diff options
Diffstat (limited to 'lib/asan/lit_tests/Linux/asan_prelink_test.cc')
| -rw-r--r-- | lib/asan/lit_tests/Linux/asan_prelink_test.cc | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/asan/lit_tests/Linux/asan_prelink_test.cc b/lib/asan/lit_tests/Linux/asan_prelink_test.cc new file mode 100644 index 0000000000000..c209c39c8c42f --- /dev/null +++ b/lib/asan/lit_tests/Linux/asan_prelink_test.cc @@ -0,0 +1,28 @@ +// Test if asan works with prelink. +// It does not actually use prelink, but relies on ld's flag -Ttext-segment +// or gold's flag -Ttext (we try the first flag first, if that fails we +// try the second flag). +// +// RUN: %clangxx_asan -m64 -c %s -o %t.o +// RUN: %clangxx_asan -m64 -DBUILD_SO=1 -fPIC -shared %s -o %t.so -Wl,-Ttext-segment=0x3600000000 ||\ +// RUN: %clangxx_asan -m64 -DBUILD_SO=1 -fPIC -shared %s -o %t.so -Wl,-Ttext=0x3600000000 +// RUN: %clangxx_asan -m64 %t.o %t.so -Wl,-R. -o %t +// RUN: ASAN_OPTIONS=verbosity=1 %t 2>&1 | FileCheck %s + +// REQUIRES: x86_64-supported-target +#if BUILD_SO +int G; +int *getG() { + return &G; +} +#else +#include <stdio.h> +extern int *getG(); +int main(int argc, char **argv) { + long p = (long)getG(); + printf("SO mapped at %lx\n", p & ~0xffffffffUL); + *getG() = 0; +} +#endif +// CHECK: 0x003000000000, 0x004fffffffff{{.*}} MidMem +// CHECK: SO mapped at 3600000000 |