//
//===----------------------------------------------------------------------===//
//
-// This file contains support for writing dwarf compile unit.
+// This file contains support for constructing a dwarf compile unit.
//
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "dwarfdebug"
#include "DwarfCompileUnit.h"
+#include "DwarfAccelTable.h"
#include "DwarfDebug.h"
-#include "llvm/Constants.h"
-#include "llvm/GlobalVariable.h"
-#include "llvm/Instructions.h"
-#include "llvm/Analysis/DIBuilder.h"
+#include "llvm/ADT/APFloat.h"
+#include "llvm/DIBuilder.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/GlobalVariable.h"
+#include "llvm/IR/Instructions.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
#include "llvm/Target/Mangler.h"
-#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetFrameLowering.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"
-#include "llvm/ADT/APFloat.h"
-#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
/// CompileUnit - Compile unit constructor.
-CompileUnit::CompileUnit(unsigned I, DIE *D, AsmPrinter *A, DwarfDebug *DW)
- : ID(I), CUDie(D), Asm(A), DD(DW), IndexTyDie(0) {
+CompileUnit::CompileUnit(unsigned UID, unsigned L, DIE *D, AsmPrinter *A,
+ DwarfDebug *DW, DwarfUnits *DWU)
+ : UniqueID(UID), Language(L), CUDie(D), Asm(A), DD(DW), DU(DWU),
+ IndexTyDie(0) {
DIEIntegerOne = new (DIEValueAllocator) DIEInteger(1);
}
return Value;
}
+/// getDefaultLowerBound - Return the default lower bound for an array. If the
+/// DWARF version doesn't handle the language, return -1.
+int64_t CompileUnit::getDefaultLowerBound() const {
+ switch (Language) {
+ default:
+ break;
+
+ case dwarf::DW_LANG_C89:
+ case dwarf::DW_LANG_C99:
+ case dwarf::DW_LANG_C:
+ case dwarf::DW_LANG_C_plus_plus:
+ case dwarf::DW_LANG_ObjC:
+ case dwarf::DW_LANG_ObjC_plus_plus:
+ return 0;
+
+ case dwarf::DW_LANG_Fortran77:
+ case dwarf::DW_LANG_Fortran90:
+ case dwarf::DW_LANG_Fortran95:
+ return 1;
+
+ // The languages below have valid values only if the DWARF version >= 4.
+ case dwarf::DW_LANG_Java:
+ case dwarf::DW_LANG_Python:
+ case dwarf::DW_LANG_UPC:
+ case dwarf::DW_LANG_D:
+ if (dwarf::DWARF_VERSION >= 4)
+ return 0;
+ break;
+
+ case dwarf::DW_LANG_Ada83:
+ case dwarf::DW_LANG_Ada95:
+ case dwarf::DW_LANG_Cobol74:
+ case dwarf::DW_LANG_Cobol85:
+ case dwarf::DW_LANG_Modula2:
+ case dwarf::DW_LANG_Pascal83:
+ case dwarf::DW_LANG_PLI:
+ if (dwarf::DWARF_VERSION >= 4)
+ return 1;
+ break;
+ }
+
+ return -1;
+}
+
+/// addFlag - Add a flag that is true.
+void CompileUnit::addFlag(DIE *Die, unsigned Attribute) {
+ if (!DD->useDarwinGDBCompat())
+ Die->addValue(Attribute, dwarf::DW_FORM_flag_present,
+ DIEIntegerOne);
+ else
+ addUInt(Die, Attribute, dwarf::DW_FORM_flag, 1);
+}
+
/// addUInt - Add an unsigned integer attribute data and value.
///
void CompileUnit::addUInt(DIE *Die, unsigned Attribute,
Die->addValue(Attribute, Form, Value);
}
-/// addString - Add a string attribute data and value. DIEString only
-/// keeps string reference.
-void CompileUnit::addString(DIE *Die, unsigned Attribute, unsigned Form,
- StringRef String) {
- DIEValue *Value = new (DIEValueAllocator) DIEString(String);
- Die->addValue(Attribute, Form, Value);
+/// addString - Add a string attribute data and value. We always emit a
+/// reference to the string pool instead of immediate strings so that DIEs have
+/// more predictable sizes. In the case of split dwarf we emit an index
+/// into another table which gets us the static offset into the string
+/// table.
+void CompileUnit::addString(DIE *Die, unsigned Attribute, StringRef String) {
+ if (!DD->useSplitDwarf()) {
+ MCSymbol *Symb = DU->getStringPoolEntry(String);
+ DIEValue *Value;
+ if (Asm->needsRelocationsForDwarfStringPool())
+ Value = new (DIEValueAllocator) DIELabel(Symb);
+ else {
+ MCSymbol *StringPool = DU->getStringPoolSym();
+ Value = new (DIEValueAllocator) DIEDelta(Symb, StringPool);
+ }
+ Die->addValue(Attribute, dwarf::DW_FORM_strp, Value);
+ } else {
+ unsigned idx = DU->getStringPoolIndex(String);
+ DIEValue *Value = new (DIEValueAllocator) DIEInteger(idx);
+ Die->addValue(Attribute, dwarf::DW_FORM_GNU_str_index, Value);
+ }
+}
+
+/// addLocalString - Add a string attribute data and value. This is guaranteed
+/// to be in the local string pool instead of indirected.
+void CompileUnit::addLocalString(DIE *Die, unsigned Attribute,
+ StringRef String) {
+ MCSymbol *Symb = DU->getStringPoolEntry(String);
+ DIEValue *Value;
+ if (Asm->needsRelocationsForDwarfStringPool())
+ Value = new (DIEValueAllocator) DIELabel(Symb);
+ else {
+ MCSymbol *StringPool = DU->getStringPoolSym();
+ Value = new (DIEValueAllocator) DIEDelta(Symb, StringPool);
+ }
+ Die->addValue(Attribute, dwarf::DW_FORM_strp, Value);
}
/// addLabel - Add a Dwarf label attribute data and value.
Die->addValue(Attribute, Form, Value);
}
+/// addLabelAddress - Add a dwarf label attribute data and value using
+/// DW_FORM_addr or DW_FORM_GNU_addr_index.
+///
+void CompileUnit::addLabelAddress(DIE *Die, unsigned Attribute,
+ MCSymbol *Label) {
+ if (!DD->useSplitDwarf()) {
+ if (Label != NULL) {
+ DIEValue *Value = new (DIEValueAllocator) DIELabel(Label);
+ Die->addValue(Attribute, dwarf::DW_FORM_addr, Value);
+ } else {
+ DIEValue *Value = new (DIEValueAllocator) DIEInteger(0);
+ Die->addValue(Attribute, dwarf::DW_FORM_addr, Value);
+ }
+ } else {
+ unsigned idx = DU->getAddrPoolIndex(Label);
+ DIEValue *Value = new (DIEValueAllocator) DIEInteger(idx);
+ Die->addValue(Attribute, dwarf::DW_FORM_GNU_addr_index, Value);
+ }
+}
+
/// addDelta - Add a label delta attribute data and value.
