From f14642f2f185f9af290f9fcace4851adbbe16432 Mon Sep 17 00:00:00 2001
From: Dmitry Mikulin <dmitry.mikulin@sony.com>
Date: Tue, 15 Oct 2019 18:31:10 +0000
Subject: Added support for "#pragma clang section relro=<name>"

Differential Revision: https://reviews.llvm.org/D68806

llvm-svn: 374934
---
 clang/lib/CodeGen/CGDecl.cpp        | 2 ++
 clang/lib/CodeGen/CodeGenModule.cpp | 3 +++
 2 files changed, 5 insertions(+)

(limited to 'clang/lib/CodeGen')

diff --git a/clang/lib/CodeGen/CGDecl.cpp b/clang/lib/CodeGen/CGDecl.cpp
index 46ea9c32eee..563841c068f 100644
--- a/clang/lib/CodeGen/CGDecl.cpp
+++ b/clang/lib/CodeGen/CGDecl.cpp
@@ -419,6 +419,8 @@ void CodeGenFunction::EmitStaticVarDecl(const VarDecl &D,
     var->addAttribute("data-section", SA->getName());
   if (auto *SA = D.getAttr<PragmaClangRodataSectionAttr>())
     var->addAttribute("rodata-section", SA->getName());
+  if (auto *SA = D.getAttr<PragmaClangRelroSectionAttr>())
+    var->addAttribute("relro-section", SA->getName());
 
   if (const SectionAttr *SA = D.getAttr<SectionAttr>())
     var->setSection(SA->getName());
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index eab48ccb9b7..c97e7b22170 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -1717,6 +1717,8 @@ void CodeGenModule::setNonAliasAttributes(GlobalDecl GD,
         GV->addAttribute("data-section", SA->getName());
       if (auto *SA = D->getAttr<PragmaClangRodataSectionAttr>())
         GV->addAttribute("rodata-section", SA->getName());
+      if (auto *SA = D->getAttr<PragmaClangRelroSectionAttr>())
+        GV->addAttribute("relro-section", SA->getName());
     }
 
     if (auto *F = dyn_cast<llvm::Function>(GO)) {
@@ -4118,6 +4120,7 @@ static bool isVarDeclStrongDefinition(const ASTContext &Context,
   // If no specialized section name is applicable, it will resort to default.
   if (D->hasAttr<PragmaClangBSSSectionAttr>() ||
       D->hasAttr<PragmaClangDataSectionAttr>() ||
+      D->hasAttr<PragmaClangRelroSectionAttr>() ||
       D->hasAttr<PragmaClangRodataSectionAttr>())
     return true;
 
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