1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * This file is subject to the terms and conditions of the GNU General Public 4 * License. See the file "COPYING" in the main directory of this archive 5 * for more details. 6 * 7 * Copyright (C) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle 8 * Copyright (C) 1999, 2000 Silicon Graphics, Inc. 9 */ 10 #ifndef _UAPI_ASM_PTRACE_H 11 #define _UAPI_ASM_PTRACE_H 12 13 #include <linux/types.h> 14 15 /* 0 - 31 are integer registers, 32 - 63 are fp registers. */ 16 #define FPR_BASE 32 17 #define PC 64 18 #define CAUSE 65 19 #define BADVADDR 66 20 #define MMHI 67 21 #define MMLO 68 22 #define FPC_CSR 69 23 #define FPC_EIR 70 24 #define DSP_BASE 71 /* 3 more hi / lo register pairs */ 25 #define DSP_CONTROL 77 26 #define ACX 78 27 28 /* 29 * This struct defines the registers as used by PTRACE_{GET,SET}REGS. The 30 * format is the same for both 32- and 64-bit processes. Registers for 32-bit 31 * processes are sign extended. 32 */ 33 #ifdef __KERNEL__ 34 struct user_pt_regs { 35 #else 36 struct pt_regs { 37 #endif 38 /* Saved main processor registers. */ 39 __u64 regs[32]; 40 41 /* Saved special registers. */ 42 __u64 lo; 43 __u64 hi; 44 __u64 cp0_epc; 45 __u64 cp0_badvaddr; 46 __u64 cp0_status; 47 __u64 cp0_cause; 48 } __attribute__ ((aligned (8))); 49 50 /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ 51 #define PTRACE_GETREGS 12 52 #define PTRACE_SETREGS 13 53 #define PTRACE_GETFPREGS 14 54 #define PTRACE_SETFPREGS 15 55 /* #define PTRACE_GETFPXREGS 18 */ 56 /* #define PTRACE_SETFPXREGS 19 */ 57 58 #define PTRACE_OLDSETOPTIONS 21 59 60 #define PTRACE_GET_THREAD_AREA 25 61 #define PTRACE_SET_THREAD_AREA 26 62 63 /* Calls to trace a 64bit program from a 32bit program. */ 64 #define PTRACE_PEEKTEXT_3264 0xc0 65 #define PTRACE_PEEKDATA_3264 0xc1 66 #define PTRACE_POKETEXT_3264 0xc2 67 #define PTRACE_POKEDATA_3264 0xc3 68 #define PTRACE_GET_THREAD_AREA_3264 0xc4 69 70 /* Read and write watchpoint registers. */ 71 enum pt_watch_style { 72 pt_watch_style_mips32, 73 pt_watch_style_mips64 74 }; 75 struct mips32_watch_regs { 76 unsigned int watchlo[8]; 77 /* Lower 16 bits of watchhi. */ 78 unsigned short watchhi[8]; 79 /* Valid mask and I R W bits. 80 * bit 0 -- 1 if W bit is usable. 81 * bit 1 -- 1 if R bit is usable. 82 * bit 2 -- 1 if I bit is usable. 83 * bits 3 - 11 -- Valid watchhi mask bits. 84 */ 85 unsigned short watch_masks[8]; 86 /* The number of valid watch register pairs. */ 87 unsigned int num_valid; 88 } __attribute__((aligned(8))); 89 90 struct mips64_watch_regs { 91 unsigned long long watchlo[8]; 92 unsigned short watchhi[8]; 93 unsigned short watch_masks[8]; 94 unsigned int num_valid; 95 } __attribute__((aligned(8))); 96 97 struct pt_watch_regs { 98 enum pt_watch_style style; 99 union { 100 struct mips32_watch_regs mips32; 101 struct mips64_watch_regs mips64; 102 }; 103 }; 104 105 #define PTRACE_GET_WATCH_REGS 0xd0 106 #define PTRACE_SET_WATCH_REGS 0xd1 107 108 109 #endif /* _UAPI_ASM_PTRACE_H */ 110