///
void CompileUnit::addDelta(DIE *Die, unsigned Attribute, unsigned Form,
Die->addValue(Attribute, Form, createDIEEntry(Entry));
}
-
/// addBlock - Add block data.
///
void CompileUnit::addBlock(DIE *Die, unsigned Attribute, unsigned Form,
// Verify variable.
if (!V.Verify())
return;
-
+
unsigned Line = V.getLineNumber();
if (Line == 0)
return;
- unsigned FileID = DD->GetOrCreateSourceID(V.getContext().getFilename(),
+ unsigned FileID = DD->getOrCreateSourceID(V.getContext().getFilename(),
V.getContext().getDirectory());
assert(FileID && "Invalid file id");
addUInt(Die, dwarf::DW_AT_decl_file, 0, FileID);
unsigned Line = G.getLineNumber();
if (Line == 0)
return;
- unsigned FileID = DD->GetOrCreateSourceID(G.getContext().getFilename(),
- G.getContext().getDirectory());
+ unsigned FileID = DD->getOrCreateSourceID(G.getFilename(), G.getDirectory());
assert(FileID && "Invalid file id");
addUInt(Die, dwarf::DW_AT_decl_file, 0, FileID);
addUInt(Die, dwarf::DW_AT_decl_line, 0, Line);
// Verify subprogram.
if (!SP.Verify())
return;
- // If the line number is 0, don't add it.
- if (SP.getLineNumber() == 0)
- return;
+ // If the line number is 0, don't add it.
unsigned Line = SP.getLineNumber();
- if (!SP.getContext().Verify())
+ if (Line == 0)
return;
- unsigned FileID = DD->GetOrCreateSourceID(SP.getFilename(), SP.getDirectory());
+
+ unsigned FileID = DD->getOrCreateSourceID(SP.getFilename(),
+ SP.getDirectory());
assert(FileID && "Invalid file id");
addUInt(Die, dwarf::DW_AT_decl_file, 0, FileID);
addUInt(Die, dwarf::DW_AT_decl_line, 0, Line);
return;
unsigned Line = Ty.getLineNumber();
- if (Line == 0 || !Ty.getContext().Verify())
+ if (Line == 0)
+ return;
+ unsigned FileID = DD->getOrCreateSourceID(Ty.getFilename(),
+ Ty.getDirectory());
+ assert(FileID && "Invalid file id");
+ addUInt(Die, dwarf::DW_AT_decl_file, 0, FileID);
+ addUInt(Die, dwarf::DW_AT_decl_line, 0, Line);
+}
+
+/// addSourceLine - Add location information to specified debug information
+/// entry.
+void CompileUnit::addSourceLine(DIE *Die, DIObjCProperty Ty) {
+ // Verify type.
+ if (!Ty.Verify())
+ return;
+
+ unsigned Line = Ty.getLineNumber();
+ if (Line == 0)
return;
- unsigned FileID = DD->GetOrCreateSourceID(Ty.getFilename(), Ty.getDirectory());
+ DIFile File = Ty.getFile();
+ unsigned FileID = DD->getOrCreateSourceID(File.getFilename(),
+ File.getDirectory());
assert(FileID && "Invalid file id");
addUInt(Die, dwarf::DW_AT_decl_file, 0, FileID);
addUInt(Die, dwarf::DW_AT_decl_line, 0, Line);
return;
StringRef FN = NS.getFilename();
- unsigned FileID = DD->GetOrCreateSourceID(FN, NS.getDirectory());
+ unsigned FileID = DD->getOrCreateSourceID(FN, NS.getDirectory());
assert(FileID && "Invalid file id");
addUInt(Die, dwarf::DW_AT_decl_file, 0, FileID);
addUInt(Die, dwarf::DW_AT_decl_line, 0, Line);
}
-/// addVariableAddress - Add DW_AT_location attribute for a
+/// addVariableAddress - Add DW_AT_location attribute for a
/// DbgVariable based on provided MachineLocation.
-void CompileUnit::addVariableAddress(DbgVariable *&DV, DIE *Die,
+void CompileUnit::addVariableAddress(DbgVariable *&DV, DIE *Die,
MachineLocation Location) {
if (DV->variableHasComplexAddress())
addComplexAddress(DV, Die, dwarf::DW_AT_location, Location);
addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_plus_uconst);
addUInt(Block, 0, dwarf::DW_FORM_udata, DV->getAddrElement(++i));
} else if (Element == DIBuilder::OpDeref) {
- addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_deref);
+ if (!Location.isReg())
+ addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_deref);
} else llvm_unreachable("unknown DIBuilder Opcode");
}
// Decode the original location, and use that as the start of the byref
// variable's location.
- const TargetRegisterInfo *RI = Asm->TM.getRegisterInfo();
- unsigned Reg = RI->getDwarfRegNum(Location.getReg(), false);
DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
- if (Location.isReg()) {
- if (Reg < 32)
- addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_reg0 + Reg);
- else {
- addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_regx);
- addUInt(Block, 0, dwarf::DW_FORM_udata, Reg);
- }
- } else {
- if (Reg < 32)
- addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_breg0 + Reg);
- else {
- addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_bregx);
- addUInt(Block, 0, dwarf::DW_FORM_udata, Reg);
- }
-
- addUInt(Block, 0, dwarf::DW_FORM_sdata, Location.getOffset());
- }
+ if (Location.isReg())
+ addRegisterOp(Block, Location.getReg());
+ else
+ addRegisterOffset(Block, Location.getReg(), Location.getOffset());
// If we started with a pointer to the __Block_byref... struct, then
// the first thing we need to do is dereference the pointer (DW_OP_deref).
/// addConstantValue - Add constant value entry in variable DIE.
bool CompileUnit::addConstantValue(DIE *Die, const MachineOperand &MO,
DIType Ty) {
- assert (MO.isImm() && "Invalid machine operand!");
+ assert(MO.isImm() && "Invalid machine operand!");
DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
int SizeInBits = -1;
bool SignedConstant = isTypeSigned(Ty, &SizeInBits);
case 64: Form = dwarf::DW_FORM_data8; break;
default: break;
}
- SignedConstant ? addSInt(Block, 0, Form, MO.getImm())
+ SignedConstant ? addSInt(Block, 0, Form, MO.getImm())
: addUInt(Block, 0, Form, MO.getImm());
addBlock(Die, dwarf::DW_AT_const_value, 0, Block);
const char *FltPtr = (const char*)FltVal.getRawData();
int NumBytes = FltVal.getBitWidth() / 8; // 8 bits per byte.
- bool LittleEndian = Asm->getTargetData().isLittleEndian();
+ bool LittleEndian = Asm->getDataLayout().isLittleEndian();
int Incr = (LittleEndian ? 1 : -1);
int Start = (LittleEndian ? 0 : NumBytes - 1);
int Stop = (LittleEndian ? NumBytes : -1);
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:
+ default:
form = Unsigned ? dwarf::DW_FORM_udata : dwarf::DW_FORM_sdata;
}
if (Unsigned)
// Get the raw data form of the large APInt.
const APInt Val = CI->getValue();
- const char *Ptr = (const char*)Val.getRawData();
+ const uint64_t *Ptr64 = Val.getRawData();
int NumBytes = Val.getBitWidth() / 8; // 8 bits per byte.
