forked from OSchip/llvm-project
43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
//===----------- shared-lib-test.cc -----------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of AddressSanitizer, an address sanity checker.
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//
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//===----------------------------------------------------------------------===//
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#include <dlfcn.h>
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#include <stdio.h>
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#include <string.h>
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#include <string>
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using std::string;
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typedef void (fun_t)(int x);
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int main(int argc, char *argv[]) {
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string path = string(argv[0]) + "-so.so";
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printf("opening %s ... \n", path.c_str());
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void *lib = dlopen(path.c_str(), RTLD_NOW);
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if (!lib) {
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printf("error in dlopen(): %s\n", dlerror());
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return 1;
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}
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fun_t *inc = (fun_t*)dlsym(lib, "inc");
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if (!inc) return 1;
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printf("ok\n");
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inc(1);
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inc(-1); // BOOM
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return 0;
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}
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// Check-Common: {{.*ERROR: AddressSanitizer global-buffer-overflow}}
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// Check-Common: {{READ of size 4 at 0x.* thread T0}}
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// Check-Common: {{ #0 0x.*}}
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// Check-Common: {{ #1 0x.* in main .*shared-lib-test.cc:3[567]}}
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