1 // RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard -DSHARED %s -shared -o %dynamiclib -fPIC %ld_flags_rpath_so 2 // RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard %s %ld_flags_rpath_exe -o %t 3 // RUN: rm -rf %t-dir && mkdir -p %t-dir && cd %t-dir 4 // RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-main 5 // RUN: %sancov print coverage.*sancov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV1 6 // RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t foo 2>&1 | FileCheck %s --check-prefix=CHECK-foo 7 // RUN: %sancov print coverage.*sancov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV2 8 // RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t bar 2>&1 | FileCheck %s --check-prefix=CHECK-bar 9 // RUN: %sancov print coverage.*sancov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV2 10 // RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t foo bar 2>&1 | FileCheck %s --check-prefix=CHECK-foo-bar 11 // RUN: %sancov print coverage.*sancov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV2 12 // RUN: %sancov print libcoverage.*sancov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV1 13 // RUN: %sancov merge coverage.*sancov > merged-cov 14 // RUN: %sancov print merged-cov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV2 15 // RUN: %env_asan_opts=coverage=1:verbosity=1 not %run %t foo bar 4 2>&1 | FileCheck %s --check-prefix=CHECK-report 16 // RUN: %env_asan_opts=coverage=1:verbosity=1 not %run %t foo bar 4 5 2>&1 | FileCheck %s --check-prefix=CHECK-segv 17 // RUN: cd .. && rm -rf %t-dir 18 // 19 // https://code.google.com/p/address-sanitizer/issues/detail?id=263 20 // XFAIL: android 21 // XFAIL: i386-netbsd 22 // UNSUPPORTED: ios 23 24 #include <assert.h> 25 #include <stdio.h> 26 #include <string.h> 27 #include <unistd.h> 28 29 #ifdef SHARED 30 void bar() { printf("bar\n"); } 31 #else 32 __attribute__((noinline)) 33 void foo() { printf("foo\n"); } 34 extern void bar(); 35 36 int G[4]; 37 38 int main(int argc, char **argv) { 39 fprintf(stderr, "PID: %d\n", getpid()); 40 for (int i = 1; i < argc; i++) { 41 if (!strcmp(argv[i], "foo")) 42 foo(); 43 if (!strcmp(argv[i], "bar")) 44 bar(); 45 } 46 if (argc == 5) { 47 static volatile char *zero = 0; 48 *zero = 0; // SEGV if argc == 5. 49 } 50 return G[argc]; // Buffer overflow if argc >= 4. 51 } 52 #endif 53 54 // CHECK-main: PID: [[PID:[0-9]+]] 55 // CHECK-main: [[PID]].sancov: 1 PCs written 56 // CHECK-main-NOT: .so.[[PID]] 57 // 58 // CHECK-foo: PID: [[PID:[0-9]+]] 59 // CHECK-foo: [[PID]].sancov: 2 PCs written 60 // CHECK-foo-NOT: .so.[[PID]] 61 // 62 // CHECK-bar: PID: [[PID:[0-9]+]] 63 // CHECK-bar-DAG: .so.[[PID]].sancov: 1 PCs written 64 // CHECK-bar-DAG: [[PID]].sancov: 1 PCs written 65 // 66 // CHECK-foo-bar: PID: [[PID:[0-9]+]] 67 // CHECK-foo-bar-DAG: so.[[PID]].sancov: 1 PCs written 68 // CHECK-foo-bar-DAG: [[PID]].sancov: 2 PCs written 69 // 70 // CHECK-report: AddressSanitizer: global-buffer-overflow 71 // CHECK-report: PCs written 72 // 73 // CHECK-segv: AddressSanitizer: SEGV 74 // CHECK-segv: PCs written 75 // 76 // CHECK-SANCOV1: 1 PCs total 77 // CHECK-SANCOV2: 2 PCs total 78