user.h
上传用户:szlgq88
上传日期:2009-04-28
资源大小:48287k
文件大小:2k
- /* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #ifndef _SYS_USER_H
- #define _SYS_USER_H 1
- /* The whole purpose of this file is for GDB and GDB only. Don't read
- too much into it. Don't use it for anything other than GDB unless
- you know what you are doing. */
- struct user_fpregs
- {
- struct fp_reg
- {
- unsigned int sign1:1;
- unsigned int unused:15;
- unsigned int sign2:1;
- unsigned int exponent:14;
- unsigned int j:1;
- unsigned int mantissa1:31;
- unsigned int mantissa0:32;
- } fpregs[8];
- unsigned int fpsr:32;
- unsigned int fpcr:32;
- unsigned char ftype[8];
- unsigned int init_flag;
- };
- struct user_regs
- {
- unsigned long int uregs[18];
- };
- struct user
- {
- struct user_regs regs; /* General registers */
- int u_fpvalid; /* True if math co-processor being used. */
- unsigned long int u_tsize; /* Text segment size (pages). */
- unsigned long int u_dsize; /* Data segment size (pages). */
- unsigned long int u_ssize; /* Stack segment size (pages). */
- unsigned long start_code; /* Starting virtual address of text. */
- unsigned long start_stack; /* Starting virtual address of stack. */
- long int signal; /* Signal that caused the core dump. */
- int reserved; /* No longer used */
- struct user_regs *u_ar0; /* help gdb to find the general registers. */
- unsigned long magic; /* uniquely identify a core file */
- char u_comm[32]; /* User command that was responsible */
- int u_debugreg[8];
- struct user_fpregs u_fp; /* Floating point registers */
- struct user_fpregs *u_fp0; /* help gdb to find the FP registers. */
- };
- #endif /* sys/user.h */