uint32_t
SectionList::AddUniqueSection (SectionSP& sect_sp)
{
uint32_t sect_idx = FindSectionIndex (sect_sp.get());
if (sect_idx == UINT32_MAX)
sect_idx = AddSection (sect_sp);
return sect_idx;
}
void UnwindTable::Initialize() {
if (m_initialized)
return;
std::lock_guard<std::mutex> guard(m_mutex);
if (m_initialized) // check again once we've acquired the lock
return;
m_initialized = true;
SectionList *sl = m_object_file.GetSectionList();
if (!sl)
return;
SectionSP sect = sl->FindSectionByType(eSectionTypeEHFrame, true);
if (sect.get()) {
m_eh_frame_up.reset(
new DWARFCallFrameInfo(m_object_file, sect, DWARFCallFrameInfo::EH));
}
sect = sl->FindSectionByType(eSectionTypeDWARFDebugFrame, true);
if (sect) {
m_debug_frame_up.reset(
new DWARFCallFrameInfo(m_object_file, sect, DWARFCallFrameInfo::DWARF));
}
sect = sl->FindSectionByType(eSectionTypeCompactUnwind, true);
if (sect) {
m_compact_unwind_up.reset(new CompactUnwindInfo(m_object_file, sect));
}
sect = sl->FindSectionByType(eSectionTypeARMexidx, true);
if (sect) {
SectionSP sect_extab = sl->FindSectionByType(eSectionTypeARMextab, true);
if (sect_extab.get()) {
m_arm_unwind_up.reset(new ArmUnwindInfo(m_object_file, sect, sect_extab));
}
}
}
void
UnwindTable::Initialize ()
{
if (m_initialized)
return;
SectionList* sl = m_object_file.GetSectionList ();
if (sl)
{
SectionSP sect = sl->FindSectionByType (eSectionTypeEHFrame, true);
if (sect.get())
{
m_eh_frame = new DWARFCallFrameInfo(m_object_file, sect, eRegisterKindGCC, true);
}
}
ArchSpec arch;
if (m_object_file.GetArchitecture (arch))
{
m_assembly_profiler = UnwindAssembly::FindPlugin (arch);
m_initialized = true;
}
}
AddressClass
ObjectFile::GetAddressClass (addr_t file_addr)
{
Symtab *symtab = GetSymtab(ObjectFile::eSymtabFromUnifiedSectionList);
if (symtab)
{
Symbol *symbol = symtab->FindSymbolContainingFileAddress(file_addr);
if (symbol)
{
if (symbol->ValueIsAddress())
{
const SectionSP section_sp (symbol->GetAddress().GetSection());
if (section_sp)
{
const SectionType section_type = section_sp->GetType();
switch (section_type)
{
case eSectionTypeInvalid: return eAddressClassUnknown;
case eSectionTypeCode: return eAddressClassCode;
case eSectionTypeContainer: return eAddressClassUnknown;
case eSectionTypeData:
case eSectionTypeDataCString:
case eSectionTypeDataCStringPointers:
case eSectionTypeDataSymbolAddress:
case eSectionTypeData4:
case eSectionTypeData8:
case eSectionTypeData16:
case eSectionTypeDataPointers:
case eSectionTypeZeroFill:
case eSectionTypeDataObjCMessageRefs:
case eSectionTypeDataObjCCFStrings:
return eAddressClassData;
case eSectionTypeDebug:
case eSectionTypeDWARFDebugAbbrev:
case eSectionTypeDWARFDebugAranges:
case eSectionTypeDWARFDebugFrame:
case eSectionTypeDWARFDebugInfo:
case eSectionTypeDWARFDebugLine:
case eSectionTypeDWARFDebugLoc:
case eSectionTypeDWARFDebugMacInfo:
case eSectionTypeDWARFDebugPubNames:
case eSectionTypeDWARFDebugPubTypes:
case eSectionTypeDWARFDebugRanges:
case eSectionTypeDWARFDebugStr:
case eSectionTypeDWARFAppleNames:
case eSectionTypeDWARFAppleTypes:
case eSectionTypeDWARFAppleNamespaces:
case eSectionTypeDWARFAppleObjC:
return eAddressClassDebug;
case eSectionTypeEHFrame: return eAddressClassRuntime;
case eSectionTypeELFSymbolTable:
case eSectionTypeELFDynamicSymbols:
case eSectionTypeELFRelocationEntries:
case eSectionTypeELFDynamicLinkInfo:
case eSectionTypeOther: return eAddressClassUnknown;
}
}
}
const SymbolType symbol_type = symbol->GetType();
switch (symbol_type)
{
case eSymbolTypeAny: return eAddressClassUnknown;
case eSymbolTypeAbsolute: return eAddressClassUnknown;
case eSymbolTypeCode: return eAddressClassCode;
case eSymbolTypeTrampoline: return eAddressClassCode;
case eSymbolTypeResolver: return eAddressClassCode;
case eSymbolTypeData: return eAddressClassData;
case eSymbolTypeRuntime: return eAddressClassRuntime;
case eSymbolTypeException: return eAddressClassRuntime;
case eSymbolTypeSourceFile: return eAddressClassDebug;
case eSymbolTypeHeaderFile: return eAddressClassDebug;
case eSymbolTypeObjectFile: return eAddressClassDebug;
case eSymbolTypeCommonBlock: return eAddressClassDebug;
case eSymbolTypeBlock: return eAddressClassDebug;
case eSymbolTypeLocal: return eAddressClassData;
case eSymbolTypeParam: return eAddressClassData;
case eSymbolTypeVariable: return eAddressClassData;
case eSymbolTypeVariableType: return eAddressClassDebug;
case eSymbolTypeLineEntry: return eAddressClassDebug;
