ObjectFileMachO.cpp File Reference

#include "llvm/ADT/ScopeExit.h"
#include "llvm/ADT/StringRef.h"
#include "Plugins/Process/Utility/RegisterContextDarwin_arm.h"
#include "Plugins/Process/Utility/RegisterContextDarwin_arm64.h"
#include "Plugins/Process/Utility/RegisterContextDarwin_i386.h"
#include "Plugins/Process/Utility/RegisterContextDarwin_x86_64.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/ModuleSpec.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Core/Progress.h"
#include "lldb/Core/Section.h"
#include "lldb/Host/Host.h"
#include "lldb/Symbol/DWARFCallFrameInfo.h"
#include "lldb/Symbol/ObjectFile.h"
#include "lldb/Target/DynamicLoader.h"
#include "lldb/Target/MemoryRegionInfo.h"
#include "lldb/Target/Platform.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/SectionLoadList.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "lldb/Target/ThreadList.h"
#include "lldb/Utility/ArchSpec.h"
#include "lldb/Utility/DataBuffer.h"
#include "lldb/Utility/FileSpec.h"
#include "lldb/Utility/FileSpecList.h"
#include "lldb/Utility/LLDBLog.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/RangeMap.h"
#include "lldb/Utility/RegisterValue.h"
#include "lldb/Utility/Status.h"
#include "lldb/Utility/StreamString.h"
#include "lldb/Utility/Timer.h"
#include "lldb/Utility/UUID.h"
#include "lldb/Host/SafeMachO.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/Support/FormatVariadic.h"
#include "llvm/Support/MemoryBuffer.h"
#include "ObjectFileMachO.h"
#include "lldb/Utility/AppleUuidCompatibility.h"
#include <bitset>
#include <memory>
#include <optional>

Go to the source code of this file.

Classes
class	RegisterContextDarwin_x86_64_Mach
class	RegisterContextDarwin_i386_Mach
class	RegisterContextDarwin_arm_Mach
class	RegisterContextDarwin_arm64_Mach
struct	ObjectFileMachO::SegmentParsingContext
class	MachSymtabSectionInfo
struct	MachSymtabSectionInfo::SectionInfo
struct	TrieEntry
struct	TrieEntryWithOffset
struct	lldb_copy__dyld_process_cache_info
struct	all_image_infos_header
struct	image_entry
struct	segment_vmaddr
struct	page_object

Macros
#define	THUMB_ADDRESS_BIT_MASK   0xfffffffffffffffeull
#define	MACHO_NLIST_ARM_SYMBOL_IS_THUMB   0x0008
#define	TRIE_SYMBOL_IS_THUMB   (1ULL << 63)

Typedefs
typedef void *	dyld_process_info

Enumerations
enum	{ DebugSymbols = true , NonDebugSymbols = false }

Functions
static void	PrintRegisterValue (RegisterContext *reg_ctx, const char *name, const char *alt_name, size_t reg_byte_size, Stream &data)
static uint32_t	MachHeaderSizeFromMagic (uint32_t magic)
static uint32_t	GetSegmentPermissions (const llvm::MachO::segment_command_64 &seg_cmd)
static lldb::SectionType	GetSectionType (uint32_t flags, ConstString section_name)
static bool	ParseTrieEntries (DataExtractor &data, lldb::offset_t offset, const bool is_arm, addr_t text_seg_base_addr, std::vector< llvm::StringRef > &nameSlices, std::set< lldb::addr_t > &resolver_addresses, std::vector< TrieEntryWithOffset > &reexports, std::vector< TrieEntryWithOffset > &ext_symbols)
static SymbolType	GetSymbolType (const char *&symbol_name, bool &demangled_is_synthesized, const SectionSP &text_section_sp, const SectionSP &data_section_sp, const SectionSP &data_dirty_section_sp, const SectionSP &data_const_section_sp, const SectionSP &symbol_section)
static std::optional< struct nlist_64 >	ParseNList (DataExtractor &nlist_data, lldb::offset_t &nlist_data_offset, size_t nlist_byte_size)
static llvm::StringRef	GetOSName (uint32_t cmd)
unsigned int	mach_task_self ()
static llvm::VersionTuple	FindMinimumVersionInfo (DataExtractor &data, lldb::offset_t offset, size_t ncmds)
static offset_t	CreateAllImageInfosPayload (const lldb::ProcessSP &process_sp, offset_t initial_file_offset, StreamString &all_image_infos_payload, SaveCoreStyle core_style)

Macro Definition Documentation

MACHO_NLIST_ARM_SYMBOL_IS_THUMB

#define MACHO_NLIST_ARM_SYMBOL_IS_THUMB   0x0008

Definition at line 786 of file ObjectFileMachO.cpp.

THUMB_ADDRESS_BIT_MASK

#define THUMB_ADDRESS_BIT_MASK   0xfffffffffffffffeull

Definition at line 135 of file ObjectFileMachO.cpp.

