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|
## Test how llvm-readobj/llvm-readelf tools dump versioning sections.
# RUN: yaml2obj %s --docnum=1 -o %t1
# RUN: llvm-readobj -V %t1 | FileCheck %s --check-prefix=LLVM
# RUN: llvm-readelf -V %t1 | FileCheck %s --check-prefix=GNU
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
OSABI: ELFOSABI_FREEBSD
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .gnu.version
Type: SHT_GNU_versym
Flags: [ SHF_ALLOC ]
Link: .dynsym
AddressAlign: 0x0000000000000002
EntSize: 0x0000000000000002
Entries: [ 0, 2, 3, 4, 5, 6]
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Flags: [ SHF_ALLOC ]
Link: .dynstr
AddressAlign: 0x0000000000000004
Info: 0x0000000000000006
Entries:
- Version: 1
Flags: 0
VersionNdx: 0
Hash: 0
Names:
- VERSION1
- Version: 1
Flags: 1
VersionNdx: 0
Hash: 0
Names:
- VERSION1
- Version: 1
Flags: 2
VersionNdx: 0
Hash: 0
Names:
- VERSION1
- Version: 1
Flags: 4
VersionNdx: 0
Hash: 0
Names:
- VERSION1
- Version: 1
Flags: 7
VersionNdx: 2
Hash: 175630257
Names:
- VERSION1
- Version: 1
Flags: 8
VersionNdx: 3
Hash: 175630258
Names:
- VERSION2
- VERSION1
- VERSION3
- Name: .gnu.version_r
Type: SHT_GNU_verneed
Flags: [ SHF_ALLOC ]
Link: .dynstr
AddressAlign: 0x0000000000000004
Info: 0x0000000000000002
Dependencies:
- Version: 1
File: verneed1.so.0
Entries:
- Name: v1
Hash: 0
Flags: 1
Other: 0
- Name: v1
Hash: 0
Flags: 2
Other: 0
- Name: v1
Hash: 0
Flags: 4
Other: 0
- Name: v1
Hash: 1938
Flags: 7
Other: 4
- Name: v2
Hash: 1939
Flags: 8
Other: 5
- Version: 1
File: verneed2.so.0
Entries:
- Name: v3
Hash: 1937
Flags: 0
Other: 6
DynamicSymbols:
- Name: sym1
Binding: STB_GLOBAL
- Name: sym2
Binding: STB_GLOBAL
- Name: sym3
Binding: STB_GLOBAL
- Name: sym4
Binding: STB_GLOBAL
- Name: sym5
Binding: STB_GLOBAL
...
# LLVM: VersionSymbols [
# LLVM-NEXT: Symbol {
# LLVM-NEXT: Version: 0
# LLVM-NEXT: Name:
# LLVM-NEXT: }
# LLVM-NEXT: Symbol {
# LLVM-NEXT: Version: 2
# LLVM-NEXT: Name: sym1@@VERSION1
# LLVM-NEXT: }
# LLVM-NEXT: Symbol {
# LLVM-NEXT: Version: 3
# LLVM-NEXT: Name: sym2@@VERSION2
# LLVM-NEXT: }
# LLVM-NEXT: Symbol {
# LLVM-NEXT: Version: 4
# LLVM-NEXT: Name: sym3@v1
# LLVM-NEXT: }
# LLVM-NEXT: Symbol {
# LLVM-NEXT: Version: 5
# LLVM-NEXT: Name: sym4@v2
# LLVM-NEXT: }
# LLVM-NEXT: Symbol {
# LLVM-NEXT: Version: 6
# LLVM-NEXT: Name: sym5@v3
# LLVM-NEXT: }
# LLVM-NEXT: ]
# LLVM-NEXT: VersionDefinitions [
# LLVM-NEXT: Definition {
# LLVM-NEXT: Version: 1
# LLVM-NEXT: Flags [ (0x0)
# LLVM-NEXT: ]
# LLVM-NEXT: Index: 0
# LLVM-NEXT: Hash: 0
# LLVM-NEXT: Name: VERSION1
# LLVM-NEXT: Predecessors: []
# LLVM-NEXT: }
# LLVM-NEXT: Definition {
# LLVM-NEXT: Version: 1
# LLVM-NEXT: Flags [ (0x1)
# LLVM-NEXT: Base (0x1)
# LLVM-NEXT: ]
# LLVM-NEXT: Index: 0
# LLVM-NEXT: Hash: 0
# LLVM-NEXT: Name: VERSION1
# LLVM-NEXT: Predecessors: []
# LLVM-NEXT: }
# LLVM-NEXT: Definition {
# LLVM-NEXT: Version: 1
# LLVM-NEXT: