Next bit of support for llvm-objdump’s -private-headers for Mach-O files.

This adds the printing of the LC_SEGMENT load command and sections,
LC_SYMTAB and LC_DYSYMTAB load commands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216795 91177308-0d34-0410-b5e6-96231b3b80d8
Make isValidMCLOHType take unsigned instead of enum to avoid loading invalid enum values

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216797 91177308-0d34-0410-b5e6-96231b3b80d8
Comment only: Annotate loop as per mailing list discussion


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216798 91177308-0d34-0410-b5e6-96231b3b80d8
Debug info: Add a new explicit DIDescriptor flag for the "public" access
specifier and change the default behavior to only emit the
DW_AT_accessibility(public) attribute when the isPublic() is explicitly
set.

rdar://problem/18154959

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216799 91177308-0d34-0410-b5e6-96231b3b80d8