| // RUN: %clangxx_asan -O0 -DSHARED_LIB %s -fPIC -shared -o %t-so.so |
| // RUN: %clangxx_asan -O0 %s %libdl -o %t && not %run %t 2>&1 | FileCheck %s |
| // RUN: %clangxx_asan -O1 -DSHARED_LIB %s -fPIC -shared -o %t-so.so |
| // RUN: %clangxx_asan -O1 %s %libdl -o %t && not %run %t 2>&1 | FileCheck %s |
| // RUN: %clangxx_asan -O2 -DSHARED_LIB %s -fPIC -shared -o %t-so.so |
| // RUN: %clangxx_asan -O2 %s %libdl -o %t && not %run %t 2>&1 | FileCheck %s |
| // RUN: %clangxx_asan -O3 -DSHARED_LIB %s -fPIC -shared -o %t-so.so |
| // RUN: %clangxx_asan -O3 %s %libdl -o %t && not %run %t 2>&1 | FileCheck %s |
| // XFAIL: arm-linux-gnueabi |
| |
| #if !defined(SHARED_LIB) |
| #include <dlfcn.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include <string> |
| |
| using std::string; |
| |
| typedef void (fun_t)(int x); |
| |
| int main(int argc, char *argv[]) { |
| string path = string(argv[0]) + "-so.so"; |
| printf("opening %s ... \n", path.c_str()); |
| void *lib = dlopen(path.c_str(), RTLD_NOW); |
| if (!lib) { |
| printf("error in dlopen(): %s\n", dlerror()); |
| return 1; |
| } |
| fun_t *inc = (fun_t*)dlsym(lib, "inc"); |
| if (!inc) return 1; |
| printf("ok\n"); |
| inc(1); |
| inc(-1); // BOOM |
| // CHECK: {{.*ERROR: AddressSanitizer: global-buffer-overflow}} |
| // CHECK: {{READ of size 4 at 0x.* thread T0}} |
| // CHECK: {{ #0 0x.*}} |
| // CHECK: {{ #1 0x.* in main .*shared-lib-test.cc:}}[[@LINE-4]] |
| return 0; |
| } |
| #else // SHARED_LIB |
| #include <stdio.h> |
| #include <string.h> |
| |
| int pad[10]; |
| int GLOB[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; |
| |
| extern "C" |
| void inc(int index) { |
| GLOB[index]++; |
| } |
| |
| extern "C" |
| void inc2(int *a, int index) { |
| a[index]++; |
| } |
| #endif // SHARED_LIB |