Flags [ (0x2)
# LLVM-NEXT: Weak (0x2)
# LLVM-NEXT: ]
# LLVM-NEXT: Index: 0
# LLVM-NEXT: Hash: 0
# LLVM-NEXT: Name: VERSION1
# LLVM-NEXT: Predecessors: []
# LLVM-NEXT: }
# LLVM-NEXT: Definition {
# LLVM-NEXT: Version: 1
# LLVM-NEXT: Flags [ (0x4)
# LLVM-NEXT: Info (0x4)
# LLVM-NEXT: ]
# LLVM-NEXT: Index: 0
# LLVM-NEXT: Hash: 0
# LLVM-NEXT: Name: VERSION1
# LLVM-NEXT: Predecessors: []
# LLVM-NEXT: }
# LLVM-NEXT: Definition {
# LLVM-NEXT: Version: 1
# LLVM-NEXT: Flags [ (0x7)
# LLVM-NEXT: Base (0x1)
# LLVM-NEXT: Info (0x4)
# LLVM-NEXT: Weak (0x2)
# LLVM-NEXT: ]
# LLVM-NEXT: Index: 2
# LLVM-NEXT: Hash: 175630257
# LLVM-NEXT: Name: VERSION1
# LLVM-NEXT: Predecessors: []
# LLVM-NEXT: }
# LLVM-NEXT: Definition {
# LLVM-NEXT: Version: 1
# LLVM-NEXT: Flags [ (0x8)
# LLVM-NEXT: ]
# LLVM-NEXT: Index: 3
# LLVM-NEXT: Hash: 175630258
# LLVM-NEXT: Name: VERSION2
# LLVM-NEXT: Predecessors: [VERSION1, VERSION3]
# LLVM-NEXT: }
# LLVM-NEXT: ]
# LLVM-NEXT: VersionRequirements [
# LLVM-NEXT: Dependency {
# LLVM-NEXT: Version: 1
# LLVM-NEXT: Count: 5
# LLVM-NEXT: FileName: verneed1.so.0
# LLVM-NEXT: Entries [
# LLVM-NEXT: Entry {
# LLVM-NEXT: Hash: 0
# LLVM-NEXT: Flags [ (0x1)
# LLVM-NEXT: Base (0x1)
# LLVM-NEXT: ]
# LLVM-NEXT: Index: 0
# LLVM-NEXT: Name: v1
# LLVM-NEXT: }
# LLVM-NEXT: Entry {
# LLVM-NEXT: Hash: 0
# LLVM-NEXT: Flags [ (0x2)
# LLVM-NEXT: Weak (0x2)
# LLVM-NEXT: ]
# LLVM-NEXT: Index: 0
# LLVM-NEXT: Name: v1
# LLVM-NEXT: }
# LLVM-NEXT: Entry {
# LLVM-NEXT: Hash: 0
# LLVM-NEXT: Flags [ (0x4)
# LLVM-NEXT: Info (0x4)
# LLVM-NEXT: ]
# LLVM-NEXT: Index: 0
# LLVM-NEXT: Name: v1
# LLVM-NEXT: }
# LLVM-NEXT: Entry {
# LLVM-NEXT: Hash: 1938
# LLVM-NEXT: Flags [ (0x7)
# LLVM-NEXT: Base (0x1)
# LLVM-NEXT: Info (0x4)
# LLVM-NEXT: Weak (0x2)
# LLVM-NEXT: ]
# LLVM-NEXT: Index: 4
# LLVM-NEXT: Name: v1
# LLVM-NEXT: }
# LLVM-NEXT: Entry {
# LLVM-NEXT: Hash: 1939
# LLVM-NEXT: Flags [ (0x8)
# LLVM-NEXT: ]
# LLVM-NEXT: Index: 5
# LLVM-NEXT: Name: v2
# LLVM-NEXT: }
# LLVM-NEXT: ]
# LLVM-NEXT: }
# LLVM-NEXT: Dependency {
# LLVM-NEXT: Version: 1
# LLVM-NEXT: Count: 1
# LLVM-NEXT: FileName: verneed2.so.0
# LLVM-NEXT: Entries [
# LLVM-NEXT: Entry {
# LLVM-NEXT: Hash: 1937
# LLVM-NEXT: Flags [ (0x0)
# LLVM-NEXT: ]
# LLVM-NEXT: Index: 6
# LLVM-NEXT: Name: v3
# LLVM-NEXT: }
# LLVM-NEXT: ]
# LLVM-NEXT: }
# LLVM-NEXT: ]
# GNU: Version symbols section '.gnu.version' contains 6 entries:
# GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 6 (.dynsym)
# GNU-NEXT: 000: 0 (*local*) 2 (VERSION1) 3 (VERSION2) 4 (v1)
# GNU-NEXT: 004: 5 (v2) 6 (v3)
# GNU-EMPTY:
# GNU-NEXT: Version definition section '.gnu.version_d' contains 6 entries:
# GNU-NEXT: Addr: 0000000000000000 Offset: 0x00004c Link: 7 (.dynstr)
# GNU-NEXT: 0x0000: Rev: 1 Flags: none Index: 0 Cnt: 1 Name: VERSION1
# GNU-NEXT: 0x001c: Rev: 1 Flags: BASE Index: 0 Cnt: 1 Name: VERSION1
# GNU-NEXT: 0x0038: Rev: 1 Flags: WEAK Index: 