/* tc-m68k.c -- Assemble for the m68k family
Copyright 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to the Free
- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
#include "as.h"
#include "safe-ctype.h"
changed in read.c . Ideally it shouldn't have to know about it at all,
but nothing is ideal around here. */
-const int md_reloc_size = 8; /* Size of relocation record. */
-
/* Are we trying to generate PIC code? If so, absolute references
ought to be made into linkage table references or pc-relative
references. Not implemented. For ELF there are other means
#define getone(x) ((((x)->m_opcode)>>16)&0xffff)
#define gettwo(x) (((x)->m_opcode)&0xffff)
-static const enum m68k_register m68000_control_regs[] = { 0 };
-static const enum m68k_register m68010_control_regs[] = {
+static const enum m68k_register m68000_ctrl[] = { 0 };
+static const enum m68k_register m68010_ctrl[] = {
SFC, DFC, USP, VBR,
0
};
-static const enum m68k_register m68020_control_regs[] = {
+static const enum m68k_register m68020_ctrl[] = {
SFC, DFC, USP, VBR, CACR, CAAR, MSP, ISP,
0
};
-static const enum m68k_register m68040_control_regs[] = {
+static const enum m68k_register m68040_ctrl[] = {
SFC, DFC, CACR, TC, ITT0, ITT1, DTT0, DTT1,
USP, VBR, MSP, ISP, MMUSR, URP, SRP,
0
};
-static const enum m68k_register m68060_control_regs[] = {
+static const enum m68k_register m68060_ctrl[] = {
SFC, DFC, CACR, TC, ITT0, ITT1, DTT0, DTT1, BUSCR,
USP, VBR, URP, SRP, PCR,
0
};
-static const enum m68k_register mcf_control_regs[] = {
+static const enum m68k_register mcf_ctrl[] = {
CACR, TC, ACR0, ACR1, ACR2, ACR3, VBR, ROMBAR,
- RAMBAR0, RAMBAR1, MBAR,
+ RAMBAR0, RAMBAR1, RAMBAR, MBAR,
+ 0
+};
+static const enum m68k_register mcf51qe_ctrl[] = {
+ VBR,
+ 0
+};
+static const enum m68k_register mcf5206_ctrl[] = {
+ CACR, ACR0, ACR1, VBR, RAMBAR0, RAMBAR_ALT, MBAR,
+ 0
+};
+static const enum m68k_register mcf5208_ctrl[] = {
+ CACR, ACR0, ACR1, VBR, RAMBAR, RAMBAR1,
+ 0
+};
+static const enum m68k_register mcf5210a_ctrl[] = {
+ VBR, CACR, ACR0, ACR1, ROMBAR, RAMBAR, RAMBAR1, MBAR,
+ 0
+};
+static const enum m68k_register mcf5213_ctrl[] = {
+ VBR, RAMBAR, RAMBAR1, FLASHBAR,
+ 0
+};
+static const enum m68k_register mcf5216_ctrl[] = {
+ VBR, CACR, ACR0, ACR1, FLASHBAR, RAMBAR, RAMBAR1,
+ 0
+};
+static const enum m68k_register mcf52223_ctrl[] = {
+ VBR, CACR, ACR0, ACR1, FLASHBAR, RAMBAR, RAMBAR1,
+ 0
+};
+static const enum m68k_register mcf52235_ctrl[] = {
+ VBR, CACR, ACR0, ACR1, FLASHBAR, RAMBAR, RAMBAR1,
+ 0
+};
+static const enum m68k_register mcf5225_ctrl[] = {
+ VBR, CACR, ACR0, ACR1, FLASHBAR, RAMBAR, MBAR, RAMBAR1,
+ 0
+};
+static const enum m68k_register mcf5235_ctrl[] = {
+ VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1,
+ 0
+};
+static const enum m68k_register mcf5249_ctrl[] = {
+ VBR, CACR, ACR0, ACR1, RAMBAR0, RAMBAR1, RAMBAR, MBAR, MBAR2,
+ 0
+};
+static const enum m68k_register mcf5250_ctrl[] = {
+ VBR,
+ 0
+};
+static const enum m68k_register mcf5253_ctrl[] = {
+ VBR, CACR, ACR0, ACR1, RAMBAR0, RAMBAR1, RAMBAR, MBAR, MBAR2,
+ 0
+};
+static const enum m68k_register mcf5271_ctrl[] = {
+ VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1,
+ 0
+};
+static const enum m68k_register mcf5272_ctrl[] = {
+ VBR, CACR, ACR0, ACR1, ROMBAR, RAMBAR_ALT, RAMBAR0, MBAR,
+ 0
+};
+static const enum m68k_register mcf5275_ctrl[] = {
+ VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1,
+ 0
+};
+static const enum m68k_register mcf5282_ctrl[] = {
+ VBR, CACR, ACR0, ACR1, FLASHBAR, RAMBAR, RAMBAR1,
+ 0
+};
+static const enum m68k_register mcf5307_ctrl[] = {
+ CACR, ACR0, ACR1, VBR, RAMBAR0, RAMBAR_ALT, MBAR,
0
};
-static const enum m68k_register mcf5249_control_regs[] = {
- CACR, ACR0, ACR1, VBR, RAMBAR0, RAMBAR1, MBAR, MBAR2,
+static const enum m68k_register mcf5329_ctrl[] = {
+ VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1,
0
};
-static const enum m68k_register mcf528x_control_regs[] = {
- CACR, ACR0, ACR1, VBR, FLASHBAR, RAMBAR,
+static const enum m68k_register mcf5373_ctrl[] = {
+ VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1,
0
};
-static const enum m68k_register mcfv4e_control_regs[] = {
- CACR, TC, ITT0, ITT1, DTT0, DTT1, BUSCR, VBR, PC, ROMBAR,
- ROMBAR1, RAMBAR0, RAMBAR1, MPCR, EDRAMBAR, SECMBAR, MBAR, MBAR0, MBAR1,
+static const enum m68k_register mcfv4e_ctrl[] = {
+ CACR, ASID, ACR0, ACR1, ACR2, ACR3, MMUBAR,
+ VBR, PC, ROMBAR0, ROMBAR1, RAMBAR0, RAMBAR1,
+ MBAR, SECMBAR,
+ MPCR /* Multiprocessor Control register */,
+ EDRAMBAR /* Embedded DRAM Base Address Register */,
+ /* Permutation control registers. */
PCR1U0, PCR1L0, PCR1U1, PCR1L1, PCR2U0, PCR2L0, PCR2U1, PCR2L1,
PCR3U0, PCR3L0, PCR3U1, PCR3L1,
+ /* Legacy names */
+ TC /* ASID */, BUSCR /* MMUBAR */,
+ ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */,
+ MBAR1 /* MBAR */, MBAR2 /* SECMBAR */, MBAR0 /* SECMBAR */,
+ ROMBAR /* ROMBAR0 */, RAMBAR /* RAMBAR1 */,
+ 0
+};
+static const enum m68k_register mcf5407_ctrl[] = {
+ CACR, ASID, ACR0, ACR1, ACR2, ACR3,
+ VBR, PC, RAMBAR0, RAMBAR1, MBAR,
+ /* Legacy names */
+ TC /* ASID */,
+ ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */,
+ MBAR1 /* MBAR */, RAMBAR /* RAMBAR1 */,
+ 0
+};
+static const enum m68k_register mcf54455_ctrl[] = {
+ CACR, ASID, ACR0, ACR1, ACR2, ACR3, MMUBAR,
+ VBR, PC, RAMBAR1, MBAR,
+ /* Legacy names */
+ TC /* ASID */, BUSCR /* MMUBAR */,
+ ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */,
+ MBAR1 /* MBAR */, RAMBAR /* RAMBAR1 */,
+ 0
+};
+static const enum m68k_register mcf5475_ctrl[] = {
+ CACR, ASID, ACR0, ACR1, ACR2, ACR3, MMUBAR,
+ VBR, PC, RAMBAR0, RAMBAR1, MBAR,
+ /* Legacy names */
+ TC /* ASID */, BUSCR /* MMUBAR */,
+ ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */,
+ MBAR1 /* MBAR */, RAMBAR /* RAMBAR1 */,
+ 0
+};
+static const enum m68k_register mcf5485_ctrl[] = {
+ CACR, ASID, ACR0, ACR1, ACR2, ACR3, MMUBAR,
+ VBR, PC, RAMBAR0, RAMBAR1, MBAR,
+ /* Legacy names */
+ TC /* ASID */, BUSCR /* MMUBAR */,
+ ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */,
+ MBAR1 /* MBAR */, RAMBAR /* RAMBAR1 */,
+ 0
+};
+static const enum m68k_register fido_ctrl[] = {
+ SFC, DFC, USP, VBR, CAC, MBO,
0
};
-#define cpu32_control_regs m68010_control_regs
+#define cpu32_ctrl m68010_ctrl
static const enum m68k_register *control_regs;
reloc[5]; /* Five is enough??? */
};
-#define cpu_of_arch(x) ((x) & (m68000up | mcfisa_a))
+#define cpu_of_arch(x) ((x) & (m68000up | mcfisa_a | fido_a))
#define float_of_arch(x) ((x) & mfloat)
#define mmu_of_arch(x) ((x) & mmmu)
#define arch_coldfire_p(x) ((x) & mcfisa_a)
#define arch_coldfire_fpu(x) ((x) & cfloat)
/* Macros for determining if cpu supports a specific addressing mode. */
-#define HAVE_LONG_BRANCH(x) ((x) & (m68020|m68030|m68040|m68060|cpu32|mcfisa_b))
+#define HAVE_LONG_DISP(x) \
+ ((x) & (m68020|m68030|m68040|m68060|cpu32|fido_a|mcfisa_b|mcfisa_c))
+#define HAVE_LONG_CALL(x) \
+ ((x) & (m68020|m68030|m68040|m68060|cpu32|fido_a|mcfisa_b|mcfisa_c))
+#define HAVE_LONG_COND(x) \
+ ((x) & (m68020|m68030|m68040|m68060|cpu32|fido_a|mcfisa_b|mcfisa_c))
+#define HAVE_LONG_BRANCH(x) \
+ ((x) & (m68020|m68030|m68040|m68060|cpu32|fido_a|mcfisa_b))
+#define LONG_BRANCH_VIA_COND(x) (HAVE_LONG_COND(x) && !HAVE_LONG_BRANCH(x))
static struct m68k_it the_ins; /* The instruction being assembled. */
static void s_mri_until (int);
static void s_mri_while (int);
static void s_mri_endw (int);
+static void s_m68k_cpu (int);
+static void s_m68k_arch (int);
+
+struct m68k_cpu
+{
+ unsigned long arch; /* Architecture features. */
+ const enum m68k_register *control_regs; /* Control regs on chip */
+ const char *name; /* Name */
+ int alias; /* Alias for a cannonical name. If 1, then
+ succeeds canonical name, if -1 then
+ succeeds canonical name, if <-1 ||>1 this is a
+ deprecated name, and the next/previous name
+ should be used. */
+};
+/* We hold flags for features explicitly enabled and explicitly
+ disabled. */
static int current_architecture;
-static int current_chip;
+static int not_current_architecture;
+static const struct m68k_cpu *selected_arch;
+static const struct m68k_cpu *selected_cpu;
+static int initialized;
-struct m68k_cpu
- {
- unsigned long arch;
- unsigned long chip;
- const char *name;
- int alias;
- };
+/* Architecture models. */
+static const struct m68k_cpu m68k_archs[] =
+{
+ {m68000, m68000_ctrl, "68000", 0},
+ {m68010, m68010_ctrl, "68010", 0},
+ {m68020|m68881|m68851, m68020_ctrl, "68020", 0},
+ {m68030|m68881|m68851, m68020_ctrl, "68030", 0},
+ {m68040, m68040_ctrl, "68040", 0},
+ {m68060, m68060_ctrl, "68060", 0},
+ {cpu32|m68881, cpu32_ctrl, "cpu32", 0},
+ {fido_a, fido_ctrl, "fidoa", 0},
+ {mcfisa_a|mcfhwdiv, NULL, "isaa", 0},
+ {mcfisa_a|mcfhwdiv|mcfisa_aa|mcfusp, NULL, "isaaplus", 0},
+ {mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp, NULL, "isab", 0},
+ {mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp, NULL, "isac", 0},
+ {mcfisa_a|mcfhwdiv|mcfisa_b|mcfmac|mcfusp, mcf_ctrl, "cfv4", 0},
+ {mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcfv4e_ctrl, "cfv4e", 0},
+ {0,0,NULL, 0}
+};
-static const struct m68k_cpu archs[] =
- {
- { m68000, m68000, "68000", 0 },
