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4 Commits

Author SHA1 Message Date
Rui Ueyama b66260ac17 Remove trailing whitespace. 
llvm-svn: 283372
 2016-10-05 20:09:50 +00:00
Pete Cooper 1ed8f1f6e5 Better compress lazy binding info to match ld64. 
We should be using one of BIND_OPCODE_SET_DYLIB_SPECIAL_IMM, BIND_OPCODE_SET_DYLIB_ORDINAL_IMM,
and BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB depending on whether ordinals are <= 0, <= 15, > 15.

This matches the behaviour of ld64.

llvm-svn: 278407
 2016-08-11 20:59:27 +00:00
Pete Cooper 21f475e1c4 Generate slightly more compressed binding opcodes when entries are the same as last time. 
We already had logic for binding opcodes had the same addend as last time.  This adds
the cases where the ordinal, symbol name, type, and segment offsets are the same as
the last emitted ordinal.

This gets us one step closer to emitting rebase opcodes as compressed as ld64 can manage.

llvm-svn: 278405
 2016-08-11 20:37:02 +00:00
Pete Cooper 91db988dfb Add test for rebase opcodes. We didn't have one. NFC. 
This will be used to test upcoming changes to improve binding opcode
emission to match the more compressed form ld64 can generate.

llvm-svn: 278400
 2016-08-11 20:31:50 +00:00