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|
## Check we are able to produce a valid SHT_GNU_versym
## section from its description.
# RUN: yaml2obj --docnum=1 %s -o %t1
# RUN: llvm-readobj -V %t1 | FileCheck %s
# CHECK: VersionSymbols [
# CHECK-NEXT: Symbol {
# CHECK-NEXT: Version: 0
# CHECK-NEXT: Name:
# CHECK-NEXT: }
# CHECK-NEXT: Symbol {
# CHECK-NEXT: Version: 3
# CHECK-NEXT: Name: f1@v1
# CHECK-NEXT: }
# CHECK-NEXT: Symbol {
# CHECK-NEXT: Version: 4
# CHECK-NEXT: Name: f2@v2
# CHECK-NEXT: }
# CHECK-NEXT: ]
# CHECK-NEXT: VersionDefinitions [
# CHECK-NEXT: ]
# CHECK-NEXT: VersionRequirements [
# CHECK-NEXT: Dependency {
# CHECK-NEXT: Version: 1
# CHECK-NEXT: Count: 2
# CHECK-NEXT: FileName: dso.so.0
# CHECK-NEXT: Entries [
# CHECK-NEXT: Entry {
# CHECK-NEXT: Hash: 1937
# CHECK-NEXT: Flags [ (0x0)
# CHECK-NEXT: ]
# CHECK-NEXT: Index: 3
# CHECK-NEXT: Name: v1
# CHECK-NEXT: }
# CHECK-NEXT: Entry {
# CHECK-NEXT: Hash: 1938
# CHECK-NEXT: Flags [ (0x0)
# CHECK-NEXT: ]
# CHECK-NEXT: Index: 4
# CHECK-NEXT: Name: v2
# CHECK-NEXT: }
# CHECK-NEXT: ]
# CHECK-NEXT: }
# CHECK-NEXT: ]
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Entry: 0x0000000000201000
Sections:
- Name: .gnu.version
Type: SHT_GNU_versym
Flags: [ SHF_ALLOC ]
Address: 0x0000000000200210
AddressAlign: 0x0000000000000002
EntSize: 0x0000000000000002
Entries: [ 0, 3, 4 ]
- Name: .gnu.version_r
Type: SHT_GNU_verneed
Flags: [ SHF_ALLOC ]
Address: 0x0000000000200250
AddressAlign: 0x0000000000000004
Dependencies:
- Version: 1
File: dso.so.0
Entries:
- Name: v1
Hash: 1937
Flags: 0
Other: 3
- Name: v2
Hash: 1938
Flags: 0
Other: 4
DynamicSymbols:
- Name: f1
Binding: STB_GLOBAL
- Name: f2
Binding: STB_GLOBAL
...
## Check we are able to set custom sh_entsize field for SHT_GNU_versym section.
## Check we link the SHT_GNU_versym section to the .dynsym section by default.
# RUN: yaml2obj --docnum=2 %s -o %t2
# RUN: llvm-readelf -S %t2 | FileCheck %s -DLINK=2 --check-prefix=FIELDS
# FIELDS: Section Headers:
# FIELDS: [Nr] Name Type Address Off Size ES Flg Lk
# FIELDS: [ 1] .gnu.version VERSYM 0000000000000000 000040 000000 03 [[LINK]]
# FIELDS: [ 2] .dynsym DYNSYM 0000000000000000 000040 000018 18 A 3
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
OSABI: ELFOSABI_FREEBSD
Type: ET_DYN
Sections:
- Name: .gnu.version
Type: SHT_GNU_versym
EntSize: 0x0000000000000003
Entries: [ ]
Link: [[LINK=<none>]]
## Needed to emit the .dynsym section.
DynamicSymbols: []
## Check we are able to set the sh_link field to an arbitrary value.
# RUN: yaml2obj --docnum=2 -DLINK=0xff %s -o %t2.link
# RUN: llvm-readelf -S %t2.link | FileCheck %s -DLINK=255 --check-prefix=FIELDS
## Check we can use the "Content" key with the "Size" key when the size is greater
## than or equal to the content size.
## Also, check that we set the sh_link field to 0 when there is no .dynsym section.
# RUN: not yaml2obj --docnum=3 -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
Type: SHT_GNU_versym
Size: [[SIZE=<none>]]
Content: [[CONTENT=<none>]]
Entries: [[ENTRIES=<none>]]
# RUN: yaml2obj --docnum=3 -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=3 -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
# CHECK-CONTENT-NEXT: Type: SHT_GNU_versym (0x6FFFFFFF)
# CHECK-CONTENT-NEXT: Flags [ (0x0)
# CHECK-CONTENT-NEXT: ]
# CHECK-CONTENT-NEXT: Address:
# CHECK-CONTENT-NEXT: Offset:
# CHECK-CONTENT-NEXT: Size:
# CHECK-CONTENT-NEXT: Link: 0
# 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=3 -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=3 -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=3 -DSIZE=0 -DENTRIES="[]" %s 2>&1 | \
# RUN: FileCheck %s --check-prefix=ENTRIES-ERR
# RUN: not yaml2obj --docnum=3 -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 .dynsym section is excluded
## from the section header table.
# RUN: yaml2obj --docnum=4 %s -o %t4
# RUN: llvm-readelf --sections %t4 | FileCheck %s --check-prefix=EXCLUDED
# EXCLUDED: [Nr] Name {{.*}} ES Flg Lk Inf
# EXCLUDED: [ 1] .gnu.version {{.*}} 02 0 0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.version
Type: SHT_GNU_versym
- Name: .dynsym
Type: SHT_DYNSYM
- Type: SectionHeaderTable
Sections:
- Name: .gnu.version
- Name: .strtab
- Name: .shstrtab
Excluded:
- Name: .dynsym
|
