patch-2.4.20 linux-2.4.20/include/asm-x86_64/sigcontext32.h

• Lines: 72
• Date: Thu Nov 28 15:53:15 2002
• Orig file: linux-2.4.19/include/asm-x86_64/sigcontext32.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.19/include/asm-x86_64/sigcontext32.h linux-2.4.20/include/asm-x86_64/sigcontext32.h
@@ -0,0 +1,71 @@
+#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 edi;
+       unsigned int esi;
+       unsigned int ebp;
+       unsigned int esp;
+       unsigned int ebx;
+       unsigned int edx;
+       unsigned int ecx;
+       unsigned int eax;
+       unsigned int trapno;
+       unsigned int err;
+       unsigned int eip;
+       unsigned short cs, __csh;
+       unsigned int eflags;
+       unsigned int esp_at_signal;
+       unsigned short ss, __ssh;
+       unsigned int fpstate;		/* really (struct _fpstate_ia32 *) */
+       unsigned int oldmask;
+       unsigned int cr2;
+};
+
+#endif