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[asan] add the name of the module to the description of a global variable. This improves the readability of global-buffer-overflow reports.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146698 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kostya Serebryany 2011-12-15 22:55:55 +00:00
parent d239ff67f2
commit a4b2b1d8fb
1 changed files with 5 additions and 1 deletions
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6
lib/Transforms/Instrumentation/AddressSanitizer.cpp
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@ -521,7 +521,11 @@ bool AddressSanitizer::insertGlobalRedzones(Module &M) {
NewTy, G->getInitializer(),
Constant::getNullValue(RightRedZoneTy), NULL);
GlobalVariable *Name = createPrivateGlobalForString(M, G->getName());
SmallString<2048> DescriptionOfGlobal = G->getName();
DescriptionOfGlobal += " (";
DescriptionOfGlobal += M.getModuleIdentifier();
DescriptionOfGlobal += ")";
GlobalVariable *Name = createPrivateGlobalForString(M, DescriptionOfGlobal);
// Create a new global variable with enough space for a redzone.
GlobalVariable *NewGlobal = new GlobalVariable(