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', 0x00000000)
  17 // CHECK-NEXT: ('st_size', 0x00000001)
  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', 0x00000001)
  31 // CHECK-NEXT: ('st_size', 0x00000001)
  32
  33 // Test that without an explicit .local we produce a global.
  34         .type   common3,@object
  35         .comm   common3,4,4
  36
  37 // CHECK: ('st_name', 0x00000011) # 'common3'
  38 // CHECK-NEXT: ('st_bind', 0x00000001)
  39 // CHECK-NEXT: ('st_type', 0x00000001)
  40 // CHECK-NEXT: ('st_other', 0x00000000)
  41 // CHECK-NEXT: ('st_shndx', 0x0000fff2)
  42 // CHECK-NEXT: ('st_value', 0x00000004)
  43 // CHECK-NEXT: ('st_size', 0x00000004)
  44
  45
  46 // Test that without an explicit .local we produce a global, even if the first
  47 // occurrence is not in a directive.
  48         .globl  foo
  49         .type   foo,@function
  50 foo:
  51         movsbl  common4+3(%rip), %eax
  52
  53
  54         .type   common4,@object
  55         .comm   common4,40,16
  56
  57 // CHECK: ('st_name', 0x0000001d) # 'common4'
  58 // CHECK-NEXT: ('st_bind', 0x00000001)
  59 // CHECK-NEXT: ('st_type', 0x00000001)
  60 // CHECK-NEXT: ('st_other', 0x00000000)
  61 // CHECK-NEXT: ('st_shndx', 0x0000fff2)
  62 // CHECK-NEXT: ('st_value', 0x00000010)
  63 // CHECK-NEXT: ('st_size', 0x00000028)