X86LoadValueInjectionLoadHardening.cpp File Reference

#include "ImmutableGraph.h"
#include "X86.h"
#include "X86Subtarget.h"
#include "X86TargetMachine.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineDominanceFrontier.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/RDFGraph.h"
#include "llvm/CodeGen/RDFLiveness.h"
#include "llvm/InitializePasses.h"
#include "llvm/Support/DOTGraphTraits.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/DynamicLibrary.h"
#include "llvm/Support/GraphWriter.h"
#include "llvm/Support/raw_ostream.h"

Go to the source code of this file.

Classes
struct	llvm::GraphTraits< MachineGadgetGraph * >
struct	llvm::DOTGraphTraits< MachineGadgetGraph * >

Namespaces
namespace	llvm
	This is an optimization pass for GlobalISel generic memory operations.

Macros
#define	PASS_KEY   "x86-lvi-load"
#define	DEBUG_TYPE   PASS_KEY

Typedefs
typedef int(*	OptimizeCutT) (unsigned int *Nodes, unsigned int NodesSize, unsigned int *Edges, int *EdgeValues, int *CutEdges, unsigned int EdgesSize)

Functions
	STATISTIC (NumFences, "Number of LFENCEs inserted for LVI mitigation")
	STATISTIC (NumFunctionsConsidered, "Number of functions analyzed")
	STATISTIC (NumFunctionsMitigated, "Number of functions for which mitigations " "were deployed")
	STATISTIC (NumGadgets, "Number of LVI gadgets detected during analysis")
static void	writeGadgetGraph (raw_ostream &OS, MachineFunction &MF, MachineGadgetGraph *G)
	INITIALIZE_PASS_BEGIN (X86LoadValueInjectionLoadHardeningLegacy, PASS_KEY, "X86 LVI load hardening", false, false) INITIALIZE_PASS_END(X86LoadValueInjectionLoadHardeningLegacy

Variables
static llvm::sys::DynamicLibrary	OptimizeDL
static OptimizeCutT	OptimizeCut = nullptr
	PASS_KEY
X86 LVI load	hardening
X86 LVI load	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   PASS_KEY

Definition at line 68 of file X86LoadValueInjectionLoadHardening.cpp.

PASS_KEY

#define PASS_KEY   "x86-lvi-load"

Definition at line 67 of file X86LoadValueInjectionLoadHardening.cpp.

Typedef Documentation

OptimizeCutT

typedef int(* OptimizeCutT) (unsigned int *Nodes, unsigned int NodesSize, unsigned int *Edges, int *EdgeValues, int *CutEdges, unsigned int EdgesSize)

Definition at line 77 of file X86LoadValueInjectionLoadHardening.cpp.

Function Documentation

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	X86LoadValueInjectionLoadHardeningLegacy	,
		PASS_KEY	,
		"X86 LVI load hardening"	,
		false	,
		false	)

References INITIALIZE_PASS_DEPENDENCY, and PASS_KEY.

STATISTIC() [1/4]

STATISTIC	(	NumFences	,
		"Number of LFENCEs inserted for LVI mitigation"	)

STATISTIC() [2/4]

STATISTIC	(	NumFunctionsConsidered	,
		"Number of functions analyzed"	)

STATISTIC() [3/4]

STATISTIC	(	NumFunctionsMitigated	,
		"Number of functions for which mitigations " "were deployed"	)

STATISTIC() [4/4]

STATISTIC	(	NumGadgets	,
		"Number of LVI gadgets detected during analysis"	)

writeGadgetGraph()

void writeGadgetGraph ( raw_ostream & OS, MachineFunction & MF, MachineGadgetGraph * G )

static

Definition at line 222 of file X86LoadValueInjectionLoadHardening.cpp.

References G, llvm::MachineFunction::getName(), and llvm::WriteGraph().

Variable Documentation

false

X86 LVI load false

Definition at line 813 of file X86LoadValueInjectionLoadHardening.cpp.

hardening

X86 LVI load hardening

Definition at line 813 of file X86LoadValueInjectionLoadHardening.cpp.

OptimizeCut

OptimizeCutT OptimizeCut = nullptr

static

Definition at line 80 of file X86LoadValueInjectionLoadHardening.cpp.

OptimizeDL

llvm::sys::DynamicLibrary OptimizeDL

static

Definition at line 76 of file X86LoadValueInjectionLoadHardening.cpp.

PASS_KEY

PASS_KEY

Definition at line 812 of file X86LoadValueInjectionLoadHardening.cpp.