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TheRock/compiler/amd-llvm/llvm/test/tools/yaml2obj/ELF/section-link.yaml
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

99 lines
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YAML

# RUN: yaml2obj --docnum=1 %s -o %t1
# RUN: llvm-readobj --sections %t1 | FileCheck %s
# CHECK: Name: .text
# CHECK-NEXT: Type: SHT_PROGBITS
# CHECK-NEXT: Flags [
# CHECK-NEXT: SHF_ALLOC
# CHECK-NEXT: SHF_EXECINSTR
# CHECK-NEXT: ]
# CHECK-NEXT: Address:
# CHECK-NEXT: Offset:
# CHECK-NEXT: Size:
# CHECK-NEXT: Link: 12345
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Sections:
- Name: .text
Type: SHT_PROGBITS
Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
Link: 12345
## Check we report an error when an unknown section is referenced via a Link field.
# RUN: not yaml2obj --docnum=2 %s 2>&1 | FileCheck %s --check-prefix=ERR
# ERR: error: unknown section referenced: '.unknown1' by YAML section '.foo'
# ERR-NEXT: error: unknown section referenced: '.unknown2' by YAML section '(index 2)'
# ERR-NEXT: error: unknown section referenced: '.unknown3' by YAML section '.bar'
# ERR-NEXT: error: unknown section referenced: '.unknown4' by YAML section '(index 4)'
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Sections:
- Name: .foo
Type: SHT_PROGBITS
Link: .unknown1
- Type: SHT_PROGBITS
Link: .unknown2
- Name: .bar
Type: SHT_PROGBITS
Link: .unknown3
- Type: SHT_PROGBITS
Link: .unknown4
## Check we link SHT_GROUP to a symbol table by default if it exists.
## Also, check we can set an arbitrary value for sh_link.
# RUN: yaml2obj --docnum=3 %s -o %t3
# RUN: llvm-readobj --sections %t3 | FileCheck %s --check-prefix=GROUP-LINK
# GROUP-LINK: Name: .group1
# GROUP-LINK: Link:
# GROUP-LINK-SAME: 3
# GROUP-LINK: Name: .group2
# GROUP-LINK: Link:
# GROUP-LINK-SAME: 255
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Sections:
- Name: .group1
Type: SHT_GROUP
Members:
- Name: .group2
Type: SHT_GROUP
Link: 0xFF
Members:
Symbols: []
## Check we set SHT_GROUP's link value to 0 when there is no symbol table.
# RUN: yaml2obj --docnum=4 %s -o %t4
# RUN: llvm-readobj --sections %t4 | FileCheck %s --check-prefix=GROUP-LINK-NOSYMTAB
# GROUP-LINK-NOSYMTAB: Name: .group
# GROUP-LINK-NOSYMTAB: Link:
# GROUP-LINK-NOSYMTAB-SAME: 0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Sections:
- Name: .group
Type: SHT_GROUP
Members: