mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-27 15:29:51 +00:00
This removes a relocation from each subprogram, reducing link times, etc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203187 91177308-0d34-0410-b5e6-96231b3b80d8
611 lines
22 KiB
C++
611 lines
22 KiB
C++
//===-- llvm/CodeGen/DwarfUnit.h - Dwarf Compile Unit ---*- C++ -*--===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file contains support for writing dwarf compile unit.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef CODEGEN_ASMPRINTER_DWARFCOMPILEUNIT_H
|
|
#define CODEGEN_ASMPRINTER_DWARFCOMPILEUNIT_H
|
|
|
|
#include "DIE.h"
|
|
#include "DwarfDebug.h"
|
|
#include "llvm/ADT/DenseMap.h"
|
|
#include "llvm/ADT/Optional.h"
|
|
#include "llvm/ADT/StringMap.h"
|
|
#include "llvm/IR/DIBuilder.h"
|
|
#include "llvm/IR/DebugInfo.h"
|
|
#include "llvm/MC/MCExpr.h"
|
|
#include "llvm/MC/MCSection.h"
|
|
|
|
namespace llvm {
|
|
|
|
class MachineLocation;
|
|
class MachineOperand;
|
|
class ConstantInt;
|
|
class ConstantFP;
|
|
class DbgVariable;
|
|
class DwarfCompileUnit;
|
|
|
|
// Data structure to hold a range for range lists.
|
|
class RangeSpan {
|
|
public:
|
|
RangeSpan(MCSymbol *S, MCSymbol *E) : Start(S), End(E) {}
|
|
const MCSymbol *getStart() const { return Start; }
|
|
const MCSymbol *getEnd() const { return End; }
|
|
|
|
private:
|
|
const MCSymbol *Start, *End;
|
|
};
|
|
|
|
class RangeSpanList {
|
|
private:
|
|
// Index for locating within the debug_range section this particular span.
|
|
MCSymbol *RangeSym;
|
|
// List of ranges.
|
|
SmallVector<RangeSpan, 2> Ranges;
|
|
|
|
public:
|
|
RangeSpanList(MCSymbol *Sym) : RangeSym(Sym) {}
|
|
MCSymbol *getSym() const { return RangeSym; }
|
|
const SmallVectorImpl<RangeSpan> &getRanges() const { return Ranges; }
|
|
void addRange(RangeSpan Range) { Ranges.push_back(Range); }
|
|
};
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
/// Unit - This dwarf writer support class manages information associated
|
|
/// with a source file.
|
|
class DwarfUnit {
|
|
protected:
|
|
/// UniqueID - a numeric ID unique among all CUs in the module
|
|
unsigned UniqueID;
|
|
|
|
/// Node - MDNode for the compile unit.
|
|
DICompileUnit CUNode;
|
|
|
|
/// Unit debug information entry.
|
|
const std::unique_ptr<DIE> UnitDie;
|
|
|
|
/// Offset of the UnitDie from beginning of debug info section.
|
|
unsigned DebugInfoOffset;
|
|
|
|
/// Asm - Target of Dwarf emission.
|
|
AsmPrinter *Asm;
|
|
|
|
// Holders for some common dwarf information.
|
|
DwarfDebug *DD;
|
|
DwarfFile *DU;
|
|
|
|
/// IndexTyDie - An anonymous type for index type. Owned by UnitDie.
|
|
DIE *IndexTyDie;
|
|
|
|
/// MDNodeToDieMap - Tracks the mapping of unit level debug information
|
|
/// variables to debug information entries.
|
|
DenseMap<const MDNode *, DIE *> MDNodeToDieMap;
|
|
|
|
/// MDNodeToDIEEntryMap - Tracks the mapping of unit level debug information
|
|
/// descriptors to debug information entries using a DIEEntry proxy.
|
|
DenseMap<const MDNode *, DIEEntry *> MDNodeToDIEEntryMap;
|
|
|
|
/// GlobalNames - A map of globally visible named entities for this unit.
|
|
StringMap<const DIE *> GlobalNames;
|
|
|
|
/// GlobalTypes - A map of globally visible types for this unit.
|
|
StringMap<const DIE *> GlobalTypes;
|
|
|
|
/// AccelNames - A map of names for the name accelerator table.
