From 7405cd1e2bafc046b4311005b94092d74a7a9c66 Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Tue, 14 Apr 2015 13:48:20 -0400
Subject: [PATCH] fix inconsistent visibility for internal syscall symbols

---
 src/internal/aarch64/syscall.s    | 1 +
 src/internal/arm/syscall.s        | 1 +
 src/internal/i386/syscall.s       | 1 +
 src/internal/microblaze/syscall.s | 1 +
 src/internal/mips/syscall.s       | 1 +
 src/internal/or1k/syscall.s       | 1 +
 src/internal/powerpc/syscall.s    | 1 +
 src/internal/sh/syscall.s         | 1 +
 src/internal/syscall.h            | 2 +-
 src/internal/x32/syscall.s        | 1 +
 src/internal/x86_64/syscall.s     | 1 +
 src/thread/__syscall_cp.c         | 5 +++++
 12 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/internal/aarch64/syscall.s b/src/internal/aarch64/syscall.s
index 48fac924..845986bf 100644
--- a/src/internal/aarch64/syscall.s
+++ b/src/internal/aarch64/syscall.s
@@ -1,4 +1,5 @@
 .global __syscall
+.hidden __syscall
 .type __syscall,%function
 __syscall:
 	uxtw x8,w0
diff --git a/src/internal/arm/syscall.s b/src/internal/arm/syscall.s
index c5ae25c3..2028456c 100644
--- a/src/internal/arm/syscall.s
+++ b/src/internal/arm/syscall.s
@@ -1,4 +1,5 @@
 .global __syscall
+.hidden __syscall
 .type __syscall,%function
 __syscall:
 	mov ip,sp
diff --git a/src/internal/i386/syscall.s b/src/internal/i386/syscall.s
index 739201ae..0ebf2218 100644
--- a/src/internal/i386/syscall.s
+++ b/src/internal/i386/syscall.s
@@ -59,6 +59,7 @@ __vsyscall6:
 	ret
 
 .global __syscall
+.hidden __syscall
 .type __syscall,@function
 __syscall:
 	lea 24(%esp),%eax
diff --git a/src/internal/microblaze/syscall.s b/src/internal/microblaze/syscall.s
index 9bf7c0e0..e0312e78 100644
--- a/src/internal/microblaze/syscall.s
+++ b/src/internal/microblaze/syscall.s
@@ -1,4 +1,5 @@
 .global __syscall
+.hidden __syscall
 .type   __syscall,@function
 __syscall:
 	addi    r12, r5, 0              # Save the system call number
diff --git a/src/internal/mips/syscall.s b/src/internal/mips/syscall.s
index e18a382e..5d0def52 100644
--- a/src/internal/mips/syscall.s
+++ b/src/internal/mips/syscall.s
@@ -1,6 +1,7 @@
 .set    noreorder
 
 .global __syscall
+.hidden __syscall
 .type   __syscall,@function
 __syscall:
 	move    $2, $4
diff --git a/src/internal/or1k/syscall.s b/src/internal/or1k/syscall.s
index 2ea0eb13..177964e9 100644
--- a/src/internal/or1k/syscall.s
+++ b/src/internal/or1k/syscall.s
@@ -1,4 +1,5 @@
 .global __syscall
+.hidden __syscall
 .type   __syscall,@function
 __syscall:
 	l.ori	r11, r3, 0
diff --git a/src/internal/powerpc/syscall.s b/src/internal/powerpc/syscall.s
index bca620db..5b16b8f2 100644
--- a/src/internal/powerpc/syscall.s
+++ b/src/internal/powerpc/syscall.s
@@ -1,4 +1,5 @@
 	.global __syscall
+	.hidden __syscall
 	.type   __syscall,@function
 __syscall:
 	mr      0, 3                  # Save the system call number
diff --git a/src/internal/sh/syscall.s b/src/internal/sh/syscall.s
index a8fda1c0..d00712a9 100644
--- a/src/internal/sh/syscall.s
+++ b/src/internal/sh/syscall.s
@@ -1,4 +1,5 @@
 .global __syscall
+.hidden __syscall
 .type   __syscall, @function
 __syscall:
 	! The kernel syscall entry point documents that the trap number indicates
diff --git a/src/internal/syscall.h b/src/internal/syscall.h
index e3a8c5d6..a93f6d1e 100644
--- a/src/internal/syscall.h
+++ b/src/internal/syscall.h
@@ -17,7 +17,7 @@
 typedef long syscall_arg_t;
 #endif
 
-#if defined(__PIC__) && (100*__GNUC__+__GNUC_MINOR__ >= 303)
+#ifdef SHARED
 __attribute__((visibility("hidden")))
 #endif
 long __syscall_ret(unsigned long), __syscall(syscall_arg_t, ...),
diff --git a/src/internal/x32/syscall.s b/src/internal/x32/syscall.s
index 6e0db09c..c4bee804 100644
--- a/src/internal/x32/syscall.s
+++ b/src/internal/x32/syscall.s
@@ -1,4 +1,5 @@
 .global __syscall
+.hidden __syscall
 .type __syscall,@function
 __syscall:
 	movq %rdi,%rax
diff --git a/src/internal/x86_64/syscall.s b/src/internal/x86_64/syscall.s
index 6e0db09c..c4bee804 100644
--- a/src/internal/x86_64/syscall.s
+++ b/src/internal/x86_64/syscall.s
@@ -1,4 +1,5 @@
 .global __syscall
+.hidden __syscall
 .type __syscall,@function
 __syscall:
 	movq %rdi,%rax
diff --git a/src/thread/__syscall_cp.c b/src/thread/__syscall_cp.c
index a48cee9b..faf57b1a 100644
--- a/src/thread/__syscall_cp.c
+++ b/src/thread/__syscall_cp.c
@@ -1,6 +1,11 @@
 #include "pthread_impl.h"
 #include "syscall.h"
 
+#ifdef SHARED
+__attribute__((__visibility__("hidden")))
+#endif
+long __syscall_cp_c();
+
 static long sccp(syscall_arg_t nr,
                  syscall_arg_t u, syscall_arg_t v, syscall_arg_t w,
                  syscall_arg_t x, syscall_arg_t y, syscall_arg_t z)
-- 
2.25.1