bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Add kernel-address sanitizer support for freestanding targets

Browse source
This commit is contained in:
Wesley Norris 2022-09-11 19:36:19 -04:00
parent 0416b1a6f6
commit 19714385e0
18 changed files with 142 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

10
compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp
View file

@ -594,6 +594,8 @@ struct LLVMRustSanitizerOptions {
bool SanitizeThread;
bool SanitizeHWAddress;
bool SanitizeHWAddressRecover;
bool SanitizeKernelAddress;
bool SanitizeKernelAddressRecover;
};
extern "C" LLVMRustResult
@ -765,15 +767,17 @@ LLVMRustOptimize(
);
}
if (SanitizerOptions->SanitizeAddress) {
if (SanitizerOptions->SanitizeAddress || SanitizerOptions->SanitizeKernelAddress) {
OptimizerLastEPCallbacks.push_back(
[SanitizerOptions](ModulePassManager &MPM, OptimizationLevel Level) {
auto CompileKernel = SanitizerOptions->SanitizeKernelAddress;
#if LLVM_VERSION_LT(15, 0)
MPM.addPass(RequireAnalysisPass<ASanGlobalsMetadataAnalysis, Module>());
#endif
AddressSanitizerOptions opts = AddressSanitizerOptions{
/*CompileKernel=*/false,
SanitizerOptions->SanitizeAddressRecover,
CompileKernel,
SanitizerOptions->SanitizeAddressRecover
|| SanitizerOptions->SanitizeKernelAddressRecover,
/*UseAfterScope=*/true,
AsanDetectStackUseAfterReturnMode::Runtime,
};