- { m68010, m68010, "68010", 0 },
- { m68020, m68020, "68020", 0 },
- { m68030, m68030, "68030", 0 },
- { m68040, m68040, "68040", 0 },
- { m68060, m68060, "68060", 0 },
- { cpu32, cpu32, "cpu32", 0 },
- { m68881, m68881, "68881", 0 },
- { m68851, m68851, "68851", 0 },
- { mcfisa_a, mcf5200, "5200", 0 },
- { mcfisa_a|mcfhwdiv|mcfmac, mcf5206e, "5206e", 0 },
- { mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf521x, "521x", 0 },
- { mcfisa_a|mcfhwdiv|mcfemac, mcf5249, "5249", 0 },
- { mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf528x, "528x", 0 },
- { mcfisa_a|mcfhwdiv|mcfmac, mcf5307, "5307", 0 },
- { mcfisa_a|mcfhwdiv|mcfisa_b|mcfmac, mcf5407, "5407", 0 },
- { mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcf5470, "547x", 0 },
- { mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcf5480, "548x", 0 },
- /* Aliases (effectively, so far as gas is concerned) for the above
- cpus. */
- { m68020, m68020, "68k", 1 },
- { m68000, m68000, "68008", 1 },
- { m68000, m68000, "68302", 1 },
- { m68000, m68000, "68306", 1 },
- { m68000, m68000, "68307", 1 },
- { m68000, m68000, "68322", 1 },
- { m68000, m68000, "68356", 1 },
- { m68000, m68000, "68ec000", 1 },
- { m68000, m68000, "68hc000", 1 },
- { m68000, m68000, "68hc001", 1 },
- { m68020, m68020, "68ec020", 1 },
- { m68030, m68030, "68ec030", 1 },
- { m68040, m68040, "68ec040", 1 },
- { m68060, m68060, "68ec060", 1 },
- { cpu32, cpu32, "68330", 1 },
- { cpu32, cpu32, "68331", 1 },
- { cpu32, cpu32, "68332", 1 },
- { cpu32, cpu32, "68333", 1 },
- { cpu32, cpu32, "68334", 1 },
- { cpu32, cpu32, "68336", 1 },
- { cpu32, cpu32, "68340", 1 },
- { cpu32, cpu32, "68341", 1 },
- { cpu32, cpu32, "68349", 1 },
- { cpu32, cpu32, "68360", 1 },
- { m68881, m68881, "68882", 1 },
- { mcfisa_a, mcf5200, "5202", 1 },
- { mcfisa_a, mcf5200, "5204", 1 },
- { mcfisa_a, mcf5200, "5206", 1 },
- { mcfisa_a|mcfhwdiv|mcfisa_aa|mcfemac, mcf521x, "5214", 1 },
- { mcfisa_a|mcfhwdiv|mcfisa_aa|mcfemac, mcf521x, "5216", 1 },
- { mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac, mcf528x, "5280", 1 },
- { mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac, mcf528x, "5281", 1 },
- { mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac, mcf528x, "5282", 1 },
- { mcfisa_a|mcfhwdiv|mcfisa_b|mcfmac, mcf5407, "cfv4", 1 },
- { mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcf5470, "5470", 1 },
- { mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcf5470, "5471", 1 },
- { mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcf5470, "5472", 1 },
- { mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcf5470, "5473", 1 },
- { mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcf5470, "5474", 1 },
- { mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcf5470, "5475", 1 },
- { mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcf5470, "5480", 1 },
- { mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcf5470, "5481", 1 },
- { mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcf5470, "5482", 1 },
- { mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcf5470, "5483", 1 },
- { mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcf5470, "5484", 1 },
- { mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcf5470, "5485", 1 },
- { mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcf5470, "cfv4e", 1 },
+/* Architecture extensions, here 'alias' -1 for m68k, +1 for cf and 0
+ for either. */
+static const struct m68k_cpu m68k_extensions[] =
+{
+ {m68851, NULL, "68851", -1},
+ {m68881, NULL, "68881", -1},
+ {m68881, NULL, "68882", -1},
+
+ {cfloat|m68881, NULL, "float", 0},
+
+ {mcfhwdiv, NULL, "div", 1},
+ {mcfusp, NULL, "usp", 1},
+ {mcfmac, NULL, "mac", 1},
+ {mcfemac, NULL, "emac", 1},
+
+ {0,NULL,NULL, 0}
+};
+
+/* Processor list */
+static const struct m68k_cpu m68k_cpus[] =
+{
+ {m68000, m68000_ctrl, "68000", 0},
+ {m68000, m68000_ctrl, "68ec000", 1},
+ {m68000, m68000_ctrl, "68hc000", 1},
+ {m68000, m68000_ctrl, "68hc001", 1},
+ {m68000, m68000_ctrl, "68008", 1},
+ {m68000, m68000_ctrl, "68302", 1},
+ {m68000, m68000_ctrl, "68306", 1},
+ {m68000, m68000_ctrl, "68307", 1},
+ {m68000, m68000_ctrl, "68322", 1},
+ {m68000, m68000_ctrl, "68356", 1},
+ {m68010, m68010_ctrl, "68010", 0},
+ {m68020|m68881|m68851, m68020_ctrl, "68020", 0},
+ {m68020|m68881|m68851, m68020_ctrl, "68k", 1},
+ {m68020|m68881|m68851, m68020_ctrl, "68ec020", 1},
+ {m68030|m68881|m68851, m68020_ctrl, "68030", 0},
+ {m68030|m68881|m68851, m68020_ctrl, "68ec030", 1},
+ {m68040, m68040_ctrl, "68040", 0},
+ {m68040, m68040_ctrl, "68ec040", 1},
+ {m68060, m68060_ctrl, "68060", 0},
+ {m68060, m68060_ctrl, "68ec060", 1},
+
+ {cpu32|m68881, cpu32_ctrl, "cpu32", 0},
+ {cpu32|m68881, cpu32_ctrl, "68330", 1},
+ {cpu32|m68881, cpu32_ctrl, "68331", 1},
+ {cpu32|m68881, cpu32_ctrl, "68332", 1},
+ {cpu32|m68881, cpu32_ctrl, "68333", 1},
+ {cpu32|m68881, cpu32_ctrl, "68334", 1},
+ {cpu32|m68881, cpu32_ctrl, "68336", 1},
+ {cpu32|m68881, cpu32_ctrl, "68340", 1},
+ {cpu32|m68881, cpu32_ctrl, "68341", 1},
+ {cpu32|m68881, cpu32_ctrl, "68349", 1},
+ {cpu32|m68881, cpu32_ctrl, "68360", 1},
+
+ {mcfisa_a|mcfisa_c|mcfusp, mcf51qe_ctrl, "51qe", 0},
+
+ {mcfisa_a, mcf_ctrl, "5200", 0},
+ {mcfisa_a, mcf_ctrl, "5202", 1},
+ {mcfisa_a, mcf_ctrl, "5204", 1},
+ {mcfisa_a, mcf5206_ctrl, "5206", 1},
+
+ {mcfisa_a|mcfhwdiv|mcfmac, mcf5206_ctrl, "5206e", 0},
+
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5208_ctrl, "5207", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5208_ctrl, "5208", 0},
+
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5210a_ctrl, "5210a", 0},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5210a_ctrl, "5211a", 1},
+
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5213_ctrl, "5211", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5213_ctrl, "5212", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5213_ctrl, "5213", 0},
+
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5216_ctrl, "5214", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5216_ctrl, "5216", 0},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5216_ctrl, "521x", 2},
+
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf52223_ctrl, "52221", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf52223_ctrl, "52223", 0},
+
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52235_ctrl, "52230", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52235_ctrl, "52233", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52235_ctrl, "52234", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52235_ctrl, "52235", 0},
+
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5225_ctrl, "5224", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5225_ctrl, "5225", 0},
+
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "5232", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "5233", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "5234", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "5235", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "523x", 0},
+
+ {mcfisa_a|mcfhwdiv|mcfemac, mcf5249_ctrl, "5249", 0},
+ {mcfisa_a|mcfhwdiv|mcfemac, mcf5250_ctrl, "5250", 0},
+ {mcfisa_a|mcfhwdiv|mcfemac, mcf5253_ctrl, "5253", 0},
+
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5271_ctrl, "5270", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5271_ctrl, "5271", 0},
+
+ {mcfisa_a|mcfhwdiv|mcfmac, mcf5272_ctrl, "5272", 0},
+
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5275_ctrl, "5274", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5275_ctrl, "5275", 0},
+
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "5280", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "5281", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "5282", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "528x", 0},
+
+ {mcfisa_a|mcfhwdiv|mcfmac, mcf5307_ctrl, "5307", 0},
+
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "5327", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "5328", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "5329", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "532x", 0},
+
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5373_ctrl, "5372", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5373_ctrl, "5373", -1},
+ {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5373_ctrl, "537x", 0},
+
+ {mcfisa_a|mcfisa_b|mcfhwdiv|mcfmac, mcf5407_ctrl, "5407",0},
+
+ {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54450", -1},
+ {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54451", -1},
+ {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54452", -1},
+ {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54453", -1},
+ {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54454", -1},
+ {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54455", 0},
+
+ {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5470", -1},
+ {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5471", -1},
+ {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5472", -1},
+ {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5473", -1},
