[lld] r234284 - ELF: Minimum alignment value is 1, not 0. NFC.

[Rui Ueyama]

Author: ruiu
Date: Mon Apr  6 22:44:26 2015
New Revision: 234284

URL: http://llvm.org/viewvc/llvm-project?rev=234284&view=rev
Log:
ELF: Minimum alignment value is 1, not 0. NFC.

Maybe we can interpret alignment 0 as "don't care", but for
consistency, it's good to set 1 instead of 0 where we allow
any alignments.

Modified:
    lld/trunk/lib/ReaderWriter/ELF/Chunk.h
    lld/trunk/lib/ReaderWriter/ELF/SectionChunks.h
    lld/trunk/lib/ReaderWriter/ELF/SegmentChunks.h

Modified: lld/trunk/lib/ReaderWriter/ELF/Chunk.h
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/lib/ReaderWriter/ELF/Chunk.h?rev=234284&r1=234283&r2=234284&view=diff
==============================================================================
--- lld/trunk/lib/ReaderWriter/ELF/Chunk.h (original)
+++ lld/trunk/lib/ReaderWriter/ELF/Chunk.h Mon Apr  6 22:44:26 2015
@@ -98,7 +98,7 @@ protected:
   const ELFLinkingContext &_ctx;
   uint64_t _fsize = 0;
   uint64_t _msize = 0;
-  uint64_t _alignment = 0;
+  uint64_t _alignment = 1;
   uint32_t _order = 0;
   uint64_t _ordinal = 1;
   uint64_t _start = 0;

Modified: lld/trunk/lib/ReaderWriter/ELF/SectionChunks.h
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/lib/ReaderWriter/ELF/SectionChunks.h?rev=234284&r1=234283&r2=234284&view=diff
==============================================================================
--- lld/trunk/lib/ReaderWriter/ELF/SectionChunks.h (original)
+++ lld/trunk/lib/ReaderWriter/ELF/SectionChunks.h Mon Apr  6 22:44:26 2015
@@ -530,7 +530,7 @@ private:
   int64_t _shInfo = 0;
   int64_t _entSize = 0;
   int64_t _link = 0;
-  uint64_t _alignment = 0;
+  uint64_t _alignment = 1;
   int64_t _kind = 0;
   int64_t _type = 0;
   bool _isLoadableSection = false;

Modified: lld/trunk/lib/ReaderWriter/ELF/SegmentChunks.h
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/lib/ReaderWriter/ELF/SegmentChunks.h?rev=234284&r1=234283&r2=234284&view=diff
==============================================================================
--- lld/trunk/lib/ReaderWriter/ELF/SegmentChunks.h (original)
+++ lld/trunk/lib/ReaderWriter/ELF/SegmentChunks.h Mon Apr  6 22:44:26 2015
@@ -317,7 +317,7 @@ Segment<ELFT>::Segment(const ELFLinkingC
                        const typename TargetLayout<ELFT>::SegmentType type)
     : Chunk<ELFT>(name, Chunk<ELFT>::Kind::ELFSegment, ctx), _segmentType(type),
       _flags(0), _atomflags(0) {
-  this->_alignment = 0;
+  this->_alignment = 1;
   this->_fsize = 0;
   _outputMagic = ctx.getOutputMagic();
 }