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__
  33 struct user_pt_regs {
  34 #else
  35 struct 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.  */
  70 enum pt_watch_style {
  71         pt_watch_style_mips32,
  72         pt_watch_style_mips64
  73 };
  74 struct 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
  89 struct 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
  96 struct 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 */