+ {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5474", -1},
+ {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5475", -1},
+ {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "547x", 0},
+
+ {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5480", -1},
+ {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5481", -1},
+ {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5482", -1},
+ {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5483", -1},
+ {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5484", -1},
+ {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5485", -1},
+ {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "548x", 0},
+
+ {fido_a, fido_ctrl, "fidoa", 0},
+ {fido_a, fido_ctrl, "fido", 1},
+
+ {0,NULL,NULL, 0}
};
-static const int n_archs = sizeof (archs) / sizeof (archs[0]);
+static const struct m68k_cpu *m68k_lookup_cpu
+(const char *, const struct m68k_cpu *, int, int *);
+static int m68k_set_arch (const char *, int, int);
+static int m68k_set_cpu (const char *, int, int);
+static int m68k_set_extension (const char *, int, int);
+static void m68k_init_arch (void);
/* This is the assembler relaxation table for m68k. m68k is a rich CISC
architecture and we have a lot of relaxation modes. */
#define PCINDEX 8 /* PC + displacement + index. */
#define ABSTOPCREL 9 /* Absolute relax down to 16-bit PC-relative. */
+/* This relaxation is required for branches where there is no long
+ branch and we are in pcrel mode. We generate a bne/beq pair. */
+#define BRANCHBWPL 10 /* Branch byte, word or pair of longs
+ */
+
/* Note that calls to frag_var need to specify the maximum expansion
- needed; this is currently 10 bytes for DBCC. */
+ needed; this is currently 12 bytes for bne/beq pair. */
+#define FRAG_VAR_SIZE 12
/* The fields are:
How far Forward this mode will reach:
{ 32767, -32768, 2, TAB (ABSTOPCREL, LONG) },
{ 0, 0, 4, 0 },
{ 1, 1, 0, 0 },
+
+ { 127, -128, 0, TAB (BRANCHBWPL, SHORT) },
+ { 32767, -32768, 2, TAB (BRANCHBWPL, LONG) },
+ { 0, 0, 10, 0 },
+ { 1, 1, 0, 0 },
};
/* These are the machine dependent pseudo-ops. These are included so
{"extend", float_cons, 'x'},
{"ldouble", float_cons, 'x'},
+ {"arch", s_m68k_arch, 0},
+ {"cpu", s_m68k_cpu, 0},
+
/* The following pseudo-ops are supported for MRI compatibility. */
{"chip", s_chip, 0},
{"comline", s_space, 1},
{0, 0, 0}
};
-#define issbyte(x) ((x) >= -128 && (x) <= 127)
-#define isubyte(x) ((x) >= 0 && (x) <= 255)
-#define issword(x) ((x) >= -32768 && (x) <= 32767)
-#define isuword(x) ((x) >= 0 && (x) <= 65535)
+/* Truncate and sign-extend at 32 bits, so that building on a 64-bit host
+ gives identical results to a 32-bit host. */
+#define TRUNC(X) ((valueT) (X) & 0xffffffff)
+#define SEXT(X) ((TRUNC (X) ^ 0x80000000) - 0x80000000)
+
+#define issbyte(x) ((valueT) SEXT (x) + 0x80 < 0x100)
+#define isubyte(x) ((valueT) TRUNC (x) < 0x100)
+#define issword(x) ((valueT) SEXT (x) + 0x8000 < 0x10000)
+#define isuword(x) ((valueT) TRUNC (x) < 0x10000)
-#define isbyte(x) ((x) >= -255 && (x) <= 255)
-#define isword(x) ((x) >= -65536 && (x) <= 65535)
+#define isbyte(x) ((valueT) SEXT (x) + 0xff < 0x1ff)
+#define isword(x) ((valueT) SEXT (x) + 0xffff < 0x1ffff)
#define islong(x) (1)
static char notend_table[256];
|| (*s == ':' \
&& alt_notend_table[(unsigned char) s[1]])))
-/* Return a human readable string holding the list of chips that are
- valid for a particular architecture, suppressing aliases (unless
- there is only one of them). */
-
-static char *
-find_cf_chip (int architecture)
-{
- static char buf[1024];
- int i, j, n_chips, n_alias;
- char *cp;
-
- strcpy (buf, " (");
- cp = buf + strlen (buf);
-
- for (i = 0, n_chips = 0, n_alias = 0; i < n_archs; ++i)
- if (archs[i].arch & architecture)
- {
- n_chips++;
- if (archs[i].alias)
- n_alias++;
- }
-
- if (n_chips == 0)
- as_fatal (_("no matching ColdFire architectures found"));
-
- if (n_alias > 1)
- n_chips -= n_alias;
-
- for (i = 0, j = 0; i < n_archs && j < n_chips; ++i)
- if (archs[i].arch & architecture)
- {
- if (j)
- {
- if ((j == n_chips - 1 && !(n_alias > 1)) || ! n_alias)
- {
- if (n_chips == 2)
- {
- strncpy (cp, _(" or "), (sizeof (buf) - (cp - buf)));
- cp += strlen (cp);
- }
- else
- {
- strncpy (cp, _(", or "), (sizeof (buf) - (cp - buf)));
- cp += strlen (cp);
- }
- }
- else
- {
- strncpy (cp, ", ", (sizeof (buf) - (cp - buf)));
- cp += strlen (cp);
- }
- }
- strncpy (cp, archs[i].name, (sizeof (buf) - (cp - buf)));
- cp += strlen (cp);
- j++;
- }
-
- if (n_alias > 1)
- {
- strncpy (cp, _(", or aliases"), (sizeof (buf) - (cp - buf)));
- cp += strlen (cp);
- }
-
- strncpy (cp, ")", (sizeof (buf) - (cp - buf)));
-
- return buf;
-}
-
-#if defined (M68KCOFF) && !defined (BFD_ASSEMBLER)
-
-#ifdef NO_PCREL_RELOCS
-
-int
-make_pcrel_absolute (fixS *fixP, long *add_number)
-{
- register unsigned char *opcode = fixP->fx_frag->fr_opcode;
-
- /* Rewrite the PC relative instructions to absolute address ones.
- these are rumored to be faster, and the apollo linker refuses
- to deal with the PC relative relocations. */
- if (opcode[0] == 0x60 && opcode[1] == 0xff) /* BRA -> JMP. */
- {
- if (flag_keep_pcrel)
- as_fatal (_("Tried to convert PC relative branch to absolute jump"));
- opcode[0] = 0x4e;
- opcode[1] = 0xf9;
- }
- else if (opcode[0] == 0x61 && opcode[1] == 0xff) /* BSR -> JSR. */
- {
- if (flag_keep_pcrel)
- as_fatal (_("Tried to convert PC relative BSR to absolute JSR"));
- opcode[0] = 0x4e;
- opcode[1] = 0xb9;
- }
- else
- as_fatal (_("Unknown PC relative instruction"));
- *add_number -= 4;
- return 0;
-}
-
-#endif /* NO_PCREL_RELOCS */
-
-short
-tc_coff_fix2rtype (fixS *fixP)
-{
- if (fixP->fx_tcbit && fixP->fx_size == 4)
- return R_RELLONG_NEG;
-#ifdef NO_PCREL_RELOCS
- know (fixP->fx_pcrel == 0);
- return (fixP->fx_size == 1 ? R_RELBYTE
- : fixP->fx_size == 2 ? R_DIR16
- : R_DIR32);
-#else
- return (fixP->fx_pcrel
- ? (fixP->fx_size == 1 ? R_PCRBYTE
- : fixP->fx_size == 2 ? R_PCRWORD
- : R_PCRLONG)
- : (fixP->fx_size == 1 ? R_RELBYTE
- : fixP->fx_size == 2 ? R_RELWORD
- : R_RELLONG));
-#endif
-}
-
-#endif
-
#ifdef OBJ_ELF
/* Return zero if the reference to SYMBOL from within the same segment may
#define get_reloc_code(SIZE,PCREL,OTHER) NO_RELOC
-#define relaxable_symbol(symbol) 1
+/* PR gas/3041 Weak symbols are not relaxable
+ because they must be treated as extern. */
+#define relaxable_symbol(symbol) (!(S_IS_WEAK (symbol)))
#endif /* OBJ_ELF */
-#ifdef BFD_ASSEMBLER
-
arelent *
tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp)
{
#ifndef OBJ_ELF
if (fixp->fx_pcrel)
reloc->addend = fixp->fx_addnumber;
+ else if (OUTPUT_FLAVOR == bfd_target_aout_flavour
+ && fixp->fx_addsy
+ && S_IS_WEAK (fixp->fx_addsy)
+ && ! bfd_is_und_section (S_GET_SEGMENT (fixp->fx_addsy)))
+ /* PR gas/3041 Adjust addend in order to force bfd_install_relocation()
+ to put the symbol offset into frags referencing a weak symbol. */
+ reloc->addend = fixp->fx_addnumber
+ - (S_GET_VALUE (fixp->fx_addsy) * 2);
else
reloc->addend = 0;
#else
return reloc;
}
-#endif /* BFD_ASSEMBLER */
-
/* Handle of the OPCODE hash table. NULL means any use before
m68k_ip_begin() will crash. */
static struct hash_control *op_hash;
char c;
int losing;
int opsfound;
+ struct m68k_op operands_backup[6];
LITTLENUM_TYPE words[6];
LITTLENUM_TYPE *wordp;
unsigned long ok_arch = 0;
++losing;
else
{
- for (s = opcode->m_operands, opP = &the_ins.operands[0];
+ int i;
+
+ /* Make a copy of the operands of this insn so that
+ we can modify them safely, should we want to. */
+ assert (opsfound <= (int) ARRAY_SIZE (operands_backup));
+ for (i = 0; i < opsfound; i++)
+ operands_backup[i] = the_ins.operands[i];
+
+ for (s = opcode->m_operands, opP = &operands_backup[0];
*s && !losing;
s += 2, opP++)
{
case 'J':
if (opP->mode != CONTROL
|| opP->reg < USP
- || opP->reg > last_movec_reg)
+ || opP->reg > last_movec_reg
+ || !control_regs)
losing++;
else
{
const enum m68k_register *rp;
+
for (rp = control_regs; *rp; rp++)
- if (*rp == opP->reg)
- break;
+ {
+ if (*rp == opP->reg)
+ break;
+ /* In most CPUs RAMBAR refers to control reg
+ c05 (RAMBAR1), but a few CPUs have it
+ refer to c04 (RAMBAR0). */
+ else if (*rp == RAMBAR_ALT && opP->reg == RAMBAR)
+ {
+ opP->reg = RAMBAR_ALT;
+ break;
+ }
+ }
if (*rp == 0)
losing++;
}
if (opP->mode != IMMED)
losing++;
else if (opP->disp.exp.X_op != O_constant
- || opP->disp.exp.X_add_number < 1
- || opP->disp.exp.X_add_number > 8)
+ || TRUNC (opP->disp.exp.X_add_number) - 1 > 7)
losing++;
else if (! m68k_quick
&& (strncmp (instring, "add", 3) == 0
if (opP->mode != IMMED)
losing++;
else if (opP->disp.exp.X_op != O_constant
- || opP->disp.exp.X_add_number < 0
- || opP->disp.exp.X_add_number > 7)
+ || TRUNC (opP->disp.exp.X_add_number) > 7)
losing++;
break;
if (opP->mode != IMMED)
losing++;
else if (opP->disp.exp.X_op != O_constant
- || opP->disp.exp.X_add_number < -1
- || opP->disp.exp.X_add_number > 7
- || opP->disp.exp.X_add_number == 0)
+ || (TRUNC (opP->disp.exp.X_add_number) != 0xffffffff
+ && TRUNC (opP->disp.exp.X_add_number) - 1 > 6))
+ losing++;
+ break;
+
+ case 'j':
+ if (opP->mode != IMMED)
+ losing++;
+ else if (opP->disp.exp.X_op != O_constant
