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| author | Vedant Kumar <vsk@apple.com> | 2017-12-08 01:51:47 +0000 |
|---|---|---|
| committer | Vedant Kumar <vsk@apple.com> | 2017-12-08 01:51:47 +0000 |
| commit | 36347d917f72eaf2c625369761a8dda95bea10b1 (patch) | |
| tree | 48a9697b1cb67045d12f8f749d65464ce6a7c2ca /clang/lib/CodeGen/CodeGenFunction.h | |
| parent | 9c36859b33b386fbfa9599646de1e2ae01158180 (diff) | |
| download | bcm5719-llvm-36347d917f72eaf2c625369761a8dda95bea10b1.tar.gz bcm5719-llvm-36347d917f72eaf2c625369761a8dda95bea10b1.zip | |
[ubsan] Use pass_object_size info in bounds checks
Teach UBSan's bounds check to opportunistically use pass_object_size
information to check array accesses.
rdar://33272922
llvm-svn: 320128
Diffstat (limited to 'clang/lib/CodeGen/CodeGenFunction.h')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenFunction.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h index 1c8c2a5e360..1a66533f235 100644 --- a/clang/lib/CodeGen/CodeGenFunction.h +++ b/clang/lib/CodeGen/CodeGenFunction.h @@ -3927,6 +3927,11 @@ public: LValueBaseInfo *BaseInfo = nullptr, TBAAAccessInfo *TBAAInfo = nullptr); + /// If \p E references a parameter with pass_object_size info or a constant + /// array size modifier, emit the object size divided by the size of \p EltTy. + /// Otherwise return null. + llvm::Value *LoadPassedObjectSize(const Expr *E, QualType EltTy); + void EmitSanitizerStatReport(llvm::SanitizerStatKind SSK); private: |
