != 0 && i2 != 1 && i2 != 2)
- break;
- }
- else if (is_ril (insn, op1_brcl, op2_brcl, &r1, &i2))
- {
- if (r1 != 0 && i2 != 3)
- break;
- }
-
- /* Terminate search when hitting any other branch instruction. */
- else if (is_rr (insn, op_basr, &r1, &r2)
- || is_rx (insn, op_bas, &r1, &d2, &x2, &b2)
- || is_rr (insn, op_bcr, &r1, &r2)
- || is_rx (insn, op_bc, &r1, &d2, &x2, &b2)
- || is_ril (insn, op1_brasl, op2_brasl, &r2, &i2))
- break;
-
- else
- {
- /* An instruction we don't know how to simulate. The only
- safe thing to do would be to set every value we're tracking
- to 'unknown'. Instead, we'll be optimistic: we assume that
- we *can* interpret every instruction that the compiler uses
- to manipulate any of the data we're interested in here --
- then we can just ignore anything else. */
- }
-
- /* Record the address after the last instruction that changed
- the FP, SP, or backlink. Ignore instructions that changed
- them back to their original values --- those are probably
- restore instructions. (The back chain is never restored,
- just popped.) */
- {
- pv_t sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM];
- pv_t fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM];
-
- if ((! pv_is_identical (pre_insn_sp, sp)
- && ! pv_is_register_k (sp, S390_SP_REGNUM, 0)
- && sp.kind != pvk_unknown)
- || (! pv_is_identical (pre_insn_fp, fp)
- && ! pv_is_register_k (fp, S390_FRAME_REGNUM, 0)
- && fp.kind != pvk_unknown)
- || pre_insn_back_chain_saved_p != data->back_chain_saved_p)
- result = next_pc;
- }
- }
-
- /* Record where all the registers were saved. */
- pv_area_scan (data->stack, s390_check_for_saved, data);
-
- free_pv_area (data->stack);
- data->stack = NULL;
-
- return result;
-}
-
-/* Advance PC across any function entry prologue instructions to reach
- some "real" code. */
-static CORE_ADDR
-s390_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
-{
- struct s390_prologue_data data;
- CORE_ADDR skip_pc, func_addr;
-
- if (find_pc_partial_function (pc, NULL, &func_addr, NULL))
- {
- CORE_ADDR post_prologue_pc
- = skip_prologue_using_sal (gdbarch, func_addr);
- if (post_prologue_pc != 0)
- return std::max (pc, post_prologue_pc);
- }
-
- skip_pc = s390_analyze_prologue (gdbarch, pc, (CORE_ADDR)-1, &data);
- return skip_pc ? skip_pc : pc;
-}
-
-/* Implmement the stack_frame_destroyed_p gdbarch method. */
-static int
-s390_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc)
-{
- int word_size = gdbarch_ptr_bit (gdbarch) / 8;
-
- /* In frameless functions, there's not frame to destroy and thus
- we don't care about the epilogue.
-
- In functions with frame, the epilogue sequence is a pair of
- a LM-type instruction that restores (amongst others) the
- return register %r14 and the stack pointer %r15, followed
- by a branch 'br %r14' --or equivalent-- that effects the
- actual return.
-
- In that situation, this function needs to return 'true' in
- exactly one case: when pc points to that branch instruction.
-
- Thus we try to disassemble the one instructions immediately
- preceding pc and check whether it is an LM-type instruction
- modifying the stack pointer.
-
- Note that disassembling backwards is not reliable, so there
- is a slight chance of false positives here ... */
-
- bfd_byte insn[6];
- unsigned int r1, r3, b2;
- int d2;
-
- if (word_size == 4
- && !target_read_memory (pc - 4, insn, 4)
- && is_rs (insn, op_lm, &r1, &r3, &d2, &b2)
- && r3 == S390_SP_REGNUM - S390_R0_REGNUM)
- return 1;
-
- if (word_size == 4
- && !target_read_memory (pc - 6, insn, 6)
- && is_rsy (insn, op1_lmy, op2_lmy, &r1, &r3, &d2, &b2)
- && r3 == S390_SP_REGNUM - S390_R0_REGNUM)
- return 1;
-
- if (word_size == 8
- && !target_read_memory (pc - 6, insn, 6)
- && is_rsy (insn, op1_lmg, op2_lmg, &r1, &r3, &d2, &b2)
- && r3 == S390_SP_REGNUM - S390_R0_REGNUM)
- return 1;
-
- return 0;
-}
-
-/* Displaced stepping. */
-
-/* Return true if INSN is a non-branch RIL-b or RIL-c format
- instruction. */
-
-static int
-is_non_branch_ril (gdb_byte *insn)
-{
- gdb_byte op1 = insn[0];
-
- if (op1 == 0xc4)
- {
- gdb_byte op2 = insn[1] & 0x0f;
-
- switch (op2)
- {
- case 0x02: /* llhrl */
- case 0x04: /* lghrl */
- case 0x05: /* lhrl */
- case 0x06: /* llghrl */
- case 0x07: /* sthrl */
- case 0x08: /* lgrl */
- case 0x0b: /* stgrl */
- case 0x0c: /* lgfrl */
- case 0x0d: /* lrl */
- case 0x0e: /* llgfrl */
- case 0x0f: /* strl */
- return 1;
- }
- }
- else if (op1 == 0xc6)
- {
- gdb_byte op2 = insn[1] & 0x0f;
-
- switch (op2)
- {
- case 0x00: /* exrl */
- case 0x02: /* pfdrl */
- case 0x04: /* cghrl */
- case 0x05: /* chrl */
- case 0x06: /* clghrl */
- case 0x07: /* clhrl */
- case 0x08: /* cgrl */
- case 0x0a: /* clgrl */
- case 0x0c: /* cgfrl */
- case 0x0d: /* crl */
- case 0x0e: /* clgfrl */
- case 0x0f: /* clrl */
- return 1;
- }
- }
-
- return 0;
-}
-
-/* Implementation of gdbarch_displaced_step_copy_insn. */
-
-static struct displaced_step_closure *
-s390_displaced_step_copy_insn (struct gdbarch *gdbarch,
- CORE_ADDR from, CORE_ADDR to,
- struct regcache *regs)
-{
- size_t len = gdbarch_max_insn_length (gdbarch);
- gdb_byte *buf = (gdb_byte *) xmalloc (len);
- struct cleanup *old_chain = make_cleanup (xfree, buf);
-
- read_memory (from, buf, len);
-
- /* Adjust the displacement field of PC-relative RIL instructions,
- except branches. The latter are handled in the fixup hook. */
- if (is_non_branch_ril (buf))
- {
- LONGEST offset;
-
- offset = extract_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG);
- offset = (from - to + offset * 2) / 2;
-
- /* If the instruction is too far from the jump pad, punt. This
- will usually happen with instructions in shared libraries.
- We could probably support these by rewriting them to be
- absolute or fully emulating them. */
- if (offset < INT32_MIN || offset > INT32_MAX)
- {
- /* Let the core fall back to stepping over the breakpoint
- in-line. */
- if (debug_displaced)
- {
- fprintf_unfiltered (gdb_stdlog,
- "displaced: can't displaced step "
- "RIL instruction: offset %s out of range\n",
- plongest (offset));
- }
- do_cleanups (old_chain);
- return NULL;
- }
-
- store_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG, offset);
- }
-
- write_memory (to, buf, len);
-
- if (debug_displaced)
- {
- fprintf_unfiltered (gdb_stdlog, "displaced: copy %s->%s: ",
- paddress (gdbarch, from), paddress (gdbarch, to));
- displaced_step_dump_bytes (gdb_stdlog, buf, len);
- }
-
- discard_cleanups (old_chain);
- return (struct displaced_step_closure *) buf;
-}
-
-/* Fix up the state of registers and memory after having single-stepped
- a displaced instruction. */
-static void
-s390_displaced_step_fixup (struct gdbarch *gdbarch,
- struct displaced_step_closure *closure,
- CORE_ADDR from, CORE_ADDR to,
- struct regcache *regs)
-{
- /* Our closure is a copy of the instruction. */
- gdb_byte *insn = (gdb_byte *) closure;
- static int s390_instrlen[] = { 2, 4, 4, 6 };
- int insnlen = s390_instrlen[insn[0] >> 6];
-
- /* Fields for various kinds of instructions. */
- unsigned int b2, r1, r2, x2, r3;
- int i2, d2;
-
- /* Get current PC and addressing mode bit. */
- CORE_ADDR pc = regcache_read_pc (regs);
- ULONGEST amode = 0;
-
- if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
- {
- regcache_cooked_read_unsigned (regs, S390_PSWA_REGNUM, &amode);
- amode &= 0x80000000;
- }
-
- if (debug_displaced)
- fprintf_unfiltered (gdb_stdlog,
- "displaced: (s390) fixup (%s, %s) pc %s len %d amode 0x%x\n",
- paddress (gdbarch, from), paddress (gdbarch, to),
- paddress (gdbarch, pc), insnlen, (int) amode);
-
- /* Handle absolute branch and save instructions. */
- if (is_rr (insn, op_basr, &r1, &r2)
- || is_rx (insn, op_bas, &r1, &d2, &x2, &b2))
- {
- /* Recompute saved return address in R1. */
- regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1,
- amode | (from + insnlen));
- }
-
- /* Handle absolute branch instructions. */
- else if (is_rr (insn, op_bcr, &r1, &r2)
- || is_rx (insn, op_bc, &r1, &d2, &x2, &b2)
- || is_rr (insn, op_bctr, &r1, &r2)
- || is_rre (insn, op_bctgr, &r1, &r2)
- || is_rx (insn, op_bct, &r1, &d2, &x2, &b2)
- || is_rxy (insn, op1_bctg, op2_brctg, &r1, &d2, &x2, &b2)
- || is_rs (insn, op_bxh, &r1, &r3, &d2, &b2)
- || is_rsy (insn, op1_bxhg, op2_bxhg, &r1, &r3, &d2, &b2)
- || is_rs (insn, op_bxle, &r1, &r3, &d2, &b2)
- || is_rsy (insn, op1_bxleg, op2_bxleg, &r1, &r3, &d2, &b2))
- {
- /* Update PC iff branch was *not* taken. */
- if (pc == to + insnlen)
- regcache_write_pc (regs, from + insnlen);
- }
-
- /* Handle PC-relative branch and save instructions. */
- else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2)
- || is_ril (insn, op1_brasl, op2_brasl, &r1, &i2))
- {
- /* Update PC. */
- regcache_write_pc (regs, pc - to + from);
- /* Recompute saved return address in R1. */
- regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1,
- amode | (from + insnlen));
- }
-
- /* Handle LOAD ADDRESS RELATIVE LONG. */
- else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2))
- {
- /* Update PC. */
- regcache_write_pc (regs, from + insnlen);
- /* Recompute output address in R1. */
- regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1,
- amode | (from + i2 * 2));
- }
-
- /* If we executed a breakpoint instruction, point PC right back at it. */
- else if (insn[0] == 0x0 && insn[1] == 0x1)
- regcache_write_pc (regs, from);
-
- /* For any other insn, adjust PC by negated displacement. PC then
- points right after the original instruction, except for PC-relative
- branches, where it points to the adjusted branch target. */
- else
- regcache_write_pc (regs, pc - to + from);
-
- if (debug_displaced)
- fprintf_unfiltered (gdb_stdlog,
- "displaced: (s390) pc is now %s\n",
- paddress (gdbarch, regcache_read_pc (regs)));
-}
-
-
-/* Helper routine to unwind pseudo registers. */
-
-static struct value *
-s390_unwind_pseudo_register (struct frame_info *this_frame, int regnum)
-{
- struct gdbarch *gdbarch = get_frame_arch (this_frame);
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- struct type *type = register_type (gdbarch, regnum);
-
- /* Unwind PC via PSW address. */
- if (regnum == tdep->pc_regnum)
- {
- struct value *val;
-
- val = frame_unwind_register_value (this_frame, S390_PSWA_REGNUM);
- if (!value_optimized_out (val))
- {
- LONGEST pswa = value_as_long (val);
-
- if (TYPE_LENGTH (type) == 4)
- return value_from_pointer (type, pswa & 0x7fffffff);
- else
- return value_from_pointer (type, pswa);
- }
- }
-
- /* Unwind CC via PSW mask. */
- if (regnum == tdep->cc_regnum)
- {
- struct value *val;
-
- val = frame_unwind_register_value (this_frame, S390_PSWM_REGNUM);
- if (!value_optimized_out (val))
- {
- LONGEST pswm = value_as_long (val);
-
- if (TYPE_LENGTH (type) == 4)
- return value_from_longest (type, (pswm >> 12) & 3);
- else
- return value_from_longest (type, (pswm >> 44) & 3);
- }
- }
-
- /* Unwind full GPRs to show at least the lower halves (as the
- upper halves are undefined). */
- if (regnum_is_gpr_full (tdep, regnum))
- {
- int reg = regnum - tdep->gpr_full_regnum;
- struct value *val;
-
- val = frame_unwind_register_value (this_frame, S390_R0_REGNUM + reg);
- if (!value_optimized_out (val))
- return value_cast (type, val);
- }
-
- return allocate_optimized_out_value (type);
-}
-
-static struct value *
-s390_trad_frame_prev_register (struct frame_info *this_frame,
- struct trad_frame_saved_reg saved_regs[],
- int regnum)
-{
- if (regnum < S390_NUM_REGS)
- return trad_frame_get_prev_register (this_frame, saved_regs, regnum);
- else
- return s390_unwind_pseudo_register (this_frame, regnum);
-}
-
-
-/* Normal stack frames. */
-
-struct s390_unwind_cache {
-
- CORE_ADDR func;
- CORE_ADDR frame_base;
- CORE_ADDR local_base;
-
- struct trad_frame_saved_reg *saved_regs;
-};
-
-static int
-s390_prologue_frame_unwind_cache (struct frame_info *this_frame,
- struct s390_unwind_cache *info)
-{
- struct gdbarch *gdbarch = get_frame_arch (this_frame);
- int word_size = gdbarch_ptr_bit (gdbarch) / 8;
- struct s390_prologue_data data;
- pv_t *fp = &data.gpr[S390_FRAME_REGNUM - S390_R0_REGNUM];
- pv_t *sp = &data.gpr[S390_SP_REGNUM - S390_R0_REGNUM];
- int i;
- CORE_ADDR cfa;
- CORE_ADDR func;
- CORE_ADDR result;
- ULONGEST reg;
- CORE_ADDR prev_sp;
- int frame_pointer;
- int size;
- struct frame_info *next_frame;
-
- /* Try to find the function start address. If we can't find it, we don't
- bother searching for it -- with modern compilers this would be mostly
- pointless anyway. Trust that we'll either have valid DWARF-2 CFI data
- or else a valid backchain ... */
- if (!get_frame_func_if_available (this_frame, &info->func))
- {
- info->func = -1;
- return 0;
- }
- func = info->func;
-
- /* Try to analyze the prologue. */
- result = s390_analyze_prologue (gdbarch, func,
- get_frame_pc (this_frame), &data);
- if (!result)
- return 0;
-
- /* If this was successful, we should have found the instruction that
- sets the stack pointer register to the previous value of the stack
- pointer minus the frame size. */
- if (!pv_is_register (*sp, S390_SP_REGNUM))
- return 0;
-
- /* A frame size of zero at this point can mean either a real
- frameless function, or else a failure to find the prologue.
- Perform some sanity checks to verify we really have a
- frameless function. */
- if (sp->k == 0)
- {
- /* If the next frame is a NORMAL_FRAME, this frame *cannot* have frame
- size zero. This is only possible if the next frame is a sentinel
- frame, a dummy frame, or a signal trampoline frame. */
- /* FIXME: cagney/2004-05-01: This sanity check shouldn't be
- needed, instead the code should simpliy rely on its
- analysis. */
- next_frame = get_next_frame (this_frame);
- while (next_frame && get_frame_type (next_frame) == INLINE_FRAME)
- next_frame = get_next_frame (next_frame);
- if (next_frame
- && get_frame_type (get_next_frame (this_frame)) == NORMAL_FRAME)
- return 0;
-
- /* If we really have a frameless function, %r14 must be valid
- -- in particular, it must point to a different function. */
- reg = get_frame_register_unsigned (this_frame, S390_RETADDR_REGNUM);
- reg = gdbarch_addr_bits_remove (gdbarch, reg) - 1;
- if (get_pc_function_start (reg) == func)
- {
- /* However, there is one case where it *is* valid for %r14
- to point to the same function -- if this is a recursive
- call, and we have stopped in the prologue *before* the
- stack frame was allocated.
-
- Recognize this case by looking ahead a bit ... */
-
- struct s390_prologue_data data2;
- pv_t *sp = &data2.gpr[S390_SP_REGNUM - S390_R0_REGNUM];
-
- if (!(s390_analyze_prologue (gdbarch, func, (CORE_ADDR)-1, &data2)
- && pv_is_register (*sp, S390_SP_REGNUM)
- && sp->k != 0))
- return 0;
- }
- }
-
-
- /* OK, we've found valid prologue data. */
- size = -sp->k;
-
- /* If the frame pointer originally also holds the same value
- as the stack pointer, we're probably using it. If it holds
- some other value -- even a constant offset -- it is most
- likely used as temp register. */
- if (pv_is_identical (*sp, *fp))
- frame_pointer = S390_FRAME_REGNUM;
- else
- frame_pointer = S390_SP_REGNUM;
-
- /* If we've detected a function with stack frame, we'll still have to
- treat it as frameless if we're currently within the function epilog
- code at a point where the frame pointer has already been restored.
- This can only happen in an innermost frame. */
- /* FIXME: cagney/2004-05-01: This sanity check shouldn't be needed,
- instead the code should simpliy rely on its analysis. */
- next_frame = get_next_frame (this_frame);
- while (next_frame && get_frame_type (next_frame) == INLINE_FRAME)
- next_frame = get_next_frame (next_frame);
- if (size > 0
- && (next_frame == NULL
- || get_frame_type (get_next_frame (this_frame)) != NORMAL_FRAME))
- {
- /* See the comment in s390_stack_frame_destroyed_p on why this is
- not completely reliable ... */
- if (s390_stack_frame_destroyed_p (gdbarch, get_frame_pc (this_frame)))
- {
- memset (&data, 0, sizeof (data));
- size = 0;
- frame_pointer = S390_SP_REGNUM;
- }
- }
-
- /* Once we know the frame register and the frame size, we can unwind
- the current value of the frame register from the next frame, and
- add back the frame size to arrive that the previous frame's
- stack pointer value. */
- prev_sp = get_frame_register_unsigned (this_frame, frame_pointer) + size;
- cfa = prev_sp + 16*word_size + 32;
-
- /* Set up ABI call-saved/call-clobbered registers. */
- for (i = 0; i < S390_NUM_REGS; i++)
- if (!s390_register_call_saved (gdbarch, i))
- trad_frame_set_unknown (info->saved_regs, i);
-
- /* CC is always call-clobbered. */
- trad_frame_set_unknown (info->saved_regs, S390_PSWM_REGNUM);
-
- /* Record the addresses of all register spill slots the prologue parser
- has recognized. Consider only registers defined as call-saved by the
- ABI; for call-clobbered registers the parser may have recognized
- spurious stores. */
-
- for (i = 0; i < 16; i++)
- if (s390_register_call_saved (gdbarch, S390_R0_REGNUM + i)
- && data.gpr_slot[i] != 0)
- info->saved_regs[S390_R0_REGNUM + i].addr = cfa - data.gpr_slot[i];
-
- for (i = 0; i < 16; i++)
- if (s390_register_call_saved (gdbarch, S390_F0_REGNUM + i)
- && data.fpr_slot[i] != 0)
- info->saved_regs[S390_F0_REGNUM + i].addr = cfa - data.fpr_slot[i];
-
- /* Function return will set PC to %r14. */
- info->saved_regs[S390_PSWA_REGNUM] = info->saved_regs[S390_RETADDR_REGNUM];
-
- /* In frameless functions, we unwind simply by moving the return
- address to the PC. However, if we actually stored to the
- save area, use that -- we might only think the function frameless
- because we're in the middle of the prologue ... */
- if (size == 0
- && !trad_frame_addr_p (info->saved_regs, S390_PSWA_REGNUM))
- {
- info->saved_regs[S390_PSWA_REGNUM].realreg = S390_RETADDR_REGNUM;
- }
-
- /* Another sanity check: unless this is a frameless function,
- we should have found spill slots for SP and PC.
- If not, we cannot unwind further -- this happens e.g. in
- libc's thread_start routine. */
- if (size > 0)
- {
- if (!trad_frame_addr_p (info->saved_regs, S390_SP_REGNUM)
- || !trad_frame_addr_p (info->saved_regs, S390_PSWA_REGNUM))
- prev_sp = -1;
- }
-
- /* We use the current value of the frame register as local_base,
- and the top of the register save area as frame_base. */
- if (prev_sp != -1)
- {
- info->frame_base = prev_sp + 16*word_size + 32;
- info->local_base = prev_sp - size;
- }
-
- return 1;
-}
-
-static void
-s390_backchain_frame_unwind_cache (struct frame_info *this_frame,
- struct s390_unwind_cache *info)
-{
- struct gdbarch *gdbarch = get_frame_arch (this_frame);
- int word_size = gdbarch_ptr_bit (gdbarch) / 8;
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- CORE_ADDR backchain;
- ULONGEST reg;
- LONGEST sp, tmp;
- int i;
-
- /* Set up ABI call-saved/call-clobbered registers. */
- for (i = 0; i < S390_NUM_REGS; i++)
- if (!s390_register_call_saved (gdbarch, i))
- trad_frame_set_unknown (info->saved_regs, i);
-
- /* CC is always call-clobbered. */
- trad_frame_set_unknown (info->saved_regs, S390_PSWM_REGNUM);
-
- /* Get the backchain. */
- reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
- if (!safe_read_memory_integer (reg, word_size, byte_order, &tmp))
- tmp = 0;
- backchain = (CORE_ADDR) tmp;
-
- /* A zero backchain terminates the frame chain. As additional
- sanity check, let's verify that the spill slot for SP in the
- save area pointed to by the backchain in fact links back to
- the save area. */
- if (backchain != 0
- && safe_read_memory_integer (backchain + 15*word_size,
- word_size, byte_order, &sp)
- && (CORE_ADDR)sp == backchain)
- {
- /* We don't know which registers were saved, but it will have
- to be at least %r14 and %r15. This will allow us to continue
- unwinding, but other prev-frame registers may be incorrect ... */
- info->saved_regs[S390_SP_REGNUM].addr = backchain + 15*word_size;
- info->saved_regs[S390_RETADDR_REGNUM].addr = backchain + 14*word_size;
-
- /* Function return will set PC to %r14. */
- info->saved_regs[S390_PSWA_REGNUM]
- = info->saved_regs[S390_RETADDR_REGNUM];
-
- /* We use the current value of the frame register as local_base,
- and the top of the register save area as frame_base. */
- info->frame_base = backchain + 16*word_size + 32;
- info->local_base = reg;
- }
-
- info->func = get_frame_pc (this_frame);
-}
-
-static struct s390_unwind_cache *
-s390_frame_unwind_cache (struct frame_info *this_frame,
- void **this_prologue_cache)
-{
- struct s390_unwind_cache *info;
-
- if (*this_prologue_cache)
- return (struct s390_unwind_cache *) *this_prologue_cache;
-
- info = FRAME_OBSTACK_ZALLOC (struct s390_unwind_cache);
- *this_prologue_cache = info;
- info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
- info->func = -1;
- info->frame_base = -1;
- info->local_base = -1;
-
- TRY
- {
- /* Try to use prologue analysis to fill the unwind cache.
