Author: morehouse Date: Fri Aug 18 11:34:39 2017 New Revision: 311185 URL: http://llvm.org/viewvc/llvm-project?rev=311185&view=rev Log: [clang-proto-fuzzer] Allow user-specified compiler arguments.
Summary: Arguments can be specified after -ignore_remaining_args=1 to modify the compiler invocation. For example, the following command-line will fuzz LLVM with a custom optimization level and target triple: clang-proto-fuzzer CORPUS/ -ignore_remaining_args -O3 \ -triple arm64-apple-ios9 Reviewers: vitalybuka, kcc Reviewed By: vitalybuka Subscribers: aemerson, cfe-commits, kristof.beyls Differential Revision: https://reviews.llvm.org/D36882 Modified: cfe/trunk/tools/clang-fuzzer/ExampleClangProtoFuzzer.cpp Modified: cfe/trunk/tools/clang-fuzzer/ExampleClangProtoFuzzer.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/clang-fuzzer/ExampleClangProtoFuzzer.cpp?rev=311185&r1=311184&r2=311185&view=diff ============================================================================== --- cfe/trunk/tools/clang-fuzzer/ExampleClangProtoFuzzer.cpp (original) +++ cfe/trunk/tools/clang-fuzzer/ExampleClangProtoFuzzer.cpp Fri Aug 18 11:34:39 2017 @@ -20,9 +20,25 @@ #include "src/libfuzzer/libfuzzer_macro.h" +#include <cstring> + using namespace clang_fuzzer; +static std::vector<const char *> CLArgs; + +extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv) { + CLArgs.push_back("-O2"); + for (int I = 1; I < *argc; I++) { + if (strcmp((*argv)[I], "-ignore_remaining_args=1") == 0) { + for (I++; I < *argc; I++) + CLArgs.push_back((*argv)[I]); + break; + } + } + return 0; +} + DEFINE_BINARY_PROTO_FUZZER(const Function& input) { auto S = FunctionToString(input); - HandleCXX(S, {"-O2"}); + HandleCXX(S, CLArgs); } _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits