Mercurial > hg > CbC > CbC_llvm
view compiler-rt/test/fuzzer/ThreeFunctionsTest.cpp @ 256:7d9b19ec7a62
cbclang output is still wrong
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Fri, 18 Aug 2023 18:48:47 +0900 |
parents | 1d019706d866 |
children |
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // Find "FUZZME", the target has 3 different functions. // // This test, and the accompanying lit tests // (dataflow.test, only-some-bytes.test) assume that the compiler // instruments functions in their lexical order. // This assumption is not guaranteed, but it is likely to hold. // It allows to simplify the test quite a bit: in the lit tests // LLVMFuzzerTestOneInput is "F0", Func1 is "F1", Func2 is "F2". #include <assert.h> #include <cstddef> #include <cstdint> #include <cstdlib> #include <cstdio> extern "C" bool Func1(const uint8_t *Data, size_t Size); extern "C" bool Func2(const uint8_t *Data, size_t Size); extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { if (Size >= 5 && Data[0] == 'F' && Data[1] == 'U' && Data[2] == 'Z' && Data[3] == 'Z' && Func1(Data, Size) && Func2(Data, Size)) { fprintf(stderr, "BINGO\n"); abort(); } return 0; } extern "C" __attribute__((noinline)) bool Func1(const uint8_t *Data, size_t Size) { // assumes Size >= 5, doesn't check it. return Data[4] == 'M'; } extern "C" __attribute__((noinline)) bool Func2(const uint8_t *Data, size_t Size) { return Size >= 6 && Data[5] == 'E'; }