llvm-project/llvm/test/tools/llvm-objdump/ELF/dynamic-relocs.test

## Show that llvm-objdump can dump dynamic relocations.
## Specifically, we are checking that the tags DT_RELA, DT_REL and DT_JMPREL
## properly identify relocation tables.

# RUN: yaml2obj --docnum=1 %s -o %t.empty
# RUN: not llvm-objdump -R %t.empty 2>&1 | FileCheck %s --check-prefix=NO-DYNAMIC

# NO-DYNAMIC: error: '{{.*}}': not a dynamic object

--- !ELF
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_DYN

# RUN: yaml2obj --docnum=2 -DTYPE=ET_EXEC %s -o %t1
# RUN: llvm-objdump --dynamic-reloc %t1 | FileCheck %s --strict-whitespace --match-full-lines

## e_type doesn't matter at all.
# RUN: yaml2obj --docnum=2 -DTYPE=0x1234 %s -o %t2
# RUN: llvm-objdump -R %t2 | FileCheck %s --strict-whitespace --match-full-lines

#      CHECK:{{.*}}file format elf64-x86-64
#CHECK-EMPTY:
# CHECK-NEXT:DYNAMIC RELOCATION RECORDS
# CHECK-NEXT:OFFSET           TYPE                     VALUE
# CHECK-NEXT:0000000000000000 R_X86_64_RELATIVE        *ABS*
# CHECK-NEXT:0000000000000000 R_X86_64_JUMP_SLOT       bar
# CHECK-NEXT:0000000000000008 R_X86_64_NONE            foo
#CHECK-EMPTY:

## -r ignores dynamic relocations.
# RUN: llvm-objdump -r %t2 | FileCheck %s --check-prefix=STATIC-RELOC

# STATIC-RELOC-NOT: RELOCATION RECORDS

--- !ELF
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    [[TYPE]]
  Machine: EM_X86_64
Sections:
  - Name:         .foo
    Type:         SHT_PROGBITS
    Size:         16
    Flags:        [SHF_ALLOC]
    Address:      0x100000
    AddressAlign: 0x100
  - Name:         .got.plt
    Type:         SHT_PROGBITS
    Flags:        [SHF_WRITE, SHF_ALLOC]
    Address:      0x100100
    AddressAlign: 0x1000
  - Name:         .rela.dyn
    Type:         SHT_RELA
    Address:      0x100200
    AddressAlign: 0x100
    Info:         .foo
    Link:         .dynsym
    Flags:        [SHF_ALLOC]
    Relocations:
      - Offset: 0
        Type:   R_X86_64_RELATIVE
        Addend: 0
  - Name:         .rela.plt
    Type:         SHT_RELA
    Address:      0x100300
    AddressAlign: 0x100
    Info:         .got.plt
    Link:         .dynsym
    Flags:        [SHF_ALLOC]
    Relocations:
      - Offset: 0
        Symbol: bar
        Type:   R_X86_64_JUMP_SLOT
  - Name:         .rel.dyn
    Type:         SHT_REL
    Address:      0x100400
    AddressAlign: 0x100
    Info:         .foo
    Link:         .dynsym
    Flags:        [SHF_ALLOC]
    Relocations:
      - Offset: 8
        Symbol: foo
        Type:   R_X86_64_NONE
  - Name:         .dynamic
    Type:         SHT_DYNAMIC
    Address:      0x100500
    AddressAlign: 0x100
    Link:         .dynstr
    Flags:        [SHF_ALLOC]
    Entries:
      - Tag: DT_RELA
        Value: 0x100200
      - Tag: DT_RELASZ
        Value: 24
      - Tag: DT_RELAENT
        Value: 24
      - Tag: DT_JMPREL
        Value: 0x100300
      - Tag: DT_PLTREL
        Value: 7
      - Tag: DT_PLTRELSZ
        Value: 24
      - Tag: DT_REL
        Value: 0x100400
      - Tag: DT_RELSZ
        Value: 16
      - Tag: DT_RELENT
        Value: 16
      - Tag: DT_NULL
        Value: 0
ProgramHeaders:
  - Type:     PT_LOAD
    VAddr:    0x100000
    Align:    0x100
    FirstSec: .foo
    LastSec:  .dynamic
  - Type:     PT_DYNAMIC
    VAddr:    0x100500
    Align:    0x100
    FirstSec: .dynamic
    LastSec:  .dynamic
DynamicSymbols:
  - Name:    foo
    Section: .foo
    Binding: STB_GLOBAL
  - Name:    bar
    Type:    STT_FUNC
    Binding: STB_GLOBAL

## Test a 32-bit object.
# RUN: yaml2obj --docnum=3 %s -o %t.i386
# RUN: llvm-objdump -R %t.i386 | FileCheck %s --check-prefix=I386 --strict-whitespace --match-full-lines

#      I386:{{.*}}file format elf32-i386
#I386-EMPTY:
# I386-NEXT:DYNAMIC RELOCATION RECORDS
# I386-NEXT:OFFSET   TYPE                     VALUE
# I386-NEXT:00000030 R_386_RELATIVE           *ABS*
# I386-NEXT:00000010 R_386_NONE               foo
#I386-EMPTY:

--- !ELF
FileHeader:
  Class:           ELFCLASS32
  Data:            ELFDATA2LSB
  Type:            ET_DYN
  Machine:         EM_386
ProgramHeaders:
  - Type:     PT_LOAD
    FirstSec: .rel.dyn
    LastSec:  .data
  - Type:     PT_DYNAMIC
    VAddr:    0x10
    FirstSec: .dynamic
    LastSec:  .dynamic
Sections:
  - Name:            .rel.dyn
    Type:            SHT_REL
    Link:            .dynsym
    Flags:           [ SHF_ALLOC ]
    AddressAlign:    0x4
    Relocations:
      - Offset:          0x30
        Type:            R_386_RELATIVE
      - Offset:          0x10
        Symbol:          foo
        Type:            R_386_NONE
  - Name:            .dynamic
    Type:            SHT_DYNAMIC
    Flags:           [ SHF_ALLOC ]
    Link:            .dynstr
    AddressAlign:    0x4
    Entries:
      - Tag:             DT_REL
        Value:           0x0
      - Tag:             DT_RELSZ
        Value:           0x10
      - Tag:             DT_RELENT
        Value:           0x8
      - Tag:             DT_RELCOUNT
        Value:           0x1
      - Tag:             DT_NULL
        Value:           0x0
  - Name:            .data
    Type:            SHT_PROGBITS
    Flags:           [ SHF_WRITE, SHF_ALLOC ]
    AddressAlign:    0x4
    Content:         '80110000'
DynamicSymbols:
  - Name:    foo
    Section: .data