include/asm-i386/ptrace.h

   1 #ifndef _I386_PTRACE_H
   2 #define _I386_PTRACE_H
   3
   4 #define EBX 0
   5 #define ECX 1
   6 #define EDX 2
   7 #define ESI 3
   8 #define EDI 4
   9 #define EBP 5
  10 #define EAX 6
  11 #define DS 7
  12 #define ES 8
  13 #define FS 9
  14 #define GS 10
  15 #define ORIG_EAX 11
  16 #define EIP 12
  17 #define CS  13
  18 #define EFL 14
  19 #define UESP 15
  20 #define SS   16
  21 #define FRAME_SIZE 17
  22
  23 /* this struct defines the way the registers are stored on the
  24    stack during a system call. */
  25
  26 struct pt_regs {
  27         long ebx;
  28         long ecx;
  29         long edx;
  30         long esi;
  31         long edi;
  32         long ebp;
  33         long eax;
  34         int  xds;
  35         int  xes;
  36         int  xfs;
  37         int  xgs;
  38         long orig_eax;
  39         long eip;
  40         int  xcs;
  41         long eflags;
  42         long esp;
  43         int  xss;
  44 }  __attribute__ ((packed));
  45
  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_SETOPTIONS         21
  56
  57 /* options set using PTRACE_SETOPTIONS */
  58 #define PTRACE_O_TRACESYSGOOD     0x00000001
  59
  60 #ifdef __KERNEL__
  61 #define user_mode(regs) ((VM_MASK & (regs)->eflags) || (3 & (regs)->xcs))
  62 #define instruction_pointer(regs) ((regs)->eip)
  63 extern void show_regs(struct pt_regs *);
  64 #endif
  65
  66 #endif