|
|
StringMap<std::vector<const DIE *> > AccelNames;
|
|
|
|
/// AccelObjC - A map of objc spec for the objc accelerator table.
|
|
StringMap<std::vector<const DIE *> > AccelObjC;
|
|
|
|
/// AccelNamespace - A map of names for the namespace accelerator table.
|
|
StringMap<std::vector<const DIE *> > AccelNamespace;
|
|
|
|
/// AccelTypes - A map of names for the type accelerator table.
|
|
StringMap<std::vector<std::pair<const DIE *, unsigned> > > AccelTypes;
|
|
|
|
/// DIEBlocks - A list of all the DIEBlocks in use.
|
|
std::vector<DIEBlock *> DIEBlocks;
|
|
|
|
/// DIELocs - A list of all the DIELocs in use.
|
|
std::vector<DIELoc *> DIELocs;
|
|
|
|
/// ContainingTypeMap - This map is used to keep track of subprogram DIEs that
|
|
/// need DW_AT_containing_type attribute. This attribute points to a DIE that
|
|
/// corresponds to the MDNode mapped with the subprogram DIE.
|
|
DenseMap<DIE *, const MDNode *> ContainingTypeMap;
|
|
|
|
// List of ranges for a given compile unit.
|
|
SmallVector<RangeSpan, 1> CURanges;
|
|
|
|
// List of range lists for a given compile unit, separate from the ranges for
|
|
// the CU itself.
|
|
SmallVector<RangeSpanList, 1> CURangeLists;
|
|
|
|
// DIEValueAllocator - All DIEValues are allocated through this allocator.
|
|
BumpPtrAllocator DIEValueAllocator;
|
|
|
|
// DIEIntegerOne - A preallocated DIEValue because 1 is used frequently.
|
|
DIEInteger *DIEIntegerOne;
|
|
|
|
/// The section this unit will be emitted in.
|
|
const MCSection *Section;
|
|
|
|
/// A label at the start of the non-dwo section related to this unit.
|
|
MCSymbol *SectionSym;
|
|
|
|
/// The start of the unit within its section.
|
|
MCSymbol *LabelBegin;
|
|
|
|
/// The end of the unit within its section.
|
|
MCSymbol *LabelEnd;
|
|
|
|
/// The label for the start of the range sets for the elements of this unit.
|
|
MCSymbol *LabelRange;
|
|
|
|
/// Skeleton unit associated with this unit.
|
|
DwarfUnit *Skeleton;
|
|
|
|
DwarfUnit(unsigned UID, DIE *D, DICompileUnit CU, AsmPrinter *A,
|
|
DwarfDebug *DW, DwarfFile *DWU);
|
|
|
|
public:
|
|
virtual ~DwarfUnit();
|
|
|
|
/// Set the skeleton unit associated with this unit.
|
|
void setSkeleton(DwarfUnit *Skel) { Skeleton = Skel; }
|
|
|
|
/// Get the skeleton unit associated with this unit.
|
|
DwarfUnit *getSkeleton() const { return Skeleton; }
|
|
|
|
/// Pass in the SectionSym even though we could recreate it in every compile
|
|
/// unit (type units will have actually distinct symbols once they're in
|
|
/// comdat sections).
|
|
void initSection(const MCSection *Section, MCSymbol *SectionSym) {
|
|
assert(!this->Section);
|
|
this->Section = Section;
|
|
this->SectionSym = SectionSym;
|
|
this->LabelBegin =
|
|
Asm->GetTempSymbol(Section->getLabelBeginName(), getUniqueID());
|
|
this->LabelEnd =
|
|
Asm->GetTempSymbol(Section->getLabelEndName(), getUniqueID());
|
|
this->LabelRange = Asm->GetTempSymbol("gnu_ranges", getUniqueID());
|
|
}
|
|
|
|
const MCSection *getSection() const {
|
|
assert(Section);
|
|
return Section;
|
|
}
|
|
|
|
/// If there's a skeleton then return the section symbol for the skeleton
|
|
/// unit, otherwise return the section symbol for this unit.
|
|
MCSymbol *getLocalSectionSym() const {
|
|
if (Skeleton)
|
|
return Skeleton->getSectionSym();
|
|
return getSectionSym();
|
|
}
|
|
|
|
MCSymbol *getSectionSym() const {
|
|
assert(Section);
|
|
return SectionSym;
|
|
}
|
|
|
|
/// If there's a skeleton then return the begin label for the skeleton unit,
|
|
/// otherwise return the local label for this unit.
