diff options
author | vanhauser-thc <vh@thc.org> | 2021-11-23 19:09:44 +0100 |
---|---|---|
committer | vanhauser-thc <vh@thc.org> | 2021-11-23 19:09:44 +0100 |
commit | a0cc3dc1017e912e623ec8773e2eda5b70970e23 (patch) | |
tree | 54c6c845efb5dea3073a80a3f39160d2591e231d /instrumentation/afl-llvm-pass.so.cc | |
parent | d50da14f600ae7f50552fc7ad930a0accaa05b09 (diff) | |
download | afl++-a0cc3dc1017e912e623ec8773e2eda5b70970e23.tar.gz |
llvm new passmanager fixes
Diffstat (limited to 'instrumentation/afl-llvm-pass.so.cc')
-rw-r--r-- | instrumentation/afl-llvm-pass.so.cc | 105 |
1 files changed, 64 insertions, 41 deletions
diff --git a/instrumentation/afl-llvm-pass.so.cc b/instrumentation/afl-llvm-pass.so.cc index 41a3e178..9430644e 100644 --- a/instrumentation/afl-llvm-pass.so.cc +++ b/instrumentation/afl-llvm-pass.so.cc @@ -45,18 +45,21 @@ typedef long double max_align_t; #endif #include "llvm/IR/IRBuilder.h" -#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */ -#include "llvm/Passes/PassPlugin.h" -#include "llvm/Passes/PassBuilder.h" -#include "llvm/IR/PassManager.h" +#if LLVM_VERSION_MAJOR >= 11 /* use new pass manager */ + #include "llvm/Passes/PassPlugin.h" + #include "llvm/Passes/PassBuilder.h" + #include "llvm/IR/PassManager.h" #else -#include "llvm/IR/LegacyPassManager.h" -#include "llvm/Transforms/IPO/PassManagerBuilder.h" + #include "llvm/IR/LegacyPassManager.h" + #include "llvm/Transforms/IPO/PassManagerBuilder.h" #endif #include "llvm/IR/BasicBlock.h" #include "llvm/IR/Module.h" #include "llvm/Support/Debug.h" #include "llvm/Support/MathExtras.h" +#if LLVM_VERSION_MAJOR >= 14 /* how about stable interfaces? */ + #include "llvm/Passes/OptimizationLevel.h" +#endif #if LLVM_VERSION_MAJOR > 3 || \ (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR > 4) @@ -74,22 +77,26 @@ using namespace llvm; namespace { -#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */ +#if LLVM_VERSION_MAJOR >= 11 /* use new pass manager */ class AFLCoverage : public PassInfoMixin<AFLCoverage> { + public: AFLCoverage() { + #else class AFLCoverage : public ModulePass { + public: static char ID; AFLCoverage() : ModulePass(ID) { + #endif initInstrumentList(); } -#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */ +#if LLVM_VERSION_MAJOR >= 11 /* use new pass manager */ PreservedAnalyses run(Module &M, ModuleAnalysisManager &MAM); #else bool runOnModule(Module &M) override; @@ -107,37 +114,51 @@ class AFLCoverage : public ModulePass { } // namespace -#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */ +#if LLVM_VERSION_MAJOR >= 11 /* use new pass manager */ extern "C" ::llvm::PassPluginLibraryInfo LLVM_ATTRIBUTE_WEAK llvmGetPassPluginInfo() { - return { - LLVM_PLUGIN_API_VERSION, "AFLCoverage", "v0.1", - /* lambda to insert our pass into the pass pipeline. */ - [](PassBuilder &PB) { -#if 1 - using OptimizationLevel = typename PassBuilder::OptimizationLevel; - PB.registerOptimizerLastEPCallback( - [](ModulePassManager &MPM, OptimizationLevel OL) { - MPM.addPass(AFLCoverage()); - } - ); -/* TODO LTO registration */ -#else - using PipelineElement = typename PassBuilder::PipelineElement; - PB.registerPipelineParsingCallback( - [](StringRef Name, ModulePassManager &MPM, ArrayRef<PipelineElement>) { - if ( Name == "AFLCoverage" ) { - MPM.addPass(AFLCoverage()); - return true; - } else { - return false; - } - } - ); -#endif - } - }; + + return {LLVM_PLUGIN_API_VERSION, "AFLCoverage", "v0.1", + /* lambda to insert our pass into the pass pipeline. */ + [](PassBuilder &PB) { + + #if 1 + #if LLVM_VERSION_MAJOR <= 13 + using OptimizationLevel = typename PassBuilder::OptimizationLevel; + #endif + PB.registerOptimizerLastEPCallback( + [](ModulePassManager &MPM, OptimizationLevel OL) { + + MPM.addPass(AFLCoverage()); + + }); + + /* TODO LTO registration */ + #else + using PipelineElement = typename PassBuilder::PipelineElement; + PB.registerPipelineParsingCallback([](StringRef Name, + ModulePassManager &MPM, + ArrayRef<PipelineElement>) { + + if (Name == "AFLCoverage") { + + MPM.addPass(AFLCoverage()); + return true; + + } else { + + return false; + + } + + }); + + #endif + + }}; + } + #else char AFLCoverage::ID = 0; @@ -168,11 +189,12 @@ uint64_t PowerOf2Ceil(unsigned in) { #define AFL_HAVE_VECTOR_INTRINSICS 1 #endif - -#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */ +#if LLVM_VERSION_MAJOR >= 11 /* use new pass manager */ PreservedAnalyses AFLCoverage::run(Module &M, ModuleAnalysisManager &MAM) { + #else bool AFLCoverage::runOnModule(Module &M) { + #endif LLVMContext &C = M.getContext(); @@ -188,7 +210,7 @@ bool AFLCoverage::runOnModule(Module &M) { u32 rand_seed; unsigned int cur_loc = 0; -#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */ +#if LLVM_VERSION_MAJOR >= 11 /* use new pass manager */ auto PA = PreservedAnalyses::all(); #endif @@ -1029,7 +1051,7 @@ bool AFLCoverage::runOnModule(Module &M) { } -#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */ +#if LLVM_VERSION_MAJOR >= 11 /* use new pass manager */ return PA; #else return true; @@ -1037,7 +1059,7 @@ bool AFLCoverage::runOnModule(Module &M) { } -#if LLVM_VERSION_MAJOR < 7 /* use old pass manager */ +#if LLVM_VERSION_MAJOR < 11 /* use old pass manager */ static void registerAFLPass(const PassManagerBuilder &, legacy::PassManagerBase &PM) { @@ -1051,3 +1073,4 @@ static RegisterStandardPasses RegisterAFLPass( static RegisterStandardPasses RegisterAFLPass0( PassManagerBuilder::EP_EnabledOnOptLevel0, registerAFLPass); #endif + |