File Manager

003 File Manager

Current Path: /usr/src/contrib/llvm-project/llvm/include/llvm/Transforms/Utils

usr / src / contrib / llvm-project / llvm / include / llvm / Transforms / Utils /

📁 ..
📄 AMDGPUEmitPrintf.h(864 B)
📄 ASanStackFrameLayout.h(3.51 KB)
📄 AddDiscriminators.h(1.04 KB)
📄 AssumeBundleBuilder.h(2.29 KB)
📄 BasicBlockUtils.h(20.81 KB)
📄 BreakCriticalEdges.h(1.16 KB)
📄 BuildLibCalls.h(9.67 KB)
📄 BypassSlowDivision.h(2.55 KB)
📄 CallGraphUpdater.h(3.84 KB)
📄 CallPromotionUtils.h(3.41 KB)
📄 CanonicalizeAliases.h(998 B)
📄 CanonicalizeFreezeInLoops.h(1.15 KB)
📄 Cloning.h(12.34 KB)
📄 CodeExtractor.h(9.58 KB)
📄 CodeMoverUtils.h(2.85 KB)
📄 CtorUtils.h(1021 B)
📄 Debugify.h(3.36 KB)
📄 EntryExitInstrumenter.h(1.16 KB)
📄 EscapeEnumerator.h(1.56 KB)
📄 Evaluator.h(4.69 KB)
📄 FunctionComparator.h(17.12 KB)
📄 FunctionImportUtils.h(5.73 KB)
📄 GlobalStatus.h(2.97 KB)
📄 GuardUtils.h(1.92 KB)
📄 ImportedFunctionsInliningStatistics.h(4.35 KB)
📄 InjectTLIMappings.h(1.27 KB)
📄 IntegerDivision.h(2.88 KB)
📄 LCSSA.h(1.56 KB)
📄 LibCallsShrinkWrap.h(908 B)
📄 Local.h(24.77 KB)
📄 LoopRotationUtils.h(1.54 KB)
📄 LoopSimplify.h(2.85 KB)
📄 LoopUtils.h(21.25 KB)
📄 LoopVersioning.h(5.87 KB)
📄 LowerInvoke.h(1.08 KB)
📄 LowerMemIntrinsics.h(2.14 KB)
📄 Mem2Reg.h(921 B)
📄 MisExpect.h(1.81 KB)
📄 ModuleUtils.h(5.04 KB)
📄 NameAnonGlobals.h(1.03 KB)
📄 PredicateInfo.h(7.76 KB)
📄 PromoteMemToReg.h(1.57 KB)
📄 SSAUpdater.h(6.12 KB)
📄 SSAUpdaterBulk.h(3.18 KB)
📄 SSAUpdaterImpl.h(15.75 KB)
📄 SanitizerStats.h(1.53 KB)
📄 ScalarEvolutionExpander.h(17.87 KB)
📄 SimplifyIndVar.h(2.12 KB)
📄 SimplifyLibCalls.h(10.85 KB)
📄 SizeOpts.h(4.84 KB)
📄 SplitModule.h(1.53 KB)
📄 SymbolRewriter.h(5.02 KB)
📄 UnifyFunctionExitNodes.h(1.83 KB)
📄 UniqueInternalLinkageNames.h(1.07 KB)
📄 UnrollLoop.h(6.05 KB)
📄 VNCoercion.h(4.99 KB)
📄 ValueMapper.h(11.67 KB)

Editing: ASanStackFrameLayout.h

//===- ASanStackFrameLayout.h - ComputeASanStackFrameLayout -----*- 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 header defines ComputeASanStackFrameLayout and auxiliary data structs.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_UTILS_ASANSTACKFRAMELAYOUT_H
#define LLVM_TRANSFORMS_UTILS_ASANSTACKFRAMELAYOUT_H
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"

namespace llvm {

class AllocaInst;

// These magic constants should be the same as in
// in asan_internal.h from ASan runtime in compiler-rt.
static const int kAsanStackLeftRedzoneMagic = 0xf1;
static const int kAsanStackMidRedzoneMagic = 0xf2;
static const int kAsanStackRightRedzoneMagic = 0xf3;
static const int kAsanStackUseAfterReturnMagic = 0xf5;
static const int kAsanStackUseAfterScopeMagic = 0xf8;

// Input/output data struct for ComputeASanStackFrameLayout.
struct ASanStackVariableDescription {
  const char *Name;    // Name of the variable that will be displayed by asan
                       // if a stack-related bug is reported.
  uint64_t Size;       // Size of the variable in bytes.
  size_t LifetimeSize; // Size in bytes to use for lifetime analysis check.
                       // Will be rounded up to Granularity.
  size_t Alignment;    // Alignment of the variable (power of 2).
  AllocaInst *AI;      // The actual AllocaInst.
  size_t Offset;       // Offset from the beginning of the frame;
                       // set by ComputeASanStackFrameLayout.
  unsigned Line;       // Line number.
};

// Output data struct for ComputeASanStackFrameLayout.
struct ASanStackFrameLayout {
  size_t Granularity;     // Shadow granularity.
  size_t FrameAlignment;  // Alignment for the entire frame.
  size_t FrameSize;       // Size of the frame in bytes.
};

ASanStackFrameLayout ComputeASanStackFrameLayout(
    // The array of stack variables. The elements may get reordered and changed.
    SmallVectorImpl<ASanStackVariableDescription> &Vars,
    // AddressSanitizer's shadow granularity. Usually 8, may also be 16, 32, 64.
    size_t Granularity,
    // The minimal size of the left-most redzone (header).
    // At least 4 pointer sizes, power of 2, and >= Granularity.
    // The resulting FrameSize should be multiple of MinHeaderSize.
    size_t MinHeaderSize);

// Compute frame description, see DescribeAddressIfStack in ASan runtime.
SmallString<64> ComputeASanStackFrameDescription(
    const SmallVectorImpl<ASanStackVariableDescription> &Vars);

// Returns shadow bytes with marked red zones. This shadow represents the state
// if the stack frame when all local variables are inside of the own scope.
SmallVector<uint8_t, 64>
GetShadowBytes(const SmallVectorImpl<ASanStackVariableDescription> &Vars,
               const ASanStackFrameLayout &Layout);

// Returns shadow bytes with marked red zones and after scope. This shadow
// represents the state if the stack frame when all local variables are outside
// of the own scope.
SmallVector<uint8_t, 64> GetShadowBytesAfterScope(
    // The array of stack variables. The elements may get reordered and changed.
    const SmallVectorImpl<ASanStackVariableDescription> &Vars,
    const ASanStackFrameLayout &Layout);

} // llvm namespace

#endif  // LLVM_TRANSFORMS_UTILS_ASANSTACKFRAMELAYOUT_H

003 File Manager

Editing: ASanStackFrameLayout.h

Upload File

Create Folder