test/MC/ELF/comdat.s

   1 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | elf-dump   | FileCheck %s
   2
   3 // Test that we produce the group sections and that they are a the beginning
   4 // of the file.
   5
   6 // CHECK:       # Section 1
   7 // CHECK-NEXT:  (('sh_name', 0x0000001b) # '.group'
   8 // CHECK-NEXT:   ('sh_type', 0x00000011)
   9 // CHECK-NEXT:   ('sh_flags', 0x00000000)
  10 // CHECK-NEXT:   ('sh_addr', 0x00000000)
  11 // CHECK-NEXT:   ('sh_offset', 0x00000040)
  12 // CHECK-NEXT:   ('sh_size', 0x0000000c)
  13 // CHECK-NEXT:   ('sh_link', 0x0000000d)
  14 // CHECK-NEXT:   ('sh_info', 0x00000001)
  15 // CHECK-NEXT:   ('sh_addralign', 0x00000004)
  16 // CHECK-NEXT:   ('sh_entsize', 0x00000004)
  17 // CHECK-NEXT:  ),
  18 // CHECK-NEXT:  # Section 2
  19 // CHECK-NEXT:  (('sh_name', 0x0000001b) # '.group'
  20 // CHECK-NEXT:   ('sh_type', 0x00000011)
  21 // CHECK-NEXT:   ('sh_flags', 0x00000000)
  22 // CHECK-NEXT:   ('sh_addr', 0x00000000)
  23 // CHECK-NEXT:   ('sh_offset', 0x0000004c)
  24 // CHECK-NEXT:   ('sh_size', 0x00000008)
  25 // CHECK-NEXT:   ('sh_link', 0x0000000d)
  26 // CHECK-NEXT:   ('sh_info', 0x00000002)
  27 // CHECK-NEXT:   ('sh_addralign', 0x00000004)
  28 // CHECK-NEXT:   ('sh_entsize', 0x00000004)
  29 // CHECK-NEXT:  ),
  30 // CHECK-NEXT:  # Section 3
  31 // CHECK-NEXT:  (('sh_name', 0x0000001b) # '.group'
  32 // CHECK-NEXT:   ('sh_type', 0x00000011)
  33 // CHECK-NEXT:   ('sh_flags', 0x00000000)
  34 // CHECK-NEXT:   ('sh_addr', 0x00000000)
  35 // CHECK-NEXT:   ('sh_offset', 0x00000054)
  36 // CHECK-NEXT:   ('sh_size', 0x00000008)
  37 // CHECK-NEXT:   ('sh_link', 0x0000000d)
  38 // CHECK-NEXT:   ('sh_info', 0x0000000d)
  39 // CHECK-NEXT:   ('sh_addralign', 0x00000004)
  40 // CHECK-NEXT:   ('sh_entsize', 0x00000004)
  41 // CHECK-NEXT:  ),
  42
  43 // Test that g1 and g2 are local, but g3 is an undefined global.
  44
  45 // CHECK:      # Symbol 1
  46 // CHECK-NEXT: (('st_name', 0x00000001) # 'g1'
  47 // CHECK-NEXT:  ('st_bind', 0x0)
  48 // CHECK-NEXT:  ('st_type', 0x0)
  49 // CHECK-NEXT:  ('st_other', 0x00)
  50 // CHECK-NEXT:  ('st_shndx', 0x00000007)
  51 // CHECK-NEXT:  ('st_value', 0x0000000000000000)
  52 // CHECK-NEXT:  ('st_size', 0x0000000000000000)
  53 // CHECK-NEXT: ),
  54 // CHECK-NEXT: # Symbol 2
  55 // CHECK-NEXT: (('st_name', 0x00000004) # 'g2'
  56 // CHECK-NEXT:  ('st_bind', 0x0)
  57 // CHECK-NEXT:  ('st_type', 0x0)
  58 // CHECK-NEXT:  ('st_other', 0x00)
  59 // CHECK-NEXT:  ('st_shndx', 0x00000002)
  60 // CHECK-NEXT:  ('st_value', 0x0000000000000000)
  61 // CHECK-NEXT:  ('st_size', 0x0000000000000000)
  62 // CHECK-NEXT: ),
  63
  64 // CHECK:      # Symbol 13
  65 // CHECK-NEXT: (('st_name', 0x00000007) # 'g3'
  66 // CHECK-NEXT:  ('st_bind', 0x1)
  67 // CHECK-NEXT:  ('st_type', 0x0)
  68 // CHECK-NEXT:  ('st_other', 0x00)
  69 // CHECK-NEXT:  ('st_shndx', 0x00000000)
  70 // CHECK-NEXT:  ('st_value', 0x0000000000000000)
  71 // CHECK-NEXT:  ('st_size', 0x0000000000000000)
  72 // CHECK-NEXT: ),
  73
  74
  75         .section        .foo,"axG",@progbits,g1,comdat
  76 g1:
  77         nop
  78
  79         .section        .bar,"axG",@progbits,g1,comdat
  80         nop
  81
  82         .section        .zed,"axG",@progbits,g2,comdat
  83         nop
  84
  85         .section        .baz,"axG",@progbits,g3,comdat
  86         .long g3