arch/x86/include/uapi/asm/ptrace.h

   1 #ifndef _UAPI_ASM_X86_PTRACE_H
   2 #define _UAPI_ASM_X86_PTRACE_H
   3
   4 #include <linux/compiler.h>     /* For __user */
   5 #include <asm/ptrace-abi.h>
   6 #include <asm/processor-flags.h>
   7
   8
   9 #ifndef __ASSEMBLY__
  10
  11 #ifdef __i386__
  12 /* this struct defines the way the registers are stored on the
  13    stack during a system call. */
  14
  15 #ifndef __KERNEL__
  16
  17 struct pt_regs {
  18         long ebx;
  19         long ecx;
  20         long edx;
  21         long esi;
  22         long edi;
  23         long ebp;
  24         long eax;
  25         int  xds;
  26         int  xes;
  27         int  xfs;
  28         int  xgs;
  29         long orig_eax;
  30         long eip;
  31         int  xcs;
  32         long eflags;
  33         long esp;
  34         int  xss;
  35 };
  36
  37 #endif /* __KERNEL__ */
  38
  39 #else /* __i386__ */
  40
  41 #ifndef __KERNEL__
  42
  43 struct pt_regs {
  44 /*
  45  * C ABI says these regs are callee-preserved. They aren't saved on kernel entry
  46  * unless syscall needs a complete, fully filled "struct pt_regs".
  47  */
  48         unsigned long r15;
  49         unsigned long r14;
  50         unsigned long r13;
  51         unsigned long r12;
  52         unsigned long rbp;
  53         unsigned long rbx;
  54 /* These regs are callee-clobbered. Always saved on kernel entry. */
  55         unsigned long r11;
  56         unsigned long r10;
  57         unsigned long r9;
  58         unsigned long r8;
  59         unsigned long rax;
  60         unsigned long rcx;
  61         unsigned long rdx;
  62         unsigned long rsi;
  63         unsigned long rdi;
  64 /*
  65  * On syscall entry, this is syscall#. On CPU exception, this is error code.
  66  * On hw interrupt, it's IRQ number:
  67  */
  68         unsigned long orig_rax;
  69 /* Return frame for iretq */
  70         unsigned long rip;
  71         unsigned long cs;
  72         unsigned long eflags;
  73         unsigned long rsp;
  74         unsigned long ss;
  75 /* top of stack page */
  76 };
  77
  78 #endif /* __KERNEL__ */
  79 #endif /* !__i386__ */
  80
  81
  82
  83 #endif /* !__ASSEMBLY__ */
  84
  85 #endif /* _UAPI_ASM_X86_PTRACE_H */