// relro_test.cc -- test -z relro for gold
-// Copyright 2008 Free Software Foundation, Inc.
+// Copyright (C) 2008-2017 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
#include <stdint.h>
#include <unistd.h>
+// This tests we were linked with a script. If we were linked with a
+// script, relro currently does not work.
+
+extern char using_script[] __attribute__ ((weak));
+
// This code is put into a shared library linked with -z relro.
// i1 and i2 are not relro variables.
static int i2 = 2;
// P1 is a global relro variable.
-int* const p1 = &i1;
+int* const p1 __attribute__ ((aligned(64))) = &i1;
// P2 is a local relro variable.
-int* const p2 = &i2;
+int* const p2 __attribute__ ((aligned(64))) = &i2;
+
+// Add a TLS variable to make sure -z relro works correctly with TLS.
+__thread int i3 = 1;
// Test symbol addresses.
bool
t1()
{
+ if (using_script)
+ return true;
+
void* i1addr = static_cast<void*>(&i1);
void* i2addr = static_cast<void*>(&i2);
const void* p1addr = static_cast<const void*>(&p1);
assert(i1page != p2page);
assert(i2page != p1page);
assert(i2page != p2page);
+ assert(i3 == 1);
return true;
}
bool
t2()
{
+ if (using_script)
+ return true;
+
signal(SIGSEGV, sigsegv_handler);
orig_terminate = std::set_terminate(terminate_handler);