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// 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
#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.cpp:}}[[@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
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