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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

llvm-svn: 308911
This commit is contained in:
Greg Clayton 2017-07-24 18:40:33 +00:00
parent 9bc64acf90
commit ea5df1049b
1 changed files with 15 additions and 0 deletions
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15
lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
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@ -497,6 +497,21 @@ uint32_t SymbolFileDWARF::CalculateAbilities() {
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 doesn’t 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;