lld/test/ELF/x86-64-gotpc-offset.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
   3 # RUN: ld.lld %t.o -o %t
   4 # RUN: llvm-objdump -s -d %t | FileCheck %s
   5
   6 # CHECK:      Contents of section .got:
   7 # CHECK-NEXT: {{^}} [[#%x,ADDR:]] {{.*}} 00000000
   8
   9 # CHECK:      leal {{.*}}(%rip), %eax  # {{.*}} <foo>
  10 # CHECK-NEXT: movl {{.*}}(%rip), %eax  # 0x[[#ADDR+4]]
  11 # CHECK-NEXT: movq {{.*}}(%rip), %rax  # 0x[[#ADDR+1]]
  12
  13 ## movl foo@GOTPCREL(%rip), %eax
  14   movl 0(%rip), %eax
  15   .reloc .-4, R_X86_64_GOTPCRELX, foo-4
  16
  17 ## The instruction has an offset (addend!=-4). It is incorrect to relax movl to leal.
  18 ## movl foo@GOTPCREL+4(%rip), %eax
  19   movl 0(%rip), %eax
  20   .reloc .-4, R_X86_64_GOTPCRELX, foo
  21
  22 ## This does not make sense because it loads one byte past the GOT entry.
  23 ## It is just to demonstrate the behavior.
  24 ## movq foo@GOTPCREL+1(%rip), %rax
  25   movq 0(%rip), %rax
  26   .reloc .-4, R_X86_64_REX_GOTPCRELX, foo-3
  27
  28 .globl foo
  29 foo:
  30   nop