14af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %T/libignore_lib3.so 24af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov// RUN: %clangxx_tsan -O1 %s -o %t 3799172d60d32feb1acba1a6867f3a9c39a999e5cPirama Arumuga Nainar// RUN: %env_tsan_opts=suppressions='%s.supp' %deflake %run %t | FileCheck %s 44af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov 54af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov// Tests that unloading of a library matched against called_from_lib suppression 64af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov// causes program crash (this is not supported). 74af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov 8799172d60d32feb1acba1a6867f3a9c39a999e5cPirama Arumuga Nainar// Some aarch64 kernels do not support non executable write pages 9799172d60d32feb1acba1a6867f3a9c39a999e5cPirama Arumuga Nainar// REQUIRES: stable-runtime 10799172d60d32feb1acba1a6867f3a9c39a999e5cPirama Arumuga Nainar 114af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov#ifndef LIB 124af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov 134af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov#include <dlfcn.h> 144af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov#include <stdlib.h> 154af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov#include <stdio.h> 164af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov#include <errno.h> 174af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov#include <libgen.h> 184af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov#include <string> 194af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov 204af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukovint main(int argc, char **argv) { 214af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov std::string lib = std::string(dirname(argv[0])) + "/libignore_lib3.so"; 224af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov void *h = dlopen(lib.c_str(), RTLD_GLOBAL | RTLD_NOW); 234af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov dlclose(h); 244af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov fprintf(stderr, "OK\n"); 254af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov} 264af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov 274af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov#else // #ifdef LIB 284af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov 294af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukovextern "C" void libfunc() { 304af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov} 314af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov 324af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov#endif // #ifdef LIB 334af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov 344af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov// CHECK: ThreadSanitizer: library {{.*}} that was matched against called_from_lib suppression 'ignore_lib3.so' is unloaded 354af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov// CHECK-NOT: OK 364af0f21c0c98950df1136dbec8824a029ed5bb8eDmitry Vyukov 37