arch/x86/include/asm/sigcontext.h

   1 #ifndef _ASM_X86_SIGCONTEXT_H
   2 #define _ASM_X86_SIGCONTEXT_H
   3
   4 #include <uapi/asm/sigcontext.h>
   5
   6 #ifdef __i386__
   7 struct sigcontext {
   8         unsigned short gs, __gsh;
   9         unsigned short fs, __fsh;
  10         unsigned short es, __esh;
  11         unsigned short ds, __dsh;
  12         unsigned long di;
  13         unsigned long si;
  14         unsigned long bp;
  15         unsigned long sp;
  16         unsigned long bx;
  17         unsigned long dx;
  18         unsigned long cx;
  19         unsigned long ax;
  20         unsigned long trapno;
  21         unsigned long err;
  22         unsigned long ip;
  23         unsigned short cs, __csh;
  24         unsigned long flags;
  25         unsigned long sp_at_signal;
  26         unsigned short ss, __ssh;
  27
  28         /*
  29          * fpstate is really (struct _fpstate *) or (struct _xstate *)
  30          * depending on the FP_XSTATE_MAGIC1 encoded in the SW reserved
  31          * bytes of (struct _fpstate) and FP_XSTATE_MAGIC2 present at the end
  32          * of extended memory layout. See comments at the definition of
  33          * (struct _fpx_sw_bytes)
  34          */
  35         void __user *fpstate;           /* zero when no FPU/extended context */
  36         unsigned long oldmask;
  37         unsigned long cr2;
  38 };
  39 #else /* __i386__ */
  40 struct sigcontext {
  41         unsigned long r8;
  42         unsigned long r9;
  43         unsigned long r10;
  44         unsigned long r11;
  45         unsigned long r12;
  46         unsigned long r13;
  47         unsigned long r14;
  48         unsigned long r15;
  49         unsigned long di;
  50         unsigned long si;
  51         unsigned long bp;
  52         unsigned long bx;
  53         unsigned long dx;
  54         unsigned long ax;
  55         unsigned long cx;
  56         unsigned long sp;
  57         unsigned long ip;
  58         unsigned long flags;
  59         unsigned short cs;
  60         unsigned short __pad2;  /* Was called gs, but was always zero. */
  61         unsigned short __pad1;  /* Was called fs, but was always zero. */
  62         unsigned short ss;
  63         unsigned long err;
  64         unsigned long trapno;
  65         unsigned long oldmask;
  66         unsigned long cr2;
  67
  68         /*
  69          * fpstate is really (struct _fpstate *) or (struct _xstate *)
  70          * depending on the FP_XSTATE_MAGIC1 encoded in the SW reserved
  71          * bytes of (struct _fpstate) and FP_XSTATE_MAGIC2 present at the end
  72          * of extended memory layout. See comments at the definition of
  73          * (struct _fpx_sw_bytes)
  74          */
  75         void __user *fpstate;           /* zero when no FPU/extended context */
  76         unsigned long reserved1[8];
  77 };
  78 #endif /* !__i386__ */
  79 #endif /* _ASM_X86_SIGCONTEXT_H */