## For implicit dynamic symbol table sections, `Size` and/or `Content`
## fields can also be specified in YAML. Here we test the behavior in
## different cases.
## When no `Size` or `Content` is specified for a dynamic symbol table section,
## yaml2obj writes the default content.
# RUN: yaml2obj --docnum=1 %s -o %t1
# RUN: llvm-readelf %t1 --dyn-symbols | FileCheck %s --check-prefix=CASE1
# CASE1: Symbol table '.dynsym' contains 2 entries:
# CASE1-NEXT: Num: Value Size Type Bind Vis Ndx Name
# CASE1-NEXT: 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
# CASE1-NEXT: 1: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND foo
# CASE1-EMPTY:
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .dynsym
Type: SHT_DYNSYM
DynamicSymbols:
- Name: foo
Binding: STB_GLOBAL
## Specifying both `Size` and symbols at the same time is not allowed for .dynsym.
# RUN: not yaml2obj --docnum=2 %s 2>&1 | FileCheck %s --implicit-check-not=error --check-prefix=CASE2
# RUN: not yaml2obj --docnum=3 %s 2>&1 | FileCheck %s --implicit-check-not=error --check-prefix=CASE2
# CASE2: yaml2obj: error: cannot specify both `Size` and `DynamicSymbols` for symbol table section '.dynsym'
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .dynsym
Type: SHT_DYNSYM
Size: 0x100
- Name: .dynsym2
Type: SHT_DYNSYM
Size: 0x100
DynamicSymbols:
- Name: foo
Binding: STB_GLOBAL
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .dynsym
Type: SHT_DYNSYM
Size: 0x100
- Name: .dynsym2
Type: SHT_DYNSYM
Size: 0x100
DynamicSymbols: []
## Specifying both `Content` and symbols at the same time is not allowed for .dynsym.
# RUN: not yaml2obj --docnum=4 %s 2>&1 | FileCheck %s --implicit-check-not=error --check-prefix=CASE3
# RUN: not yaml2obj --docnum=5 %s 2>&1 | FileCheck %s --implicit-check-not=error --check-prefix=CASE3
# CASE3: yaml2obj: error: cannot specify both `Content` and `DynamicSymbols` for symbol table section '.dynsym'
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .dynsym
Type: SHT_DYNSYM
Content: "00"
- Name: .dynsym2
Type: SHT_DYNSYM
Content: "00"
DynamicSymbols:
- Name: foo
Binding: STB_GLOBAL
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .dynsym
Type: SHT_DYNSYM
Content: "00"
- Name: .dynsym2
Type: SHT_DYNSYM
Content: "00"
DynamicSymbols: []
## Check we can use just `Content` to emit custom data in the symbol table section.
# RUN: yaml2obj --docnum=6 %s -o %t4
# RUN: llvm-readobj --section-data -S %t4 | FileCheck %s --check-prefix=CASE4
# CASE4: Name: .dynsym
# CASE4-NEXT: Type: SHT_DYNSYM
# CASE4-NEXT: Flags [
# CASE4-NEXT: SHF_ALLOC
# CASE4-NEXT: ]
# CASE4-NEXT: Address: 0x0
# CASE4-NEXT: Offset: 0x40
# CASE4-NEXT: Size: 2
# CASE4-NEXT: Link: 0
# CASE4-NEXT: Info: 1
# CASE4-NEXT: AddressAlignment: 0
# CASE4-NEXT: EntrySize: 24
# CASE4-NEXT: SectionData (
# CASE4-NEXT: 0000: 0123
# CASE4-NEXT: )
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .dynsym
Type: SHT_DYNSYM
Content: "0123"
## Check we can use just `Size` to emit custom data filled with zeroes
## in the symbol table section.
# RUN: yaml2obj --docnum=7 %s -o %t5
# RUN: llvm-readobj --section-data -S %t5 | FileCheck %s --check-prefix=CASE5
# CASE5: Name: .dynsym
# CASE5-NEXT: Type: SHT_DYNSYM
# CASE5-NEXT: Flags [
# CASE5-NEXT: SHF_ALLOC
# CASE5-NEXT: ]
# CASE5-NEXT: Address: 0x0
# CASE5-NEXT: Offset: 0x40
# CASE5-NEXT: Size: 5
# CASE5-NEXT: Link: 0
# CASE5-NEXT: Info: 1
# CASE5-NEXT: AddressAlignment: 0
# CASE5-NEXT: EntrySize: 24
# CASE5-NEXT: SectionData (
# CASE5-NEXT: 0000: 00000000 00
# CASE5-NEXT: )
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .dynsym
Type: SHT_DYNSYM
Size: 5
## Check we can specify both `Size` and `Content` when size is greater
## than content size. In this case zeroes are added as padding
## after after the specified content.
# RUN: yaml2obj --docnum=8 %s -o %t6
# RUN: llvm-readobj %t6 --section-data -S | FileCheck %s --check-prefix=CASE6
# CASE6: Name: .dynsym
# CASE6-NEXT: Type: SHT_DYNSYM
# CASE6-NEXT: Flags [
# CASE6-NEXT: SHF_ALLOC
# CASE6-NEXT: ]
# CASE6-NEXT: Address: 0x0
# CASE6-NEXT: Offset: 0x40
# CASE6-NEXT: Size: 4
# CASE6-NEXT: Link: 0
# CASE6-NEXT: Info: 1
# CASE6-NEXT: AddressAlignment: 0
# CASE6-NEXT: EntrySize: 24
# CASE6-NEXT: SectionData (
# CASE6-NEXT: 0000: 01230000
# CASE6-NEXT: )
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .dynsym
Type: SHT_DYNSYM
Content: "0123"
Size: 4
## Check we can specify both `Size` and `Content` when size is
## equal to content size.
# RUN: yaml2obj --docnum=9 %s -o %t7
# RUN: llvm-readobj --section-data -S %t7 | FileCheck %s --check-prefix=CASE7
# CASE7: Name: .dynsym
# CASE7-NEXT: Type: SHT_DYNSYM
# CASE7-NEXT: Flags [
# CASE7-NEXT: SHF_ALLOC
# CASE7-NEXT: ]
# CASE7-NEXT: Address: 0x0
# CASE7-NEXT: Offset: 0x40
# CASE7-NEXT: Size: 2
# CASE7-NEXT: Link: 0
# CASE7-NEXT: Info: 1
# CASE7-NEXT: AddressAlignment: 0
# CASE7-NEXT: EntrySize: 24
# CASE7-NEXT: SectionData (
# CASE7-NEXT: 0000: 0123
# CASE7-NEXT: )
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .dynsym
Type: SHT_DYNSYM
Content: "0123"
Size: 2
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