lld/test/ELF/x86-64-gotpc-relax-too-far.s

   1 # REQUIRES: x86
   2 # RUN: split-file %s %t
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64 %t/a.s -o %t/a.o
   4 # RUN: ld.lld -T %t/lds1 %t/a.o -o %t/bin
   5 # RUN: llvm-objdump --no-print-imm-hex -d %t/bin | FileCheck --check-prefix=DISASM %s
   6 # RUN: llvm-readelf -S %t/bin | FileCheck --check-prefixes=GOT %s
   7 # RUN: ld.lld -T %t/lds2 %t/a.o -o %t/bin2
   8 # RUN: llvm-readelf -S %t/bin2 | FileCheck --check-prefixes=UNNECESSARY-GOT %s
   9
  10 # DISASM:      <_foo>:
  11 # DISASM-NEXT: movl    2097146(%rip), %eax
  12 # DISASM:      <_start>:
  13 # DISASM-NEXT: movl    1048578(%rip), %eax
  14 # DISASM-NEXT: movq    1048571(%rip), %rax
  15 # DISASM-NEXT: leaq    2147483641(%rip), %rax
  16 # DISASM-NEXT: leal    2147483635(%rip), %eax
  17
  18 # In our implementation, .got is retained even if all GOT-generating relocations are optimized.
  19 # Make sure .got still exists with the right size.
  20 # UNNECESSARY-GOT: .got PROGBITS 0000000000300000 101020 000000 00 WA 0 0 8
  21 #             GOT: .got PROGBITS 0000000000300000 102000 000010 00 WA 0 0 8
  22
  23 #--- a.s
  24 .section .text.foo,"ax"
  25 .globl _foo
  26 .type _foo, @function
  27 _foo:
  28   movl __start_data@GOTPCREL(%rip), %eax  # out of range
  29
  30 .section .text,"ax"
  31 .globl _start
  32 .type _start, @function
  33 _start:
  34   movl __stop_data@GOTPCREL(%rip), %eax  # out of range
  35   movq __stop_data@GOTPCREL(%rip), %rax  # out of range
  36   movq __stop_data@GOTPCREL(%rip), %rax  # in range
  37   movl __stop_data@GOTPCREL(%rip), %eax  # in range
  38
  39 .section data,"aw",@progbits
  40 .space 13
  41
  42 #--- lds1
  43 SECTIONS {
  44   .text.foo 0x100000 : { *(.text.foo) }
  45   .text 0x200000 : { *(.text) }
  46   .got 0x300000 : { *(.got) }
  47   data 0x80200000 : { *(data) }
  48 }
  49 #--- lds2
  50 SECTIONS {
  51   .text.foo 0x100000 : { *(.text.foo) }
  52   .text 0x200000 : { *(.text) }
  53   .got 0x300000 : { *(.got) }
  54   data 0x400000 : { *(data) }
  55 }