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
19 // https://code.google.com/p/address-sanitizer/issues/detail?id=263
30 void bar() { printf("bar\n"); }
32 __attribute__((noinline))
33 void foo() { printf("foo\n"); }
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"))
43 if (!strcmp(argv[i], "bar"))
47 static volatile char *zero = 0;
48 *zero = 0; // SEGV if argc == 5.
50 return G[argc]; // Buffer overflow if argc >= 4.
54 // CHECK-main: PID: [[PID:[0-9]+]]
55 // CHECK-main: [[PID]].sancov: 1 PCs written
56 // CHECK-main-NOT: .so.[[PID]]
58 // CHECK-foo: PID: [[PID:[0-9]+]]
59 // CHECK-foo: [[PID]].sancov: 2 PCs written
60 // CHECK-foo-NOT: .so.[[PID]]
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
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
70 // CHECK-report: AddressSanitizer: global-buffer-overflow
71 // CHECK-report: PCs written
73 // CHECK-segv: AddressSanitizer: SEGV
74 // CHECK-segv: PCs written
76 // CHECK-SANCOV1: 1 PCs total
77 // CHECK-SANCOV2: 2 PCs total