llvm/test/tools/llvm-readobj/ELF/dynamic-table-dtnull.s

   1 # Check we are able to dump the dynamic section without a DT_NULL entry correctly.
   2
   3 # RUN: yaml2obj --docnum=1 %s -o %t.o
   4 # RUN: llvm-readobj --dynamic-table %t.o | FileCheck %s --check-prefix=NONULL-LLVM
   5 # RUN: llvm-readelf --dynamic-table %t.o | FileCheck %s --check-prefix=NONULL-GNU
   6
   7 # NONULL-LLVM:      DynamicSection [ (1 entries)
   8 # NONULL-LLVM-NEXT:   Tag                Type   Name/Value
   9 # NONULL-LLVM-NEXT:   0x0000000000000015 DEBUG  0x0
  10 # NONULL-LLVM-NEXT: ]
  11
  12 # NONULL-GNU:      Dynamic section at offset {{.*}} contains 1 entries:
  13 # NONULL-GNU-NEXT:   Tag                Type     Name/Value
  14 # NONULL-GNU-NEXT:   0x0000000000000015 (DEBUG)  0x0
  15
  16 --- !ELF
  17 FileHeader:
  18   Class: ELFCLASS64
  19   Data:  ELFDATA2LSB
  20   Type:  ET_EXEC
  21 Sections:
  22   - Name: .dynamic
  23     Type: SHT_DYNAMIC
  24     Entries:
  25       - Tag:   DT_DEBUG
  26         Value: 0x0000000000000000
  27 ProgramHeaders:
  28   - Type:     PT_LOAD
  29     FirstSec: .dynamic
  30     LastSec:  .dynamic
  31   - Type:     PT_DYNAMIC
  32     FirstSec: .dynamic
  33     LastSec:  .dynamic
  34
  35 # Sometimes .dynamic section content length can be greater than the
  36 # length of its entries. In this case, we should not try to dump anything
  37 # past the DT_NULL entry, which works as a terminator.
  38
  39 # RUN: yaml2obj --docnum=2 %s -o %t.o
  40 # RUN: llvm-readobj --dynamic-table %t.o | FileCheck %s --check-prefix=LONG-LLVM
  41 # RUN: llvm-readelf --dynamic-table %t.o | FileCheck %s --check-prefix=LONG-GNU
  42
  43 # LONG-LLVM:      DynamicSection [ (2 entries)
  44 # LONG-LLVM-NEXT:   Tag                Type                 Name/Value
  45 # LONG-LLVM-NEXT:   0x0000000000000015 DEBUG                0x0
  46 # LONG-LLVM-NEXT:   0x0000000000000000 NULL                 0x0
  47 # LONG-LLVM-NEXT: ]
  48
  49 # LONG-GNU:      Dynamic section at offset {{.*}} contains 2 entries:
  50 # LONG-GNU-NEXT:   Tag                Type                 Name/Value
  51 # LONG-GNU-NEXT:   0x0000000000000015 (DEBUG)              0x0
  52 # LONG-GNU-NEXT:   0x0000000000000000 (NULL)               0x0
  53
  54 --- !ELF
  55 FileHeader:
  56   Class: ELFCLASS64
  57   Data:  ELFDATA2LSB
  58   Type:  ET_EXEC
  59 Sections:
  60   - Name: .dynamic
  61     Type: SHT_DYNAMIC
  62     Entries:
  63       - Tag:   DT_DEBUG
  64         Value: 0x0000000000000000
  65       - Tag:   DT_NULL
  66         Value: 0x0000000000000000
  67       - Tag:   DT_NULL
  68         Value: 0x0000000000000000
  69 ProgramHeaders:
  70   - Type:     PT_LOAD
  71     FirstSec: .dynamic
  72     LastSec:  .dynamic
  73   - Type:     PT_DYNAMIC
  74     FirstSec: .dynamic
  75     LastSec:  .dynamic