3f623a5b27
Use the __u16/32/64 types we standardized on in ABI definitions - and which most of this header was already using. This will allow us to more obviously unify the compat header into the main header. No change in functionality. 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/1441438363-9999-6-git-send-email-mingo@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
86 lines
1.9 KiB
C
86 lines
1.9 KiB
C
#ifndef _ASM_X86_SIGCONTEXT32_H
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#define _ASM_X86_SIGCONTEXT32_H
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/* Signal context definitions for compat 32-bit programs: */
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#include <linux/types.h>
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#include <asm/sigcontext.h>
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/* 10-byte legacy floating point register: */
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struct _fpreg {
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__u16 significand[4];
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__u16 exponent;
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};
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/* 16-byte floating point register: */
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struct _fpxreg {
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__u16 significand[4];
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__u16 exponent;
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__u16 padding[3];
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};
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/* 16-byte XMM vector register: */
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struct _xmmreg {
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__u32 element[4];
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};
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#define X86_FXSR_MAGIC 0x0000
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/* FXSAVE frame: FSAVE frame with extensions */
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struct _fpstate_ia32 {
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/* Regular FPU environment: */
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__u32 cw;
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__u32 sw;
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__u32 tag; /* Not compatible with the 64-bit frame */
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__u32 ipoff;
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__u32 cssel;
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__u32 dataoff;
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__u32 datasel;
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struct _fpreg _st[8];
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__u16 status;
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__u16 magic; /* 0xffff: regular FPU data only */
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/* 0x0000: FXSR data */
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/* Extended FXSR FPU environment: */
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__u32 _fxsr_env[6];
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__u32 mxcsr;
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__u32 reserved;
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struct _fpxreg _fxsr_st[8];
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struct _xmmreg _xmm[8]; /* The first 8 XMM registers */
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__u32 padding[44]; /* The second 8 XMM registers plus padding */
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union {
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__u32 padding2[12];
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/* Might encode xstate extensions, see asm/sigcontext.h: */
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struct _fpx_sw_bytes sw_reserved;
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};
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};
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/* 32-bit compat sigcontext: */
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struct sigcontext_ia32 {
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__u16 gs, __gsh;
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__u16 fs, __fsh;
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__u16 es, __esh;
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__u16 ds, __dsh;
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__u32 di;
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__u32 si;
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__u32 bp;
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__u32 sp;
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__u32 bx;
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__u32 dx;
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__u32 cx;
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__u32 ax;
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__u32 trapno;
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__u32 err;
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__u32 ip;
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__u16 cs, __csh;
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__u32 flags;
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__u32 sp_at_signal;
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__u16 ss, __ssh;
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__u32 fpstate; /* Pointer to 'struct _fpstate_ia32' */
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__u32 oldmask;
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__u32 cr2;
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};
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#endif /* _ASM_X86_SIGCONTEXT32_H */
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