derek.holloway
7502bf64a4
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45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
// Checks that on OS X 10.11+ (where we do not re-exec anymore, because
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// interceptors work automatically), dlopen'ing a TSanified library from a
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// non-instrumented program exits with a user-friendly message.
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// REQUIRES: osx-autointerception
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// XFAIL: darwin-remote
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// RUN: %clangxx_tsan %s -o %t.so -shared -DSHARED_LIB
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// RUN: %clangxx_tsan -fno-sanitize=thread %s -o %t
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// RUN: %clangxx_tsan %s -### 2>&1 \
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// RUN: | grep "libclang_rt.tsan_osx_dynamic.dylib" \
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// RUN: | sed -e 's/.*"\(.*libclang_rt.tsan_osx_dynamic.dylib\)".*/\1/' \
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// RUN: | tr -d '\n' > %t.tsan_dylib_path
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// Launching a non-instrumented binary that dlopen's an instrumented library should fail.
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// RUN: not %run %t %t.so 2>&1 | FileCheck %s --check-prefix=CHECK-FAIL
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// Launching a non-instrumented binary with an explicit DYLD_INSERT_LIBRARIES should work.
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// RUN: env DYLD_INSERT_LIBRARIES="%{readfile:%t.tsan_dylib_path}" %run %t %t.so 2>&1 | FileCheck %s
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#include <dlfcn.h>
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#include <pthread.h>
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#include <stdio.h>
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#if defined(SHARED_LIB)
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extern "C" void foo() {
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fprintf(stderr, "Hello world.\n");
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}
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#else // defined(SHARED_LIB)
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int main(int argc, char *argv[]) {
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void *handle = dlopen(argv[1], RTLD_NOW);
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fprintf(stderr, "handle = %p\n", handle);
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void (*foo)() = (void (*)())dlsym(handle, "foo");
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fprintf(stderr, "foo = %p\n", foo);
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foo();
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}
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#endif // defined(SHARED_LIB)
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// CHECK: Hello world.
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// CHECK-NOT: ERROR: Interceptors are not working.
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// CHECK-FAIL-NOT: Hello world.
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// CHECK-FAIL: ERROR: Interceptors are not working.
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