Commit Graph

2 Commits

Author SHA1 Message Date
David Majnemer d7586046ee COFF: Don't oversize COMMON symbols when targeting BFD ld
COFF normally doesn't allow us to describe the alignment of COMMON
symbols.

It turns out that most linkers use the symbol size as a hint as to how
aligned the symbol should be.

However the BFD folks have added a .drectve command, which we
now support as of r219229, that allows us to specify the alignment
precisely.  With this in mind, stop rounding sizes up.

llvm-svn: 219281
2014-10-08 06:38:53 +00:00
Saleem Abdulrasool 64d491e488 MC: add support for -aligncomm GNU extension
The GNU linker supports an -aligncomm directive that allows for power-of-2
alignment of common data.  Add support to emit this directive.

llvm-svn: 219229
2014-10-07 19:37:57 +00:00