x86: use generic register names in struct sigcontext

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>
diff --git a/include/asm-x86/sigcontext32.h b/include/asm-x86/sigcontext32.h
index 3d65703..6ffab4f 100644
--- a/include/asm-x86/sigcontext32.h
+++ b/include/asm-x86/sigcontext32.h
@@ -48,20 +48,20 @@
        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 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 eip;
+       unsigned int ip;
        unsigned short cs, __csh;
-       unsigned int eflags;
-       unsigned int esp_at_signal;
+       unsigned int flags;
+       unsigned int sp_at_signal;
        unsigned short ss, __ssh;
        unsigned int fpstate;		/* really (struct _fpstate_ia32 *) */
        unsigned int oldmask;