test/mach-o/parse-tentative-defs.yaml

   1 # RUN: lld -flavor darwin -arch x86_64 -r -print_atoms %s -o %t  | FileCheck %s
   2 #
   3 # Test parsing of tentative definitions, including size, scope, and alignment.
   4 #
   5 #
   6 # int tent4;
   7 # long tent8;
   8 # __attribute__((visibility("hidden"))) int tentHidden;
   9 # __attribute__((aligned(16))) int tent4_16;
  10 # __attribute__((aligned(32))) long tent64_32[8];
  11 #
  12
  13 --- !mach-o
  14 arch:            x86_64
  15 file-type:       MH_OBJECT
  16 flags:           [ MH_SUBSECTIONS_VIA_SYMBOLS ]
  17 has-UUID:        false
  18 OS:              unknown
  19 sections:
  20   - segment:         __TEXT
  21     section:         __tex
  22     type:            S_REGULAR
  23     attributes:      [ S_ATTR_PURE_INSTRUCTIONS ]
  24     address:         0x0000000000000000
  25 undefined-symbols:
  26   - name:            _tent4
  27     type:            N_UNDF
  28     scope:           [ N_EXT ]
  29     desc:            0x0200
  30     value:           0x0000000000000004
  31   - name:            _tent4_16
  32     type:            N_UNDF
  33     scope:           [ N_EXT ]
  34     desc:            0x0400
  35     value:           0x0000000000000004
  36   - name:            _tent64_32
  37     type:            N_UNDF
  38     scope:           [ N_EXT ]
  39     desc:            0x0500
  40     value:           0x0000000000000040
  41   - name:            _tent8
  42     type:            N_UNDF
  43     scope:           [ N_EXT ]
  44     desc:            0x0300
  45     value:           0x0000000000000008
  46   - name:            _tentHidden
  47     type:            N_UNDF
  48     scope:           [ N_EXT, N_PEXT ]
  49     desc:            0x0200
  50     value:           0x0000000000000004
  51 ...
  52
  53
  54 # CHECK:    defined-atoms:
  55 # CHECK:       name:             _tent4
  56 # CHECK:        scope:           global
  57 # CHECK:        type:            zero-fill
  58 # CHECK:        size:            4
  59 # CHECK:        merge:           as-tentative
  60 # CHECK:        alignment:       2^2
  61
  62 # CHECK:       name:             _tent4_16
  63 # CHECK:        scope:           global
  64 # CHECK:        type:            zero-fill
  65 # CHECK:        size:            4
  66 # CHECK:        merge:           as-tentative
  67 # CHECK:        alignment:       2^4
  68
  69 # CHECK:       name:             _tent64_32
  70 # CHECK:        scope:           global
  71 # CHECK:        type:            zero-fill
  72 # CHECK:        size:            64
  73 # CHECK:        merge:           as-tentative
  74 # CHECK:        alignment:       2^5
  75
  76 # CHECK:       name:             _tent8
  77 # CHECK:        scope:           global
  78 # CHECK:        type:            zero-fill
  79 # CHECK:        size:            8
  80 # CHECK:        merge:           as-tentative
  81 # CHECK:        alignment:       2^3
  82
  83 # CHECK:       name:             _tentHidden
  84 # CHECK:        scope:           hidden
  85 # CHECK:        type:            zero-fill
  86 # CHECK:        size:            4
  87 # CHECK:        merge:           as-tentative
  88 # CHECK:        alignment:       2^2