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| author | Xiang1 Zhang <xiang1.zhang@intel.com> | 2022-07-12 10:16:24 +0800 |
|---|---|---|
| committer | Xiang1 Zhang <xiang1.zhang@intel.com> | 2022-07-12 10:17:00 +0800 |
| commit | a45dd3d8140eab78a4554484c2b0435582ee262a (patch) | |
| tree | a9085a80214b8713c07965159e7dda6bb841ff72 /llvm/lib/IR/Module.cpp | |
| parent | 643786213b34c7bd971c14db63dfbae8bb979997 (diff) | |
| download | llvm-a45dd3d8140eab78a4554484c2b0435582ee262a.zip llvm-a45dd3d8140eab78a4554484c2b0435582ee262a.tar.gz llvm-a45dd3d8140eab78a4554484c2b0435582ee262a.tar.bz2 | |
[X86] Support -mstack-protector-guard-symbol
Reviewed By: nickdesaulniers
Differential Revision: https://reviews.llvm.org/D129346
Diffstat (limited to 'llvm/lib/IR/Module.cpp')
| -rw-r--r-- | llvm/lib/IR/Module.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/IR/Module.cpp b/llvm/lib/IR/Module.cpp index 5cd74d5..b51ea45 100644 --- a/llvm/lib/IR/Module.cpp +++ b/llvm/lib/IR/Module.cpp @@ -714,6 +714,18 @@ void Module::setStackProtectorGuardReg(StringRef Reg) { addModuleFlag(ModFlagBehavior::Error, "stack-protector-guard-reg", ID); } +StringRef Module::getStackProtectorGuardSymbol() const { + Metadata *MD = getModuleFlag("stack-protector-guard-symbol"); + if (auto *MDS = dyn_cast_or_null<MDString>(MD)) + return MDS->getString(); + return {}; +} + +void Module::setStackProtectorGuardSymbol(StringRef Symbol) { + MDString *ID = MDString::get(getContext(), Symbol); + addModuleFlag(ModFlagBehavior::Error, "stack-protector-guard-symbol", ID); +} + int Module::getStackProtectorGuardOffset() const { Metadata *MD = getModuleFlag("stack-protector-guard-offset"); if (auto *CI = mdconst::dyn_extract_or_null<ConstantInt>(MD)) |