1/* Copyright (C) 2001, 2002, 2004 Free Software Foundation, Inc.
2   This file is part of the GNU C Library.
3
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.
8
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.
13
14   You should have received a copy of the GNU Lesser General Public
15   License along with the GNU C Library; if not, write to the Free
16   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17   02111-1307 USA.  */
18
19#ifndef _SYS_USER_H
20#define _SYS_USER_H	1
21
22/* The whole purpose of this file is for GDB and GDB only.  Don't read
23   too much into it.  Don't use it for anything other than GDB unless
24   you know what you are doing.  */
25
26#include <bits/wordsize.h>
27#include <unistd.h>
28
29#if __WORDSIZE == 64
30
31struct user_fpregs_struct
32{
33  __uint16_t		cwd;
34  __uint16_t		swd;
35  __uint16_t		ftw;
36  __uint16_t		fop;
37  __uint64_t		rip;
38  __uint64_t		rdp;
39  __uint32_t		mxcsr;
40  __uint32_t		mxcr_mask;
41  __uint32_t		st_space[32];   /* 8*16 bytes for each FP-reg = 128 bytes */
42  __uint32_t		xmm_space[64];  /* 16*16 bytes for each XMM-reg = 256 bytes */
43  __uint32_t		padding[24];
44};
45
46struct user_regs_struct
47{
48  unsigned long r15;
49  unsigned long r14;
50  unsigned long r13;
51  unsigned long r12;
52  unsigned long rbp;
53  unsigned long rbx;
54  unsigned long r11;
55  unsigned long r10;
56  unsigned long r9;
57  unsigned long r8;
58  unsigned long rax;
59  unsigned long rcx;
60  unsigned long rdx;
61  unsigned long rsi;
62  unsigned long rdi;
63  unsigned long orig_rax;
64  unsigned long rip;
65  unsigned long cs;
66  unsigned long eflags;
67  unsigned long rsp;
68  unsigned long ss;
69  unsigned long fs_base;
70  unsigned long gs_base;
71  unsigned long ds;
72  unsigned long es;
73  unsigned long fs;
74  unsigned long gs;
75};
76
77struct user
78{
79  struct user_regs_struct	regs;
80  int				u_fpvalid;
81  struct user_fpregs_struct	i387;
82  unsigned long int		u_tsize;
83  unsigned long int		u_dsize;
84  unsigned long int		u_ssize;
85  unsigned long			start_code;
86  unsigned long			start_stack;
87  long int			signal;
88  int				reserved;
89  struct user_regs_struct*	u_ar0;
90  struct user_fpregs_struct*	u_fpstate;
91  unsigned long int		magic;
92  char				u_comm [32];
93  unsigned long int		u_debugreg [8];
94};
95
96#else
97/* These are the 32-bit x86 structures.  */
98struct user_fpregs_struct
99{
100  long int cwd;
101  long int swd;
102  long int twd;
103  long int fip;
104  long int fcs;
105  long int foo;
106  long int fos;
107  long int st_space [20];
108};
109
110struct user_fpxregs_struct
111{
112  unsigned short int cwd;
113  unsigned short int swd;
114  unsigned short int twd;
115  unsigned short int fop;
116  long int fip;
117  long int fcs;
118  long int foo;
119  long int fos;
120  long int mxcsr;
121  long int reserved;
122  long int st_space[32];   /* 8*16 bytes for each FP-reg = 128 bytes */
123  long int xmm_space[32];  /* 8*16 bytes for each XMM-reg = 128 bytes */
124  long int padding[56];
125};
126
127struct user_regs_struct
128{
129  long int ebx;
130  long int ecx;
131  long int edx;
132  long int esi;
133  long int edi;
134  long int ebp;
135  long int eax;
136  long int xds;
137  long int xes;
138  long int xfs;
139  long int xgs;
140  long int orig_eax;
141  long int eip;
142  long int xcs;
143  long int eflags;
144  long int esp;
145  long int xss;
146};
147
148struct user
149{
150  struct user_regs_struct	regs;
151  int				u_fpvalid;
152  struct user_fpregs_struct	i387;
153  unsigned long int		u_tsize;
154  unsigned long int		u_dsize;
155  unsigned long int		u_ssize;
156  unsigned long			start_code;
157  unsigned long			start_stack;
158  long int			signal;
159  int				reserved;
160  struct user_regs_struct*	u_ar0;
161  struct user_fpregs_struct*	u_fpstate;
162  unsigned long int		magic;
163  char				u_comm [32];
164  int				u_debugreg [8];
165};
166#endif  /* __WORDSIZE */
167
168#define PAGE_SIZE		(sysconf(_SC_PAGESIZE))
169#define PAGE_MASK		(~(PAGE_SIZE-1))
170#define NBPG			PAGE_SIZE
171#define UPAGES			1
172#define HOST_TEXT_START_ADDR	(u.start_code)
173#define HOST_STACK_END_ADDR	(u.start_stack + u.u_ssize * NBPG)
174
175#endif	/* _SYS_USER_H */
176