include/asm-x86_64/ptrace.h

   1 #ifndef _X86_64_PTRACE_H
   2 #define _X86_64_PTRACE_H
   3
   4 #if defined(__ASSEMBLY__) || defined(__FRAME_OFFSETS)
   5 #define R15 0
   6 #define R14 8
   7 #define R13 16
   8 #define R12 24
   9 #define RBP 36
  10 #define RBX 40
  11 /* arguments: interrupts/non tracing syscalls only save upto here*/
  12 #define R11 48
  13 #define R10 56
  14 #define R9 64
  15 #define R8 72
  16 #define RAX 80
  17 #define RCX 88
  18 #define RDX 96
  19 #define RSI 104
  20 #define RDI 112
  21 #define ORIG_RAX 120       /* = ERROR */
  22 /* end of arguments */
  23 /* cpu exception frame or undefined in case of fast syscall. */
  24 #define RIP 128
  25 #define CS 136
  26 #define EFLAGS 144
  27 #define RSP 152
  28 #define SS 160
  29 #define ARGOFFSET R11
  30 #endif /* __ASSEMBLY__ */
  31
  32 /* top of stack page */
  33 #define FRAME_SIZE 168
  34
  35 #define PTRACE_OLDSETOPTIONS         21
  36
  37 /* Dummy values for ptrace */
  38 #define FS 1000
  39 #define GS 1008
  40
  41 #ifndef __ASSEMBLY__
  42
  43 struct pt_regs {
  44         unsigned long r15;
  45         unsigned long r14;
  46         unsigned long r13;
  47         unsigned long r12;
  48         unsigned long rbp;
  49         unsigned long rbx;
  50 /* arguments: non interrupts/non tracing syscalls only save upto here*/
  51         unsigned long r11;
  52         unsigned long r10;
  53         unsigned long r9;
  54         unsigned long r8;
  55         unsigned long rax;
  56         unsigned long rcx;
  57         unsigned long rdx;
  58         unsigned long rsi;
  59         unsigned long rdi;
  60         unsigned long orig_rax;
  61 /* end of arguments */
  62 /* cpu exception frame or undefined */
  63         unsigned long rip;
  64         unsigned long cs;
  65         unsigned long eflags;
  66         unsigned long rsp;
  67         unsigned long ss;
  68 /* top of stack page */
  69 };
  70
  71 #endif
  72
  73 /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
  74 #define PTRACE_GETREGS            12
  75 #define PTRACE_SETREGS            13
  76 #define PTRACE_GETFPREGS          14
  77 #define PTRACE_SETFPREGS          15
  78 #define PTRACE_GETFPXREGS         18
  79 #define PTRACE_SETFPXREGS         19
  80
  81 #define PTRACE_GET_THREAD_AREA    25
  82 #define PTRACE_SET_THREAD_AREA    26
  83
  84
  85 #if defined(__KERNEL__) && !defined(__ASSEMBLY__)
  86 #define user_mode(regs) (!!((regs)->cs & 3))
  87 #define instruction_pointer(regs) ((regs)->rip)
  88 void signal_fault(struct pt_regs *regs, void *frame, char *where);
  89
  90 enum {
  91         EF_CF   = 0x00000001,
  92         EF_PF   = 0x00000004,
  93         EF_AF   = 0x00000010,
  94         EF_ZF   = 0x00000040,
  95         EF_SF   = 0x00000080,
  96         EF_TF   = 0x00000100,
  97         EF_IE   = 0x00000200,
  98         EF_DF   = 0x00000400,
  99         EF_OF   = 0x00000800,
 100         EF_IOPL = 0x00003000,
 101         EF_IOPL_RING0 = 0x00000000,
 102         EF_IOPL_RING1 = 0x00001000,
 103         EF_IOPL_RING2 = 0x00002000,
 104         EF_NT   = 0x00004000,   /* nested task */
 105         EF_RF   = 0x00010000,   /* resume */
 106         EF_VM   = 0x00020000,   /* virtual mode */
 107         EF_AC   = 0x00040000,   /* alignment */
 108         EF_VIF  = 0x00080000,   /* virtual interrupt */
 109         EF_VIP  = 0x00100000,   /* virtual interrupt pending */
 110         EF_ID   = 0x00200000,   /* id */
 111 };
 112
 113 #endif
 114
 115 #endif