Files
Ryan Prichard 6024e5c395 Update prebuilt Clang to r547379 (20.0.0).
clang 20.0.0 (based on r547379) from build 12806354.

Bug: http://b/379133546
Test: N/A
Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b

Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
2025-11-26 14:59:46 -05:00

71 lines
2.5 KiB
C++

//===- AddressSanitizer.h - AddressSanitizer instrumentation ----*- C++ -*-===//
//
// 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 declares the AddressSanitizer class which is a port of the legacy
// AddressSanitizer pass to use the new PassManager infrastructure.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_ADDRESSSANITIZER_H
#define LLVM_TRANSFORMS_INSTRUMENTATION_ADDRESSSANITIZER_H
#include "llvm/IR/PassManager.h"
#include "llvm/Transforms/Instrumentation/AddressSanitizerOptions.h"
namespace llvm {
class Module;
class raw_ostream;
struct AddressSanitizerOptions {
bool CompileKernel = false;
bool Recover = false;
bool UseAfterScope = false;
AsanDetectStackUseAfterReturnMode UseAfterReturn =
AsanDetectStackUseAfterReturnMode::Runtime;
int InstrumentationWithCallsThreshold = 7000;
uint32_t MaxInlinePoisoningSize = 64;
bool InsertVersionCheck = true;
};
/// Public interface to the address sanitizer module pass for instrumenting code
/// to check for various memory errors.
///
/// This adds 'asan.module_ctor' to 'llvm.global_ctors'. This pass may also
/// run intependently of the function address sanitizer.
class AddressSanitizerPass : public PassInfoMixin<AddressSanitizerPass> {
public:
AddressSanitizerPass(const AddressSanitizerOptions &Options,
bool UseGlobalGC = true, bool UseOdrIndicator = true,
AsanDtorKind DestructorKind = AsanDtorKind::Global,
AsanCtorKind ConstructorKind = AsanCtorKind::Global);
PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
void printPipeline(raw_ostream &OS,
function_ref<StringRef(StringRef)> MapClassName2PassName);
static bool isRequired() { return true; }
private:
AddressSanitizerOptions Options;
bool UseGlobalGC;
bool UseOdrIndicator;
AsanDtorKind DestructorKind;
AsanCtorKind ConstructorKind;
};
struct ASanAccessInfo {
const int32_t Packed;
const uint8_t AccessSizeIndex;
const bool IsWrite;
const bool CompileKernel;
explicit ASanAccessInfo(int32_t Packed);
ASanAccessInfo(bool IsWrite, bool CompileKernel, uint8_t AccessSizeIndex);
};
} // namespace llvm
#endif