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

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2022-04-25 10:02:23 +02:00
## 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 %s -o %t
# RUN: llvm-objdump --dynamic-reloc %t | FileCheck --implicit-check-not=R_X86 %s
# RUN: llvm-objdump -R %t | FileCheck --implicit-check-not=R_X86 %s
# CHECK: file format elf64-x86-64
# CHECK: DYNAMIC RELOCATION RECORDS
# 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
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
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: 2 # 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: 1 # 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