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__
  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 */