+ || TRUNC (opP->disp.exp.X_add_number) - 1 > 7)
+ losing++;
+ break;
+
+ case 'K':
+ if (opP->mode != IMMED)
+ losing++;
+ else if (opP->disp.exp.X_op != O_constant
+ || TRUNC (opP->disp.exp.X_add_number) > 511)
losing++;
break;
if (losing)
break;
}
+
+ /* Since we have found the correct instruction, copy
+ in the modifications that we may have made. */
+ if (!losing)
+ for (i = 0; i < opsfound; i++)
+ the_ins.operands[i] = operands_backup[i];
}
if (!losing)
if (ok_arch
&& !(ok_arch & current_architecture))
{
- char buf[200], *cp;
-
- strncpy (buf,
- _("invalid instruction for this architecture; needs "),
- sizeof (buf));
- cp = buf + strlen (buf);
+ const struct m68k_cpu *cpu;
+ int any = 0;
+ size_t space = 400;
+ char *buf = xmalloc (space + 1);
+ size_t len;
+ int paren = 1;
+
+ the_ins.error = buf;
+ /* Make sure there's a NUL at the end of the buffer -- strncpy
+ won't write one when it runs out of buffer */
+ buf[space] = 0;
+#define APPEND(STRING) \
+ (strncpy (buf, STRING, space), len = strlen (buf), buf += len, space -= len)
+
+ APPEND (_("invalid instruction for this architecture; needs "));
switch (ok_arch)
{
case mcfisa_a:
- strncpy (cp, _("ColdFire ISA_A"),
- sizeof (buf) - (cp - buf));
- cp += strlen (cp);
- strncpy (cp, find_cf_chip (ok_arch),
- sizeof (buf) - (cp - buf));
- cp += strlen (cp);
+ APPEND (_("ColdFire ISA_A"));
break;
case mcfhwdiv:
- strncpy (cp, _("ColdFire hardware divide"),
- sizeof (buf) - (cp - buf));
- cp += strlen (cp);
- strncpy (cp, find_cf_chip (ok_arch),
- sizeof (buf) - (cp - buf));
- cp += strlen (cp);
+ APPEND (_("ColdFire hardware divide"));
break;
case mcfisa_aa:
- strncpy (cp, _("ColdFire ISA_A+"),
- sizeof (buf) - (cp - buf));
- cp += strlen (cp);
- strncpy (cp, find_cf_chip (ok_arch),
- sizeof (buf) - (cp - buf));
- cp += strlen (cp);
+ APPEND (_("ColdFire ISA_A+"));
break;
case mcfisa_b:
- strncpy (cp, _("ColdFire ISA_B"),
- sizeof (buf) - (cp - buf));
- cp += strlen (cp);
- strncpy (cp, find_cf_chip (ok_arch),
- sizeof (buf) - (cp - buf));
- cp += strlen (cp);
+ APPEND (_("ColdFire ISA_B"));
+ break;
+ case mcfisa_c:
+ APPEND (_("ColdFire ISA_C"));
break;
case cfloat:
- strncpy (cp, _("ColdFire fpu"), sizeof (buf) - (cp - buf));
- cp += strlen (cp);
- strncpy (cp, find_cf_chip (ok_arch),
- sizeof (buf) - (cp - buf));
- cp += strlen (cp);
+ APPEND (_("ColdFire fpu"));
break;
case mfloat:
- strcpy (cp, _("fpu (68040, 68060 or 68881/68882)"));
+ APPEND (_("M68K fpu"));
break;
case mmmu:
- strcpy (cp, _("mmu (68030 or 68851)"));
+ APPEND (_("M68K mmu"));
break;
case m68020up:
- strcpy (cp, _("68020 or higher"));
+ APPEND (_("68020 or higher"));
break;
case m68000up:
- strcpy (cp, _("68000 or higher"));
+ APPEND (_("68000 or higher"));
break;
case m68010up:
- strcpy (cp, _("68010 or higher"));
+ APPEND (_("68010 or higher"));
break;
default:
+ paren = 0;
+ }
+ if (paren)
+ APPEND (" (");
+
+ for (cpu = m68k_cpus; cpu->name; cpu++)
+ if (!cpu->alias && (cpu->arch & ok_arch))
{
- int got_one = 0, idx;
-
- for (idx = 0; idx < n_archs; idx++)
- {
- if ((archs[idx].arch & ok_arch)
- && ! archs[idx].alias)
- {
- if (got_one)
- {
- strcpy (cp, " or ");
- cp += strlen (cp);
- }
- got_one = 1;
- strcpy (cp, archs[idx].name);
- cp += strlen (cp);
- }
- }
+ const struct m68k_cpu *alias;
+ int seen_master = 0;
+
+ if (any)
+ APPEND (", ");
+ any = 0;
+ APPEND (cpu->name);
+ for (alias = cpu; alias != m68k_cpus; alias--)
+ if (alias[-1].alias >= 0)
+ break;
+ for (; !seen_master || alias->alias > 0; alias++)
+ {
+ if (!alias->alias)
+ seen_master = 1;
+ else
+ {
+ if (any)
+ APPEND (", ");
+ else
+ APPEND (" [");
+ APPEND (alias->name);
+ any = 1;
+ }
+ }
+ if (any)
+ APPEND ("]");
+ any = 1;
}
+ if (paren)
+ APPEND (")");
+#undef APPEND
+ if (!space)
+ {
+ /* we ran out of space, so replace the end of the list
+ with ellipsis. */
+ buf -= 4;
+ while (*buf != ' ')
+ buf--;
+ strcpy (buf, " ...");
}
- cp = xmalloc (strlen (buf) + 1);
- strcpy (cp, buf);
- the_ins.error = cp;
}
else
the_ins.error = _("operands mismatch");
for (s = the_ins.args, opP = &the_ins.operands[0]; *s; s += 2, opP++)
{
+ int have_disp = 0;
+ int use_pl = 0;
+
/* This switch is a doozy.
Watch the first step; its a big one! */
switch (s[0])
&& m68k_abspcadd)
{
opP->disp.exp.X_op = O_symbol;
-#ifndef BFD_ASSEMBLER
- opP->disp.exp.X_add_symbol = &abs_symbol;
-#else
opP->disp.exp.X_add_symbol =
section_symbol (absolute_section);
-#endif
}
/* Force into index mode. Hope this works. */
else
{
add_frag (adds (&opP->disp),
- offs (&opP->disp),
+ SEXT (offs (&opP->disp)),
TAB (PCREL1632, SZ_UNDEF));
break;
}
frag_grow (14);
nextword += baseo & 0xff;
addword (nextword);
- add_frag (adds (&opP->disp), offs (&opP->disp),
+ add_frag (adds (&opP->disp),
+ SEXT (offs (&opP->disp)),
TAB (PCINDEX, SZ_UNDEF));
break;
{
tmpreg = 0x3A; /* 7.2 */
add_frag (adds (&opP->disp),
- offs (&opP->disp),
+ SEXT (offs (&opP->disp)),
TAB (ABSTOPCREL, SZ_UNDEF));
break;
}
case 'B':
tmpreg = get_num (&opP->disp, 90);
+
switch (s[1])
{
case 'B':
break;
case 'L':
long_branch:
- if (! HAVE_LONG_BRANCH (current_architecture))
- as_warn (_("Can't use long branches on 68000/68010/5200"));
the_ins.opcode[0] |= 0xff;
add_fix ('l', &opP->disp, 1, 0);
addword (0);
addword (0);
break;
- case 'g':
- if (subs (&opP->disp)) /* We can't relax it. */
- goto long_branch;
-
+ case 'g': /* Conditional branch */
+ have_disp = HAVE_LONG_CALL (current_architecture);
+ goto var_branch;
+
+ case 'b': /* Unconditional branch */
+ have_disp = HAVE_LONG_BRANCH (current_architecture);
+ use_pl = LONG_BRANCH_VIA_COND (current_architecture);
+ goto var_branch;
+
+ case 's': /* Unconditional subroutine */
+ have_disp = HAVE_LONG_CALL (current_architecture);
+
+ var_branch:
+ if (subs (&opP->disp) /* We can't relax it. */
#ifdef OBJ_ELF
- /* If the displacement needs pic relocation it cannot be
- relaxed. */
- if (opP->disp.pic_reloc != pic_none)
- goto long_branch;
+ /* If the displacement needs pic relocation it cannot be
+ relaxed. */
+ || opP->disp.pic_reloc != pic_none
#endif
+ || 0)
+ {
+ if (!have_disp)
+ as_warn (_("Can't use long branches on this architecture"));
+ goto long_branch;
+ }
+
/* This could either be a symbol, or an absolute
address. If it's an absolute address, turn it into
an absolute jump right here and keep it out of the
/* Now we know it's going into the relaxer. Now figure
out which mode. We try in this order of preference:
long branch, absolute jump, byte/word branches only. */
- if (HAVE_LONG_BRANCH (current_architecture))
- add_frag (adds (&opP->disp), offs (&opP->disp),
+ if (have_disp)
+ add_frag (adds (&opP->disp),
+ SEXT (offs (&opP->disp)),
TAB (BRANCHBWL, SZ_UNDEF));
else if (! flag_keep_pcrel)
{
if ((the_ins.opcode[0] == 0x6000)
|| (the_ins.opcode[0] == 0x6100))
- add_frag (adds (&opP->disp), offs (&opP->disp),
+ add_frag (adds (&opP->disp),
+ SEXT (offs (&opP->disp)),
TAB (BRABSJUNC, SZ_UNDEF));
else
- add_frag (adds (&opP->disp), offs (&opP->disp),
+ add_frag (adds (&opP->disp),
+ SEXT (offs (&opP->disp)),
TAB (BRABSJCOND, SZ_UNDEF));
}
else
- add_frag (adds (&opP->disp), offs (&opP->disp),
- TAB (BRANCHBW, SZ_UNDEF));
+ add_frag (adds (&opP->disp),
+ SEXT (offs (&opP->disp)),
+ (use_pl ? TAB (BRANCHBWPL, SZ_UNDEF)
+ : TAB (BRANCHBW, SZ_UNDEF)));
break;
case 'w':
if (isvar (&opP->disp))
jumps. */
if (((the_ins.opcode[0] & 0xf0f8) == 0x50c8)
&& (HAVE_LONG_BRANCH (current_architecture)
- || (! flag_keep_pcrel)))
+ || ! flag_keep_pcrel))
{
if (HAVE_LONG_BRANCH (current_architecture))
- add_frag (adds (&opP->disp), offs (&opP->disp),
+ add_frag (adds (&opP->disp),
+ SEXT (offs (&opP->disp)),
TAB (DBCCLBR, SZ_UNDEF));
else
- add_frag (adds (&opP->disp), offs (&opP->disp),
+ add_frag (adds (&opP->disp),
+ SEXT (offs (&opP->disp)),
TAB (DBCCABSJ, SZ_UNDEF));
break;
}
addword (0);
}
else
- add_frag (adds (&opP->disp), offs (&opP->disp),
+ add_frag (adds (&opP->disp),
+ SEXT (offs (&opP->disp)),
TAB (FBRANCH, SZ_UNDEF));
break;
default:
tmpreg = 0x002;
break;
case TC:
+ case ASID:
tmpreg = 0x003;
break;
case ACR0:
tmpreg = 0x007;
break;
case BUSCR:
+ case MMUBAR:
tmpreg = 0x008;
break;
tmpreg = 0x808;
break;
case ROMBAR:
+ case ROMBAR0:
tmpreg = 0xC00;
break;
case ROMBAR1:
break;
case FLASHBAR:
case RAMBAR0:
+ case RAMBAR_ALT:
tmpreg = 0xC04;
break;
case RAMBAR:
case PCR3U1:
tmpreg = 0xD0F;
break;
+ case CAC:
+ tmpreg = 0xFFE;
+ break;
+ case MBO:
+ tmpreg = 0xFFF;
+ break;
default:
abort ();
}
tmpreg = 0;
install_operand (s[1], tmpreg);
break;
+ case 'j':
+ tmpreg = get_num (&opP->disp, 10);
+ install_operand (s[1], tmpreg - 1);
+ break;
+ case 'K':
+ tmpreg = get_num (&opP->disp, 65);
+ install_operand (s[1], tmpreg);
+ break;
default:
abort ();
}
return out;
} /* reverse_8_bits() */
-/* Cause an extra frag to be generated here, inserting up to 10 bytes
- (that value is chosen in the frag_var call in md_assemble). TYPE
- is the subtype of the frag to be generated; its primary type is
- rs_machine_dependent.
+/* Cause an extra frag to be generated here, inserting up to
+ FRAG_VAR_SIZE bytes. TYPE is the subtype of the frag to be
+ generated; its primary type is rs_machine_dependent.
