diff options
Diffstat (limited to 'test/asan/TestCases/coverage-caller-callee.cc')
-rw-r--r-- | test/asan/TestCases/coverage-caller-callee.cc | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/test/asan/TestCases/coverage-caller-callee.cc b/test/asan/TestCases/coverage-caller-callee.cc new file mode 100644 index 000000000000..9c42817776f9 --- /dev/null +++ b/test/asan/TestCases/coverage-caller-callee.cc @@ -0,0 +1,74 @@ +// Test caller-callee coverage with large number of threads +// and various numbers of callers and callees. + +// RUN: %clangxx_asan -fsanitize-coverage=edge,indirect-calls %s -o %t +// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:coverage=1:verbosity=1 %run %t 10 1 2>&1 | FileCheck %s --check-prefix=CHECK-10-1 +// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:coverage=1:verbosity=1 %run %t 9 2 2>&1 | FileCheck %s --check-prefix=CHECK-9-2 +// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:coverage=1:verbosity=1 %run %t 7 3 2>&1 | FileCheck %s --check-prefix=CHECK-7-3 +// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:coverage=1:verbosity=1 %run %t 17 1 2>&1 | FileCheck %s --check-prefix=CHECK-17-1 +// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:coverage=1:verbosity=1 %run %t 15 2 2>&1 | FileCheck %s --check-prefix=CHECK-15-2 +// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:coverage=1:verbosity=1 %run %t 18 3 2>&1 | FileCheck %s --check-prefix=CHECK-18-3 +// RUN: rm -f caller-callee*.sancov +// +// REQUIRES: asan-64-bits +// +// CHECK-10-1: CovDump: 10 caller-callee pairs written +// CHECK-9-2: CovDump: 18 caller-callee pairs written +// CHECK-7-3: CovDump: 21 caller-callee pairs written +// CHECK-17-1: CovDump: 14 caller-callee pairs written +// CHECK-15-2: CovDump: 28 caller-callee pairs written +// CHECK-18-3: CovDump: 42 caller-callee pairs written + +#include <stdio.h> +#include <stdlib.h> +#include <pthread.h> +int P = 0; +struct Foo {virtual void f() {if (P) printf("Foo::f()\n");}}; +struct Foo1 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo2 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo3 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo4 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo5 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo6 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo7 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo8 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo9 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo10 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo11 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo12 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo13 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo14 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo15 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo16 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo17 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo18 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; +struct Foo19 : Foo {virtual void f() {if (P) printf("%d\n", __LINE__);}}; + +Foo *foo[20] = { + new Foo, new Foo1, new Foo2, new Foo3, new Foo4, new Foo5, new Foo6, + new Foo7, new Foo8, new Foo9, new Foo10, new Foo11, new Foo12, new Foo13, + new Foo14, new Foo15, new Foo16, new Foo17, new Foo18, new Foo19, +}; + +int n_functions = 10; +int n_callers = 2; + +void *Thread(void *arg) { + if (n_callers >= 1) for (int i = 0; i < 2000; i++) foo[i % n_functions]->f(); + if (n_callers >= 2) for (int i = 0; i < 2000; i++) foo[i % n_functions]->f(); + if (n_callers >= 3) for (int i = 0; i < 2000; i++) foo[i % n_functions]->f(); + return arg; +} + +int main(int argc, char **argv) { + if (argc >= 2) + n_functions = atoi(argv[1]); + if (argc >= 3) + n_callers = atoi(argv[2]); + const int kNumThreads = 16; + pthread_t t[kNumThreads]; + for (int i = 0; i < kNumThreads; i++) + pthread_create(&t[i], 0, Thread, 0); + for (int i = 0; i < kNumThreads; i++) + pthread_join(t[i], 0); +} |