- If this fails, fall back to reading the stack backchain. */
- if (!s390_prologue_frame_unwind_cache (this_frame, info))
- s390_backchain_frame_unwind_cache (this_frame, info);
- }
- CATCH (ex, RETURN_MASK_ERROR)
- {
- if (ex.error != NOT_AVAILABLE_ERROR)
- throw_exception (ex);
- }
- END_CATCH
-
- return info;
-}
-
-static void
-s390_frame_this_id (struct frame_info *this_frame,
- void **this_prologue_cache,
- struct frame_id *this_id)
-{
- struct s390_unwind_cache *info
- = s390_frame_unwind_cache (this_frame, this_prologue_cache);
-
- if (info->frame_base == -1)
- {
- if (info->func != -1)
- *this_id = frame_id_build_unavailable_stack (info->func);
- return;
- }
-
- *this_id = frame_id_build (info->frame_base, info->func);
-}
-
-static struct value *
-s390_frame_prev_register (struct frame_info *this_frame,
- void **this_prologue_cache, int regnum)
-{
- struct s390_unwind_cache *info
- = s390_frame_unwind_cache (this_frame, this_prologue_cache);
-
- return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum);
-}
-
-static const struct frame_unwind s390_frame_unwind = {
- NORMAL_FRAME,
- default_frame_unwind_stop_reason,
- s390_frame_this_id,
- s390_frame_prev_register,
- NULL,
- default_frame_sniffer
-};
-
-
-/* Code stubs and their stack frames. For things like PLTs and NULL
- function calls (where there is no true frame and the return address
- is in the RETADDR register). */
-
-struct s390_stub_unwind_cache
-{
- CORE_ADDR frame_base;
- struct trad_frame_saved_reg *saved_regs;
-};
-
-static struct s390_stub_unwind_cache *
-s390_stub_frame_unwind_cache (struct frame_info *this_frame,
- void **this_prologue_cache)
-{
- struct gdbarch *gdbarch = get_frame_arch (this_frame);
- int word_size = gdbarch_ptr_bit (gdbarch) / 8;
- struct s390_stub_unwind_cache *info;
- ULONGEST reg;
-
- if (*this_prologue_cache)
- return (struct s390_stub_unwind_cache *) *this_prologue_cache;
-
- info = FRAME_OBSTACK_ZALLOC (struct s390_stub_unwind_cache);
- *this_prologue_cache = info;
- info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
-
- /* The return address is in register %r14. */
- info->saved_regs[S390_PSWA_REGNUM].realreg = S390_RETADDR_REGNUM;
-
- /* Retrieve stack pointer and determine our frame base. */
- reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
- info->frame_base = reg + 16*word_size + 32;
-
- return info;
-}
-
-static void
-s390_stub_frame_this_id (struct frame_info *this_frame,
- void **this_prologue_cache,
- struct frame_id *this_id)
-{
- struct s390_stub_unwind_cache *info
- = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache);
- *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame));
-}
-
-static struct value *
-s390_stub_frame_prev_register (struct frame_info *this_frame,
- void **this_prologue_cache, int regnum)
-{
- struct s390_stub_unwind_cache *info
- = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache);
- return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum);
-}
-
-static int
-s390_stub_frame_sniffer (const struct frame_unwind *self,
- struct frame_info *this_frame,
- void **this_prologue_cache)
-{
- CORE_ADDR addr_in_block;
- bfd_byte insn[S390_MAX_INSTR_SIZE];
-
- /* If the current PC points to non-readable memory, we assume we
- have trapped due to an invalid function pointer call. We handle
- the non-existing current function like a PLT stub. */
- addr_in_block = get_frame_address_in_block (this_frame);
- if (in_plt_section (addr_in_block)
- || s390_readinstruction (insn, get_frame_pc (this_frame)) < 0)
- return 1;
- return 0;
-}
-
-static const struct frame_unwind s390_stub_frame_unwind = {
- NORMAL_FRAME,
- default_frame_unwind_stop_reason,
- s390_stub_frame_this_id,
- s390_stub_frame_prev_register,
- NULL,
- s390_stub_frame_sniffer
-};
-
-
-/* Signal trampoline stack frames. */
-
-struct s390_sigtramp_unwind_cache {
- CORE_ADDR frame_base;
- struct trad_frame_saved_reg *saved_regs;
-};
-
-static struct s390_sigtramp_unwind_cache *
-s390_sigtramp_frame_unwind_cache (struct frame_info *this_frame,
- void **this_prologue_cache)
-{
- struct gdbarch *gdbarch = get_frame_arch (this_frame);
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- int word_size = gdbarch_ptr_bit (gdbarch) / 8;
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- struct s390_sigtramp_unwind_cache *info;
- ULONGEST this_sp, prev_sp;
- CORE_ADDR next_ra, next_cfa, sigreg_ptr, sigreg_high_off;
- int i;
-
- if (*this_prologue_cache)
- return (struct s390_sigtramp_unwind_cache *) *this_prologue_cache;
-
- info = FRAME_OBSTACK_ZALLOC (struct s390_sigtramp_unwind_cache);
- *this_prologue_cache = info;
- info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
-
- this_sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
- next_ra = get_frame_pc (this_frame);
- next_cfa = this_sp + 16*word_size + 32;
-
- /* New-style RT frame:
- retcode + alignment (8 bytes)
- siginfo (128 bytes)
- ucontext (contains sigregs at offset 5 words). */
- if (next_ra == next_cfa)
- {
- sigreg_ptr = next_cfa + 8 + 128 + align_up (5*word_size, 8);
- /* sigregs are followed by uc_sigmask (8 bytes), then by the
- upper GPR halves if present. */
- sigreg_high_off = 8;
- }
-
- /* Old-style RT frame and all non-RT frames:
- old signal mask (8 bytes)
- pointer to sigregs. */
- else
- {
- sigreg_ptr = read_memory_unsigned_integer (next_cfa + 8,
- word_size, byte_order);
- /* sigregs are followed by signo (4 bytes), then by the
- upper GPR halves if present. */
- sigreg_high_off = 4;
- }
-
- /* The sigregs structure looks like this:
- long psw_mask;
- long psw_addr;
- long gprs[16];
- int acrs[16];
- int fpc;
- int __pad;
- double fprs[16]; */
-
- /* PSW mask and address. */
- info->saved_regs[S390_PSWM_REGNUM].addr = sigreg_ptr;
- sigreg_ptr += word_size;
- info->saved_regs[S390_PSWA_REGNUM].addr = sigreg_ptr;
- sigreg_ptr += word_size;
-
- /* Then the GPRs. */
- for (i = 0; i < 16; i++)
- {
- info->saved_regs[S390_R0_REGNUM + i].addr = sigreg_ptr;
- sigreg_ptr += word_size;
- }
-
- /* Then the ACRs. */
- for (i = 0; i < 16; i++)
- {
- info->saved_regs[S390_A0_REGNUM + i].addr = sigreg_ptr;
- sigreg_ptr += 4;
- }
-
- /* The floating-point control word. */
- info->saved_regs[S390_FPC_REGNUM].addr = sigreg_ptr;
- sigreg_ptr += 8;
-
- /* And finally the FPRs. */
- for (i = 0; i < 16; i++)
- {
- info->saved_regs[S390_F0_REGNUM + i].addr = sigreg_ptr;
- sigreg_ptr += 8;
- }
-
- /* If we have them, the GPR upper halves are appended at the end. */
- sigreg_ptr += sigreg_high_off;
- if (tdep->gpr_full_regnum != -1)
- for (i = 0; i < 16; i++)
- {
- info->saved_regs[S390_R0_UPPER_REGNUM + i].addr = sigreg_ptr;
- sigreg_ptr += 4;
- }
-
- /* Restore the previous frame's SP. */
- prev_sp = read_memory_unsigned_integer (
- info->saved_regs[S390_SP_REGNUM].addr,
- word_size, byte_order);
-
- /* Determine our frame base. */
- info->frame_base = prev_sp + 16*word_size + 32;
-
- return info;
-}
-
-static void
-s390_sigtramp_frame_this_id (struct frame_info *this_frame,
- void **this_prologue_cache,
- struct frame_id *this_id)
-{
- struct s390_sigtramp_unwind_cache *info
- = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache);
- *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame));
-}
-
-static struct value *
-s390_sigtramp_frame_prev_register (struct frame_info *this_frame,
- void **this_prologue_cache, int regnum)
-{
- struct s390_sigtramp_unwind_cache *info
- = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache);
- return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum);
-}
-
-static int
-s390_sigtramp_frame_sniffer (const struct frame_unwind *self,
- struct frame_info *this_frame,
- void **this_prologue_cache)
-{
- CORE_ADDR pc = get_frame_pc (this_frame);
- bfd_byte sigreturn[2];
-
- if (target_read_memory (pc, sigreturn, 2))
- return 0;
-
- if (sigreturn[0] != op_svc)
- return 0;
-
- if (sigreturn[1] != 119 /* sigreturn */
- && sigreturn[1] != 173 /* rt_sigreturn */)
- return 0;
-
- return 1;
-}
-
-static const struct frame_unwind s390_sigtramp_frame_unwind = {
- SIGTRAMP_FRAME,
- default_frame_unwind_stop_reason,
- s390_sigtramp_frame_this_id,
- s390_sigtramp_frame_prev_register,
- NULL,
- s390_sigtramp_frame_sniffer
-};
-
-/* Retrieve the syscall number at a ptrace syscall-stop. Return -1
- upon error. */
-
-static LONGEST
-s390_linux_get_syscall_number (struct gdbarch *gdbarch,
- ptid_t ptid)
-{
- struct regcache *regs = get_thread_regcache (ptid);
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- ULONGEST pc;
- ULONGEST svc_number = -1;
- unsigned opcode;
-
- /* Assume that the PC points after the 2-byte SVC instruction. We
- don't currently support SVC via EXECUTE. */
- regcache_cooked_read_unsigned (regs, tdep->pc_regnum, &pc);
- pc -= 2;
- opcode = read_memory_unsigned_integer ((CORE_ADDR) pc, 1, byte_order);
- if (opcode != op_svc)
- return -1;
-
- svc_number = read_memory_unsigned_integer ((CORE_ADDR) pc + 1, 1,
- byte_order);
- if (svc_number == 0)
- regcache_cooked_read_unsigned (regs, S390_R1_REGNUM, &svc_number);
-
- return svc_number;
-}
-
-/* Process record-replay */
-
-static struct linux_record_tdep s390_linux_record_tdep;
-static struct linux_record_tdep s390x_linux_record_tdep;
-
-/* Record all registers but PC register for process-record. */
-
-static int
-s390_all_but_pc_registers_record (struct regcache *regcache)
-{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- int i;
-
- for (i = 0; i < 16; i++)
- {
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i))
- return -1;
- if (tdep->gpr_full_regnum != -1)
- if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
- return -1;
- if (tdep->v0_full_regnum != -1)
- {
- if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i))
- return -1;
- }
- }
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
-
- return 0;
-}
-
-static enum gdb_syscall
-s390_canonicalize_syscall (int syscall, enum s390_abi_kind abi)
-{
- switch (syscall)
- {
- /* s390 syscall numbers < 222 are mostly the same as x86, so just list
- the exceptions. */
- case 0:
- return gdb_sys_no_syscall;
- case 7:
- return gdb_sys_restart_syscall;
- /* These syscalls work only on 31-bit. */
- case 13: /* time */
- case 16: /* lchown[16] */
- case 23: /* setuid[16] */
- case 24: /* getuid[16] */
- case 25: /* stime */
- case 46: /* setgid[16] */
- case 47: /* getgid[16] */
- case 49: /* seteuid[16] */
- case 50: /* getegid[16] */
- case 70: /* setreuid[16] */
- case 71: /* setregid[16] */
- case 76: /* [old_]getrlimit */
- case 80: /* getgroups[16] */
- case 81: /* setgroups[16] */
- case 95: /* fchown[16] */
- case 101: /* ioperm */
- case 138: /* setfsuid[16] */
- case 139: /* setfsgid[16] */
- case 140: /* _llseek */
- case 164: /* setresuid[16] */
- case 165: /* getresuid[16] */
- case 170: /* setresgid[16] */
- case 171: /* getresgid[16] */
- case 182: /* chown[16] */
- case 192: /* mmap2 */
- case 193: /* truncate64 */
- case 194: /* ftruncate64 */
- case 195: /* stat64 */
- case 196: /* lstat64 */
- case 197: /* fstat64 */
- case 221: /* fcntl64 */
- if (abi == ABI_LINUX_S390)
- return (enum gdb_syscall) syscall;
- return gdb_sys_no_syscall;
- /* These syscalls don't exist on s390. */
- case 17: /* break */
- case 18: /* oldstat */
- case 28: /* oldfstat */
- case 31: /* stty */
- case 32: /* gtty */
- case 35: /* ftime */
- case 44: /* prof */
- case 53: /* lock */
- case 56: /* mpx */
- case 58: /* ulimit */
- case 59: /* oldolduname */
- case 68: /* sgetmask */
- case 69: /* ssetmask */
- case 82: /* [old_]select */
- case 84: /* oldlstat */
- case 98: /* profil */
- case 109: /* olduname */
- case 113: /* vm86old */
- case 123: /* modify_ldt */
- case 166: /* vm86 */
- return gdb_sys_no_syscall;
- case 110:
- return gdb_sys_lookup_dcookie;
- /* Here come the differences. */
- case 222:
- return gdb_sys_readahead;
- case 223:
- if (abi == ABI_LINUX_S390)
- return gdb_sys_sendfile64;
- return gdb_sys_no_syscall;
- /* 224-235 handled below */
- case 236:
- return gdb_sys_gettid;
- case 237:
- return gdb_sys_tkill;
- case 238:
- return gdb_sys_futex;
- case 239:
- return gdb_sys_sched_setaffinity;
- case 240:
- return gdb_sys_sched_getaffinity;
- case 241:
- return gdb_sys_tgkill;
- /* 242 reserved */
- case 243:
- return gdb_sys_io_setup;
- case 244:
- return gdb_sys_io_destroy;
- case 245:
- return gdb_sys_io_getevents;
- case 246:
- return gdb_sys_io_submit;
- case 247:
- return gdb_sys_io_cancel;
- case 248:
- return gdb_sys_exit_group;
- case 249:
- return gdb_sys_epoll_create;
- case 250:
- return gdb_sys_epoll_ctl;
- case 251:
- return gdb_sys_epoll_wait;
- case 252:
- return gdb_sys_set_tid_address;
- case 253:
- return gdb_sys_fadvise64;
- /* 254-262 handled below */
- /* 263 reserved */
- case 264:
- if (abi == ABI_LINUX_S390)
- return gdb_sys_fadvise64_64;
- return gdb_sys_no_syscall;
- case 265:
- return gdb_sys_statfs64;
- case 266:
- return gdb_sys_fstatfs64;
- case 267:
- return gdb_sys_remap_file_pages;
- /* 268-270 reserved */
- /* 271-277 handled below */
- case 278:
- return gdb_sys_add_key;
- case 279:
- return gdb_sys_request_key;
- case 280:
- return gdb_sys_keyctl;
- case 281:
- return gdb_sys_waitid;
- /* 282-312 handled below */
- case 293:
- if (abi == ABI_LINUX_S390)
- return gdb_sys_fstatat64;
- return gdb_sys_newfstatat;
- /* 313+ not yet supported */
- default:
- {
- int ret;
-
- /* Most "old" syscalls copied from i386. */
- if (syscall <= 221)
- ret = syscall;
- /* xattr syscalls. */
- else if (syscall >= 224 && syscall <= 235)
- ret = syscall + 2;
- /* timer syscalls. */
- else if (syscall >= 254 && syscall <= 262)
- ret = syscall + 5;
- /* mq_* and kexec_load */
- else if (syscall >= 271 && syscall <= 277)
- ret = syscall + 6;
- /* ioprio_set .. epoll_pwait */
- else if (syscall >= 282 && syscall <= 312)
- ret = syscall + 7;
- else
- ret = gdb_sys_no_syscall;
-
- return (enum gdb_syscall) ret;
- }
- }
-}
-
-static int
-s390_linux_syscall_record (struct regcache *regcache, LONGEST syscall_native)
-{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- int ret;
- enum gdb_syscall syscall_gdb;
-
- /* On s390, syscall number can be passed either as immediate field of svc
- instruction, or in %r1 (with svc 0). */
- if (syscall_native == 0)
- regcache_raw_read_signed (regcache, S390_R1_REGNUM, &syscall_native);
-
- syscall_gdb = s390_canonicalize_syscall (syscall_native, tdep->abi);
-
- if (syscall_gdb < 0)
- {
- printf_unfiltered (_("Process record and replay target doesn't "
- "support syscall number %s\n"),
- plongest (syscall_native));
- return -1;
- }
-
- if (syscall_gdb == gdb_sys_sigreturn
- || syscall_gdb == gdb_sys_rt_sigreturn)
- {
- if (s390_all_but_pc_registers_record (regcache))
- return -1;
- return 0;
- }
-
- if (tdep->abi == ABI_LINUX_ZSERIES)
- ret = record_linux_system_call (syscall_gdb, regcache,
- &s390x_linux_record_tdep);
- else
- ret = record_linux_system_call (syscall_gdb, regcache,
- &s390_linux_record_tdep);
-
- if (ret)
- return ret;
-
- /* Record the return value of the system call. */
- if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM))
- return -1;
-
- return 0;
-}
-
-static int
-s390_linux_record_signal (struct gdbarch *gdbarch, struct regcache *regcache,
- enum gdb_signal signal)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- /* There are two kinds of signal frames on s390. rt_sigframe is always
- the larger one, so don't even bother with sigframe. */
- const int sizeof_rt_sigframe = (tdep->abi == ABI_LINUX_ZSERIES ?
- 160 + 8 + 128 + 1024 : 96 + 8 + 128 + 1000);
- ULONGEST sp;
- int i;
-
- for (i = 0; i < 16; i++)
- {
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
- return -1;
- if (tdep->gpr_full_regnum != -1)
- if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
- return -1;
- }
- if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
-
- /* Record the change in the stack.
- frame-size = sizeof (struct rt_sigframe) + SIGNAL_FRAMESIZE */
- regcache_raw_read_unsigned (regcache, S390_SP_REGNUM, &sp);
- sp -= sizeof_rt_sigframe;
-
- if (record_full_arch_list_add_mem (sp, sizeof_rt_sigframe))
- return -1;
-
- if (record_full_arch_list_add_end ())
- return -1;
-
- return 0;
-}
-
-/* Frame base handling. */
-
-static CORE_ADDR
-s390_frame_base_address (struct frame_info *this_frame, void **this_cache)
-{
- struct s390_unwind_cache *info
- = s390_frame_unwind_cache (this_frame, this_cache);
- return info->frame_base;
-}
-
-static CORE_ADDR
-s390_local_base_address (struct frame_info *this_frame, void **this_cache)
-{
- struct s390_unwind_cache *info
- = s390_frame_unwind_cache (this_frame, this_cache);
- return info->local_base;
-}
-
-static const struct frame_base s390_frame_base = {
- &s390_frame_unwind,
- s390_frame_base_address,
- s390_local_base_address,
- s390_local_base_address
-};
-
-static CORE_ADDR
-s390_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- ULONGEST pc;
- pc = frame_unwind_register_unsigned (next_frame, tdep->pc_regnum);
- return gdbarch_addr_bits_remove (gdbarch, pc);
-}
-
-static CORE_ADDR
-s390_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
-{
- ULONGEST sp;
- sp = frame_unwind_register_unsigned (next_frame, S390_SP_REGNUM);
- return gdbarch_addr_bits_remove (gdbarch, sp);
-}
-
-
-/* DWARF-2 frame support. */
-
-static struct value *
-s390_dwarf2_prev_register (struct frame_info *this_frame, void **this_cache,
- int regnum)
-{
- return s390_unwind_pseudo_register (this_frame, regnum);
-}
-
-static void
-s390_dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum,
- struct dwarf2_frame_state_reg *reg,
- struct frame_info *this_frame)
-{
- /* The condition code (and thus PSW mask) is call-clobbered. */
- if (regnum == S390_PSWM_REGNUM)
- reg->how = DWARF2_FRAME_REG_UNDEFINED;
-
- /* The PSW address unwinds to the return address. */
- else if (regnum == S390_PSWA_REGNUM)
- reg->how = DWARF2_FRAME_REG_RA;
-
- /* Fixed registers are call-saved or call-clobbered
- depending on the ABI in use. */
- else if (regnum < S390_NUM_REGS)
- {
- if (s390_register_call_saved (gdbarch, regnum))
- reg->how = DWARF2_FRAME_REG_SAME_VALUE;
- else
- reg->how = DWARF2_FRAME_REG_UNDEFINED;
- }
-
- /* We install a special function to unwind pseudos. */
- else
- {
- reg->how = DWARF2_FRAME_REG_FN;
- reg->loc.fn = s390_dwarf2_prev_register;
- }
-}
-
-
-/* Dummy function calls. */
-
-/* Unwrap any single-field structs in TYPE and return the effective
- "inner" type. E.g., yield "float" for all these cases:
-
- float x;
- struct { float x };
- struct { struct { float x; } x; };
- struct { struct { struct { float x; } x; } x; };
-
- However, if an inner type is smaller than MIN_SIZE, abort the
- unwrapping. */
-
-static struct type *
-s390_effective_inner_type (struct type *type, unsigned int min_size)
-{
- while (TYPE_CODE (type) == TYPE_CODE_STRUCT
- && TYPE_NFIELDS (type) == 1)
- {
- struct type *inner = check_typedef (TYPE_FIELD_TYPE (type, 0));
-
- if (TYPE_LENGTH (inner) < min_size)
- break;
- type = inner;
- }
-
- return type;
-}
-
-/* Return non-zero if TYPE should be passed like "float" or
- "double". */
-
-static int
-s390_function_arg_float (struct type *type)
-{
- /* Note that long double as well as complex types are intentionally
- excluded. */
- if (TYPE_LENGTH (type) > 8)
- return 0;
-
- /* A struct containing just a float or double is passed like a float
- or double. */
- type = s390_effective_inner_type (type, 0);
-
- return (TYPE_CODE (type) == TYPE_CODE_FLT
- || TYPE_CODE (type) == TYPE_CODE_DECFLOAT);
-}
-
-/* Return non-zero if TYPE should be passed like a vector. */
-
-static int
-s390_function_arg_vector (struct type *type)
-{
- if (TYPE_LENGTH (type) > 16)
- return 0;
-
- /* Structs containing just a vector are passed like a vector. */
- type = s390_effective_inner_type (type, TYPE_LENGTH (type));
-
- return TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_VECTOR (type);
-}
-
-/* Determine whether N is a power of two. */
-
-static int
-is_power_of_two (unsigned int n)
-{
- return n && ((n & (n - 1)) == 0);
-}
-
-/* For an argument whose type is TYPE and which is not passed like a
- float or vector, return non-zero if it should be passed like "int"
- or "long long". */
-
-static int
-s390_function_arg_integer (struct type *type)
-{
- enum type_code code = TYPE_CODE (type);
-
- if (TYPE_LENGTH (type) > 8)
- return 0;
-
- if (code == TYPE_CODE_INT
- || code == TYPE_CODE_ENUM
- || code == TYPE_CODE_RANGE
- || code == TYPE_CODE_CHAR
- || code == TYPE_CODE_BOOL
- || code == TYPE_CODE_PTR
- || TYPE_IS_REFERENCE (type))
- return 1;
-
- return ((code == TYPE_CODE_UNION || code == TYPE_CODE_STRUCT)
- && is_power_of_two (TYPE_LENGTH (type)));
-}
-
-/* Argument passing state: Internal data structure passed to helper
- routines of s390_push_dummy_call. */
-
-struct s390_arg_state
- {
- /* Register cache, or NULL, if we are in "preparation mode". */
- struct regcache *regcache;
- /* Next available general/floating-point/vector register for
- argument passing. */
- int gr, fr, vr;
- /* Current pointer to copy area (grows downwards). */
- CORE_ADDR copy;
- /* Current pointer to parameter area (grows upwards). */
- CORE_ADDR argp;
- };
-
-/* Prepare one argument ARG for a dummy call and update the argument
- passing state AS accordingly. If the regcache field in AS is set,
- operate in "write mode" and write ARG into the inferior. Otherwise
- run "preparation mode" and skip all updates to the inferior. */
-
-static void
-s390_handle_arg (struct s390_arg_state *as, struct value *arg,
- struct gdbarch_tdep *tdep, int word_size,
- enum bfd_endian byte_order, int is_unnamed)
-{
- struct type *type = check_typedef (value_type (arg));
- unsigned int length = TYPE_LENGTH (type);
- int write_mode = as->regcache != NULL;
-
- if (s390_function_arg_float (type))
- {
- /* The GNU/Linux for S/390 ABI uses FPRs 0 and 2 to pass
- arguments. The GNU/Linux for zSeries ABI uses 0, 2, 4, and
- 6. */
- if (as->fr <= (tdep->abi == ABI_LINUX_S390 ? 2 : 6))
- {
- /* When we store a single-precision value in an FP register,
- it occupies the leftmost bits. */
- if (write_mode)
- regcache_cooked_write_part (as->regcache,
- S390_F0_REGNUM + as->fr,
- 0, length,
- value_contents (arg));
- as->fr += 2;
- }
- else
- {
- /* When we store a single-precision value in a stack slot,
- it occupies the rightmost bits. */
- as->argp = align_up (as->argp + length, word_size);
- if (write_mode)
- write_memory (as->argp - length, value_contents (arg),
- length);
- }
- }
- else if (tdep->vector_abi == S390_VECTOR_ABI_128
- && s390_function_arg_vector (type))
- {
- static const char use_vr[] = {24, 26, 28, 30, 25, 27, 29, 31};
-
- if (!is_unnamed && as->vr < ARRAY_SIZE (use_vr))
- {
- int regnum = S390_V24_REGNUM + use_vr[as->vr] - 24;
-
- if (write_mode)
- regcache_cooked_write_part (as->regcache, regnum,
- 0, length,
- value_contents (arg));
- as->vr++;
- }
- else
- {
- if (write_mode)
- write_memory (as->argp, value_contents (arg), length);
- as->argp = align_up (as->argp + length, word_size);
- }
- }
- else if (s390_function_arg_integer (type) && length <= word_size)
- {
- /* Initialize it just to avoid a GCC false warning. */
- ULONGEST val = 0;
-
- if (write_mode)
- {
- /* Place value in least significant bits of the register or
- memory word and sign- or zero-extend to full word size.
