LXR linux/arch/mips/include/uapi/asm/ptrace.h

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