|
|
MCSymbol *getLocalLabelBegin() const {
|
|
if (Skeleton)
|
|
return Skeleton->getLabelBegin();
|
|
return getLabelBegin();
|
|
}
|
|
|
|
MCSymbol *getLabelBegin() const {
|
|
assert(Section);
|
|
return LabelBegin;
|
|
}
|
|
|
|
MCSymbol *getLabelEnd() const {
|
|
assert(Section);
|
|
return LabelEnd;
|
|
}
|
|
|
|
MCSymbol *getLabelRange() const {
|
|
assert(Section);
|
|
return LabelRange;
|
|
}
|
|
|
|
// Accessors.
|
|
unsigned getUniqueID() const { return UniqueID; }
|
|
uint16_t getLanguage() const { return CUNode.getLanguage(); }
|
|
DICompileUnit getCUNode() const { return CUNode; }
|
|
DIE *getUnitDie() const { return UnitDie.get(); }
|
|
const StringMap<const DIE *> &getGlobalNames() const { return GlobalNames; }
|
|
const StringMap<const DIE *> &getGlobalTypes() const { return GlobalTypes; }
|
|
|
|
const StringMap<std::vector<const DIE *> > &getAccelNames() const {
|
|
return AccelNames;
|
|
}
|
|
const StringMap<std::vector<const DIE *> > &getAccelObjC() const {
|
|
return AccelObjC;
|
|
}
|
|
const StringMap<std::vector<const DIE *> > &getAccelNamespace() const {
|
|
return AccelNamespace;
|
|
}
|
|
const StringMap<std::vector<std::pair<const DIE *, unsigned> > > &
|
|
getAccelTypes() const {
|
|
return AccelTypes;
|
|
}
|
|
|
|
unsigned getDebugInfoOffset() const { return DebugInfoOffset; }
|
|
void setDebugInfoOffset(unsigned DbgInfoOff) { DebugInfoOffset = DbgInfoOff; }
|
|
|
|
/// hasContent - Return true if this compile unit has something to write out.
|
|
bool hasContent() const { return !UnitDie->getChildren().empty(); }
|
|
|
|
/// addRange - Add an address range to the list of ranges for this unit.
|
|
void addRange(RangeSpan Range) {
|
|
// Only add a range for this unit if we're emitting full debug.
|
|
if (getCUNode().getEmissionKind() == DIBuilder::FullDebug)
|
|
CURanges.push_back(Range);
|
|
}
|
|
|
|
/// getRanges - Get the list of ranges for this unit.
|
|
const SmallVectorImpl<RangeSpan> &getRanges() const { return CURanges; }
|
|
SmallVectorImpl<RangeSpan> &getRanges() { return CURanges; }
|
|
|
|
/// addRangeList - Add an address range list to the list of range lists.
|
|
void addRangeList(RangeSpanList Ranges) { CURangeLists.push_back(Ranges); }
|
|
|
|
/// getRangeLists - Get the vector of range lists.
|
|
const SmallVectorImpl<RangeSpanList> &getRangeLists() const {
|
|
return CURangeLists;
|
|
}
|
|
SmallVectorImpl<RangeSpanList> &getRangeLists() { return CURangeLists; }
|
|
|
|
/// getParentContextString - Get a string containing the language specific
|
|
/// context for a global name.
|
|
std::string getParentContextString(DIScope Context) const;
|
|
|
|
/// addGlobalName - Add a new global entity to the compile unit.
|
|
///
|
|
void addGlobalName(StringRef Name, DIE *Die, DIScope Context);
|
|
|
|
/// addAccelName - Add a new name to the name accelerator table.
|
|
void addAccelName(StringRef Name, const DIE *Die);
|
|
|
|
/// addAccelObjC - Add a new name to the ObjC accelerator table.
|
|
void addAccelObjC(StringRef Name, const DIE *Die);
|
|
|
|
/// addAccelNamespace - Add a new name to the namespace accelerator table.
|
|
void addAccelNamespace(StringRef Name, const DIE *Die);
|
|
|
|
/// addAccelType - Add a new type to the type accelerator table.
