6 files changed, 18 insertions, 6 deletions
diff --git a/arch/mips/ksigaction.h b/arch/mips/ksigaction.h
index 3127f7c0..63fdfab0 100644
--- a/arch/mips/ksigaction.h
+++ b/arch/mips/ksigaction.h
@@ -1,3 +1,5 @@
+#include <features.h>
+
 struct k_sigaction {
 	unsigned flags;
 	void (*handler)(int);
@@ -8,4 +10,4 @@ struct k_sigaction {
 	void (*restorer)();
 };
 
-void __restore(), __restore_rt();
+hidden void __restore(), __restore_rt();
diff --git a/arch/mips64/ksigaction.h b/arch/mips64/ksigaction.h
index 55ba18ea..c16e4731 100644
--- a/arch/mips64/ksigaction.h
+++ b/arch/mips64/ksigaction.h
@@ -1,3 +1,5 @@
+#include <features.h>
+
 struct k_sigaction {
 	unsigned flags;
 	void (*handler)(int);
@@ -5,4 +7,4 @@ struct k_sigaction {
 	void (*restorer)();
 };
 
-void __restore(), __restore_rt();
+hidden void __restore(), __restore_rt();
diff --git a/arch/mipsn32/ksigaction.h b/arch/mipsn32/ksigaction.h
index 9969e3b2..b565f1fc 100644
--- a/arch/mipsn32/ksigaction.h
+++ b/arch/mipsn32/ksigaction.h
@@ -1,3 +1,5 @@
+#include <features.h>
+
 struct k_sigaction {
 	unsigned flags;
 	void (*handler)(int);
@@ -5,4 +7,4 @@ struct k_sigaction {
 	void (*restorer)();
 };
 
-void __restore(), __restore_rt();
+hidden void __restore(), __restore_rt();
diff --git a/arch/sh/ksigaction.h b/arch/sh/ksigaction.h
index 0c652bea..714ae619 100644
--- a/arch/sh/ksigaction.h
+++ b/arch/sh/ksigaction.h
@@ -1,3 +1,5 @@
+#include <features.h>
+
 struct k_sigaction {
 	void (*handler)(int);
 	unsigned long flags;
@@ -5,4 +7,4 @@ struct k_sigaction {
 	unsigned mask[2];
 };
 
-extern unsigned char __restore[], __restore_rt[];
+extern hidden unsigned char __restore[], __restore_rt[];
diff --git a/arch/x32/ksigaction.h b/arch/x32/ksigaction.h
index 7743c5c6..c40e3568 100644
--- a/arch/x32/ksigaction.h
+++ b/arch/x32/ksigaction.h
@@ -1,3 +1,5 @@
+#include <features.h>
+
 struct k_sigaction {
 	void (*handler)(int);
 	unsigned long flags;
@@ -5,5 +7,5 @@ struct k_sigaction {
 	unsigned mask[2];
 };
 
-void __restore_rt();
+hidden void __restore_rt();
 #define __restore __restore_rt
diff --git a/arch/x86_64/ksigaction.h b/arch/x86_64/ksigaction.h
index 7743c5c6..c40e3568 100644
--- a/arch/x86_64/ksigaction.h
+++ b/arch/x86_64/ksigaction.h
@@ -1,3 +1,5 @@
+#include <features.h>
+
 struct k_sigaction {
 	void (*handler)(int);
 	unsigned long flags;
@@ -5,5 +7,5 @@ struct k_sigaction {
 	unsigned mask[2];
 };
 
-void __restore_rt();
+hidden void __restore_rt();
 #define __restore __restore_rt