patch-1.3.91 linux/include/asm-i386/sigcontext.h
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- Lines: 41
- Date:
Wed Apr 17 12:23:31 1996
- Orig file:
v1.3.90/linux/include/asm-i386/sigcontext.h
- Orig date:
Thu Jul 20 09:13:26 1995
diff -u --recursive --new-file v1.3.90/linux/include/asm-i386/sigcontext.h linux/include/asm-i386/sigcontext.h
@@ -1,6 +1,31 @@
#ifndef _ASMi386_SIGCONTEXT_H
#define _ASMi386_SIGCONTEXT_H
+/*
+ * As documented in the iBCS2 standard..
+ *
+ * The first part of "struct _fpstate" is just the
+ * normal i387 hardware setup, the extra "status"
+ * word is used to save the coprocessor status word
+ * before entering the handler.
+ */
+struct _fpreg {
+ unsigned short significand[4];
+ unsigned short exponent;
+};
+
+struct _fpstate {
+ unsigned long cw,
+ sw,
+ tag,
+ ipoff,
+ cssel,
+ dataoff,
+ datasel;
+ struct _fpreg _st[8];
+ unsigned long status;
+};
+
struct sigcontext_struct {
unsigned short gs, __gsh;
unsigned short fs, __fsh;
@@ -21,7 +46,7 @@
unsigned long eflags;
unsigned long esp_at_signal;
unsigned short ss, __ssh;
- unsigned long i387;
+ struct _fpstate * fpstate;
unsigned long oldmask;
unsigned long cr2;
};
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