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/* Native-dependent code for OpenBSD/amd64.
Copyright 2003, 2004 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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "gdb_assert.h"
#include "amd64-tdep.h"
#include "amd64-nat.h"
/* Mapping between the general-purpose registers in OpenBSD/amd64
`struct reg' format and GDB's register cache layout for
OpenBSD/i386.
Note that most (if not all) OpenBSD/amd64 registers are 64-bit,
while the OpenBSD/i386 registers are all 32-bit, but since we're
little-endian we get away with that. */
/* From <machine/reg.h>. */
static int amd64obsd32_r_reg_offset[] =
{
14 * 8, /* %eax */
3 * 8, /* %ecx */
2 * 8, /* %edx */
13 * 8, /* %ebx */
15 * 8, /* %esp */
12 * 8, /* %ebp */
1 * 8, /* %esi */
0 * 8, /* %edi */
16 * 8, /* %eip */
17 * 8, /* %eflags */
18 * 8, /* %cs */
19 * 8, /* %ss */
20 * 8, /* %ds */
21 * 8, /* %es */
22 * 8, /* %fs */
23 * 8 /* %gs */
};
/* Provide a prototype to silence -Wmissing-prototypes. */
void _initialize_amd64obsd_nat (void);
void
_initialize_amd64obsd_nat (void)
{
amd64_native_gregset32_reg_offset = amd64obsd32_r_reg_offset;
amd64_native_gregset32_num_regs = ARRAY_SIZE (amd64obsd32_r_reg_offset);
amd64_native_gregset64_reg_offset = amd64obsd_r_reg_offset;
}
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