LXR linux/arch/mips/include/uapi/asm/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 */
 110