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 /* 26 * This struct defines the registers as used by PTRACE_{GET,SET}REGS. The 27 * format is the same for both 32- and 64-bit processes. Registers for 32-bit 28 * processes are sign extended. 29 */ 30 #ifdef __KERNEL__ 31 struct user_pt_regs { 32 #else 33 struct pt_regs { 34 #endif 35 /* Saved main processor registers. */ 36 __u64 regs[32]; 37 38 /* Saved special registers. */ 39 __u64 lo; 40 __u64 hi; 41 __u64 cp0_epc; 42 __u64 cp0_badvaddr; 43 __u64 cp0_status; 44 __u64 cp0_cause; 45 } __attribute__ ((aligned (8))); 46 47 /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ 48 #define PTRACE_GETREGS 12 49 #define PTRACE_SETREGS 13 50 #define PTRACE_GETFPREGS 14 51 #define PTRACE_SETFPREGS 15 52 /* #define PTRACE_GETFPXREGS 18 */ 53 /* #define PTRACE_SETFPXREGS 19 */ 54 55 #define PTRACE_OLDSETOPTIONS 21 56 57 #define PTRACE_GET_THREAD_AREA 25 58 #define PTRACE_SET_THREAD_AREA 26 59 60 /* Calls to trace a 64bit program from a 32bit program. */ 61 #define PTRACE_PEEKTEXT_3264 0xc0 62 #define PTRACE_PEEKDATA_3264 0xc1 63 #define PTRACE_POKETEXT_3264 0xc2 64 #define PTRACE_POKEDATA_3264 0xc3 65 #define PTRACE_GET_THREAD_AREA_3264 0xc4 66 67 /* Read and write watchpoint registers. */ 68 enum pt_watch_style { 69 pt_watch_style_mips32, 70 pt_watch_style_mips64 71 }; 72 struct mips32_watch_regs { 73 unsigned int watchlo[8]; 74 /* Lower 16 bits of watchhi. */ 75 unsigned short watchhi[8]; 76 /* Valid mask and I R W bits. 77 * bit 0 -- 1 if W bit is usable. 78 * bit 1 -- 1 if R bit is usable. 79 * bit 2 -- 1 if I bit is usable. 80 * bits 3 - 11 -- Valid watchhi mask bits. 81 */ 82 unsigned short watch_masks[8]; 83 /* The number of valid watch register pairs. */ 84 unsigned int num_valid; 85 } __attribute__((aligned(8))); 86 87 struct mips64_watch_regs { 88 unsigned long long watchlo[8]; 89 unsigned short watchhi[8]; 90 unsigned short watch_masks[8]; 91 unsigned int num_valid; 92 } __attribute__((aligned(8))); 93 94 struct pt_watch_regs { 95 enum pt_watch_style style; 96 union { 97 struct mips32_watch_regs mips32; 98 struct mips64_watch_regs mips64; 99 }; 100 }; 101 102 #define PTRACE_GET_WATCH_REGS 0xd0 103 #define PTRACE_SET_WATCH_REGS 0xd1 104 105 106 #endif /* _UAPI_ASM_PTRACE_H */ 107