Author: tberghammer
Date: Mon Jan 11 08:56:05 2016
New Revision: 257335
URL: http://llvm.org/viewvc/llvm-project?rev=257335&view=rev
Log:
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.
Modified:
lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
Modified: lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
URL:
http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp?rev=257335&r1=257334&r2=257335&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp (original)
+++ lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp Mon Jan 11
08:56:05 2016
@@ -1065,12 +1065,17 @@ SymbolFileDWARF::ParseCompileUnitSupport
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;
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