Author: gclayton Date: Mon Jul 24 11:40:33 2017 New Revision: 308911 URL: http://llvm.org/viewvc/llvm-project?rev=308911&view=rev Log: Don't allow .debug_types to be parsed as LLDB can crash when enums are not able to be found.
Differential Revision: https://reviews.llvm.org/D35734 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=308911&r1=308910&r2=308911&view=diff ============================================================================== --- lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp (original) +++ lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp Mon Jul 24 11:40:33 2017 @@ -497,6 +497,21 @@ uint32_t SymbolFileDWARF::CalculateAbili if (section_list == NULL) return 0; + // On non Apple platforms we might have .debug_types debug info that + // is created by using "-fdebug-types-section". LLDB currently will try + // to load this debug info, but it causes crashes during debugging when + // types are missing since it doesn't know how to parse the info in + // the .debug_types type units. This causes all complex debug info + // types to be unresolved. Because this causes LLDB to crash and since + // it really doesn't provide a solid debuggiung experience, we should + // disable trying to debug this kind of DWARF until support gets + // added or deprecated. + if (section_list->FindSectionByName(ConstString(".debug_types"))) { + m_obj_file->GetModule()->ReportWarning( + "lldb doesnât support .debug_types debug info"); + return 0; + } + uint64_t debug_abbrev_file_size = 0; uint64_t debug_info_file_size = 0; uint64_t debug_line_file_size = 0; _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
