Don't try to parse the line table when it isn't specified
Previously we tried to parse the line table even if a compile unit
had no DW_AT_stmt_list atribute. The problem happens when a compiler
generates debug info for a compile unit but doesn't generate any line
info.
llvm-svn: 257335
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
index 423b73d..2088864 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
@@ -1065,12 +1065,17 @@
const char * cu_comp_dir = resolveCompDir(cu_die.GetAttributeValueAsString(DW_AT_comp_dir, nullptr));
const dw_offset_t stmt_list = cu_die.GetAttributeValueAsUnsigned(DW_AT_stmt_list, DW_INVALID_OFFSET);
-
- // All file indexes in DWARF are one based and a file of index zero is
- // supposed to be the compile unit itself.
- support_files.Append (*sc.comp_unit);
-
- return DWARFDebugLine::ParseSupportFiles(sc.comp_unit->GetModule(), get_debug_line_data(), cu_comp_dir, stmt_list, support_files);
+ if (stmt_list != DW_INVALID_OFFSET)
+ {
+ // All file indexes in DWARF are one based and a file of index zero is
+ // supposed to be the compile unit itself.
+ support_files.Append (*sc.comp_unit);
+ return DWARFDebugLine::ParseSupportFiles(sc.comp_unit->GetModule(),
+ get_debug_line_data(),
+ cu_comp_dir,
+ stmt_list,
+ support_files);
+ }
}
}
return false;