- This also applies to a struct or union. */
- val = TYPE_UNSIGNED (type)
- ? extract_unsigned_integer (value_contents (arg),
- length, byte_order)
- : extract_signed_integer (value_contents (arg),
- length, byte_order);
- }
-
- if (as->gr <= 6)
- {
- if (write_mode)
- regcache_cooked_write_unsigned (as->regcache,
- S390_R0_REGNUM + as->gr,
- val);
- as->gr++;
- }
- else
- {
- if (write_mode)
- write_memory_unsigned_integer (as->argp, word_size,
- byte_order, val);
- as->argp += word_size;
- }
- }
- else if (s390_function_arg_integer (type) && length == 8)
- {
- if (as->gr <= 5)
- {
- if (write_mode)
- {
- regcache_cooked_write (as->regcache,
- S390_R0_REGNUM + as->gr,
- value_contents (arg));
- regcache_cooked_write (as->regcache,
- S390_R0_REGNUM + as->gr + 1,
- value_contents (arg) + word_size);
- }
- as->gr += 2;
- }
- else
- {
- /* If we skipped r6 because we couldn't fit a DOUBLE_ARG
- in it, then don't go back and use it again later. */
- as->gr = 7;
-
- if (write_mode)
- write_memory (as->argp, value_contents (arg), length);
- as->argp += length;
- }
- }
- else
- {
- /* This argument type is never passed in registers. Place the
- value in the copy area and pass a pointer to it. Use 8-byte
- alignment as a conservative assumption. */
- as->copy = align_down (as->copy - length, 8);
- if (write_mode)
- write_memory (as->copy, value_contents (arg), length);
-
- if (as->gr <= 6)
- {
- if (write_mode)
- regcache_cooked_write_unsigned (as->regcache,
- S390_R0_REGNUM + as->gr,
- as->copy);
- as->gr++;
- }
- else
- {
- if (write_mode)
- write_memory_unsigned_integer (as->argp, word_size,
- byte_order, as->copy);
- as->argp += word_size;
- }
- }
-}
-
-/* Put the actual parameter values pointed to by ARGS[0..NARGS-1] in
- place to be passed to a function, as specified by the "GNU/Linux
- for S/390 ELF Application Binary Interface Supplement".
-
- SP is the current stack pointer. We must put arguments, links,
- padding, etc. whereever they belong, and return the new stack
- pointer value.
-
- If STRUCT_RETURN is non-zero, then the function we're calling is
- going to return a structure by value; STRUCT_ADDR is the address of
- a block we've allocated for it on the stack.
-
- Our caller has taken care of any type promotions needed to satisfy
- prototypes or the old K&R argument-passing rules. */
-
-static CORE_ADDR
-s390_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
- struct regcache *regcache, CORE_ADDR bp_addr,
- int nargs, struct value **args, CORE_ADDR sp,
- int struct_return, CORE_ADDR struct_addr)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- int word_size = gdbarch_ptr_bit (gdbarch) / 8;
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- int i;
- struct s390_arg_state arg_state, arg_prep;
- CORE_ADDR param_area_start, new_sp;
- struct type *ftype = check_typedef (value_type (function));
-
- if (TYPE_CODE (ftype) == TYPE_CODE_PTR)
- ftype = check_typedef (TYPE_TARGET_TYPE (ftype));
-
- arg_prep.copy = sp;
- arg_prep.gr = struct_return ? 3 : 2;
- arg_prep.fr = 0;
- arg_prep.vr = 0;
- arg_prep.argp = 0;
- arg_prep.regcache = NULL;
-
- /* Initialize arg_state for "preparation mode". */
- arg_state = arg_prep;
-
- /* Update arg_state.copy with the start of the reference-to-copy area
- and arg_state.argp with the size of the parameter area. */
- for (i = 0; i < nargs; i++)
- s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order,
- TYPE_VARARGS (ftype) && i >= TYPE_NFIELDS (ftype));
-
- param_area_start = align_down (arg_state.copy - arg_state.argp, 8);
-
- /* Allocate the standard frame areas: the register save area, the
- word reserved for the compiler, and the back chain pointer. */
- new_sp = param_area_start - (16 * word_size + 32);
-
- /* Now we have the final stack pointer. Make sure we didn't
- underflow; on 31-bit, this would result in addresses with the
- high bit set, which causes confusion elsewhere. Note that if we
- error out here, stack and registers remain untouched. */
- if (gdbarch_addr_bits_remove (gdbarch, new_sp) != new_sp)
- error (_("Stack overflow"));
-
- /* Pass the structure return address in general register 2. */
- if (struct_return)
- regcache_cooked_write_unsigned (regcache, S390_R2_REGNUM, struct_addr);
-
- /* Initialize arg_state for "write mode". */
- arg_state = arg_prep;
- arg_state.argp = param_area_start;
- arg_state.regcache = regcache;
-
- /* Write all parameters. */
- for (i = 0; i < nargs; i++)
- s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order,
- TYPE_VARARGS (ftype) && i >= TYPE_NFIELDS (ftype));
-
- /* Store return PSWA. In 31-bit mode, keep addressing mode bit. */
- if (word_size == 4)
- {
- ULONGEST pswa;
- regcache_cooked_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa);
- bp_addr = (bp_addr & 0x7fffffff) | (pswa & 0x80000000);
- }
- regcache_cooked_write_unsigned (regcache, S390_RETADDR_REGNUM, bp_addr);
-
- /* Store updated stack pointer. */
- regcache_cooked_write_unsigned (regcache, S390_SP_REGNUM, new_sp);
-
- /* We need to return the 'stack part' of the frame ID,
- which is actually the top of the register save area. */
- return param_area_start;
-}
-
-/* Assuming THIS_FRAME is a dummy, return the frame ID of that
- dummy frame. The frame ID's base needs to match the TOS value
- returned by push_dummy_call, and the PC match the dummy frame's
- breakpoint. */
-static struct frame_id
-s390_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
-{
- int word_size = gdbarch_ptr_bit (gdbarch) / 8;
- CORE_ADDR sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
- sp = gdbarch_addr_bits_remove (gdbarch, sp);
-
- return frame_id_build (sp + 16*word_size + 32,
- get_frame_pc (this_frame));
-}
-
-static CORE_ADDR
-s390_frame_align (struct gdbarch *gdbarch, CORE_ADDR addr)
-{
- /* Both the 32- and 64-bit ABI's say that the stack pointer should
- always be aligned on an eight-byte boundary. */
- return (addr & -8);
-}
-
-
-/* Helper for s390_return_value: Set or retrieve a function return
- value if it resides in a register. */
-
-static void
-s390_register_return_value (struct gdbarch *gdbarch, struct type *type,
- struct regcache *regcache,
- gdb_byte *out, const gdb_byte *in)
-{
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- int word_size = gdbarch_ptr_bit (gdbarch) / 8;
- int length = TYPE_LENGTH (type);
- int code = TYPE_CODE (type);
-
- if (code == TYPE_CODE_FLT || code == TYPE_CODE_DECFLOAT)
- {
- /* Float-like value: left-aligned in f0. */
- if (in != NULL)
- regcache_cooked_write_part (regcache, S390_F0_REGNUM,
- 0, length, in);
- else
- regcache_cooked_read_part (regcache, S390_F0_REGNUM,
- 0, length, out);
- }
- else if (code == TYPE_CODE_ARRAY)
- {
- /* Vector: left-aligned in v24. */
- if (in != NULL)
- regcache_cooked_write_part (regcache, S390_V24_REGNUM,
- 0, length, in);
- else
- regcache_cooked_read_part (regcache, S390_V24_REGNUM,
- 0, length, out);
- }
- else if (length <= word_size)
- {
- /* Integer: zero- or sign-extended in r2. */
- if (out != NULL)
- regcache_cooked_read_part (regcache, S390_R2_REGNUM,
- word_size - length, length, out);
- else if (TYPE_UNSIGNED (type))
- regcache_cooked_write_unsigned
- (regcache, S390_R2_REGNUM,
- extract_unsigned_integer (in, length, byte_order));
- else
- regcache_cooked_write_signed
- (regcache, S390_R2_REGNUM,
- extract_signed_integer (in, length, byte_order));
- }
- else if (length == 2 * word_size)
- {
- /* Double word: in r2 and r3. */
- if (in != NULL)
- {
- regcache_cooked_write (regcache, S390_R2_REGNUM, in);
- regcache_cooked_write (regcache, S390_R3_REGNUM,
- in + word_size);
- }
- else
- {
- regcache_cooked_read (regcache, S390_R2_REGNUM, out);
- regcache_cooked_read (regcache, S390_R3_REGNUM,
- out + word_size);
- }
- }
- else
- internal_error (__FILE__, __LINE__, _("invalid return type"));
-}
-
-
-/* Implement the 'return_value' gdbarch method. */
-
-static enum return_value_convention
-s390_return_value (struct gdbarch *gdbarch, struct value *function,
- struct type *type, struct regcache *regcache,
- gdb_byte *out, const gdb_byte *in)
-{
- enum return_value_convention rvc;
-
- type = check_typedef (type);
-
- switch (TYPE_CODE (type))
- {
- case TYPE_CODE_STRUCT:
- case TYPE_CODE_UNION:
- case TYPE_CODE_COMPLEX:
- rvc = RETURN_VALUE_STRUCT_CONVENTION;
- break;
- case TYPE_CODE_ARRAY:
- rvc = (gdbarch_tdep (gdbarch)->vector_abi == S390_VECTOR_ABI_128
- && TYPE_LENGTH (type) <= 16 && TYPE_VECTOR (type))
- ? RETURN_VALUE_REGISTER_CONVENTION
- : RETURN_VALUE_STRUCT_CONVENTION;
- break;
- default:
- rvc = TYPE_LENGTH (type) <= 8
- ? RETURN_VALUE_REGISTER_CONVENTION
- : RETURN_VALUE_STRUCT_CONVENTION;
- }
-
- if (in != NULL || out != NULL)
- {
- if (rvc == RETURN_VALUE_REGISTER_CONVENTION)
- s390_register_return_value (gdbarch, type, regcache, out, in);
- else if (in != NULL)
- error (_("Cannot set function return value."));
- else
- error (_("Function return value unknown."));
- }
-
- return rvc;
-}
-
-
-/* Breakpoints. */
-constexpr gdb_byte s390_break_insn[] = { 0x0, 0x1 };
-
-typedef BP_MANIPULATION (s390_break_insn) s390_breakpoint;
-
-/* Address handling. */
-
-static CORE_ADDR
-s390_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr)
-{
- return addr & 0x7fffffff;
-}
-
-static int
-s390_address_class_type_flags (int byte_size, int dwarf2_addr_class)
-{
- if (byte_size == 4)
- return TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1;
- else
- return 0;
-}
-
-static const char *
-s390_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags)
-{
- if (type_flags & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1)
- return "mode32";
- else
- return NULL;
-}
-
-static int
-s390_address_class_name_to_type_flags (struct gdbarch *gdbarch,
- const char *name,
- int *type_flags_ptr)
-{
- if (strcmp (name, "mode32") == 0)
- {
- *type_flags_ptr = TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1;
- return 1;
- }
- else
- return 0;
-}
-
-/* Implement gdbarch_gcc_target_options. GCC does not know "-m32" or
- "-mcmodel=large". */
-
-static char *
-s390_gcc_target_options (struct gdbarch *gdbarch)
-{
- return xstrdup (gdbarch_ptr_bit (gdbarch) == 64 ? "-m64" : "-m31");
-}
-
-/* Implement gdbarch_gnu_triplet_regexp. Target triplets are "s390-*"
- for 31-bit and "s390x-*" for 64-bit, while the BFD arch name is
- always "s390". Note that an s390x compiler supports "-m31" as
- well. */
-
-static const char *
-s390_gnu_triplet_regexp (struct gdbarch *gdbarch)
-{
- return "s390x?";
-}
-
-/* Implementation of `gdbarch_stap_is_single_operand', as defined in
- gdbarch.h. */
-
-static int
-s390_stap_is_single_operand (struct gdbarch *gdbarch, const char *s)
-{
- return ((isdigit (*s) && s[1] == '(' && s[2] == '%') /* Displacement
- or indirection. */
- || *s == '%' /* Register access. */
- || isdigit (*s)); /* Literal number. */
-}
-
-/* Process record and replay helpers. */
-
-/* Takes the intermediate sum of address calculations and masks off upper
- bits according to current addressing mode. */
-
-static CORE_ADDR
-s390_record_address_mask (struct gdbarch *gdbarch, struct regcache *regcache,
- CORE_ADDR val) {
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- ULONGEST pswm, pswa;
- int am;
- if (tdep->abi == ABI_LINUX_S390)
- {
- regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa);
- am = pswa >> 31 & 1;
- }
- else
- {
- regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &pswm);
- am = pswm >> 31 & 3;
- }
- switch (am)
- {
- case 0:
- return val & 0xffffff;
- case 1:
- return val & 0x7fffffff;
- case 3:
- return val;
- default:
- fprintf_unfiltered (gdb_stdlog, "Warning: Addressing mode %d used.", am);
- return 0;
- }
-}
-
-/* Calculates memory address using pre-calculated index, raw instruction word
- with b and d/dl fields, and raw instruction byte with dh field. Index and
- dh should be set to 0 if unused. */
-
-static CORE_ADDR
-s390_record_calc_disp_common (struct gdbarch *gdbarch, struct regcache *regcache,
- ULONGEST x, uint16_t bd, int8_t dh)
-{
- uint8_t rb = bd >> 12 & 0xf;
- int32_t d = (bd & 0xfff) | ((int32_t)dh << 12);
- ULONGEST b;
- CORE_ADDR res = d + x;
- if (rb)
- {
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rb, &b);
- res += b;
- }
- return s390_record_address_mask (gdbarch, regcache, res);
-}
-
-/* Calculates memory address using raw x, b + d/dl, dh fields from
- instruction. rx and dh should be set to 0 if unused. */
-
-static CORE_ADDR
-s390_record_calc_disp (struct gdbarch *gdbarch, struct regcache *regcache,
- uint8_t rx, uint16_t bd, int8_t dh)
-{
- ULONGEST x = 0;
- if (rx)
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rx, &x);
- return s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh);
-}
-
-/* Calculates memory address for VSCE[GF] instructions. */
-
-static int
-s390_record_calc_disp_vsce (struct gdbarch *gdbarch, struct regcache *regcache,
- uint8_t vx, uint8_t el, uint8_t es, uint16_t bd,
- int8_t dh, CORE_ADDR *res)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- ULONGEST x;
- gdb_byte buf[16];
- if (tdep->v0_full_regnum == -1 || el * es >= 16)
- return -1;
- if (vx < 16)
- regcache_cooked_read (regcache, tdep->v0_full_regnum + vx, buf);
- else
- regcache_raw_read (regcache, S390_V16_REGNUM + vx - 16, buf);
- x = extract_unsigned_integer (buf + el * es, es, byte_order);
- *res = s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh);
- return 0;
-}
-
-/* Calculates memory address for instructions with relative long addressing. */
-
-static CORE_ADDR
-s390_record_calc_rl (struct gdbarch *gdbarch, struct regcache *regcache,
- CORE_ADDR addr, uint16_t i1, uint16_t i2)
-{
- int32_t ri = i1 << 16 | i2;
- return s390_record_address_mask (gdbarch, regcache, addr + (LONGEST)ri * 2);
-}
-
-/* Population count helper. */
-
-static int s390_popcnt (unsigned int x) {
- int res = 0;
- while (x)
- {
- if (x & 1)
- res++;
- x >>= 1;
- }
- return res;
-}
-
-/* Record 64-bit register. */
-
-static int
-s390_record_gpr_g (struct gdbarch *gdbarch, struct regcache *regcache, int i)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
- return -1;
- if (tdep->abi == ABI_LINUX_S390)
- if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
- return -1;
- return 0;
-}
-
-/* Record high 32 bits of a register. */
-
-static int
-s390_record_gpr_h (struct gdbarch *gdbarch, struct regcache *regcache, int i)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- if (tdep->abi == ABI_LINUX_S390)
- {
- if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
- return -1;
- }
- else
- {
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
- return -1;
- }
- return 0;
-}
-
-/* Record vector register. */
-
-static int
-s390_record_vr (struct gdbarch *gdbarch, struct regcache *regcache, int i)
-{
- if (i < 16)
- {
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i))
- return -1;
- }
- else
- {
- if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i - 16))
- return -1;
- }
- return 0;
-}
-
-static int
-s390_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
- CORE_ADDR addr)
-{
- uint16_t insn[3] = {0};
- /* Instruction as bytes. */
- uint8_t ibyte[6];
- /* Instruction as nibbles. */
- uint8_t inib[12];
- /* Instruction vector registers. */
- uint8_t ivec[4];
- CORE_ADDR oaddr, oaddr2, oaddr3;
- ULONGEST tmp;
- int i, n;
- /* if EX/EXRL instruction used, here's the reg parameter */
- int ex = -1;
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
-
- /* Attempting to use EX or EXRL jumps back here */
-ex:
-
- /* Read instruction. */
- insn[0] = read_memory_unsigned_integer (addr, 2, byte_order);
- /* If execute was involved, do the adjustment. */
- if (ex != -1)
- insn[0] |= ex & 0xff;
- /* Two highest bits determine instruction size. */
- if (insn[0] >= 0x4000)
- insn[1] = read_memory_unsigned_integer (addr+2, 2, byte_order);
- else
- /* Not necessary, but avoids uninitialized variable warnings. */
- insn[1] = 0;
- if (insn[0] >= 0xc000)
- insn[2] = read_memory_unsigned_integer (addr+4, 2, byte_order);
- else
- insn[2] = 0;
- /* Split instruction into bytes and nibbles. */
- for (i = 0; i < 3; i++)
- {
- ibyte[i*2] = insn[i] >> 8 & 0xff;
- ibyte[i*2+1] = insn[i] & 0xff;
- }
- for (i = 0; i < 6; i++)
- {
- inib[i*2] = ibyte[i] >> 4 & 0xf;
- inib[i*2+1] = ibyte[i] & 0xf;
- }
- /* Compute vector registers, if applicable. */
- ivec[0] = (inib[9] >> 3 & 1) << 4 | inib[2];
- ivec[1] = (inib[9] >> 2 & 1) << 4 | inib[3];
- ivec[2] = (inib[9] >> 1 & 1) << 4 | inib[4];
- ivec[3] = (inib[9] >> 0 & 1) << 4 | inib[8];
-
- switch (ibyte[0])
- {
- /* 0x00 undefined */
-
- case 0x01:
- /* E-format instruction */
- switch (ibyte[1])
- {
- /* 0x00 undefined */
- /* 0x01 unsupported: PR - program return */
- /* 0x02 unsupported: UPT */
- /* 0x03 undefined */
- /* 0x04 privileged: PTFF - perform timing facility function */
- /* 0x05-0x06 undefined */
- /* 0x07 privileged: SCKPF - set clock programmable field */
- /* 0x08-0x09 undefined */
-
- case 0x0a: /* PFPO - perform floating point operation */
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
- if (!(tmp & 0x80000000u))
- {
- uint8_t ofc = tmp >> 16 & 0xff;
- switch (ofc)
- {
- case 0x00: /* HFP32 */
- case 0x01: /* HFP64 */
- case 0x05: /* BFP32 */
- case 0x06: /* BFP64 */
- case 0x08: /* DFP32 */
- case 0x09: /* DFP64 */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM))
- return -1;
- break;
- case 0x02: /* HFP128 */
- case 0x07: /* BFP128 */
- case 0x0a: /* DFP128 */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_F2_REGNUM))
- return -1;
- break;
- default:
- fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PFPO OFC %02x at %s.\n",
- ofc, paddress (gdbarch, addr));
- return -1;
- }
-
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- }
- if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0x0b: /* TAM - test address mode */
- case 0x0c: /* SAM24 - set address mode 24 */
- case 0x0d: /* SAM31 - set address mode 31 */
- case 0x0e: /* SAM64 - set address mode 64 */
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0x0f-0xfe undefined */
-
- /* 0xff unsupported: TRAP */
-
- default:
- goto UNKNOWN_OP;
- }
- break;
-
- /* 0x02 undefined */
- /* 0x03 undefined */
-
- case 0x04: /* SPM - set program mask */
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0x05: /* BALR - branch and link */
- case 0x45: /* BAL - branch and link */
- case 0x06: /* BCTR - branch on count */
- case 0x46: /* BCT - branch on count */
- case 0x0d: /* BASR - branch and save */
- case 0x4d: /* BAS - branch and save */
- case 0x84: /* BRXH - branch relative on index high */
- case 0x85: /* BRXLE - branch relative on index low or equal */
- case 0x86: /* BXH - branch on index high */
- case 0x87: /* BXLE - branch on index low or equal */
- /* BA[SL]* use native-size destination for linkage info, BCT*, BRX*, BX*
- use 32-bit destination as counter. */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- break;
-
- case 0x07: /* BCR - branch on condition */
- case 0x47: /* BC - branch on condition */
- /* No effect other than PC transfer. */
- break;
-
- /* 0x08 undefined */
- /* 0x09 undefined */
-
- case 0x0a:
- /* SVC - supervisor call */
- if (s390_linux_syscall_record (regcache, ibyte[1]))
- return -1;
- break;
-
- case 0x0b: /* BSM - branch and set mode */
- if (inib[2])
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0x0c: /* BASSM - branch and save and set mode */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0x0e: /* MVCL - move long [interruptible] */
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
- oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp);
- tmp &= 0xffffff;
- if (record_full_arch_list_add_mem (oaddr, tmp))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0x0f: /* CLCL - compare logical long [interruptible] */
- case 0xa9: /* CLCLE - compare logical long extended [partial] */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0x10: /* LPR - load positive */
- case 0x11: /* LNR - load negative */
- case 0x12: /* LTR - load and test */
- case 0x13: /* LCR - load complement */
- case 0x14: /* NR - and */
- case 0x16: /* OR - or */
- case 0x17: /* XR - xor */
- case 0x1a: /* AR - add */
- case 0x1b: /* SR - subtract */
- case 0x1e: /* ALR - add logical */
- case 0x1f: /* SLR - subtract logical */
- case 0x54: /* N - and */
- case 0x56: /* O - or */
- case 0x57: /* X - xor */
- case 0x5a: /* A - add */
- case 0x5b: /* S - subtract */
- case 0x5e: /* AL - add logical */
- case 0x5f: /* SL - subtract logical */
- case 0x4a: /* AH - add halfword */
- case 0x4b: /* SH - subtract halfword */
- case 0x8a: /* SRA - shift right single */
- case 0x8b: /* SLA - shift left single */
- case 0xbf: /* ICM - insert characters under mask */
- /* 32-bit destination + flags */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0x15: /* CLR - compare logical */
- case 0x55: /* CL - compare logical */
- case 0x19: /* CR - compare */
- case 0x29: /* CDR - compare */
- case 0x39: /* CER - compare */
- case 0x49: /* CH - compare halfword */
- case 0x59: /* C - compare */
- case 0x69: /* CD - compare */
- case 0x79: /* CE - compare */
- case 0x91: /* TM - test under mask */
- case 0x95: /* CLI - compare logical */
- case 0xbd: /* CLM - compare logical under mask */
- case 0xd5: /* CLC - compare logical */
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0x18: /* LR - load */
- case 0x48: /* LH - load halfword */
- case 0x58: /* L - load */
- case 0x41: /* LA - load address */
- case 0x43: /* IC - insert character */
- case 0x4c: /* MH - multiply halfword */
- case 0x71: /* MS - multiply single */
- case 0x88: /* SRL - shift right single logical */
- case 0x89: /* SLL - shift left single logical */
- /* 32-bit, 8-bit (IC), or native width (LA) destination, no flags */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- break;
-
- case 0x1c: /* MR - multiply */
- case 0x5c: /* M - multiply */
- case 0x1d: /* DR - divide */
- case 0x5d: /* D - divide */
- case 0x8c: /* SRDL - shift right double logical */
- case 0x8d: /* SLDL - shift left double logical */
- /* 32-bit pair destination, no flags */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
- return -1;
- break;
-
- case 0x20: /* LPDR - load positive */
- case 0x30: /* LPER - load positive */
- case 0x21: /* LNDR - load negative */
- case 0x31: /* LNER - load negative */
- case 0x22: /* LTDR - load and test */
- case 0x32: /* LTER - load and test */
- case 0x23: /* LCDR - load complement */
