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[DWARFYAML] Make the length field of compilation units optional. NFC.

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This patch makes the length field of compilation units optional (0 by
default).
This commit is contained in:
Xing GUO 2020-07-22 12:14:16 +08:00
parent 945d91b927
commit 41af990b28
3 changed files with 3 additions and 5 deletions
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2
lib/ObjectYAML/DWARFYAML.cpp
View File

@ -143,7 +143,7 @@ void MappingTraits<DWARFYAML::PubSection>::mapping(
void MappingTraits<DWARFYAML::Unit>::mapping(IO &IO, DWARFYAML::Unit &Unit) {
IO.mapOptional("Format", Unit.Format, dwarf::DWARF32);
IO.mapRequired("Length", Unit.Length);
IO.mapOptional("Length", Unit.Length, 0);
IO.mapRequired("Version", Unit.Version);
if (Unit.Version >= 5)
IO.mapRequired("UnitType", Unit.Type);

3
unittests/DebugInfo/DWARF/DWARFDebugInfoTest.cpp
View File

@ -1368,8 +1368,7 @@ TEST(DWARFDebugInfo, TestEmptyChildren) {
" Children: DW_CHILDREN_yes\n"
" Attributes:\n"
"debug_info:\n"
" - Length: 0\n"
" Version: 4\n"
" - Version: 4\n"
" AbbrOffset: 0\n"
" AddrSize: 8\n"
" Entries:\n"

3
unittests/DebugInfo/DWARF/DWARFDieTest.cpp
View File

@ -34,8 +34,7 @@ TEST(DWARFDie, getLocations) {
- Attribute: DW_AT_call_data_location
Form: DW_FORM_sec_offset
debug_info:
- Length: 0
Version: 5
- Version: 5
UnitType: DW_UT_compile
AbbrOffset: 0
AddrSize: 4