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//===- Transforms/Instrumentation.h - Instrumentation passes ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines constructor functions for instrumentation passes.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_H
#define LLVM_TRANSFORMS_INSTRUMENTATION_H
#include "llvm/ADT/StringRef.h"
#include <vector>
#if defined(__GNUC__) && defined(__linux__) && !defined(ANDROID)
inline void *getDFSanArgTLSPtrForJIT() {
extern __thread __attribute__((tls_model("initial-exec")))
void *__dfsan_arg_tls;
return (void *)&__dfsan_arg_tls;
}
inline void *getDFSanRetValTLSPtrForJIT() {
extern __thread __attribute__((tls_model("initial-exec")))
void *__dfsan_retval_tls;
return (void *)&__dfsan_retval_tls;
}
#endif
namespace llvm {
class ModulePass;
class FunctionPass;
// Insert GCOV profiling instrumentation
struct GCOVOptions {
static GCOVOptions getDefault();
// Specify whether to emit .gcno files.
bool EmitNotes;
// Specify whether to modify the program to emit .gcda files when run.
bool EmitData;
// A four-byte version string. The meaning of a version string is described in
// gcc's gcov-io.h
char Version[4];
// Emit a "cfg checksum" that follows the "line number checksum" of a
// function. This affects both .gcno and .gcda files.
bool UseCfgChecksum;
// Add the 'noredzone' attribute to added runtime library calls.
bool NoRedZone;
// Emit the name of the function in the .gcda files. This is redundant, as
// the function identifier can be used to find the name from the .gcno file.
bool FunctionNamesInData;
};
ModulePass *createGCOVProfilerPass(const GCOVOptions &Options =
GCOVOptions::getDefault());
/// Options for the frontend instrumentation based profiling pass.
struct InstrProfOptions {
InstrProfOptions() : NoRedZone(false) {}
// Add the 'noredzone' attribute to added runtime library calls.
bool NoRedZone;
};
/// Insert frontend instrumentation based profiling.
ModulePass *createInstrProfilingPass(
const InstrProfOptions &Options = InstrProfOptions());
// Insert AddressSanitizer (address sanity checking) instrumentation
FunctionPass *createAddressSanitizerFunctionPass();
ModulePass *createAddressSanitizerModulePass();
// Insert MemorySanitizer instrumentation (detection of uninitialized reads)
FunctionPass *createMemorySanitizerPass(int TrackOrigins = 0);
// Insert ThreadSanitizer (race detection) instrumentation
FunctionPass *createThreadSanitizerPass();
// Insert DataFlowSanitizer (dynamic data flow analysis) instrumentation
ModulePass *createDataFlowSanitizerPass(
const std::vector<std::string> &ABIListFiles = std::vector<std::string>(),
void *(*getArgTLS)() = nullptr, void *(*getRetValTLS)() = nullptr);
// Insert SanitizerCoverage instrumentation.
ModulePass *createSanitizerCoverageModulePass(int CoverageLevel);
#if defined(__GNUC__) && defined(__linux__) && !defined(ANDROID)
inline ModulePass *createDataFlowSanitizerPassForJIT(
const std::vector<std::string> &ABIListFiles = std::vector<std::string>()) {
return createDataFlowSanitizerPass(ABIListFiles, getDFSanArgTLSPtrForJIT,
getDFSanRetValTLSPtrForJIT);
}
#endif
// BoundsChecking - This pass instruments the code to perform run-time bounds
// checking on loads, stores, and other memory intrinsics.
FunctionPass *createBoundsCheckingPass();
} // End llvm namespace
#endif
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