lld/test/ELF/systemz-gotent-relax-align.s

   1 # REQUIRES: systemz
   2 ## Verify that R_390_GOTENT optimization is not performed on misaligned symbols.
   3
   4 # RUN: llvm-mc -filetype=obj -triple=s390x-unknown-linux %s -o %t.o
   5 # RUN: ld.lld %t.o -o %t1
   6 # RUN: llvm-readelf -S -r -x .got -x .got.plt %t1 | FileCheck --check-prefixes=CHECK %s
   7 # RUN: llvm-objdump --no-print-imm-hex -d %t1 | FileCheck --check-prefix=DISASM %s
   8
   9 ## We retain one .got entry for the unaligned symbol.
  10 # CHECK:      Name              Type            Address          Off    Size   ES Flg Lk Inf Al
  11 # CHECK:      .got              PROGBITS        00000000010021e0 0001e0 000020 00  WA  0   0  8
  12 # CHECK-NEXT: .relro_padding    NOBITS          0000000001002200 000200 000e00 00  WA  0   0  1
  13 # CHECK-NEXT: .data             PROGBITS        0000000001003200 000200 000006 00  WA  0   0  2
  14
  15 # CHECK-LABEL: Hex dump of section '.got':
  16 # CHECK-NEXT:    0x010021e0 00000000 00000000 00000000 00000000
  17 # CHECK-NEXT:    0x010021f0 00000000 00000000 00000000 01003205
  18
  19 # DISASM:      Disassembly of section .text:
  20 # DISASM:      <_start>:
  21 # DISASM-NEXT:   larl    %r1, 0x1003200
  22 # DISASM-NEXT:   larl    %r1, 0x1003200
  23 # DISASM-NEXT:   lgrl    %r1, 0x10021f8
  24 # DISASM-NEXT:   lgrl    %r1, 0x10021f8
  25
  26 .data
  27 .globl var_align
  28 .hidden var_align
  29  .align 2
  30 var_align:
  31  .long 0
  32
  33 .data
  34 .globl var_unalign
  35 .hidden var_unalign
  36  .align 2
  37  .byte 0
  38 var_unalign:
  39  .byte 0
  40
  41 .text
  42 .globl _start
  43 .type _start, @function
  44 _start:
  45  lgrl %r1, var_align@GOT
  46  lgrl %r1, var_align@GOT
  47  lgrl %r1, var_unalign@GOT
  48  lgrl %r1, var_unalign@GOT