LXR uboot/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
  28struct 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
  48struct 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        union {
  67                struct {
  68                        long eip;
  69                        long xcs;
  70                        long eflags;
  71                } ctx1;
  72                struct {
  73                        long err;
  74                        long eip;
  75                        long xcs;
  76                        long eflags;
  77                } ctx2;
  78        } context;
  79}  __attribute__ ((packed));
  80
  81/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
  82#define PTRACE_GETREGS            12
  83#define PTRACE_SETREGS            13
  84#define PTRACE_GETFPREGS          14
  85#define PTRACE_SETFPREGS          15
  86#define PTRACE_GETFPXREGS         18
  87#define PTRACE_SETFPXREGS         19
  88
  89#define PTRACE_SETOPTIONS         21
  90
  91/* options set using PTRACE_SETOPTIONS */
  92#define PTRACE_O_TRACESYSGOOD     0x00000001
  93
  94#ifdef __KERNEL__
  95#define user_mode(regs) ((VM_MASK & (regs)->eflags) || (3 & (regs)->xcs))
  96#define instruction_pointer(regs) ((regs)->eip)
  97extern void show_regs(struct pt_regs *);
  98#endif
  99
 100#endif
 101