x86: signal: prepare to include from ia32_signal.c

Impact: cleanup, prepare to use from ia32_signal.c

Make struct sigframe_ia32 and rt_sigframe_ia32 visible to ia32_signal.c.
Signed-off-by: NHiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

arch/x86/include/asm/sigframe.h

@@ -4,7 +4,15 @@
 #define sigcontext_ia32		sigcontext
 #define _fpstate_ia32		_fpstate
 #define ucontext_ia32		ucontext
+#else /* !CONFIG_X86_32 */
+
+#ifdef CONFIG_IA32_EMULATION
+#include <asm/ia32.h>
+#endif /* CONFIG_IA32_EMULATION */
+
+#endif /* CONFIG_X86_32 */
 
+#if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
 struct sigframe_ia32 {
 	u32 pretcode;
 	int sig;
@@ -18,7 +26,11 @@ struct sigframe_ia32 {
 	 * legacy application accessing/modifying it.
 	 */
 	struct _fpstate_ia32 fpstate_unused;
+#ifdef CONFIG_IA32_EMULATION
+	unsigned int extramask[_COMPAT_NSIG_WORDS-1];
+#else /* !CONFIG_IA32_EMULATION */
 	unsigned long extramask[_NSIG_WORDS-1];
+#endif /* CONFIG_IA32_EMULATION */
 	char retcode[8];
 	/* fp state follows here */
 };
@@ -28,16 +40,22 @@ struct rt_sigframe_ia32 {
 	int sig;
 	u32 pinfo;
 	u32 puc;
+#ifdef CONFIG_IA32_EMULATION
+	compat_siginfo_t info;
+#else /* !CONFIG_IA32_EMULATION */
 	struct siginfo info;
+#endif /* CONFIG_IA32_EMULATION */
 	struct ucontext_ia32 uc;
 	char retcode[8];
 	/* fp state follows here */
 };
-#else /* !CONFIG_X86_32 */
+#endif /* defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) */
+
+#ifdef CONFIG_X86_64
 struct rt_sigframe {
 	char __user *pretcode;
 	struct ucontext uc;
 	struct siginfo info;
 	/* fp state follows here */
 };
-#endif /* CONFIG_X86_32 */
+#endif /* CONFIG_X86_64 */