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## Check we print symbol versions, when they are available.
## Test undefined symbols.
# RUN: yaml2obj %s -o %t-undef.o
# RUN: llvm-objdump -T %t-undef.o 2>&1 | tr '\t' '|' | FileCheck %s \
# RUN: -DFILE=%t-undef.o --check-prefix=UNDEF --match-full-lines --strict-whitespace
## version2sym and version3sym are invalid: undefined symbols cannot refer to .gnu.version_d.
## We still check their behaviors.
# UNDEF:DYNAMIC SYMBOL TABLE:
# UNDEF-NEXT:0000000000000000 D *UND*|0000000000000000 localversym
# UNDEF-NEXT:0000000000000000 D *UND*|0000000000000000 globalversym
# UNDEF-NEXT:0000000000000000 D *UND*|0000000000000000 (v2) version2sym
# UNDEF-NEXT:0000000000000000 D *UND*|0000000000000000 (v3hidden) version3sym
# UNDEF-NEXT:0000000000000000 D *UND*|0000000000000000 (v4) version4sym
# UNDEF-NEXT:0000000000000000 D *UND*|0000000000000000 (v5hidden) .hidden version5sym
## Test defined symbols.
# RUN: yaml2obj -DINDEX=0x1 %s -o %t-def.o
# RUN: llvm-objdump -T %t-def.o 2>&1 | tr '\t' '|' | FileCheck %s \
# RUN: -DFILE=%t-def.o --check-prefix=DEF --match-full-lines --strict-whitespace
# DEF:DYNAMIC SYMBOL TABLE:
# DEF-NEXT:0000000000000000 g D .gnu.version|0000000000000000 localversym
# DEF-NEXT:0000000000000000 g D .gnu.version|0000000000000000 globalversym
# DEF-NEXT:0000000000000000 g D .gnu.version|0000000000000000 v2 version2sym
# DEF-NEXT:0000000000000000 g D .gnu.version|0000000000000000 (v3hidden) version3sym
# DEF-NEXT:0000000000000000 g D .gnu.version|0000000000000000 (v4) version4sym
# DEF-NEXT:0000000000000000 g D .gnu.version|0000000000000000 (v5hidden) .hidden version5sym
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.version
Type: SHT_GNU_versym
Flags: [ SHF_ALLOC ]
## 0x8000 is a special VERSYM_HIDDEN bit.
Entries: [ 0, 0, 1, 2, 0x8003, 4, 0x8005 ]
ShSize: [[VERSYMSIZE=<none>]]
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Flags: [ SHF_ALLOC ]
Link: .dynstr
AddressAlign: 0x4
Info: 0x2
ShOffset: [[VERDEFOFFSET=<none>]]
Entries:
- VersionNdx: 2
Names:
- v2
- VersionNdx: 3
Names:
- v3hidden
- Name: .gnu.version_r
Type: SHT_GNU_verneed
Flags: [ SHF_ALLOC ]
Link: .dynstr
Info: 0x2
Dependencies:
- Version: 1
File: file1.so
Entries:
- Name: v4
Hash: 0
Flags: 0
Other: 4
- Version: 1
File: file2.0
Entries:
- Name: v5hidden
Hash: 0
Flags: 0
Other: 5
- Name: .dynsym
Type: SHT_DYNSYM
EntSize: [[ENTSIZE=<none>]]
DynamicSymbols:
- Name: localversym
Index: [[INDEX=<none>]]
Binding: STB_GLOBAL
- Name: globalversym
Index: [[INDEX=<none>]]
Binding: STB_GLOBAL
- Name: version2sym
Index: [[INDEX=<none>]]
Binding: STB_GLOBAL
- Name: version3sym
Index: [[INDEX=<none>]]
Binding: STB_GLOBAL
- Name: version4sym
Index: [[INDEX=<none>]]
Binding: STB_GLOBAL
- Name: version5sym
Index: [[INDEX=<none>]]
Other: [ STV_HIDDEN ]
Binding: STB_GLOBAL
## Test the output with a long version name.
# RUN: yaml2obj --docnum=2 %s -o %t2
# RUN: llvm-objdump -T %t2 2>&1 | tr '\t' '|' | FileCheck %s \
# RUN: --check-prefix=LONGNAME --match-full-lines --strict-whitespace
# LONGNAME:DYNAMIC SYMBOL TABLE:
# LONGNAME-NEXT:0000000000000000 g D .gnu.version|0000000000000000 v2 sym1
# LONGNAME-NEXT:0000000000000000 g D .gnu.version|0000000000000000 v3withverylongname sym2
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.version
Type: SHT_GNU_versym
Flags: [ SHF_ALLOC ]
Entries: [ 1, 2, 3 ]
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Flags: [ SHF_ALLOC ]
Link: .dynstr
AddressAlign: 0x4
Info: 0x2
Entries:
- VersionNdx: 2
Names:
- v2
- VersionNdx: 3
Names:
- v3withverylongname
- Name: .dynsym
Type: SHT_DYNSYM
DynamicSymbols:
- Name: sym1
Index: 1
Binding: STB_GLOBAL
- Name: sym2
Index: 1
Binding: STB_GLOBAL
## Check we report a warning when we are unable to read a SHT_GNU_versym section entry.
## In this case, the section has a size that is not a multiple of its sh_entsize.
# RUN: yaml2obj -DVERSYMSIZE=0xff %s -o %t2-broken-versym.o
# RUN: llvm-objdump -T %t2-broken-versym.o 2>&1 | FileCheck %s --check-prefixes=VERSION-ERR1,NOVER
# VERSION-ERR1:warning: {{.*}}: unable to read an entry with index 1 from SHT_GNU_versym section
# NOVER-NEXT:0000000000000000 D *UND* 0000000000000000 localversym
# NOVER-NEXT:0000000000000000 D *UND* 0000000000000000 globalversym
# NOVER-NEXT:0000000000000000 D *UND* 0000000000000000 version2sym
# NOVER-NEXT:0000000000000000 D *UND* 0000000000000000 version3sym
# NOVER-NEXT:0000000000000000 D *UND* 0000000000000000 version4sym
# NOVER-NEXT:0000000000000000 D *UND* 0000000000000000 .hidden version5sym
|