0 Cnt: 1 Name: VERSION1
# GNU-NEXT: 0x0054: Rev: 1 Flags: INFO Index: 0 Cnt: 1 Name: VERSION1
# GNU-NEXT: 0x0070: Rev: 1 Flags: BASE | WEAK | INFO Index: 2 Cnt: 1 Name: VERSION1
# GNU-NEXT: 0x008c: Rev: 1 Flags: <unknown> Index: 3 Cnt: 3 Name: VERSION2
# GNU-NEXT: 0x00b0: Parent 1: VERSION1
# GNU-NEXT: 0x00b0: Parent 2: VERSION3
# GNU-EMPTY:
# GNU-NEXT: Version needs section '.gnu.version_r' contains 2 entries:
# GNU-NEXT: Addr: 0000000000000000 Offset: 0x000104 Link: 7 (.dynstr)
# GNU-NEXT: 0x0000: Version: 1 File: verneed1.so.0 Cnt: 5
# GNU-NEXT: 0x0010: Name: v1 Flags: BASE Version: 0
# GNU-NEXT: 0x0020: Name: v1 Flags: WEAK Version: 0
# GNU-NEXT: 0x0030: Name: v1 Flags: INFO Version: 0
# GNU-NEXT: 0x0040: Name: v1 Flags: BASE | WEAK | INFO Version: 4
# GNU-NEXT: 0x0050: Name: v2 Flags: <unknown> Version: 5
# GNU-NEXT: 0x0060: Version: 1 File: verneed2.so.0 Cnt: 1
# GNU-NEXT: 0x0070: Name: v3 Flags: none Version: 6
## Check that we report a warning when sh_link references a non-existent section.
# RUN: yaml2obj %s --docnum=2 -o %t2
# RUN: llvm-readobj -V %t2 2>&1 | FileCheck %s --check-prefix=INVALID-LINK-LLVM -DFILE=%t2
# RUN: not llvm-readelf -V %t2 2>&1 | FileCheck %s --check-prefix=INVALID-LINK-GNU -DFILE=%t2
# INVALID-LINK-LLVM: warning: '[[FILE]]': invalid section linked to SHT_GNU_verdef section with index 1: invalid section index: 255
## TODO: llvm-readelf should also report a meaningful warning instead of an error.
# INVALID-LINK-GNU: Version definition
# INVALID-LINK-GNU: error: '[[FILE]]': invalid section index: 255
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Link: 0xFF
Info: 0x0
Entries: []
## Check that we report a warning when the sh_link field of a SHT_GNU_verdef section references a non-string table section.
# RUN: yaml2obj %s --docnum=3 -o %t3
# RUN: llvm-readobj -V %t3 2>&1 | FileCheck %s --check-prefix=INVALID-STRING-TABLE -DFILE=%t3
# RUN: llvm-readelf -V %t3 2>&1 | FileCheck %s --check-prefix=INVALID-STRING-TABLE -DFILE=%t3
# INVALID-STRING-TABLE: warning: '[[FILE]]': invalid string table linked to SHT_GNU_verdef section with index 1: invalid sh_type for string table section [index 0]: expected SHT_STRTAB, but got SHT_NULL
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Link: 0x0
Info: 0x0
Entries: []
## Check that we report a warning when we can't read the content of the SHT_GNU_verdef section.
# RUN: yaml2obj %s --docnum=4 -o %t4
# RUN: llvm-readobj -V %t4 2>&1 | FileCheck %s --check-prefix=INVALID-DATA -DFILE=%t4
# RUN: llvm-readelf -V %t4 2>&1 | FileCheck %s --check-prefix=INVALID-DATA -DFILE=%t4
# INVALID-DATA: warning: '[[FILE]]': cannot read content of SHT_GNU_verdef section with index 1: section [index 1] has a sh_offset (0xffffffff) + sh_size (0x0) that cannot be represented
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Link: .dynstr
Info: 0x0
Entries: []
ShOffset: 0xFFFFFFFF
DynamicSymbols:
