first batch of changes

1 files changed, 0 insertions, 212 deletions

diff --git a/llvm_mode/cmplog-routines-pass.cc b/llvm_mode/cmplog-routines-pass.cc
deleted file mode 100644
index c44f38c4..00000000
--- a/llvm_mode/cmplog-routines-pass.cc
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
-   american fuzzy lop++ - LLVM CmpLog instrumentation
-   --------------------------------------------------
-
-   Written by Andrea Fioraldi <andreafioraldi@gmail.com>
-
-   Copyright 2015, 2016 Google Inc. All rights reserved.
-   Copyright 2019-2020 AFLplusplus Project. All rights reserved.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at:
-
-     http://www.apache.org/licenses/LICENSE-2.0
-
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include <list>
-#include <string>
-#include <fstream>
-#include <sys/time.h>
-#include "llvm/Config/llvm-config.h"
-
-#include "llvm/ADT/Statistic.h"
-#include "llvm/IR/IRBuilder.h"
-#include "llvm/IR/LegacyPassManager.h"
-#include "llvm/IR/Module.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/Transforms/IPO/PassManagerBuilder.h"
-#include "llvm/Transforms/Utils/BasicBlockUtils.h"
-#include "llvm/Pass.h"
-#include "llvm/Analysis/ValueTracking.h"
-
-#if LLVM_VERSION_MAJOR > 3 || \
-    (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR > 4)
-  #include "llvm/IR/Verifier.h"
-  #include "llvm/IR/DebugInfo.h"
-#else
-  #include "llvm/Analysis/Verifier.h"
-  #include "llvm/DebugInfo.h"
-  #define nullptr 0
-#endif
-
-#include <set>
-#include "afl-llvm-common.h"
-
-using namespace llvm;
-
-namespace {
-
-class CmpLogRoutines : public ModulePass {
-
- public:
-  static char ID;
-  CmpLogRoutines() : ModulePass(ID) {
-
-    initInstrumentList();
-
-  }
-
-  bool runOnModule(Module &M) override;
-
-#if LLVM_VERSION_MAJOR < 4
-  const char *getPassName() const override {
-
-#else
-  StringRef getPassName() const override {
-
-#endif
-    return "cmplog routines";
-
-  }
-
- private:
-  bool hookRtns(Module &M);
-
-};
-
-}  // namespace
-
-char CmpLogRoutines::ID = 0;
-
-bool CmpLogRoutines::hookRtns(Module &M) {
-
-  std::vector<CallInst *> calls;
-  LLVMContext &           C = M.getContext();
-
-  Type *VoidTy = Type::getVoidTy(C);
-  // PointerType *VoidPtrTy = PointerType::get(VoidTy, 0);
-  IntegerType *Int8Ty = IntegerType::getInt8Ty(C);
-  PointerType *i8PtrTy = PointerType::get(Int8Ty, 0);
-
-#if LLVM_VERSION_MAJOR < 9
-  Constant *
-#else
-  FunctionCallee
-#endif
-      c = M.getOrInsertFunction("__cmplog_rtn_hook", VoidTy, i8PtrTy, i8PtrTy
-#if LLVM_VERSION_MAJOR < 5
-                                ,
-                                NULL
-#endif
-      );
-#if LLVM_VERSION_MAJOR < 9
-  Function *cmplogHookFn = cast<Function>(c);
-#else
-  FunctionCallee cmplogHookFn = c;
-#endif
-
-  /* iterate over all functions, bbs and instruction and add suitable calls */
-  for (auto &F : M) {
-
-    if (!isInInstrumentList(&F)) continue;
-
-    for (auto &BB : F) {
-
-      for (auto &IN : BB) {
-
-        CallInst *callInst = nullptr;
-
-        if ((callInst = dyn_cast<CallInst>(&IN))) {
-
-          Function *Callee = callInst->getCalledFunction();
-          if (!Callee) continue;
-          if (callInst->getCallingConv() != llvm::CallingConv::C) continue;
-
-          FunctionType *FT = Callee->getFunctionType();
-
-          bool isPtrRtn = FT->getNumParams() >= 2 &&
-                          !FT->getReturnType()->isVoidTy() &&
-                          FT->getParamType(0) == FT->getParamType(1) &&
-                          FT->getParamType(0)->isPointerTy();
-
-          if (!isPtrRtn) continue;
-
-          calls.push_back(callInst);
-
-        }
-
-      }
-
-    }
-
-  }
-
-  if (!calls.size()) return false;
-  if (!be_quiet)
-    errs() << "Hooking " << calls.size()
-           << " calls with pointers as arguments\n";
-
-  for (auto &callInst : calls) {
-
-    Value *v1P = callInst->getArgOperand(0), *v2P = callInst->getArgOperand(1);
-
-    IRBuilder<> IRB(callInst->getParent());
-    IRB.SetInsertPoint(callInst);
-
-    std::vector<Value *> args;
-    Value *              v1Pcasted = IRB.CreatePointerCast(v1P, i8PtrTy);
-    Value *              v2Pcasted = IRB.CreatePointerCast(v2P, i8PtrTy);
-    args.push_back(v1Pcasted);
-    args.push_back(v2Pcasted);
-
-    IRB.CreateCall(cmplogHookFn, args);
-
-    // errs() << callInst->getCalledFunction()->getName() << "\n";
-
-  }
-
-  return true;
-
-}
-
-bool CmpLogRoutines::runOnModule(Module &M) {
-
-  if (getenv("AFL_QUIET") == NULL)
-    llvm::errs()
-        << "Running cmplog-routines-pass by andreafioraldi@gmail.com\n";
-  else
-    be_quiet = 1;
-  hookRtns(M);
-  verifyModule(M);
-
-  return true;
-
-}
-
-static void registerCmpLogRoutinesPass(const PassManagerBuilder &,
-                                       legacy::PassManagerBase &PM) {
-
-  auto p = new CmpLogRoutines();
-  PM.add(p);
-
-}
-
-static RegisterStandardPasses RegisterCmpLogRoutinesPass(
-    PassManagerBuilder::EP_OptimizerLast, registerCmpLogRoutinesPass);
-
-static RegisterStandardPasses RegisterCmpLogRoutinesPass0(
-    PassManagerBuilder::EP_EnabledOnOptLevel0, registerCmpLogRoutinesPass);
-
-#if LLVM_VERSION_MAJOR >= 11
-static RegisterStandardPasses RegisterCmpLogRoutinesPassLTO(
-    PassManagerBuilder::EP_FullLinkTimeOptimizationLast,
-    registerCmpLogRoutinesPass);
-#endif
-