181 lines
5.1 KiB
C
181 lines
5.1 KiB
C
/* Copyright (C) 2001-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_USER_H
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#define _SYS_USER_H 1
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/* The whole purpose of this file is for GDB and GDB only. Don't read
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too much into it. Don't use it for anything other than GDB unless
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you know what you are doing. */
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#ifdef __x86_64__
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struct user_fpregs_struct
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{
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unsigned short int cwd;
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unsigned short int swd;
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unsigned short int ftw;
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unsigned short int fop;
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__extension__ unsigned long long int rip;
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__extension__ unsigned long long int rdp;
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unsigned int mxcsr;
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unsigned int mxcr_mask;
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unsigned int st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */
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unsigned int xmm_space[64]; /* 16*16 bytes for each XMM-reg = 256 bytes */
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unsigned int padding[24];
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};
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struct user_regs_struct
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{
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__extension__ unsigned long long int r15;
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__extension__ unsigned long long int r14;
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__extension__ unsigned long long int r13;
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__extension__ unsigned long long int r12;
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__extension__ unsigned long long int rbp;
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__extension__ unsigned long long int rbx;
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__extension__ unsigned long long int r11;
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__extension__ unsigned long long int r10;
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__extension__ unsigned long long int r9;
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__extension__ unsigned long long int r8;
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__extension__ unsigned long long int rax;
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__extension__ unsigned long long int rcx;
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__extension__ unsigned long long int rdx;
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__extension__ unsigned long long int rsi;
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__extension__ unsigned long long int rdi;
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__extension__ unsigned long long int orig_rax;
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__extension__ unsigned long long int rip;
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__extension__ unsigned long long int cs;
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__extension__ unsigned long long int eflags;
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__extension__ unsigned long long int rsp;
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__extension__ unsigned long long int ss;
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__extension__ unsigned long long int fs_base;
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__extension__ unsigned long long int gs_base;
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__extension__ unsigned long long int ds;
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__extension__ unsigned long long int es;
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__extension__ unsigned long long int fs;
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__extension__ unsigned long long int gs;
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};
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struct user
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{
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struct user_regs_struct regs;
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int u_fpvalid;
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struct user_fpregs_struct i387;
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__extension__ unsigned long long int u_tsize;
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__extension__ unsigned long long int u_dsize;
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__extension__ unsigned long long int u_ssize;
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__extension__ unsigned long long int start_code;
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__extension__ unsigned long long int start_stack;
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__extension__ long long int signal;
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int reserved;
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__extension__ union
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{
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struct user_regs_struct* u_ar0;
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__extension__ unsigned long long int __u_ar0_word;
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};
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__extension__ union
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{
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struct user_fpregs_struct* u_fpstate;
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__extension__ unsigned long long int __u_fpstate_word;
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};
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__extension__ unsigned long long int magic;
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char u_comm [32];
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__extension__ unsigned long long int u_debugreg [8];
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};
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#else
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/* These are the 32-bit x86 structures. */
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struct user_fpregs_struct
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{
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long int cwd;
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long int swd;
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long int twd;
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long int fip;
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long int fcs;
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long int foo;
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long int fos;
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long int st_space [20];
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};
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struct user_fpxregs_struct
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{
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unsigned short int cwd;
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unsigned short int swd;
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unsigned short int twd;
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unsigned short int fop;
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long int fip;
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long int fcs;
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long int foo;
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long int fos;
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long int mxcsr;
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long int reserved;
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long int st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */
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long int xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */
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long int padding[56];
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};
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struct user_regs_struct
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{
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long int ebx;
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long int ecx;
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long int edx;
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long int esi;
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long int edi;
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long int ebp;
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long int eax;
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long int xds;
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long int xes;
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long int xfs;
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long int xgs;
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long int orig_eax;
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long int eip;
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long int xcs;
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long int eflags;
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long int esp;
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long int xss;
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};
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struct user
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{
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struct user_regs_struct regs;
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int u_fpvalid;
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struct user_fpregs_struct i387;
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unsigned long int u_tsize;
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unsigned long int u_dsize;
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unsigned long int u_ssize;
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unsigned long int start_code;
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unsigned long int start_stack;
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long int signal;
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int reserved;
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struct user_regs_struct* u_ar0;
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struct user_fpregs_struct* u_fpstate;
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unsigned long int magic;
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char u_comm [32];
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int u_debugreg [8];
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};
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#endif /* __x86_64__ */
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#define PAGE_SHIFT 12
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#define PAGE_SIZE (1UL << PAGE_SHIFT)
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#define PAGE_MASK (~(PAGE_SIZE-1))
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#define NBPG PAGE_SIZE
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#define UPAGES 1
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#define HOST_TEXT_START_ADDR (u.start_code)
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#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
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#endif /* _SYS_USER_H */
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