xref: /dragonfly/contrib/gdb-7/gdb/amd64-tdep.h (revision ef5ccd6c)
1 /* Target-dependent definitions for AMD64.
2 
3    Copyright (C) 2001-2013 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 3 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, see <http://www.gnu.org/licenses/>.  */
20 
21 #ifndef AMD64_TDEP_H
22 #define AMD64_TDEP_H
23 
24 struct gdbarch;
25 struct frame_info;
26 struct regcache;
27 
28 #include "i386-tdep.h"
29 
30 /* Register numbers of various important registers.  */
31 
32 enum amd64_regnum
33 {
34   AMD64_RAX_REGNUM,		/* %rax */
35   AMD64_RBX_REGNUM,		/* %rbx */
36   AMD64_RCX_REGNUM,		/* %rcx */
37   AMD64_RDX_REGNUM,		/* %rdx */
38   AMD64_RSI_REGNUM,		/* %rsi */
39   AMD64_RDI_REGNUM,		/* %rdi */
40   AMD64_RBP_REGNUM,		/* %rbp */
41   AMD64_RSP_REGNUM,		/* %rsp */
42   AMD64_R8_REGNUM,		/* %r8 */
43   AMD64_R9_REGNUM,		/* %r9 */
44   AMD64_R10_REGNUM,		/* %r10 */
45   AMD64_R11_REGNUM,		/* %r11 */
46   AMD64_R12_REGNUM,		/* %r12 */
47   AMD64_R13_REGNUM,		/* %r13 */
48   AMD64_R14_REGNUM,		/* %r14 */
49   AMD64_R15_REGNUM,		/* %r15 */
50   AMD64_RIP_REGNUM,		/* %rip */
51   AMD64_EFLAGS_REGNUM,		/* %eflags */
52   AMD64_CS_REGNUM,		/* %cs */
53   AMD64_SS_REGNUM,		/* %ss */
54   AMD64_DS_REGNUM,		/* %ds */
55   AMD64_ES_REGNUM,		/* %es */
56   AMD64_FS_REGNUM,		/* %fs */
57   AMD64_GS_REGNUM,		/* %gs */
58   AMD64_ST0_REGNUM = 24,	/* %st0 */
59   AMD64_ST1_REGNUM,		/* %st1 */
60   AMD64_FCTRL_REGNUM = AMD64_ST0_REGNUM + 8,
61   AMD64_FSTAT_REGNUM = AMD64_ST0_REGNUM + 9,
62   AMD64_FTAG_REGNUM = AMD64_ST0_REGNUM + 10,
63   AMD64_XMM0_REGNUM = 40,	/* %xmm0 */
64   AMD64_XMM1_REGNUM,		/* %xmm1 */
65   AMD64_MXCSR_REGNUM = AMD64_XMM0_REGNUM + 16,
66   AMD64_YMM0H_REGNUM,		/* %ymm0h */
67   AMD64_YMM15H_REGNUM = AMD64_YMM0H_REGNUM + 15
68 };
69 
70 /* Number of general purpose registers.  */
71 #define AMD64_NUM_GREGS		24
72 
73 #define AMD64_NUM_REGS		(AMD64_YMM15H_REGNUM + 1)
74 
75 extern struct displaced_step_closure *amd64_displaced_step_copy_insn
76   (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to,
77    struct regcache *regs);
78 extern void amd64_displaced_step_fixup (struct gdbarch *gdbarch,
79 					struct displaced_step_closure *closure,
80 					CORE_ADDR from, CORE_ADDR to,
81 					struct regcache *regs);
82 
83 extern void amd64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch);
84 extern void amd64_x32_init_abi (struct gdbarch_info info,
85 				struct gdbarch *gdbarch);
86 
87 /* Fill register REGNUM in REGCACHE with the appropriate
88    floating-point or SSE register value from *FXSAVE.  If REGNUM is
89    -1, do this for all registers.  This function masks off any of the
90    reserved bits in *FXSAVE.  */
91 
92 extern void amd64_supply_fxsave (struct regcache *regcache, int regnum,
93 				 const void *fxsave);
94 
95 /* Similar to amd64_supply_fxsave, but use XSAVE extended state.  */
96 extern void amd64_supply_xsave (struct regcache *regcache, int regnum,
97 				const void *xsave);
98 
99 /* Fill register REGNUM (if it is a floating-point or SSE register) in
100    *FXSAVE with the value from REGCACHE.  If REGNUM is -1, do this for
101    all registers.  This function doesn't touch any of the reserved
102    bits in *FXSAVE.  */
103 
104 extern void amd64_collect_fxsave (const struct regcache *regcache, int regnum,
105 				  void *fxsave);
106 
107 /* Similar to amd64_collect_fxsave, but use XSAVE extended state.  */
108 extern void amd64_collect_xsave (const struct regcache *regcache,
109 				 int regnum, void *xsave, int gcore);
110 
111 void amd64_classify (struct type *type, enum amd64_reg_class class[2]);
112 
113 
114 
115 /* Variables exported from amd64-linux-tdep.c.  */
116 extern int amd64_linux_gregset_reg_offset[];
117 
118 /* Variables exported from amd64nbsd-tdep.c.  */
119 extern int amd64nbsd_r_reg_offset[];
120 
121 /* Variables exported from amd64obsd-tdep.c.  */
122 extern int amd64obsd_r_reg_offset[];
123 
124 /* Variables exported from amd64fbsd-tdep.c.  */
125 extern CORE_ADDR amd64fbsd_sigtramp_start_addr;
126 extern CORE_ADDR amd64fbsd_sigtramp_end_addr;
127 extern int amd64fbsd_sc_reg_offset[];
128 
129 /* Variables exported from amd64dfly-tdep.c.  */
130 extern CORE_ADDR amd64dfly_sigtramp_start_addr;
131 extern CORE_ADDR amd64dfly_sigtramp_end_addr;
132 extern int amd64dfly_sc_reg_offset[];
133 
134 #endif /* amd64-tdep.h */
135