include/asm-x86/ptrace-abi.h

   1 #ifndef _ASM_X86_PTRACE_ABI_H
   2 #define _ASM_X86_PTRACE_ABI_H
   3
   4 #ifdef __i386__
   5
   6 #define EBX 0
   7 #define ECX 1
   8 #define EDX 2
   9 #define ESI 3
  10 #define EDI 4
  11 #define EBP 5
  12 #define EAX 6
  13 #define DS 7
  14 #define ES 8
  15 #define FS 9
  16 #define GS 10
  17 #define ORIG_EAX 11
  18 #define EIP 12
  19 #define CS  13
  20 #define EFL 14
  21 #define UESP 15
  22 #define SS   16
  23 #define FRAME_SIZE 17
  24
  25 #else /* __i386__ */
  26
  27 #if defined(__ASSEMBLY__) || defined(__FRAME_OFFSETS)
  28 #define R15 0
  29 #define R14 8
  30 #define R13 16
  31 #define R12 24
  32 #define RBP 32
  33 #define RBX 40
  34 /* arguments: interrupts/non tracing syscalls only save upto here*/
  35 #define R11 48
  36 #define R10 56
  37 #define R9 64
  38 #define R8 72
  39 #define RAX 80
  40 #define RCX 88
  41 #define RDX 96
  42 #define RSI 104
  43 #define RDI 112
  44 #define ORIG_RAX 120       /* = ERROR */
  45 /* end of arguments */
  46 /* cpu exception frame or undefined in case of fast syscall. */
  47 #define RIP 128
  48 #define CS 136
  49 #define EFLAGS 144
  50 #define RSP 152
  51 #define SS 160
  52 #define ARGOFFSET R11
  53 #endif /* __ASSEMBLY__ */
  54
  55 /* top of stack page */
  56 #define FRAME_SIZE 168
  57
  58 #endif /* !__i386__ */
  59
  60 /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
  61 #define PTRACE_GETREGS            12
  62 #define PTRACE_SETREGS            13
  63 #define PTRACE_GETFPREGS          14
  64 #define PTRACE_SETFPREGS          15
  65 #define PTRACE_GETFPXREGS         18
  66 #define PTRACE_SETFPXREGS         19
  67
  68 #define PTRACE_OLDSETOPTIONS      21
  69
  70 /* only useful for access 32bit programs / kernels */
  71 #define PTRACE_GET_THREAD_AREA    25
  72 #define PTRACE_SET_THREAD_AREA    26
  73
  74 #ifdef __x86_64__
  75 # define PTRACE_ARCH_PRCTL        30
  76 #endif
  77
  78 #define PTRACE_SYSEMU             31
  79 #define PTRACE_SYSEMU_SINGLESTEP  32
  80
  81 #define PTRACE_SINGLEBLOCK      33      /* resume execution until next branch */
  82
  83 #ifdef CONFIG_X86_PTRACE_BTS
  84
  85 #ifndef __ASSEMBLY__
  86 #include <asm/types.h>
  87
  88 /* configuration/status structure used in PTRACE_BTS_CONFIG and
  89    PTRACE_BTS_STATUS commands.
  90 */
  91 struct ptrace_bts_config {
  92         /* requested or actual size of BTS buffer in bytes */
  93         __u32 size;
  94         /* bitmask of below flags */
  95         __u32 flags;
  96         /* buffer overflow signal */
  97         __u32 signal;
  98         /* actual size of bts_struct in bytes */
  99         __u32 bts_size;
 100 };
 101 #endif /* __ASSEMBLY__ */
 102
 103 #define PTRACE_BTS_O_TRACE      0x1 /* branch trace */
 104 #define PTRACE_BTS_O_SCHED      0x2 /* scheduling events w/ jiffies */
 105 #define PTRACE_BTS_O_SIGNAL     0x4 /* send SIG<signal> on buffer overflow
 106                                        instead of wrapping around */
 107 #define PTRACE_BTS_O_ALLOC      0x8 /* (re)allocate buffer */
 108
 109 #define PTRACE_BTS_CONFIG       40
 110 /* Configure branch trace recording.
 111    ADDR points to a struct ptrace_bts_config.
 112    DATA gives the size of that buffer.
 113    A new buffer is allocated, if requested in the flags.
 114    An overflow signal may only be requested for new buffers.
 115    Returns the number of bytes read.
 116 */
 117 #define PTRACE_BTS_STATUS       41
 118 /* Return the current configuration in a struct ptrace_bts_config
 119    pointed to by ADDR; DATA gives the size of that buffer.
 120    Returns the number of bytes written.
 121 */
 122 #define PTRACE_BTS_SIZE         42
 123 /* Return the number of available BTS records for draining.
 124    DATA and ADDR are ignored.
 125 */
 126 #define PTRACE_BTS_GET          43
 127 /* Get a single BTS record.
 128    DATA defines the index into the BTS array, where 0 is the newest
 129    entry, and higher indices refer to older entries.
 130    ADDR is pointing to struct bts_struct (see asm/ds.h).
 131 */
 132 #define PTRACE_BTS_CLEAR        44
 133 /* Clear the BTS buffer.
 134    DATA and ADDR are ignored.
 135 */
 136 #define PTRACE_BTS_DRAIN        45
 137 /* Read all available BTS records and clear the buffer.
 138    ADDR points to an array of struct bts_struct.
 139    DATA gives the size of that buffer.
 140    BTS records are read from oldest to newest.
 141    Returns number of BTS records drained.
 142 */
 143 #endif /* CONFIG_X86_PTRACE_BTS */
 144
 145 #endif