- bool LittleEndian = Asm->getTargetData().isLittleEndian();
- int Incr = (LittleEndian ? 1 : -1);
- int Start = (LittleEndian ? 0 : NumBytes - 1);
- int Stop = (LittleEndian ? NumBytes : -1);
+ bool LittleEndian = Asm->getDataLayout().isLittleEndian();
// Output the constant to DWARF one byte at a time.
- for (; Start != Stop; Start += Incr)
- addUInt(Block, 0, dwarf::DW_FORM_data1,
- (unsigned char)0xFF & Ptr[Start]);
+ for (int i = 0; i < NumBytes; i++) {
+ uint8_t c;
+ if (LittleEndian)
+ c = Ptr64[i / 8] >> (8 * (i & 7));
+ else
+ c = Ptr64[(NumBytes - 1 - i) / 8] >> (8 * ((NumBytes - 1 - i) & 7));
+ addUInt(Block, 0, dwarf::DW_FORM_data1, c);
+ }
addBlock(Die, dwarf::DW_AT_const_value, 0, Block);
return true;
Buffer.addChild(getOrCreateTemplateValueParameterDIE(
DITemplateValueParameter(Element)));
}
+}
+/// getOrCreateContextDIE - Get context owner's DIE.
+DIE *CompileUnit::getOrCreateContextDIE(DIDescriptor Context) {
+ if (Context.isType())
+ return getOrCreateTypeDIE(DIType(Context));
+ else if (Context.isNameSpace())
+ return getOrCreateNameSpace(DINameSpace(Context));
+ else if (Context.isSubprogram())
+ return getOrCreateSubprogramDIE(DISubprogram(Context));
+ else
+ return getDIE(Context);
}
+
/// addToContextOwner - Add Die into the list of its context owner's children.
void CompileUnit::addToContextOwner(DIE *Die, DIDescriptor Context) {
- if (Context.isType()) {
- DIE *ContextDIE = getOrCreateTypeDIE(DIType(Context));
- ContextDIE->addChild(Die);
- } else if (Context.isNameSpace()) {
- DIE *ContextDIE = getOrCreateNameSpace(DINameSpace(Context));
- ContextDIE->addChild(Die);
- } else if (Context.isSubprogram()) {
- DIE *ContextDIE = getOrCreateSubprogramDIE(DISubprogram(Context));
- ContextDIE->addChild(Die);
- } else if (DIE *ContextDIE = getDIE(Context))
+ if (DIE *ContextDIE = getOrCreateContextDIE(Context))
ContextDIE->addChild(Die);
else
addDie(Die);
/// getOrCreateTypeDIE - Find existing DIE or create new DIE for the
/// given DIType.
-DIE *CompileUnit::getOrCreateTypeDIE(DIType Ty) {
+DIE *CompileUnit::getOrCreateTypeDIE(const MDNode *TyNode) {
+ DIType Ty(TyNode);
+ if (!Ty.Verify())
+ return NULL;
DIE *TyDIE = getDIE(Ty);
if (TyDIE)
return TyDIE;
assert(Ty.isDerivedType() && "Unknown kind of DIType");
constructTypeDIE(*TyDIE, DIDerivedType(Ty));
}
+ // If this is a named finished type then include it in the list of types
+ // for the accelerator tables.
+ if (!Ty.getName().empty() && !Ty.isForwardDecl()) {
+ bool IsImplementation = 0;
+ if (Ty.isCompositeType()) {
+ DICompositeType CT(Ty);
+ // A runtime language of 0 actually means C/C++ and that any
+ // non-negative value is some version of Objective-C/C++.
+ IsImplementation = (CT.getRunTimeLang() == 0) ||
+ CT.isObjcClassComplete();
+ }
+ unsigned Flags = IsImplementation ?
+ DwarfAccelTable::eTypeFlagClassIsImplementation : 0;
+ addAccelType(Ty.getName(), std::make_pair(TyDIE, Flags));
+ }
addToContextOwner(TyDIE, Ty.getContext());
return TyDIE;
}
/// addType - Add a new type attribute to the specified entity.
-void CompileUnit::addType(DIE *Entity, DIType Ty) {
+void CompileUnit::addType(DIE *Entity, DIType Ty, unsigned Attribute) {
if (!Ty.Verify())
return;
DIEEntry *Entry = getDIEEntry(Ty);
// If it exists then use the existing value.
if (Entry) {
- Entity->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, Entry);
+ Entity->addValue(Attribute, dwarf::DW_FORM_ref4, Entry);
return;
}
// Set up proxy.
Entry = createDIEEntry(Buffer);
insertDIEEntry(Ty, Entry);
- Entity->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, Entry);
+ Entity->addValue(Attribute, dwarf::DW_FORM_ref4, Entry);
// If this is a complete composite type then include it in the
// list of global types.
///
void CompileUnit::addGlobalType(DIType Ty) {
DIDescriptor Context = Ty.getContext();
- if (Ty.isCompositeType() && !Ty.getName().empty() && !Ty.isForwardDecl()
- && (Context.isCompileUnit() || Context.isFile() || Context.isNameSpace()))
+ if (Ty.isCompositeType() && !Ty.getName().empty() && !Ty.isForwardDecl()
+ && (!Context || Context.isCompileUnit() || Context.isFile()
+ || Context.isNameSpace()))
if (DIEEntry *Entry = getDIEEntry(Ty))
GlobalTypes[Ty.getName()] = Entry->getEntry();
}
void CompileUnit::constructTypeDIE(DIE &Buffer, DIBasicType BTy) {
// Get core information.
StringRef Name = BTy.getName();
+ // Add name if not anonymous or intermediate type.
+ if (!Name.empty())
+ addString(&Buffer, dwarf::DW_AT_name, Name);
+
+ if (BTy.getTag() == dwarf::DW_TAG_unspecified_type) {
+ Buffer.setTag(dwarf::DW_TAG_unspecified_type);
+ // Unspecified types has only name, nothing else.
+ return;
+ }
+
Buffer.setTag(dwarf::DW_TAG_base_type);
- addUInt(&Buffer, dwarf::DW_AT_encoding, dwarf::DW_FORM_data1,
+ addUInt(&Buffer, dwarf::DW_AT_encoding, dwarf::DW_FORM_data1,
BTy.getEncoding());
- // Add name if not anonymous or intermediate type.
- if (!Name.empty())
- addString(&Buffer, dwarf::DW_AT_name, dwarf::DW_FORM_string, Name);
uint64_t Size = BTy.getSizeInBits() >> 3;
addUInt(&Buffer, dwarf::DW_AT_byte_size, 0, Size);
}
// Add name if not anonymous or intermediate type.
if (!Name.empty())
- addString(&Buffer, dwarf::DW_AT_name, dwarf::DW_FORM_string, Name);
+ addString(&Buffer, dwarf::DW_AT_name, Name);
// Add size if non-zero (derived types might be zero-sized.)
