test/tools/llvm-objdump/X86/elf-dynamic-relocs.test

   1 ## Show that llvm-objdump can dump dynamic relocations.
   2 ## Specifically, we are checking that the tags DT_RELA, DT_REL and DT_JMPREL
   3 ## properly identify relocation tables.
   4
   5 # RUN: yaml2obj %s -o %t
   6 # RUN: llvm-objdump --dynamic-reloc %t | FileCheck --implicit-check-not=R_X86 %s
   7
   8 # CHECK:      file format ELF64-x86-64
   9 # CHECK:      DYNAMIC RELOCATION RECORDS
  10 # CHECK-NEXT: 0000000000000000 R_X86_64_RELATIVE *ABS*
  11 # CHECK-NEXT: 0000000000000000 R_X86_64_JUMP_SLOT bar
  12 # CHECK-NEXT: 0000000000000008 R_X86_64_NONE foo
  13
  14 --- !ELF
  15 FileHeader:
  16   Class:   ELFCLASS64
  17   Data:    ELFDATA2LSB
  18   Type:    ET_DYN
  19   Machine: EM_X86_64
  20 Sections:
  21   - Name:         .foo
  22     Type:         SHT_PROGBITS
  23     Size:         16
  24     Flags:        [SHF_ALLOC]
  25     Address:      0x100000
  26     AddressAlign: 0x100
  27   - Name:         .got.plt
  28     Type:         SHT_PROGBITS
  29     Flags:        [SHF_WRITE, SHF_ALLOC]
  30     Address:      0x100100
  31     AddressAlign: 0x1000
  32   - Name:         .rela.dyn
  33     Type:         SHT_RELA
  34     Address:      0x100200
  35     AddressAlign: 0x100
  36     Info:         .foo
  37     Link:         .dynsym
  38     Flags:        [SHF_ALLOC]
  39     Relocations:
  40       - Offset: 0
  41         Type:   R_X86_64_RELATIVE
  42         Addend: 0
  43   - Name:         .rela.plt
  44     Type:         SHT_RELA
  45     Address:      0x100300
  46     AddressAlign: 0x100
  47     Info:         .got.plt
  48     Link:         .dynsym
  49     Flags:        [SHF_ALLOC]
  50     Relocations:
  51       - Offset: 0
  52         Symbol: 2 # bar
  53         Type:   R_X86_64_JUMP_SLOT
  54   - Name:         .rel.dyn
  55     Type:         SHT_REL
  56     Address:      0x100400
  57     AddressAlign: 0x100
  58     Info:         .foo
  59     Link:         .dynsym
  60     Flags:        [SHF_ALLOC]
  61     Relocations:
  62       - Offset: 8
  63         Symbol: 1 # foo
  64         Type:   R_X86_64_NONE
  65   - Name:         .dynamic
  66     Type:         SHT_DYNAMIC
  67     Address:      0x100500
  68     AddressAlign: 0x100
  69     Link:         .dynstr
  70     Flags:        [SHF_ALLOC]
  71     Entries:
  72       - Tag: DT_RELA
  73         Value: 0x100200
  74       - Tag: DT_RELASZ
  75         Value: 24
  76       - Tag: DT_RELAENT
  77         Value: 24
  78       - Tag: DT_JMPREL
  79         Value: 0x100300
  80       - Tag: DT_PLTREL
  81         Value: 7
  82       - Tag: DT_PLTRELSZ
  83         Value: 24
  84       - Tag: DT_REL
  85         Value: 0x100400
  86       - Tag: DT_RELSZ
  87         Value: 16
  88       - Tag: DT_RELENT
  89         Value: 16
  90       - Tag: DT_NULL
  91         Value: 0
  92 ProgramHeaders:
  93   - Type:     PT_LOAD
  94     VAddr:    0x100000
  95     Align:    0x100
  96     Sections:
  97       - Section: .foo
  98       - Section: .rela.dyn
  99       - Section: .rela.plt
 100       - Section: .rel.dyn
 101       - Section: .dynamic
 102   - Type:     PT_DYNAMIC
 103     VAddr:    0x100500
 104     Align:    0x100
 105     Sections:
 106       - Section: .dynamic
 107 DynamicSymbols:
 108   - Name:    foo
 109     Section: .foo
 110     Binding: STB_GLOBAL
 111   - Name:    bar
 112     Type:    STT_FUNC
 113     Binding: STB_GLOBAL