<rdar://problem/10413589>
Fixed a potential crasher where we weren't checking we got a valid DIE in
a compile unit.
llvm-svn: 145226
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
index f386a17..52b0e67 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
@@ -1007,27 +1007,30 @@
if (dwarf_cu)
{
const DWARFDebugInfoEntry *dwarf_cu_die = dwarf_cu->GetCompileUnitDIEOnly();
- const dw_offset_t cu_line_offset = dwarf_cu_die->GetAttributeValueAsUnsigned(this, dwarf_cu, DW_AT_stmt_list, DW_INVALID_OFFSET);
- if (cu_line_offset != DW_INVALID_OFFSET)
+ if (dwarf_cu_die)
{
- std::auto_ptr<LineTable> line_table_ap(new LineTable(sc.comp_unit));
- if (line_table_ap.get())
+ const dw_offset_t cu_line_offset = dwarf_cu_die->GetAttributeValueAsUnsigned(this, dwarf_cu, DW_AT_stmt_list, DW_INVALID_OFFSET);
+ if (cu_line_offset != DW_INVALID_OFFSET)
{
- ParseDWARFLineTableCallbackInfo info = {
- line_table_ap.get(),
- m_obj_file->GetSectionList(),
- 0,
- 0,
- m_debug_map_symfile != NULL,
- false,
- DWARFDebugLine::Row(),
- SectionSP(),
- SectionSP()
- };
- uint32_t offset = cu_line_offset;
- DWARFDebugLine::ParseStatementTable(get_debug_line_data(), &offset, ParseDWARFLineTableCallback, &info);
- sc.comp_unit->SetLineTable(line_table_ap.release());
- return true;
+ std::auto_ptr<LineTable> line_table_ap(new LineTable(sc.comp_unit));
+ if (line_table_ap.get())
+ {
+ ParseDWARFLineTableCallbackInfo info = {
+ line_table_ap.get(),
+ m_obj_file->GetSectionList(),
+ 0,
+ 0,
+ m_debug_map_symfile != NULL,
+ false,
+ DWARFDebugLine::Row(),
+ SectionSP(),
+ SectionSP()
+ };
+ uint32_t offset = cu_line_offset;
+ DWARFDebugLine::ParseStatementTable(get_debug_line_data(), &offset, ParseDWARFLineTableCallback, &info);
+ sc.comp_unit->SetLineTable(line_table_ap.release());
+ return true;
+ }
}
}
}