1// Regression test for PR33206
2//
3// RUN: %clang -DDYN=1 -DMALLOC=1 -fPIC -shared %s -o %t-dso1.so
4// RUN: %clang -DDYN=1 -DMALLOC=1 -fPIC -shared %s -o %t-dso2.so %t-dso1.so
5// RUN: %clang %s -o %t-1 %t-dso2.so
6// RUN: env LD_PRELOAD=%shared_libasan %run %t-1 2>&1 | FileCheck %s
7// RUN: %clang -DDYN=1 -DREALLOC=1 -fPIC -shared %s -o %t-dso3.so
8// RUN: %clang -DDYN=1 -DREALLOC=1 -fPIC -shared %s -o %t-dso4.so %t-dso3.so
9// RUN: %clang %s -o %t-2 %t-dso4.so
10// RUN: env LD_PRELOAD=%shared_libasan %run %t-2 2>&1 | FileCheck %s
11// REQUIRES: asan-dynamic-runtime
12
13// FIXME: Test regressed while android bot was disabled. Needs investigation.
14// UNSUPPORTED: android
15
16#include <stdlib.h>
17#include <stdio.h>
18
19#ifdef DYN
20__attribute__((constructor)) void foo() {
21 void *p;
22#ifdef MALLOC
23 p = malloc(1 << 20);
24#endif
25#ifdef REALLOC
26 p = realloc (0, 1 << 20);
27#endif
28 free(p);
29}
30#else
31int main() {
32 // CHECK: Success
33 printf(format: "Success\n");
34 return 0;
35}
36#endif
37

source code of compiler-rt/test/asan/TestCases/Linux/asan_preload_test-3.cpp