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add imag_info section and data (for objc2 nonfragile abi). 

llvm-svn: 63430
This commit is contained in:
Fariborz Jahanian 2009-01-30 22:07:48 +00:00
parent b6b6f46fe4
commit fa57e8e7ab
1 changed files with 17 additions and 6 deletions
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23
clang/lib/CodeGen/CGObjCMac.cpp
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@ -3197,6 +3197,23 @@ void CGObjCNonFragileABIMac::FinishNonFragileABIModule() {
UsedGlobals.push_back(GV);
}
// static int L_OBJC_IMAGE_INFO[2] = { 0, flags };
// FIXME. flags can be 0 | 1 | 2 | 6. For now just use 0
std::vector<llvm::Constant*> Values(2);
Values[0] = llvm::ConstantInt::get(ObjCTypes.IntTy, 0);
Values[1] = llvm::ConstantInt::get(ObjCTypes.IntTy, 0);
llvm::Constant* Init = llvm::ConstantArray::get(
llvm::ArrayType::get(ObjCTypes.IntTy, 2),
Values);
llvm::GlobalVariable *IMGV =
new llvm::GlobalVariable(Init->getType(), false,
llvm::GlobalValue::InternalLinkage,
Init,
"\01L_OBJC_IMAGE_INFO",
&CGM.getModule());
IMGV->setSection("__DATA, __objc_imageinfo, regular, no_dead_strip");
UsedGlobals.push_back(IMGV);
std::vector<llvm::Constant*> Used;
for (std::vector<llvm::GlobalVariable*>::iterator i = UsedGlobals.begin(),
e = UsedGlobals.end(); i != e; ++i) {
@ -3361,8 +3378,6 @@ llvm::GlobalVariable * CGObjCNonFragileABIMac::BuildClassMetaData(
&CGM.getModule());
GV->setSection("__DATA, __objc_const");
UsedGlobals.push_back(GV);
// FIXME! why?
GV->setAlignment(32);
return GV;
}
@ -3836,8 +3851,6 @@ llvm::Constant *CGObjCNonFragileABIMac::GetOrEmitProtocolRef(
&CGM.getModule());
Entry->setSection("__DATA,__datacoal_nt,coalesced");
UsedGlobals.push_back(Entry);
// FIXME: Is this necessary? Why only for protocol?
Entry->setAlignment(4);
}
return Entry;
@ -3941,8 +3954,6 @@ llvm::Constant *CGObjCNonFragileABIMac::GetOrEmitProtocol(
std::string("\01l_OBJC_PROTOCOL_$_")+ProtocolName,
&CGM.getModule());
Entry->setSection("__DATA,__datacoal_nt,coalesced");
// FIXME: Is this necessary? Why only for protocol?
Entry->setAlignment(4);
}
Entry->setVisibility(llvm::GlobalValue::HiddenVisibility);