[PATCH] D22714: stop short-circuiting the SSP code for sspstrong
Daniel Micay via llvm-commits
llvm-commits at lists.llvm.org
Tue Aug 9 15:18:09 PDT 2016
strcat updated this revision to Diff 67422.
https://reviews.llvm.org/D22714
Files:
lib/CodeGen/StackProtector.cpp
Index: lib/CodeGen/StackProtector.cpp
===================================================================
--- lib/CodeGen/StackProtector.cpp
+++ lib/CodeGen/StackProtector.cpp
@@ -236,6 +236,11 @@
for (const Instruction &I : BB) {
if (const AllocaInst *AI = dyn_cast<AllocaInst>(&I)) {
if (AI->isArrayAllocation()) {
+ // SSP-Strong: Enable protectors for any call to alloca, regardless
+ // of size.
+ if (Strong)
+ return true;
+
if (const auto *CI = dyn_cast<ConstantInt>(AI->getArraySize())) {
if (CI->getLimitedValue(SSPBufferSize) >= SSPBufferSize) {
// A call to alloca with size >= SSPBufferSize requires
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