case eSymbolTypeLineHeader: return eAddressClassDebug;
case eSymbolTypeScopeBegin: return eAddressClassDebug;
case eSymbolTypeScopeEnd: return eAddressClassDebug;
case eSymbolTypeAdditional: return eAddressClassUnknown;
case eSymbolTypeCompiler: return eAddressClassDebug;
case eSymbolTypeInstrumentation:return eAddressClassDebug;
case eSymbolTypeUndefined: return eAddressClassUnknown;
case eSymbolTypeObjCClass: return eAddressClassRuntime;
case eSymbolTypeObjCMetaClass: return eAddressClassRuntime;
case eSymbolTypeObjCIVar: return eAddressClassRuntime;
}
}
}
return eAddressClassUnknown;
}
AddressClass ObjectFile::GetAddressClass(addr_t file_addr) {
Symtab *symtab = GetSymtab();
if (symtab) {
Symbol *symbol = symtab->FindSymbolContainingFileAddress(file_addr);
if (symbol) {
if (symbol->ValueIsAddress()) {
const SectionSP section_sp(symbol->GetAddressRef().GetSection());
if (section_sp) {
const SectionType section_type = section_sp->GetType();
switch (section_type) {
case eSectionTypeInvalid:
return eAddressClassUnknown;
case eSectionTypeCode:
return eAddressClassCode;
case eSectionTypeContainer:
return eAddressClassUnknown;
case eSectionTypeData:
case eSectionTypeDataCString:
case eSectionTypeDataCStringPointers:
case eSectionTypeDataSymbolAddress:
case eSectionTypeData4:
case eSectionTypeData8:
case eSectionTypeData16:
case eSectionTypeDataPointers:
case eSectionTypeZeroFill:
case eSectionTypeDataObjCMessageRefs:
case eSectionTypeDataObjCCFStrings:
case eSectionTypeGoSymtab:
return eAddressClassData;
case eSectionTypeDebug:
case eSectionTypeDWARFDebugAbbrev:
case eSectionTypeDWARFDebugAddr:
case eSectionTypeDWARFDebugAranges:
case eSectionTypeDWARFDebugFrame:
case eSectionTypeDWARFDebugInfo:
case eSectionTypeDWARFDebugLine:
case eSectionTypeDWARFDebugLoc:
case eSectionTypeDWARFDebugMacInfo:
case eSectionTypeDWARFDebugMacro:
case eSectionTypeDWARFDebugPubNames:
case eSectionTypeDWARFDebugPubTypes:
case eSectionTypeDWARFDebugRanges:
case eSectionTypeDWARFDebugStr:
case eSectionTypeDWARFDebugStrOffsets:
case eSectionTypeDWARFAppleNames:
case eSectionTypeDWARFAppleTypes:
case eSectionTypeDWARFAppleNamespaces:
case eSectionTypeDWARFAppleObjC:
return eAddressClassDebug;
case eSectionTypeEHFrame:
case eSectionTypeARMexidx:
case eSectionTypeARMextab:
case eSectionTypeCompactUnwind:
return eAddressClassRuntime;
case eSectionTypeELFSymbolTable:
case eSectionTypeELFDynamicSymbols:
case eSectionTypeELFRelocationEntries:
case eSectionTypeELFDynamicLinkInfo:
case eSectionTypeOther:
return eAddressClassUnknown;
case eSectionTypeAbsoluteAddress:
// In case of absolute sections decide the address class based on
// the symbol
// type because the section type isn't specify if it is a code or a
// data
// section.
break;
}
}
}
const SymbolType symbol_type = symbol->GetType();
switch (symbol_type) {
case eSymbolTypeAny:
return eAddressClassUnknown;
case eSymbolTypeAbsolute:
return eAddressClassUnknown;
case eSymbolTypeCode:
return eAddressClassCode;
case eSymbolTypeTrampoline:
return eAddressClassCode;
case eSymbolTypeResolver:
return eAddressClassCode;
case eSymbolTypeData:
return eAddressClassData;
case eSymbolTypeRuntime:
return eAddressClassRuntime;
case eSymbolTypeException:
return eAddressClassRuntime;
case eSymbolTypeSourceFile:
return eAddressClassDebug;
case eSymbolTypeHeaderFile:
return eAddressClassDebug;
case eSymbolTypeObjectFile:
return eAddressClassDebug;
case eSymbolTypeCommonBlock:
return eAddressClassDebug;
case eSymbolTypeBlock:
return eAddressClassDebug;
case eSymbolTypeLocal:
return eAddressClassData;
case eSymbolTypeParam:
return eAddressClassData;
case eSymbolTypeVariable:
return eAddressClassData;
case eSymbolTypeVariableType:
return eAddressClassDebug;
case eSymbolTypeLineEntry:
return eAddressClassDebug;
case eSymbolTypeLineHeader:
return eAddressClassDebug;
case eSymbolTypeScopeBegin:
return eAddressClassDebug;
case eSymbolTypeScopeEnd:
return eAddressClassDebug;
case eSymbolTypeAdditional:
return eAddressClassUnknown;
case eSymbolTypeCompiler:
return eAddressClassDebug;
case eSymbolTypeInstrumentation:
return eAddressClassDebug;
case eSymbolTypeUndefined:
return eAddressClassUnknown;
case eSymbolTypeObjCClass:
return eAddressClassRuntime;
case eSymbolTypeObjCMetaClass:
return eAddressClassRuntime;
case eSymbolTypeObjCIVar:
return eAddressClassRuntime;
case eSymbolTypeReExported:
return eAddressClassRuntime;
}
}
}
return eAddressClassUnknown;
}
