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Tom Roeder f8bc1a9968 Add Forward Control-Flow Integrity. 
This commit adds a new pass that can inject checks before indirect calls to
make sure that these calls target known locations. It supports three types of
checks and, at compile time, it can take the name of a custom function to call
when an indirect call check fails. The default failure function ignores the
error and continues.

This pass incidentally moves the function JumpInstrTables::transformType from
private to public and makes it static (with a new argument that specifies the
table type to use); this is so that the CFI code can transform function types
at call sites to determine which jump-instruction table to use for the check at
that site.

Also, this removes support for jumptables in ARM, pending further performance
analysis and discussion.

Review: http://reviews.llvm.org/D4167
llvm-svn: 221708
2014-11-11 21:08:02 +00:00
..
AliasAnalysis.h Make AAMDNodes ctor and operator bool (!!!) explicit, mop up bugs and weirdness exposed by it. 2014-10-04 22:44:29 +00:00
AliasSetTracker.h Use AA in LoadCombine 2014-11-03 23:19:16 +00:00
AssumptionTracker.h AssumptionTracker: Don't create temporary CallbackVHs. 2014-10-11 19:13:01 +00:00
BlockFrequencyInfo.h blockfreq: Remove unnecessary template parameters 2014-04-11 23:21:02 +00:00
BlockFrequencyInfoImpl.h Fix typo in comment 2014-10-08 23:30:45 +00:00
BranchProbabilityInfo.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
CallGraph.h Remove Support/IncludeFile.h and its only user. This is actively harmful, since 2014-08-07 20:41:17 +00:00
CallGraphSCCPass.h [C++11] Add 'override' keyword to virtual methods that override their base class. 2014-03-05 07:30:04 +00:00
CallPrinter.h
CaptureTracking.h Match semantics of PointerMayBeCapturedBefore to its name by default 2014-07-21 21:30:22 +00:00
CFG.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
CFGPrinter.h Tweak CFGPrinter to wrap very long names. 2014-08-20 17:38:12 +00:00
CGSCCPassManager.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
CodeMetrics.h Add functions for finding ephemeral values 2014-09-07 13:49:57 +00:00
ConstantFolding.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-14 00:51:57 +00:00
ConstantsScanner.h [Modules] Move InstIterator out of the Support library, where it had no 2014-03-04 10:30:26 +00:00
DependenceAnalysis.h Revert "Analysis: unique_ptr-ify DependenceAnalysis::collectCoeffInfo" 2014-08-26 02:03:38 +00:00
DominanceFrontier.h These functions are not actually defined for NDEBUG or !LLVM_DUMP_ENABLED, so guarding the declarations as well. NFC, silences MSVC warnings in release builds. 2014-10-24 15:16:39 +00:00
DominanceFrontierImpl.h Reduce double set lookups. NFC. 2014-10-10 15:32:50 +00:00
DomPrinter.h
DOTGraphTraitsPass.h Modernize raw_fd_ostream's constructor a bit. 2014-08-25 18:16:47 +00:00
FindUsedTypes.h [C++11] Add 'override' keyword to virtual methods that override their base class. 2014-03-05 07:30:04 +00:00
FunctionTargetTransformInfo.h Add a new pass FunctionTargetTransformInfo. This pass serves as a 2014-09-18 00:34:14 +00:00
InlineCost.h Add functions for finding ephemeral values 2014-09-07 13:49:57 +00:00
InstructionSimplify.h Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.) 2014-09-07 18:57:58 +00:00
Interval.h Remove copy ctors that did the same thing as the default one. 2014-03-11 11:32:49 +00:00
IntervalIterator.h Reduce double set lookups. NFC. 2014-10-10 15:32:50 +00:00
IntervalPartition.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
IVUsers.h Repace SmallPtrSet with SmallPtrSetImpl in function arguments to avoid needing to mention the size. 2014-08-21 05:55:13 +00:00
JumpInstrTableInfo.h Add Forward Control-Flow Integrity. 2014-11-11 21:08:02 +00:00
LazyCallGraph.h Fix typos in comments, NFC 2014-08-29 21:53:01 +00:00
LazyValueInfo.h Make use of @llvm.assume from LazyValueInfo 2014-09-07 20:29:59 +00:00
LibCallAliasAnalysis.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
LibCallSemantics.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
Lint.h
Loads.h AA metadata refactoring (introduce AAMDNodes) 2014-07-24 12:16:19 +00:00
LoopInfo.h Add optimization remarks to the loop unroller and vectorizer. 2014-04-29 14:27:31 +00:00
LoopInfoImpl.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-14 00:51:57 +00:00
LoopIterator.h
LoopPass.h Fix assertion in LICM doFinalization() 2014-09-24 16:48:31 +00:00
MemoryBuiltins.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
MemoryDependenceAnalysis.h Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.) 2014-09-07 18:57:58 +00:00
Passes.h Add a CFL Alias Analysis implementation 2014-09-02 21:43:13 +00:00
PHITransAddr.h Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.) 2014-09-07 18:57:58 +00:00
PostDominators.h Fix typos in comments, NFC 2014-08-29 21:53:01 +00:00
PtrUseVisitor.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
RegionInfo.h These functions are not actually defined for NDEBUG or !LLVM_DUMP_ENABLED, so guarding the declarations as well. NFC, silences MSVC warnings in release builds. 2014-10-24 15:16:39 +00:00
RegionInfoImpl.h Header hygiene: remove using directive and #undef DEBUG_TYPE once we're done. 2014-07-30 00:25:24 +00:00
RegionIterator.h Templatify RegionInfo so it works on MachineBasicBlocks 2014-07-19 18:29:29 +00:00
RegionPass.h [C++11] Add 'override' keyword to virtual methods that override their base class. 2014-03-05 07:30:04 +00:00
RegionPrinter.h
ScalarEvolution.h [ScalarEvolution] Guard dump() with #if 2014-10-27 21:14:41 +00:00
ScalarEvolutionExpander.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
ScalarEvolutionExpressions.h removed circular definitions in comments 2014-07-14 21:51:59 +00:00
ScalarEvolutionNormalization.h
SparsePropagation.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
TargetFolder.h Add CreatePointerBitCastOrAddrSpaceCast to IRBuilder and co. 2014-07-14 17:24:35 +00:00
TargetTransformInfo.h Add a new pass FunctionTargetTransformInfo. This pass serves as a 2014-09-18 00:34:14 +00:00
Trace.h
ValueTracking.h Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.) 2014-09-07 18:57:58 +00:00