1 /* Target-dependent code for SuperH running NetBSD, for GDB.
2 Copyright 2002 Free Software Foundation, Inc.
3 Contributed by Wasabi Systems, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
27 #include "solib-svr4.h"
29 #include "nbsd-tdep.h"
31 #include "shnbsd-tdep.h"
33 /* Convert an r0-r15 register number into an offset into a ptrace
34 register structure. */
35 static const int regmap[] =
55 #define SIZEOF_STRUCT_REG (21 * 4)
58 shnbsd_supply_reg (char *regs, int regno)
62 if (regno == PC_REGNUM || regno == -1)
63 supply_register (PC_REGNUM, regs + (0 * 4));
65 if (regno == SR_REGNUM || regno == -1)
66 supply_register (SR_REGNUM, regs + (1 * 4));
68 if (regno == PR_REGNUM || regno == -1)
69 supply_register (PR_REGNUM, regs + (2 * 4));
71 if (regno == MACH_REGNUM || regno == -1)
72 supply_register (MACH_REGNUM, regs + (3 * 4));
74 if (regno == MACL_REGNUM || regno == -1)
75 supply_register (MACL_REGNUM, regs + (4 * 4));
77 if ((regno >= R0_REGNUM && regno <= (R0_REGNUM + 15)) || regno == -1)
79 for (i = R0_REGNUM; i <= (R0_REGNUM + 15); i++)
80 if (regno == i || regno == -1)
81 supply_register (i, regs + regmap[i - R0_REGNUM]);
86 shnbsd_fill_reg (char *regs, int regno)
90 if (regno == PC_REGNUM || regno == -1)
91 regcache_collect (PC_REGNUM, regs + (0 * 4));
93 if (regno == SR_REGNUM || regno == -1)
94 regcache_collect (SR_REGNUM, regs + (1 * 4));
96 if (regno == PR_REGNUM || regno == -1)
97 regcache_collect (PR_REGNUM, regs + (2 * 4));
99 if (regno == MACH_REGNUM || regno == -1)
100 regcache_collect (MACH_REGNUM, regs + (3 * 4));
102 if (regno == MACL_REGNUM || regno == -1)
103 regcache_collect (MACL_REGNUM, regs + (4 * 4));
105 if ((regno >= R0_REGNUM && regno <= (R0_REGNUM + 15)) || regno == -1)
107 for (i = R0_REGNUM; i <= (R0_REGNUM + 15); i++)
108 if (regno == i || regno == -1)
109 regcache_collect (i, regs + regmap[i - R0_REGNUM]);
114 fetch_core_registers (char *core_reg_sect, unsigned core_reg_size,
115 int which, CORE_ADDR ignore)
117 /* We get everything from the .reg section. */
121 if (core_reg_size < SIZEOF_STRUCT_REG)
123 warning ("Wrong size register set in core file.");
127 /* Integer registers. */
128 shnbsd_supply_reg (core_reg_sect, -1);
132 fetch_elfcore_registers (char *core_reg_sect, unsigned core_reg_size,
133 int which, CORE_ADDR ignore)
137 case 0: /* Integer registers. */
138 if (core_reg_size != SIZEOF_STRUCT_REG)
139 warning ("Wrong size register set in core file.");
141 shnbsd_supply_reg (core_reg_sect, -1);
145 /* Don't know what kind of register request this is; just ignore it. */
150 static struct core_fns shnbsd_core_fns =
152 bfd_target_unknown_flavour, /* core_flavour */
153 default_check_format, /* check_format */
154 default_core_sniffer, /* core_sniffer */
155 fetch_core_registers, /* core_read_registers */
159 static struct core_fns shnbsd_elfcore_fns =
161 bfd_target_elf_flavour, /* core_flavour */
162 default_check_format, /* check_format */
163 default_core_sniffer, /* core_sniffer */
164 fetch_elfcore_registers, /* core_read_registers */
169 shnbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
171 /* FIXME: Need to add support for kernel-provided signal trampolines. */
172 return (nbsd_pc_in_sigtramp (pc, func_name));
176 shnbsd_init_abi (struct gdbarch_info info,
177 struct gdbarch *gdbarch)
179 set_gdbarch_pc_in_sigtramp (gdbarch, shnbsd_pc_in_sigtramp);
181 set_solib_svr4_fetch_link_map_offsets (gdbarch,
182 nbsd_ilp32_solib_svr4_fetch_link_map_offsets);
186 _initialize_shnbsd_tdep (void)
188 add_core_fns (&shnbsd_core_fns);
189 add_core_fns (&shnbsd_elfcore_fns);
191 gdbarch_register_osabi (bfd_arch_sh, GDB_OSABI_NETBSD_ELF, shnbsd_init_abi);