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1 // Checks that on OS X 10.11+ (where we do not re-exec anymore, because
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2 // interceptors work automatically), dlopen'ing a TSanified library from a
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3 // non-instrumented program exits with a user-friendly message.
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4
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5 // REQUIRES: osx-autointerception
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6
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7 // XFAIL: ios
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8
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9 // RUN: %clangxx_tsan %s -o %t.so -shared -DSHARED_LIB
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10 // RUN: %clangxx_tsan -fno-sanitize=thread %s -o %t
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11
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12 // RUN: TSAN_DYLIB_PATH=`%clangxx_tsan %s -### 2>&1 \
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13 // RUN: | grep "libclang_rt.tsan_osx_dynamic.dylib" \
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14 // RUN: | sed -e 's/.*"\(.*libclang_rt.tsan_osx_dynamic.dylib\)".*/\1/'`
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15
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16 // Launching a non-instrumented binary that dlopen's an instrumented library should fail.
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17 // RUN: not %run %t %t.so 2>&1 | FileCheck %s --check-prefix=CHECK-FAIL
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18 // Launching a non-instrumented binary with an explicit DYLD_INSERT_LIBRARIES should work.
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19 // RUN: DYLD_INSERT_LIBRARIES=$TSAN_DYLIB_PATH %run %t %t.so 2>&1 | FileCheck %s
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20
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21 #include <dlfcn.h>
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22 #include <pthread.h>
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23 #include <stdio.h>
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24
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25 #if defined(SHARED_LIB)
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26 extern "C" void foo() {
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27 fprintf(stderr, "Hello world.\n");
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28 }
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29 #else // defined(SHARED_LIB)
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30 int main(int argc, char *argv[]) {
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31 void *handle = dlopen(argv[1], RTLD_NOW);
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32 fprintf(stderr, "handle = %p\n", handle);
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33 void (*foo)() = (void (*)())dlsym(handle, "foo");
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34 fprintf(stderr, "foo = %p\n", foo);
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35 foo();
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36 }
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37 #endif // defined(SHARED_LIB)
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38
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39 // CHECK: Hello world.
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40 // CHECK-NOT: ERROR: Interceptors are not working.
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41
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42 // CHECK-FAIL-NOT: Hello world.
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43 // CHECK-FAIL: ERROR: Interceptors are not working.
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