[llvm-commits] patch: produce more relocation value strings on x86-64 elf

[Nick Lewycky]

The attached patch updates libObject's code for producing a string
representing a relocation. This lets us emit "Unknown" far less often. The
test is a .o assembled from this .s:

.text
  func:
    movb $somedata-4, %al
    movw $somedata-4, %ax
    movl $somedata-4, %eax
    movq $somedata-4, %rax
    movabsl somedata-4, %eax
    movl %eax, somedata(%rip)

    movl $somedata, %ebx

    movl $somedata+4, %ecx

.data
  somedata:
    .long 0x0

Please review!

Nick
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