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

# Check we are able to dump the dynamic section without a DT_NULL entry correctly.

# RUN: yaml2obj --docnum=1 %s -o %t.o
# RUN: llvm-readobj --dynamic-table %t.o | FileCheck %s --check-prefix=NONULL-LLVM
# RUN: llvm-readelf --dynamic-table %t.o | FileCheck %s --check-prefix=NONULL-GNU

# NONULL-LLVM:      DynamicSection [ (1 entries)
# NONULL-LLVM-NEXT:   Tag                Type   Name/Value
# NONULL-LLVM-NEXT:   0x0000000000000015 DEBUG  0x0
# NONULL-LLVM-NEXT: ]

# NONULL-GNU:      Dynamic section at offset {{.*}} contains 1 entries:
# NONULL-GNU-NEXT:   Tag                Type     Name/Value
# NONULL-GNU-NEXT:   0x0000000000000015 (DEBUG)  0x0

--- !ELF
FileHeader:
  Class: ELFCLASS64
  Data:  ELFDATA2LSB
  Type:  ET_EXEC
Sections:
  - Name: .dynamic
    Type: SHT_DYNAMIC
    Entries:
      - Tag:   DT_DEBUG
        Value: 0x0000000000000000
ProgramHeaders:
  - Type:     PT_LOAD
    FirstSec: .dynamic
    LastSec:  .dynamic
  - Type:     PT_DYNAMIC
    FirstSec: .dynamic
    LastSec:  .dynamic

# Sometimes .dynamic section content length can be greater than the
# length of its entries. In this case, we should not try to dump anything
# past the DT_NULL entry, which works as a terminator.

# RUN: yaml2obj --docnum=2 %s -o %t.o
# RUN: llvm-readobj --dynamic-table %t.o | FileCheck %s --check-prefix=LONG-LLVM
# RUN: llvm-readelf --dynamic-table %t.o | FileCheck %s --check-prefix=LONG-GNU

# LONG-LLVM:      DynamicSection [ (2 entries)
# LONG-LLVM-NEXT:   Tag                Type                 Name/Value
# LONG-LLVM-NEXT:   0x0000000000000015 DEBUG                0x0
# LONG-LLVM-NEXT:   0x0000000000000000 NULL                 0x0
# LONG-LLVM-NEXT: ]

# LONG-GNU:      Dynamic section at offset {{.*}} contains 2 entries:
# LONG-GNU-NEXT:   Tag                Type                 Name/Value
# LONG-GNU-NEXT:   0x0000000000000015 (DEBUG)              0x0
# LONG-GNU-NEXT:   0x0000000000000000 (NULL)               0x0

--- !ELF
FileHeader:
  Class: ELFCLASS64
  Data:  ELFDATA2LSB
  Type:  ET_EXEC
Sections:
  - Name: .dynamic
    Type: SHT_DYNAMIC
    Entries:
      - Tag:   DT_DEBUG
        Value: 0x0000000000000000
      - Tag:   DT_NULL
        Value: 0x0000000000000000
      - Tag:   DT_NULL
        Value: 0x0000000000000000
ProgramHeaders:
  - Type:     PT_LOAD
    FirstSec: .dynamic
    LastSec:  .dynamic
  - Type:     PT_DYNAMIC
    FirstSec: .dynamic
    LastSec:  .dynamic