diff options
Diffstat (limited to 'kernel/arch/x86/include/asm/sigcontext.h')
| -rw-r--r-- | kernel/arch/x86/include/asm/sigcontext.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/kernel/arch/x86/include/asm/sigcontext.h b/kernel/arch/x86/include/asm/sigcontext.h new file mode 100644 index 000000000..6fe6b182c --- /dev/null +++ b/kernel/arch/x86/include/asm/sigcontext.h @@ -0,0 +1,79 @@ +#ifndef _ASM_X86_SIGCONTEXT_H +#define _ASM_X86_SIGCONTEXT_H + +#include <uapi/asm/sigcontext.h> + +#ifdef __i386__ +struct sigcontext { + unsigned short gs, __gsh; + unsigned short fs, __fsh; + unsigned short es, __esh; + unsigned short ds, __dsh; + unsigned long di; + unsigned long si; + unsigned long bp; + unsigned long sp; + unsigned long bx; + unsigned long dx; + unsigned long cx; + unsigned long ax; + unsigned long trapno; + unsigned long err; + unsigned long ip; + unsigned short cs, __csh; + unsigned long flags; + unsigned long sp_at_signal; + unsigned short ss, __ssh; + + /* + * fpstate is really (struct _fpstate *) or (struct _xstate *) + * depending on the FP_XSTATE_MAGIC1 encoded in the SW reserved + * bytes of (struct _fpstate) and FP_XSTATE_MAGIC2 present at the end + * of extended memory layout. See comments at the definition of + * (struct _fpx_sw_bytes) + */ + void __user *fpstate; /* zero when no FPU/extended context */ + unsigned long oldmask; + unsigned long cr2; +}; +#else /* __i386__ */ +struct sigcontext { + unsigned long r8; + unsigned long r9; + unsigned long r10; + unsigned long r11; + unsigned long r12; + unsigned long r13; + unsigned long r14; + unsigned long r15; + unsigned long di; + unsigned long si; + unsigned long bp; + unsigned long bx; + unsigned long dx; + unsigned long ax; + unsigned long cx; + unsigned long sp; + unsigned long ip; + unsigned long flags; + unsigned short cs; + unsigned short __pad2; /* Was called gs, but was always zero. */ + unsigned short __pad1; /* Was called fs, but was always zero. */ + unsigned short ss; + unsigned long err; + unsigned long trapno; + unsigned long oldmask; + unsigned long cr2; + + /* + * fpstate is really (struct _fpstate *) or (struct _xstate *) + * depending on the FP_XSTATE_MAGIC1 encoded in the SW reserved + * bytes of (struct _fpstate) and FP_XSTATE_MAGIC2 present at the end + * of extended memory layout. See comments at the definition of + * (struct _fpx_sw_bytes) + */ + void __user *fpstate; /* zero when no FPU/extended context */ + unsigned long reserved1[8]; +}; +#endif /* !__i386__ */ +#endif /* _ASM_X86_SIGCONTEXT_H */ |