- case 0x33: /* LCER - load complement */
- case 0x2a: /* ADR - add */
- case 0x3a: /* AER - add */
- case 0x6a: /* AD - add */
- case 0x7a: /* AE - add */
- case 0x2b: /* SDR - subtract */
- case 0x3b: /* SER - subtract */
- case 0x6b: /* SD - subtract */
- case 0x7b: /* SE - subtract */
- case 0x2e: /* AWR - add unnormalized */
- case 0x3e: /* AUR - add unnormalized */
- case 0x6e: /* AW - add unnormalized */
- case 0x7e: /* AU - add unnormalized */
- case 0x2f: /* SWR - subtract unnormalized */
- case 0x3f: /* SUR - subtract unnormalized */
- case 0x6f: /* SW - subtract unnormalized */
- case 0x7f: /* SU - subtract unnormalized */
- /* float destination + flags */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0x24: /* HDR - halve */
- case 0x34: /* HER - halve */
- case 0x25: /* LDXR - load rounded */
- case 0x35: /* LEDR - load rounded */
- case 0x28: /* LDR - load */
- case 0x38: /* LER - load */
- case 0x68: /* LD - load */
- case 0x78: /* LE - load */
- case 0x2c: /* MDR - multiply */
- case 0x3c: /* MDER - multiply */
- case 0x6c: /* MD - multiply */
- case 0x7c: /* MDE - multiply */
- case 0x2d: /* DDR - divide */
- case 0x3d: /* DER - divide */
- case 0x6d: /* DD - divide */
- case 0x7d: /* DE - divide */
- /* float destination, no flags */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
- return -1;
- break;
-
- case 0x26: /* MXR - multiply */
- case 0x27: /* MXDR - multiply */
- case 0x67: /* MXD - multiply */
- /* float pair destination, no flags */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
- return -1;
- break;
-
- case 0x36: /* AXR - add */
- case 0x37: /* SXR - subtract */
- /* float pair destination + flags */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0x40: /* STH - store halfword */
- oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 2))
- return -1;
- break;
-
- case 0x42: /* STC - store character */
- oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 1))
- return -1;
- break;
-
- case 0x44: /* EX - execute */
- if (ex != -1)
- {
- fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n",
- paddress (gdbarch, addr));
- return -1;
- }
- addr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
- if (inib[2])
- {
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
- ex = tmp & 0xff;
- }
- else
- {
- ex = 0;
- }
- goto ex;
-
- case 0x4e: /* CVD - convert to decimal */
- case 0x60: /* STD - store */
- oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 8))
- return -1;
- break;
-
- case 0x4f: /* CVB - convert to binary */
- /* 32-bit gpr destination + FPC (DXC write) */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0x50: /* ST - store */
- case 0x70: /* STE - store */
- oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 4))
- return -1;
- break;
-
- case 0x51: /* LAE - load address extended */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2]))
- return -1;
- break;
-
- /* 0x52 undefined */
- /* 0x53 undefined */
-
- /* 0x61-0x66 undefined */
-
- /* 0x72-0x77 undefined */
-
- /* 0x80 privileged: SSM - set system mask */
- /* 0x81 undefined */
- /* 0x82 privileged: LPSW - load PSW */
- /* 0x83 privileged: diagnose */
-
- case 0x8e: /* SRDA - shift right double */
- case 0x8f: /* SLDA - shift left double */
- /* 32-bit pair destination + flags */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0x90: /* STM - store multiple */
- case 0x9b: /* STAM - store access multiple */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (inib[2] <= inib[3])
- n = inib[3] - inib[2] + 1;
- else
- n = inib[3] + 0x10 - inib[2] + 1;
- if (record_full_arch_list_add_mem (oaddr, n * 4))
- return -1;
- break;
-
- case 0x92: /* MVI - move */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 1))
- return -1;
- break;
-
- case 0x93: /* TS - test and set */
- case 0x94: /* NI - and */
- case 0x96: /* OI - or */
- case 0x97: /* XI - xor */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 1))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0x98: /* LM - load multiple */
- for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
- return -1;
- break;
-
- /* 0x99 privileged: TRACE */
-
- case 0x9a: /* LAM - load access multiple */
- for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
- if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3]))
- return -1;
- break;
-
- /* 0x9c-0x9f privileged and obsolete (old I/O) */
- /* 0xa0-0xa4 undefined */
-
- case 0xa5:
- case 0xa7:
- /* RI-format instruction */
- switch (ibyte[0] << 4 | inib[3])
- {
- case 0xa50: /* IIHH - insert immediate */
- case 0xa51: /* IIHL - insert immediate */
- /* high 32-bit destination */
- if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
- return -1;
- break;
-
- case 0xa52: /* IILH - insert immediate */
- case 0xa53: /* IILL - insert immediate */
- case 0xa75: /* BRAS - branch relative and save */
- case 0xa76: /* BRCT - branch relative on count */
- case 0xa78: /* LHI - load halfword immediate */
- case 0xa7c: /* MHI - multiply halfword immediate */
- /* 32-bit or native destination */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- break;
-
- case 0xa54: /* NIHH - and immediate */
- case 0xa55: /* NIHL - and immediate */
- case 0xa58: /* OIHH - or immediate */
- case 0xa59: /* OIHL - or immediate */
- /* high 32-bit destination + flags */
- if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xa56: /* NILH - and immediate */
- case 0xa57: /* NILL - and immediate */
- case 0xa5a: /* OILH - or immediate */
- case 0xa5b: /* OILL - or immediate */
- case 0xa7a: /* AHI - add halfword immediate */
- /* 32-bit destination + flags */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xa5c: /* LLIHH - load logical immediate */
- case 0xa5d: /* LLIHL - load logical immediate */
- case 0xa5e: /* LLILH - load logical immediate */
- case 0xa5f: /* LLILL - load logical immediate */
- case 0xa77: /* BRCTG - branch relative on count */
- case 0xa79: /* LGHI - load halfword immediate */
- case 0xa7d: /* MGHI - multiply halfword immediate */
- /* 64-bit destination */
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- break;
-
- case 0xa70: /* TMLH - test under mask */
- case 0xa71: /* TMLL - test under mask */
- case 0xa72: /* TMHH - test under mask */
- case 0xa73: /* TMHL - test under mask */
- case 0xa7e: /* CHI - compare halfword immediate */
- case 0xa7f: /* CGHI - compare halfword immediate */
- /* flags only */
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xa74: /* BRC - branch relative on condition */
- /* no register change */
- break;
-
- case 0xa7b: /* AGHI - add halfword immediate */
- /* 64-bit destination + flags */
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- default:
- goto UNKNOWN_OP;
- }
- break;
-
- /* 0xa6 undefined */
-
- case 0xa8: /* MVCLE - move long extended [partial] */
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
- oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp);
- if (record_full_arch_list_add_mem (oaddr, tmp))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xaa-0xab undefined */
- /* 0xac privileged: STNSM - store then and system mask */
- /* 0xad privileged: STOSM - store then or system mask */
- /* 0xae privileged: SIGP - signal processor */
- /* 0xaf unsupported: MC - monitor call */
- /* 0xb0 undefined */
- /* 0xb1 privileged: LRA - load real address */
-
- case 0xb2:
- case 0xb3:
- case 0xb9:
- /* S/RRD/RRE/RRF/IE-format instruction */
- switch (insn[0])
- {
- /* 0xb200-0xb204 undefined or privileged */
-
- case 0xb205: /* STCK - store clock */
- case 0xb27c: /* STCKF - store clock fast */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 8))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xb206-0xb219 undefined, privileged, or unsupported */
- /* 0xb21a unsupported: CFC */
- /* 0xb21b-0xb221 undefined or privileged */
-
- case 0xb222: /* IPM - insert program mask */
- case 0xb24f: /* EAR - extract access */
- case 0xb252: /* MSR - multiply single */
- case 0xb2ec: /* ETND - extract transaction nesting depth */
- case 0xb38c: /* EFPC - extract fpc */
- case 0xb91f: /* LRVR - load reversed */
- case 0xb926: /* LBR - load byte */
- case 0xb927: /* LHR - load halfword */
- case 0xb994: /* LLCR - load logical character */
- case 0xb995: /* LLHR - load logical halfword */
- case 0xb9f2: /* LOCR - load on condition */
- /* 32-bit gpr destination */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- break;
-
- /* 0xb223-0xb22c privileged or unsupported */
-
- case 0xb22d: /* DXR - divide */
- case 0xb325: /* LXDR - load lengthened */
- case 0xb326: /* LXER - load lengthened */
- case 0xb336: /* SQXR - square root */
- case 0xb365: /* LXR - load */
- case 0xb367: /* FIXR - load fp integer */
- case 0xb376: /* LZXR - load zero */
- case 0xb3b6: /* CXFR - convert from fixed */
- case 0xb3c6: /* CXGR - convert from fixed */
- case 0xb3fe: /* IEXTR - insert biased exponent */
- /* float pair destination */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
- return -1;
- break;
-
- /* 0xb22e-0xb240 undefined, privileged, or unsupported */
-
- case 0xb241: /* CKSM - checksum [partial] */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xb242-0xb243 undefined */
-
- case 0xb244: /* SQDR - square root */
- case 0xb245: /* SQER - square root */
- case 0xb324: /* LDER - load lengthened */
- case 0xb337: /* MEER - multiply */
- case 0xb366: /* LEXR - load rounded */
- case 0xb370: /* LPDFR - load positive */
- case 0xb371: /* LNDFR - load negative */
- case 0xb372: /* CSDFR - copy sign */
- case 0xb373: /* LCDFR - load complement */
- case 0xb374: /* LZER - load zero */
- case 0xb375: /* LZDR - load zero */
- case 0xb377: /* FIER - load fp integer */
- case 0xb37f: /* FIDR - load fp integer */
- case 0xb3b4: /* CEFR - convert from fixed */
- case 0xb3b5: /* CDFR - convert from fixed */
- case 0xb3c1: /* LDGR - load fpr from gr */
- case 0xb3c4: /* CEGR - convert from fixed */
- case 0xb3c5: /* CDGR - convert from fixed */
- case 0xb3f6: /* IEDTR - insert biased exponent */
- /* float destination */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
- return -1;
- break;
-
- /* 0xb246-0xb24c: privileged or unsupported */
-
- case 0xb24d: /* CPYA - copy access */
- case 0xb24e: /* SAR - set access */
- if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[6]))
- return -1;
- break;
-
- /* 0xb250-0xb251 undefined or privileged */
- /* 0xb253-0xb254 undefined or privileged */
-
- case 0xb255: /* MVST - move string [partial] */
- {
- uint8_t end;
- gdb_byte cur;
- ULONGEST num = 0;
- /* Read ending byte. */
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
- end = tmp & 0xff;
- /* Get address of second operand. */
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[7], &tmp);
- oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
- /* Search for ending byte and compute length. */
- do {
- num++;
- if (target_read_memory (oaddr, &cur, 1))
- return -1;
- oaddr++;
- } while (cur != end);
- /* Get address of first operand and record it. */
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
- oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
- if (record_full_arch_list_add_mem (oaddr, num))
- return -1;
- /* Record the registers. */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- }
- break;
-
- /* 0xb256 undefined */
-
- case 0xb257: /* CUSE - compare until substring equal [interruptible] */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xb258-0xb25c undefined, privileged, or unsupported */
-
- case 0xb25d: /* CLST - compare logical string [partial] */
- case 0xb25e: /* SRST - search string [partial] */
- case 0xb9be: /* SRSTU - search string unicode [partial] */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xb25f-0xb262 undefined */
-
- case 0xb263: /* CMPSC - compression call [interruptible] */
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
- oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
- if (record_full_arch_list_add_mem (oaddr, tmp))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
- return -1;
- /* DXC may be written */
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xb264-0xb277 undefined, privileged, or unsupported */
-
- case 0xb278: /* STCKE - store clock extended */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 16))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xb279-0xb27b undefined or unsupported */
- /* 0xb27d-0xb298 undefined or privileged */
-
- case 0xb299: /* SRNM - set rounding mode */
- case 0xb2b8: /* SRNMB - set bfp rounding mode */
- case 0xb2b9: /* SRNMT - set dfp rounding mode */
- case 0xb29d: /* LFPC - load fpc */
- case 0xb2bd: /* LFAS - load fpc and signal */
- case 0xb384: /* SFPC - set fpc */
- case 0xb385: /* SFASR - set fpc and signal */
- case 0xb960: /* CGRT - compare and trap */
- case 0xb961: /* CLGRT - compare logical and trap */
- case 0xb972: /* CRT - compare and trap */
- case 0xb973: /* CLRT - compare logical and trap */
- /* fpc only - including possible DXC write for trapping insns */
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xb29a-0xb29b undefined */
-
- case 0xb29c: /* STFPC - store fpc */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 4))
- return -1;
- break;
-
- /* 0xb29e-0xb2a4 undefined */
-
- case 0xb2a5: /* TRE - translate extended [partial] */
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
- oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
- if (record_full_arch_list_add_mem (oaddr, tmp))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xb2a6: /* CU21 - convert UTF-16 to UTF-8 [partial] */
- case 0xb2a7: /* CU12 - convert UTF-8 to UTF-16 [partial] */
- case 0xb9b0: /* CU14 - convert UTF-8 to UTF-32 [partial] */
- case 0xb9b1: /* CU24 - convert UTF-16 to UTF-32 [partial] */
- case 0xb9b2: /* CU41 - convert UTF-32 to UTF-8 [partial] */
- case 0xb9b3: /* CU42 - convert UTF-32 to UTF-16 [partial] */
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
- oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
- if (record_full_arch_list_add_mem (oaddr, tmp))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xb2a8-0xb2af undefined */
-
- case 0xb2b0: /* STFLE - store facility list extended */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
- tmp &= 0xff;
- if (record_full_arch_list_add_mem (oaddr, 8 * (tmp + 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xb2b1-0xb2b7 undefined or privileged */
- /* 0xb2ba-0xb2bc undefined */
- /* 0xb2be-0xb2e7 undefined */
- /* 0xb2e9-0xb2eb undefined */
- /* 0xb2ed-0xb2f7 undefined */
- /* 0xb2f8 unsupported: TEND */
- /* 0xb2f9 undefined */
-
- case 0xb2e8: /* PPA - perform processor assist */
- case 0xb2fa: /* NIAI - next instruction access intent */
- /* no visible effects */
- break;
-
- /* 0xb2fb undefined */
- /* 0xb2fc unsupported: TABORT */
- /* 0xb2fd-0xb2fe undefined */
- /* 0xb2ff unsupported: TRAP */
-
- case 0xb300: /* LPEBR - load positive */
- case 0xb301: /* LNEBR - load negative */
- case 0xb303: /* LCEBR - load complement */
- case 0xb310: /* LPDBR - load positive */
- case 0xb311: /* LNDBR - load negative */
- case 0xb313: /* LCDBR - load complement */
- case 0xb350: /* TBEDR - convert hfp to bfp */
- case 0xb351: /* TBDR - convert hfp to bfp */
- case 0xb358: /* THDER - convert bfp to hfp */
- case 0xb359: /* THDR - convert bfp to hfp */
- /* float destination + flags */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xb304: /* LDEBR - load lengthened */
- case 0xb30c: /* MDEBR - multiply */
- case 0xb30d: /* DEBR - divide */
- case 0xb314: /* SQEBR - square root */
- case 0xb315: /* SQDBR - square root */
- case 0xb317: /* MEEBR - multiply */
- case 0xb31c: /* MDBR - multiply */
- case 0xb31d: /* DDBR - divide */
- case 0xb344: /* LEDBRA - load rounded */
- case 0xb345: /* LDXBRA - load rounded */
- case 0xb346: /* LEXBRA - load rounded */
- case 0xb357: /* FIEBRA - load fp integer */
- case 0xb35f: /* FIDBRA - load fp integer */
- case 0xb390: /* CELFBR - convert from logical */
- case 0xb391: /* CDLFBR - convert from logical */
- case 0xb394: /* CEFBR - convert from fixed */
- case 0xb395: /* CDFBR - convert from fixed */
- case 0xb3a0: /* CELGBR - convert from logical */
- case 0xb3a1: /* CDLGBR - convert from logical */
- case 0xb3a4: /* CEGBR - convert from fixed */
- case 0xb3a5: /* CDGBR - convert from fixed */
- case 0xb3d0: /* MDTR - multiply */
- case 0xb3d1: /* DDTR - divide */
- case 0xb3d4: /* LDETR - load lengthened */
- case 0xb3d5: /* LEDTR - load lengthened */
- case 0xb3d7: /* FIDTR - load fp integer */
- case 0xb3dd: /* LDXTR - load lengthened */
- case 0xb3f1: /* CDGTR - convert from fixed */
- case 0xb3f2: /* CDUTR - convert from unsigned packed */
- case 0xb3f3: /* CDSTR - convert from signed packed */
- case 0xb3f5: /* QADTR - quantize */
- case 0xb3f7: /* RRDTR - reround */
- case 0xb951: /* CDFTR - convert from fixed */
- case 0xb952: /* CDLGTR - convert from logical */
- case 0xb953: /* CDLFTR - convert from logical */
- /* float destination + fpc */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0xb305: /* LXDBR - load lengthened */
- case 0xb306: /* LXEBR - load lengthened */
- case 0xb307: /* MXDBR - multiply */
- case 0xb316: /* SQXBR - square root */
- case 0xb34c: /* MXBR - multiply */
- case 0xb34d: /* DXBR - divide */
- case 0xb347: /* FIXBRA - load fp integer */
- case 0xb392: /* CXLFBR - convert from logical */
- case 0xb396: /* CXFBR - convert from fixed */
- case 0xb3a2: /* CXLGBR - convert from logical */
- case 0xb3a6: /* CXGBR - convert from fixed */
- case 0xb3d8: /* MXTR - multiply */
- case 0xb3d9: /* DXTR - divide */
- case 0xb3dc: /* LXDTR - load lengthened */
- case 0xb3df: /* FIXTR - load fp integer */
- case 0xb3f9: /* CXGTR - convert from fixed */
- case 0xb3fa: /* CXUTR - convert from unsigned packed */
- case 0xb3fb: /* CXSTR - convert from signed packed */
- case 0xb3fd: /* QAXTR - quantize */
- case 0xb3ff: /* RRXTR - reround */
- case 0xb959: /* CXFTR - convert from fixed */
- case 0xb95a: /* CXLGTR - convert from logical */
- case 0xb95b: /* CXLFTR - convert from logical */
- /* float pair destination + fpc */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0xb308: /* KEBR - compare and signal */
- case 0xb309: /* CEBR - compare */
- case 0xb318: /* KDBR - compare and signal */
- case 0xb319: /* CDBR - compare */
- case 0xb348: /* KXBR - compare and signal */
- case 0xb349: /* CXBR - compare */
- case 0xb3e0: /* KDTR - compare and signal */
- case 0xb3e4: /* CDTR - compare */
- case 0xb3e8: /* KXTR - compare and signal */
- case 0xb3ec: /* CXTR - compare */
- /* flags + fpc only */
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0xb302: /* LTEBR - load and test */
- case 0xb312: /* LTDBR - load and test */
- case 0xb30a: /* AEBR - add */
- case 0xb30b: /* SEBR - subtract */
- case 0xb31a: /* ADBR - add */
- case 0xb31b: /* SDBR - subtract */
- case 0xb3d2: /* ADTR - add */
- case 0xb3d3: /* SDTR - subtract */
- case 0xb3d6: /* LTDTR - load and test */
- /* float destination + flags + fpc */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0xb30e: /* MAEBR - multiply and add */
- case 0xb30f: /* MSEBR - multiply and subtract */
- case 0xb31e: /* MADBR - multiply and add */
- case 0xb31f: /* MSDBR - multiply and subtract */
- /* float destination [RRD] + fpc */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xb320-0xb323 undefined */
- /* 0xb327-0xb32d undefined */
-
- case 0xb32e: /* MAER - multiply and add */
- case 0xb32f: /* MSER - multiply and subtract */
- case 0xb338: /* MAYLR - multiply and add unnormalized */
- case 0xb339: /* MYLR - multiply unnormalized */
- case 0xb33c: /* MAYHR - multiply and add unnormalized */
- case 0xb33d: /* MYHR - multiply unnormalized */
- case 0xb33e: /* MADR - multiply and add */
- case 0xb33f: /* MSDR - multiply and subtract */
- /* float destination [RRD] */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
- return -1;
- break;
-
- /* 0xb330-0xb335 undefined */
-
- case 0xb33a: /* MAYR - multiply and add unnormalized */
- case 0xb33b: /* MYR - multiply unnormalized */
- /* float pair destination [RRD] */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[4] | 2)))
- return -1;
- break;
-
- case 0xb340: /* LPXBR - load positive */
- case 0xb341: /* LNXBR - load negative */
- case 0xb343: /* LCXBR - load complement */
- case 0xb360: /* LPXR - load positive */
- case 0xb361: /* LNXR - load negative */
- case 0xb362: /* LTXR - load and test */
- case 0xb363: /* LCXR - load complement */
- /* float pair destination + flags */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xb342: /* LTXBR - load and test */
- case 0xb34a: /* AXBR - add */
- case 0xb34b: /* SXBR - subtract */
- case 0xb3da: /* AXTR - add */
- case 0xb3db: /* SXTR - subtract */
- case 0xb3de: /* LTXTR - load and test */
- /* float pair destination + flags + fpc */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xb34e-0xb34f undefined */
- /* 0xb352 undefined */
-
- case 0xb353: /* DIEBR - divide to integer */
- case 0xb35b: /* DIDBR - divide to integer */
- /* two float destinations + flags + fpc */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xb354-0xb356 undefined */
- /* 0xb35a undefined */
-
- /* 0xb35c-0xb35e undefined */
- /* 0xb364 undefined */
- /* 0xb368 undefined */
-
- case 0xb369: /* CXR - compare */
- case 0xb3f4: /* CEDTR - compare biased exponent */
- case 0xb3fc: /* CEXTR - compare biased exponent */
- case 0xb920: /* CGR - compare */
- case 0xb921: /* CLGR - compare logical */
- case 0xb930: /* CGFR - compare */
- case 0xb931: /* CLGFR - compare logical */
- case 0xb9cd: /* CHHR - compare high */
- case 0xb9cf: /* CLHHR - compare logical high */
- case 0xb9dd: /* CHLR - compare high */
- case 0xb9df: /* CLHLR - compare logical high */
- /* flags only */
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xb36a-0xb36f undefined */
- /* 0xb377-0xb37e undefined */
- /* 0xb380-0xb383 undefined */
- /* 0xb386-0xb38b undefined */
- /* 0xb38d-0xb38f undefined */
- /* 0xb393 undefined */
- /* 0xb397 undefined */
-
- case 0xb398: /* CFEBR - convert to fixed */
- case 0xb399: /* CFDBR - convert to fixed */
- case 0xb39a: /* CFXBR - convert to fixed */
- case 0xb39c: /* CLFEBR - convert to logical */
- case 0xb39d: /* CLFDBR - convert to logical */
- case 0xb39e: /* CLFXBR - convert to logical */
- case 0xb941: /* CFDTR - convert to fixed */
- case 0xb949: /* CFXTR - convert to fixed */
- case 0xb943: /* CLFDTR - convert to logical */
