forked from OSchip/llvm-project
50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
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// RUN: rm -rf %t-dir
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// RUN: mkdir %t-dir
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// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -shared -o %t-dir/libignore_lib4.so
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// RUN: %clangxx_tsan -O1 %s %link_libcxx_tsan -o %t-dir/executable
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// RUN: echo "called_from_lib:libignore_lib4.so" > %t-dir/executable.supp
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// RUN: %env_tsan_opts=suppressions='%t-dir/executable.supp' %run %t-dir/executable 2>&1 | FileCheck %s
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// powerpc64 big endian bots failed with "FileCheck error: '-' is empty" due
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// to a segmentation fault.
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// UNSUPPORTED: powerpc64-unknown-linux-gnu
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// aarch64 bots failed with "called_from_lib suppression 'libignore_lib4.so'
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// is matched against 2 libraries".
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// UNSUPPORTED: aarch64
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// Test longjmp in ignored lib.
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// It used to crash since we jumped out of ScopedInterceptor scope.
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#include "test.h"
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#include <setjmp.h>
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#include <string.h>
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#include <errno.h>
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#include <libgen.h>
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#include <string>
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#ifdef LIB
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extern "C" void myfunc() {
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for (int i = 0; i < (1 << 20); i++) {
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jmp_buf env;
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if (!setjmp(env))
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longjmp(env, 1);
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}
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}
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#else
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int main(int argc, char **argv) {
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std::string lib = std::string(dirname(argv[0])) + "/libignore_lib4.so";
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void *h = dlopen(lib.c_str(), RTLD_GLOBAL | RTLD_NOW);
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void (*func)() = (void(*)())dlsym(h, "myfunc");
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func();
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fprintf(stderr, "DONE\n");
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return 0;
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}
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#endif
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// CHECK: DONE
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