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