|
|
void addAccelType(StringRef Name, std::pair<const DIE *, unsigned> Die);
|
|
|
|
/// getDIE - Returns the debug information entry map slot for the
|
|
/// specified debug variable. We delegate the request to DwarfDebug
|
|
/// when the MDNode can be part of the type system, since DIEs for
|
|
/// the type system can be shared across CUs and the mappings are
|
|
/// kept in DwarfDebug.
|
|
DIE *getDIE(DIDescriptor D) const;
|
|
|
|
/// getDIELoc - Returns a fresh newly allocated DIELoc.
|
|
DIELoc *getDIELoc() { return new (DIEValueAllocator) DIELoc(); }
|
|
|
|
/// insertDIE - Insert DIE into the map. We delegate the request to DwarfDebug
|
|
/// when the MDNode can be part of the type system, since DIEs for
|
|
/// the type system can be shared across CUs and the mappings are
|
|
/// kept in DwarfDebug.
|
|
void insertDIE(DIDescriptor Desc, DIE *D);
|
|
|
|
/// addDie - Adds or interns the DIE to the compile unit.
|
|
///
|
|
void addDie(DIE *Buffer) { UnitDie->addChild(Buffer); }
|
|
|
|
/// addFlag - Add a flag that is true to the DIE.
|
|
void addFlag(DIE *Die, dwarf::Attribute Attribute);
|
|
|
|
/// addUInt - Add an unsigned integer attribute data and value.
|
|
void addUInt(DIE *Die, dwarf::Attribute Attribute, Optional<dwarf::Form> Form,
|
|
uint64_t Integer);
|
|
|
|
void addUInt(DIE *Block, dwarf::Form Form, uint64_t Integer);
|
|
|
|
/// addSInt - Add an signed integer attribute data and value.
|
|
void addSInt(DIE *Die, dwarf::Attribute Attribute, Optional<dwarf::Form> Form,
|
|
int64_t Integer);
|
|
|
|
void addSInt(DIELoc *Die, Optional<dwarf::Form> Form, int64_t Integer);
|
|
|
|
/// addString - Add a string attribute data and value.
|
|
void addString(DIE *Die, dwarf::Attribute Attribute, const StringRef Str);
|
|
|
|
/// addLocalString - Add a string attribute data and value.
|
|
void addLocalString(DIE *Die, dwarf::Attribute Attribute,
|
|
const StringRef Str);
|
|
|
|
/// addExpr - Add a Dwarf expression attribute data and value.
|
|
void addExpr(DIELoc *Die, dwarf::Form Form, const MCExpr *Expr);
|
|
|
|
/// addLabel - Add a Dwarf label attribute data and value.
|
|
void addLabel(DIE *Die, dwarf::Attribute Attribute, dwarf::Form Form,
|
|
const MCSymbol *Label);
|
|
|
|
void addLabel(DIELoc *Die, dwarf::Form Form, const MCSymbol *Label);
|
|
|
|
/// addLocationList - Add a Dwarf loclistptr attribute data and value.
|
|
void addLocationList(DIE *Die, dwarf::Attribute Attribute, unsigned Index);
|
|
|
|
/// addSectionLabel - Add a Dwarf section label attribute data and value.
|
|
///
|
|
void addSectionLabel(DIE *Die, dwarf::Attribute Attribute,
|
|
const MCSymbol *Label);
|
|
|
|
/// addSectionOffset - Add an offset into a section attribute data and value.
|
|
///
|
|
void addSectionOffset(DIE *Die, dwarf::Attribute Attribute, uint64_t Integer);
|
|
|
|
/// addOpAddress - Add a dwarf op address data and value using the
|
|
/// form given and an op of either DW_FORM_addr or DW_FORM_GNU_addr_index.
|
|
void addOpAddress(DIELoc *Die, const MCSymbol *Label);
|
|
|
|
/// addSectionDelta - Add a label delta attribute data and value.
|
|
void addSectionDelta(DIE *Die, dwarf::Attribute Attribute, const MCSymbol *Hi,
|
|
const MCSymbol *Lo);
|
|
|
|
/// addLabelDelta - Add a label delta attribute data and value.
|
|
void addLabelDelta(DIE *Die, dwarf::Attribute Attribute, const MCSymbol *Hi,
|
|
const MCSymbol *Lo);
|
|
|
|
/// addDIEEntry - Add a DIE attribute data and value.
