llvm/test/tools/llvm-objdump/ELF/dynsym-version.test

   1 ## Check we print symbol versions, when they are available.
   2
   3 ## Test undefined symbols.
   4 # RUN: yaml2obj %s -o %t-undef.o
   5 # RUN: llvm-objdump -T %t-undef.o 2>&1 | tr '\t' '|' | FileCheck %s \
   6 # RUN:   -DFILE=%t-undef.o --check-prefix=UNDEF --match-full-lines --strict-whitespace
   7
   8 ## version2sym and version3sym are invalid: undefined symbols cannot refer to .gnu.version_d.
   9 ## We still check their behaviors.
  10 #      UNDEF:DYNAMIC SYMBOL TABLE:
  11 # UNDEF-NEXT:0000000000000000      D  *UND*|0000000000000000              localversym
  12 # UNDEF-NEXT:0000000000000000      D  *UND*|0000000000000000              globalversym
  13 # UNDEF-NEXT:0000000000000000      D  *UND*|0000000000000000 (v2)         version2sym
  14 # UNDEF-NEXT:0000000000000000      D  *UND*|0000000000000000 (v3hidden)   version3sym
  15 # UNDEF-NEXT:0000000000000000      D  *UND*|0000000000000000 (v4)         version4sym
  16 # UNDEF-NEXT:0000000000000000      D  *UND*|0000000000000000 (v5hidden)   .hidden version5sym
  17
  18 ## Test defined symbols.
  19 # RUN: yaml2obj -DINDEX=0x1 %s -o %t-def.o
  20 # RUN: llvm-objdump -T %t-def.o 2>&1 | tr '\t' '|' | FileCheck %s \
  21 # RUN:   -DFILE=%t-def.o --check-prefix=DEF --match-full-lines --strict-whitespace
  22
  23 #      DEF:DYNAMIC SYMBOL TABLE:
  24 # DEF-NEXT:0000000000000000 g    D  .gnu.version|0000000000000000              localversym
  25 # DEF-NEXT:0000000000000000 g    D  .gnu.version|0000000000000000              globalversym
  26 # DEF-NEXT:0000000000000000 g    D  .gnu.version|0000000000000000  v2          version2sym
  27 # DEF-NEXT:0000000000000000 g    D  .gnu.version|0000000000000000 (v3hidden)   version3sym
  28 # DEF-NEXT:0000000000000000 g    D  .gnu.version|0000000000000000 (v4)         version4sym
  29 # DEF-NEXT:0000000000000000 g    D  .gnu.version|0000000000000000 (v5hidden)   .hidden version5sym
  30
  31 --- !ELF
  32 FileHeader:
  33   Class: ELFCLASS64
  34   Data:  ELFDATA2LSB
  35   Type:  ET_DYN
  36 Sections:
  37   - Name:    .gnu.version
  38     Type:    SHT_GNU_versym
  39     Flags:   [ SHF_ALLOC ]
  40 ## 0x8000 is a special VERSYM_HIDDEN bit.
