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llvm-mirror/include
David Majnemer 579f5bb06a MC: Add support for BigObj
Teach WinCOFFObjectWriter how to write -mbig-obj style object files;
these object files allow for more sections inside an object file.

Our support for BigObj is notably different from binutils and cl: we
implicitly upgrade object files to BigObj instead of asking the user to
compile the same file *again* but with another flag.  This matches up
with how LLVM treats ELF variants.

This was tested by forcing LLVM to always emit BigObj files and running
the entire test suite.  A specific test has also been added.

I've lowered the maximum number of sections in a normal COFF file,
VS "14" CTP 3 supports no more than 65279 sections.  This is important
otherwise we might not switch to BigObj quickly enough, leaving us with
a COFF file that we couldn't link.

yaml2obj support is all that remains to implement.

Differential Revision: http://reviews.llvm.org/D5349

llvm-svn: 217812
2014-09-15 19:42:42 +00:00
..
llvm MC: Add support for BigObj 2014-09-15 19:42:42 +00:00
llvm-c [C API] Make the 'lower switch' pass available via the C API. 2014-09-11 21:32:32 +00:00