TRIE_SYMBOL_IS_THUMB

#define TRIE_SYMBOL_IS_THUMB   (1ULL << 63)

Definition at line 2015 of file ObjectFileMachO.cpp.

Typedef Documentation

dyld_process_info

typedef void* dyld_process_info

Definition at line 5940 of file ObjectFileMachO.cpp.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
DebugSymbols
NonDebugSymbols

Definition at line 2220 of file ObjectFileMachO.cpp.

Function Documentation

CreateAllImageInfosPayload()

static offset_t CreateAllImageInfosPayload ( const lldb::ProcessSP &  process_sp, offset_t  initial_file_offset, StreamString &  all_image_infos_payload, SaveCoreStyle  core_style  )

static

Definition at line 6315 of file ObjectFileMachO.cpp.

References lldb_private::ModuleList::AppendIfNeeded(), lldb_private::ConstString::AsCString(), lldb_private::ModuleList::Clear(), all_image_infos_header::entries_fileoff, all_image_infos_header::entries_size, image_entry::filepath_offset, lldb_private::UUID::GetAsString(), lldb_private::ObjectFile::GetBaseAddress(), lldb_private::Target::GetImages(), lldb_private::Address::GetLoadAddress(), lldb_private::ModuleList::GetModuleAtIndex(), lldb_private::SectionList::GetSectionAtIndex(), lldb_private::ModuleList::GetSize(), lldb_private::SectionList::GetSize(), lldb_private::ThreadList::GetSize(), lldb_private::ThreadList::GetThreadAtIndex(), all_image_infos_header::imgcount, lldb_private::Address::IsValid(), lldb_private::UUID::IsValid(), LLDB_INVALID_ADDRESS, image_entry::load_address, pc, lldb_private::Stream::PutHex32(), lldb_private::Stream::PutHex64(), lldb_private::Stream::PutRawBytes(), image_entry::seg_addrs_offset, image_entry::segment_count, segment_vmaddr::segname, all_image_infos_header::unused, segment_vmaddr::unused, image_entry::uuid, all_image_infos_header::version, and segment_vmaddr::vmaddr.

Referenced by ObjectFileMachO::SaveCore().

FindMinimumVersionInfo()

static llvm::VersionTuple FindMinimumVersionInfo ( DataExtractor &  data, lldb::offset_t  offset, size_t  ncmds  )

static

Definition at line 6035 of file ObjectFileMachO.cpp.

References lldb_private::DataExtractor::GetU32().

Referenced by ObjectFileMachO::GetMinimumOSVersion(), and ObjectFileMachO::GetSDKVersion().

GetOSName()

static llvm::StringRef GetOSName ( uint32_t  cmd )

static

Definition at line 4864 of file ObjectFileMachO.cpp.

Referenced by ObjectFileMachO::GetAllArchSpecs().

GetSectionType()

static lldb::SectionType GetSectionType ( uint32_t  flags, ConstString  section_name  )

static

Definition at line 1430 of file ObjectFileMachO.cpp.

References lldb::eSectionTypeCode, lldb::eSectionTypeCompactUnwind, lldb::eSectionTypeCTF, lldb::eSectionTypeData, lldb::eSectionTypeData16, lldb::eSectionTypeData4, lldb::eSectionTypeData8, lldb::eSectionTypeDataCString, lldb::eSectionTypeDataCStringPointers, lldb::eSectionTypeDataObjCCFStrings, lldb::eSectionTypeDataObjCMessageRefs, lldb::eSectionTypeDataPointers, lldb::eSectionTypeDebug, lldb::eSectionTypeDWARFAppleNames, lldb::eSectionTypeDWARFAppleNamespaces, lldb::eSectionTypeDWARFAppleObjC, lldb::eSectionTypeDWARFAppleTypes, lldb::eSectionTypeDWARFDebugAbbrev, lldb::eSectionTypeDWARFDebugAbbrevDwo, lldb::eSectionTypeDWARFDebugAddr, lldb::eSectionTypeDWARFDebugAranges, lldb::eSectionTypeDWARFDebugCuIndex, lldb::eSectionTypeDWARFDebugFrame, lldb::eSectionTypeDWARFDebugInfo, lldb::eSectionTypeDWARFDebugInfoDwo, lldb::eSectionTypeDWARFDebugLine, lldb::eSectionTypeDWARFDebugLineStr, lldb::eSectionTypeDWARFDebugLoc, lldb::eSectionTypeDWARFDebugLocLists, lldb::eSectionTypeDWARFDebugLocListsDwo, lldb::eSectionTypeDWARFDebugMacInfo, lldb::eSectionTypeDWARFDebugMacro, lldb::eSectionTypeDWARFDebugNames, lldb::eSectionTypeDWARFDebugPubNames, lldb::eSectionTypeDWARFDebugPubTypes, lldb::eSectionTypeDWARFDebugRanges, lldb::eSectionTypeDWARFDebugRngLists, lldb::eSectionTypeDWARFDebugStr, lldb::eSectionTypeDWARFDebugStrDwo, lldb::eSectionTypeDWARFDebugStrOffsets, lldb::eSectionTypeDWARFDebugStrOffsetsDwo, lldb::eSectionTypeDWARFDebugTuIndex, lldb::eSectionTypeDWARFDebugTypes, lldb::eSectionTypeEHFrame, lldb::eSectionTypeGoSymtab, lldb::eSectionTypeOther, lldb::eSectionTypeSwiftModules, and lldb::eSectionTypeZeroFill.

