1/* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle 7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc. 8 */ 9#ifndef _ASM_PTRACE_H 10#define _ASM_PTRACE_H 11 12/* 0 - 31 are integer registers, 32 - 63 are fp registers. */ 13#define FPR_BASE 32 14#define PC 64 15#define CAUSE 65 16#define BADVADDR 66 17#define MMHI 67 18#define MMLO 68 19#define FPC_CSR 69 20#define FPC_EIR 70 21#define DSP_BASE 71 /* 3 more hi / lo register pairs */ 22#define DSP_CONTROL 77 23#define ACX 78 24 25/* 26 * This struct defines the way the registers are stored on the stack during a 27 * system call/exception. As usual the registers k0/k1 aren't being saved. 28 */ 29struct pt_regs { 30#ifdef CONFIG_32BIT 31 /* Pad bytes for argument save space on the stack. */ 32 unsigned long pad0[6]; 33#endif 34 35 /* Saved main processor registers. */ 36 unsigned long regs[32]; 37 38 /* Saved special registers. */ 39 unsigned long cp0_status; 40 unsigned long hi; 41 unsigned long lo; 42#ifdef CONFIG_CPU_HAS_SMARTMIPS 43 unsigned long acx; 44#endif 45 unsigned long cp0_badvaddr; 46 unsigned long cp0_cause; 47 unsigned long cp0_epc; 48#ifdef CONFIG_MIPS_MT_SMTC 49 unsigned long cp0_tcstatus; 50#endif /* CONFIG_MIPS_MT_SMTC */ 51} __attribute__ ((aligned (8))); 52 53/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ 54#define PTRACE_GETREGS 12 55#define PTRACE_SETREGS 13 56#define PTRACE_GETFPREGS 14 57#define PTRACE_SETFPREGS 15 58/* #define PTRACE_GETFPXREGS 18 */ 59/* #define PTRACE_SETFPXREGS 19 */ 60 61#define PTRACE_OLDSETOPTIONS 21 62 63#define PTRACE_GET_THREAD_AREA 25 64#define PTRACE_SET_THREAD_AREA 26 65 66/* Calls to trace a 64bit program from a 32bit program. */ 67#define PTRACE_PEEKTEXT_3264 0xc0 68#define PTRACE_PEEKDATA_3264 0xc1 69#define PTRACE_POKETEXT_3264 0xc2 70#define PTRACE_POKEDATA_3264 0xc3 71#define PTRACE_GET_THREAD_AREA_3264 0xc4 72 73#ifdef __KERNEL__ 74 75#include <asm/isadep.h> 76 77/* 78 * Does the process account for user or for system time? 79 */ 80#define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER) 81 82#define instruction_pointer(regs) ((regs)->cp0_epc) 83#define profile_pc(regs) instruction_pointer(regs) 84 85#endif 86 87#endif /* _ASM_PTRACE_H */ 88