lld/test/ELF/systemz-reloc-got.s

   1 # REQUIRES: systemz
   2 # RUN: llvm-mc -filetype=obj -triple=s390x-unknown-linux %s -o %t.o
   3 # RUN: ld.lld -z norelro -shared %t.o -soname=t.so -o %t.so
   4 ## Note: Without norelro the distance between .got and .got.plt causes
   5 ## R_390_GOTPLT12 relocations to always overflow.
   6
   7 # RUN: llvm-readelf -S -x .data %t.so | FileCheck %s
   8 # RUN: llvm-objdump -d --no-show-raw-insn %t.so | FileCheck %s --check-prefix=DISASM
   9
  10 # CHECK: Section Headers:
  11 # CHECK: .got PROGBITS 0000000000002458
  12 # CHECK: .got.plt PROGBITS 0000000000002480
  13
  14 ## Note: _GLOBAL_OFFSET_TABLE is at .got
  15 ## GOT (foo) is at .got + 24 == 0x2470
  16 ## GOT (bar) is at .got + 32 == 0x2478
  17 ## GOTPLT (foo) is at .got.plt + 0 == .got + 40 == 0x2480
  18 ## GOTPLT (bar) is at .got.plt + 8 == .got + 48 == 0x2488
  19
  20 # DISASM:      larl %r12, 0x2458
  21 # DISASM-NEXT: larl %r1, 0x2470
  22 # DISASM-NEXT: larl %r1, 0x2478
  23 # DISASM-NEXT: larl %r1, 0x2480
  24 # DISASM-NEXT: larl %r1, 0x2488
  25
  26 # DISASM-NEXT: l %r1, 24(%r12)
  27 # DISASM-NEXT: l %r1, 32(%r12)
  28 # DISASM-NEXT: l %r1, 40(%r12)
  29 # DISASM-NEXT: l %r1, 48(%r12)
  30 # DISASM-NEXT: lg %r1, 24(%r12)
  31 # DISASM-NEXT: lg %r1, 32(%r12)
  32 # DISASM-NEXT: lg %r1, 40(%r12)
  33 # DISASM-NEXT: lg %r1, 48(%r12)
  34
  35 # CHECK: Hex dump of section '.data':
  36 # CHECK-NEXT: 00180020 00280030 00000018 00000020
  37 # CHECK-NEXT: 00000028 00000030 00000000 00000018
  38 # CHECK-NEXT: 00000000 00000020 00000000 00000028
  39 # CHECK-NEXT: 00000000 00000030
  40
  41 .text
  42 larl %r12, _GLOBAL_OFFSET_TABLE_
  43 .reloc .+2, R_390_GOTENT, foo+2
  44 larl %r1, 0
  45 .reloc .+2, R_390_GOTENT, bar+2
  46 larl %r1, 0
  47 .reloc .+2, R_390_GOTPLTENT, foo+2
  48 larl %r1, 0
  49 .reloc .+2, R_390_GOTPLTENT, bar+2
  50 larl %r1, 0
  51 .reloc .+2, R_390_GOT12, foo
  52 l %r1, 0(%r12)
  53 .reloc .+2, R_390_GOT12, bar
  54 l %r1, 0(%r12)
  55 .reloc .+2, R_390_GOTPLT12, foo
  56 l %r1, 0(%r12)
  57 .reloc .+2, R_390_GOTPLT12, bar
  58 l %r1, 0(%r12)
  59 .reloc .+2, R_390_GOT20, foo
  60 lg %r1, 0(%r12)
  61 .reloc .+2, R_390_GOT20, bar
  62 lg %r1, 0(%r12)
  63 .reloc .+2, R_390_GOTPLT20, foo
  64 lg %r1, 0(%r12)
  65 .reloc .+2, R_390_GOTPLT20, bar
  66 lg %r1, 0(%r12)
  67
  68 .data
  69 .reloc ., R_390_GOT16, foo
  70 .space 2
  71 .reloc ., R_390_GOT16, bar
  72 .space 2
  73 .reloc ., R_390_GOTPLT16, foo
  74 .space 2
  75 .reloc ., R_390_GOTPLT16, bar
  76 .space 2
  77 .reloc ., R_390_GOT32, foo
  78 .space 4
  79 .reloc ., R_390_GOT32, bar
  80 .space 4
  81 .reloc ., R_390_GOTPLT32, foo
  82 .space 4
  83 .reloc ., R_390_GOTPLT32, bar
  84 .space 4
  85 .reloc ., R_390_GOT64, foo
  86 .space 8
  87 .reloc ., R_390_GOT64, bar
  88 .space 8
  89 .reloc ., R_390_GOTPLT64, foo
  90 .space 8
  91 .reloc ., R_390_GOTPLT64, bar
  92 .space 8