## Test that we are able to print dynamic relocations with --dyn-relocations.
## Check what we print when there are no dynamic relocations in an object.
# RUN: yaml2obj --docnum=1 %s -o %t1
# RUN: llvm-readobj --dyn-relocations %t1 2>&1 | FileCheck %s --check-prefix=LLVM-NONE
# RUN: llvm-readelf --dyn-relocations %t1 2>&1 | FileCheck %s --implicit-check-not={{.}} --allow-empty
# LLVM-NONE: Dynamic Relocations {
# LLVM-NONE-NEXT: }
# LLVM-NONE-NOT: {{.}}
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
## Check that we dump all possbile dynamic relocation sections.
# RUN: yaml2obj --docnum=2 %s -o %t2.1
# RUN: llvm-readobj --dyn-relocations %t2.1 2>&1 | \
# RUN: FileCheck %s --implicit-check-not=warning: --check-prefix=LLVM-RELOCS
# RUN: llvm-readelf --dyn-relocations %t2.1 2>&1 | \
# RUN: FileCheck %s --implicit-check-not=warning: --strict-whitespace \
# RUN: --match-full-lines --check-prefixes=GNU-RELOCS,GNU-PLTREL
## 7 == DT_RELA.
# RUN: yaml2obj --docnum=2 %s -DDTPLTREL=7 -DPLTTYPE=SHT_RELA -DPLTRELSZ=0x18 -o %t2.2
# RUN: llvm-readobj --dyn-relocations %t2.2 2>&1 | \
# RUN: FileCheck %s --implicit-check-not=warning: --check-prefix=LLVM-RELOCS
# RUN: llvm-readelf --dyn-relocations %t2.2 2>&1 | \
# RUN: FileCheck %s --implicit-check-not=warning: --strict-whitespace \
# RUN: --match-full-lines --check-prefixes=GNU-RELOCS,GNU-PLTRELA
# LLVM-RELOCS: Dynamic Relocations {
# LLVM-RELOCS-NEXT: 0x1 R_X86_64_NONE foo 0x0
# LLVM-RELOCS-NEXT: 0x2 R_X86_64_NONE foo
# LLVM-RELOCS-NEXT: 0x4 R_X86_64_RELATIVE
# LLVM-RELOCS-NEXT: 0x8 R_X86_64_NONE foo
# LLVM-RELOCS-NEXT: }
# GNU-RELOCS:'RELA' relocation section at offset 0x78 contains 24 bytes:
# GNU-RELOCS-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
# GNU-RELOCS-NEXT:0000000000000001 0000000100000000 R_X86_64_NONE 0000000000000000 foo + 0
# GNU-RELOCS-EMPTY:
# GNU-RELOCS-NEXT:'REL' relocation section at offset 0x90 contains 16 bytes:
# GNU-RELOCS-NEXT: Offset Info Type Symbol's Value Symbol's Name
# GNU-RELOCS-NEXT:0000000000000002 0000000100000000 R_X86_64_NONE 0000000000000000 foo
# GNU-RELOCS-EMPTY:
# GNU-RELOCS-NEXT:'RELR' relocation section at offset 0xa0 contains 8 bytes:
# GNU-RELOCS-NEXT: Offset Info Type Symbol's Value Symbol's Name
# GNU-RELOCS-NEXT:0000000000000004 0000000000000008 R_X86_64_RELATIVE {{$}}
# GNU-RELOCS-EMPTY:
# GNU-PLTREL-NEXT:'PLT' relocation section at offset 0xa8 contains 16 bytes:
# GNU-PLTREL-NEXT: Offset Info Type Symbol's Value Symbol's Name
# GNU-PLTREL-NEXT:0000000000000008 0000000100000000 R_X86_64_NONE 0000000000000000 foo
# GNU-PLTRELA-NEXT:'PLT' relocation section at offset 0xa8 contains 24 bytes:
# GNU-PLTRELA-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
# GNU-PLTRELA-NEXT:0000000000000008 0000000100000000 R_X86_64_NONE 0000000000000000 foo + 0
# GNU-RELOCS-EMPTY:
# GNU-RELOCS-NOT:{{.}}
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .rela.dyn
Type: SHT_RELA
Relocations:
- Type: R_X86_64_NONE
Offset: 0x1
Symbol: foo
- Name: .rel.dyn
Type: SHT_REL
Relocations:
- Type: R_X86_64_NONE
Offset: 0x2
Symbol: foo
- Name: .relr.dyn
Type: SHT_RELR
Flags: [ SHF_ALLOC ]
Entries: [ 0x0000000000000004 ]
- Name: .plt
Type: [[PLTTYPE=SHT_REL]]
Relocations:
- Type: R_X86_64_NONE
Offset: 0x8
Symbol: foo
- Name: .dynamic
Type: SHT_DYNAMIC
Entries:
