742fa54a62
Switch struct sigcontext (defined in <asm/sigcontext*.h>) to using register names withut e- or r-prefixes for both 32- and 64-bit x86. This is intended as a preliminary step in unifying this code between architectures. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
71 lines
1.5 KiB
C
71 lines
1.5 KiB
C
#ifndef _SIGCONTEXT32_H
|
|
#define _SIGCONTEXT32_H 1
|
|
|
|
/* signal context for 32bit programs. */
|
|
|
|
#define X86_FXSR_MAGIC 0x0000
|
|
|
|
struct _fpreg {
|
|
unsigned short significand[4];
|
|
unsigned short exponent;
|
|
};
|
|
|
|
struct _fpxreg {
|
|
unsigned short significand[4];
|
|
unsigned short exponent;
|
|
unsigned short padding[3];
|
|
};
|
|
|
|
struct _xmmreg {
|
|
__u32 element[4];
|
|
};
|
|
|
|
/* FSAVE frame with extensions */
|
|
struct _fpstate_ia32 {
|
|
/* Regular FPU environment */
|
|
__u32 cw;
|
|
__u32 sw;
|
|
__u32 tag; /* not compatible to 64bit twd */
|
|
__u32 ipoff;
|
|
__u32 cssel;
|
|
__u32 dataoff;
|
|
__u32 datasel;
|
|
struct _fpreg _st[8];
|
|
unsigned short status;
|
|
unsigned short magic; /* 0xffff = regular FPU data only */
|
|
|
|
/* FXSR FPU environment */
|
|
__u32 _fxsr_env[6];
|
|
__u32 mxcsr;
|
|
__u32 reserved;
|
|
struct _fpxreg _fxsr_st[8];
|
|
struct _xmmreg _xmm[8]; /* It's actually 16 */
|
|
__u32 padding[56];
|
|
};
|
|
|
|
struct sigcontext_ia32 {
|
|
unsigned short gs, __gsh;
|
|
unsigned short fs, __fsh;
|
|
unsigned short es, __esh;
|
|
unsigned short ds, __dsh;
|
|
unsigned int di;
|
|
unsigned int si;
|
|
unsigned int bp;
|
|
unsigned int sp;
|
|
unsigned int bx;
|
|
unsigned int dx;
|
|
unsigned int cx;
|
|
unsigned int ax;
|
|
unsigned int trapno;
|
|
unsigned int err;
|
|
unsigned int ip;
|
|
unsigned short cs, __csh;
|
|
unsigned int flags;
|
|
unsigned int sp_at_signal;
|
|
unsigned short ss, __ssh;
|
|
unsigned int fpstate; /* really (struct _fpstate_ia32 *) */
|
|
unsigned int oldmask;
|
|
unsigned int cr2;
|
|
};
|
|
|
|
#endif
|