## Test how we create SHT_GNU_verdef sections.
## Check that we link the SHT_GNU_verdef section to
## the `.dynstr` section by default.
## Check that we set the value of `sh_info` field to the
## number of version definitions by default.
# RUN: yaml2obj --docnum=1 %s -o %t1
# RUN: llvm-readobj -V %t1 | FileCheck %s
# RUN: llvm-readelf --sections %t1 | \
# RUN: FileCheck %s -DLINK=3 -DINFO=4 --check-prefix=FIELDS
# FIELDS: [Nr] Name Type {{.*}} Flg Lk Inf
# FIELDS: [ 1] .gnu.version_d VERDEF {{.*}} A [[LINK]] [[INFO]]
# FIELDS: [ 3] .dynstr
# CHECK: VersionDefinitions [
# CHECK-NEXT: Definition {
# CHECK-NEXT: Version: 1
# CHECK-NEXT: Flags [ (0x0)
# CHECK-NEXT: ]
# CHECK-NEXT: Index: 0
# CHECK-NEXT: Hash: 0
# CHECK-NEXT: Name:
# CHECK-NEXT: Predecessors: []
# CHECK-NEXT: }
# CHECK-NEXT: Definition {
# CHECK-NEXT: Version: 1
# CHECK-NEXT: Flags [ (0x1)
# CHECK-NEXT: Base (0x1)
# CHECK-NEXT: ]
# CHECK-NEXT: Index: 1
# CHECK-NEXT: Hash: 170240160
# CHECK-NEXT: Name: dso.so.0
# CHECK-NEXT: Predecessors: []
# CHECK-NEXT: }
# CHECK-NEXT: Definition {
# CHECK-NEXT: Version: 1
# CHECK-NEXT: Flags [ (0x2)
# CHECK-NEXT: Weak (0x2)
# CHECK-NEXT: ]
# CHECK-NEXT: Index: 2
# CHECK-NEXT: Hash: 108387921
# CHECK-NEXT: Name: VERSION_1
# CHECK-NEXT: Predecessors: []
# CHECK-NEXT: }
# CHECK-NEXT: Definition {
# CHECK-NEXT: Version: 1
# CHECK-NEXT: Flags [ (0xFFFF)
# CHECK-NEXT: Base (0x1)
# CHECK-NEXT: Info (0x4)
# CHECK-NEXT: Weak (0x2)
# CHECK-NEXT: ]
# CHECK-NEXT: Index: 3
# CHECK-NEXT: Hash: 108387922
# CHECK-NEXT: Name: VERSION_2
# CHECK-NEXT: Predecessors: [VERSION_3, VERSION_4]
# CHECK-NEXT: }
# CHECK-NEXT: ]
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Flags: [ SHF_ALLOC ]
Info: [[INFO=<none>]]
Link: [[LINK=<none>]]
Entries:
## Case 1: an entry that has no Version, Flags, VersionNdx or Hash fields set.
## Used to check values that are written by default. Also shows
## that we are able to use the "=<none>" syntax for these fields.
- Version: [[VERSION=<none>]]
Flags: [[FLAGS=<none>]]
VersionNdx: [[VERNDX=<none>]]
Hash: [[HASH=<none>]]
Names: []
## Case 2: an arbitrary entry.
- Flags: 1
VersionNdx: 1
Hash: 170240160
Names:
- dso.so.0
## Case 3: one more arbitrary entry with different values.
- Flags: 2
VersionNdx: 2
Hash: 108387921
Names:
- VERSION_1
## Case 4: an entry that has version predecessors. Also, it sets
## all known flags as well as few unknown.
- Flags: 0xffff
VersionNdx: 3
Hash: 108387922
Names:
- VERSION_2
- VERSION_3
- VERSION_4
DynamicSymbols:
