| // RUN: %clangxx_asan -std=c++11 -O0 %s -o %t |
| // RUN: %run %t 2>&1 | FileCheck %s |
| // RUN: %env_asan_opts=debug=1,verbosity=2 %run %t 2>&1 | FileCheck %s |
| |
| // Test ASan initialization |
| |
| #include <assert.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| |
| extern "C" const char *__asan_default_options() { |
| return "test_only_emulate_no_memorymap=1"; |
| } |
| |
| void parent(int argc, char **argv) { |
| fprintf(stderr, "hello\n"); |
| // CHECK: hello |
| close(0); |
| close(1); |
| dup2(2, 3); |
| close(2); |
| char *const newargv[] = {argv[0], (char *)"x", nullptr}; |
| execv(argv[0], newargv); |
| perror("execve"); |
| exit(1); |
| } |
| |
| void child() { |
| assert(dup(3) == 0); |
| assert(dup(3) == 1); |
| assert(dup(3) == 2); |
| fprintf(stderr, "world\n"); |
| // CHECK: world |
| } |
| |
| int main(int argc, char **argv) { |
| if (argc == 1) { |
| parent(argc, argv); |
| } else { |
| child(); |
| } |
| } |