The TYPE parameter is also used by md_convert_frag_1 and
md_estimate_size_before_relax. The appropriate type of fixup will
case 'd':
the_ins.opcode[0] |= val << 9;
break;
+ case 'E':
+ the_ins.opcode[1] |= val << 9;
+ break;
case '1':
the_ins.opcode[1] |= val << 12;
break;
{ "dacr0", DTT0 }, /* Data Access Control Register 0. */
{ "dacr1", DTT1 }, /* Data Access Control Register 0. */
- /* mcf5200 versions of same. The ColdFire programmer's reference
+ /* Coldfire versions of same. The ColdFire programmer's reference
manual indicated that the order is 2,3,0,1, but Ken Rose
{ "acr0", ACR0 }, /* Access Control Unit 0. */
{ "tc", TC }, /* MMU Translation Control Register. */
{ "tcr", TC },
+ { "asid", ASID },
{ "mmusr", MMUSR }, /* MMU Status Register. */
{ "srp", SRP }, /* User Root Pointer. */
{ "urp", URP }, /* Supervisor Root Pointer. */
{ "buscr", BUSCR },
+ { "mmubar", MMUBAR },
{ "pcr", PCR },
{ "rombar", ROMBAR }, /* ROM Base Address Register. */
{ "mbar0", MBAR0 }, /* mcfv4e registers. */
{ "mbar1", MBAR1 }, /* mcfv4e registers. */
- { "rombar0", ROMBAR }, /* mcfv4e registers. */
+ { "rombar0", ROMBAR0 }, /* mcfv4e registers. */
{ "rombar1", ROMBAR1 }, /* mcfv4e registers. */
{ "mpcr", MPCR }, /* mcfv4e registers. */
{ "edrambar", EDRAMBAR }, /* mcfv4e registers. */
{ "rambar", RAMBAR }, /* mcf528x registers. */
{ "mbar2", MBAR2 }, /* mcf5249 registers. */
+
+ { "cac", CAC }, /* fido registers. */
+ { "mbb", MBO }, /* fido registers (obsolete). */
+ { "mbo", MBO }, /* fido registers. */
/* End of control registers. */
{ "ac", AC },
insert_reg (init_table[i].name, init_table[i].number);
}
-static int no_68851, no_68881;
-
-#ifdef OBJ_AOUT
-/* a.out machine type. Default to 68020. */
-int m68k_aout_machtype = 2;
-#endif
-
void
md_assemble (char *str)
{
int shorts_this_frag;
fixS *fixP;
+ if (!selected_cpu && !selected_arch)
+ {
+ /* We've not selected an architecture yet. Set the default
+ now. We do this lazily so that an initial .cpu or .arch directive
+ can specify. */
+ if (!m68k_set_cpu (TARGET_CPU, 1, 1))
+ as_bad (_("unrecognized default cpu `%s'"), TARGET_CPU);
+ }
+ if (!initialized)
+ m68k_init_arch ();
+
/* In MRI mode, the instruction and operands are separated by a
space. Anything following the operands is a comment. The label
has already been removed. */
for (n = 1; n < the_ins.nfrag; n++)
wid += 2 * (the_ins.numo - the_ins.fragb[n - 1].fragoff);
/* frag_var part. */
- wid += 10;
+ wid += FRAG_VAR_SIZE;
/* Make sure the whole insn fits in one chunk, in particular that
the var part is attached, as we access one byte before the
variable frag for byte branches. */
the_ins.reloc[m].pic_reloc));
fixP->fx_pcrel_adjust = the_ins.reloc[m].pcrel_fix;
}
- (void) frag_var (rs_machine_dependent, 10, 0,
+ (void) frag_var (rs_machine_dependent, FRAG_VAR_SIZE, 0,
(relax_substateT) (the_ins.fragb[n].fragty),
the_ins.fragb[n].fadd, the_ins.fragb[n].foff, to_beg_P);
}
struct m68k_opcode * op1, * op2;
int ret;
+ if (v1 == v2)
+ return 0;
+
op1 = *(struct m68k_opcode **) v1;
op2 = *(struct m68k_opcode **) v2;
return ret;
if (op1 < op2)
return -1;
- return 0;
+ return 1;
}
void
m68k_sorted_opcodes = xmalloc (m68k_numopcodes * sizeof (* m68k_sorted_opcodes));
if (!m68k_sorted_opcodes)
as_fatal (_("Internal Error: Can't allocate m68k_sorted_opcodes of size %d"),
- m68k_numopcodes * sizeof (* m68k_sorted_opcodes));
+ m68k_numopcodes * ((int) sizeof (* m68k_sorted_opcodes)));
for (i = m68k_numopcodes; i--;)
m68k_sorted_opcodes[i] = m68k_opcodes + i;
{
ins = m68k_sorted_opcodes[i];
- /* We *could* ignore insns that don't match our
- arch here by just leaving them out of the hash. */
+ /* We must enter all insns into the table, because .arch and
+ .cpu directives can change things. */
slak->m_operands = ins->args;
- slak->m_opnum = strlen (slak->m_operands) / 2;
slak->m_arch = ins->arch;
slak->m_opcode = ins->opcode;
- /* This is kludgey. */
- slak->m_codenum = ((ins->match) & 0xffffL) ? 2 : 1;
+
+ /* In most cases we can determine the number of opcode words
+ by checking the second word of the mask. Unfortunately
+ some instructions have 2 opcode words, but no fixed bits
+ in the second word. A leading dot in the operands
+ string also indicates 2 opcodes. */
+ if (*slak->m_operands == '.')
+ {
+ slak->m_operands++;
+ slak->m_codenum = 2;
+ }
+ else if (ins->match & 0xffffL)
+ slak->m_codenum = 2;
+ else
+ slak->m_codenum = 1;
+ slak->m_opnum = strlen (slak->m_operands) / 2;
+
if (i + 1 != m68k_numopcodes
&& !strcmp (ins->name, m68k_sorted_opcodes[i + 1]->name))
{
#endif
}
-static void
-select_control_regs (void)
-{
- /* Note which set of "movec" control registers is available. */
- switch (current_chip)
- {
- case 0:
- if (verbose)
- as_warn (_("architecture not yet selected: defaulting to 68020"));
- control_regs = m68020_control_regs;
- break;
-
- case m68000:
- control_regs = m68000_control_regs;
- break;
- case m68010:
- control_regs = m68010_control_regs;
- break;
- case m68020:
- case m68030:
- control_regs = m68020_control_regs;
- break;
- case m68040:
- control_regs = m68040_control_regs;
- break;
- case m68060:
- control_regs = m68060_control_regs;
- break;
- case cpu32:
- control_regs = cpu32_control_regs;
- break;
- case mcf5200:
- case mcf5206e:
- case mcf5307:
- case mcf5407:
- control_regs = mcf_control_regs;
- break;
- case mcf5249:
- control_regs = mcf5249_control_regs;
- break;
- case mcf528x:
- case mcf521x:
- control_regs = mcf528x_control_regs;
- break;
- case mcf5470:
- case mcf5480:
- control_regs = mcfv4e_control_regs;
- break;
- default:
- abort ();
- }
-}
-
-void
-m68k_init_after_args (void)
-{
- if (cpu_of_arch (current_architecture) == 0)
- {
- int i;
- const char *default_cpu = TARGET_CPU;
-
- if (*default_cpu == 'm')
- default_cpu++;
- for (i = 0; i < n_archs; i++)
- if (strcasecmp (default_cpu, archs[i].name) == 0)
- break;
- if (i == n_archs)
- {
- as_bad (_("unrecognized default cpu `%s' ???"), TARGET_CPU);
- current_architecture |= m68020;
- }
- else
- current_architecture |= archs[i].arch;
- }
- /* Permit m68881 specification with all cpus; those that can't work
- with a coprocessor could be doing emulation. */
- if (current_architecture & m68851)
- {
- if (current_architecture & m68040)
- as_warn (_("68040 and 68851 specified; mmu instructions may assemble incorrectly"));
- }
- /* What other incompatibilities could we check for? */
-
- /* Toss in some default assumptions about coprocessors. */
- if (!no_68881
- && (cpu_of_arch (current_architecture)
- /* Can CPU32 have a 68881 coprocessor?? */
- & (m68020 | m68030 | cpu32)))
- current_architecture |= m68881;
-
- if (!no_68851
- && (cpu_of_arch (current_architecture) & m68020up) != 0
- && (cpu_of_arch (current_architecture) & m68040up) == 0)
- current_architecture |= m68851;
-
- if (no_68881 && (current_architecture & m68881))
- as_bad (_("options for 68881 and no-68881 both given"));
-
- if (no_68851 && (current_architecture & m68851))
- as_bad (_("options for 68851 and no-68851 both given"));
-
-#ifdef OBJ_AOUT
- /* Work out the magic number. This isn't very general. */
- if (current_architecture & m68000)
- m68k_aout_machtype = 0;
- else if (current_architecture & m68010)
- m68k_aout_machtype = 1;
- else if (current_architecture & m68020)
- m68k_aout_machtype = 2;
- else
- m68k_aout_machtype = 2;
-#endif
-
- /* Note which set of "movec" control registers is available. */
- select_control_regs ();
-
- if (cpu_of_arch (current_architecture) < m68020
- || arch_coldfire_p (current_architecture))
- md_relax_table[TAB (PCINDEX, BYTE)].rlx_more = 0;
-}
\f
/* This is called when a label is defined. */
n->text = 0;
labels = n;
current_label = n;
+
+#ifdef OBJ_ELF
+ dwarf2_emit_label (sym);
+#endif
}
/* This is called when a value that is not an instruction is emitted. */
}
}
-/* Equal to MAX_PRECISION in atof-ieee.c. */
-#define MAX_LITTLENUMS 6
-
-/* Turn a string in input_line_pointer into a floating point constant
- of type TYPE, and store the appropriate bytes in *LITP. The number
- of LITTLENUMS emitted is stored in *SIZEP. An error message is
- returned, or NULL on OK. */
-
char *
md_atof (int type, char *litP, int *sizeP)
{
- int prec;
- LITTLENUM_TYPE words[MAX_LITTLENUMS];
- LITTLENUM_TYPE *wordP;
- char *t;
+ return ieee_md_atof (type, litP, sizeP, TRUE);
+}
- switch (type)
- {
- case 'f':
- case 'F':
- case 's':
- case 'S':
- prec = 2;
- break;
-
- case 'd':
- case 'D':
- case 'r':
- case 'R':
- prec = 4;
- break;
-
- case 'x':
- case 'X':
- prec = 6;
- break;
-
- case 'p':
- case 'P':
- prec = 6;
- break;
-
- default:
- *sizeP = 0;
- return _("Bad call to MD_ATOF()");
- }
- t = atof_ieee (input_line_pointer, type, words);
- if (t)
- input_line_pointer = t;
-
- *sizeP = prec * sizeof (LITTLENUM_TYPE);
- for (wordP = words; prec--;)
- {
- md_number_to_chars (litP, (long) (*wordP++), sizeof (LITTLENUM_TYPE));
- litP += sizeof (LITTLENUM_TYPE);
- }
- return 0;
-}
-
-void
-md_number_to_chars (char *buf, valueT val, int n)
-{
- number_to_chars_bigendian (buf, val, n);
-}
+void
+md_number_to_chars (char *buf, valueT val, int n)
+{
+ number_to_chars_bigendian (buf, val, n);
+}
void
-md_apply_fix3 (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
+md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
{
offsetT val = *valP;
addressT upper_limit;
buf += fixP->fx_where;
/* End ibm compiler workaround. */
- val = ((val & 0xffffffff) ^ 0x80000000) - 0x80000000;
+ val = SEXT (val);
if (fixP->fx_addsy == NULL && fixP->fx_pcrel == 0)
fixP->fx_done = 1;
S_SET_WEAK (fixP->fx_addsy);
return;
}
+#elif defined(OBJ_AOUT)
