Differential D102851 Diff 346827 lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp

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lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp

Show First 20 Lines • Show All 501 Lines • ▼ Show 20 Lines	else
GetSymbolFileDWARF().GetObjectFile()->GetModule()->ReportError(		GetSymbolFileDWARF().GetObjectFile()->GetModule()->ReportError(
"Failed to extract range list table at offset 0x%" PRIx64 ": %s",		"Failed to extract range list table at offset 0x%" PRIx64 ": %s",
m_ranges_base, toString(table_or_error.takeError()).c_str());		m_ranges_base, toString(table_or_error.takeError()).c_str());
}		}
return m_rnglist_table;		return m_rnglist_table;
}		}

// This function is called only for DW_FORM_rnglistx.		// This function is called only for DW_FORM_rnglistx.
llvm::Optional<uint64_t> DWARFUnit::GetRnglistOffset(uint32_t Index) {		llvm::Expected<uint64_t> DWARFUnit::GetRnglistOffset(uint32_t Index) {
if (!GetRnglist())		if (!GetRnglist())
return llvm::None;		return llvm::createStringError(errc::invalid_argument,
if (!m_ranges_base) {		"missing or invalid range list table");
GetSymbolFileDWARF().GetObjectFile()->GetModule()->ReportError(		if (!m_ranges_base)
"%8.8x: DW_FORM_rnglistx cannot be used without DW_AT_rnglists_base",		return llvm::createStringError(errc::invalid_argument,
		"DW_FORM_rnglistx cannot be used without "
		"DW_AT_rnglists_base for CU at 0x%8.8x",
GetOffset());		GetOffset());
return llvm::None;
}
if (llvm::Optional<uint64_t> off = GetRnglist()->getOffsetEntry(		if (llvm::Optional<uint64_t> off = GetRnglist()->getOffsetEntry(
m_dwarf.GetDWARFContext().getOrLoadRngListsData().GetAsLLVM(), Index))		m_dwarf.GetDWARFContext().getOrLoadRngListsData().GetAsLLVM(), Index))
return *off + m_ranges_base;		return *off + m_ranges_base;
return llvm::None;		return llvm::createStringError(
		errc::invalid_argument,
		"invalid range list table index %u; OffsetEntryCount is %u, "
		"DW_AT_rnglists_base is %" PRIu64,
		Index, GetRnglist()->getOffsetEntryCount(), m_ranges_base);
}		}

void DWARFUnit::SetStrOffsetsBase(dw_offset_t str_offsets_base) {		void DWARFUnit::SetStrOffsetsBase(dw_offset_t str_offsets_base) {
m_str_offsets_base = str_offsets_base;		m_str_offsets_base = str_offsets_base;
}		}

// It may be called only with m_die_array_mutex held R/W.		// It may be called only with m_die_array_mutex held R/W.
void DWARFUnit::ClearDIEsRWLocked() {		void DWARFUnit::ClearDIEsRWLocked() {
▲ Show 20 Lines • Show All 460 Lines • ▼ Show 20 Lines	for (const llvm::DWARFAddressRange &llvm_range : *llvm_ranges) {
ranges.Append(DWARFRangeList::Entry(llvm_range.LowPC,		ranges.Append(DWARFRangeList::Entry(llvm_range.LowPC,
llvm_range.HighPC - llvm_range.LowPC));		llvm_range.HighPC - llvm_range.LowPC));
}		}
return ranges;		return ranges;
}		}

llvm::Expected<DWARFRangeList>		llvm::Expected<DWARFRangeList>
DWARFUnit::FindRnglistFromIndex(uint32_t index) {		DWARFUnit::FindRnglistFromIndex(uint32_t index) {
if (llvm::Optional<uint64_t> offset = GetRnglistOffset(index))		llvm::Expected<uint64_t> maybe_offset = GetRnglistOffset(index);
return FindRnglistFromOffset(*offset);		if (!maybe_offset)
if (GetRnglist())		return maybe_offset.takeError();
return llvm::createStringError(errc::invalid_argument,		return FindRnglistFromOffset(*maybe_offset);
"invalid range list table index %d", index);

return llvm::createStringError(errc::invalid_argument,
"missing or invalid range list table");
}		}