From a75869f0b2528079503d2e4dd2174142ab1df904 Mon Sep 17 00:00:00 2001
From: Elliott Hughes <enh@google.com>
Date: Tue, 20 May 2014 20:32:28 -0700
Subject: [PATCH] Hide __set_tls.

Bug: 11156955
Change-Id: If82c10ae412651361d09591017d1c3a411bd6f0b
---
 libc/arch-arm64/bionic/__set_tls.c  | 4 +++-
 libc/arch-x86/bionic/__set_tls.c    | 2 +-
 libc/arch-x86_64/bionic/__set_tls.c | 2 +-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/libc/arch-arm64/bionic/__set_tls.c b/libc/arch-arm64/bionic/__set_tls.c
index 4eb3ade6b..0d88d111d 100644
--- a/libc/arch-arm64/bionic/__set_tls.c
+++ b/libc/arch-arm64/bionic/__set_tls.c
@@ -26,6 +26,8 @@
  * SUCH DAMAGE.
  */
 
-void __set_tls(void* tls) {
+#include <sys/cdefs.h>
+
+__LIBC_HIDDEN__ void __set_tls(void* tls) {
   asm("msr tpidr_el0, %0" : : "r" (tls));
 }
diff --git a/libc/arch-x86/bionic/__set_tls.c b/libc/arch-x86/bionic/__set_tls.c
index 722ec6f6c..38ed3c9cf 100644
--- a/libc/arch-x86/bionic/__set_tls.c
+++ b/libc/arch-x86/bionic/__set_tls.c
@@ -57,7 +57,7 @@ __LIBC_HIDDEN__ void __init_user_desc(struct user_desc* result, bool allocate, v
   result->useable = 1;
 }
 
-int __set_tls(void* ptr) {
+__LIBC_HIDDEN__ int __set_tls(void* ptr) {
   struct user_desc tls_descriptor;
   __init_user_desc(&tls_descriptor, true, ptr);
 
diff --git a/libc/arch-x86_64/bionic/__set_tls.c b/libc/arch-x86_64/bionic/__set_tls.c
index cc7a5f454..68454444e 100644
--- a/libc/arch-x86_64/bionic/__set_tls.c
+++ b/libc/arch-x86_64/bionic/__set_tls.c
@@ -31,6 +31,6 @@
 
 extern int __arch_prctl(int, unsigned long);
 
-int __set_tls(void* ptr) {
+__LIBC_HIDDEN__ int __set_tls(void* ptr) {
   return __arch_prctl(ARCH_SET_FS, (uintptr_t) ptr);
 }