- case 0xb94b: /* CLFXTR - convert to logical */
- /* 32-bit gpr destination + flags + fpc */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xb39b undefined */
- /* 0xb39f undefined */
-
- /* 0xb3a3 undefined */
- /* 0xb3a7 undefined */
-
- case 0xb3a8: /* CGEBR - convert to fixed */
- case 0xb3a9: /* CGDBR - convert to fixed */
- case 0xb3aa: /* CGXBR - convert to fixed */
- case 0xb3ac: /* CLGEBR - convert to logical */
- case 0xb3ad: /* CLGDBR - convert to logical */
- case 0xb3ae: /* CLGXBR - convert to logical */
- case 0xb3e1: /* CGDTR - convert to fixed */
- case 0xb3e9: /* CGXTR - convert to fixed */
- case 0xb942: /* CLGDTR - convert to logical */
- case 0xb94a: /* CLGXTR - convert to logical */
- /* 64-bit gpr destination + flags + fpc */
- if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xb3ab undefined */
- /* 0xb3af-0xb3b3 undefined */
- /* 0xb3b7 undefined */
-
- case 0xb3b8: /* CFER - convert to fixed */
- case 0xb3b9: /* CFDR - convert to fixed */
- case 0xb3ba: /* CFXR - convert to fixed */
- case 0xb998: /* ALCR - add logical with carry */
- case 0xb999: /* SLBR - subtract logical with borrow */
- case 0xb9f4: /* NRK - and */
- case 0xb9f6: /* ORK - or */
- case 0xb9f7: /* XRK - xor */
- case 0xb9f8: /* ARK - add */
- case 0xb9f9: /* SRK - subtract */
- case 0xb9fa: /* ALRK - add logical */
- case 0xb9fb: /* SLRK - subtract logical */
- /* 32-bit gpr destination + flags */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xb3c8: /* CGER - convert to fixed */
- case 0xb3c9: /* CGDR - convert to fixed */
- case 0xb3ca: /* CGXR - convert to fixed */
- case 0xb900: /* LPGR - load positive */
- case 0xb901: /* LNGR - load negative */
- case 0xb902: /* LTGR - load and test */
- case 0xb903: /* LCGR - load complement */
- case 0xb908: /* AGR - add */
- case 0xb909: /* SGR - subtract */
- case 0xb90a: /* ALGR - add logical */
- case 0xb90b: /* SLGR - subtract logical */
- case 0xb910: /* LPGFR - load positive */
- case 0xb911: /* LNGFR - load negative */
- case 0xb912: /* LTGFR - load and test */
- case 0xb913: /* LCGFR - load complement */
- case 0xb918: /* AGFR - add */
- case 0xb919: /* SGFR - subtract */
- case 0xb91a: /* ALGFR - add logical */
- case 0xb91b: /* SLGFR - subtract logical */
- case 0xb980: /* NGR - and */
- case 0xb981: /* OGR - or */
- case 0xb982: /* XGR - xor */
- case 0xb988: /* ALCGR - add logical with carry */
- case 0xb989: /* SLBGR - subtract logical with borrow */
- case 0xb9e1: /* POPCNT - population count */
- case 0xb9e4: /* NGRK - and */
- case 0xb9e6: /* OGRK - or */
- case 0xb9e7: /* XGRK - xor */
- case 0xb9e8: /* AGRK - add */
- case 0xb9e9: /* SGRK - subtract */
- case 0xb9ea: /* ALGRK - add logical */
- case 0xb9eb: /* SLGRK - subtract logical */
- /* 64-bit gpr destination + flags */
- if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xb3bb-0xb3c0 undefined */
- /* 0xb3c2-0xb3c3 undefined */
- /* 0xb3c7 undefined */
- /* 0xb3cb-0xb3cc undefined */
-
- case 0xb3cd: /* LGDR - load gr from fpr */
- case 0xb3e2: /* CUDTR - convert to unsigned packed */
- case 0xb3e3: /* CSDTR - convert to signed packed */
- case 0xb3e5: /* EEDTR - extract biased exponent */
- case 0xb3e7: /* ESDTR - extract significance */
- case 0xb3ed: /* EEXTR - extract biased exponent */
- case 0xb3ef: /* ESXTR - extract significance */
- case 0xb904: /* LGR - load */
- case 0xb906: /* LGBR - load byte */
- case 0xb907: /* LGHR - load halfword */
- case 0xb90c: /* MSGR - multiply single */
- case 0xb90f: /* LRVGR - load reversed */
- case 0xb914: /* LGFR - load */
- case 0xb916: /* LLGFR - load logical */
- case 0xb917: /* LLGTR - load logical thirty one bits */
- case 0xb91c: /* MSGFR - load */
- case 0xb946: /* BCTGR - branch on count */
- case 0xb984: /* LLGCR - load logical character */
- case 0xb985: /* LLGHR - load logical halfword */
- case 0xb9e2: /* LOCGR - load on condition */
- /* 64-bit gpr destination */
- if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
- return -1;
- break;
-
- /* 0xb3ce-0xb3cf undefined */
- /* 0xb3e6 undefined */
-
- case 0xb3ea: /* CUXTR - convert to unsigned packed */
- case 0xb3eb: /* CSXTR - convert to signed packed */
- case 0xb90d: /* DSGR - divide single */
- case 0xb91d: /* DSGFR - divide single */
- case 0xb986: /* MLGR - multiply logical */
- case 0xb987: /* DLGR - divide logical */
- /* 64-bit gpr pair destination */
- if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
- return -1;
- if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1))
- return -1;
- break;
-
- /* 0xb3ee undefined */
- /* 0xb3f0 undefined */
- /* 0xb3f8 undefined */
-
- /* 0xb905 privileged */
-
- /* 0xb90e unsupported: EREGG */
-
- /* 0xb915 undefined */
-
- case 0xb91e: /* KMAC - compute message authentication code [partial] */
- regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
- oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
- tmp &= 0xff;
- switch (tmp)
- {
- case 0x00: /* KMAC-Query */
- if (record_full_arch_list_add_mem (oaddr, 16))
- return -1;
- break;
-
- case 0x01: /* KMAC-DEA */
- case 0x02: /* KMAC-TDEA-128 */
- case 0x03: /* KMAC-TDEA-192 */
- case 0x09: /* KMAC-Encrypted-DEA */
- case 0x0a: /* KMAC-Encrypted-TDEA-128 */
- case 0x0b: /* KMAC-Encrypted-TDEA-192 */
- if (record_full_arch_list_add_mem (oaddr, 8))
- return -1;
- break;
-
- case 0x12: /* KMAC-AES-128 */
- case 0x13: /* KMAC-AES-192 */
- case 0x14: /* KMAC-AES-256 */
- case 0x1a: /* KMAC-Encrypted-AES-128 */
- case 0x1b: /* KMAC-Encrypted-AES-192 */
- case 0x1c: /* KMAC-Encrypted-AES-256 */
- if (record_full_arch_list_add_mem (oaddr, 16))
- return -1;
- break;
-
- default:
- fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n",
- (int)tmp, paddress (gdbarch, addr));
- return -1;
- }
- if (tmp != 0)
- {
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
- return -1;
- }
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xb922-0xb924 undefined */
- /* 0xb925 privileged */
- /* 0xb928 privileged */
- /* 0xb929 undefined */
-
- case 0xb92a: /* KMF - cipher message with cipher feedback [partial] */
- case 0xb92b: /* KMO - cipher message with output feedback [partial] */
- case 0xb92f: /* KMC - cipher message with chaining [partial] */
- regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
- oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
- tmp &= 0x7f;
- switch (tmp)
- {
- case 0x00: /* KM*-Query */
- if (record_full_arch_list_add_mem (oaddr, 16))
- return -1;
- break;
-
- case 0x01: /* KM*-DEA */
- case 0x02: /* KM*-TDEA-128 */
- case 0x03: /* KM*-TDEA-192 */
- case 0x09: /* KM*-Encrypted-DEA */
- case 0x0a: /* KM*-Encrypted-TDEA-128 */
- case 0x0b: /* KM*-Encrypted-TDEA-192 */
- if (record_full_arch_list_add_mem (oaddr, 8))
- return -1;
- break;
-
- case 0x12: /* KM*-AES-128 */
- case 0x13: /* KM*-AES-192 */
- case 0x14: /* KM*-AES-256 */
- case 0x1a: /* KM*-Encrypted-AES-128 */
- case 0x1b: /* KM*-Encrypted-AES-192 */
- case 0x1c: /* KM*-Encrypted-AES-256 */
- if (record_full_arch_list_add_mem (oaddr, 16))
- return -1;
- break;
-
- case 0x43: /* KMC-PRNG */
- /* Only valid for KMC. */
- if (insn[0] == 0xb92f)
- {
- if (record_full_arch_list_add_mem (oaddr, 8))
- return -1;
- break;
- }
- /* For other instructions, fallthru. */
- default:
- fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM* function %02x at %s.\n",
- (int)tmp, paddress (gdbarch, addr));
- return -1;
- }
- if (tmp != 0)
- {
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
- oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp);
- if (record_full_arch_list_add_mem (oaddr2, tmp))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
- return -1;
- }
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xb92c: /* PCC - perform cryptographic computation [partial] */
- regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
- oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
- tmp &= 0x7f;
- switch (tmp)
- {
- case 0x00: /* PCC-Query */
- if (record_full_arch_list_add_mem (oaddr, 16))
- return -1;
- break;
-
- case 0x01: /* PCC-Compute-Last-Block-CMAC-Using-DEA */
- case 0x02: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-128 */
- case 0x03: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-192 */
- case 0x09: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-DEA */
- case 0x0a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-128 */
- case 0x0b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-192 */
- if (record_full_arch_list_add_mem (oaddr + 0x10, 8))
- return -1;
- break;
-
- case 0x12: /* PCC-Compute-Last-Block-CMAC-Using-AES-128 */
- case 0x13: /* PCC-Compute-Last-Block-CMAC-Using-AES-192 */
- case 0x14: /* PCC-Compute-Last-Block-CMAC-Using-AES-256 */
- case 0x1a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-128 */
- case 0x1b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-192 */
- case 0x1c: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-256 */
- if (record_full_arch_list_add_mem (oaddr + 0x18, 16))
- return -1;
- break;
-
- case 0x32: /* PCC-Compute-XTS-Parameter-Using-AES-128 */
- if (record_full_arch_list_add_mem (oaddr + 0x30, 32))
- return -1;
- break;
-
- case 0x34: /* PCC-Compute-XTS-Parameter-Using-AES-256 */
- if (record_full_arch_list_add_mem (oaddr + 0x40, 32))
- return -1;
- break;
-
- case 0x3a: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-128 */
- if (record_full_arch_list_add_mem (oaddr + 0x50, 32))
- return -1;
- break;
-
- case 0x3c: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-256 */
- if (record_full_arch_list_add_mem (oaddr + 0x60, 32))
- return -1;
- break;
-
- default:
- fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PCC function %02x at %s.\n",
- (int)tmp, paddress (gdbarch, addr));
- return -1;
- }
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xb92d: /* KMCTR - cipher message with counter [partial] */
- regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
- oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
- tmp &= 0x7f;
- switch (tmp)
- {
- case 0x00: /* KMCTR-Query */
- if (record_full_arch_list_add_mem (oaddr, 16))
- return -1;
- break;
-
- case 0x01: /* KMCTR-DEA */
- case 0x02: /* KMCTR-TDEA-128 */
- case 0x03: /* KMCTR-TDEA-192 */
- case 0x09: /* KMCTR-Encrypted-DEA */
- case 0x0a: /* KMCTR-Encrypted-TDEA-128 */
- case 0x0b: /* KMCTR-Encrypted-TDEA-192 */
- case 0x12: /* KMCTR-AES-128 */
- case 0x13: /* KMCTR-AES-192 */
- case 0x14: /* KMCTR-AES-256 */
- case 0x1a: /* KMCTR-Encrypted-AES-128 */
- case 0x1b: /* KMCTR-Encrypted-AES-192 */
- case 0x1c: /* KMCTR-Encrypted-AES-256 */
- break;
-
- default:
- fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMCTR function %02x at %s.\n",
- (int)tmp, paddress (gdbarch, addr));
- return -1;
- }
- if (tmp != 0)
- {
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
- oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp);
- if (record_full_arch_list_add_mem (oaddr2, tmp))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[4]))
- return -1;
- }
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xb92e: /* KM - cipher message [partial] */
- regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
- oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
- tmp &= 0x7f;
- switch (tmp)
- {
- case 0x00: /* KM-Query */
- if (record_full_arch_list_add_mem (oaddr, 16))
- return -1;
- break;
-
- case 0x01: /* KM-DEA */
- case 0x02: /* KM-TDEA-128 */
- case 0x03: /* KM-TDEA-192 */
- case 0x09: /* KM-Encrypted-DEA */
- case 0x0a: /* KM-Encrypted-TDEA-128 */
- case 0x0b: /* KM-Encrypted-TDEA-192 */
- case 0x12: /* KM-AES-128 */
- case 0x13: /* KM-AES-192 */
- case 0x14: /* KM-AES-256 */
- case 0x1a: /* KM-Encrypted-AES-128 */
- case 0x1b: /* KM-Encrypted-AES-192 */
- case 0x1c: /* KM-Encrypted-AES-256 */
- break;
-
- case 0x32: /* KM-XTS-AES-128 */
- if (record_full_arch_list_add_mem (oaddr + 0x10, 16))
- return -1;
- break;
-
- case 0x34: /* KM-XTS-AES-256 */
- if (record_full_arch_list_add_mem (oaddr + 0x20, 16))
- return -1;
- break;
-
- case 0x3a: /* KM-XTS-Encrypted-AES-128 */
- if (record_full_arch_list_add_mem (oaddr + 0x30, 16))
- return -1;
- break;
-
- case 0x3c: /* KM-XTS-Encrypted-AES-256 */
- if (record_full_arch_list_add_mem (oaddr + 0x40, 16))
- return -1;
- break;
-
- default:
- fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM function %02x at %s.\n",
- (int)tmp, paddress (gdbarch, addr));
- return -1;
- }
- if (tmp != 0)
- {
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
- oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp);
- if (record_full_arch_list_add_mem (oaddr2, tmp))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
- return -1;
- }
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xb932-0xb93b undefined */
-
- case 0xb93c: /* PPNO - perform pseudorandom number operation [partial] */
- regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
- oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
- tmp &= 0xff;
- switch (tmp)
- {
- case 0x00: /* PPNO-Query */
- case 0x80: /* PPNO-Query */
- if (record_full_arch_list_add_mem (oaddr, 16))
- return -1;
- break;
-
- case 0x03: /* PPNO-SHA-512-DRNG - generate */
- if (record_full_arch_list_add_mem (oaddr, 240))
- return -1;
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
- oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
- if (record_full_arch_list_add_mem (oaddr2, tmp))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
- return -1;
- break;
-
- case 0x83: /* PPNO-SHA-512-DRNG - seed */
- if (record_full_arch_list_add_mem (oaddr, 240))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
- return -1;
- break;
-
- default:
- fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PPNO function %02x at %s.\n",
- (int)tmp, paddress (gdbarch, addr));
- return -1;
- }
- /* DXC may be written */
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xb93d undefined */
-
- case 0xb93e: /* KIMD - compute intermediate message digest [partial] */
- case 0xb93f: /* KLMD - compute last message digest [partial] */
- regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
- oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
- tmp &= 0xff;
- switch (tmp)
- {
- case 0x00: /* K*MD-Query */
- if (record_full_arch_list_add_mem (oaddr, 16))
- return -1;
- break;
-
- case 0x01: /* K*MD-SHA-1 */
- if (record_full_arch_list_add_mem (oaddr, 20))
- return -1;
- break;
-
- case 0x02: /* K*MD-SHA-256 */
- if (record_full_arch_list_add_mem (oaddr, 32))
- return -1;
- break;
-
- case 0x03: /* K*MD-SHA-512 */
- if (record_full_arch_list_add_mem (oaddr, 64))
- return -1;
- break;
-
- case 0x41: /* KIMD-GHASH */
- /* Only valid for KIMD. */
- if (insn[0] == 0xb93e)
- {
- if (record_full_arch_list_add_mem (oaddr, 16))
- return -1;
- break;
- }
- /* For KLMD, fallthru. */
- default:
- fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n",
- (int)tmp, paddress (gdbarch, addr));
- return -1;
- }
- if (tmp != 0)
- {
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
- return -1;
- }
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xb940 undefined */
- /* 0xb944-0xb945 undefined */
- /* 0xb947-0xb948 undefined */
- /* 0xb94c-0xb950 undefined */
- /* 0xb954-0xb958 undefined */
- /* 0xb95c-0xb95f undefined */
- /* 0xb962-0xb971 undefined */
- /* 0xb974-0xb97f undefined */
-
- case 0xb983: /* FLOGR - find leftmost one */
- /* 64-bit gpr pair destination + flags */
- if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
- return -1;
- if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xb98a privileged */
- /* 0xb98b-0xb98c undefined */
-
- case 0xb98d: /* EPSW - extract psw */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- if (inib[7])
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
- return -1;
- break;
-
- /* 0xb98e-0xb98f privileged */
-
- case 0xb990: /* TRTT - translate two to two [partial] */
- case 0xb991: /* TRTO - translate two to one [partial] */
- case 0xb992: /* TROT - translate one to two [partial] */
- case 0xb993: /* TROO - translate one to one [partial] */
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
- oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
- /* tmp is source length, we want destination length. Adjust. */
- if (insn[0] == 0xb991)
- tmp >>= 1;
- if (insn[0] == 0xb992)
- tmp <<= 1;
- if (record_full_arch_list_add_mem (oaddr, tmp))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xb996: /* MLR - multiply logical */
- case 0xb997: /* DLR - divide logical */
- /* 32-bit gpr pair destination */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
- return -1;
- break;
-
- /* 0xb99a-0xb9af unsupported, privileged, or undefined */
- /* 0xb9b4-0xb9bc undefined */
-
- case 0xb9bd: /* TRTRE - translate and test reverse extended [partial] */
- case 0xb9bf: /* TRTE - translate and test extended [partial] */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xb9c0-0xb9c7 undefined */
-
- case 0xb9c8: /* AHHHR - add high */
- case 0xb9c9: /* SHHHR - subtract high */
- case 0xb9ca: /* ALHHHR - add logical high */
- case 0xb9cb: /* SLHHHR - subtract logical high */
- case 0xb9d8: /* AHHLR - add high */
- case 0xb9d9: /* SHHLR - subtract high */
- case 0xb9da: /* ALHHLR - add logical high */
- case 0xb9db: /* SLHHLR - subtract logical high */
- /* 32-bit high gpr destination + flags */
- if (s390_record_gpr_h (gdbarch, regcache, inib[6]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xb9cc undefined */
- /* 0xb9ce undefined */
- /* 0xb9d0-0xb9d7 undefined */
- /* 0xb9dc undefined */
- /* 0xb9de undefined */
-
- case 0xb9e0: /* LOCFHR - load high on condition */
- /* 32-bit high gpr destination */
- if (s390_record_gpr_h (gdbarch, regcache, inib[6]))
- return -1;
- break;
-
- /* 0xb9e3 undefined */
- /* 0xb9e5 undefined */
- /* 0xb9ec-0xb9f1 undefined */
- /* 0xb9f3 undefined */
- /* 0xb9f5 undefined */
- /* 0xb9fc-0xb9ff undefined */
-
- default:
- goto UNKNOWN_OP;
- }
- break;
-
- /* 0xb4-0xb5 undefined */
- /* 0xb6 privileged: STCTL - store control */
- /* 0xb7 privileged: LCTL - load control */
- /* 0xb8 undefined */
-
- case 0xba: /* CS - compare and swap */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 4))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xbb: /* CDS - compare double and swap */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 8))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xbc undefined */
-
- case 0xbe: /* STCM - store characters under mask */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3])))
- return -1;
- break;
-
- case 0xc0:
- case 0xc2:
- case 0xc4:
- case 0xc6:
- case 0xcc:
- /* RIL-format instruction */
- switch (ibyte[0] << 4 | inib[3])
- {
- case 0xc00: /* LARL - load address relative long */
- case 0xc05: /* BRASL - branch relative and save long */
- case 0xc09: /* IILF - insert immediate */
- case 0xc21: /* MSFI - multiply single immediate */
- case 0xc42: /* LLHRL - load logical halfword relative long */
- case 0xc45: /* LHRL - load halfword relative long */
- case 0xc4d: /* LRL - load relative long */
- /* 32-bit or native gpr destination */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- break;
-
- case 0xc01: /* LGFI - load immediate */
- case 0xc0e: /* LLIHF - load logical immediate */
- case 0xc0f: /* LLILF - load logical immediate */
- case 0xc20: /* MSGFI - multiply single immediate */
- case 0xc44: /* LGHRL - load halfword relative long */
- case 0xc46: /* LLGHRL - load logical halfword relative long */
- case 0xc48: /* LGRL - load relative long */
- case 0xc4c: /* LGFRL - load relative long */
- case 0xc4e: /* LLGFRL - load logical relative long */
- /* 64-bit gpr destination */
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- break;
-
- /* 0xc02-0xc03 undefined */
-
- case 0xc04: /* BRCL - branch relative on condition long */
- case 0xc62: /* PFDRL - prefetch data relative long */
- break;
-
- case 0xc06: /* XIHF - xor immediate */
- case 0xc0a: /* NIHF - and immediate */
- case 0xc0c: /* OIHF - or immediate */
- case 0xcc8: /* AIH - add immediate high */
- case 0xcca: /* ALSIH - add logical with signed immediate high */
- /* 32-bit high gpr destination + flags */
- if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xc07: /* XILF - xor immediate */
- case 0xc0b: /* NILF - and immediate */
- case 0xc0d: /* OILF - or immediate */
- case 0xc25: /* SLFI - subtract logical immediate */
- case 0xc29: /* AFI - add immediate */
- case 0xc2b: /* ALFI - add logical immediate */
- /* 32-bit gpr destination + flags */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xc08: /* IIHF - insert immediate */
- case 0xcc6: /* BRCTH - branch relative on count high */
- case 0xccb: /* ALSIHN - add logical with signed immediate high */
- /* 32-bit high gpr destination */
- if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
- return -1;
- break;
-
- /* 0xc22-0xc23 undefined */
-
- case 0xc24: /* SLGFI - subtract logical immediate */
- case 0xc28: /* AGFI - add immediate */
- case 0xc2a: /* ALGFI - add logical immediate */
- /* 64-bit gpr destination + flags */
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xc26-0xc27 undefined */
-
- case 0xc2c: /* CGFI - compare immediate */
- case 0xc2d: /* CFI - compare immediate */
- case 0xc2e: /* CLGFI - compare logical immediate */
- case 0xc2f: /* CLFI - compare logical immediate */
- case 0xc64: /* CGHRL - compare halfword relative long */
- case 0xc65: /* CHRL - compare halfword relative long */
- case 0xc66: /* CLGHRL - compare logical halfword relative long */
- case 0xc67: /* CLHRL - compare logical halfword relative long */
- case 0xc68: /* CGRL - compare relative long */
- case 0xc6a: /* CLGRL - compare logical relative long */
- case 0xc6c: /* CGFRL - compare relative long */
- case 0xc6d: /* CRL - compare relative long */
- case 0xc6e: /* CLGFRL - compare logical relative long */
- case 0xc6f: /* CLRL - compare logical relative long */
- case 0xccd: /* CIH - compare immediate high */
- case 0xccf: /* CLIH - compare logical immediate high */
- /* flags only */
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xc40-0xc41 undefined */
- /* 0xc43 undefined */
-
- case 0xc47: /* STHRL - store halfword relative long */
- oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
- if (record_full_arch_list_add_mem (oaddr, 2))
- return -1;
- break;
-
- /* 0xc49-0xc4a undefined */
-
- case 0xc4b: /* STGRL - store relative long */
- oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