- if (Size)
+ if (Size && Tag != dwarf::DW_TAG_pointer_type)
addUInt(&Buffer, dwarf::DW_AT_byte_size, 0, Size);
+ if (Tag == dwarf::DW_TAG_ptr_to_member_type)
+ addDIEEntry(&Buffer, dwarf::DW_AT_containing_type, dwarf::DW_FORM_ref4,
+ getOrCreateTypeDIE(DTy.getClassType()));
// Add source line info if available and TyDesc is not a forward declaration.
if (!DTy.isForwardDecl())
addSourceLine(&Buffer, DTy);
Buffer.setTag(Tag);
switch (Tag) {
- case dwarf::DW_TAG_vector_type:
case dwarf::DW_TAG_array_type:
constructArrayTypeDIE(Buffer, &CTy);
break;
Buffer.addChild(ElemDie);
}
}
+ DIType DTy = CTy.getTypeDerivedFrom();
+ if (DTy.Verify()) {
+ addType(&Buffer, DTy);
+ addUInt(&Buffer, dwarf::DW_AT_enum_class, dwarf::DW_FORM_flag, 1);
+ }
}
break;
case dwarf::DW_TAG_subroutine_type: {
Buffer.addChild(Arg);
}
}
- // Add prototype flag.
- if (isPrototyped)
- addUInt(&Buffer, dwarf::DW_AT_prototyped, dwarf::DW_FORM_flag, 1);
+ // Add prototype flag if we're dealing with a C language and the
+ // function has been prototyped.
+ if (isPrototyped &&
+ (Language == dwarf::DW_LANG_C89 ||
+ Language == dwarf::DW_LANG_C99 ||
+ Language == dwarf::DW_LANG_ObjC))
+ addFlag(&Buffer, dwarf::DW_AT_prototyped);
}
break;
case dwarf::DW_TAG_structure_type:
DISubprogram SP(Element);
ElemDie = getOrCreateSubprogramDIE(DISubprogram(Element));
if (SP.isProtected())
- addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_flag,
+ addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
dwarf::DW_ACCESS_protected);
else if (SP.isPrivate())
- addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_flag,
+ addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
dwarf::DW_ACCESS_private);
- else
- addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_flag,
+ else
+ addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
dwarf::DW_ACCESS_public);
if (SP.isExplicit())
- addUInt(ElemDie, dwarf::DW_AT_explicit, dwarf::DW_FORM_flag, 1);
- }
- else if (Element.isVariable()) {
- DIVariable DV(Element);
- ElemDie = new DIE(dwarf::DW_TAG_variable);
- addString(ElemDie, dwarf::DW_AT_name, dwarf::DW_FORM_string,
- DV.getName());
- addType(ElemDie, DV.getType());
- addUInt(ElemDie, dwarf::DW_AT_declaration, dwarf::DW_FORM_flag, 1);
- addUInt(ElemDie, dwarf::DW_AT_external, dwarf::DW_FORM_flag, 1);
- addSourceLine(ElemDie, DV);
- } else if (Element.isDerivedType())
- ElemDie = createMemberDIE(DIDerivedType(Element));
- else
+ addFlag(ElemDie, dwarf::DW_AT_explicit);
+ } else if (Element.isDerivedType()) {
+ DIDerivedType DDTy(Element);
+ if (DDTy.getTag() == dwarf::DW_TAG_friend) {
+ ElemDie = new DIE(dwarf::DW_TAG_friend);
+ addType(ElemDie, DDTy.getTypeDerivedFrom(), dwarf::DW_AT_friend);
+ } else if (DDTy.isStaticMember())
+ ElemDie = createStaticMemberDIE(DDTy);
+ else
+ ElemDie = createMemberDIE(DDTy);
+ } else if (Element.isObjCProperty()) {
+ DIObjCProperty Property(Element);
+ ElemDie = new DIE(Property.getTag());
+ StringRef PropertyName = Property.getObjCPropertyName();
+ addString(ElemDie, dwarf::DW_AT_APPLE_property_name, PropertyName);
+ addType(ElemDie, Property.getType());
+ addSourceLine(ElemDie, Property);
+ StringRef GetterName = Property.getObjCPropertyGetterName();
+ if (!GetterName.empty())
+ addString(ElemDie, dwarf::DW_AT_APPLE_property_getter, GetterName);
+ StringRef SetterName = Property.getObjCPropertySetterName();
+ if (!SetterName.empty())
+ addString(ElemDie, dwarf::DW_AT_APPLE_property_setter, SetterName);
+ unsigned PropertyAttributes = 0;
+ if (Property.isReadOnlyObjCProperty())
+ PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_readonly;
+ if (Property.isReadWriteObjCProperty())
+ PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_readwrite;
+ if (Property.isAssignObjCProperty())
+ PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_assign;
+ if (Property.isRetainObjCProperty())
+ PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_retain;
+ if (Property.isCopyObjCProperty())
+ PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_copy;
+ if (Property.isNonAtomicObjCProperty())
+ PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_nonatomic;
+ if (PropertyAttributes)
+ addUInt(ElemDie, dwarf::DW_AT_APPLE_property_attribute, 0,
+ PropertyAttributes);
+
+ DIEEntry *Entry = getDIEEntry(Element);
+ if (!Entry) {
+ Entry = createDIEEntry(ElemDie);
+ insertDIEEntry(Element, Entry);
+ }
+ } else
continue;
Buffer.addChild(ElemDie);
}
if (CTy.isAppleBlockExtension())
- addUInt(&Buffer, dwarf::DW_AT_APPLE_block, dwarf::DW_FORM_flag, 1);
-
- unsigned RLang = CTy.getRunTimeLang();
- if (RLang)
- addUInt(&Buffer, dwarf::DW_AT_APPLE_runtime_class,
- dwarf::DW_FORM_data1, RLang);
+ addFlag(&Buffer, dwarf::DW_AT_APPLE_block);
DICompositeType ContainingType = CTy.getContainingType();
if (DIDescriptor(ContainingType).isCompositeType())
}
if (CTy.isObjcClassComplete())
- addUInt(&Buffer, dwarf::DW_AT_APPLE_objc_complete_type,
- dwarf::DW_FORM_flag, 1);
+ addFlag(&Buffer, dwarf::DW_AT_APPLE_objc_complete_type);
- if (Tag == dwarf::DW_TAG_class_type)
+ // Add template parameters to a class, structure or union types.
+ // FIXME: The support isn't in the metadata for this yet.