|
|
void addDIEEntry(DIE *Die, dwarf::Attribute Attribute, DIE *Entry);
|
|
|
|
/// addDIEEntry - Add a DIE attribute data and value.
|
|
void addDIEEntry(DIE *Die, dwarf::Attribute Attribute, DIEEntry *Entry);
|
|
|
|
void addDIETypeSignature(DIE *Die, const DwarfTypeUnit &Type);
|
|
|
|
/// addBlock - Add block data.
|
|
void addBlock(DIE *Die, dwarf::Attribute Attribute, DIELoc *Block);
|
|
|
|
/// addBlock - Add block data.
|
|
void addBlock(DIE *Die, dwarf::Attribute Attribute, DIEBlock *Block);
|
|
|
|
/// addSourceLine - Add location information to specified debug information
|
|
/// entry.
|
|
void addSourceLine(DIE *Die, unsigned Line, StringRef File,
|
|
StringRef Directory);
|
|
void addSourceLine(DIE *Die, DIVariable V);
|
|
void addSourceLine(DIE *Die, DIGlobalVariable G);
|
|
void addSourceLine(DIE *Die, DISubprogram SP);
|
|
void addSourceLine(DIE *Die, DIType Ty);
|
|
void addSourceLine(DIE *Die, DINameSpace NS);
|
|
void addSourceLine(DIE *Die, DIObjCProperty Ty);
|
|
|
|
/// addAddress - Add an address attribute to a die based on the location
|
|
/// provided.
|
|
void addAddress(DIE *Die, dwarf::Attribute Attribute,
|
|
const MachineLocation &Location, bool Indirect = false);
|
|
|
|
/// addConstantValue - Add constant value entry in variable DIE.
|
|
void addConstantValue(DIE *Die, const MachineOperand &MO, DIType Ty);
|
|
void addConstantValue(DIE *Die, const ConstantInt *CI, bool Unsigned);
|
|
void addConstantValue(DIE *Die, const APInt &Val, bool Unsigned);
|
|
|
|
/// addConstantFPValue - Add constant value entry in variable DIE.
|
|
void addConstantFPValue(DIE *Die, const MachineOperand &MO);
|
|
void addConstantFPValue(DIE *Die, const ConstantFP *CFP);
|
|
|
|
/// addTemplateParams - Add template parameters in buffer.
|
|
void addTemplateParams(DIE &Buffer, DIArray TParams);
|
|
|
|
/// addRegisterOp - Add register operand.
|
|
void addRegisterOp(DIELoc *TheDie, unsigned Reg);
|
|
|
|
/// addRegisterOffset - Add register offset.
|
|
void addRegisterOffset(DIELoc *TheDie, unsigned Reg, int64_t Offset);
|
|
|
|
/// addComplexAddress - Start with the address based on the location provided,
|
|
/// and generate the DWARF information necessary to find the actual variable
|
|
/// (navigating the extra location information encoded in the type) based on
|
|
/// the starting location. Add the DWARF information to the die.
|
|
void addComplexAddress(const DbgVariable &DV, DIE *Die,
|
|
dwarf::Attribute Attribute,
|
|
const MachineLocation &Location);
|
|
|
|
// FIXME: Should be reformulated in terms of addComplexAddress.
|
|
/// addBlockByrefAddress - Start with the address based on the location
|
|
/// provided, and generate the DWARF information necessary to find the
|
|
/// actual Block variable (navigating the Block struct) based on the
|
|
/// starting location. Add the DWARF information to the die. Obsolete,
|
|
/// please use addComplexAddress instead.
|
|
void addBlockByrefAddress(const DbgVariable &DV, DIE *Die,
|
|
dwarf::Attribute Attribute,
|
|
const MachineLocation &Location);
|
|
|
|
/// addVariableAddress - Add DW_AT_location attribute for a
|
|
/// DbgVariable based on provided MachineLocation.
|
|
void addVariableAddress(const DbgVariable &DV, DIE *Die,
|
|
MachineLocation Location);
|
|
|
|
/// addType - Add a new type attribute to the specified entity. This takes
|
|
/// and attribute parameter because DW_AT_friend attributes are also
|
|
/// type references.
|
|
void addType(DIE *Entity, DIType Ty,
|
|
dwarf::Attribute Attribute = dwarf::DW_AT_type);
|
|
|
|
/// getOrCreateNameSpace - Create a DIE for DINameSpace.
