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tests: Provide main(...) function in fuzzer

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This commit is contained in:
practicalswift 2020-06-23 20:05:43 +00:00
parent 80fd474e40
commit 1087807b2b
1 changed files with 12 additions and 4 deletions
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16
src/test/fuzz/fuzz.cpp
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@ -12,7 +12,16 @@
const std::function<void(const std::string&)> G_TEST_LOG_FUN{};
#if defined(__AFL_COMPILER)
// Decide if main(...) should be provided:
// * AFL needs main(...) regardless of platform.
// * macOS handles __attribute__((weak)) main(...) poorly when linking
// against libFuzzer. See https://github.com/bitcoin/bitcoin/pull/18008
// for details.
#if defined(__AFL_COMPILER) || !defined(MAC_OSX)
#define PROVIDE_MAIN_FUNCTION
#endif
#if defined(PROVIDE_MAIN_FUNCTION)
static bool read_stdin(std::vector<uint8_t>& data)
{
uint8_t buffer[1024];
@ -44,9 +53,8 @@ extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv)
return 0;
}
// Generally, the fuzzer will provide main(), except for AFL
#if defined(__AFL_COMPILER)
int main(int argc, char** argv)
#if defined(PROVIDE_MAIN_FUNCTION)
__attribute__((weak)) int main(int argc, char** argv)
{
initialize();
#ifdef __AFL_INIT