Clang Project

clang_source_code/test/Driver/fuzzer.c
1// Test flags inserted by -fsanitize=fuzzer.
2
3// RUN: %clang -fsanitize=fuzzer %s -target x86_64-apple-darwin14 -### 2>&1 | FileCheck --check-prefixes=CHECK-FUZZER-LIB,CHECK-COVERAGE-FLAGS %s
4//
5// CHECK-FUZZER-LIB: libclang_rt.fuzzer
6// CHECK-COVERAGE: -fsanitize-coverage-inline-8bit-counters
7// CHECK-COVERAGE-SAME: -fsanitize-coverage-indirect-calls
8// CHECK-COVERAGE-SAME: -fsanitize-coverage-trace-cmp
9// CHECK-COVERAGE-SAME: -fsanitize-coverage-pc-table
10
11// RUN: %clang -fsanitize=fuzzer -target i386-unknown-linux -stdlib=platform %s -### 2>&1 | FileCheck --check-prefixes=CHECK-LIBCXX-LINUX %s
12//
13// CHECK-LIBCXX-LINUX: -lstdc++
14
15// RUN: %clang -target x86_64-apple-darwin14 -fsanitize=fuzzer %s -### 2>&1 | FileCheck --check-prefixes=CHECK-LIBCXX-DARWIN %s
16//
17// CHECK-LIBCXX-DARWIN: -lc++
18
19
20// Check that we don't link in libFuzzer.a when producing a shared object.
21// RUN: %clang -fsanitize=fuzzer %s -shared -o %t.so -### 2>&1 | FileCheck --check-prefixes=CHECK-NOLIB-SO %s
22// CHECK-NOLIB-SO-NOT: libclang_rt.libfuzzer
23
24// Check that we don't link in libFuzzer when compiling with -fsanitize=fuzzer-no-link.
25// RUN: %clang -fsanitize=fuzzer-no-link %s -target x86_64-apple-darwin14 -### 2>&1 | FileCheck --check-prefixes=CHECK-NOLIB,CHECK-COV %s
26// CHECK-NOLIB-NOT: libclang_rt.libfuzzer
27// CHECK-COV: -fsanitize-coverage-inline-8bit-counters
28
29// RUN: %clang -fsanitize=fuzzer -fsanitize-coverage=trace-pc %s -### 2>&1 | FileCheck --check-prefixes=CHECK-MSG %s
30// CHECK-MSG-NOT: argument unused during compilation
31
32int LLVMFuzzerTestOneInput(const char *Data, long Size) {
33  return 0;
34}
35