diff options
Diffstat (limited to 'llvm_mode/compare-transform-pass.so.cc')
| -rw-r--r-- | llvm_mode/compare-transform-pass.so.cc | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/llvm_mode/compare-transform-pass.so.cc b/llvm_mode/compare-transform-pass.so.cc index b08bcb8c..2ca70659 100644 --- a/llvm_mode/compare-transform-pass.so.cc +++ b/llvm_mode/compare-transform-pass.so.cc @@ -92,6 +92,7 @@ class CompareTransform : public ModulePass { protected: std::list<std::string> myWhitelist; + int be_quiet = 0; private: bool transformCmps(Module &M, const bool processStrcmp, @@ -350,8 +351,9 @@ bool CompareTransform::transformCmps(Module &M, const bool processStrcmp, } if (!calls.size()) return false; - errs() << "Replacing " << calls.size() - << " calls to strcmp/memcmp/strncmp/strcasecmp/strncasecmp\n"; + if (!be_quiet) + errs() << "Replacing " << calls.size() + << " calls to strcmp/memcmp/strncmp/strcasecmp/strncasecmp\n"; for (auto &callInst : calls) { @@ -409,8 +411,9 @@ bool CompareTransform::transformCmps(Module &M, const bool processStrcmp, if (isSizedcmp && constLen > sizedLen) { constLen = sizedLen; } - errs() << callInst->getCalledFunction()->getName() << ": len " << constLen - << ": " << ConstStr << "\n"; + if (!be_quiet) + errs() << callInst->getCalledFunction()->getName() << ": len " << constLen + << ": " << ConstStr << "\n"; /* split before the call instruction */ BasicBlock *bb = callInst->getParent(); @@ -500,6 +503,8 @@ bool CompareTransform::runOnModule(Module &M) { if (isatty(2) && getenv("AFL_QUIET") == NULL) llvm::errs() << "Running compare-transform-pass by laf.intel@gmail.com, " "extended by heiko@hexco.de\n"; + else + be_quiet = 1; transformCmps(M, true, true, true, true, true); verifyModule(M); |