1 // Check that when launching with DYLD_INSERT_LIBRARIES, we properly remove
2 // the ASan dylib from the environment variable (both when using an absolute
3 // or relative path) and also that the other dylibs are left untouched.
4 
5 // UNSUPPORTED: ios
6 
7 // RUN: rm -rf %t && mkdir -p %t
8 // RUN: cp `%clang_asan -print-file-name=lib`/darwin/libclang_rt.asan_osx_dynamic.dylib \
9 // RUN:   %t/libclang_rt.asan_osx_dynamic.dylib
10 
11 // RUN: %clangxx_asan %s -o %t/a.out
12 // RUN: %clangxx -DSHARED_LIB %s \
13 // RUN:     -dynamiclib -o %t/dummy-so.dylib
14 
15 // RUN: ( cd %t && \
16 // RUN:   DYLD_INSERT_LIBRARIES=@executable_path/libclang_rt.asan_osx_dynamic.dylib:dummy-so.dylib \
17 // RUN:   %run ./a.out 2>&1 ) | FileCheck %s || exit 1
18 
19 // RUN: ( cd %t && \
20 // RUN:   DYLD_INSERT_LIBRARIES=libclang_rt.asan_osx_dynamic.dylib:dummy-so.dylib \
21 // RUN:   %run ./a.out 2>&1 ) | FileCheck %s || exit 1
22 
23 // RUN: ( cd %t && \
24 // RUN:   %env_asan_opts=strip_env=0 \
25 // RUN:   DYLD_INSERT_LIBRARIES=libclang_rt.asan_osx_dynamic.dylib:dummy-so.dylib \
26 // RUN:   %run ./a.out 2>&1 ) | FileCheck %s --check-prefix=CHECK-KEEP || exit 1
27 
28 // RUN: ( cd %t && \
29 // RUN:   DYLD_INSERT_LIBRARIES=%t/libclang_rt.asan_osx_dynamic.dylib:dummy-so.dylib \
30 // RUN:   %run ./a.out 2>&1 ) | FileCheck %s || exit 1
31 
32 #if !defined(SHARED_LIB)
33 #include <stdio.h>
34 #include <stdlib.h>
35 
36 int main() {
37   const char kEnvName[] = "DYLD_INSERT_LIBRARIES";
38   printf("%s=%s\n", kEnvName, getenv(kEnvName));
39   // CHECK: {{DYLD_INSERT_LIBRARIES=dummy-so.dylib}}
40   // CHECK-KEEP: {{DYLD_INSERT_LIBRARIES=libclang_rt.asan_osx_dynamic.dylib:dummy-so.dylib}}
41   return 0;
42 }
43 #else  // SHARED_LIB
44 void foo() {}
45 #endif  // SHARED_LIB
46