[llvm-commits] [patch] Allow >256 ELF relocations

[Tim Northover]

Hi all,

The ELF64 specification says that 32 bits of the r_info field are used for the
relocation type; however the ELF support code currently uses "unsigned char"
to store this type. Current targets work because they have <= 256 relocations,
but AArch64 defines more (or, at least, spreads them out more).

This patch switches the types used so that everything works properly.

It's part of the change to generic LLVM code that we had to implement while
developing the AArch64 backend. These are the changes that no other target
exercises, so sending them to the list before would have been a little
motive-less, and often untestable.

This one is reasonably simple, OK to commit?

Cheers.

Tim.

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