linux/arch/x86/include/uapi/asm/sigcontext32.h
Ingo Molnar 337a167d1a x86/headers: Unify register type definitions between 32-bit compat and i386
The following sigcontext related types were duplicated across
native 32-bit and compat 32-bit headers:

  struct _fpreg;
  struct _fpxreg;
  struct _xmmreg;

  X86_FXSR_MAGIC

Unify them.

Acked-by: Mikko Rapeli <mikko.rapeli@iki.fi>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/1441438363-9999-7-git-send-email-mingo@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-09-08 10:03:56 +02:00

64 lines
1.6 KiB
C

#ifndef _ASM_X86_SIGCONTEXT32_H
#define _ASM_X86_SIGCONTEXT32_H
/* Signal context definitions for compat 32-bit programs: */
#include <asm/sigcontext.h>
/* FXSAVE frame: FSAVE frame with extensions */
struct _fpstate_ia32 {
/* Regular FPU environment: */
__u32 cw;
__u32 sw;
__u32 tag; /* Not compatible with the 64-bit frame */
__u32 ipoff;
__u32 cssel;
__u32 dataoff;
__u32 datasel;
struct _fpreg _st[8];
__u16 status;
__u16 magic; /* 0xffff: regular FPU data only */
/* 0x0000: FXSR data */
/* Extended FXSR FPU environment: */
__u32 _fxsr_env[6];
__u32 mxcsr;
__u32 reserved;
struct _fpxreg _fxsr_st[8];
struct _xmmreg _xmm[8]; /* The first 8 XMM registers */
__u32 padding[44]; /* The second 8 XMM registers plus padding */
union {
__u32 padding2[12];
/* Might encode xstate extensions, see asm/sigcontext.h: */
struct _fpx_sw_bytes sw_reserved;
};
};
/* 32-bit compat sigcontext: */
struct sigcontext_ia32 {
__u16 gs, __gsh;
__u16 fs, __fsh;
__u16 es, __esh;
__u16 ds, __dsh;
__u32 di;
__u32 si;
__u32 bp;
__u32 sp;
__u32 bx;
__u32 dx;
__u32 cx;
__u32 ax;
__u32 trapno;
__u32 err;
__u32 ip;
__u16 cs, __csh;
__u32 flags;
__u32 sp_at_signal;
__u16 ss, __ssh;
__u32 fpstate; /* Pointer to 'struct _fpstate_ia32' */
__u32 oldmask;
__u32 cr2;
};
#endif /* _ASM_X86_SIGCONTEXT32_H */