1 /* Copyright (C) 2001-2015 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
21 /* The whole purpose of this file is for GDB and GDB only. Don't read
22 too much into it. Don't use it for anything other than GDB unless
23 you know what you are doing. */
27 struct user_fpregs_struct
29 unsigned short int cwd
;
30 unsigned short int swd
;
31 unsigned short int ftw
;
32 unsigned short int fop
;
33 __extension__
unsigned long long int rip
;
34 __extension__
unsigned long long int rdp
;
36 unsigned int mxcr_mask
;
37 unsigned int st_space
[32]; /* 8*16 bytes for each FP-reg = 128 bytes */
38 unsigned int xmm_space
[64]; /* 16*16 bytes for each XMM-reg = 256 bytes */
39 unsigned int padding
[24];
42 struct user_regs_struct
44 __extension__
unsigned long long int r15
;
45 __extension__
unsigned long long int r14
;
46 __extension__
unsigned long long int r13
;
47 __extension__
unsigned long long int r12
;
48 __extension__
unsigned long long int rbp
;
49 __extension__
unsigned long long int rbx
;
50 __extension__
unsigned long long int r11
;
51 __extension__
unsigned long long int r10
;
52 __extension__
unsigned long long int r9
;
53 __extension__
unsigned long long int r8
;
54 __extension__
unsigned long long int rax
;
55 __extension__
unsigned long long int rcx
;
56 __extension__
unsigned long long int rdx
;
57 __extension__
unsigned long long int rsi
;
58 __extension__
unsigned long long int rdi
;
59 __extension__
unsigned long long int orig_rax
;
60 __extension__
unsigned long long int rip
;
61 __extension__
unsigned long long int cs
;
62 __extension__
unsigned long long int eflags
;
63 __extension__
unsigned long long int rsp
;
64 __extension__
unsigned long long int ss
;
65 __extension__
unsigned long long int fs_base
;
66 __extension__
unsigned long long int gs_base
;
67 __extension__
unsigned long long int ds
;
68 __extension__
unsigned long long int es
;
69 __extension__
unsigned long long int fs
;
70 __extension__
unsigned long long int gs
;
75 struct user_regs_struct regs
;
77 struct user_fpregs_struct i387
;
78 __extension__
unsigned long long int u_tsize
;
79 __extension__
unsigned long long int u_dsize
;
80 __extension__
unsigned long long int u_ssize
;
81 __extension__
unsigned long long int start_code
;
82 __extension__
unsigned long long int start_stack
;
83 __extension__
long long int signal
;
87 struct user_regs_struct
* u_ar0
;
88 __extension__
unsigned long long int __u_ar0_word
;
92 struct user_fpregs_struct
* u_fpstate
;
93 __extension__
unsigned long long int __u_fpstate_word
;
95 __extension__
unsigned long long int magic
;
97 __extension__
unsigned long long int u_debugreg
[8];
101 /* These are the 32-bit x86 structures. */
102 struct user_fpregs_struct
111 long int st_space
[20];
114 struct user_fpxregs_struct
116 unsigned short int cwd
;
117 unsigned short int swd
;
118 unsigned short int twd
;
119 unsigned short int fop
;
126 long int st_space
[32]; /* 8*16 bytes for each FP-reg = 128 bytes */
127 long int xmm_space
[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */
128 long int padding
[56];
131 struct user_regs_struct
154 struct user_regs_struct regs
;
156 struct user_fpregs_struct i387
;
157 unsigned long int u_tsize
;
158 unsigned long int u_dsize
;
159 unsigned long int u_ssize
;
160 unsigned long int start_code
;
161 unsigned long int start_stack
;
164 struct user_regs_struct
* u_ar0
;
165 struct user_fpregs_struct
* u_fpstate
;
166 unsigned long int magic
;
170 #endif /* __x86_64__ */
172 #define PAGE_SHIFT 12
173 #define PAGE_SIZE (1UL << PAGE_SHIFT)
174 #define PAGE_MASK (~(PAGE_SIZE-1))
175 #define NBPG PAGE_SIZE
177 #define HOST_TEXT_START_ADDR (u.start_code)
178 #define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
180 #endif /* _SYS_USER_H */