clang/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 %s
   4 //
   5 // CHECK-COVERAGE:      -fsanitize-coverage-indirect-calls
   6 // CHECK-COVERAGE-SAME: -fsanitize-coverage-trace-cmp
   7 // CHECK-COVERAGE-SAME: -fsanitize-coverage-inline-8bit-counters
   8 // CHECK-COVERAGE-SAME: -fsanitize-coverage-pc-table
   9 // CHECK-FUZZER-LIB: libclang_rt.fuzzer
  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 --target=x86_64-linux-gnu -fsanitize=fuzzer %s -shared -### 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 // Check that we respect whether thes tandard library should be linked
  30 // statically.
  31 //
  32 // RUN: %clang -fsanitize=fuzzer --target=i386-unknown-linux -stdlib=libstdc++ %s -### 2>&1 | FileCheck --check-prefixes=CHECK-LIBSTDCXX-DYNAMIC %s
  33 // CHECK-LIBSTDCXX-DYNAMIC-NOT: -Bstatic
  34 // CHECK-LIBSTDCXX-DYNAMIC: -lstdc++
  35 //
  36 // RUN: %clang -fsanitize=fuzzer --target=i386-unknown-linux -stdlib=libstdc++ -static-libstdc++ %s -### 2>&1 | FileCheck --check-prefixes=CHECK-LIBSTDCXX-STATIC %s
  37 // CHECK-LIBSTDCXX-STATIC: "-Bstatic" "-lstdc++"
  38 //
  39 // RUN: %clang -fsanitize=fuzzer --target=i386-unknown-linux -stdlib=libc++ %s -### 2>&1 | FileCheck --check-prefixes=CHECK-LIBCXX-DYNAMIC %s
  40 // CHECK-LIBCXX-DYNAMIC-NOT: -Bstatic
  41 // CHECK-LIBCXX-DYNAMIC: -lc++
  42 //
  43 // RUN: %clang -fsanitize=fuzzer --target=i386-unknown-linux -stdlib=libc++ -static-libstdc++ %s -### 2>&1 | FileCheck --check-prefixes=CHECK-LIBCXX-STATIC %s
  44 // CHECK-LIBCXX-STATIC: "-Bstatic" "-lc++"
  45
  46 int LLVMFuzzerTestOneInput(const char *Data, long Size) {
  47   return 0;
  48 }