| 1 | // REQUIRES: asan-64-bits |
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| 2 | // Regression test: __tls_get_addr interceptor must recognize static TLS. |
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| 3 | // |
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| 4 | // RUN: %clangxx_asan -DSHARED %s -shared -o %t-so.so -fPIC |
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| 5 | // RUN: %clangxx_asan %s -ldl -pthread -o %t %t-so.so |
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| 6 | // RUN: %env_asan_opts=verbosity=2 %run %t 2>&1 | FileCheck %s |
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| 7 | |
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| 8 | // CHECK: before |
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| 9 | // CHECK: __tls_get_addr: static tls |
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| 10 | // CHECK: after |
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| 11 | |
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| 12 | // XFAIL: target=aarch64{{.*}} |
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| 13 | // binutils 2.26 has a change that causes this test to fail on powerpc64. |
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| 14 | // UNSUPPORTED: target=powerpc64{{.*}} |
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| 15 | |
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| 16 | /// We call __tls_get_addr early in GetTls to work around an issue for glibc<2.25, |
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| 17 | /// so we don't get a log for f(). |
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| 18 | // REQUIRES: glibc-2.27 |
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| 19 | |
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| 20 | #ifndef SHARED |
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| 21 | #include <stdio.h> |
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| 22 | |
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| 23 | unsigned *f(); |
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| 24 | int main(int argc, char *argv[]) { |
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| 25 | fprintf(stderr, format: "before\n" ); |
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| 26 | f(); |
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| 27 | fprintf(stderr, format: "after\n" ); |
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| 28 | return 0; |
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| 29 | } |
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| 30 | #else // SHARED |
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| 31 | static __thread unsigned ThreadLocal; |
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| 32 | unsigned *f() { |
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| 33 | return &ThreadLocal; |
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| 34 | } |
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| 35 | #endif |
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| 36 | |
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