+ /* PR gas/3041 Do not fix frags referencing a weak symbol. */
+ if (fixP->fx_addsy && S_IS_WEAK (fixP->fx_addsy))
+ {
+ memset (buf, 0, fixP->fx_size);
+ fixP->fx_addnumber = val; /* Remember value for emit_reloc. */
+ return;
+ }
#endif
-#ifdef BFD_ASSEMBLER
if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
|| fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
return;
-#endif
switch (fixP->fx_size)
{
if ((addressT) val > upper_limit
&& (val > 0 || val < lower_limit))
- as_bad_where (fixP->fx_file, fixP->fx_line, _("value out of range"));
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("value %ld out of range"), (long)val);
/* A one byte PC-relative reloc means a short branch. We can't use
a short branch with a value of 0 or -1, because those indicate
in write.c may have clobbered fx_pcrel, so we need to examine the
reloc type. */
if ((fixP->fx_pcrel
-#ifdef BFD_ASSEMBLER
- || fixP->fx_r_type == BFD_RELOC_8_PCREL
-#endif
- )
+ || fixP->fx_r_type == BFD_RELOC_8_PCREL)
&& fixP->fx_size == 1
&& (fixP->fx_addsy == NULL
|| S_IS_DEFINED (fixP->fx_addsy))
&& (val == 0 || val == -1))
- as_bad_where (fixP->fx_file, fixP->fx_line, _("invalid byte branch offset"));
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("invalid byte branch offset"));
}
/* *fragP has been relaxed to its final size, and now needs to have
md_convert_frag_1 (fragS *fragP)
{
long disp;
- fixS *fixP;
+ fixS *fixP = NULL;
/* Address in object code of the displacement. */
register int object_address = fragP->fr_fix + fragP->fr_address;
case TAB (BRABSJUNC, BYTE):
case TAB (BRABSJCOND, BYTE):
case TAB (BRANCHBW, BYTE):
+ case TAB (BRANCHBWPL, BYTE):
know (issbyte (disp));
if (disp == 0)
as_bad_where (fragP->fr_file, fragP->fr_line,
case TAB (BRABSJUNC, SHORT):
case TAB (BRABSJCOND, SHORT):
case TAB (BRANCHBW, SHORT):
+ case TAB (BRANCHBWPL, SHORT):
fragP->fr_opcode[1] = 0x00;
- fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, fragP->fr_offset,
- 1, RELAX_RELOC_PC16);
+ fixP = fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol,
+ fragP->fr_offset, 1, RELAX_RELOC_PC16);
fragP->fr_fix += 2;
break;
case TAB (BRANCHBWL, LONG):
fragP->fr_opcode[1] = (char) 0xFF;
- fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, fragP->fr_offset,
- 1, RELAX_RELOC_PC32);
+ fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol,
+ fragP->fr_offset, 1, RELAX_RELOC_PC32);
+ fragP->fr_fix += 4;
+ break;
+ case TAB (BRANCHBWPL, LONG):
+ /* Here we are converting an unconditional branch into a pair of
+ conditional branches, in order to get the range. */
+ fragP->fr_opcode[0] = 0x66; /* bne */
+ fragP->fr_opcode[1] = 0xFF;
+ fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol,
+ fragP->fr_offset, 1, RELAX_RELOC_PC32);
+ fixP->fx_file = fragP->fr_file;
+ fixP->fx_line = fragP->fr_line;
+ fragP->fr_fix += 4; /* Skip first offset */
+ buffer_address += 4;
+ *buffer_address++ = 0x67; /* beq */
+ *buffer_address++ = 0xff;
+ fragP->fr_fix += 2; /* Skip second branch opcode */
+ fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol,
+ fragP->fr_offset, 1, RELAX_RELOC_PC32);
fragP->fr_fix += 4;
break;
case TAB (BRABSJUNC, LONG):
if (fragP->fr_opcode[0] == 0x61) /* jbsr */
{
if (flag_keep_pcrel)
- as_fatal (_("Tried to convert PC relative BSR to absolute JSR"));
+ as_bad_where (fragP->fr_file, fragP->fr_line,
+ _("Conversion of PC relative BSR to absolute JSR"));
fragP->fr_opcode[0] = 0x4E;
fragP->fr_opcode[1] = (char) 0xB9; /* JSR with ABSL LONG operand. */
- fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, fragP->fr_offset,
- 0, RELAX_RELOC_ABS32);
+ fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol,
+ fragP->fr_offset, 0, RELAX_RELOC_ABS32);
fragP->fr_fix += 4;
}
else if (fragP->fr_opcode[0] == 0x60) /* jbra */
{
if (flag_keep_pcrel)
- as_fatal (_("Tried to convert PC relative branch to absolute jump"));
+ as_bad_where (fragP->fr_file, fragP->fr_line,
+ _("Conversion of PC relative branch to absolute jump"));
fragP->fr_opcode[0] = 0x4E;
fragP->fr_opcode[1] = (char) 0xF9; /* JMP with ABSL LONG operand. */
- fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, fragP->fr_offset,
- 0, RELAX_RELOC_ABS32);
+ fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol,
+ fragP->fr_offset, 0, RELAX_RELOC_ABS32);
fragP->fr_fix += 4;
}
else
break;
case TAB (BRABSJCOND, LONG):
if (flag_keep_pcrel)
- as_fatal (_("Tried to convert PC relative conditional branch to absolute jump"));
+ as_bad_where (fragP->fr_file, fragP->fr_line,
+ _("Conversion of PC relative conditional branch to absolute jump"));
/* Only Bcc 68000 instructions can come here
Change bcc into b!cc/jmp absl long. */
*buffer_address++ = 0x4e; /* put in jmp long (0x4ef9) */
*buffer_address++ = (char) 0xf9;
fragP->fr_fix += 2; /* Account for jmp instruction. */
- fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol,
- fragP->fr_offset, 0, RELAX_RELOC_ABS32);
+ fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol,
+ fragP->fr_offset, 0, RELAX_RELOC_ABS32);
fragP->fr_fix += 4;
break;
case TAB (FBRANCH, SHORT):
know ((fragP->fr_opcode[1] & 0x40) == 0);
- fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, fragP->fr_offset,
- 1, RELAX_RELOC_PC16);
+ fixP = fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol,
+ fragP->fr_offset, 1, RELAX_RELOC_PC16);
fragP->fr_fix += 2;
break;
case TAB (FBRANCH, LONG):
fragP->fr_opcode[1] |= 0x40; /* Turn on LONG bit. */
- fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, fragP->fr_offset,
- 1, RELAX_RELOC_PC32);
+ fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol,
+ fragP->fr_offset, 1, RELAX_RELOC_PC32);
fragP->fr_fix += 4;
break;
case TAB (DBCCLBR, SHORT):
case TAB (DBCCABSJ, SHORT):
- fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, fragP->fr_offset,
- 1, RELAX_RELOC_PC16);
+ fixP = fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol,
+ fragP->fr_offset, 1, RELAX_RELOC_PC16);
fragP->fr_fix += 2;
break;
case TAB (DBCCLBR, LONG):
Change dbcc into dbcc/bral.
JF: these used to be fr_opcode[2-7], but that's wrong. */
if (flag_keep_pcrel)
- as_fatal (_("Tried to convert DBcc to absolute jump"));
+ as_bad_where (fragP->fr_file, fragP->fr_line,
+ _("Conversion of DBcc to absolute jump"));
*buffer_address++ = 0x00; /* Branch offset = 4. */
*buffer_address++ = 0x04;
*buffer_address++ = (char) 0xff;
fragP->fr_fix += 6; /* Account for bra/jmp instructions. */
- fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, fragP->fr_offset, 1,
- RELAX_RELOC_PC32);
+ fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol,
+ fragP->fr_offset, 1, RELAX_RELOC_PC32);
fragP->fr_fix += 4;
break;
case TAB (DBCCABSJ, LONG):
Change dbcc into dbcc/jmp.
JF: these used to be fr_opcode[2-7], but that's wrong. */
if (flag_keep_pcrel)
- as_fatal (_("Tried to convert PC relative conditional branch to absolute jump"));
+ as_bad_where (fragP->fr_file, fragP->fr_line,
+ _("Conversion of PC relative conditional branch to absolute jump"));
*buffer_address++ = 0x00; /* Branch offset = 4. */
*buffer_address++ = 0x04;
*buffer_address++ = (char) 0xf9;
fragP->fr_fix += 6; /* Account for bra/jmp instructions. */
- fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, fragP->fr_offset, 0,
- RELAX_RELOC_ABS32);
+ fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol,
+ fragP->fr_offset, 0, RELAX_RELOC_ABS32);
fragP->fr_fix += 4;
break;
case TAB (PCREL1632, SHORT):
fragP->fr_opcode[1] &= ~0x3F;
fragP->fr_opcode[1] |= 0x3A; /* 072 - mode 7.2 */
- fix_new (fragP, (int) (fragP->fr_fix), 2, fragP->fr_symbol,
- fragP->fr_offset, 1, RELAX_RELOC_PC16);
+ fixP = fix_new (fragP, (int) (fragP->fr_fix), 2, fragP->fr_symbol,
+ fragP->fr_offset, 1, RELAX_RELOC_PC16);
fragP->fr_fix += 2;
break;
case TAB (PCREL1632, LONG):
fragP->fr_fix += 4;
break;
case TAB (ABSTOPCREL, SHORT):
- fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, fragP->fr_offset,
- 1, RELAX_RELOC_PC16);
+ fixP = fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol,
+ fragP->fr_offset, 1, RELAX_RELOC_PC16);
fragP->fr_fix += 2;
break;
case TAB (ABSTOPCREL, LONG):
if (flag_keep_pcrel)
- as_fatal (_("Tried to convert PC relative conditional branch to absolute jump"));
+ as_fatal (_("Conversion of PC relative displacement to absolute"));
/* The thing to do here is force it to ABSOLUTE LONG, since
ABSTOPCREL is really trying to shorten an ABSOLUTE address anyway. */
if ((fragP->fr_opcode[1] & 0x3F) != 0x3A)
abort ();
fragP->fr_opcode[1] &= ~0x3F;
fragP->fr_opcode[1] |= 0x39; /* Mode 7.1 */
- fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, fragP->fr_offset,
- 0, RELAX_RELOC_ABS32);
+ fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol,
+ fragP->fr_offset, 0, RELAX_RELOC_ABS32);
fragP->fr_fix += 4;
break;
}
+ if (fixP)
+ {
+ fixP->fx_file = fragP->fr_file;
+ fixP->fx_line = fragP->fr_line;
+ }
}
-#ifndef BFD_ASSEMBLER
-
-void
-md_convert_frag (object_headers *headers ATTRIBUTE_UNUSED,
- segT sec ATTRIBUTE_UNUSED,
- fragS *fragP)
-{
- md_convert_frag_1 (fragP);
-}
-
-#else
-
void
md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED,
segT sec ATTRIBUTE_UNUSED,
{
md_convert_frag_1 (fragP);
}
-#endif
/* Force truly undefined symbols to their maximum size, and generally set up
the frag list to be relaxed
switch (fragP->fr_subtype)
{
case TAB (BRANCHBWL, SZ_UNDEF):
+ case TAB (BRANCHBWPL, SZ_UNDEF):
case TAB (BRABSJUNC, SZ_UNDEF):
case TAB (BRABSJCOND, SZ_UNDEF):
{
#endif
-#ifndef BFD_ASSEMBLER
-void
-tc_aout_fix_to_chars (char *where, fixS *fixP,
- relax_addressT segment_address_in_file)
-{
- /*
- * In: length of relocation (or of address) in chars: 1, 2 or 4.
- * Out: GNU LD relocation length code: 0, 1, or 2.
