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Add support for macho relocations. (#378)

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This requires splitting X86PCRel4 into two separate relocations, to
distinguish the case where the instruction is a call, as Mach-O uses a
different relocation in that case.

This also makes it explicit that only x86-64 relocations are supported
currently.
This commit is contained in:
Dan Gohman
2018-06-28 10:15:10 -07:00
committed by GitHub
parent cc94adca3b
commit c5aad1eb5f
8 changed files with 70 additions and 39 deletions
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2
cranelift/filetests/isa/x86/binary32.cton
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@@ -352,7 +352,7 @@ ebb0:
[-,%rsi] v351 = bint.i32 v301 ; bin: 0f b6 f2
; asm: call foo
call fn0() ; bin: stk_ovf e8 PCRel4(%foo-4) 00000000
call fn0() ; bin: stk_ovf e8 CallPCRel4(%foo-4) 00000000
; asm: movl $0, %ecx
[-,%rcx] v400 = func_addr.i32 fn0 ; bin: b9 Abs4(%foo) 00000000