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/* Target-dependent code for the GNU Hurd.
Copyright (C) 2002-2017 Free Software Foundation, Inc.
This file is part of GDB.
This program 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 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "osabi.h"
#include "solib-svr4.h"
#include "i386-tdep.h"
/* From <sys/ucontext.h>. */
static int i386gnu_gregset_reg_offset[] =
{
11 * 4, /* %eax */
10 * 4, /* %ecx */
9 * 4, /* %edx */
8 * 4, /* %ebx */
17 * 4, /* %uesp */
6 * 4, /* %ebp */
5 * 4, /* %esi */
4 * 4, /* %edi */
14 * 4, /* %eip */
16 * 4, /* %efl */
15 * 4, /* %cs */
18 * 4, /* %ss */
3 * 4, /* %ds */
2 * 4, /* %es */
1 * 4, /* %fs */
0 * 4, /* %gs */
};
static void
i386gnu_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* GNU uses ELF. */
i386_elf_init_abi (info, gdbarch);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
tdep->gregset_reg_offset = i386gnu_gregset_reg_offset;
tdep->gregset_num_regs = ARRAY_SIZE (i386gnu_gregset_reg_offset);
tdep->sizeof_gregset = 19 * 4;
tdep->jb_pc_offset = 20; /* From <bits/setjmp.h>. */
}
/* Provide a prototype to silence -Wmissing-prototypes. */
extern void _initialize_i386gnu_tdep (void);
void
_initialize_i386gnu_tdep (void)
{
gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_HURD, i386gnu_init_abi);
}
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