1*7c3d14c8STreehugger Robot // Check that unloading a module doesn't break coverage dumping for remaining 2*7c3d14c8STreehugger Robot // modules. 3*7c3d14c8STreehugger Robot // RUN: %clangxx_asan -fsanitize-coverage=func -DSHARED %s -shared -o %dynamiclib1 -fPIC 4*7c3d14c8STreehugger Robot // RUN: %clangxx_asan -fsanitize-coverage=func -DSHARED %s -shared -o %dynamiclib2 -fPIC 5*7c3d14c8STreehugger Robot // RUN: %clangxx_asan -fsanitize-coverage=func %s %libdl -o %t 6*7c3d14c8STreehugger Robot // RUN: mkdir -p %T/coverage-module-unloaded && cd %T/coverage-module-unloaded 7*7c3d14c8STreehugger Robot // RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t %dynamiclib1 %dynamiclib2 2>&1 | FileCheck %s 8*7c3d14c8STreehugger Robot // RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t %dynamiclib1 %dynamiclib2 foo 2>&1 | FileCheck %s 9*7c3d14c8STreehugger Robot // RUN: rm -r %T/coverage-module-unloaded 10*7c3d14c8STreehugger Robot // 11*7c3d14c8STreehugger Robot // https://code.google.com/p/address-sanitizer/issues/detail?id=263 12*7c3d14c8STreehugger Robot // XFAIL: android 13*7c3d14c8STreehugger Robot 14*7c3d14c8STreehugger Robot #include <assert.h> 15*7c3d14c8STreehugger Robot #include <dlfcn.h> 16*7c3d14c8STreehugger Robot #include <stdio.h> 17*7c3d14c8STreehugger Robot #include <unistd.h> 18*7c3d14c8STreehugger Robot 19*7c3d14c8STreehugger Robot #ifdef SHARED 20*7c3d14c8STreehugger Robot extern "C" { bar()21*7c3d14c8STreehugger Robotvoid bar() { printf("bar\n"); } 22*7c3d14c8STreehugger Robot } 23*7c3d14c8STreehugger Robot #else 24*7c3d14c8STreehugger Robot main(int argc,char ** argv)25*7c3d14c8STreehugger Robotint main(int argc, char **argv) { 26*7c3d14c8STreehugger Robot fprintf(stderr, "PID: %d\n", getpid()); 27*7c3d14c8STreehugger Robot assert(argc > 2); 28*7c3d14c8STreehugger Robot void *handle1 = dlopen(argv[1], RTLD_LAZY); // %dynamiclib1 29*7c3d14c8STreehugger Robot assert(handle1); 30*7c3d14c8STreehugger Robot void (*bar1)() = (void (*)())dlsym(handle1, "bar"); 31*7c3d14c8STreehugger Robot assert(bar1); 32*7c3d14c8STreehugger Robot bar1(); 33*7c3d14c8STreehugger Robot void *handle2 = dlopen(argv[2], RTLD_LAZY); // %dynamiclib2 34*7c3d14c8STreehugger Robot assert(handle2); 35*7c3d14c8STreehugger Robot void (*bar2)() = (void (*)())dlsym(handle2, "bar"); 36*7c3d14c8STreehugger Robot assert(bar2); 37*7c3d14c8STreehugger Robot bar2(); 38*7c3d14c8STreehugger Robot 39*7c3d14c8STreehugger Robot // It matters whether the unloaded module has a higher or lower address range 40*7c3d14c8STreehugger Robot // than the remaining one. Make sure to test both cases. 41*7c3d14c8STreehugger Robot if (argc < 2) 42*7c3d14c8STreehugger Robot dlclose(bar1 < bar2 ? handle1 : handle2); 43*7c3d14c8STreehugger Robot else 44*7c3d14c8STreehugger Robot dlclose(bar1 < bar2 ? handle2 : handle1); 45*7c3d14c8STreehugger Robot return 0; 46*7c3d14c8STreehugger Robot } 47*7c3d14c8STreehugger Robot #endif 48*7c3d14c8STreehugger Robot 49*7c3d14c8STreehugger Robot // CHECK: PID: [[PID:[0-9]+]] 50*7c3d14c8STreehugger Robot // CHECK: [[PID]].sancov: 1 PCs written 51*7c3d14c8STreehugger Robot // CHECK: coverage-module-unloaded{{.*}}1.[[PID]] 52*7c3d14c8STreehugger Robot // CHECK: coverage-module-unloaded{{.*}}2.[[PID]] 53*7c3d14c8STreehugger Robot // Even though we've unloaded one of the libs we still dump the coverage file 54*7c3d14c8STreehugger Robot // for that lib (although the data will be inaccurate, if at all useful) 55