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Apparently, the style needs to be agreed upon first. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240390 91177308-0d34-0410-b5e6-96231b3b80d8
142 lines
4.6 KiB
C++
142 lines
4.6 KiB
C++
//===- Transforms/Instrumentation.h - Instrumentation passes ----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines constructor functions for instrumentation passes.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_H
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#define LLVM_TRANSFORMS_INSTRUMENTATION_H
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#include "llvm/ADT/StringRef.h"
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#include <vector>
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#if defined(__GNUC__) && defined(__linux__) && !defined(ANDROID)
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inline void *getDFSanArgTLSPtrForJIT() {
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extern __thread __attribute__((tls_model("initial-exec")))
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void *__dfsan_arg_tls;
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return (void *)&__dfsan_arg_tls;
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}
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inline void *getDFSanRetValTLSPtrForJIT() {
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extern __thread __attribute__((tls_model("initial-exec")))
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void *__dfsan_retval_tls;
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return (void *)&__dfsan_retval_tls;
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}
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#endif
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namespace llvm {
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class ModulePass;
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class FunctionPass;
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// Insert GCOV profiling instrumentation
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struct GCOVOptions {
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static GCOVOptions getDefault();
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// Specify whether to emit .gcno files.
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bool EmitNotes;
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// Specify whether to modify the program to emit .gcda files when run.
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bool EmitData;
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// A four-byte version string. The meaning of a version string is described in
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// gcc's gcov-io.h
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char Version[4];
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// Emit a "cfg checksum" that follows the "line number checksum" of a
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// function. This affects both .gcno and .gcda files.
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bool UseCfgChecksum;
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// Add the 'noredzone' attribute to added runtime library calls.
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bool NoRedZone;
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// Emit the name of the function in the .gcda files. This is redundant, as
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// the function identifier can be used to find the name from the .gcno file.
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bool FunctionNamesInData;
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// Emit the exit block immediately after the start block, rather than after
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// all of the function body's blocks.
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bool ExitBlockBeforeBody;
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};
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ModulePass *createGCOVProfilerPass(const GCOVOptions &Options =
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GCOVOptions::getDefault());
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/// Options for the frontend instrumentation based profiling pass.
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struct InstrProfOptions {
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InstrProfOptions() : NoRedZone(false) {}
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// Add the 'noredzone' attribute to added runtime library calls.
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bool NoRedZone;
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// Name of the profile file to use as output
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std::string InstrProfileOutput;
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};
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/// Insert frontend instrumentation based profiling.
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ModulePass *createInstrProfilingPass(
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const InstrProfOptions &Options = InstrProfOptions());
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// Insert AddressSanitizer (address sanity checking) instrumentation
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FunctionPass *createAddressSanitizerFunctionPass(bool CompileKernel = false);
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ModulePass *createAddressSanitizerModulePass(bool CompileKernel = false);
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// Insert MemorySanitizer instrumentation (detection of uninitialized reads)
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FunctionPass *createMemorySanitizerPass(int TrackOrigins = 0);
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// Insert ThreadSanitizer (race detection) instrumentation
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FunctionPass *createThreadSanitizerPass();
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// Insert DataFlowSanitizer (dynamic data flow analysis) instrumentation
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ModulePass *createDataFlowSanitizerPass(
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const std::vector<std::string> &ABIListFiles = std::vector<std::string>(),
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void *(*getArgTLS)() = nullptr, void *(*getRetValTLS)() = nullptr);
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// Options for sanitizer coverage instrumentation.
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struct SanitizerCoverageOptions {
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SanitizerCoverageOptions()
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: CoverageType(SCK_None), IndirectCalls(false), TraceBB(false),
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TraceCmp(false), Use8bitCounters(false) {}
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enum Type {
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SCK_None = 0,
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SCK_Function,
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SCK_BB,
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SCK_Edge
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} CoverageType;
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bool IndirectCalls;
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bool TraceBB;
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bool TraceCmp;
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bool Use8bitCounters;
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};
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// Insert SanitizerCoverage instrumentation.
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ModulePass *createSanitizerCoverageModulePass(
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const SanitizerCoverageOptions &Options = SanitizerCoverageOptions());
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#if defined(__GNUC__) && defined(__linux__) && !defined(ANDROID)
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inline ModulePass *createDataFlowSanitizerPassForJIT(
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const std::vector<std::string> &ABIListFiles = std::vector<std::string>()) {
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return createDataFlowSanitizerPass(ABIListFiles, getDFSanArgTLSPtrForJIT,
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getDFSanRetValTLSPtrForJIT);
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}
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#endif
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// BoundsChecking - This pass instruments the code to perform run-time bounds
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// checking on loads, stores, and other memory intrinsics.
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FunctionPass *createBoundsCheckingPass();
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/// \brief This pass splits the stack into a safe stack and an unsafe stack to
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/// protect against stack-based overflow vulnerabilities.
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FunctionPass *createSafeStackPass();
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} // End llvm namespace
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#endif
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