52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
//===- Transforms/Instrumentation/MemorySanitizer.h - MSan Pass -----------===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines the memoy sanitizer pass.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_MEMORYSANITIZER_H
|
|
#define LLVM_TRANSFORMS_INSTRUMENTATION_MEMORYSANITIZER_H
|
|
|
|
#include "llvm/IR/PassManager.h"
|
|
#include "llvm/Pass.h"
|
|
|
|
namespace llvm {
|
|
|
|
struct MemorySanitizerOptions {
|
|
MemorySanitizerOptions() : MemorySanitizerOptions(0, false, false){};
|
|
MemorySanitizerOptions(int TrackOrigins, bool Recover, bool Kernel);
|
|
bool Kernel;
|
|
int TrackOrigins;
|
|
bool Recover;
|
|
};
|
|
|
|
// Insert MemorySanitizer instrumentation (detection of uninitialized reads)
|
|
FunctionPass *
|
|
createMemorySanitizerLegacyPassPass(MemorySanitizerOptions Options = {});
|
|
|
|
/// A function pass for msan instrumentation.
|
|
///
|
|
/// Instruments functions to detect unitialized reads. This function pass
|
|
/// inserts calls to runtime library functions. If the functions aren't declared
|
|
/// yet, the pass inserts the declarations. Otherwise the existing globals are
|
|
/// used.
|
|
struct MemorySanitizerPass : public PassInfoMixin<MemorySanitizerPass> {
|
|
MemorySanitizerPass(MemorySanitizerOptions Options) : Options(Options) {}
|
|
|
|
PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM);
|
|
PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
|
|
static bool isRequired() { return true; }
|
|
|
|
private:
|
|
MemorySanitizerOptions Options;
|
|
};
|
|
}
|
|
|
|
#endif /* LLVM_TRANSFORMS_INSTRUMENTATION_MEMORYSANITIZER_H */
|