- Name: foo
Binding: STB_GLOBAL
## Check that we are able to set sh_info and sh_link fields to arbitrary values.
# RUN: yaml2obj --docnum=1 -DINFO=123 -DLINK=234 %s -o %t1.fields
# RUN: llvm-readelf --sections %t1.fields | \
# RUN: FileCheck %s -DINFO=123 -DLINK=234 --check-prefix=FIELDS
## Check we are able to emit a version definition which has a version revision
## (vd_version) field value that is not equal to 1.
# RUN: yaml2obj --docnum=1 -DVERSION=2 %s -o %t.version
# RUN: llvm-readobj -V %t.version 2>&1 | FileCheck %s --check-prefix=VERSION-ERR
# VERSION-ERR: unable to dump SHT_GNU_verdef section with index 1: version 2 is not yet supported
## Check we can use "Content" to describe the content.
## Check we set the sh_link field to 0 when there is no .dynstr section.
# RUN: yaml2obj --docnum=2 %s -o %t2
# RUN: llvm-readobj --sections --section-data %t2 | FileCheck %s --check-prefix=CONTENT
# CONTENT: Name: .gnu.version_d
# CONTENT-NEXT: Type: SHT_GNU_verdef
# CONTENT-NEXT: Flags [ (0x2)
# CONTENT-NEXT: SHF_ALLOC (0x2)
# CONTENT-NEXT: ]
# CONTENT-NEXT: Address: 0x0
# CONTENT-NEXT: Offset: 0x40
# CONTENT-NEXT: Size: 3
# CONTENT-NEXT: Link: 0
# CONTENT-NEXT: Info: 0
# CONTENT-NEXT: AddressAlignment:
# CONTENT-NEXT: EntrySize:
# CONTENT-NEXT: SectionData (
# CONTENT-NEXT: 0000: 112233
# CONTENT-NEXT: )
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Flags: [ SHF_ALLOC ]
Content: "112233"
## Check we can omit "Content" and "Entries" fields to produce an empty SHT_GNU_verdef section.
# RUN: yaml2obj --docnum=3 %s -o %t3
# RUN: llvm-readelf --sections %t3 | FileCheck %s --check-prefix=NO-PROPS
# NO-PROPS: [Nr] Name Type Address Off Size ES Flg Lk Inf Al
# NO-PROPS: [ 1] .gnu.version_d VERDEF 0000000000000000 000040 000000 00 A 0 0 0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Flags: [ SHF_ALLOC ]
## Check we can use the "Content" key with the "Size" key when the size is greater
## than or equal to the content size.
# RUN: not yaml2obj --docnum=4 -DSIZE=1 -DCONTENT="'0011'" %s 2>&1 | \
# RUN: FileCheck %s --check-prefix=CONTENT-SIZE-ERR
# CONTENT-SIZE-ERR: error: Section size must be greater than or equal to the content size
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Size: [[SIZE=<none>]]
Content: [[CONTENT=<none>]]
Entries: [[ENTRIES=<none>]]
# RUN: yaml2obj --docnum=4 -DSIZE=2 -DCONTENT="'0011'" %s -o %t.cont.size.eq.o
# RUN: llvm-readobj --sections --section-data %t.cont.size.eq.o | \
# RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="0011"
# RUN: yaml2obj --docnum=4 -DSIZE=3 -DCONTENT="'0011'" %s -o %t.cont.size.gr.o
# RUN: llvm-readobj --sections --section-data %t.cont.size.gr.o | \
# RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="001100"
# CHECK-CONTENT: Name: .gnu.version_d
# CHECK-CONTENT: SectionData (
# CHECK-CONTENT-NEXT: 0000: [[DATA]] |
# CHECK-CONTENT-NEXT: )
## Check we can use the "Size" key alone to create the section.
# RUN: yaml2obj --docnum=4 -DSIZE=3 %s -o %t.size.o
# RUN: llvm-readobj --sections --section-data %t.size.o | \
# RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="000000"
## Check we can use the "Content" key alone to create the section.
# RUN: yaml2obj --docnum=4 -DCONTENT="'112233'" %s -o %t.content.o
# RUN: llvm-readobj --sections --section-data %t.content.o | \
# RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="112233"
## Check we can't use the "Entries" key together with the "Content" or "Size" keys.
# RUN: not yaml2obj --docnum=4 -DSIZE=0 -DENTRIES="[]" %s 2>&1 | \
# RUN: FileCheck %s --check-prefix=ENTRIES-ERR
# RUN: not yaml2obj --docnum=4 -DCONTENT="'00'" -DENTRIES="[]" %s 2>&1 | \
# RUN: FileCheck %s --check-prefix=ENTRIES-ERR
# ENTRIES-ERR: error: "Entries" cannot be used with "Content" or "Size"
## Check we set the sh_link field to 0 when the .dynstr section is excluded
## from the section header table.
# RUN: yaml2obj --docnum=5 %s -o %t5
# RUN: llvm-readelf --sections %t5 | FileCheck %s --check-prefix=EXCLUDED
# EXCLUDED: [Nr] Name {{.*}} ES Flg Lk Inf
# EXCLUDED: [ 1] .gnu.version_d {{.*}} 00 0 0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.version_d
Type: SHT_GNU_verdef
- Name: .dynstr
Type: SHT_STRTAB
- Type: SectionHeaderTable
Sections:
- Name: .gnu.version_d
- Name: .strtab
- Name: .shstrtab
Excluded:
- Name: .dynstr
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