2004-02-18 18:44:52 +01:00
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/* Native-dependent code for OpenBSD/amd64.
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Copyright 2003, 2004 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "gdb_assert.h"
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2004-02-25 21:59:12 +01:00
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#include "amd64-tdep.h"
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2004-02-18 18:44:52 +01:00
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#include "amd64-nat.h"
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/* Mapping between the general-purpose registers in OpenBSD/amd64
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`struct reg' format and GDB's register cache layout for
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OpenBSD/i386.
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Note that most (if not all) OpenBSD/amd64 registers are 64-bit,
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while the OpenBSD/i386 registers are all 32-bit, but since we're
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little-endian we get away with that. */
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/* From <machine/reg.h>. */
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static int amd64obsd32_r_reg_offset[] =
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{
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14 * 8, /* %eax */
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3 * 8, /* %ecx */
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2 * 8, /* %edx */
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13 * 8, /* %ebx */
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15 * 8, /* %esp */
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12 * 8, /* %ebp */
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1 * 8, /* %esi */
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0 * 8, /* %edi */
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16 * 8, /* %eip */
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17 * 8, /* %eflags */
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18 * 8, /* %cs */
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19 * 8, /* %ss */
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20 * 8, /* %ds */
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21 * 8, /* %es */
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22 * 8, /* %fs */
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23 * 8 /* %gs */
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};
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/* Provide a prototype to silence -Wmissing-prototypes. */
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void _initialize_amd64obsd_nat (void);
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void
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_initialize_amd64obsd_nat (void)
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{
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amd64_native_gregset32_reg_offset = amd64obsd32_r_reg_offset;
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amd64_native_gregset32_num_regs = ARRAY_SIZE (amd64obsd32_r_reg_offset);
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amd64_native_gregset64_reg_offset = amd64obsd_r_reg_offset;
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}
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