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Diffstat (limited to 'lib/CodeGen/AsmPrinter/DwarfCompileUnit.h')
| -rw-r--r-- | lib/CodeGen/AsmPrinter/DwarfCompileUnit.h | 409 |
1 files changed, 0 insertions, 409 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h deleted file mode 100644 index d782c88a510d..000000000000 --- a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h +++ /dev/null @@ -1,409 +0,0 @@ -//===-- llvm/CodeGen/DwarfCompileUnit.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/OwningPtr.h" -#include "llvm/ADT/StringMap.h" -#include "llvm/DebugInfo.h" -#include "llvm/MC/MCExpr.h" - -namespace llvm { - -class MachineLocation; -class MachineOperand; -class ConstantInt; -class ConstantFP; -class DbgVariable; - -//===----------------------------------------------------------------------===// -/// CompileUnit - This dwarf writer support class manages information associated -/// with a source file. -class CompileUnit { - /// UniqueID - a numeric ID unique among all CUs in the module - /// - unsigned UniqueID; - - /// Node - MDNode for the compile unit. - DICompileUnit Node; - - /// CUDie - Compile unit debug information entry. - /// - const OwningPtr<DIE> CUDie; - - /// Asm - Target of Dwarf emission. - AsmPrinter *Asm; - - // Holders for some common dwarf information. - DwarfDebug *DD; - DwarfUnits *DU; - - /// IndexTyDie - An anonymous type for index type. Owned by CUDie. - 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<DIE *> GlobalNames; - - /// GlobalTypes - A map of globally visible types for this unit. - /// - StringMap<DIE *> GlobalTypes; - - /// AccelNames - A map of names for the name accelerator table. - /// - StringMap<std::vector<DIE *> > AccelNames; - StringMap<std::vector<DIE *> > AccelObjC; - StringMap<std::vector<DIE *> > AccelNamespace; - StringMap<std::vector<std::pair<DIE *, unsigned> > > AccelTypes; - - /// DIEBlocks - A list of all the DIEBlocks in use. - std::vector<DIEBlock *> DIEBlocks; - - /// 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; - - // DIEValueAllocator - All DIEValues are allocated through this allocator. - BumpPtrAllocator DIEValueAllocator; - - // DIEIntegerOne - A preallocated DIEValue because 1 is used frequently. - DIEInteger *DIEIntegerOne; - -public: - CompileUnit(unsigned UID, DIE *D, DICompileUnit CU, AsmPrinter *A, - DwarfDebug *DW, DwarfUnits *DWU); - ~CompileUnit(); - - // Accessors. - unsigned getUniqueID() const { return UniqueID; } - uint16_t getLanguage() const { return Node.getLanguage(); } - DICompileUnit getNode() const { return Node; } - DIE *getCUDie() const { return CUDie.get(); } - const StringMap<DIE *> &getGlobalNames() const { return GlobalNames; } - const StringMap<DIE *> &getGlobalTypes() const { return GlobalTypes; } - - const StringMap<std::vector<DIE *> > &getAccelNames() const { - return AccelNames; - } - const StringMap<std::vector<DIE *> > &getAccelObjC() const { - return AccelObjC; - } - const StringMap<std::vector<DIE *> > &getAccelNamespace() const { - return AccelNamespace; - } - const StringMap<std::vector<std::pair<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 !CUDie->getChildren().empty(); } - - /// 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); - - /// addGlobalType - Add a new global type to the compile unit. - /// - void addGlobalType(DIType Ty); - - /// addPubTypes - Add a set of types from the subprogram to the global types. - void addPubTypes(DISubprogram SP); - - /// addAccelName - Add a new name to the name accelerator table. - void addAccelName(StringRef Name, DIE *Die); - - /// addAccelObjC - Add a new name to the ObjC accelerator table. - void addAccelObjC(StringRef Name, DIE *Die); - - /// addAccelNamespace - Add a new name to the namespace accelerator table. - void addAccelNamespace(StringRef Name, DIE *Die); - - /// addAccelType - Add a new type to the type accelerator table. - void addAccelType(StringRef Name, std::pair<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; - - DIEBlock *getDIEBlock() { return new (DIEValueAllocator) DIEBlock(); } - - /// 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) { CUDie->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(DIEBlock *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(DIEBlock *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(DIEBlock *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(DIEBlock *Die, dwarf::Form Form, const MCSymbol *Label); - - /// 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); - - /// 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(DIEBlock *Die, const MCSymbol *Label); - - /// addDelta - Add a label delta attribute data and value. - /// - void addDelta(DIE *Die, dwarf::Attribute Attribute, dwarf::Form Form, 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); - - /// 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, 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(DIEBlock *TheDie, unsigned Reg); - - /// addRegisterOffset - Add register offset. - void addRegisterOffset(DIEBlock *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 *getOrCreateContextDIE(DIScope Context); - - /// createGlobalVariableDIE - create global variable DIE. - void createGlobalVariableDIE(DIGlobalVariable GV); - - /// constructContainingTypeDIEs - Construct DIEs for types that contain - /// vtables. - void constructContainingTypeDIEs(); - - /// constructVariableDIE - Construct a DIE for the given DbgVariable. - DIE *constructVariableDIE(DbgVariable &DV, bool isScopeAbstract); - - /// 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. - 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. - void emitHeader(const MCSection *ASection, const MCSymbol *ASectionSym); - -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); - - /// getOrCreateStaticMemberDIE - Create new static data member DIE. - DIE *getOrCreateStaticMemberDIE(DIDerivedType DT); - - /// Offset of the CUDie from beginning of debug info section. - unsigned DebugInfoOffset; - - /// 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); - } -}; - -} // end llvm namespace -#endif |