projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| abc08782 MK |
1 | /* Target-dependent code for OpenBSD/mips64. |
| 2 | ||
| 3 | Copyright 2004 Free Software Foundation, Inc. | |
| 4 | ||
| 5 | This file is part of GDB. | |
| 6 | ||
| 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. | |
| 11 | ||
| 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. | |
| 16 | ||
| 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. */ | |
| 21 | ||
| 22 | #include "defs.h" | |
| 23 | #include "osabi.h" | |
| 24 | #include "regcache.h" | |
| 25 | #include "regset.h" | |
| 26 | ||
| 27 | #include "gdb_string.h" | |
| 28 | ||
| 29 | #include "mips-tdep.h" | |
| 30 | #include "solib-svr4.h" | |
| 31 | ||
| 32 | #define MIPS64OBSD_NUM_REGS 73 | |
| 33 | ||
| 34 | /* Core file support. */ | |
| 35 | ||
| 36 | /* Supply register REGNUM from the buffer specified by GREGS and LEN | |
| 37 | in the general-purpose register set REGSET to register cache | |
| 38 | REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */ | |
| 39 | ||
| 40 | static void | |
| 41 | mips64obsd_supply_gregset (const struct regset *regset, | |
| 42 | struct regcache *regcache, int regnum, | |
| 43 | const void *gregs, size_t len) | |
| 44 | { | |
| 45 | const char *regs = gregs; | |
| 46 | int i; | |
| 47 | ||
| 48 | for (i = 0; i < MIPS64OBSD_NUM_REGS; i++) | |
| 49 | { | |
| 50 | if (regnum == i || regnum == -1) | |
| 51 | regcache_raw_supply (regcache, i, regs + i * 8); | |
| 52 | } | |
| 53 | } | |
| 54 | ||
| 55 | /* OpenBSD/mips64 register set. */ | |
| 56 | ||
| 57 | static struct regset mips64obsd_gregset = | |
| 58 | { | |
| 59 | NULL, | |
| 60 | mips64obsd_supply_gregset | |
| 61 | }; | |
| 62 | ||
| 63 | /* Return the appropriate register set for the core section identified | |
| 64 | by SECT_NAME and SECT_SIZE. */ | |
| 65 | ||
| 66 | static const struct regset * | |
| 67 | mips64obsd_regset_from_core_section (struct gdbarch *gdbarch, | |
| 68 | const char *sect_name, size_t sect_size) | |
| 69 | { | |
| 70 | if (strcmp (sect_name, ".reg") == 0 && sect_size >= MIPS64OBSD_NUM_REGS * 8) | |
| 71 | return &mips64obsd_gregset; | |
| 72 | ||
| 73 | return NULL; | |
| 74 | } | |
| 75 | \f | |
| 76 | ||
| 77 | static void | |
| 78 | mips64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) | |
| 79 | { | |
| 80 | set_gdbarch_regset_from_core_section | |
| 81 | (gdbarch, mips64obsd_regset_from_core_section); | |
| 82 | ||
| 83 | set_gdbarch_software_single_step (gdbarch, mips_software_single_step); | |
| 84 | ||
| 85 | set_solib_svr4_fetch_link_map_offsets | |
| 86 | (gdbarch, svr4_lp64_fetch_link_map_offsets); | |
| 87 | } | |
| 88 | ||
| 89 | \f | |
| 90 | /* Provide a prototype to silence -Wmissing-prototypes. */ | |
| 91 | void _initialize_mips64obsd_tdep (void); | |
| 92 | ||
| 93 | void | |
| 94 | _initialize_mips64obsd_tdep (void) | |
| 95 | { | |
| 96 | gdbarch_register_osabi (bfd_arch_mips, 0, GDB_OSABI_OPENBSD_ELF, | |
| 97 | mips64obsd_init_abi); | |
| 98 | } |