disassemble-zeroes-relocations.test 1.85 KB
# RUN: yaml2obj %s > %t

## Check we do not skip zeroes blocks if have relocations pointed to these places.
# RUN: llvm-objdump -D --reloc %t

# CHECK:      0000000000000000 .rodata:
# CHECK-NEXT:        0:       00 00   addb    %al, (%rax)
# CHECK-NEXT:                 0000000000000000:  R_X86_64_64  *ABS*
# CHECK-NEXT:        2:       00 00   addb    %al, (%rax)
# CHECK-NEXT:        4:       00 00   addb    %al, (%rax)
# CHECK-NEXT:        6:       00 00   addb    %al, (%rax)
# CHECK-NEXT:        8:       00 00   addb    %al, (%rax)
# CHECK-NEXT:                 0000000000000008:  R_X86_64_64  *ABS*
# CHECK-NEXT:        a:       00 00   addb    %al, (%rax)
# CHECK-NEXT:        c:       00 00   addb    %al, (%rax)
# CHECK-NEXT:        e:       00 00   addb    %al, (%rax)

## Check that without -reloc all zeroes would be omitted.
# RUN: llvm-objdump -D %t | FileCheck %s --check-prefix=SKIP

# SKIP:      0000000000000000 .rodata:
# SKIP-NEXT:   ...
# SKIP-EMPTY:
# SKIP-NEXT: Disassembly of section .rela.rodata:

--- !ELF
FileHeader:
  Class:           ELFCLASS64
  Data:            ELFDATA2LSB
  Type:            ET_REL
  Machine:         EM_X86_64
Sections:
  - Name:            .rodata
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC ]
    AddressAlign:    0x0000000000000001
    Content:         '00000000000000000000000000000000'
  - Name:            .rela.rodata
    Type:            SHT_RELA
    Flags:           [ SHF_INFO_LINK ]
    Link:            .symtab
    AddressAlign:    0x0000000000000008
    EntSize:         0x0000000000000018
    Info:            .rodata
    Relocations:
      - Offset:          0x0000000000000000
        Symbol:          x
        Type:            R_X86_64_64
      - Offset:          0x0000000000000008
        Symbol:          x
        Type:            R_X86_64_64
Symbols:
  - Name: x
    Binding:         STB_GLOBAL