+ if (Tag == dwarf::DW_TAG_class_type ||
+ Tag == dwarf::DW_TAG_structure_type ||
+ Tag == dwarf::DW_TAG_union_type)
addTemplateParams(Buffer, CTy.getTemplateParams());
break;
// Add name if not anonymous or intermediate type.
if (!Name.empty())
- addString(&Buffer, dwarf::DW_AT_name, dwarf::DW_FORM_string, Name);
+ addString(&Buffer, dwarf::DW_AT_name, Name);
- if (Tag == dwarf::DW_TAG_enumeration_type || Tag == dwarf::DW_TAG_class_type
- || Tag == dwarf::DW_TAG_structure_type || Tag == dwarf::DW_TAG_union_type)
- {
+ if (Tag == dwarf::DW_TAG_enumeration_type ||
+ Tag == dwarf::DW_TAG_class_type ||
+ Tag == dwarf::DW_TAG_structure_type ||
+ Tag == dwarf::DW_TAG_union_type) {
// Add size if non-zero (derived types might be zero-sized.)
+ // TODO: Do we care about size for enum forward declarations?
if (Size)
addUInt(&Buffer, dwarf::DW_AT_byte_size, 0, Size);
- else {
+ else if (!CTy.isForwardDecl())
// Add zero size if it is not a forward declaration.
- if (CTy.isForwardDecl())
- addUInt(&Buffer, dwarf::DW_AT_declaration, dwarf::DW_FORM_flag, 1);
- else
- addUInt(&Buffer, dwarf::DW_AT_byte_size, 0, 0);
- }
+ addUInt(&Buffer, dwarf::DW_AT_byte_size, 0, 0);
+
+ // If we're a forward decl, say so.
+ if (CTy.isForwardDecl())
+ addFlag(&Buffer, dwarf::DW_AT_declaration);
// Add source line info if available.
if (!CTy.isForwardDecl())
addSourceLine(&Buffer, CTy);
+
+ // No harm in adding the runtime language to the declaration.
+ unsigned RLang = CTy.getRunTimeLang();
+ if (RLang)
+ addUInt(&Buffer, dwarf::DW_AT_APPLE_runtime_class,
+ dwarf::DW_FORM_data1, RLang);
}
}
-/// getOrCreateTemplateTypeParameterDIE - Find existing DIE or create new DIE
+/// getOrCreateTemplateTypeParameterDIE - Find existing DIE or create new DIE
/// for the given DITemplateTypeParameter.
DIE *
CompileUnit::getOrCreateTemplateTypeParameterDIE(DITemplateTypeParameter TP) {
ParamDIE = new DIE(dwarf::DW_TAG_template_type_parameter);
addType(ParamDIE, TP.getType());
- addString(ParamDIE, dwarf::DW_AT_name, dwarf::DW_FORM_string, TP.getName());
+ addString(ParamDIE, dwarf::DW_AT_name, TP.getName());
return ParamDIE;
}
-/// getOrCreateTemplateValueParameterDIE - Find existing DIE or create new DIE
+/// getOrCreateTemplateValueParameterDIE - Find existing DIE or create new DIE
/// for the given DITemplateValueParameter.
DIE *
-CompileUnit::getOrCreateTemplateValueParameterDIE(DITemplateValueParameter TPV) {
+CompileUnit::getOrCreateTemplateValueParameterDIE(DITemplateValueParameter TPV){
DIE *ParamDIE = getDIE(TPV);
if (ParamDIE)
return ParamDIE;
ParamDIE = new DIE(dwarf::DW_TAG_template_value_parameter);
addType(ParamDIE, TPV.getType());
if (!TPV.getName().empty())
- addString(ParamDIE, dwarf::DW_AT_name, dwarf::DW_FORM_string, TPV.getName());
- addUInt(ParamDIE, dwarf::DW_AT_const_value, dwarf::DW_FORM_udata,
+ addString(ParamDIE, dwarf::DW_AT_name, TPV.getName());
+ addUInt(ParamDIE, dwarf::DW_AT_const_value, dwarf::DW_FORM_udata,
TPV.getValue());
return ParamDIE;
}
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());
+ if (!NS.getName().empty()) {
+ addString(NDie, dwarf::DW_AT_name, NS.getName());
+ addAccelNamespace(NS.getName(), NDie);
+ } else
+ addAccelNamespace("(anonymous namespace)", NDie);
addSourceLine(NDie, NS);
addToContextOwner(NDie, NS.getContext());
return NDie;
return SPDie;
SPDie = new DIE(dwarf::DW_TAG_subprogram);
-
+
// DW_TAG_inlined_subroutine may refer to this DIE.
insertDIE(SP, SPDie);
-
+
+ DISubprogram SPDecl = SP.getFunctionDeclaration();
+ DIE *DeclDie = NULL;
+ if (SPDecl.isSubprogram()) {
+ DeclDie = getOrCreateSubprogramDIE(SPDecl);
+ }
+
// Add to context owner.
addToContextOwner(SPDie, SP.getContext());
// Add function template parameters.
addTemplateParams(*SPDie, SP.getTemplateParams());
+ // Unfortunately this code needs to stay here instead of below the
+ // AT_specification code in order to work around a bug in older
+ // gdbs that requires the linkage name to resolve multiple template
+ // functions.
+ // TODO: Remove this set of code when we get rid of the old gdb
+ // compatibility.
StringRef LinkageName = SP.getLinkageName();
- if (!LinkageName.empty())
- addString(SPDie, dwarf::DW_AT_MIPS_linkage_name,
- dwarf::DW_FORM_string,
- getRealLinkageName(LinkageName));
+ if (!LinkageName.empty() && DD->useDarwinGDBCompat())
+ addString(SPDie, dwarf::DW_AT_MIPS_linkage_name,
+ getRealLinkageName(LinkageName));
// If this DIE is going to refer declaration info using AT_specification
// then there is no need to add other attributes.
- if (SP.getFunctionDeclaration().isSubprogram())
+ if (DeclDie) {
+ // Refer function declaration directly.
+ addDIEEntry(SPDie, dwarf::DW_AT_specification, dwarf::DW_FORM_ref4,
+ DeclDie);
+
return SPDie;
+ }
+
+ // Add the linkage name if we have one.
+ if (!LinkageName.empty() && !DD->useDarwinGDBCompat())
+ addString(SPDie, dwarf::DW_AT_MIPS_linkage_name,
+ getRealLinkageName(LinkageName));
// Constructors and operators for anonymous aggregates do not have names.
if (!SP.getName().empty())
- addString(SPDie, dwarf::DW_AT_name, dwarf::DW_FORM_string,
- SP.getName());
+ addString(SPDie, dwarf::DW_AT_name, SP.getName());
addSourceLine(SPDie, SP);
- if (SP.isPrototyped())
- addUInt(SPDie, dwarf::DW_AT_prototyped, dwarf::DW_FORM_flag, 1);
+ // Add the prototype if we have a prototype and we have a C like
+ // language.
+ if (SP.isPrototyped() &&
+ (Language == dwarf::DW_LANG_C89 ||
+ Language == dwarf::DW_LANG_C99 ||
+ Language == dwarf::DW_LANG_ObjC))
+ addFlag(SPDie, dwarf::DW_AT_prototyped);
// Add Return Type.
