[lld][MachO] Fix LC_SEGEMENT[_64] filesize computation in -r mode.
Using vmsize to populate this file works when outputing MachO images, but fails
when outputting relocatable objects. This patch fixes the computation to use
file offsets, which works for both output types.
Fixes <rdar://problem/27727666>
llvm-svn: 278297
diff --git a/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp b/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp
index 89b0f6f..8cca2a2 100644
--- a/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp
+++ b/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp
@@ -643,7 +643,9 @@
seg->vmsize = _file.sections.back().address
+ _file.sections.back().content.size();
seg->fileoff = _endOfLoadCommands;
- seg->filesize = seg->vmsize;
+ seg->filesize = _sectInfo[&_file.sections.back()].fileOffset +
+ _file.sections.back().content.size() -
+ _sectInfo[&_file.sections.front()].fileOffset;
seg->maxprot = VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE;
seg->initprot = VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE;
seg->nsects = _file.sections.size();