[llvm] r241352 - [ELFYAML] Make the Size field for .bss section optional

[Simon Atanasyan]

Author: atanasyan
Date: Fri Jul  3 09:19:06 2015
New Revision: 241352

URL: http://llvm.org/viewvc/llvm-project?rev=241352&view=rev
Log:
[ELFYAML] Make the Size field for .bss section optional

It's a common case to have a zero-size .bss section in an object file.

Modified:
    llvm/trunk/lib/Object/ELFYAML.cpp
    llvm/trunk/test/Object/obj2yaml.test

Modified: llvm/trunk/lib/Object/ELFYAML.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Object/ELFYAML.cpp?rev=241352&r1=241351&r2=241352&view=diff
==============================================================================
--- llvm/trunk/lib/Object/ELFYAML.cpp (original)
+++ llvm/trunk/lib/Object/ELFYAML.cpp Fri Jul  3 09:19:06 2015
@@ -629,7 +629,7 @@ static void sectionMapping(IO &IO, ELFYA
 
 static void sectionMapping(IO &IO, ELFYAML::NoBitsSection &Section) {
   commonSectionMapping(IO, Section);
-  IO.mapRequired("Size", Section.Size);
+  IO.mapOptional("Size", Section.Size, Hex64(0));
 }
 
 static void sectionMapping(IO &IO, ELFYAML::RelocationSection &Section) {

Modified: llvm/trunk/test/Object/obj2yaml.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Object/obj2yaml.test?rev=241352&r1=241351&r2=241352&view=diff
==============================================================================
--- llvm/trunk/test/Object/obj2yaml.test (original)
+++ llvm/trunk/test/Object/obj2yaml.test Fri Jul  3 09:19:06 2015
@@ -324,7 +324,6 @@ ELF-MIPS64EL-NEXT:   - Name:
 ELF-MIPS64EL-NEXT:     Type:            SHT_NOBITS
 ELF-MIPS64EL-NEXT:     Flags:           [ SHF_WRITE, SHF_ALLOC ]
 ELF-MIPS64EL-NEXT:     AddressAlign:    0x0000000000000010
-ELF-MIPS64EL-NEXT:     Size:            0x0000000000000000
 ELF-MIPS64EL-NEXT:   - Name:            .MIPS.options
 ELF-MIPS64EL-NEXT:     Type:            SHT_MIPS_OPTIONS
 ELF-MIPS64EL-NEXT:     Flags:           [ SHF_ALLOC ]