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[asan] fix 32-bit builds

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173338 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kostya Serebryany 2013-01-24 10:43:50 +00:00
parent 0afa33115c
commit 29f975f8ff
1 changed files with 3 additions and 3 deletions
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6
lib/Transforms/Instrumentation/AddressSanitizer.cpp
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@ -875,15 +875,15 @@ bool AddressSanitizerModule::runOnModule(Module &M) {
Value *FirstDynamic = 0, *LastDynamic = 0;
for (size_t i = 0; i < n; i++) {
static const size_t kMaxGlobalRedzone = 1 << 18;
static const uint64_t kMaxGlobalRedzone = 1 << 18;
GlobalVariable *G = GlobalsToChange[i];
PointerType *PtrTy = cast<PointerType>(G->getType());
Type *Ty = PtrTy->getElementType();
uint64_t SizeInBytes = TD->getTypeAllocSize(Ty);
size_t MinRZ = RedzoneSize();
uint64_t MinRZ = RedzoneSize();
// MinRZ <= RZ <= kMaxGlobalRedzone
// and trying to make RZ to be ~ 1/4 of SizeInBytes.
size_t RZ = std::max(MinRZ,
uint64_t RZ = std::max(MinRZ,
std::min(kMaxGlobalRedzone,
(SizeInBytes / MinRZ / 4) * MinRZ));
uint64_t RightRedzoneSize = RZ;