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 */ 29 struct 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