x32: Export setup/restore_sigcontext from signal.c

Export setup_sigcontext() and restore_sigcontext() from signal.c, so we can use the 64-bit versions verbatim for x32. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
git-mirror · Feb 20, 2012 · 8513942 · 8513942
1 parent f28f0c2
commit 8513942
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Showing 2 changed files with 9 additions and 6 deletions.
diff --git a/arch/x86/include/asm/sighandling.h b/arch/x86/include/asm/sighandling.h
@@ -16,4 +16,9 @@
 
 void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
 
+int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
+		       unsigned long *pax);
+int setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
+		     struct pt_regs *regs, unsigned long mask);
+
 #endif /* _ASM_X86_SIGHANDLING_H */
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
@@ -60,9 +60,8 @@
 	regs->seg = GET_SEG(seg) | 3;			\
 } while (0)
 
-static int
-restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
-		   unsigned long *pax)
+int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
+		       unsigned long *pax)
 {
 	void __user *buf;
 	unsigned int tmpflags;
@@ -117,9 +116,8 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
 	return err;
 }
 
-static int
-setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
-		 struct pt_regs *regs, unsigned long mask)
+int setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
+		     struct pt_regs *regs, unsigned long mask)
 {
 	int err = 0;