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 #ifndef __KERNEL__
  26 /*
  27  * This struct defines the way the registers are stored on the stack during a
  28  * system call/exception. As usual the registers k0/k1 aren't being saved.
  29  */
  30 struct pt_regs {
  31         /* Saved main processor registers. */
  32         unsigned long regs[32];
  33
  34         /* Saved special registers. */
  35         unsigned long cp0_status;
  36         unsigned long hi;
  37         unsigned long lo;
  38         unsigned long cp0_badvaddr;
  39         unsigned long cp0_cause;
  40         unsigned long cp0_epc;
  41 } __attribute__ ((aligned (8)));
  42 #endif /* __KERNEL__ */
  43
  44 /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
  45 #define PTRACE_GETREGS          12
  46 #define PTRACE_SETREGS          13
  47 #define PTRACE_GETFPREGS                14
  48 #define PTRACE_SETFPREGS                15
  49 /* #define PTRACE_GETFPXREGS            18 */
  50 /* #define PTRACE_SETFPXREGS            19 */
  51
  52 #define PTRACE_OLDSETOPTIONS    21
  53
  54 #define PTRACE_GET_THREAD_AREA  25
  55 #define PTRACE_SET_THREAD_AREA  26
  56
  57 /* Calls to trace a 64bit program from a 32bit program.  */
  58 #define PTRACE_PEEKTEXT_3264    0xc0
  59 #define PTRACE_PEEKDATA_3264    0xc1
  60 #define PTRACE_POKETEXT_3264    0xc2
  61 #define PTRACE_POKEDATA_3264    0xc3
  62 #define PTRACE_GET_THREAD_AREA_3264     0xc4
  63
  64 /* Read and write watchpoint registers.  */
  65 enum pt_watch_style {
  66         pt_watch_style_mips32,
  67         pt_watch_style_mips64
  68 };
  69 struct mips32_watch_regs {
  70         unsigned int watchlo[8];
  71         /* Lower 16 bits of watchhi. */
  72         unsigned short watchhi[8];
  73         /* Valid mask and I R W bits.
  74          * bit 0 -- 1 if W bit is usable.
  75          * bit 1 -- 1 if R bit is usable.
  76          * bit 2 -- 1 if I bit is usable.
  77          * bits 3 - 11 -- Valid watchhi mask bits.
  78          */
  79         unsigned short watch_masks[8];
  80         /* The number of valid watch register pairs.  */
  81         unsigned int num_valid;
  82 } __attribute__((aligned(8)));
  83
  84 struct mips64_watch_regs {
  85         unsigned long long watchlo[8];
  86         unsigned short watchhi[8];
  87         unsigned short watch_masks[8];
  88         unsigned int num_valid;
  89 } __attribute__((aligned(8)));
  90
  91 struct pt_watch_regs {
  92         enum pt_watch_style style;
  93         union {
  94                 struct mips32_watch_regs mips32;
  95                 struct mips64_watch_regs mips64;
  96         };
  97 };
  98
  99 #define PTRACE_GET_WATCH_REGS   0xd0
 100 #define PTRACE_SET_WATCH_REGS   0xd1
 101
 102
 103 #endif /* _UAPI_ASM_PTRACE_H */