DICompositeType SPTy = SP.getType();
unsigned VK = SP.getVirtuality();
if (VK) {
- addUInt(SPDie, dwarf::DW_AT_virtuality, dwarf::DW_FORM_flag, VK);
+ addUInt(SPDie, dwarf::DW_AT_virtuality, dwarf::DW_FORM_data1, VK);
DIEBlock *Block = getDIEBlock();
addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_constu);
addUInt(Block, 0, dwarf::DW_FORM_udata, SP.getVirtualIndex());
}
if (!SP.isDefinition()) {
- addUInt(SPDie, dwarf::DW_AT_declaration, dwarf::DW_FORM_flag, 1);
-
+ addFlag(SPDie, dwarf::DW_AT_declaration);
+
// Add arguments. Do not add arguments for subprogram definition. They will
// be handled while processing variables.
DICompositeType SPTy = SP.getType();
if (SPTag == dwarf::DW_TAG_subroutine_type)
for (unsigned i = 1, N = Args.getNumElements(); i < N; ++i) {
DIE *Arg = new DIE(dwarf::DW_TAG_formal_parameter);
- DIType ATy = DIType(DIType(Args.getElement(i)));
+ DIType ATy = DIType(Args.getElement(i));
addType(Arg, ATy);
if (ATy.isArtificial())
- addUInt(Arg, dwarf::DW_AT_artificial, dwarf::DW_FORM_flag, 1);
+ addFlag(Arg, dwarf::DW_AT_artificial);
SPDie->addChild(Arg);
}
}
if (SP.isArtificial())
- addUInt(SPDie, dwarf::DW_AT_artificial, dwarf::DW_FORM_flag, 1);
+ addFlag(SPDie, dwarf::DW_AT_artificial);
if (!SP.isLocalToUnit())
- addUInt(SPDie, dwarf::DW_AT_external, dwarf::DW_FORM_flag, 1);
+ addFlag(SPDie, dwarf::DW_AT_external);
if (SP.isOptimized())
- addUInt(SPDie, dwarf::DW_AT_APPLE_optimized, dwarf::DW_FORM_flag, 1);
+ addFlag(SPDie, dwarf::DW_AT_APPLE_optimized);
if (unsigned isa = Asm->getISAEncoding()) {
addUInt(SPDie, dwarf::DW_AT_APPLE_isa, dwarf::DW_FORM_flag, isa);
/// createGlobalVariableDIE - create global variable DIE.
void CompileUnit::createGlobalVariableDIE(const MDNode *N) {
- DIGlobalVariable GV(N);
-
// Check for pre-existence.
- if (getDIE(GV))
+ if (getDIE(N))
return;
+ DIGlobalVariable GV(N);
+ if (!GV.Verify())
+ return;
+
+ DIDescriptor GVContext = GV.getContext();
DIType GTy = GV.getType();
- DIE *VariableDIE = new DIE(GV.getTag());
- bool isGlobalVariable = GV.getGlobal() != NULL;
+ // If this is a static data member definition, some attributes belong
+ // to the declaration DIE.
+ DIE *VariableDIE = NULL;
+ DIDerivedType SDMDecl = GV.getStaticDataMemberDeclaration();
+ if (SDMDecl.Verify()) {
+ assert(SDMDecl.isStaticMember() && "Expected static member decl");
+ // We need the declaration DIE that is in the static member's class.
+ // But that class might not exist in the DWARF yet.
+ // Creating the class will create the static member decl DIE.
+ getOrCreateContextDIE(SDMDecl.getContext());
+ VariableDIE = getDIE(SDMDecl);
+ assert(VariableDIE && "Static member decl has no context?");
+ }
- // Add name.
- addString(VariableDIE, dwarf::DW_AT_name, dwarf::DW_FORM_string,
- GV.getDisplayName());
- StringRef LinkageName = GV.getLinkageName();
- if (!LinkageName.empty() && isGlobalVariable)
- addString(VariableDIE, dwarf::DW_AT_MIPS_linkage_name,
- dwarf::DW_FORM_string,
- getRealLinkageName(LinkageName));
- // Add type.
- addType(VariableDIE, GTy);
-
- // Add scoping info.
- if (!GV.isLocalToUnit()) {
- addUInt(VariableDIE, dwarf::DW_AT_external, dwarf::DW_FORM_flag, 1);
- // Expose as global.
- addGlobal(GV.getName(), VariableDIE);
+ // If this is not a static data member definition, create the variable
+ // DIE and add the initial set of attributes to it.
+ if (!VariableDIE) {
+ VariableDIE = new DIE(GV.getTag());
+ // Add to map.
+ insertDIE(N, VariableDIE);
+
+ // Add name and type.
+ addString(VariableDIE, dwarf::DW_AT_name, GV.getDisplayName());
+ addType(VariableDIE, GTy);
+
+ // Add scoping info.
+ if (!GV.isLocalToUnit())
+ addFlag(VariableDIE, dwarf::DW_AT_external);
+
+ // Add line number info.
+ addSourceLine(VariableDIE, GV);
+ // Add to context owner.
+ addToContextOwner(VariableDIE, GVContext);
}
- // Add line number info.
- addSourceLine(VariableDIE, GV);
- // Add to map.
- insertDIE(N, VariableDIE);
- // Add to context owner.
- DIDescriptor GVContext = GV.getContext();
- addToContextOwner(VariableDIE, GVContext);
+
// Add location.
+ bool addToAccelTable = false;
+ DIE *VariableSpecDIE = NULL;
+ bool isGlobalVariable = GV.getGlobal() != NULL;
if (isGlobalVariable) {
+ addToAccelTable = true;
DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_addr);
addLabel(Block, 0, dwarf::DW_FORM_udata,
Asm->Mang->getSymbol(GV.getGlobal()));
// Do not create specification DIE if context is either compile unit
// or a subprogram.
- if (GV.isDefinition() && !GVContext.isCompileUnit() &&
+ if (GVContext && GV.isDefinition() && !GVContext.isCompileUnit() &&
!GVContext.isFile() && !isSubprogramContext(GVContext)) {
// Create specification DIE.
- DIE *VariableSpecDIE = new DIE(dwarf::DW_TAG_variable);
+ VariableSpecDIE = new DIE(dwarf::DW_TAG_variable);
addDIEEntry(VariableSpecDIE, dwarf::DW_AT_specification,
dwarf::DW_FORM_ref4, VariableDIE);
addBlock(VariableSpecDIE, dwarf::DW_AT_location, 0, Block);
- addUInt(VariableDIE, dwarf::DW_AT_declaration, dwarf::DW_FORM_flag,
- 1);
+ // A static member's declaration is already flagged as such.
+ if (!SDMDecl.Verify())
+ addFlag(VariableDIE, dwarf::DW_AT_declaration);
addDie(VariableSpecDIE);
} else {
addBlock(VariableDIE, dwarf::DW_AT_location, 0, Block);
- }
- } else if (const ConstantInt *CI =
+ }
+ // Add linkage name.
