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