- */
-
- static const unsigned char nbytes_r_length[] = {42, 0, 1, 42, 2};
- long r_symbolnum;
-
- know (fixP->fx_addsy != NULL);
-
- md_number_to_chars (where,
- (fixP->fx_frag->fr_address
- + fixP->fx_where - segment_address_in_file), 4);
-
- r_symbolnum = (S_IS_DEFINED (fixP->fx_addsy)
- ? S_GET_TYPE (fixP->fx_addsy)
- : fixP->fx_addsy->sy_number);
-
- where[4] = (r_symbolnum >> 16) & 0x0ff;
- where[5] = (r_symbolnum >> 8) & 0x0ff;
- where[6] = r_symbolnum & 0x0ff;
- where[7] = (((fixP->fx_pcrel << 7) & 0x80)
- | ((nbytes_r_length[fixP->fx_size] << 5) & 0x60)
- | ((!S_IS_DEFINED (fixP->fx_addsy) << 4) & 0x10));
-}
-#endif
-
#endif /* OBJ_AOUT or OBJ_BOUT */
#ifndef WORKING_DOT_WORD
50: absolute 0:127 only
55: absolute -64:63 only
60: absolute -128:127 only
+ 65: absolute 0:511 only
70: absolute 0:4095 only
80: absolute -1, 1:7 only
90: No bignums. */
switch (ok)
{
case 10:
- if (offs (exp) < 1 || offs (exp) > 8)
+ if ((valueT) TRUNC (offs (exp)) - 1 > 7)
{
as_warn (_("expression out of range: defaulting to 1"));
offs (exp) = 1;
}
break;
case 20:
- if (offs (exp) < 0 || offs (exp) > 7)
+ if ((valueT) TRUNC (offs (exp)) > 7)
goto outrange;
break;
case 30:
- if (offs (exp) < 0 || offs (exp) > 15)
+ if ((valueT) TRUNC (offs (exp)) > 15)
goto outrange;
break;
case 40:
- if (offs (exp) < 0 || offs (exp) > 32)
+ if ((valueT) TRUNC (offs (exp)) > 32)
goto outrange;
break;
case 50:
- if (offs (exp) < 0 || offs (exp) > 127)
+ if ((valueT) TRUNC (offs (exp)) > 127)
goto outrange;
break;
case 55:
- if (offs (exp) < -64 || offs (exp) > 63)
+ if ((valueT) SEXT (offs (exp)) + 64 > 127)
goto outrange;
break;
case 60:
- if (offs (exp) < -128 || offs (exp) > 127)
+ if ((valueT) SEXT (offs (exp)) + 128 > 255)
+ goto outrange;
+ break;
+ case 65:
+ if ((valueT) TRUNC (offs (exp)) > 511)
goto outrange;
break;
case 70:
- if (offs (exp) < 0 || offs (exp) > 4095)
+ if ((valueT) TRUNC (offs (exp)) > 4095)
{
outrange:
as_warn (_("expression out of range: defaulting to 0"));
}
break;
case 80:
- if (offs (exp) < -1
- || offs (exp) > 7
- || offs (exp) == 0)
+ if ((valueT) TRUNC (offs (exp)) != 0xffffffff
+ && (valueT) TRUNC (offs (exp)) - 1 > 6)
{
as_warn (_("expression out of range: defaulting to 1"));
offs (exp) = 1;
subs (exp) = 0;
offs (exp) = (ok == 10) ? 1 : 0;
as_warn (_("Can't deal with expression; defaulting to %ld"),
- offs (exp));
+ (long) offs (exp));
}
}
else
subs (exp) = 0;
offs (exp) = (ok == 10) ? 1 : 0;
as_warn (_("Can't deal with expression; defaulting to %ld"),
- offs (exp));
+ (long) offs (exp));
}
}
while (is_part_of_name (c = *input_line_pointer++))
;
*--input_line_pointer = 0;
- for (i = 0; i < n_archs; i++)
- if (strcasecmp (s, archs[i].name) == 0)
+ for (i = 0; m68k_cpus[i].name; i++)
+ if (strcasecmp (s, m68k_cpus[i].name) == 0)
break;
- if (i >= n_archs)
+ if (!m68k_cpus[i].name)
{
as_bad (_("%s: unrecognized processor name"), s);
*input_line_pointer = c;
current_architecture = 0;
else
current_architecture &= m68881 | m68851;
- current_architecture |= archs[i].arch;
- current_chip = archs[i].chip;
+ current_architecture |= m68k_cpus[i].arch & ~(m68881 | m68851);
+ control_regs = m68k_cpus[i].control_regs;
while (*input_line_pointer == '/')
{
current_architecture |= m68851;
*input_line_pointer = c;
}
-
- /* Update info about available control registers. */
- select_control_regs ();
}
/* The MRI CHIP pseudo-op. */
int keep_locals;
int short_refs;
int architecture;
- int chip;
+ const enum m68k_register *control_regs;
int quick;
int rel32;
int listing;
s->keep_locals = flag_keep_locals;
s->short_refs = flag_short_refs;
s->architecture = current_architecture;
- s->chip = current_chip;
+ s->control_regs = control_regs;
s->quick = m68k_quick;
s->rel32 = m68k_rel32;
s->listing = listing;
flag_keep_locals = s->keep_locals;
flag_short_refs = s->short_refs;
current_architecture = s->architecture;
- current_chip = s->chip;
+ control_regs = s->control_regs;
m68k_quick = s->quick;
m68k_rel32 = s->rel32;
listing = s->listing;
demand_empty_rest_of_line ();
}
\f
+/* Parse a .cpu directive. */
+
+static void
+s_m68k_cpu (int ignored ATTRIBUTE_UNUSED)
+{
+ char saved_char;
+ char *name;
+
+ if (initialized)
+ {
+ as_bad (_("already assembled instructions"));
+ ignore_rest_of_line ();
+ return;
+ }
+
+ name = input_line_pointer;
+ while (*input_line_pointer && !ISSPACE(*input_line_pointer))
+ input_line_pointer++;
+ saved_char = *input_line_pointer;
+ *input_line_pointer = 0;
+
+ m68k_set_cpu (name, 1, 0);
+
+ *input_line_pointer = saved_char;
+ demand_empty_rest_of_line ();
+ return;
+}
+
+/* Parse a .arch directive. */
+
+static void
+s_m68k_arch (int ignored ATTRIBUTE_UNUSED)
+{
+ char saved_char;
+ char *name;
+
+ if (initialized)
+ {
+ as_bad (_("already assembled instructions"));
+ ignore_rest_of_line ();
+ return;
+ }
+
+ name = input_line_pointer;
+ while (*input_line_pointer && *input_line_pointer != ','
+ && !ISSPACE (*input_line_pointer))
+ input_line_pointer++;
+ saved_char = *input_line_pointer;
+ *input_line_pointer = 0;
+
+ if (m68k_set_arch (name, 1, 0))
+ {
+ /* Scan extensions. */
+ do
+ {
+ *input_line_pointer++ = saved_char;
+ if (!*input_line_pointer || ISSPACE (*input_line_pointer))
+ break;
+ name = input_line_pointer;
+ while (*input_line_pointer && *input_line_pointer != ','
+ && !ISSPACE (*input_line_pointer))
+ input_line_pointer++;
+ saved_char = *input_line_pointer;
+ *input_line_pointer = 0;
+ }
+ while (m68k_set_extension (name, 1, 0));
+ }
+
+ *input_line_pointer = saved_char;
+ demand_empty_rest_of_line ();
+ return;
+}
+\f
+/* Lookup a cpu name in TABLE and return the slot found. Return NULL
+ if none is found, the caller is responsible for emitting an error
+ message. If ALLOW_M is non-zero, we allow an initial 'm' on the
+ cpu name, if it begins with a '6' (possibly skipping an intervening
+ 'c'. We also allow a 'c' in the same place. if NEGATED is
+ non-zero, we accept a leading 'no-' and *NEGATED is set to true, if
+ the option is indeed negated. */
+
+static const struct m68k_cpu *
+m68k_lookup_cpu (const char *arg, const struct m68k_cpu *table,
+ int allow_m, int *negated)
+{
+ /* allow negated value? */
+ if (negated)
+ {
+ *negated = 0;
+
+ if (arg[0] == 'n' && arg[1] == 'o' && arg[2] == '-')
+ {
+ arg += 3;
+ *negated = 1;
+ }
+ }
+
+ /* Remove 'm' or 'mc' prefix from 68k variants. */
+ if (allow_m)
+ {
+ if (arg[0] == 'm')
+ {
+ if (arg[1] == '6')
+ arg += 1;
+ else if (arg[1] == 'c' && arg[2] == '6')
+ arg += 2;
+ }
+ }
+ else if (arg[0] == 'c' && arg[1] == '6')
+ arg += 1;
+
+ for (; table->name; table++)
+ if (!strcmp (arg, table->name))
+ {
+ if (table->alias < -1 || table->alias > 1)
+ as_bad (_("`%s' is deprecated, use `%s'"),
+ table->name, table[table->alias < 0 ? 1 : -1].name);
+ return table;
+ }
+ return 0;
+}
+
+/* Set the cpu, issuing errors if it is unrecognized, or invalid */
+
+static int
+m68k_set_cpu (char const *name, int allow_m, int silent)
+{
+ const struct m68k_cpu *cpu;
+
+ cpu = m68k_lookup_cpu (name, m68k_cpus, allow_m, NULL);
+
+ if (!cpu)
+ {
+ if (!silent)
+ as_bad (_("cpu `%s' unrecognized"), name);
+ return 0;
+ }
+
+ if (selected_cpu && selected_cpu != cpu)
+ {
+ as_bad (_("already selected `%s' processor"),
+ selected_cpu->name);
+ return 0;
+ }
+ selected_cpu = cpu;
+ return 1;
+}
+
+/* Set the architecture, issuing errors if it is unrecognized, or invalid */
+
+static int
+m68k_set_arch (char const *name, int allow_m, int silent)
+{
+ const struct m68k_cpu *arch;
+
+ arch = m68k_lookup_cpu (name, m68k_archs, allow_m, NULL);
+
+ if (!arch)
+ {
+ if (!silent)
+ as_bad (_("architecture `%s' unrecognized"), name);
+ return 0;
+ }
+
+ if (selected_arch && selected_arch != arch)
+ {
+ as_bad (_("already selected `%s' architecture"),
+ selected_arch->name);
+ return 0;
+ }
+
+ selected_arch = arch;
+ return 1;
+}
+
+/* Set the architecture extension, issuing errors if it is
+ unrecognized, or invalid */
+
+static int
+m68k_set_extension (char const *name, int allow_m, int silent)
+{
+ int negated;
+ const struct m68k_cpu *ext;
+
+ ext = m68k_lookup_cpu (name, m68k_extensions, allow_m, &negated);
+
+ if (!ext)
+ {
+ if (!silent)
+ as_bad (_("extension `%s' unrecognized"), name);
+ return 0;
+ }
+
+ if (negated)
+ not_current_architecture |= ext->arch;
+ else
+ current_architecture |= ext->arch;
+ return 1;
+}
+
/* md_parse_option
Invocation line includes a switch not recognized by the base assembler.
- See if it's a processor-specific option. These are:
-
- -[A]m[c]68000, -[A]m[c]68008, -[A]m[c]68010, -[A]m[c]68020, -[A]m[c]68030, -[A]m[c]68040
- -[A]m[c]68881, -[A]m[c]68882, -[A]m[c]68851
- Select the architecture. Instructions or features not
- supported by the selected architecture cause fatal
- errors. More than one may be specified. The default is
- -m68020 -m68851 -m68881. Note that -m68008 is a synonym
- for -m68000, and -m68882 is a synonym for -m68881.
- -[A]m[c]no-68851, -[A]m[c]no-68881
- Don't accept 688?1 instructions. (The "c" is kind of silly,
- so don't use or document it, but that's the way the parsing
- works).
-
- -pic Indicates PIC.
- -k Indicates PIC. (Sun 3 only.)
- --pcrel
- Never turn PC-relative branches into absolute jumps.