+ StringRef LinkageName = GV.getLinkageName();
+ if (!LinkageName.empty() && isGlobalVariable)
+ addString(VariableDIE, dwarf::DW_AT_MIPS_linkage_name,
+ getRealLinkageName(LinkageName));
+ } else if (const ConstantInt *CI =
dyn_cast_or_null<ConstantInt>(GV.getConstant()))
addConstantValue(VariableDIE, CI, GTy.isUnsignedDIType());
else if (const ConstantExpr *CE = getMergedGlobalExpr(N->getOperand(11))) {
+ addToAccelTable = true;
// GV is a merged global.
DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
Value *Ptr = CE->getOperand(0);
Asm->Mang->getSymbol(cast<GlobalValue>(Ptr)));
addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_constu);
SmallVector<Value*, 3> Idx(CE->op_begin()+1, CE->op_end());
- addUInt(Block, 0, dwarf::DW_FORM_udata,
- Asm->getTargetData().getIndexedOffset(Ptr->getType(), Idx));
+ addUInt(Block, 0, dwarf::DW_FORM_udata,
+ Asm->getDataLayout().getIndexedOffset(Ptr->getType(), Idx));
addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_plus);
addBlock(VariableDIE, dwarf::DW_AT_location, 0, Block);
}
+ if (addToAccelTable) {
+ DIE *AddrDIE = VariableSpecDIE ? VariableSpecDIE : VariableDIE;
+ addAccelName(GV.getName(), AddrDIE);
+
+ // If the linkage name is different than the name, go ahead and output
+ // that as well into the name table.
+ if (GV.getLinkageName() != "" && GV.getName() != GV.getLinkageName())
+ addAccelName(GV.getLinkageName(), AddrDIE);
+ }
+
return;
}
/// constructSubrangeDIE - Construct subrange DIE from DISubrange.
-void CompileUnit::constructSubrangeDIE(DIE &Buffer, DISubrange SR, DIE *IndexTy){
+void CompileUnit::constructSubrangeDIE(DIE &Buffer, DISubrange SR,
+ DIE *IndexTy) {
DIE *DW_Subrange = new DIE(dwarf::DW_TAG_subrange_type);
addDIEEntry(DW_Subrange, dwarf::DW_AT_type, dwarf::DW_FORM_ref4, IndexTy);
- int64_t L = SR.getLo();
- int64_t H = SR.getHi();
- // The L value defines the lower bounds which is typically zero for C/C++. The
- // H value is the upper bounds. Values are 64 bit. H - L + 1 is the size
- // of the array. If L > H then do not emit DW_AT_lower_bound and
- // DW_AT_upper_bound attributes. If L is zero and H is also zero then the
- // array has one element and in such case do not emit lower bound.
+ // The LowerBound value defines the lower bounds which is typically zero for
+ // C/C++. The Count value is the number of elements. Values are 64 bit. If
+ // Count == -1 then the array is unbounded and we do not emit
+ // DW_AT_lower_bound and DW_AT_upper_bound attributes. If LowerBound == 0 and
+ // Count == 0, then the array has zero elements in which case we do not emit
+ // an upper bound.
+ int64_t LowerBound = SR.getLo();
+ int64_t DefaultLowerBound = getDefaultLowerBound();
+ int64_t Count = SR.getCount();
+
+ if (DefaultLowerBound == -1 || LowerBound != DefaultLowerBound)
+ addUInt(DW_Subrange, dwarf::DW_AT_lower_bound, 0, LowerBound);
+
+ if (Count != -1 && Count != 0)
+ // FIXME: An unbounded array should reference the expression that defines
+ // the array.
+ addUInt(DW_Subrange, dwarf::DW_AT_upper_bound, 0, LowerBound + Count - 1);
- if (L > H) {
- Buffer.addChild(DW_Subrange);
- return;
- }
- if (L)
- addSInt(DW_Subrange, dwarf::DW_AT_lower_bound, 0, L);
- addSInt(DW_Subrange, dwarf::DW_AT_upper_bound, 0, H);
Buffer.addChild(DW_Subrange);
}
void CompileUnit::constructArrayTypeDIE(DIE &Buffer,
DICompositeType *CTy) {
Buffer.setTag(dwarf::DW_TAG_array_type);
- if (CTy->getTag() == dwarf::DW_TAG_vector_type)
- addUInt(&Buffer, dwarf::DW_AT_GNU_vector, dwarf::DW_FORM_flag, 1);
+ if (CTy->isVector())
+ addFlag(&Buffer, dwarf::DW_AT_GNU_vector);
// Emit derived type.
addType(&Buffer, CTy->getTypeDerivedFrom());
DIArray Elements = CTy->getTypeArray();
// Get an anonymous type for index type.
+ // FIXME: This type should be passed down from the front end
+ // as different languages may have different sizes for indexes.
DIE *IdxTy = getIndexTyDie();
if (!IdxTy) {
// Construct an anonymous type for index type.
IdxTy = new DIE(dwarf::DW_TAG_base_type);
+ addString(IdxTy, dwarf::DW_AT_name, "int");
addUInt(IdxTy, dwarf::DW_AT_byte_size, 0, sizeof(int32_t));
addUInt(IdxTy, dwarf::DW_AT_encoding, dwarf::DW_FORM_data1,
dwarf::DW_ATE_signed);
DIE *CompileUnit::constructEnumTypeDIE(DIEnumerator ETy) {
DIE *Enumerator = new DIE(dwarf::DW_TAG_enumerator);
StringRef Name = ETy.getName();
- addString(Enumerator, dwarf::DW_AT_name, dwarf::DW_FORM_string, Name);
+ addString(Enumerator, dwarf::DW_AT_name, Name);
int64_t Value = ETy.getEnumValue();
addSInt(Enumerator, dwarf::DW_AT_const_value, dwarf::DW_FORM_sdata, Value);
return Enumerator;
/// constructVariableDIE - Construct a DIE for the given DbgVariable.
DIE *CompileUnit::constructVariableDIE(DbgVariable *DV, bool isScopeAbstract) {
StringRef Name = DV->getName();
- if (Name.empty())
- return NULL;
// Translate tag to proper Dwarf tag.
unsigned Tag = DV->getTag();
addDIEEntry(VariableDie, dwarf::DW_AT_abstract_origin,
dwarf::DW_FORM_ref4, AbsDIE);
else {
- addString(VariableDie, dwarf::DW_AT_name,
- dwarf::DW_FORM_string, Name);
+ addString(VariableDie, dwarf::DW_AT_name, Name);
addSourceLine(VariableDie, DV->getVariable());
addType(VariableDie, DV->getType());
}
if (DV->isArtificial())
- addUInt(VariableDie, dwarf::DW_AT_artificial,
- dwarf::DW_FORM_flag, 1);
+ addFlag(VariableDie, dwarf::DW_AT_artificial);
if (isScopeAbstract) {
DV->setDIE(VariableDie);
return VariableDie;
}
- // Check if variable is described by a DBG_VALUE instruction.
