Generate list of implemented classes and categories in their
own sections (related to objc2 nonfragile abi).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63418 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGObjCMac.cpp b/lib/CodeGen/CGObjCMac.cpp
index cf7010a..67ef1ae 100644
--- a/lib/CodeGen/CGObjCMac.cpp
+++ b/lib/CodeGen/CGObjCMac.cpp
@@ -3144,6 +3144,59 @@
void CGObjCNonFragileABIMac::FinishNonFragileABIModule() {
// nonfragile abi has no module definition.
+
+ // Build list of all implemented classe addresses in array
+ // L_OBJC_LABEL_CLASS_$.
+ // FIXME. Also generate in L_OBJC_LABEL_NONLAZY_CLASS_$
+ // list of 'nonlazy' implementations (defined as those with a +load{}
+ // method!!).
+ unsigned NumClasses = DefinedClasses.size();
+ if (NumClasses) {
+ std::vector<llvm::Constant*> Symbols(NumClasses);
+ for (unsigned i=0; i<NumClasses; i++)
+ Symbols[i] = llvm::ConstantExpr::getBitCast(DefinedClasses[i],
+ ObjCTypes.Int8PtrTy);
+ llvm::Constant* Init =
+ llvm::ConstantArray::get(llvm::ArrayType::get(ObjCTypes.Int8PtrTy,
+ NumClasses),
+ Symbols);
+
+ llvm::GlobalVariable *GV =
+ new llvm::GlobalVariable(Init->getType(), false,
+ llvm::GlobalValue::InternalLinkage,
+ Init,
+ "\01L_OBJC_LABEL_CLASS_$",
+ &CGM.getModule());
+ GV->setSection("__DATA, __objc_classlist, regular, no_dead_strip");
+ UsedGlobals.push_back(GV);
+ }
+
+ // Build list of all implemented category addresses in array
+ // L_OBJC_LABEL_CATEGORY_$.
+ // FIXME. Also generate in L_OBJC_LABEL_NONLAZY_CATEGORY_$
+ // list of 'nonlazy' category implementations (defined as those with a +load{}
+ // method!!).
+ unsigned NumCategory = DefinedCategories.size();
+ if (NumCategory) {
+ std::vector<llvm::Constant*> Symbols(NumCategory);
+ for (unsigned i=0; i<NumCategory; i++)
+ Symbols[i] = llvm::ConstantExpr::getBitCast(DefinedCategories[i],
+ ObjCTypes.Int8PtrTy);
+ llvm::Constant* Init =
+ llvm::ConstantArray::get(llvm::ArrayType::get(ObjCTypes.Int8PtrTy,
+ NumCategory),
+ Symbols);
+
+ llvm::GlobalVariable *GV =
+ new llvm::GlobalVariable(Init->getType(), false,
+ llvm::GlobalValue::InternalLinkage,
+ Init,
+ "\01L_OBJC_LABEL_CATEGORY_$",
+ &CGM.getModule());
+ GV->setSection("__DATA, __objc_catlist, regular, no_dead_strip");
+ UsedGlobals.push_back(GV);
+ }
+
std::vector<llvm::Constant*> Used;
for (std::vector<llvm::GlobalVariable*>::iterator i = UsedGlobals.begin(),
e = UsedGlobals.end(); i != e; ++i) {
@@ -3456,7 +3509,9 @@
ID);
TClassName = ObjCClassName + ClassName;
- BuildClassMetaData(TClassName, MetaTClass, SuperClassGV, CLASS_RO_GV);
+ llvm::GlobalVariable *ClassMD =
+ BuildClassMetaData(TClassName, MetaTClass, SuperClassGV, CLASS_RO_GV);
+ DefinedClasses.push_back(ClassMD);
}
/// GenerateProtocolRef - This routine is called to generate code for