1/* Target-dependent definitions for AMD64.
2
3   Copyright 2001, 2003, 2004 Free Software Foundation, Inc.
4   Contributed by Jiri Smid, SuSE Labs.
5
6   This file is part of GDB.
7
8   This program is free software; you can redistribute it and/or modify
9   it under the terms of the GNU General Public License as published by
10   the Free Software Foundation; either version 2 of the License, or
11   (at your option) any later version.
12
13   This program is distributed in the hope that it will be useful,
14   but WITHOUT ANY WARRANTY; without even the implied warranty of
15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16   GNU General Public License for more details.
17
18   You should have received a copy of the GNU General Public License
19   along with this program; if not, write to the Free Software
20   Foundation, Inc., 59 Temple Place - Suite 330,
21   Boston, MA 02111-1307, USA.  */
22
23#ifndef AMD64_TDEP_H
24#define AMD64_TDEP_H
25
26struct gdbarch;
27struct frame_info;
28struct regcache;
29
30#include "i386-tdep.h"
31
32/* Register numbers of various important registers.  */
33
34enum amd64_regnum
35{
36  AMD64_RAX_REGNUM,		/* %rax */
37  AMD64_RBX_REGNUM,		/* %rbx */
38  AMD64_RCX_REGNUM,		/* %rcx */
39  AMD64_RDX_REGNUM,		/* %rdx */
40  AMD64_RSI_REGNUM,		/* %rsi */
41  AMD64_RDI_REGNUM,		/* %rdi */
42  AMD64_RBP_REGNUM,		/* %rbp */
43  AMD64_RSP_REGNUM,		/* %rsp */
44  AMD64_R8_REGNUM = 8,		/* %r8 */
45  AMD64_R15_REGNUM = 15,	/* %r15 */
46  AMD64_RIP_REGNUM,		/* %rip */
47  AMD64_EFLAGS_REGNUM,		/* %eflags */
48  AMD64_ST0_REGNUM = 24,	/* %st0 */
49  AMD64_XMM0_REGNUM = 40,	/* %xmm0 */
50  AMD64_XMM1_REGNUM		/* %xmm1 */
51};
52
53/* Number of general purpose registers.  */
54#define AMD64_NUM_GREGS		24
55
56extern void amd64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch);
57
58/* Fill register REGNUM in REGCACHE with the appropriate
59   floating-point or SSE register value from *FXSAVE.  If REGNUM is
60   -1, do this for all registers.  This function masks off any of the
61   reserved bits in *FXSAVE.  */
62
63extern void amd64_supply_fxsave (struct regcache *regcache, int regnum,
64				 const void *fxsave);
65
66/* Fill register REGNUM (if it is a floating-point or SSE register) in
67   *FXSAVE with the value from REGCACHE.  If REGNUM is -1, do this for
68   all registers.  This function doesn't touch any of the reserved
69   bits in *FXSAVE.  */
70
71extern void amd64_collect_fxsave (const struct regcache *regcache, int regnum,
72				  void *fxsave);
73
74/* Fill register REGNUM (if it is a floating-point or SSE register) in
75   *FXSAVE with the value in GDB's register cache.  If REGNUM is -1, do
76   this for all registers.  This function doesn't touch any of the
77   reserved bits in *FXSAVE.  */
78
79extern void amd64_fill_fxsave (char *fxsave, int regnum);
80
81
82/* Variables exported from amd64nbsd-tdep.c.  */
83extern int amd64nbsd_r_reg_offset[];
84
85/* Variables exported from amd64obsd-tdep.c.  */
86extern int amd64obsd_r_reg_offset[];
87
88/* Variables exported from amd64fbsd-tdep.c.  */
89extern CORE_ADDR amd64fbsd_sigtramp_start_addr;
90extern CORE_ADDR amd64fbsd_sigtramp_end_addr;
91extern int amd64fbsd_sc_reg_offset[];
92
93#endif /* amd64-tdep.h */
94