| /* Copyright (C) 2000,2008 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_psw_struct |
| { |
| unsigned long mask; |
| unsigned long addr; |
| }; |
| |
| struct _user_fpregs_struct |
| { |
| unsigned int fpc; |
| double fprs[16]; |
| }; |
| |
| struct _user_per_struct |
| { |
| unsigned long control_regs[3]; |
| unsigned single_step : 1; |
| unsigned instruction_fetch : 1; |
| unsigned : 30; |
| unsigned long starting_addr; |
| unsigned long ending_addr; |
| unsigned short perc_atmid; |
| unsigned long address; |
| unsigned char access_id; |
| }; |
| |
| struct _user_regs_struct |
| { |
| struct _user_psw_struct psw; /* Program status word. */ |
| unsigned long gprs[16]; /* General purpose registers. */ |
| unsigned int acrs[16]; /* Access registers. */ |
| unsigned long orig_gpr2; /* Original gpr2. */ |
| struct _user_fpregs_struct fp_regs; /* Floating point registers. */ |
| struct _user_per_struct per_info; /* Hardware tracing registers. */ |
| unsigned long ieee_instruction_pointer; /* Always 0. */ |
| }; |
| |
| struct user { |
| struct _user_regs_struct regs; /* User registers. */ |
| 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 address of text. */ |
| unsigned long start_stack; /* Starting address of stack area. */ |
| long int signal; /* Signal causing the core dump. */ |
| struct _user_regs_struct *u_ar0; /* Help gdb find registers. */ |
| unsigned long magic; /* Identifies a core file. */ |
| char u_comm[32]; /* User command naem. */ |
| }; |
| |
| #define PAGE_SHIFT 12 |
| #define PAGE_SIZE (1UL << PAGE_SHIFT) |
| #define PAGE_MASK (~(PAGE_SIZE-1)) |
| #define NBPG PAGE_SIZE |
| #define UPAGES 1 |
| #define HOST_TEXT_START_ADDR (u.start_code) |
| #define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG) |
| |
| #endif /* _SYS_USER_H */ |