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 31 struct 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 46 struct 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 77 struct 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. */ 98 struct 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 }; 109 110 struct 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 }; 126 127 struct 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 }; 147 148 struct 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