- if (record_full_arch_list_add_mem (oaddr, 8))
- return -1;
- break;
-
- case 0xc4f: /* STRL - store relative long */
- oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
- if (record_full_arch_list_add_mem (oaddr, 4))
- return -1;
- break;
-
- case 0xc60: /* EXRL - execute relative long */
- if (ex != -1)
- {
- fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n",
- paddress (gdbarch, addr));
- return -1;
- }
- addr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
- if (inib[2])
- {
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
- ex = tmp & 0xff;
- }
- else
- {
- ex = 0;
- }
- goto ex;
-
- /* 0xc61 undefined */
- /* 0xc63 undefined */
- /* 0xc69 undefined */
- /* 0xc6b undefined */
- /* 0xcc0-0xcc5 undefined */
- /* 0xcc7 undefined */
- /* 0xcc9 undefined */
- /* 0xccc undefined */
- /* 0xcce undefined */
-
- default:
- goto UNKNOWN_OP;
- }
- break;
-
- /* 0xc1 undefined */
- /* 0xc3 undefined */
-
- case 0xc5: /* BPRP - branch prediction relative preload */
- case 0xc7: /* BPP - branch prediction preload */
- /* no visible effect */
- break;
-
- case 0xc8:
- /* SSF-format instruction */
- switch (ibyte[0] << 4 | inib[3])
- {
- /* 0xc80 unsupported */
-
- case 0xc81: /* ECTG - extract cpu time */
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- if (s390_record_gpr_g (gdbarch, regcache, 0))
- return -1;
- if (s390_record_gpr_g (gdbarch, regcache, 1))
- return -1;
- break;
-
- case 0xc82: /* CSST - compare and swap and store */
- {
- uint8_t fc, sc;
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
- fc = tmp & 0xff;
- sc = tmp >> 8 & 0xff;
-
- /* First and third operands. */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- switch (fc)
- {
- case 0x00: /* 32-bit */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_mem (oaddr, 4))
- return -1;
- break;
-
- case 0x01: /* 64-bit */
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- if (record_full_arch_list_add_mem (oaddr, 8))
- return -1;
- break;
-
- case 0x02: /* 128-bit */
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
- return -1;
- if (record_full_arch_list_add_mem (oaddr, 16))
- return -1;
- break;
-
- default:
- fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n",
- fc, paddress (gdbarch, addr));
- return -1;
- }
-
- /* Second operand. */
- oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0);
- if (sc > 4)
- {
- fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n",
- sc, paddress (gdbarch, addr));
- return -1;
- }
-
- if (record_full_arch_list_add_mem (oaddr2, 1 << sc))
- return -1;
-
- /* Flags. */
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- }
- break;
-
- /* 0xc83 undefined */
-
- case 0xc84: /* LPD - load pair disjoint */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xc85: /* LPDG - load pair disjoint */
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xc86-0xc8f undefined */
-
- default:
- goto UNKNOWN_OP;
- }
- break;
-
- /* 0xc9-0xcb undefined */
- /* 0xcd-0xcf undefined */
-
- case 0xd0: /* TRTR - translate and test reversed */
- case 0xdd: /* TRT - translate and test */
- if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xd1: /* MVN - move numbers */
- case 0xd2: /* MVC - move */
- case 0xd3: /* MVZ - move zones */
- case 0xdc: /* TR - translate */
- case 0xe8: /* MVCIN - move inverse */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
- return -1;
- break;
-
- case 0xd4: /* NC - and */
- case 0xd6: /* OC - or*/
- case 0xd7: /* XC - xor */
- case 0xe2: /* UNPKU - unpack unicode */
- case 0xea: /* UNPKA - unpack ASCII */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xde: /* ED - edit */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- /* DXC may be written */
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0xdf: /* EDMK - edit and mark */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- /* DXC may be written */
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xd8 undefined */
- /* 0xd9 unsupported: MVCK - move with key */
- /* 0xda unsupported: MVCP - move to primary */
- /* 0xdb unsupported: MVCS - move to secondary */
- /* 0xe0 undefined */
-
- case 0xe1: /* PKU - pack unicode */
- case 0xe9: /* PKA - pack ASCII */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 16))
- return -1;
- break;
-
- case 0xe3:
- case 0xe7:
- case 0xeb:
- case 0xed:
- /* RXY/RXE/RXF/RSL/RSY/SIY/V*-format instruction */
- switch (ibyte[0] << 8 | ibyte[5])
- {
- /* 0xe300-0xe301 undefined */
-
- case 0xe302: /* LTG - load and test */
- case 0xe308: /* AG - add */
- case 0xe309: /* SG - subtract */
- case 0xe30a: /* ALG - add logical */
- case 0xe30b: /* SLG - subtract logical */
- case 0xe318: /* AGF - add */
- case 0xe319: /* SGF - subtract */
- case 0xe31a: /* ALGF - add logical */
- case 0xe31b: /* SLGF - subtract logical */
- case 0xe332: /* LTGF - load and test */
- case 0xe380: /* NG - and */
- case 0xe381: /* OG - or */
- case 0xe382: /* XG - xor */
- case 0xe388: /* ALCG - add logical with carry */
- case 0xe389: /* SLBG - subtract logical with borrow */
- case 0xeb0a: /* SRAG - shift right single */
- case 0xeb0b: /* SLAG - shift left single */
- /* 64-bit gpr destination + flags */
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xe303 privileged */
-
- case 0xe304: /* LG - load */
- case 0xe30c: /* MSG - multiply single */
- case 0xe30f: /* LRVG - load reversed */
- case 0xe314: /* LGF - load */
- case 0xe315: /* LGH - load halfword */
- case 0xe316: /* LLGF - load logical */
- case 0xe317: /* LLGT - load logical thirty one bits */
- case 0xe31c: /* MSGF - multiply single */
- case 0xe32a: /* LZRG - load and zero rightmost byte */
- case 0xe33a: /* LLZRGF - load logical and zero rightmost byte */
- case 0xe346: /* BCTG - branch on count */
- case 0xe377: /* LGB - load byte */
- case 0xe390: /* LLGC - load logical character */
- case 0xe391: /* LLGH - load logical halfword */
- case 0xeb0c: /* SRLG - shift right single logical */
- case 0xeb0d: /* SLLG - shift left single logical */
- case 0xeb1c: /* RLLG - rotate left single logical */
- case 0xeb44: /* BXHG - branch on index high */
- case 0xeb45: /* BXLEG - branch on index low or equal */
- case 0xeb4c: /* ECAG - extract cpu attribute */
- case 0xebe2: /* LOCG - load on condition */
- /* 64-bit gpr destination */
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- break;
-
- /* 0xe305 undefined */
-
- case 0xe306: /* CVBY - convert to binary */
- /* 32-bit or native gpr destination + FPC (DXC write) */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xe307 undefined */
-
- case 0xe30d: /* DSG - divide single */
- case 0xe31d: /* DSGF - divide single */
- case 0xe386: /* MLG - multiply logical */
- case 0xe387: /* DLG - divide logical */
- case 0xe38f: /* LPQ - load pair from quadword */
- /* 64-bit gpr pair destination */
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
- return -1;
- break;
-
- case 0xe30e: /* CVBG - convert to binary */
- /* 64-bit gpr destination + FPC (DXC write) */
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xe310-0xe311 undefined */
-
- case 0xe312: /* LT - load and test */
- case 0xe354: /* NY - and */
- case 0xe356: /* OY - or */
- case 0xe357: /* XY - xor */
- case 0xe35a: /* AY - add */
- case 0xe35b: /* SY - subtract */
- case 0xe35e: /* ALY - add logical */
- case 0xe35f: /* SLY - subtract logical */
- case 0xe37a: /* AHY - add halfword */
- case 0xe37b: /* SHY - subtract halfword */
- case 0xe398: /* ALC - add logical with carry */
- case 0xe399: /* SLB - subtract logical with borrow */
- case 0xe727: /* LCBB - load count to block bounduary */
- case 0xeb81: /* ICMY - insert characters under mask */
- case 0xebdc: /* SRAK - shift left single */
- case 0xebdd: /* SLAK - shift left single */
- /* 32-bit gpr destination + flags */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xe313 privileged */
-
- case 0xe31e: /* LRV - load reversed */
- case 0xe31f: /* LRVH - load reversed */
- case 0xe33b: /* LZRF - load and zero rightmost byte */
- case 0xe351: /* MSY - multiply single */
- case 0xe358: /* LY - load */
- case 0xe371: /* LAY - load address */
- case 0xe373: /* ICY - insert character */
- case 0xe376: /* LB - load byte */
- case 0xe378: /* LHY - load */
- case 0xe37c: /* MHY - multiply halfword */
- case 0xe394: /* LLC - load logical character */
- case 0xe395: /* LLH - load logical halfword */
- case 0xeb1d: /* RLL - rotate left single logical */
- case 0xebde: /* SRLK - shift left single logical */
- case 0xebdf: /* SLLK - shift left single logical */
- case 0xebf2: /* LOC - load on condition */
- /* 32-bit or native gpr destination */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- break;
-
- case 0xe320: /* CG - compare */
- case 0xe321: /* CLG - compare logical */
- case 0xe330: /* CGF - compare */
- case 0xe331: /* CLGF - compare logical */
- case 0xe334: /* CGH - compare halfword */
- case 0xe355: /* CLY - compare logical */
- case 0xe359: /* CY - compare */
- case 0xe379: /* CHY - compare halfword */
- case 0xe3cd: /* CHF - compare high */
- case 0xe3cf: /* CLHF - compare logical high */
- case 0xeb20: /* CLMH - compare logical under mask high */
- case 0xeb21: /* CLMY - compare logical under mask */
- case 0xeb51: /* TMY - test under mask */
- case 0xeb55: /* CLIY - compare logical */
- case 0xebc0: /* TP - test decimal */
- case 0xed10: /* TCEB - test data class */
- case 0xed11: /* TCDB - test data class */
- case 0xed12: /* TCXB - test data class */
- case 0xed50: /* TDCET - test data class */
- case 0xed51: /* TDGET - test data group */
- case 0xed54: /* TDCDT - test data class */
- case 0xed55: /* TDGDT - test data group */
- case 0xed58: /* TDCXT - test data class */
- case 0xed59: /* TDGXT - test data group */
- /* flags only */
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xe322-0xe323 undefined */
-
- case 0xe324: /* STG - store */
- case 0xe325: /* NTSTG - nontransactional store */
- case 0xe326: /* CVDY - convert to decimal */
- case 0xe32f: /* STRVG - store reversed */
- case 0xebe3: /* STOCG - store on condition */
- case 0xed67: /* STDY - store */
- oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
- if (record_full_arch_list_add_mem (oaddr, 8))
- return -1;
- break;
-
- /* 0xe327-0xe329 undefined */
- /* 0xe32b-0xe32d undefined */
-
- case 0xe32e: /* CVDG - convert to decimal */
- case 0xe38e: /* STPQ - store pair to quadword */
- oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
- if (record_full_arch_list_add_mem (oaddr, 16))
- return -1;
- break;
-
- /* 0xe333 undefined */
- /* 0xe335 undefined */
-
- case 0xe336: /* PFD - prefetch data */
- break;
-
- /* 0xe337-0xe339 undefined */
- /* 0xe33c-0xe33d undefined */
-
- case 0xe33e: /* STRV - store reversed */
- case 0xe350: /* STY - store */
- case 0xe3cb: /* STFH - store high */
- case 0xebe1: /* STOCFH - store high on condition */
- case 0xebf3: /* STOC - store on condition */
- case 0xed66: /* STEY - store */
- oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
- if (record_full_arch_list_add_mem (oaddr, 4))
- return -1;
- break;
-
- case 0xe33f: /* STRVH - store reversed */
- case 0xe370: /* STHY - store halfword */
- case 0xe3c7: /* STHH - store halfword high */
- oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
- if (record_full_arch_list_add_mem (oaddr, 2))
- return -1;
- break;
-
- /* 0xe340-0xe345 undefined */
- /* 0xe347-0xe34f undefined */
- /* 0xe352-0xe353 undefined */
-
- case 0xe35c: /* MFY - multiply */
- case 0xe396: /* ML - multiply logical */
- case 0xe397: /* DL - divide logical */
- /* 32-bit gpr pair destination */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
- return -1;
- break;
-
- /* 0xe35d undefined */
- /* 0xe360-0xe36f undefined */
-
- case 0xe372: /* STCY - store character */
- case 0xe3c3: /* STCH - store character high */
- oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
- if (record_full_arch_list_add_mem (oaddr, 1))
- return -1;
- break;
-
- /* 0xe374 undefined */
-
- case 0xe375: /* LAEY - load address extended */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2]))
- return -1;
- break;
-
- /* 0xe37d-0xe37f undefined */
- /* 0xe383-0xe384 undefined */
-
- case 0xe385: /* LGAT - load and trap */
- case 0xe39c: /* LLGTAT - load logical thirty one bits and trap */
- case 0xe39d: /* LLGFAT - load logical and trap */
- case 0xe721: /* VLGV - vector load gr from vr element */
- /* 64-bit gpr destination + fpc for possible DXC write */
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xe38a-0xe38d undefined */
- /* 0xe392-0xe393 undefined */
- /* 0xe39a-0xe39b undefined */
- /* 0xe39e undefined */
-
- case 0xe39f: /* LAT - load and trap */
- /* 32-bit gpr destination + fpc for possible DXC write */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xe3a0-0xe3bf undefined */
-
- case 0xe3c0: /* LBH - load byte high */
- case 0xe3c2: /* LLCH - load logical character high */
- case 0xe3c4: /* LHH - load halfword high */
- case 0xe3c6: /* LLHH - load logical halfword high */
- case 0xe3ca: /* LFH - load high */
- case 0xebe0: /* LOCFH - load high on condition */
- /* 32-bit high gpr destination */
- if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
- return -1;
- break;
-
- /* 0xe3c1 undefined */
- /* 0xe3c5 undefined */
-
- case 0xe3c8: /* LFHAT - load high and trap */
- /* 32-bit high gpr destination + fpc for possible DXC write */
- if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xe3c9 undefined */
- /* 0xe3cc undefined */
- /* 0xe3ce undefined */
- /* 0xe3d0-0xe3ff undefined */
-
- case 0xe700: /* VLEB - vector load element */
- case 0xe701: /* VLEH - vector load element */
- case 0xe702: /* VLEG - vector load element */
- case 0xe703: /* VLEF - vector load element */
- case 0xe704: /* VLLEZ - vector load logical element and zero */
- case 0xe705: /* VLREP - vector load and replicate */
- case 0xe706: /* VL - vector load */
- case 0xe707: /* VLBB - vector load to block bounduary */
- case 0xe712: /* VGEG - vector gather element */
- case 0xe713: /* VGEF - vector gather element */
- case 0xe722: /* VLVG - vector load vr element from gr */
- case 0xe730: /* VESL - vector element shift left */
- case 0xe733: /* VERLL - vector element rotate left logical */
- case 0xe737: /* VLL - vector load with length */
- case 0xe738: /* VESRL - vector element shift right logical */
- case 0xe73a: /* VESRA - vector element shift right arithmetic */
- case 0xe740: /* VLEIB - vector load element immediate */
- case 0xe741: /* VLEIH - vector load element immediate */
- case 0xe742: /* VLEIG - vector load element immediate */
- case 0xe743: /* VLEIF - vector load element immediate */
- case 0xe744: /* VGBM - vector generate byte mask */
- case 0xe745: /* VREPI - vector replicate immediate */
- case 0xe746: /* VGM - vector generate mask */
- case 0xe74d: /* VREP - vector replicate */
- case 0xe750: /* VPOPCT - vector population count */
- case 0xe752: /* VCTZ - vector count trailing zeros */
- case 0xe753: /* VCLZ - vector count leading zeros */
- case 0xe756: /* VLR - vector load */
- case 0xe75f: /* VSEG -vector sign extend to doubleword */
- case 0xe760: /* VMRL - vector merge low */
- case 0xe761: /* VMRH - vector merge high */
- case 0xe762: /* VLVGP - vector load vr from grs disjoint */
- case 0xe764: /* VSUM - vector sum across word */
- case 0xe765: /* VSUMG - vector sum across doubleword */
- case 0xe766: /* VCKSM - vector checksum */
- case 0xe767: /* VSUMQ - vector sum across quadword */
- case 0xe768: /* VN - vector and */
- case 0xe769: /* VNC - vector and with complement */
- case 0xe76a: /* VO - vector or */
- case 0xe76b: /* VNO - vector nor */
- case 0xe76d: /* VX - vector xor */
- case 0xe770: /* VESLV - vector element shift left */
- case 0xe772: /* VERIM - vector element rotate and insert under mask */
- case 0xe773: /* VERLLV - vector element rotate left logical */
- case 0xe774: /* VSL - vector shift left */
- case 0xe775: /* VSLB - vector shift left by byte */
- case 0xe777: /* VSLDB - vector shift left double by byte */
- case 0xe778: /* VESRLV - vector element shift right logical */
- case 0xe77a: /* VESRAV - vector element shift right arithmetic */
- case 0xe77c: /* VSRL - vector shift right logical */
- case 0xe77d: /* VSRLB - vector shift right logical by byte */
- case 0xe77e: /* VSRA - vector shift right arithmetic */
- case 0xe77f: /* VSRAB - vector shift right arithmetic by byte */
- case 0xe784: /* VPDI - vector permute doubleword immediate */
- case 0xe78c: /* VPERM - vector permute */
- case 0xe78d: /* VSEL - vector select */
- case 0xe78e: /* VFMS - vector fp multiply and subtract */
- case 0xe78f: /* VFMA - vector fp multiply and add */
- case 0xe794: /* VPK - vector pack */
- case 0xe7a1: /* VMLH - vector multiply logical high */
- case 0xe7a2: /* VML - vector multiply low */
- case 0xe7a3: /* VMH - vector multiply high */
- case 0xe7a4: /* VMLE - vector multiply logical even */
- case 0xe7a5: /* VMLO - vector multiply logical odd */
- case 0xe7a6: /* VME - vector multiply even */
- case 0xe7a7: /* VMO - vector multiply odd */
- case 0xe7a9: /* VMALH - vector multiply and add logical high */
- case 0xe7aa: /* VMAL - vector multiply and add low */
- case 0xe7ab: /* VMAH - vector multiply and add high */
- case 0xe7ac: /* VMALE - vector multiply and add logical even */
- case 0xe7ad: /* VMALO - vector multiply and add logical odd */
- case 0xe7ae: /* VMAE - vector multiply and add even */
- case 0xe7af: /* VMAO - vector multiply and add odd */
- case 0xe7b4: /* VGFM - vector Galois field multiply sum */
- case 0xe7b9: /* VACCC - vector add with carry compute carry */
- case 0xe7bb: /* VAC - vector add with carry */
- case 0xe7bc: /* VGFMA - vector Galois field multiply sum and accumulate */
- case 0xe7bd: /* VSBCBI - vector subtract with borrow compute borrow indication */
- case 0xe7bf: /* VSBI - vector subtract with borrow indication */
- case 0xe7c0: /* VCLGD - vector convert to logical 64-bit */
- case 0xe7c1: /* VCDLG - vector convert from logical 64-bit */
- case 0xe7c2: /* VCGD - vector convert to fixed 64-bit */
- case 0xe7c3: /* VCDG - vector convert from fixed 64-bit */
- case 0xe7c4: /* VLDE - vector fp load lengthened */
- case 0xe7c5: /* VLED - vector fp load rounded */
- case 0xe7c7: /* VFI - vector load fp integer */
- case 0xe7cc: /* VFPSO - vector fp perform sign operation */
- case 0xe7ce: /* VFSQ - vector fp square root */
- case 0xe7d4: /* VUPLL - vector unpack logical low */
- case 0xe7d6: /* VUPL - vector unpack low */
- case 0xe7d5: /* VUPLH - vector unpack logical high */
- case 0xe7d7: /* VUPH - vector unpack high */
- case 0xe7de: /* VLC - vector load complement */
- case 0xe7df: /* VLP - vector load positive */
- case 0xe7e2: /* VFA - vector fp subtract */
- case 0xe7e3: /* VFA - vector fp add */
- case 0xe7e5: /* VFD - vector fp divide */
- case 0xe7e7: /* VFM - vector fp multiply */
- case 0xe7f0: /* VAVGL - vector average logical */
- case 0xe7f1: /* VACC - vector add and compute carry */
- case 0xe7f2: /* VAVG - vector average */
- case 0xe7f3: /* VA - vector add */
- case 0xe7f5: /* VSCBI - vector subtract compute borrow indication */
- case 0xe7f7: /* VS - vector subtract */
- case 0xe7fc: /* VMNL - vector minimum logical */
- case 0xe7fd: /* VMXL - vector maximum logical */
- case 0xe7fe: /* VMN - vector minimum */
- case 0xe7ff: /* VMX - vector maximum */
- /* vector destination + FPC */
- if (s390_record_vr (gdbarch, regcache, ivec[0]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0xe708: /* VSTEB - vector store element */
- oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 1))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0xe709: /* VSTEH - vector store element */
- oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 2))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0xe70a: /* VSTEG - vector store element */
- oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 8))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0xe70b: /* VSTEF - vector store element */
- oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 4))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xe70c-0xe70d undefined */
-
- case 0xe70e: /* VST - vector store */
- oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 16))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xe70f-0xe711 undefined */
- /* 0xe714-0xe719 undefined */
-
- case 0xe71a: /* VSCEG - vector scatter element */
- if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 8, insn[1], 0, &oaddr))
- return -1;
- if (record_full_arch_list_add_mem (oaddr, 8))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0xe71b: /* VSCEF - vector scatter element */
- if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 4, insn[1], 0, &oaddr))
- return -1;
- if (record_full_arch_list_add_mem (oaddr, 4))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xe71c-0xe720 undefined */
- /* 0xe723-0xe726 undefined */
- /* 0xe728-0xe72f undefined */
- /* 0xe731-0xe732 undefined */
- /* 0xe734-0xe735 undefined */
-
- case 0xe736: /* VLM - vector load multiple */
- for (i = ivec[0]; i != ivec[1]; i++, i &= 0x1f)
- if (s390_record_vr (gdbarch, regcache, i))
- return -1;
- if (s390_record_vr (gdbarch, regcache, ivec[1]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xe739 undefined */
- /* 0xe73b-0xe73d undefined */
-
- case 0xe73e: /* VSTM - vector store multiple */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (ivec[0] <= ivec[1])
- n = ivec[1] - ivec[0] + 1;
- else
- n = ivec[1] + 0x20 - ivec[0] + 1;
- if (record_full_arch_list_add_mem (oaddr, n * 16))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0xe73f: /* VSTL - vector store with length */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[3], &tmp);
- tmp &= 0xffffffffu;
- if (tmp > 16)
- tmp = 16;
- if (record_full_arch_list_add_mem (oaddr, tmp))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xe747-0xe749 undefined */
-
- case 0xe74a: /* VFTCI - vector fp test data class immediate */
- case 0xe75c: /* VISTR - vector isolate string */
- case 0xe780: /* VFEE - vector find element equal */
- case 0xe781: /* VFENE - vector find element not equal */
- case 0xe782: /* VFA - vector find any element equal */
- case 0xe78a: /* VSTRC - vector string range compare */
- case 0xe795: /* VPKLS - vector pack logical saturate */
- case 0xe797: /* VPKS - vector pack saturate */
- case 0xe7e8: /* VFCE - vector fp compare equal */
