diff options
Diffstat (limited to 'contrib/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp')
-rw-r--r-- | contrib/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp | 89 |
1 files changed, 80 insertions, 9 deletions
diff --git a/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp index 7ce0cfe..bff1a35 100644 --- a/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp +++ b/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp @@ -440,11 +440,27 @@ void CompileUnit::addBlockByrefAddress(DbgVariable *&DV, DIE *Die, } /// addConstantValue - Add constant value entry in variable DIE. -bool CompileUnit::addConstantValue(DIE *Die, const MachineOperand &MO) { +bool CompileUnit::addConstantValue(DIE *Die, const MachineOperand &MO, + DIType Ty) { assert (MO.isImm() && "Invalid machine operand!"); DIEBlock *Block = new (DIEValueAllocator) DIEBlock(); - unsigned Imm = MO.getImm(); - addUInt(Block, 0, dwarf::DW_FORM_udata, Imm); + unsigned form = dwarf::DW_FORM_udata; + switch (Ty.getSizeInBits()) { + case 8: form = dwarf::DW_FORM_data1; break; + case 16: form = dwarf::DW_FORM_data2; break; + case 32: form = dwarf::DW_FORM_data4; break; + case 64: form = dwarf::DW_FORM_data8; break; + default: break; + } + + DIBasicType BTy(Ty); + if (BTy.Verify() && + (BTy.getEncoding() == dwarf::DW_ATE_signed + || BTy.getEncoding() == dwarf::DW_ATE_signed_char)) + addSInt(Block, 0, form, MO.getImm()); + else + addUInt(Block, 0, form, MO.getImm()); + addBlock(Die, dwarf::DW_AT_const_value, 0, Block); return true; } @@ -477,13 +493,21 @@ bool CompileUnit::addConstantFPValue(DIE *Die, const MachineOperand &MO) { /// addConstantValue - Add constant value entry in variable DIE. bool CompileUnit::addConstantValue(DIE *Die, ConstantInt *CI, bool Unsigned) { - if (CI->getBitWidth() <= 64) { + unsigned CIBitWidth = CI->getBitWidth(); + if (CIBitWidth <= 64) { + unsigned form = 0; + switch (CIBitWidth) { + case 8: form = dwarf::DW_FORM_data1; break; + case 16: form = dwarf::DW_FORM_data2; break; + case 32: form = dwarf::DW_FORM_data4; break; + case 64: form = dwarf::DW_FORM_data8; break; + default: + form = Unsigned ? dwarf::DW_FORM_udata : dwarf::DW_FORM_sdata; + } if (Unsigned) - addUInt(Die, dwarf::DW_AT_const_value, dwarf::DW_FORM_udata, - CI->getZExtValue()); + addUInt(Die, dwarf::DW_AT_const_value, form, CI->getZExtValue()); else - addSInt(Die, dwarf::DW_AT_const_value, dwarf::DW_FORM_sdata, - CI->getSExtValue()); + addSInt(Die, dwarf::DW_AT_const_value, form, CI->getSExtValue()); return true; } @@ -581,8 +605,37 @@ void CompileUnit::addType(DIE *Entity, DIType Ty) { // Set up proxy. Entry = createDIEEntry(Buffer); insertDIEEntry(Ty, Entry); - Entity->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, Entry); + + // If this is a complete composite type then include it in the + // list of global types. + addGlobalType(Ty); +} + +/// addGlobalType - Add a new global type to the compile unit. +/// +void CompileUnit::addGlobalType(DIType Ty) { + DIDescriptor Context = Ty.getContext(); + if (Ty.isCompositeType() && !Ty.getName().empty() && !Ty.isForwardDecl() + && (Context.isCompileUnit() || Context.isFile() || Context.isNameSpace())) + if (DIEEntry *Entry = getDIEEntry(Ty)) + GlobalTypes[Ty.getName()] = Entry->getEntry(); +} + +/// addPubTypes - Add type for pubtypes section. +void CompileUnit::addPubTypes(DISubprogram SP) { + DICompositeType SPTy = SP.getType(); + unsigned SPTag = SPTy.getTag(); + if (SPTag != dwarf::DW_TAG_subroutine_type) + return; + + DIArray Args = SPTy.getTypeArray(); + for (unsigned i = 0, e = Args.getNumElements(); i != e; ++i) { + DIType ATy(Args.getElement(i)); + if (!ATy.Verify()) + continue; + addGlobalType(ATy); + } } /// constructTypeDIE - Construct basic type die from DIBasicType. @@ -745,6 +798,10 @@ void CompileUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) { addToContextOwner(&Buffer, Context); } + if (CTy.isObjcClassComplete()) + addUInt(&Buffer, dwarf::DW_AT_APPLE_objc_complete_type, + dwarf::DW_FORM_flag, 1); + if (Tag == dwarf::DW_TAG_class_type) addTemplateParams(Buffer, CTy.getTemplateParams()); @@ -809,6 +866,20 @@ CompileUnit::getOrCreateTemplateValueParameterDIE(DITemplateValueParameter TPV) return ParamDIE; } +/// getOrCreateNameSpace - Create a DIE for DINameSpace. +DIE *CompileUnit::getOrCreateNameSpace(DINameSpace NS) { + DIE *NDie = getDIE(NS); + if (NDie) + return NDie; + NDie = new DIE(dwarf::DW_TAG_namespace); + insertDIE(NS, NDie); + if (!NS.getName().empty()) + addString(NDie, dwarf::DW_AT_name, dwarf::DW_FORM_string, NS.getName()); + addSourceLine(NDie, NS); + addToContextOwner(NDie, NS.getContext()); + return NDie; +} + /// constructSubrangeDIE - Construct subrange DIE from DISubrange. void CompileUnit::constructSubrangeDIE(DIE &Buffer, DISubrange SR, DIE *IndexTy){ DIE *DW_Subrange = new DIE(dwarf::DW_TAG_subrange_type); |