[rustc.git] / src / compiler-rt / test / asan / TestCases / Linux / static_tls.cc

// REQUIRES: asan-64-bits
// Regression test: __tls_get_addr interceptor must recognize static TLS.
//
// RUN: %clangxx_asan -DSHARED %s -shared -o %t-so.so -fPIC
// RUN: %clangxx_asan %s -ldl -pthread -o %t %t-so.so
// RUN: %env_asan_opts=verbosity=2 %run %t 2>&1 | FileCheck %s

// CHECK: before
// CHECK: __tls_get_addr: static tls
// CHECK: after

// XFAIL: aarch64
// binutils 2.26 has a change that causes this test to fail on powerpc64.
// UNSUPPORTED: powerpc64 

#ifndef SHARED
#include <stdio.h>

unsigned *f();
int main(int argc, char *argv[]) {
  fprintf(stderr, "before\n");
  f();
  fprintf(stderr, "after\n");
  return 0;
}
#else  // SHARED
static __thread unsigned ThreadLocal;
unsigned *f() {
  return &ThreadLocal;
}
#endif
Commit	Line	Data
92a42be0 SL	1	// REQUIRES: asan-64-bits
	2	// Regression test: __tls_get_addr interceptor must recognize static TLS.
	3	//
	4	// RUN: %clangxx_asan -DSHARED %s -shared -o %t-so.so -fPIC
	5	// RUN: %clangxx_asan %s -ldl -pthread -o %t %t-so.so
	6	// RUN: %env_asan_opts=verbosity=2 %run %t 2>&1 \| FileCheck %s
	7
	8	// CHECK: before
	9	// CHECK: __tls_get_addr: static tls
	10	// CHECK: after
	11
3157f602	12	// XFAIL: aarch64
5bcae85e SL	13	// binutils 2.26 has a change that causes this test to fail on powerpc64.
5bcae85e SL	14	// UNSUPPORTED: powerpc64
92a42be0 SL	15
	16	#ifndef SHARED
	17	#include <stdio.h>
	18
	19	unsigned *f();
	20	int main(int argc, char *argv[]) {
	21	fprintf(stderr, "before\n");
	22	f();
	23	fprintf(stderr, "after\n");
	24	return 0;
	25	}
	26	#else // SHARED
	27	static __thread unsigned ThreadLocal;
	28	unsigned *f() {
	29	return &ThreadLocal;
	30	}
	31	#endif