linux-kernel - [PATCH 4/6] x86: signal: prepare to include from ia32

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Date:	Wed, 17 Dec 2008 18:51:08 -0800
From:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 4/6] x86: signal: prepare to include from ia32_signal.c

From: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>

Impact: prepare to use from ia32_signal.c

Make struct sigframe_ia32 and rt_sigframe_ia32 visible to ia32_signal.c.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
---
 arch/x86/include/asm/sigframe.h |   22 ++++++++++++++++++++--
 1 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/sigframe.h b/arch/x86/include/asm/sigframe.h
index 6718ed0..491a087 100644
--- a/arch/x86/include/asm/sigframe.h
+++ b/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 */
-- 
1.6.0.4

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