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 _UAPI_ASM_PTRACE_H 10 #define _UAPI_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 #ifndef __KERNEL__ 26 /* 27 * This struct defines the way the registers are stored on the stack during a 28 * system call/exception. As usual the registers k0/k1 aren't being saved. 29 */ 30 struct pt_regs { 31 /* Saved main processor registers. */ 32 unsigned long regs[32]; 33 34 /* Saved special registers. */ 35 unsigned long cp0_status; 36 unsigned long hi; 37 unsigned long lo; 38 unsigned long cp0_badvaddr; 39 unsigned long cp0_cause; 40 unsigned long cp0_epc; 41 } __attribute__ ((aligned (8))); 42 #endif /* __KERNEL__ */ 43 44 /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ 45 #define PTRACE_GETREGS 12 46 #define PTRACE_SETREGS 13 47 #define PTRACE_GETFPREGS 14 48 #define PTRACE_SETFPREGS 15 49 /* #define PTRACE_GETFPXREGS 18 */ 50 /* #define PTRACE_SETFPXREGS 19 */ 51 52 #define PTRACE_OLDSETOPTIONS 21 53 54 #define PTRACE_GET_THREAD_AREA 25 55 #define PTRACE_SET_THREAD_AREA 26 56 57 /* Calls to trace a 64bit program from a 32bit program. */ 58 #define PTRACE_PEEKTEXT_3264 0xc0 59 #define PTRACE_PEEKDATA_3264 0xc1 60 #define PTRACE_POKETEXT_3264 0xc2 61 #define PTRACE_POKEDATA_3264 0xc3 62 #define PTRACE_GET_THREAD_AREA_3264 0xc4 63 64 /* Read and write watchpoint registers. */ 65 enum pt_watch_style { 66 pt_watch_style_mips32, 67 pt_watch_style_mips64 68 }; 69 struct mips32_watch_regs { 70 unsigned int watchlo[8]; 71 /* Lower 16 bits of watchhi. */ 72 unsigned short watchhi[8]; 73 /* Valid mask and I R W bits. 74 * bit 0 -- 1 if W bit is usable. 75 * bit 1 -- 1 if R bit is usable. 76 * bit 2 -- 1 if I bit is usable. 77 * bits 3 - 11 -- Valid watchhi mask bits. 78 */ 79 unsigned short watch_masks[8]; 80 /* The number of valid watch register pairs. */ 81 unsigned int num_valid; 82 } __attribute__((aligned(8))); 83 84 struct mips64_watch_regs { 85 unsigned long long watchlo[8]; 86 unsigned short watchhi[8]; 87 unsigned short watch_masks[8]; 88 unsigned int num_valid; 89 } __attribute__((aligned(8))); 90 91 struct pt_watch_regs { 92 enum pt_watch_style style; 93 union { 94 struct mips32_watch_regs mips32; 95 struct mips64_watch_regs mips64; 96 }; 97 }; 98 99 #define PTRACE_GET_WATCH_REGS 0xd0 100 #define PTRACE_SET_WATCH_REGS 0xd1 101 102 103 #endif /* _UAPI_ASM_PTRACE_H */ 104