- Tag: DT_RELA
Value: 0x0
- Tag: DT_RELASZ
Value: 0x18
- Tag: DT_RELAENT
Value: 0x18
## 0x18 == offset of .rel.dyn in the segment.
- Tag: DT_REL
Value: 0x18
- Tag: DT_RELSZ
Value: 0x10
- Tag: DT_RELENT
Value: 0x10
## 0x28 == offset of .relr.dyn section in the segment.
- Tag: DT_RELR
Value: 0x28
- Tag: DT_RELRSZ
Value: 0x8
- Tag: DT_RELRENT
Value: 0x8
## 0x30 == offset of .plt section in the segment.
- Tag: DT_JMPREL
Value: 0x30
- Tag: DT_PLTREL
Value: [[DTPLTREL=17]] ## 17 == DT_REL
- Tag: DT_PLTRELSZ
Value: [[PLTRELSZ=0x10]]
- Tag: DT_NULL
Value: 0x0
Symbols:
- Name: foo
DynamicSymbols:
- Name: foo
ProgramHeaders:
- Type: PT_LOAD
FirstSec: .rela.dyn
LastSec: .dynamic
## Check we report a warning when the value of the DT_PLTREL dynamic tag is invalid.
## We currently accept DT_RELA(7) and DT_REL(17) values. This test case uses 0xff.
# RUN: yaml2obj --docnum=2 %s -DDTPLTREL=0xFF -o %t3
# RUN: llvm-readobj --dyn-relocations %t3 2>&1 | \
# RUN: FileCheck %s -DFILE=%t3 --implicit-check-not=warning: --check-prefix=PLTRELUNKNOWN-LLVM
# RUN: llvm-readelf --dyn-relocations %t3 2>&1 | \
# RUN: FileCheck %s -DFILE=%t3 --implicit-check-not=warning: --check-prefix=PLTRELUNKNOWN-GNU
# PLTRELUNKNOWN-LLVM: warning: '[[FILE]]': unknown DT_PLTREL value of 255
# PLTRELUNKNOWN-LLVM: Dynamic Relocations {
# PLTRELUNKNOWN-LLVM-NEXT: 0x1 R_X86_64_NONE foo 0x0
# PLTRELUNKNOWN-LLVM-NEXT: 0x2 R_X86_64_NONE foo{{$}}
# PLTRELUNKNOWN-LLVM-NEXT: 0x4 R_X86_64_RELATIVE -{{$}}
# PLTRELUNKNOWN-LLVM-NEXT: warning: '[[FILE]]': invalid DT_PLTRELSZ value (0x10) or PLTREL entry size (0x0)
# PLTRELUNKNOWN-LLVM-NEXT: }
# PLTRELUNKNOWN-GNU: warning: '[[FILE]]': unknown DT_PLTREL value of 255
# PLTRELUNKNOWN-GNU-EMPTY:
# PLTRELUNKNOWN-GNU-NEXT: 'RELA' relocation section at offset 0x78 contains 24 bytes:
# PLTRELUNKNOWN-GNU-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
# PLTRELUNKNOWN-GNU-NEXT: 0000000000000001 0000000100000000 R_X86_64_NONE 0000000000000000 foo + 0
# PLTRELUNKNOWN-GNU-EMPTY:
# PLTRELUNKNOWN-GNU-NEXT: 'REL' relocation section at offset 0x90 contains 16 bytes:
# PLTRELUNKNOWN-GNU-NEXT: Offset Info Type Symbol's Value Symbol's Name
# PLTRELUNKNOWN-GNU-NEXT: 0000000000000002 0000000100000000 R_X86_64_NONE 0000000000000000 foo
# PLTRELUNKNOWN-GNU-EMPTY:
# PLTRELUNKNOWN-GNU-NEXT: 'RELR' relocation section at offset 0xa0 contains 8 bytes:
# PLTRELUNKNOWN-GNU-NEXT: Offset Info Type Symbol's Value Symbol's Name
# PLTRELUNKNOWN-GNU-NEXT: 0000000000000004 0000000000000008 R_X86_64_RELATIVE
# PLTRELUNKNOWN-GNU-EMPTY:
# PLTRELUNKNOWN-GNU-NEXT: 'PLT' relocation section at offset 0xa8 contains 16 bytes:
# PLTRELUNKNOWN-GNU-NEXT: Offset Info Type Symbol's Value Symbol's Name
# PLTRELUNKNOWN-GNU-NEXT: warning: '[[FILE]]': invalid DT_PLTRELSZ value (0x10) or PLTREL entry size (0x0)