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## 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
|
