compiler-rt/test/asan/TestCases/Darwin/mixing-global-constructors.cpp

   1 // A global constructor from a non-instrumented part calls a function
   2 // in an instrumented part.
   3 // Regression test for https://code.google.com/p/address-sanitizer/issues/detail?id=363.
   4
   5 // RUN: %clangxx      -DINSTRUMENTED_PART=0 -c %s -o %t-uninst.o
   6 // RUN: %clangxx_asan -DINSTRUMENTED_PART=1 -c %s -o %t-inst.o
   7 // RUN: %clangxx_asan %t-uninst.o %t-inst.o -o %t
   8
   9 // RUN: %run %t 2>&1 | FileCheck %s
  10
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13 #include <string.h>
  14
  15 void func(char *ptr);
  16
  17 #if INSTRUMENTED_PART == 1
  18
  19 void func(char *ptr) {
  20   *ptr = 'X';
  21 }
  22
  23 #else // INSTRUMENTED_PART == 1
  24
  25 struct C1 {
  26   C1() {
  27     printf("Hello ");
  28     char buffer[10] = "world";
  29     func(buffer);
  30     printf("%s\n", buffer);
  31   }
  32 };
  33
  34 C1 *obj = new C1();
  35
  36 int main(int argc, const char *argv[]) {
  37   return 0;
  38 }
  39
  40 #endif // INSTRUMENTED_PART == 1
  41
  42 // CHECK: Hello Xorld