- --bitwise-or
- Permit `|' to be used in expressions. */
+ */
#ifdef OBJ_ELF
const char *md_shortopts = "lSA:m:kQ:V";
flag_keep_pcrel = 1;
break;
- case 'A':
- if (*arg == 'm')
- arg++;
- /* Intentional fall-through. */
- case 'm':
-
- if (arg[0] == 'n' && arg[1] == 'o' && arg[2] == '-')
- {
- int i;
- unsigned long arch;
-
- arg += 3;
- if (*arg == 'm')
- {
- arg++;
- if (arg[0] == 'c' && arg[1] == '6')
- arg++;
- }
- for (i = 0; i < n_archs; i++)
- if (!strcmp (arg, archs[i].name))
- break;
- if (i == n_archs)
- return 0;
-
- arch = archs[i].arch;
- if (arch == m68881)
- no_68881 = 1;
- else if (arch == m68851)
- no_68851 = 1;
- else
- return 0;
- }
- else
- {
- int i;
-
- if (arg[0] == 'c' && arg[1] == '6')
- arg++;
-
- for (i = 0; i < n_archs; i++)
- if (!strcmp (arg, archs[i].name))
- {
- unsigned long arch = archs[i].arch;
-
- if (cpu_of_arch (arch))
- /* It's a cpu spec. */
- {
- current_architecture &= ~m68000up;
- current_architecture |= arch;
- current_chip = archs[i].chip;
- }
- else if (arch == m68881)
- {
- current_architecture |= m68881;
- no_68881 = 0;
- }
- else if (arch == m68851)
- {
- current_architecture |= m68851;
- no_68851 = 0;
- }
- else
- /* ??? */
- abort ();
- break;
- }
- if (i == n_archs)
- {
- as_bad (_("unrecognized architecture specification `%s'"), arg);
- return 0;
- }
- }
- break;
-
case OPTION_PIC:
case 'k':
flag_want_pic = 1;
m68k_rel32_from_cmdline = 1;
break;
+ case 'A':
+#if WARN_DEPRECATED
+ as_tsktsk (_ ("option `-A%s' is deprecated: use `-%s'",
+ arg, arg));
+#endif
+ /* Intentional fall-through. */
+ case 'm':
+ if (!strncmp (arg, "arch=", 5))
+ m68k_set_arch (arg + 5, 1, 0);
+ else if (!strncmp (arg, "cpu=", 4))
+ m68k_set_cpu (arg + 4, 1, 0);
+ else if (m68k_set_extension (arg, 0, 1))
+ ;
+ else if (m68k_set_arch (arg, 0, 1))
+ ;
+ else if (m68k_set_cpu (arg, 0, 1))
+ ;
+ else
+ return 0;
+ break;
+
default:
return 0;
}
return 1;
}
+/* Setup tables from the selected arch and/or cpu */
+
+static void
+m68k_init_arch (void)
+{
+ if (not_current_architecture & current_architecture)
+ {
+ as_bad (_("architecture features both enabled and disabled"));
+ not_current_architecture &= ~current_architecture;
+ }
+ if (selected_arch)
+ {
+ current_architecture |= selected_arch->arch;
+ control_regs = selected_arch->control_regs;
+ }
+ else
+ current_architecture |= selected_cpu->arch;
+
+ current_architecture &= ~not_current_architecture;
+
+ if ((current_architecture & (cfloat | m68881)) == (cfloat | m68881))
+ {
+ /* Determine which float is really meant. */
+ if (current_architecture & (m68k_mask & ~m68881))
+ current_architecture ^= cfloat;
+ else
+ current_architecture ^= m68881;
+ }
+
+ if (selected_cpu)
+ {
+ control_regs = selected_cpu->control_regs;
+ if (current_architecture & ~selected_cpu->arch)
+ {
+ as_bad (_("selected processor does not have all features of selected architecture"));
+ current_architecture
+ = selected_cpu->arch & ~not_current_architecture;
+ }
+ }
+
+ if ((current_architecture & m68k_mask)
+ && (current_architecture & ~m68k_mask))
+ {
+ as_bad (_ ("m68k and cf features both selected"));
+ if (current_architecture & m68k_mask)
+ current_architecture &= m68k_mask;
+ else
+ current_architecture &= ~m68k_mask;
+ }
+
+ /* Permit m68881 specification with all cpus; those that can't work
+ with a coprocessor could be doing emulation. */
+ if (current_architecture & m68851)
+ {
+ if (current_architecture & m68040)
+ as_warn (_("68040 and 68851 specified; mmu instructions may assemble incorrectly"));
+ }
+ /* What other incompatibilities could we check for? */
+
+ if (cpu_of_arch (current_architecture) < m68020
+ || arch_coldfire_p (current_architecture))
+ md_relax_table[TAB (PCINDEX, BYTE)].rlx_more = 0;
+
+ initialized = 1;
+}
+
void
md_show_usage (FILE *stream)
{
/* Get the canonical name for the default target CPU. */
if (*default_cpu == 'm')
default_cpu++;
- for (i = 0; i < n_archs; i++)
+ for (i = 0; m68k_cpus[i].name; i++)
{
- if (strcasecmp (default_cpu, archs[i].name) == 0)
+ if (strcasecmp (default_cpu, m68k_cpus[i].name) == 0)
{
- default_arch = archs[i].arch;
- for (i = 0; i < n_archs; i++)
- {
- if (archs[i].arch == default_arch
- && !archs[i].alias)
- {
- default_cpu = archs[i].name;
- break;
- }
- }
+ default_arch = m68k_cpus[i].arch;
+ while (m68k_cpus[i].alias > 0)
+ i--;
+ while (m68k_cpus[i].alias < 0)
+ i++;
+ default_cpu = m68k_cpus[i].name;
}
}
fprintf (stream, _("\
-680X0 options:\n\
--l use 1 word for refs to undefined symbols [default 2]\n\
--m68000 | -m68008 | -m68010 | -m68020 | -m68030 | -m68040 | -m68060 |\n\
--m68302 | -m68331 | -m68332 | -m68333 | -m68340 | -m68360 | -mcpu32 |\n\
--m5200 | -m5202 | -m5204 | -m5206 | -m5206e | -m521x | -m5249 |\n\
--m528x | -m5307 | -m5407 | -m547x | -m548x | -mcfv4 | -mcfv4e\n\
- specify variant of 680X0 architecture [default %s]\n\
--m68881 | -m68882 | -mno-68881 | -mno-68882\n\
- target has/lacks floating-point coprocessor\n\
- [default yes for 68020, 68030, and cpu32]\n"),
- default_cpu);
+-march=<arch> set architecture\n\
+-mcpu=<cpu> set cpu [default %s]\n\
+"), default_cpu);
+ for (i = 0; m68k_extensions[i].name; i++)
+ fprintf (stream, _("\
+-m[no-]%-16s enable/disable%s architecture extension\n\
+"), m68k_extensions[i].name,
+ m68k_extensions[i].alias > 0 ? " ColdFire"
+ : m68k_extensions[i].alias < 0 ? " m68k" : "");
+
fprintf (stream, _("\
--m68851 | -mno-68851\n\
- target has/lacks memory-management unit coprocessor\n\
- [default yes for 68020 and up]\n\
+-l use 1 word for refs to undefined symbols [default 2]\n\
-pic, -k generate position independent code\n\
-S turn jbsr into jsr\n\
--pcrel never turn PC-relative branches into absolute jumps\n\
--register-prefix-optional\n\
recognize register names without prefix character\n\
---bitwise-or do not treat `|' as a comment character\n"));
- fprintf (stream, _("\
+--bitwise-or do not treat `|' as a comment character\n\
--base-size-default-16 base reg without size is 16 bits\n\
--base-size-default-32 base reg without size is 32 bits (default)\n\
--disp-size-default-16 displacement with unknown size is 16 bits\n\
---disp-size-default-32 displacement with unknown size is 32 bits (default)\n"));
+--disp-size-default-32 displacement with unknown size is 32 bits (default)\n\
+"));
+
+ fprintf (stream, _("Architecture variants are: "));
+ for (i = 0; m68k_archs[i].name; i++)
+ {
+ if (i)
+ fprintf (stream, " | ");
+ fprintf (stream, m68k_archs[i].name);
+ }
+ fprintf (stream, "\n");
+
+ fprintf (stream, _("Processor variants are: "));
+ for (i = 0; m68k_cpus[i].name; i++)
+ {
+ if (i)
+ fprintf (stream, " | ");
+ fprintf (stream, m68k_cpus[i].name);
+ }
+ fprintf (stream, _("\n"));
}
\f
#ifdef TEST2
md_section_align (segT segment ATTRIBUTE_UNUSED, valueT size)
{
#ifdef OBJ_AOUT
-#ifdef BFD_ASSEMBLER
/* For a.out, force the section size to be aligned. If we don't do
this, BFD will align it for us, but it will not write out the
final bytes of the section. This may be a bug in BFD, but it is
align = bfd_get_section_alignment (stdoutput, segment);
size = ((size + (1 << align) - 1) & ((valueT) -1 << align));
-#endif
#endif
return size;
return fixP->fx_where + fixP->fx_frag->fr_address - adjust;
}
-#ifndef BFD_ASSEMBLER
-#ifdef OBJ_COFF
-
-void
-tc_coff_symbol_emit_hook (symbolS *ignore ATTRIBUTE_UNUSED)
-{
-}
-
-int
-tc_coff_sizemachdep (fragS *frag)
-{
- switch (frag->fr_subtype & 0x3)
- {
- case BYTE:
- return 1;
- case SHORT:
- return 2;
- case LONG:
- return 4;
- default:
- abort ();
- return 0;
- }
-}
-
-#endif
-#endif
-
#ifdef OBJ_ELF
void
m68k_elf_final_processing (void)
{
- /* Set file-specific flags if this is a cpu32 processor. */
+ unsigned flags = 0;
+
if (arch_coldfire_fpu (current_architecture))
- elf_elfheader (stdoutput)->e_flags |= EF_CFV4E;
+ flags |= EF_M68K_CFV4E;
+ /* Set file-specific flags if this is a cpu32 processor. */
if (cpu_of_arch (current_architecture) & cpu32)
- elf_elfheader (stdoutput)->e_flags |= EF_CPU32;
+ flags |= EF_M68K_CPU32;
+ else if (cpu_of_arch (current_architecture) & fido_a)
+ flags |= EF_M68K_FIDO;
else if ((cpu_of_arch (current_architecture) & m68000up)
&& !(cpu_of_arch (current_architecture) & m68020up))
- elf_elfheader (stdoutput)->e_flags |= EF_M68000;
+ flags |= EF_M68K_M68000;
+
+ if (current_architecture & mcfisa_a)
+ {
+ static const unsigned isa_features[][2] =
+ {
+ {EF_M68K_CF_ISA_A_NODIV,mcfisa_a},
+ {EF_M68K_CF_ISA_A, mcfisa_a|mcfhwdiv},
+ {EF_M68K_CF_ISA_A_PLUS, mcfisa_a|mcfisa_aa|mcfhwdiv|mcfusp},
+ {EF_M68K_CF_ISA_B_NOUSP,mcfisa_a|mcfisa_b|mcfhwdiv},
+ {EF_M68K_CF_ISA_B, mcfisa_a|mcfisa_b|mcfhwdiv|mcfusp},
+ {EF_M68K_CF_ISA_C, mcfisa_a|mcfisa_c|mcfhwdiv|mcfusp},
+ {EF_M68K_CF_ISA_C_NODIV,mcfisa_a|mcfisa_c|mcfusp},
+ {0,0},
+ };
+ static const unsigned mac_features[][2] =
+ {
+ {EF_M68K_CF_MAC, mcfmac},
+ {EF_M68K_CF_EMAC, mcfemac},
+ {0,0},
+ };
+ unsigned ix;
+ unsigned pattern;
+
+ pattern = (current_architecture
+ & (mcfisa_a|mcfisa_aa|mcfisa_b|mcfisa_c|mcfhwdiv|mcfusp));
+ for (ix = 0; isa_features[ix][1]; ix++)
+ {
+ if (pattern == isa_features[ix][1])
+ {
+ flags |= isa_features[ix][0];
+ break;
+ }
+ }
+ if (!isa_features[ix][1])
+ {
+ cf_bad:
+ as_warn (_("Not a defined coldfire architecture"));
+ }
+ else
+ {
+ if (current_architecture & cfloat)
+ flags |= EF_M68K_CF_FLOAT | EF_M68K_CFV4E;
+
+ pattern = current_architecture & (mcfmac|mcfemac);
+ if (pattern)
+ {
+ for (ix = 0; mac_features[ix][1]; ix++)
+ {
+ if (pattern == mac_features[ix][1])
+ {
+ flags |= mac_features[ix][0];
+ break;
+ }
+ }
+ if (!mac_features[ix][1])
+ goto cf_bad;
+ }
+ }
+ }
+ elf_elfheader (stdoutput)->e_flags |= flags;
}
#endif
int
-tc_m68k_regname_to_dw2regnum (const char *regname)
+tc_m68k_regname_to_dw2regnum (char *regname)
{
unsigned int regnum;
static const char *const regnames[] =
projects / binutils.git / blobdiff