diff options
| author | David Majnemer <david.majnemer@gmail.com> | 2022-08-31 21:55:12 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2022-09-12 21:15:34 +0000 |
| commit | ab56719acd98778fb2e48fa425ac7c8d27bdea86 (patch) | |
| tree | 940b1cb0ac282f1600a50fba2bd6f31e3a0307b6 /clang/lib/CodeGen/CodeGenModule.cpp | |
| parent | 6607fdf7490c5bf73a8892bc08ed2dba55043ca8 (diff) | |
[clang, llvm] Add __declspec(safebuffers), support it in CodeView
__declspec(safebuffers) is equivalent to
__attribute__((no_stack_protector)). This information is recorded in
CodeView.
While we are here, add support for strict_gs_check.
Diffstat (limited to 'clang/lib/CodeGen/CodeGenModule.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenModule.cpp | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp index f9087cdd5d4d..ad6eb32ccc64 100644 --- a/clang/lib/CodeGen/CodeGenModule.cpp +++ b/clang/lib/CodeGen/CodeGenModule.cpp @@ -1957,14 +1957,17 @@ void CodeGenModule::SetLLVMFunctionAttributesForDefinition(const Decl *D, if (!hasUnwindExceptions(LangOpts)) B.addAttribute(llvm::Attribute::NoUnwind); - if (!D || !D->hasAttr<NoStackProtectorAttr>()) { - if (LangOpts.getStackProtector() == LangOptions::SSPOn) - B.addAttribute(llvm::Attribute::StackProtect); - else if (LangOpts.getStackProtector() == LangOptions::SSPStrong) - B.addAttribute(llvm::Attribute::StackProtectStrong); - else if (LangOpts.getStackProtector() == LangOptions::SSPReq) - B.addAttribute(llvm::Attribute::StackProtectReq); - } + if (D && D->hasAttr<NoStackProtectorAttr>()) + ; // Do nothing. + else if (D && D->hasAttr<StrictGuardStackCheckAttr>() && + LangOpts.getStackProtector() == LangOptions::SSPOn) + B.addAttribute(llvm::Attribute::StackProtectStrong); + else if (LangOpts.getStackProtector() == LangOptions::SSPOn) + B.addAttribute(llvm::Attribute::StackProtect); + else if (LangOpts.getStackProtector() == LangOptions::SSPStrong) + B.addAttribute(llvm::Attribute::StackProtectStrong); + else if (LangOpts.getStackProtector() == LangOptions::SSPReq) + B.addAttribute(llvm::Attribute::StackProtectReq); if (!D) { // If we don't have a declaration to control inlining, the function isn't |