arch/x86/include/asm/ptrace.h

   1 #ifndef _I386_PTRACE_H
   2 #define _I386_PTRACE_H
   3
   4 #include <asm/types.h>
   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 /* this struct defines the way the registers are stored on the
  26    stack during a system call. */
  27
  28 struct pt_regs {
  29         long ebx;
  30         long ecx;
  31         long edx;
  32         long esi;
  33         long edi;
  34         long ebp;
  35         long eax;
  36         int  xds;
  37         int  xes;
  38         int  xfs;
  39         int  xgs;
  40         long orig_eax;
  41         long eip;
  42         int  xcs;
  43         long eflags;
  44         long esp;
  45         int  xss;
  46 }  __attribute__ ((packed));
  47
  48 struct irq_regs {
  49         /* Pushed by irq_common_entry */
  50         long ebx;
  51         long ecx;
  52         long edx;
  53         long esi;
  54         long edi;
  55         long ebp;
  56         long esp;
  57         long eax;
  58         long xds;
  59         long xes;
  60         long xfs;
  61         long xgs;
  62         long xss;
  63         /* Pushed by vector handler (irq_<num>) */
  64         long irq_id;
  65         /* Pushed by cpu in response to interrupt */
  66         long eip;
  67         long xcs;
  68         long eflags;
  69 }  __attribute__ ((packed));
  70
  71 /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
  72 #define PTRACE_GETREGS            12
  73 #define PTRACE_SETREGS            13
  74 #define PTRACE_GETFPREGS          14
  75 #define PTRACE_SETFPREGS          15
  76 #define PTRACE_GETFPXREGS         18
  77 #define PTRACE_SETFPXREGS         19
  78
  79 #define PTRACE_SETOPTIONS         21
  80
  81 /* options set using PTRACE_SETOPTIONS */
  82 #define PTRACE_O_TRACESYSGOOD     0x00000001
  83
  84 #ifdef __KERNEL__
  85 #define user_mode(regs) ((VM_MASK & (regs)->eflags) || (3 & (regs)->xcs))
  86 #define instruction_pointer(regs) ((regs)->eip)
  87 extern void show_regs(struct pt_regs *);
  88 #endif
  89
  90 #endif