1// When DYLD-inserting the ASan dylib from a different location than the
2// original, make sure we don't try to reexec.
3
4// UNSUPPORTED: ios
5
6// RUN: rm -rf %t && mkdir -p %t
7// RUN: cp `%clang_asan -print-file-name=lib`/darwin/libclang_rt.asan_osx_dynamic.dylib \
8// RUN: %t/libclang_rt.asan_osx_dynamic.dylib
9// RUN: %clangxx_asan %s -o %t/a.out
10
11// RUN: %env_asan_opts=verbosity=1 \
12// RUN: DYLD_INSERT_LIBRARIES=@executable_path/libclang_rt.asan_osx_dynamic.dylib \
13// RUN: %run %t/a.out 2>&1 \
14// RUN: | FileCheck %s
15
16// RUN: MACOS_MAJOR=$(sw_vers -productVersion | cut -d'.' -f1)
17// RUN: MACOS_MINOR=$(sw_vers -productVersion | cut -d'.' -f2)
18
19// RUN: IS_MACOS_10_11_OR_HIGHER=$([ $MACOS_MAJOR -eq 10 ] && [ $MACOS_MINOR -lt 11 ]; echo $?)
20
21// On OS X 10.10 and lower, if the dylib is not DYLD-inserted, ASan will re-exec.
22// RUN: if [ $IS_MACOS_10_11_OR_HIGHER == 0 ]; then \
23// RUN: %env_asan_opts=verbosity=1 %run %t/a.out 2>&1 \
24// RUN: | FileCheck --check-prefix=CHECK-NOINSERT %s; \
25// RUN: fi
26
27// On OS X 10.11 and higher, we don't need to DYLD-insert anymore, and the interceptors
28// still installed correctly. Let's just check that things work and we don't try to re-exec.
29// RUN: if [ $IS_MACOS_10_11_OR_HIGHER == 1 ]; then \
30// RUN: %env_asan_opts=verbosity=1 %run %t/a.out 2>&1 \
31// RUN: | FileCheck %s; \
32// RUN: fi
33
34#include <stdio.h>
35
36int main() {
37 printf(format: "Passed\n");
38 return 0;
39}
40
41// CHECK-NOINSERT: exec()-ing the program with
42// CHECK-NOINSERT: DYLD_INSERT_LIBRARIES
43// CHECK-NOINSERT: to enable wrappers.
44// CHECK-NOINSERT: Passed
45
46// CHECK-NOT: exec()-ing the program with
47// CHECK-NOT: DYLD_INSERT_LIBRARIES
48// CHECK-NOT: to enable wrappers.
49// CHECK: Passed
50

source code of compiler-rt/test/asan/TestCases/Darwin/dyld_insert_libraries_reexec.cpp