ptrace.h

  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__
 34struct user_pt_regs {
 35#else
 36struct 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.	 */
 71enum pt_watch_style {
 72	pt_watch_style_mips32,
 73	pt_watch_style_mips64
 74};
 75struct 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
 90struct 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
 97struct 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 */