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//===-- DWARFUnit.h ---------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef SymbolFileDWARF_DWARFUnit_h_
#define SymbolFileDWARF_DWARFUnit_h_
#include "DWARFDIE.h"
#include "DWARFDebugInfoEntry.h"
#include "lldb/lldb-enumerations.h"
class DWARFUnit;
class DWARFCompileUnit;
class NameToDIE;
class SymbolFileDWARF;
class SymbolFileDWARFDwo;
typedef std::shared_ptr<DWARFUnit> DWARFUnitSP;
enum DWARFProducer {
eProducerInvalid = 0,
eProducerClang,
eProducerGCC,
eProducerLLVMGCC,
eProcucerOther
};
class DWARFUnit {
public:
virtual ~DWARFUnit();
size_t ExtractDIEsIfNeeded(bool cu_die_only);
DWARFDIE LookupAddress(const dw_addr_t address);
size_t AppendDIEsWithTag(const dw_tag_t tag,
DWARFDIECollection &matching_dies,
uint32_t depth = UINT32_MAX) const;
bool Verify(lldb_private::Stream *s) const;
void Dump(lldb_private::Stream *s) const;
// Offset of the initial length field.
dw_offset_t GetOffset() const { return m_offset; }
lldb::user_id_t GetID() const;
// Size in bytes of the initial length + compile unit header.
uint32_t Size() const;
bool ContainsDIEOffset(dw_offset_t die_offset) const {
return die_offset >= GetFirstDIEOffset() &&
die_offset < GetNextCompileUnitOffset();
}
dw_offset_t GetFirstDIEOffset() const { return m_offset + Size(); }
dw_offset_t GetNextCompileUnitOffset() const;
// Size of the CU data (without initial length and without header).
size_t GetDebugInfoSize() const;
// Size of the CU data incl. header but without initial length.
uint32_t GetLength() const;
uint16_t GetVersion() const;
const DWARFAbbreviationDeclarationSet *GetAbbreviations() const;
dw_offset_t GetAbbrevOffset() const;
uint8_t GetAddressByteSize() const;
dw_addr_t GetBaseAddress() const;
dw_addr_t GetAddrBase() const;
dw_addr_t GetRangesBase() const;
void SetAddrBase(dw_addr_t addr_base, dw_addr_t ranges_base, dw_offset_t base_obj_offset);
void ClearDIEs(bool keep_compile_unit_die);
void BuildAddressRangeTable(SymbolFileDWARF *dwarf2Data,
DWARFDebugAranges *debug_aranges);
lldb::ByteOrder GetByteOrder() const;
lldb_private::TypeSystem *GetTypeSystem();
DWARFFormValue::FixedFormSizes GetFixedFormSizes();
void SetBaseAddress(dw_addr_t base_addr);
DWARFDIE
GetCompileUnitDIEOnly();
DWARFDIE
DIE();
bool HasDIEsParsed() const;
DWARFDIE GetDIE(dw_offset_t die_offset);
static uint8_t GetAddressByteSize(const DWARFUnit *cu);
static bool IsDWARF64(const DWARFUnit *cu);
static uint8_t GetDefaultAddressSize();
static void SetDefaultAddressSize(uint8_t addr_size);
void *GetUserData() const;
void SetUserData(void *d);
bool Supports_DW_AT_APPLE_objc_complete_type();
bool DW_AT_decl_file_attributes_are_invalid();
bool Supports_unnamed_objc_bitfields();
void Index(NameToDIE &func_basenames, NameToDIE &func_fullnames,
NameToDIE &func_methods, NameToDIE &func_selectors,
NameToDIE &objc_class_selectors, NameToDIE &globals,
NameToDIE &types, NameToDIE &namespaces);
SymbolFileDWARF *GetSymbolFileDWARF() const;
DWARFProducer GetProducer();
uint32_t GetProducerVersionMajor();
uint32_t GetProducerVersionMinor();
uint32_t GetProducerVersionUpdate();
static lldb::LanguageType LanguageTypeFromDWARF(uint64_t val);
lldb::LanguageType GetLanguageType();
bool IsDWARF64() const;
bool GetIsOptimized();
SymbolFileDWARFDwo *GetDwoSymbolFile() const;
dw_offset_t GetBaseObjOffset() const;
protected:
virtual DWARFCompileUnit &Data() = 0;
virtual const DWARFCompileUnit &Data() const = 0;
DWARFUnit();
static void
IndexPrivate(DWARFUnit *dwarf_cu, const lldb::LanguageType cu_language,
const DWARFFormValue::FixedFormSizes &fixed_form_sizes,
const dw_offset_t cu_offset, NameToDIE &func_basenames,
NameToDIE &func_fullnames, NameToDIE &func_methods,
NameToDIE &func_selectors, NameToDIE &objc_class_selectors,
NameToDIE &globals, NameToDIE &types, NameToDIE &namespaces);
// Offset of the initial length field.
dw_offset_t m_offset;
private:
const DWARFDebugInfoEntry *GetCompileUnitDIEPtrOnly();
const DWARFDebugInfoEntry *DIEPtr();
DISALLOW_COPY_AND_ASSIGN(DWARFUnit);
};
#endif // SymbolFileDWARF_DWARFUnit_h_
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