+ // Check if variable is described by a DBG_VALUE instruction.
if (const MachineInstr *DVInsn = DV->getMInsn()) {
bool updated = false;
if (DVInsn->getNumOperands() == 3) {
TRI->getFrameRegister(*Asm->MF) == RegOp.getReg()) {
unsigned FrameReg = 0;
const TargetFrameLowering *TFI = Asm->TM.getFrameLowering();
- int Offset =
- TFI->getFrameIndexReference(*Asm->MF,
- DVInsn->getOperand(1).getImm(),
+ int Offset =
+ TFI->getFrameIndexReference(*Asm->MF,
+ DVInsn->getOperand(1).getImm(),
FrameReg);
MachineLocation Location(FrameReg, Offset);
addVariableAddress(DV, VariableDie, Location);
-
+
} else if (RegOp.getReg())
- addVariableAddress(DV, VariableDie,
+ addVariableAddress(DV, VariableDie,
MachineLocation(RegOp.getReg()));
updated = true;
}
else if (DVInsn->getOperand(0).isImm())
- updated =
+ updated =
addConstantValue(VariableDie, DVInsn->getOperand(0),
DV->getType());
else if (DVInsn->getOperand(0).isFPImm())
addConstantFPValue(VariableDie, DVInsn->getOperand(0));
else if (DVInsn->getOperand(0).isCImm())
updated =
- addConstantValue(VariableDie,
+ addConstantValue(VariableDie,
DVInsn->getOperand(0).getCImm(),
DV->getType().isUnsignedDIType());
} else {
- addVariableAddress(DV, VariableDie,
+ addVariableAddress(DV, VariableDie,
Asm->getDebugValueLocation(DVInsn));
updated = true;
}
if (FI != ~0) {
unsigned FrameReg = 0;
const TargetFrameLowering *TFI = Asm->TM.getFrameLowering();
- int Offset =
+ int Offset =
TFI->getFrameIndexReference(*Asm->MF, FI, FrameReg);
MachineLocation Location(FrameReg, Offset);
addVariableAddress(DV, VariableDie, Location);
DIE *MemberDie = new DIE(DT.getTag());
StringRef Name = DT.getName();
if (!Name.empty())
- addString(MemberDie, dwarf::DW_AT_name, dwarf::DW_FORM_string, Name);
+ addString(MemberDie, dwarf::DW_AT_name, Name);
addType(MemberDie, DT.getTypeDerivedFrom());
Offset -= FieldOffset;
// Maybe we need to work from the other end.
- if (Asm->getTargetData().isLittleEndian())
+ if (Asm->getDataLayout().isLittleEndian())
Offset = FieldSize - (Offset + Size);
addUInt(MemberDie, dwarf::DW_AT_bit_offset, 0, Offset);
addBlock(MemberDie, dwarf::DW_AT_data_member_location, 0, MemLocationDie);
if (DT.isProtected())
- addUInt(MemberDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_flag,
+ addUInt(MemberDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
dwarf::DW_ACCESS_protected);
else if (DT.isPrivate())
- addUInt(MemberDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_flag,
+ addUInt(MemberDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
dwarf::DW_ACCESS_private);
// Otherwise C++ member and base classes are considered public.
- else if (DT.getCompileUnit().getLanguage() == dwarf::DW_LANG_C_plus_plus)
- addUInt(MemberDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_flag,
+ else
+ addUInt(MemberDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
dwarf::DW_ACCESS_public);
if (DT.isVirtual())
- addUInt(MemberDie, dwarf::DW_AT_virtuality, dwarf::DW_FORM_flag,
+ addUInt(MemberDie, dwarf::DW_AT_virtuality, dwarf::DW_FORM_data1,
dwarf::DW_VIRTUALITY_virtual);
// Objective-C properties.
+ if (MDNode *PNode = DT.getObjCProperty())
+ if (DIEEntry *PropertyDie = getDIEEntry(PNode))
+ MemberDie->addValue(dwarf::DW_AT_APPLE_property, dwarf::DW_FORM_ref4,
+ PropertyDie);
+
+ if (DT.isArtificial())
+ addFlag(MemberDie, dwarf::DW_AT_artificial);
+
+ // This is only for backward compatibility.
StringRef PropertyName = DT.getObjCPropertyName();
if (!PropertyName.empty()) {
- addString(MemberDie, dwarf::DW_AT_APPLE_property_name, dwarf::DW_FORM_string,
- PropertyName);
+ addString(MemberDie, dwarf::DW_AT_APPLE_property_name, PropertyName);
StringRef GetterName = DT.getObjCPropertyGetterName();
if (!GetterName.empty())
- addString(MemberDie, dwarf::DW_AT_APPLE_property_getter,
- dwarf::DW_FORM_string, GetterName);
+ addString(MemberDie, dwarf::DW_AT_APPLE_property_getter, GetterName);
StringRef SetterName = DT.getObjCPropertySetterName();
if (!SetterName.empty())
- addString(MemberDie, dwarf::DW_AT_APPLE_property_setter,
- dwarf::DW_FORM_string, SetterName);
+ addString(MemberDie, dwarf::DW_AT_APPLE_property_setter, SetterName);
unsigned PropertyAttributes = 0;
if (DT.isReadOnlyObjCProperty())
PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_readonly;
if (DT.isNonAtomicObjCProperty())
PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_nonatomic;
if (PropertyAttributes)
- addUInt(MemberDie, dwarf::DW_AT_APPLE_property_attribute, 0,
+ addUInt(MemberDie, dwarf::DW_AT_APPLE_property_attribute, 0,
PropertyAttributes);
}
return MemberDie;
}
+
+/// createStaticMemberDIE - Create new DIE for C++ static member.
+DIE *CompileUnit::createStaticMemberDIE(const DIDerivedType DT) {
+ if (!DT.Verify())
+ return NULL;
+
+ DIE *StaticMemberDIE = new DIE(DT.getTag());
+ DIType Ty = DT.getTypeDerivedFrom();
+
+ addString(StaticMemberDIE, dwarf::DW_AT_name, DT.getName());
+ addType(StaticMemberDIE, Ty);
+ addSourceLine(StaticMemberDIE, DT);
+ addFlag(StaticMemberDIE, dwarf::DW_AT_external);
+ addFlag(StaticMemberDIE, dwarf::DW_AT_declaration);
+
+ // FIXME: We could omit private if the parent is a class_type, and
+ // public if the parent is something else.
+ if (DT.isProtected())
+ addUInt(StaticMemberDIE, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
+ dwarf::DW_ACCESS_protected);
+ else if (DT.isPrivate())
+ addUInt(StaticMemberDIE, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
+ dwarf::DW_ACCESS_private);
+ else
+ addUInt(StaticMemberDIE, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
+ dwarf::DW_ACCESS_public);
+
+ if (const ConstantInt *CI = dyn_cast_or_null<ConstantInt>(DT.getConstant()))
+ addConstantValue(StaticMemberDIE, CI, Ty.isUnsignedDIType());
+
+ insertDIE(DT, StaticMemberDIE);
+ return StaticMemberDIE;
+}