test/MC/ELF/common.s

   1 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | elf-dump  --dump-section-data | FileCheck %s
   2
   3
   4         .text
   5
   6 // Test that this produces a regular local symbol.
   7         .type   common1,@object
   8         .local  common1
   9         .comm   common1,1,1
  10
  11 // CHECK: ('st_name', 0x00000001) # 'common1'
  12 // CHECK-NEXT: ('st_bind', 0x00000000)
  13 // CHECK-NEXT: ('st_type', 0x00000001)
  14 // CHECK-NEXT: ('st_other', 0x00000000)
  15 // CHECK-NEXT: ('st_shndx',
  16 // CHECK-NEXT: ('st_value', 0x0000000000000000)
  17 // CHECK-NEXT: ('st_size', 0x0000000000000001)
  18
  19
  20 // Same as common1, but with directives in a different order.
  21         .local  common2
  22         .type   common2,@object
  23         .comm   common2,1,1
  24
  25 // CHECK: ('st_name', 0x00000009) # 'common2'
  26 // CHECK-NEXT: ('st_bind', 0x00000000)
  27 // CHECK-NEXT: ('st_type', 0x00000001)
  28 // CHECK-NEXT: ('st_other', 0x00000000)
  29 // CHECK-NEXT: ('st_shndx',
  30 // CHECK-NEXT: ('st_value', 0x0000000000000001)
  31 // CHECK-NEXT: ('st_size', 0x0000000000000001)
  32
  33         .local  common6
  34         .comm   common6,8,16
  35
  36 // CHECK:      # Symbol 0x00000003
  37 // CHECK-NEXT: (('st_name', 0x00000011) # 'common6'
  38 // CHECK-NEXT:  ('st_bind', 0x00000000)
  39 // CHECK-NEXT:  ('st_type', 0x00000001)
  40 // CHECK-NEXT:  ('st_other', 0x00000000)
  41 // CHECK-NEXT:  ('st_shndx', 0x00000004)
  42 // CHECK-NEXT:  ('st_value', 0x0000000000000010)
  43 // CHECK-NEXT:  ('st_size', 0x0000000000000008)
  44 // CHECK-NEXT: ),
  45
  46 // Test that without an explicit .local we produce a global.
  47         .type   common3,@object
  48         .comm   common3,4,4
  49
  50 // CHECK: ('st_name', 0x00000019) # 'common3'
  51 // CHECK-NEXT: ('st_bind', 0x00000001)
  52 // CHECK-NEXT: ('st_type', 0x00000001)
  53 // CHECK-NEXT: ('st_other', 0x00000000)
  54 // CHECK-NEXT: ('st_shndx', 0x0000fff2)
  55 // CHECK-NEXT: ('st_value', 0x0000000000000004)
  56 // CHECK-NEXT: ('st_size', 0x0000000000000004)
  57
  58
  59 // Test that without an explicit .local we produce a global, even if the first
  60 // occurrence is not in a directive.
  61         .globl  foo
  62         .type   foo,@function
  63 foo:
  64         movsbl  common4+3(%rip), %eax
  65
  66
  67         .type   common4,@object
  68         .comm   common4,40,16
  69
  70 // CHECK: ('st_name', 0x00000025) # 'common4'
  71 // CHECK-NEXT: ('st_bind', 0x00000001)
  72 // CHECK-NEXT: ('st_type', 0x00000001)
  73 // CHECK-NEXT: ('st_other', 0x00000000)
  74 // CHECK-NEXT: ('st_shndx', 0x0000fff2)
  75 // CHECK-NEXT: ('st_value', 0x0000000000000010)
  76 // CHECK-NEXT: ('st_size', 0x0000000000000028)
  77
  78         .comm   common5,4,4
  79
  80 // CHECK:      # Symbol 0x00000009
  81 // CHECK-NEXT: (('st_name', 0x0000002d) # 'common5'
  82 // CHECK-NEXT:  ('st_bind', 0x00000001)
  83 // CHECK-NEXT:  ('st_type', 0x00000001)
  84 // CHECK-NEXT:  ('st_other', 0x00000000)
  85 // CHECK-NEXT:  ('st_shndx', 0x0000fff2)
  86 // CHECK-NEXT:  ('st_value', 0x0000000000000004)
  87 // CHECK-NEXT:  ('st_size', 0x0000000000000004)
  88 // CHECK-NEXT: ),