Referenced by ObjectFileMachO::ProcessSegmentCommand().

GetSegmentPermissions()

static uint32_t GetSegmentPermissions ( const llvm::MachO::segment_command_64 &  seg_cmd )

static

Definition at line 1419 of file ObjectFileMachO.cpp.

Referenced by ObjectFileMachO::ProcessSegmentCommand().

GetSymbolType()

static SymbolType GetSymbolType ( const char *&  symbol_name, bool &  demangled_is_synthesized, const SectionSP &  text_section_sp, const SectionSP &  data_section_sp, const SectionSP &  data_dirty_section_sp, const SectionSP &  data_const_section_sp, const SectionSP &  symbol_section  )

static

Definition at line 2146 of file ObjectFileMachO.cpp.

References lldb::eSymbolTypeCode, lldb::eSymbolTypeData, lldb::eSymbolTypeException, lldb::eSymbolTypeInvalid, lldb::eSymbolTypeObjCClass, lldb::eSymbolTypeObjCIVar, lldb::eSymbolTypeObjCMetaClass, lldb::eSymbolTypeRuntime, and lldb::eSymbolTypeTrampoline.

Referenced by ObjectFileMachO::ParseSymtab().

mach_task_self()

unsigned int mach_task_self

(

)

Referenced by ObjectFileMachO::GetLLDBSharedCacheUUID(), and ObjectFileMachO::ParseSymtab().

MachHeaderSizeFromMagic()

static uint32_t MachHeaderSizeFromMagic ( uint32_t  magic )

static

Definition at line 769 of file ObjectFileMachO.cpp.

ParseNList()

static std::optional< struct nlist_64 > ParseNList ( DataExtractor &  nlist_data, lldb::offset_t &  nlist_data_offset, size_t  nlist_byte_size  )

static

Definition at line 2207 of file ObjectFileMachO.cpp.

References lldb_private::DataExtractor::GetAddress_unchecked(), lldb_private::DataExtractor::GetU16_unchecked(), lldb_private::DataExtractor::GetU32_unchecked(), lldb_private::DataExtractor::GetU8_unchecked(), and lldb_private::DataExtractor::ValidOffsetForDataOfSize().

Referenced by ObjectFileMachO::ParseSymtab().

ParseTrieEntries()

static bool ParseTrieEntries ( DataExtractor &  data, lldb::offset_t  offset, const bool  is_arm, addr_t  text_seg_base_addr, std::vector< llvm::StringRef > &  nameSlices, std::set< lldb::addr_t > &  resolver_addresses, std::vector< TrieEntryWithOffset > &  reexports, std::vector< TrieEntryWithOffset > &  ext_symbols  )

static

Definition at line 2053 of file ObjectFileMachO.cpp.

References TrieEntry::address, TrieEntryWithOffset::entry, TrieEntry::flags, lldb_private::DataExtractor::GetCStr(), lldb_private::DataExtractor::GetU8(), lldb_private::DataExtractor::GetULEB128(), TrieEntry::import_name, LLDB_INVALID_ADDRESS, TrieEntry::name, TrieEntry::other, ParseTrieEntries(), lldb_private::ConstString::SetCString(), lldb_private::ConstString::SetCStringWithLength(), lldb_private::Flags::Test(), THUMB_ADDRESS_BIT_MASK, TRIE_SYMBOL_IS_THUMB, and lldb_private::DataExtractor::ValidOffset().

Referenced by ObjectFileMachO::ParseSymtab(), and ParseTrieEntries().

PrintRegisterValue()

static void PrintRegisterValue ( RegisterContext *  reg_ctx, const char *  name, const char *  alt_name, size_t  reg_byte_size, Stream &  data  )

static

Definition at line 142 of file ObjectFileMachO.cpp.

References lldb_private::RegisterInfo::byte_size, and lldb_private::RegisterValue::GetBytes().

Referenced by RegisterContextDarwin_x86_64_Mach::Create_LC_THREAD(), RegisterContextDarwin_i386_Mach::Create_LC_THREAD(), RegisterContextDarwin_arm_Mach::Create_LC_THREAD(), and RegisterContextDarwin_arm64_Mach::Create_LC_THREAD().