- Name: foo
## Check that we report a warning when a SHT_GNU_verdef section contains a version definition
## that goes past the end of the section.
# RUN: yaml2obj %s --docnum=5 -o %t5
# RUN: llvm-readobj -V %t5 2>&1 | FileCheck %s --check-prefix=DEF-PAST-END -DFILE=%t5
# RUN: llvm-readelf -V %t5 2>&1 | FileCheck %s --check-prefix=DEF-PAST-END -DFILE=%t5
# DEF-PAST-END: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: version definition 1 goes past the end of the section
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Link: .dynstr
Info: 0x1
Entries:
- Version: 0
Flags: 0
VersionNdx: 0
Hash: 0
Names:
- FOO
ShSize: 1
DynamicSymbols:
- Name: foo
## Check that we report a warning when a SHT_GNU_verdef section contains a version definition
## that refers to an auxiliary entry that goes past the end of the section.
# RUN: yaml2obj %s --docnum=6 -o %t6
# RUN: llvm-readobj -V %t6 2>&1 | FileCheck %s --check-prefix=AUX-PAST-END -DFILE=%t6
# RUN: llvm-readelf -V %t6 2>&1 | FileCheck %s --check-prefix=AUX-PAST-END -DFILE=%t6
# AUX-PAST-END: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: version definition 1 refers to an auxiliary entry that goes past the end of the section
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Link: .dynstr
Info: 0x1
Entries:
- Version: 0
Flags: 0
VersionNdx: 0
Hash: 0
Names:
- FOO
ShSize: 21
DynamicSymbols:
- Name: foo
## Check that we can dump a SHT_GNU_verdef section properly even if it contains version names strings
## that overrun the linked string table.
# RUN: yaml2obj %s --docnum=7 -o %t7
# RUN: llvm-readobj -V %t7 2>&1 | FileCheck %s --check-prefix=PAST-STRTAB-END-LLVM --implicit-check-not="warning:" -DFILE=%t7
# RUN: llvm-readelf -V %t7 2>&1 | FileCheck %s --check-prefix=PAST-STRTAB-END-GNU --implicit-check-not="warning:" -DFILE=%t7
# PAST-STRTAB-END-LLVM: VersionDefinitions [
# PAST-STRTAB-END-LLVM-NEXT: Definition {
# PAST-STRTAB-END-LLVM-NEXT: Version: 0
# PAST-STRTAB-END-LLVM-NEXT: Flags [ (0x0)
# PAST-STRTAB-END-LLVM-NEXT: ]
# PAST-STRTAB-END-LLVM-NEXT: Index: 0
# PAST-STRTAB-END-LLVM-NEXT: Hash: 0
# PAST-STRTAB-END-LLVM-NEXT: Name: <invalid vda_name: 5>
# PAST-STRTAB-END-LLVM-NEXT: Predecessors: []
# PAST-STRTAB-END-LLVM-NEXT: }
# PAST-STRTAB-END-LLVM-NEXT: ]
# PAST-STRTAB-END-GNU: Version definition section '.gnu.version_d' contains 1 entries:
# PAST-STRTAB-END-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 2 (.strtab)
# PAST-STRTAB-END-GNU-NEXT: 0x0000: Rev: 0 Flags: none Index: 0 Cnt: 1 Name: <invalid vda_name: 5>
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Link: .strtab
Info: 0x1
Entries:
- Version: 0
Flags: 0
VersionNdx: 0
Hash: 0
Names:
- FOO
- Name: .strtab
Type: SHT_STRTAB
DynamicSymbols:
- Name: BAR
## Check we report a warning when a version definition is not correctly aligned in memory.
# RUN: yaml2obj %s --docnum=8 -o %t8
# RUN: llvm-readobj -V %t8 2>&1 | FileCheck %s --check-prefix=MISALIGNED-DEF -DFILE=%t8
# RUN: llvm-readelf -V %t8 2>&1 | FileCheck %s --check-prefix=MISALIGNED-DEF -DFILE=%t8
# MISALIGNED-DEF: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: found a misaligned version definition entry at offset 0x0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Type: Fill
Size: 0x1
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Link: .dynstr
Info: 0x1
Entries:
- Version: 0
Flags: 0
VersionNdx: 0
Hash: 0
Names:
- FOO
DynamicSymbols:
- Name: foo
## Check we report a warning when an auxiliary entry is not correctly aligned in memory.
# RUN: yaml2obj %s --docnum=9 -o %t9
# RUN: llvm-readobj -V %t9 2>&1 | FileCheck %s --check-prefix=MISALIGNED-AUX -DFILE=%t9
# RUN: llvm-readelf -V %t9 2>&1 | FileCheck %s --check-prefix=MISALIGNED-AUX -DFILE=%t9
# MISALIGNED-AUX: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: found a misaligned auxiliary entry at offset 0x13
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Flags: [ SHF_ALLOC ]
Link: .dynstr
Info: 0x1
## The byte offset to the auxiliary entry is 0x13, i.e. it is not correctly aligned in memory.
Content: "0000000000000100000000001300000000000000"
DynamicSymbols:
- Name: foo
Binding: STB_GLOBAL
|