- case 0xe7ea: /* VFCHE - vector fp compare high or equal */
- case 0xe7eb: /* VFCE - vector fp compare high */
- case 0xe7f8: /* VCEQ - vector compare equal */
- case 0xe7f9: /* VCHL - vector compare high logical */
- case 0xe7fb: /* VCH - vector compare high */
- /* vector destination + flags + FPC */
- if (s390_record_vr (gdbarch, regcache, ivec[0]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xe74b-0xe74c undefined */
- /* 0xe74e-0xe74f undefined */
- /* 0xe751 undefined */
- /* 0xe754-0xe755 undefined */
- /* 0xe757-0xe75b undefined */
- /* 0xe75d-0xe75e undefined */
- /* 0xe763 undefined */
- /* 0xe76c undefined */
- /* 0xe76e-0xe76f undefined */
- /* 0xe771 undefined */
- /* 0xe776 undefined */
- /* 0xe779 undefined */
- /* 0xe77b undefined */
- /* 0xe783 undefined */
- /* 0xe785-0xe789 undefined */
- /* 0xe78b undefined */
- /* 0xe790-0xe793 undefined */
- /* 0xe796 undefined */
- /* 0xe798-0xe7a0 undefined */
- /* 0xe7a8 undefined */
- /* 0xe7b0-0xe7b3 undefined */
- /* 0xe7b5-0xe7b8 undefined */
- /* 0xe7ba undefined */
- /* 0xe7be undefined */
- /* 0xe7c6 undefined */
- /* 0xe7c8-0xe7c9 undefined */
-
- case 0xe7ca: /* WFK - vector fp compare and signal scalar */
- case 0xe7cb: /* WFC - vector fp compare scalar */
- case 0xe7d8: /* VTM - vector test under mask */
- case 0xe7d9: /* VECL - vector element compare logical */
- case 0xe7db: /* VEC - vector element compare */
- case 0xed08: /* KEB - compare and signal */
- case 0xed09: /* CEB - compare */
- case 0xed18: /* KDB - compare and signal */
- case 0xed19: /* CDB - compare */
- /* flags + fpc only */
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xe7cd undefined */
- /* 0xe7cf-0xe7d3 undefined */
- /* 0xe7da undefined */
- /* 0xe7dc-0xe7dd undefined */
- /* 0xe7e0-0xe7e1 undefined */
- /* 0xe7e4 undefined */
- /* 0xe7e6 undefined */
- /* 0xe7e9 undefined */
- /* 0xe7ec-0xe7ef undefined */
- /* 0xe7f4 undefined */
- /* 0xe7f6 undefined */
- /* 0xe7fa undefined */
-
- /* 0xeb00-0xeb03 undefined */
-
- case 0xeb04: /* LMG - load multiple */
- for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
- if (s390_record_gpr_g (gdbarch, regcache, i))
- return -1;
- if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
- return -1;
- break;
-
- /* 0xeb05-0xeb09 undefined */
- /* 0xeb0e undefined */
- /* 0xeb0f privileged: TRACG */
- /* 0xeb10-0xeb13 undefined */
-
- case 0xeb14: /* CSY - compare and swap */
- case 0xebf4: /* LAN - load and and */
- case 0xebf6: /* LAO - load and or */
- case 0xebf7: /* LAX - load and xor */
- case 0xebf8: /* LAA - load and add */
- case 0xebfa: /* LAAL - load and add logical */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
- if (record_full_arch_list_add_mem (oaddr, 4))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xeb15-0xeb1b undefined */
- /* 0xeb1e-0xeb1f undefined */
- /* 0xeb22 undefined */
-
- case 0xeb23: /* CLT - compare logical and trap */
- case 0xeb2b: /* CLGT - compare logical and trap */
- /* fpc only - including possible DXC write for trapping insns */
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0xeb24: /* STMG - store multiple */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
- if (inib[2] <= inib[3])
- n = inib[3] - inib[2] + 1;
- else
- n = inib[3] + 0x10 - inib[2] + 1;
- if (record_full_arch_list_add_mem (oaddr, n * 8))
- return -1;
- break;
-
- /* 0xeb25 privileged */
-
- case 0xeb26: /* STMH - store multiple high */
- case 0xeb90: /* STMY - store multiple */
- case 0xeb9b: /* STAMY - store access multiple */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
- if (inib[2] <= inib[3])
- n = inib[3] - inib[2] + 1;
- else
- n = inib[3] + 0x10 - inib[2] + 1;
- if (record_full_arch_list_add_mem (oaddr, n * 4))
- return -1;
- break;
-
- /* 0xeb27-0xeb2a undefined */
-
- case 0xeb2c: /* STCMH - store characters under mask */
- case 0xeb2d: /* STCMY - store characters under mask */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
- if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3])))
- return -1;
- break;
-
- /* 0xeb2e undefined */
- /* 0xeb2f privileged */
-
- case 0xeb30: /* CSG - compare and swap */
- case 0xebe4: /* LANG - load and and */
- case 0xebe6: /* LAOG - load and or */
- case 0xebe7: /* LAXG - load and xor */
- case 0xebe8: /* LAAG - load and add */
- case 0xebea: /* LAALG - load and add logical */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
- if (record_full_arch_list_add_mem (oaddr, 8))
- return -1;
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xeb31: /* CDSY - compare double and swap */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
- if (record_full_arch_list_add_mem (oaddr, 8))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xeb32-0xeb3d undefined */
-
- case 0xeb3e: /* CDSG - compare double and swap */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
- if (record_full_arch_list_add_mem (oaddr, 16))
- return -1;
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xeb3f-0xeb43 undefined */
- /* 0xeb46-0xeb4b undefined */
- /* 0xeb4d-0xeb50 undefined */
-
- case 0xeb52: /* MVIY - move */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
- if (record_full_arch_list_add_mem (oaddr, 1))
- return -1;
- break;
-
- case 0xeb54: /* NIY - and */
- case 0xeb56: /* OIY - or */
- case 0xeb57: /* XIY - xor */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
- if (record_full_arch_list_add_mem (oaddr, 1))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xeb53 undefined */
- /* 0xeb58-0xeb69 undefined */
-
- case 0xeb6a: /* ASI - add immediate */
- case 0xeb6e: /* ALSI - add immediate */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
- if (record_full_arch_list_add_mem (oaddr, 4))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xeb6b-0xeb6d undefined */
- /* 0xeb6f-0xeb79 undefined */
-
- case 0xeb7a: /* AGSI - add immediate */
- case 0xeb7e: /* ALGSI - add immediate */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
- if (record_full_arch_list_add_mem (oaddr, 8))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xeb7b-0xeb7d undefined */
- /* 0xeb7f undefined */
-
- case 0xeb80: /* ICMH - insert characters under mask */
- /* 32-bit high gpr destination + flags */
- if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xeb82-0xeb8d undefined */
-
- case 0xeb8e: /* MVCLU - move long unicode [partial] */
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
- oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp);
- if (record_full_arch_list_add_mem (oaddr, tmp))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- case 0xeb8f: /* CLCLU - compare logical long unicode [partial] */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xeb91-0xeb95 undefined */
-
- case 0xeb96: /* LMH - load multiple high */
- for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
- if (s390_record_gpr_h (gdbarch, regcache, i))
- return -1;
- if (s390_record_gpr_h (gdbarch, regcache, inib[3]))
- return -1;
- break;
-
- /* 0xeb97 undefined */
-
- case 0xeb98: /* LMY - load multiple */
- for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
- return -1;
- break;
-
- /* 0xeb99 undefined */
-
- case 0xeb9a: /* LAMY - load access multiple */
- for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
- if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3]))
- return -1;
- break;
-
- /* 0xeb9c-0xebbf undefined */
- /* 0xebc1-0xebdb undefined */
- /* 0xebe5 undefined */
- /* 0xebe9 undefined */
- /* 0xebeb-0xebf1 undefined */
- /* 0xebf5 undefined */
- /* 0xebf9 undefined */
- /* 0xebfb-0xebff undefined */
-
- /* 0xed00-0xed03 undefined */
-
- case 0xed04: /* LDEB - load lengthened */
- case 0xed0c: /* MDEB - multiply */
- case 0xed0d: /* DEB - divide */
- case 0xed14: /* SQEB - square root */
- case 0xed15: /* SQDB - square root */
- case 0xed17: /* MEEB - multiply */
- case 0xed1c: /* MDB - multiply */
- case 0xed1d: /* DDB - divide */
- /* float destination + fpc */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0xed05: /* LXDB - load lengthened */
- case 0xed06: /* LXEB - load lengthened */
- case 0xed07: /* MXDB - multiply */
- /* float pair destination + fpc */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0xed0a: /* AEB - add */
- case 0xed0b: /* SEB - subtract */
- case 0xed1a: /* ADB - add */
- case 0xed1b: /* SDB - subtract */
- /* float destination + flags + fpc */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0xed0e: /* MAEB - multiply and add */
- case 0xed0f: /* MSEB - multiply and subtract */
- case 0xed1e: /* MADB - multiply and add */
- case 0xed1f: /* MSDB - multiply and subtract */
- case 0xed40: /* SLDT - shift significand left */
- case 0xed41: /* SRDT - shift significand right */
- case 0xedaa: /* CDZT - convert from zoned */
- case 0xedae: /* CDPT - convert from packed */
- /* float destination [RXF] + fpc */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xed13 undefined */
- /* 0xed16 undefined */
- /* 0xed20-0xed23 undefined */
-
- case 0xed24: /* LDE - load lengthened */
- case 0xed34: /* SQE - square root */
- case 0xed35: /* SQD - square root */
- case 0xed37: /* MEE - multiply */
- case 0xed64: /* LEY - load */
- case 0xed65: /* LDY - load */
- /* float destination */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
- return -1;
- break;
-
- case 0xed25: /* LXD - load lengthened */
- case 0xed26: /* LXE - load lengthened */
- /* float pair destination */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
- return -1;
- break;
-
- /* 0xed27-0xed2d undefined */
-
- case 0xed2e: /* MAE - multiply and add */
- case 0xed2f: /* MSE - multiply and subtract */
- case 0xed38: /* MAYL - multiply and add unnormalized */
- case 0xed39: /* MYL - multiply unnormalized */
- case 0xed3c: /* MAYH - multiply and add unnormalized */
- case 0xed3d: /* MYH - multiply unnormalized */
- case 0xed3e: /* MAD - multiply and add */
- case 0xed3f: /* MSD - multiply and subtract */
- /* float destination [RXF] */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
- return -1;
- break;
-
- /* 0xed30-0xed33 undefined */
- /* 0xed36 undefined */
-
- case 0xed3a: /* MAY - multiply and add unnormalized */
- case 0xed3b: /* MY - multiply unnormalized */
- /* float pair destination [RXF] */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2)))
- return -1;
- break;
-
- /* 0xed42-0xed47 undefind */
-
- case 0xed48: /* SLXT - shift significand left */
- case 0xed49: /* SRXT - shift significand right */
- case 0xedab: /* CXZT - convert from zoned */
- case 0xedaf: /* CXPT - convert from packed */
- /* float pair destination [RXF] + fpc */
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2)))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xed4a-0xed4f undefind */
- /* 0xed52-0xed53 undefind */
- /* 0xed56-0xed57 undefind */
- /* 0xed5a-0xed63 undefind */
- /* 0xed68-0xeda7 undefined */
-
- case 0xeda8: /* CZDT - convert to zoned */
- case 0xeda9: /* CZXT - convert to zoned */
- case 0xedac: /* CPDT - convert to packed */
- case 0xedad: /* CPXT - convert to packed */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xedb0-0xedff undefined */
-
- default:
- goto UNKNOWN_OP;
- }
- break;
-
- /* 0xe4 undefined */
-
- case 0xe5:
- /* SSE/SIL-format instruction */
- switch (insn[0])
- {
- /* 0xe500-0xe543 undefined, privileged, or unsupported */
-
- case 0xe544: /* MVHHI - move */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 2))
- return -1;
- break;
-
- /* 0xe545-0xe547 undefined */
-
- case 0xe548: /* MVGHI - move */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 8))
- return -1;
- break;
-
- /* 0xe549-0xe54b undefined */
-
- case 0xe54c: /* MVHI - move */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 4))
- return -1;
- break;
-
- /* 0xe54d-0xe553 undefined */
-
- case 0xe554: /* CHHSI - compare halfword immediate */
- case 0xe555: /* CLHHSI - compare logical immediate */
- case 0xe558: /* CGHSI - compare halfword immediate */
- case 0xe559: /* CLGHSI - compare logical immediate */
- case 0xe55c: /* CHSI - compare halfword immediate */
- case 0xe55d: /* CLFHSI - compare logical immediate */
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xe556-0xe557 undefined */
- /* 0xe55a-0xe55b undefined */
- /* 0xe55e-0xe55f undefined */
-
- case 0xe560: /* TBEGIN - transaction begin */
- /* The transaction will be immediately aborted after this
- instruction, due to single-stepping. This instruction is
- only supported so that the program can fail a few times
- and go to the non-transactional fallback. */
- if (inib[4])
- {
- /* Transaction diagnostic block - user. */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, 256))
- return -1;
- }
- /* Transaction diagnostic block - supervisor. */
- if (record_full_arch_list_add_reg (regcache, S390_TDB_DWORD0_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_TDB_ABORT_CODE_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_TDB_CONFLICT_TOKEN_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_TDB_ATIA_REGNUM))
- return -1;
- for (i = 0; i < 16; i++)
- if (record_full_arch_list_add_reg (regcache, S390_TDB_R0_REGNUM + i))
- return -1;
- /* And flags. */
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
+ /* s390 syscall numbers < 222 are mostly the same as x86, so just list
+ the exceptions. */
+ case 0:
+ return gdb_sys_no_syscall;
+ case 7:
+ return gdb_sys_restart_syscall;
+ /* These syscalls work only on 31-bit. */
+ case 13: /* time */
+ case 16: /* lchown[16] */
+ case 23: /* setuid[16] */
+ case 24: /* getuid[16] */
+ case 25: /* stime */
+ case 46: /* setgid[16] */
+ case 47: /* getgid[16] */
+ case 49: /* seteuid[16] */
+ case 50: /* getegid[16] */
+ case 70: /* setreuid[16] */
+ case 71: /* setregid[16] */
+ case 76: /* [old_]getrlimit */
+ case 80: /* getgroups[16] */
+ case 81: /* setgroups[16] */
+ case 95: /* fchown[16] */
+ case 101: /* ioperm */
+ case 138: /* setfsuid[16] */
+ case 139: /* setfsgid[16] */
+ case 140: /* _llseek */
+ case 164: /* setresuid[16] */
+ case 165: /* getresuid[16] */
+ case 170: /* setresgid[16] */
+ case 171: /* getresgid[16] */
+ case 182: /* chown[16] */
+ case 192: /* mmap2 */
+ case 193: /* truncate64 */
+ case 194: /* ftruncate64 */
+ case 195: /* stat64 */
+ case 196: /* lstat64 */
+ case 197: /* fstat64 */
+ case 221: /* fcntl64 */
+ if (abi == ABI_LINUX_S390)
+ return (enum gdb_syscall) syscall;
+ return gdb_sys_no_syscall;
+ /* These syscalls don't exist on s390. */
+ case 17: /* break */
+ case 18: /* oldstat */
+ case 28: /* oldfstat */
+ case 31: /* stty */
+ case 32: /* gtty */
+ case 35: /* ftime */
+ case 44: /* prof */
+ case 53: /* lock */
+ case 56: /* mpx */
+ case 58: /* ulimit */
+ case 59: /* oldolduname */
+ case 68: /* sgetmask */
+ case 69: /* ssetmask */
+ case 82: /* [old_]select */
+ case 84: /* oldlstat */
+ case 98: /* profil */
+ case 109: /* olduname */
+ case 113: /* vm86old */
+ case 123: /* modify_ldt */
+ case 166: /* vm86 */
+ return gdb_sys_no_syscall;
+ case 110:
+ return gdb_sys_lookup_dcookie;
+ /* Here come the differences. */
+ case 222:
+ return gdb_sys_readahead;
+ case 223:
+ if (abi == ABI_LINUX_S390)
+ return gdb_sys_sendfile64;
+ return gdb_sys_no_syscall;
+ /* 224-235 handled below */
+ case 236:
+ return gdb_sys_gettid;
+ case 237:
+ return gdb_sys_tkill;
+ case 238:
+ return gdb_sys_futex;
+ case 239:
+ return gdb_sys_sched_setaffinity;
+ case 240:
+ return gdb_sys_sched_getaffinity;
+ case 241:
+ return gdb_sys_tgkill;
+ /* 242 reserved */
+ case 243:
+ return gdb_sys_io_setup;
+ case 244:
+ return gdb_sys_io_destroy;
+ case 245:
+ return gdb_sys_io_getevents;
+ case 246:
+ return gdb_sys_io_submit;
+ case 247:
+ return gdb_sys_io_cancel;
+ case 248:
+ return gdb_sys_exit_group;
+ case 249:
+ return gdb_sys_epoll_create;
+ case 250:
+ return gdb_sys_epoll_ctl;
+ case 251:
+ return gdb_sys_epoll_wait;
+ case 252:
+ return gdb_sys_set_tid_address;
+ case 253:
+ return gdb_sys_fadvise64;
+ /* 254-262 handled below */
+ /* 263 reserved */
+ case 264:
+ if (abi == ABI_LINUX_S390)
+ return gdb_sys_fadvise64_64;
+ return gdb_sys_no_syscall;
+ case 265:
+ return gdb_sys_statfs64;
+ case 266:
+ return gdb_sys_fstatfs64;
+ case 267:
+ return gdb_sys_remap_file_pages;
+ /* 268-270 reserved */
+ /* 271-277 handled below */
+ case 278:
+ return gdb_sys_add_key;
+ case 279:
+ return gdb_sys_request_key;
+ case 280:
+ return gdb_sys_keyctl;
+ case 281:
+ return gdb_sys_waitid;
+ /* 282-312 handled below */
+ case 293:
+ if (abi == ABI_LINUX_S390)
+ return gdb_sys_fstatat64;
+ return gdb_sys_newfstatat;
+ /* 313+ not yet supported */
+ default:
+ {
+ int ret;
- /* 0xe561 unsupported: TBEGINC */
- /* 0xe562-0xe5ff undefined */
+ /* Most "old" syscalls copied from i386. */
+ if (syscall <= 221)
+ ret = syscall;
+ /* xattr syscalls. */
+ else if (syscall >= 224 && syscall <= 235)
+ ret = syscall + 2;
+ /* timer syscalls. */
+ else if (syscall >= 254 && syscall <= 262)
+ ret = syscall + 5;
+ /* mq_* and kexec_load */
+ else if (syscall >= 271 && syscall <= 277)
+ ret = syscall + 6;
+ /* ioprio_set .. epoll_pwait */
+ else if (syscall >= 282 && syscall <= 312)
+ ret = syscall + 7;
+ else
+ ret = gdb_sys_no_syscall;
- default:
- goto UNKNOWN_OP;
- }
- break;
+ return (enum gdb_syscall) ret;
+ }
+ }
+}
- /* 0xe6 undefined */
+/* Record a system call. Returns 0 on success, -1 otherwise.
+ Helper function for s390_process_record. */
- case 0xec:
- /* RIE/RIS/RRS-format instruction */
- switch (ibyte[0] << 8 | ibyte[5])
- {
- /* 0xec00-0xec41 undefined */
+static int
+s390_linux_syscall_record (struct regcache *regcache, LONGEST syscall_native)
+{
+ struct gdbarch *gdbarch = regcache->arch ();
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ int ret;
+ enum gdb_syscall syscall_gdb;
- case 0xec42: /* LOCHI - load halfword immediate on condition */
- case 0xec51: /* RISBLG - rotate then insert selected bits low */
- /* 32-bit or native gpr destination */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- break;
+ /* On s390, syscall number can be passed either as immediate field of svc
+ instruction, or in %r1 (with svc 0). */
+ if (syscall_native == 0)
+ regcache_raw_read_signed (regcache, S390_R1_REGNUM, &syscall_native);
- /* 0xec43 undefined */
+ syscall_gdb = s390_canonicalize_syscall (syscall_native, tdep->abi);
- case 0xec44: /* BRXHG - branch relative on index high */
- case 0xec45: /* BRXLG - branch relative on index low or equal */
- case 0xec46: /* LOCGHI - load halfword immediate on condition */
- case 0xec59: /* RISBGN - rotate then insert selected bits */
- /* 64-bit gpr destination */
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- break;
+ if (syscall_gdb < 0)
+ {
+ printf_unfiltered (_("Process record and replay target doesn't "
+ "support syscall number %s\n"),
+ plongest (syscall_native));
+ return -1;
+ }
- /* 0xec47-0xec4d undefined */
+ if (syscall_gdb == gdb_sys_sigreturn
+ || syscall_gdb == gdb_sys_rt_sigreturn)
+ {
+ if (s390_all_but_pc_registers_record (regcache))
+ return -1;
+ return 0;
+ }
- case 0xec4e: /* LOCHHI - load halfword immediate on condition */
- case 0xec5d: /* RISBHG - rotate then insert selected bits high */
- /* 32-bit high gpr destination */
- if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
- return -1;
- break;
-
- /* 0xec4f-0xec50 undefined */
- /* 0xec52-0xec53 undefined */
-
- case 0xec54: /* RNSBG - rotate then and selected bits */
- case 0xec55: /* RISBG - rotate then insert selected bits */
- case 0xec56: /* ROSBG - rotate then or selected bits */
- case 0xec57: /* RXSBG - rotate then xor selected bits */
- case 0xecd9: /* AGHIK - add immediate */
- case 0xecdb: /* ALGHSIK - add logical immediate */
- /* 64-bit gpr destination + flags */
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
-
- /* 0xec58 undefined */
- /* 0xec5a-0xec5c undefined */
- /* 0xec5e-0xec63 undefined */
-
- case 0xec64: /* CGRJ - compare and branch relative */
- case 0xec65: /* CLGRJ - compare logical and branch relative */
- case 0xec76: /* CRJ - compare and branch relative */
- case 0xec77: /* CLRJ - compare logical and branch relative */
- case 0xec7c: /* CGIJ - compare immediate and branch relative */
- case 0xec7d: /* CLGIJ - compare logical immediate and branch relative */
- case 0xec7e: /* CIJ - compare immediate and branch relative */
- case 0xec7f: /* CLIJ - compare logical immediate and branch relative */
- case 0xece4: /* CGRB - compare and branch */
- case 0xece5: /* CLGRB - compare logical and branch */
- case 0xecf6: /* CRB - compare and branch */
- case 0xecf7: /* CLRB - compare logical and branch */
- case 0xecfc: /* CGIB - compare immediate and branch */
- case 0xecfd: /* CLGIB - compare logical immediate and branch */
- case 0xecfe: /* CIB - compare immediate and branch */
- case 0xecff: /* CLIB - compare logical immediate and branch */
- break;
-
- /* 0xec66-0xec6f undefined */
-
- case 0xec70: /* CGIT - compare immediate and trap */
- case 0xec71: /* CLGIT - compare logical immediate and trap */
- case 0xec72: /* CIT - compare immediate and trap */
- case 0xec73: /* CLFIT - compare logical immediate and trap */
- /* fpc only - including possible DXC write for trapping insns */
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
+ if (tdep->abi == ABI_LINUX_ZSERIES)
+ ret = record_linux_system_call (syscall_gdb, regcache,
+ &s390x_linux_record_tdep);
+ else
+ ret = record_linux_system_call (syscall_gdb, regcache,
+ &s390_linux_record_tdep);
- /* 0xec74-0xec75 undefined */
- /* 0xec78-0xec7b undefined */
+ if (ret)
+ return ret;
- /* 0xec80-0xecd7 undefined */
+ /* Record the return value of the system call. */
+ if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM))
+ return -1;
- case 0xecd8: /* AHIK - add immediate */
- case 0xecda: /* ALHSIK - add logical immediate */
- /* 32-bit gpr destination + flags */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- break;
+ return 0;
+}
- /* 0xecdc-0xece3 undefined */
- /* 0xece6-0xecf5 undefined */
- /* 0xecf8-0xecfb undefined */
+/* Implement process_record_signal gdbarch method. */
- default:
- goto UNKNOWN_OP;
- }
- break;
+static int
+s390_linux_record_signal (struct gdbarch *gdbarch, struct regcache *regcache,
+ enum gdb_signal signal)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ /* There are two kinds of signal frames on s390. rt_sigframe is always
+ the larger one, so don't even bother with sigframe. */
+ const int sizeof_rt_sigframe = (tdep->abi == ABI_LINUX_ZSERIES ?