|
|
DIE *getOrCreateNameSpace(DINameSpace NS);
|
|
|
|
/// getOrCreateSubprogramDIE - Create new DIE using SP.
|
|
DIE *getOrCreateSubprogramDIE(DISubprogram SP);
|
|
|
|
/// getOrCreateTypeDIE - Find existing DIE or create new DIE for the
|
|
/// given DIType.
|
|
DIE *getOrCreateTypeDIE(const MDNode *N);
|
|
|
|
/// getOrCreateContextDIE - Get context owner's DIE.
|
|
DIE *createTypeDIE(DICompositeType Ty);
|
|
|
|
/// getOrCreateContextDIE - Get context owner's DIE.
|
|
DIE *getOrCreateContextDIE(DIScope Context);
|
|
|
|
/// constructContainingTypeDIEs - Construct DIEs for types that contain
|
|
/// vtables.
|
|
void constructContainingTypeDIEs();
|
|
|
|
/// constructVariableDIE - Construct a DIE for the given DbgVariable.
|
|
DIE *constructVariableDIE(DbgVariable &DV, bool isScopeAbstract);
|
|
|
|
/// constructSubprogramArguments - Construct function argument DIEs.
|
|
void constructSubprogramArguments(DIE &Buffer, DIArray Args);
|
|
|
|
/// Create a DIE with the given Tag, add the DIE to its parent, and
|
|
/// call insertDIE if MD is not null.
|
|
DIE *createAndAddDIE(unsigned Tag, DIE &Parent,
|
|
DIDescriptor N = DIDescriptor());
|
|
|
|
/// Compute the size of a header for this unit, not including the initial
|
|
/// length field.
|
|
virtual unsigned getHeaderSize() const {
|
|
return sizeof(int16_t) + // DWARF version number
|
|
sizeof(int32_t) + // Offset Into Abbrev. Section
|
|
sizeof(int8_t); // Pointer Size (in bytes)
|
|
}
|
|
|
|
/// Emit the header for this unit, not including the initial length field.
|
|
virtual void emitHeader(const MCSection *ASection,
|
|
const MCSymbol *ASectionSym) const;
|
|
|
|
virtual DwarfCompileUnit &getCU() = 0;
|
|
|
|
protected:
|
|
/// getOrCreateStaticMemberDIE - Create new static data member DIE.
|
|
DIE *getOrCreateStaticMemberDIE(DIDerivedType DT);
|
|
|
|
private:
|
|
/// constructTypeDIE - Construct basic type die from DIBasicType.
|
|
void constructTypeDIE(DIE &Buffer, DIBasicType BTy);
|
|
|
|
/// constructTypeDIE - Construct derived type die from DIDerivedType.
|
|
void constructTypeDIE(DIE &Buffer, DIDerivedType DTy);
|
|
|
|
/// constructTypeDIE - Construct type DIE from DICompositeType.
|
|
void constructTypeDIE(DIE &Buffer, DICompositeType CTy);
|
|
|
|
/// constructSubrangeDIE - Construct subrange DIE from DISubrange.
|
|
void constructSubrangeDIE(DIE &Buffer, DISubrange SR, DIE *IndexTy);
|
|
|
|
/// constructArrayTypeDIE - Construct array type DIE from DICompositeType.
|
|
void constructArrayTypeDIE(DIE &Buffer, DICompositeType CTy);
|
|
|
|
/// constructEnumTypeDIE - Construct enum type DIE from DIEnumerator.
|
|
void constructEnumTypeDIE(DIE &Buffer, DICompositeType CTy);
|
|
|
|
/// constructMemberDIE - Construct member DIE from DIDerivedType.
|
|
void constructMemberDIE(DIE &Buffer, DIDerivedType DT);
|
|
|
|
/// constructTemplateTypeParameterDIE - Construct new DIE for the given
|
|
/// DITemplateTypeParameter.
|
|
void constructTemplateTypeParameterDIE(DIE &Buffer,
|
|
DITemplateTypeParameter TP);
|
|
|
|
/// constructTemplateValueParameterDIE - Construct new DIE for the given
|
|
/// DITemplateValueParameter.