  41     Entries: [ 0, 0, 1, 2, 0x8003, 4, 0x8005 ]
  42     ShSize:  [[VERSYMSIZE=<none>]]
  43   - Name:         .gnu.version_d
  44     Type:         SHT_GNU_verdef
  45     Flags:        [ SHF_ALLOC ]
  46     Link:         .dynstr
  47     AddressAlign: 0x4
  48     Info:         0x2
  49     ShOffset:     [[VERDEFOFFSET=<none>]]
  50     Entries:
  51       - VersionNdx: 2
  52         Names:
  53           - v2
  54       - VersionNdx: 3
  55         Names:
  56           - v3hidden
  57   - Name:  .gnu.version_r
  58     Type:  SHT_GNU_verneed
  59     Flags: [ SHF_ALLOC ]
  60     Link:  .dynstr
  61     Info:  0x2
  62     Dependencies:
  63       - Version: 1
  64         File:    file1.so
  65         Entries:
  66           - Name:  v4
  67             Hash:  0
  68             Flags: 0
  69             Other: 4
  70       - Version: 1
  71         File:    file2.0
  72         Entries:
  73           - Name:  v5hidden
  74             Hash:  0
  75             Flags: 0
  76             Other: 5
  77   - Name:    .dynsym
  78     Type:    SHT_DYNSYM
  79     EntSize: [[ENTSIZE=<none>]]
  80 DynamicSymbols:
  81   - Name:  localversym
  82     Index: [[INDEX=<none>]]
  83     Binding: STB_GLOBAL
  84   - Name:  globalversym
  85     Index: [[INDEX=<none>]]
  86     Binding: STB_GLOBAL
  87   - Name:  version2sym
  88     Index: [[INDEX=<none>]]
  89     Binding: STB_GLOBAL
  90   - Name:  version3sym
  91     Index: [[INDEX=<none>]]
  92     Binding: STB_GLOBAL
  93   - Name:  version4sym
  94     Index: [[INDEX=<none>]]
  95     Binding: STB_GLOBAL
  96   - Name:  version5sym
  97     Index: [[INDEX=<none>]]
  98     Other: [ STV_HIDDEN ]
  99     Binding: STB_GLOBAL
 100
 101 ## Test the output with a long version name.
 102 # RUN: yaml2obj --docnum=2 %s -o %t2
 103 # RUN: llvm-objdump -T %t2 2>&1 | tr '\t' '|' | FileCheck %s \
 104 # RUN:   --check-prefix=LONGNAME --match-full-lines --strict-whitespace
 105
 106 #      LONGNAME:DYNAMIC SYMBOL TABLE:
 107 # LONGNAME-NEXT:0000000000000000 g    D  .gnu.version|0000000000000000  v2          sym1
 108 # LONGNAME-NEXT:0000000000000000 g    D  .gnu.version|0000000000000000  v3withverylongname sym2
 109
 110 --- !ELF
 111 FileHeader:
 112   Class: ELFCLASS64
 113   Data:  ELFDATA2LSB
 114   Type:  ET_DYN
 115 Sections:
 116   - Name:    .gnu.version
 117     Type:    SHT_GNU_versym
 118     Flags:   [ SHF_ALLOC ]
 119     Entries: [ 1, 2, 3 ]
 120   - Name:         .gnu.version_d
 121     Type:         SHT_GNU_verdef
 122     Flags:        [ SHF_ALLOC ]
 123     Link:         .dynstr
 124     AddressAlign: 0x4
 125     Info:         0x2
 126     Entries:
 127       - VersionNdx: 2
 128         Names:
 129           - v2
 130       - VersionNdx: 3
 131         Names:
 132           - v3withverylongname
 133   - Name:    .dynsym
 134     Type:    SHT_DYNSYM
 135 DynamicSymbols:
 136   - Name:  sym1
 137     Index: 1
 138     Binding: STB_GLOBAL
 139   - Name:  sym2
 140     Index: 1
 141     Binding: STB_GLOBAL
 142
 143 ## Check we report a warning when we are unable to read a SHT_GNU_versym section entry.
 144 ## In this case, the section has a size that is not a multiple of its sh_entsize.
 145
 146 # RUN: yaml2obj -DVERSYMSIZE=0xff %s -o %t2-broken-versym.o
 147 # RUN: llvm-objdump -T %t2-broken-versym.o 2>&1 | FileCheck %s --check-prefixes=VERSION-ERR1,NOVER
 148
 149 # VERSION-ERR1:warning: {{.*}}: unable to read an entry with index 1 from SHT_GNU_versym section
 150 # NOVER-NEXT:0000000000000000      D  *UND*  0000000000000000 localversym
 151 # NOVER-NEXT:0000000000000000      D  *UND*  0000000000000000 globalversym
 152 # NOVER-NEXT:0000000000000000      D  *UND*  0000000000000000 version2sym
 153 # NOVER-NEXT:0000000000000000      D  *UND*  0000000000000000 version3sym
 154 # NOVER-NEXT:0000000000000000      D  *UND*  0000000000000000 version4sym
 155 # NOVER-NEXT:0000000000000000      D  *UND*  0000000000000000 .hidden version5sym