compiler-rt/test/asan/TestCases/Linux/dlopen-mixed-c-cxx.c

   1 // RUN: %clangxx_asan -xc++ -shared -fPIC -o %t.so - < %s
   2 // RUN: %clang_asan %s -o %t.out -ldl
   3 //
   4 // RUN: { env ASAN_OPTIONS=verbosity=1 %t.out %t.so || : ; } 2>&1 | FileCheck %s
   5 //
   6 // CHECK: AddressSanitizer: failed to intercept '__cxa_throw'
   7 //
   8 // This tests assumes static linking of the asan runtime.
   9 // UNSUPPORTED: asan-dynamic-runtime
  10
  11 #ifdef __cplusplus
  12
  13 static void foo(void) {
  14   int i = 0;
  15   throw(i);
  16 }
  17
  18 extern "C" {
  19 int bar(void);
  20 };
  21 int bar(void) {
  22   try {
  23     foo();
  24   } catch (int i) {
  25     return i;
  26   }
  27   return -1;
  28 }
  29
  30 #else
  31
  32 #include <assert.h>
  33 #include <dlfcn.h>
  34
  35 int main(int argc, char **argv) {
  36   int (*bar)(void);
  37   void *handle = dlopen(argv[1], RTLD_LAZY);
  38   assert(handle);
  39   bar = dlsym(handle, "bar");
  40   assert(bar);
  41   return bar();
  42 }
  43
  44 #endif