|
|
void constructTemplateValueParameterDIE(DIE &Buffer,
|
|
DITemplateValueParameter TVP);
|
|
|
|
/// getLowerBoundDefault - Return the default lower bound for an array. If the
|
|
/// DWARF version doesn't handle the language, return -1.
|
|
int64_t getDefaultLowerBound() const;
|
|
|
|
/// getDIEEntry - Returns the debug information entry for the specified
|
|
/// debug variable.
|
|
DIEEntry *getDIEEntry(const MDNode *N) const {
|
|
return MDNodeToDIEEntryMap.lookup(N);
|
|
}
|
|
|
|
/// insertDIEEntry - Insert debug information entry into the map.
|
|
void insertDIEEntry(const MDNode *N, DIEEntry *E) {
|
|
MDNodeToDIEEntryMap.insert(std::make_pair(N, E));
|
|
}
|
|
|
|
// getIndexTyDie - Get an anonymous type for index type.
|
|
DIE *getIndexTyDie() { return IndexTyDie; }
|
|
|
|
// setIndexTyDie - Set D as anonymous type for index which can be reused
|
|
// later.
|
|
void setIndexTyDie(DIE *D) { IndexTyDie = D; }
|
|
|
|
/// createDIEEntry - Creates a new DIEEntry to be a proxy for a debug
|
|
/// information entry.
|
|
DIEEntry *createDIEEntry(DIE *Entry);
|
|
|
|
/// resolve - Look in the DwarfDebug map for the MDNode that
|
|
/// corresponds to the reference.
|
|
template <typename T> T resolve(DIRef<T> Ref) const {
|
|
return DD->resolve(Ref);
|
|
}
|
|
|
|
/// If this is a named finished type then include it in the list of types for
|
|
/// the accelerator tables.
|
|
void updateAcceleratorTables(DIScope Context, DIType Ty, const DIE *TyDIE);
|
|
};
|
|
|
|
class DwarfCompileUnit : public DwarfUnit {
|
|
/// The attribute index of DW_AT_stmt_list in the compile unit DIE, avoiding
|
|
/// the need to search for it in applyStmtList.
|
|
unsigned stmtListIndex;
|
|
|
|
public:
|
|
DwarfCompileUnit(unsigned UID, DIE *D, DICompileUnit Node, AsmPrinter *A,
|
|
DwarfDebug *DW, DwarfFile *DWU);
|
|
|
|
void initStmtList(MCSymbol *DwarfLineSectionSym);
|
|
|
|
/// Apply the DW_AT_stmt_list from this compile unit to the specified DIE.
|
|
void applyStmtList(DIE &D);
|
|
|
|
/// createGlobalVariableDIE - create global variable DIE.
|
|
void createGlobalVariableDIE(DIGlobalVariable GV);
|
|
|
|
/// addLabelAddress - Add a dwarf label attribute data and value using
|
|
/// either DW_FORM_addr or DW_FORM_GNU_addr_index.
|
|
void addLabelAddress(DIE *Die, dwarf::Attribute Attribute, MCSymbol *Label);
|
|
|
|
DwarfCompileUnit &getCU() override { return *this; }
|
|
};
|
|
|
|
class DwarfTypeUnit : public DwarfUnit {
|
|
private:
|
|
uint64_t TypeSignature;
|
|
const DIE *Ty;
|
|
DwarfCompileUnit &CU;
|
|
|
|
public:
|
|
DwarfTypeUnit(unsigned UID, DIE *D, DwarfCompileUnit &CU, AsmPrinter *A,
|
|
DwarfDebug *DW, DwarfFile *DWU);
|
|
|
|
void setTypeSignature(uint64_t Signature) { TypeSignature = Signature; }
|
|
uint64_t getTypeSignature() const { return TypeSignature; }
|
|
void setType(const DIE *Ty) { this->Ty = Ty; }
|
|
|
|
/// Emit the header for this unit, not including the initial length field.
|
|
void emitHeader(const MCSection *ASection, const MCSymbol *ASectionSym) const
|
|
override;
|
|
unsigned getHeaderSize() const override {
|
|
return DwarfUnit::getHeaderSize() + sizeof(uint64_t) + // Type Signature
|
|
sizeof(uint32_t); // Type DIE Offset
|
|
}
|
|
void initSection(const MCSection *Section);
|
|
DwarfCompileUnit &getCU() override { return CU; }
|
|
};
|
|
} // end llvm namespace
|
|
#endif
|