+ 160 + 8 + 128 + 1024 : 96 + 8 + 128 + 1000);
+ ULONGEST sp;
+ int i;
- case 0xee: /* PLO - perform locked operation */
- regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0);
- if (!(tmp & 0x100))
- {
- uint8_t fc = tmp & 0xff;
- gdb_byte buf[8];
- switch (fc)
- {
- case 0x00: /* CL */
- /* op1c */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- /* op3 */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
- return -1;
- break;
-
- case 0x01: /* CLG */
- /* op1c */
- if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8))
- return -1;
- /* op3 */
- if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8))
- return -1;
- break;
-
- case 0x02: /* CLGR */
- /* op1c */
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- /* op3 */
- if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
- return -1;
- break;
-
- case 0x03: /* CLX */
- /* op1c */
- if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16))
- return -1;
- /* op3 */
- if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16))
- return -1;
- break;
-
- case 0x08: /* DCS */
- /* op3c */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
- return -1;
- /* fallthru */
- case 0x0c: /* CSST */
- /* op4 */
- if (record_full_arch_list_add_mem (oaddr2, 4))
- return -1;
- goto CS;
-
- case 0x14: /* CSTST */
- /* op8 */
- if (target_read_memory (oaddr2 + 0x88, buf, 8))
- return -1;
- oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
- oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
- if (record_full_arch_list_add_mem (oaddr3, 4))
- return -1;
- /* fallthru */
- case 0x10: /* CSDST */
- /* op6 */
- if (target_read_memory (oaddr2 + 0x68, buf, 8))
- return -1;
- oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
- oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
- if (record_full_arch_list_add_mem (oaddr3, 4))
- return -1;
- /* op4 */
- if (target_read_memory (oaddr2 + 0x48, buf, 8))
- return -1;
- oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
- oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
- if (record_full_arch_list_add_mem (oaddr3, 4))
- return -1;
- /* fallthru */
- case 0x04: /* CS */
-CS:
- /* op1c */
- if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
- return -1;
- /* op2 */
- if (record_full_arch_list_add_mem (oaddr, 4))
- return -1;
- break;
-
- case 0x09: /* DCSG */
- /* op3c */
- if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8))
- return -1;
- goto CSSTG;
-
- case 0x15: /* CSTSTG */
- /* op8 */
- if (target_read_memory (oaddr2 + 0x88, buf, 8))
- return -1;
- oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
- oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
- if (record_full_arch_list_add_mem (oaddr3, 8))
- return -1;
- /* fallthru */
- case 0x11: /* CSDSTG */
- /* op6 */
- if (target_read_memory (oaddr2 + 0x68, buf, 8))
- return -1;
- oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
- oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
- if (record_full_arch_list_add_mem (oaddr3, 8))
- return -1;
- /* fallthru */
- case 0x0d: /* CSSTG */
-CSSTG:
- /* op4 */
- if (target_read_memory (oaddr2 + 0x48, buf, 8))
- return -1;
- oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
- oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
- if (record_full_arch_list_add_mem (oaddr3, 8))
- return -1;
- /* fallthru */
- case 0x05: /* CSG */
- /* op1c */
- if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8))
- return -1;
- /* op2 */
- if (record_full_arch_list_add_mem (oaddr, 8))
- return -1;
- break;
-
- case 0x0a: /* DCSGR */
- /* op3c */
- if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
- return -1;
- /* fallthru */
- case 0x0e: /* CSSTGR */
- /* op4 */
- if (record_full_arch_list_add_mem (oaddr2, 8))
- return -1;
- goto CSGR;
-
- case 0x16: /* CSTSTGR */
- /* op8 */
- if (target_read_memory (oaddr2 + 0x88, buf, 8))
- return -1;
- oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
- oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
- if (record_full_arch_list_add_mem (oaddr3, 8))
- return -1;
- /* fallthru */
- case 0x12: /* CSDSTGR */
- /* op6 */
- if (target_read_memory (oaddr2 + 0x68, buf, 8))
- return -1;
- oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
- oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
- if (record_full_arch_list_add_mem (oaddr3, 8))
- return -1;
- /* op4 */
- if (target_read_memory (oaddr2 + 0x48, buf, 8))
- return -1;
- oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
- oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
- if (record_full_arch_list_add_mem (oaddr3, 8))
- return -1;
- /* fallthru */
- case 0x06: /* CSGR */
-CSGR:
- /* op1c */
- if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
- return -1;
- /* op2 */
- if (record_full_arch_list_add_mem (oaddr, 8))
- return -1;
- break;
-
- case 0x0b: /* DCSX */
- /* op3c */
- if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16))
- return -1;
- goto CSSTX;
-
- case 0x17: /* CSTSTX */
- /* op8 */
- if (target_read_memory (oaddr2 + 0x88, buf, 8))
- return -1;
- oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
- oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
- if (record_full_arch_list_add_mem (oaddr3, 16))
- return -1;
- /* fallthru */
- case 0x13: /* CSDSTX */
- /* op6 */
- if (target_read_memory (oaddr2 + 0x68, buf, 8))
- return -1;
- oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
- oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
- if (record_full_arch_list_add_mem (oaddr3, 16))
- return -1;
- /* fallthru */
- case 0x0f: /* CSSTX */
-CSSTX:
- /* op4 */
- if (target_read_memory (oaddr2 + 0x48, buf, 8))
- return -1;
- oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
- oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
- if (record_full_arch_list_add_mem (oaddr3, 16))
- return -1;
- /* fallthru */
- case 0x07: /* CSX */
- /* op1c */
- if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16))
- return -1;
- /* op2 */
- if (record_full_arch_list_add_mem (oaddr, 16))
- return -1;
- break;
-
- default:
- fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PLO FC %02x at %s.\n",
- fc, paddress (gdbarch, addr));
- return -1;
- }
- }
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
+ for (i = 0; i < 16; i++)
+ {
+ if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
return -1;
- break;
-
- case 0xef: /* LMD - load multiple disjoint */
- for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
- if (s390_record_gpr_g (gdbarch, regcache, i))
+ if (tdep->gpr_full_regnum != -1)
+ if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
return -1;
- if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
- return -1;
- break;
-
- case 0xf0: /* SRP - shift and round decimal */
- case 0xf8: /* ZAP - zero and add */
- case 0xfa: /* AP - add decimal */
- case 0xfb: /* SP - subtract decimal */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, inib[2] + 1))
- return -1;
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- /* DXC may be written */
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0xf1: /* MVO - move with offset */
- case 0xf2: /* PACK - pack */
- case 0xf3: /* UNPK - unpack */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, inib[2] + 1))
- return -1;
- break;
-
- /* 0xf4-0xf7 undefined */
-
- case 0xf9: /* CP - compare decimal */
- if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
- return -1;
- /* DXC may be written */
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- case 0xfc: /* MP - multiply decimal */
- case 0xfd: /* DP - divide decimal */
- oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
- if (record_full_arch_list_add_mem (oaddr, inib[2] + 1))
- return -1;
- /* DXC may be written */
- if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
- return -1;
- break;
-
- /* 0xfe-0xff undefined */
+ }
+ if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM))
+ return -1;
+ if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
+ return -1;
- default:
-UNKNOWN_OP:
- fprintf_unfiltered (gdb_stdlog, "Warning: Don't know how to record %04x "
- "at %s.\n", insn[0], paddress (gdbarch, addr));
- return -1;
- }
+ /* Record the change in the stack.
+ frame-size = sizeof (struct rt_sigframe) + SIGNAL_FRAMESIZE */
+ regcache_raw_read_unsigned (regcache, S390_SP_REGNUM, &sp);
+ sp -= sizeof_rt_sigframe;
- if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM))
+ if (record_full_arch_list_add_mem (sp, sizeof_rt_sigframe))
return -1;
+
if (record_full_arch_list_add_end ())
return -1;
+
return 0;
}
record_tdep->ioctl_FIOQSIZE = 0x545e;
}
-/* Set up gdbarch struct. */
+/* Initialize OSABI common for GNU/Linux on 31- and 64-bit systems. */
-static struct gdbarch *
-s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
+static void
+s390_linux_init_abi_any (struct gdbarch_info info, struct gdbarch *gdbarch)
{
- const struct target_desc *tdesc = info.target_desc;
- struct tdesc_arch_data *tdesc_data = NULL;
- struct gdbarch *gdbarch;
- struct gdbarch_tdep *tdep;
- enum s390_abi_kind tdep_abi;
- enum s390_vector_abi_kind vector_abi;
- int have_upper = 0;
- int have_linux_v1 = 0;
- int have_linux_v2 = 0;
- int have_tdb = 0;
- int have_vx = 0;
- int first_pseudo_reg, last_pseudo_reg;
- static const char *const stap_register_prefixes[] = { "%", NULL };
- static const char *const stap_register_indirection_prefixes[] = { "(",
- NULL };
- static const char *const stap_register_indirection_suffixes[] = { ")",
- NULL };
-
- /* Default ABI and register size. */
- switch (info.bfd_arch_info->mach)
- {
- case bfd_mach_s390_31:
- tdep_abi = ABI_LINUX_S390;
- break;
-
- case bfd_mach_s390_64:
- tdep_abi = ABI_LINUX_ZSERIES;
- break;
-
- default:
- return NULL;
- }
-
- /* Use default target description if none provided by the target. */
- if (!tdesc_has_registers (tdesc))
- {
- if (tdep_abi == ABI_LINUX_S390)
- tdesc = tdesc_s390_linux32;
- else
- tdesc = tdesc_s390x_linux64;
- }
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- /* Check any target description for validity. */
- if (tdesc_has_registers (tdesc))
- {
- static const char *const gprs[] = {
- "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
- "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
- };
- static const char *const fprs[] = {
- "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
- "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15"
- };
- static const char *const acrs[] = {
- "acr0", "acr1", "acr2", "acr3", "acr4", "acr5", "acr6", "acr7",
- "acr8", "acr9", "acr10", "acr11", "acr12", "acr13", "acr14", "acr15"
- };
- static const char *const gprs_lower[] = {
- "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l",
- "r8l", "r9l", "r10l", "r11l", "r12l", "r13l", "r14l", "r15l"
- };
- static const char *const gprs_upper[] = {
- "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h",
- "r8h", "r9h", "r10h", "r11h", "r12h", "r13h", "r14h", "r15h"
- };
- static const char *const tdb_regs[] = {
- "tdb0", "tac", "tct", "atia",
- "tr0", "tr1", "tr2", "tr3", "tr4", "tr5", "tr6", "tr7",
- "tr8", "tr9", "tr10", "tr11", "tr12", "tr13", "tr14", "tr15"
- };
- static const char *const vxrs_low[] = {
- "v0l", "v1l", "v2l", "v3l", "v4l", "v5l", "v6l", "v7l", "v8l",
- "v9l", "v10l", "v11l", "v12l", "v13l", "v14l", "v15l",
- };
- static const char *const vxrs_high[] = {
- "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24",
- "v25", "v26", "v27", "v28", "v29", "v30", "v31",
- };
- const struct tdesc_feature *feature;
- int i, valid_p = 1;
-
- feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.core");
- if (feature == NULL)
- return NULL;
-
- tdesc_data = tdesc_data_alloc ();
-
- valid_p &= tdesc_numbered_register (feature, tdesc_data,
- S390_PSWM_REGNUM, "pswm");
- valid_p &= tdesc_numbered_register (feature, tdesc_data,
- S390_PSWA_REGNUM, "pswa");
-
- if (tdesc_unnumbered_register (feature, "r0"))
- {
- for (i = 0; i < 16; i++)
- valid_p &= tdesc_numbered_register (feature, tdesc_data,
- S390_R0_REGNUM + i, gprs[i]);
- }
- else
- {
- have_upper = 1;
-
- for (i = 0; i < 16; i++)
- valid_p &= tdesc_numbered_register (feature, tdesc_data,
- S390_R0_REGNUM + i,
- gprs_lower[i]);
- for (i = 0; i < 16; i++)
- valid_p &= tdesc_numbered_register (feature, tdesc_data,
- S390_R0_UPPER_REGNUM + i,
- gprs_upper[i]);
- }
-
- feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.fpr");
- if (feature == NULL)
- {
- tdesc_data_cleanup (tdesc_data);
- return NULL;
- }
-
- valid_p &= tdesc_numbered_register (feature, tdesc_data,
- S390_FPC_REGNUM, "fpc");
- for (i = 0; i < 16; i++)
- valid_p &= tdesc_numbered_register (feature, tdesc_data,
- S390_F0_REGNUM + i, fprs[i]);
-
- feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.acr");
- if (feature == NULL)
- {
- tdesc_data_cleanup (tdesc_data);
- return NULL;
- }
-
- for (i = 0; i < 16; i++)
- valid_p &= tdesc_numbered_register (feature, tdesc_data,
- S390_A0_REGNUM + i, acrs[i]);
-
- /* Optional GNU/Linux-specific "registers". */
- feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.linux");
- if (feature)
- {
- tdesc_numbered_register (feature, tdesc_data,
- S390_ORIG_R2_REGNUM, "orig_r2");
-
- if (tdesc_numbered_register (feature, tdesc_data,
- S390_LAST_BREAK_REGNUM, "last_break"))
- have_linux_v1 = 1;
-
- if (tdesc_numbered_register (feature, tdesc_data,
- S390_SYSTEM_CALL_REGNUM, "system_call"))
- have_linux_v2 = 1;
-
- if (have_linux_v2 > have_linux_v1)
- valid_p = 0;
- }
-
- /* Transaction diagnostic block. */
- feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.tdb");
- if (feature)
- {
- for (i = 0; i < ARRAY_SIZE (tdb_regs); i++)
- valid_p &= tdesc_numbered_register (feature, tdesc_data,
- S390_TDB_DWORD0_REGNUM + i,
- tdb_regs[i]);
- have_tdb = 1;
- }
-
- /* Vector registers. */
- feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.vx");
- if (feature)
- {
- for (i = 0; i < 16; i++)
- valid_p &= tdesc_numbered_register (feature, tdesc_data,
- S390_V0_LOWER_REGNUM + i,
- vxrs_low[i]);
- for (i = 0; i < 16; i++)
- valid_p &= tdesc_numbered_register (feature, tdesc_data,
- S390_V16_REGNUM + i,
- vxrs_high[i]);
- have_vx = 1;
- }
-
- if (!valid_p)
- {
- tdesc_data_cleanup (tdesc_data);
- return NULL;
- }
- }
+ tdep->s390_syscall_record = s390_linux_syscall_record;
- /* Determine vector ABI. */
- vector_abi = S390_VECTOR_ABI_NONE;
-#ifdef HAVE_ELF
- if (have_vx
- && info.abfd != NULL
- && info.abfd->format == bfd_object
- && bfd_get_flavour (info.abfd) == bfd_target_elf_flavour
- && bfd_elf_get_obj_attr_int (info.abfd, OBJ_ATTR_GNU,
- Tag_GNU_S390_ABI_Vector) == 2)
- vector_abi = S390_VECTOR_ABI_128;
-#endif
-
- /* Find a candidate among extant architectures. */
- for (arches = gdbarch_list_lookup_by_info (arches, &info);
- arches != NULL;
- arches = gdbarch_list_lookup_by_info (arches->next, &info))
- {
- tdep = gdbarch_tdep (arches->gdbarch);
- if (!tdep)
- continue;
- if (tdep->abi != tdep_abi)
- continue;
- if (tdep->vector_abi != vector_abi)
- continue;
- if ((tdep->gpr_full_regnum != -1) != have_upper)
- continue;
- if (tdesc_data != NULL)
- tdesc_data_cleanup (tdesc_data);
- return arches->gdbarch;
- }
+ linux_init_abi (info, gdbarch);
- /* Otherwise create a new gdbarch for the specified machine type. */
- tdep = XCNEW (struct gdbarch_tdep);
- tdep->abi = tdep_abi;
- tdep->vector_abi = vector_abi;
- tdep->have_linux_v1 = have_linux_v1;
- tdep->have_linux_v2 = have_linux_v2;
- tdep->have_tdb = have_tdb;
- gdbarch = gdbarch_alloc (&info, tdep);
-
- set_gdbarch_believe_pcc_promotion (gdbarch, 0);
- set_gdbarch_char_signed (gdbarch, 0);
-
- /* S/390 GNU/Linux uses either 64-bit or 128-bit long doubles.
- We can safely let them default to 128-bit, since the debug info
- will give the size of type actually used in each case. */
- set_gdbarch_long_double_bit (gdbarch, 128);
- set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
-
- /* Amount PC must be decremented by after a breakpoint. This is
- often the number of bytes returned by gdbarch_breakpoint_from_pc but not
- always. */
- set_gdbarch_decr_pc_after_break (gdbarch, 2);
- /* Stack grows downward. */
- set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
- set_gdbarch_breakpoint_kind_from_pc (gdbarch, s390_breakpoint::kind_from_pc);
- set_gdbarch_sw_breakpoint_from_kind (gdbarch, s390_breakpoint::bp_from_kind);
- set_gdbarch_software_single_step (gdbarch, s390_software_single_step);
- set_gdbarch_displaced_step_hw_singlestep (gdbarch, s390_displaced_step_hw_singlestep);
- set_gdbarch_skip_prologue (gdbarch, s390_skip_prologue);
- set_gdbarch_stack_frame_destroyed_p (gdbarch, s390_stack_frame_destroyed_p);
-
- set_gdbarch_num_regs (gdbarch, S390_NUM_REGS);
- set_gdbarch_sp_regnum (gdbarch, S390_SP_REGNUM);
- set_gdbarch_fp0_regnum (gdbarch, S390_F0_REGNUM);
- set_gdbarch_stab_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum);
- set_gdbarch_dwarf2_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum);
- set_gdbarch_value_from_register (gdbarch, s390_value_from_register);
+ /* Register handling. */
set_gdbarch_core_read_description (gdbarch, s390_core_read_description);
set_gdbarch_iterate_over_regset_sections (gdbarch,
s390_iterate_over_regset_sections);
- set_gdbarch_cannot_store_register (gdbarch, s390_cannot_store_register);
set_gdbarch_write_pc (gdbarch, s390_write_pc);
- set_gdbarch_guess_tracepoint_registers (gdbarch, s390_guess_tracepoint_registers);
- set_gdbarch_pseudo_register_read (gdbarch, s390_pseudo_register_read);
- set_gdbarch_pseudo_register_write (gdbarch, s390_pseudo_register_write);
- set_tdesc_pseudo_register_name (gdbarch, s390_pseudo_register_name);
- set_tdesc_pseudo_register_type (gdbarch, s390_pseudo_register_type);
- set_tdesc_pseudo_register_reggroup_p (gdbarch,
- s390_pseudo_register_reggroup_p);
- set_gdbarch_ax_pseudo_register_collect (gdbarch,
- s390_ax_pseudo_register_collect);
- set_gdbarch_ax_pseudo_register_push_stack
- (gdbarch, s390_ax_pseudo_register_push_stack);
- set_gdbarch_gen_return_address (gdbarch, s390_gen_return_address);
- tdesc_use_registers (gdbarch, tdesc, tdesc_data);
- set_gdbarch_register_name (gdbarch, s390_register_name);
-
- /* Assign pseudo register numbers. */
- first_pseudo_reg = gdbarch_num_regs (gdbarch);
- last_pseudo_reg = first_pseudo_reg;
- tdep->gpr_full_regnum = -1;
- if (have_upper)
- {
- tdep->gpr_full_regnum = last_pseudo_reg;
- last_pseudo_reg += 16;
- }
- tdep->v0_full_regnum = -1;
- if (have_vx)
- {
- tdep->v0_full_regnum = last_pseudo_reg;
- last_pseudo_reg += 16;
- }
- tdep->pc_regnum = last_pseudo_reg++;
- tdep->cc_regnum = last_pseudo_reg++;
- set_gdbarch_pc_regnum (gdbarch, tdep->pc_regnum);
- set_gdbarch_num_pseudo_regs (gdbarch, last_pseudo_reg - first_pseudo_reg);
-
- /* Inferior function calls. */
- set_gdbarch_push_dummy_call (gdbarch, s390_push_dummy_call);
- set_gdbarch_dummy_id (gdbarch, s390_dummy_id);
- set_gdbarch_frame_align (gdbarch, s390_frame_align);
- set_gdbarch_return_value (gdbarch, s390_return_value);
+ set_gdbarch_cannot_store_register (gdbarch, s390_cannot_store_register);
/* Syscall handling. */
set_gdbarch_get_syscall_number (gdbarch, s390_linux_get_syscall_number);
/* Frame handling. */
- dwarf2_frame_set_init_reg (gdbarch, s390_dwarf2_frame_init_reg);
- dwarf2_frame_set_adjust_regnum (gdbarch, s390_adjust_frame_regnum);
- dwarf2_append_unwinders (gdbarch);
- frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer);
- frame_unwind_append_unwinder (gdbarch, &s390_stub_frame_unwind);
frame_unwind_append_unwinder (gdbarch, &s390_sigtramp_frame_unwind);
- frame_unwind_append_unwinder (gdbarch, &s390_frame_unwind);
- frame_base_set_default (gdbarch, &s390_frame_base);
- set_gdbarch_unwind_pc (gdbarch, s390_unwind_pc);
- set_gdbarch_unwind_sp (gdbarch, s390_unwind_sp);
-
- /* Displaced stepping. */
- set_gdbarch_displaced_step_copy_insn (gdbarch,
- s390_displaced_step_copy_insn);
- set_gdbarch_displaced_step_fixup (gdbarch, s390_displaced_step_fixup);
- set_gdbarch_displaced_step_free_closure (gdbarch,
- simple_displaced_step_free_closure);
- set_gdbarch_displaced_step_location (gdbarch, linux_displaced_step_location);
- set_gdbarch_max_insn_length (gdbarch, S390_MAX_INSTR_SIZE);
-
- /* Note that GNU/Linux is the only OS supported on this
- platform. */
- linux_init_abi (info, gdbarch);
-
- switch (tdep->abi)
- {
- case ABI_LINUX_S390:
- set_gdbarch_addr_bits_remove (gdbarch, s390_addr_bits_remove);
- set_solib_svr4_fetch_link_map_offsets
- (gdbarch, svr4_ilp32_fetch_link_map_offsets);
-
- set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390);
- break;
-
- case ABI_LINUX_ZSERIES:
- set_gdbarch_long_bit (gdbarch, 64);
- set_gdbarch_long_long_bit (gdbarch, 64);
- set_gdbarch_ptr_bit (gdbarch, 64);
- set_solib_svr4_fetch_link_map_offsets
- (gdbarch, svr4_lp64_fetch_link_map_offsets);
- set_gdbarch_address_class_type_flags (gdbarch,
- s390_address_class_type_flags);
- set_gdbarch_address_class_type_flags_to_name (gdbarch,
- s390_address_class_type_flags_to_name);
- set_gdbarch_address_class_name_to_type_flags (gdbarch,
- s390_address_class_name_to_type_flags);
- set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390X);
- break;
- }
-
- set_gdbarch_print_insn (gdbarch, print_insn_s390);
-
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
/* Enable TLS support. */
set_gdbarch_fetch_tls_load_module_address (gdbarch,
svr4_fetch_objfile_link_map);
- /* SystemTap functions. */
- set_gdbarch_stap_register_prefixes (gdbarch, stap_register_prefixes);
- set_gdbarch_stap_register_indirection_prefixes (gdbarch,
- stap_register_indirection_prefixes);
- set_gdbarch_stap_register_indirection_suffixes (gdbarch,
- stap_register_indirection_suffixes);
- set_gdbarch_stap_is_single_operand (gdbarch, s390_stap_is_single_operand);
- set_gdbarch_gcc_target_options (gdbarch, s390_gcc_target_options);
- set_gdbarch_gnu_triplet_regexp (gdbarch, s390_gnu_triplet_regexp);
-
/* Support reverse debugging. */
-
- set_gdbarch_process_record (gdbarch, s390_process_record);
set_gdbarch_process_record_signal (gdbarch, s390_linux_record_signal);
-
s390_init_linux_record_tdep (&s390_linux_record_tdep, ABI_LINUX_S390);
s390_init_linux_record_tdep (&s390x_linux_record_tdep, ABI_LINUX_ZSERIES);
+}
+
+/* Initialize OSABI for GNU/Linux on 31-bit systems. */
+
+static void
+s390_linux_init_abi_31 (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+ const struct target_desc *tdesc = info.target_desc;
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ tdep->abi = ABI_LINUX_S390;
- set_gdbarch_disassembler_options (gdbarch, &s390_disassembler_options);
- set_gdbarch_valid_disassembler_options (gdbarch,
- disassembler_options_s390 ());
+ s390_linux_init_abi_any (info, gdbarch);
- return gdbarch;
+ set_solib_svr4_fetch_link_map_offsets (gdbarch,
+ svr4_ilp32_fetch_link_map_offsets);
+ set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390);
}
+/* Initialize OSABI for GNU/Linux on 64-bit systems. */
-extern initialize_file_ftype _initialize_s390_tdep; /* -Wmissing-prototypes */
+static void
+s390_linux_init_abi_64 (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+ const struct target_desc *tdesc = info.target_desc;
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ tdep->abi = ABI_LINUX_ZSERIES;
+
+ s390_linux_init_abi_any (info, gdbarch);
+
+ set_solib_svr4_fetch_link_map_offsets (gdbarch,
+ svr4_lp64_fetch_link_map_offsets);
+ set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390X);
+}
void
-_initialize_s390_tdep (void)
+_initialize_s390_linux_tdep (void)
{
- /* Hook us into the gdbarch mechanism. */
- register_gdbarch_init (bfd_arch_s390, s390_gdbarch_init);
+ /* Hook us into the OSABI mechanism. */
+ gdbarch_register_osabi (bfd_arch_s390, bfd_mach_s390_31, GDB_OSABI_LINUX,
+ s390_linux_init_abi_31);
+ gdbarch_register_osabi (bfd_arch_s390, bfd_mach_s390_64, GDB_OSABI_LINUX,
+ s390_linux_init_abi_64);
/* Initialize the GNU/Linux target descriptions. */
- initialize_tdesc_s390_linux32 ();
initialize_tdesc_s390_linux32v1 ();
initialize_tdesc_s390_linux32v2 ();
initialize_tdesc_s390_linux64 ();
initialize_tdesc_s390_te_linux64 ();
initialize_tdesc_s390_vx_linux64 ();
initialize_tdesc_s390_tevx_linux64 ();
- initialize_tdesc_s390x_linux64 ();
+ initialize_tdesc_s390_gs_linux64 ();
initialize_tdesc_s390x_linux64v1 ();
initialize_tdesc_s390x_linux64v2 ();
initialize_tdesc_s390x_te_linux64 ();
initialize_tdesc_s390x_vx_linux64 ();
initialize_tdesc_s390x_tevx_linux64 ();
+ initialize_tdesc_s390x_gs_linux64 ();
}
projects / binutils.git / blobdiff