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Diffstat (limited to 'llvm/test/tools/yaml2obj/ELF/section-size-content.yaml')
| -rw-r--r-- | llvm/test/tools/yaml2obj/ELF/section-size-content.yaml | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/llvm/test/tools/yaml2obj/ELF/section-size-content.yaml b/llvm/test/tools/yaml2obj/ELF/section-size-content.yaml new file mode 100644 index 00000000000..16b4b37dd42 --- /dev/null +++ b/llvm/test/tools/yaml2obj/ELF/section-size-content.yaml @@ -0,0 +1,178 @@ +## For regular sections, it is common to specify `Size` and/or `Content` fields in YAML. +## Here we test the behavior in different cases. + +## In this case, we have both `Content` and `Size` fields specified and `Size` +## is less than content size. Check we report an error. + +# RUN: not yaml2obj --docnum=1 %s -o %t1 2>&1 | FileCheck %s --check-prefix=ERR +# ERR: error: Section size must be greater than or equal to the content size + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .foo + Type: SHT_PROGBITS + Content: "FF" + Size: 0 + +## In this case, we have both `Content` and `Size` fields specified and +## `Size` is equal to the content size. We check that this is allowed and +## that the output section has a correct size value. + +# RUN: yaml2obj --docnum=2 %s -o %t2 +# RUN: llvm-readobj --section-data -S %t2 | FileCheck %s --check-prefix=CASE2 + +# CASE2: Name: .foo +# CASE2-NEXT: Type: SHT_PROGBITS +# CASE2-NEXT: Flags [ +# CASE2-NEXT: ] +# CASE2-NEXT: Address: 0x0 +# CASE2-NEXT: Offset: 0x40 +# CASE2-NEXT: Size: 1 +# CASE2-NEXT: Link: 0 +# CASE2-NEXT: Info: 0 +# CASE2-NEXT: AddressAlignment: 0 +# CASE2-NEXT: EntrySize: 0 +# CASE2-NEXT: SectionData ( +# CASE2-NEXT: 0000: FF +# CASE2-NEXT: ) + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .foo + Type: SHT_PROGBITS + Content: "FF" + Size: 1 + +## Check we can specify only `Content`. + +# RUN: yaml2obj --docnum=3 %s -o %t3 +# RUN: llvm-readobj --section-data -S %t3 | FileCheck %s --check-prefix=CASE2 + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .foo + Type: SHT_PROGBITS + Content: "FF" + +## Check we can specify only `Size`. + +# RUN: yaml2obj --docnum=4 %s -o %t4 +# RUN: llvm-readobj --section-data -S %t4 | FileCheck %s --check-prefix=CASE3 + +# CASE3: Name: .foo +# CASE3-NEXT: Type: SHT_PROGBITS +# CASE3-NEXT: Flags [ +# CASE3-NEXT: ] +# CASE3-NEXT: Address: 0x0 +# CASE3-NEXT: Offset: 0x40 +# CASE3-NEXT: Size: 1 +# CASE3-NEXT: Link: 0 +# CASE3-NEXT: Info: 0 +# CASE3-NEXT: AddressAlignment: 0 +# CASE3-NEXT: EntrySize: 0 +# CASE3-NEXT: SectionData ( +# CASE3-NEXT: 0000: 00 +# CASE3-NEXT: ) + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .foo + Type: SHT_PROGBITS + Size: 1 + +## Check we can specify both `Size` and `Content` when size is greater +## than content size. In this case zeroes are added as padding +## after the specified content. + +# RUN: yaml2obj --docnum=5 %s -o %t5 +# RUN: llvm-readobj --section-data -S %t5 | FileCheck %s --check-prefix=CASE4 + +# CASE4: Name: .foo +# CASE4-NEXT: Type: SHT_PROGBITS +# CASE4-NEXT: Flags [ +# CASE4-NEXT: ] +# CASE4-NEXT: Address: 0x0 +# CASE4-NEXT: Offset: 0x40 +# CASE4-NEXT: Size: 3 +# CASE4-NEXT: Link: 0 +# CASE4-NEXT: Info: 0 +# CASE4-NEXT: AddressAlignment: 0 +# CASE4-NEXT: EntrySize: 0 +# CASE4-NEXT: SectionData ( +# CASE4-NEXT: 0000: FF0000 +# CASE4-NEXT: ) + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .foo + Type: SHT_PROGBITS + Content: "FF" + Size: 3 + +## Check we emit an empty section if neither 'Content' nor 'Size' were set. + +# RUN: yaml2obj --docnum=6 %s -o %t6 +# RUN: llvm-readobj %t6 --sections | FileCheck %s --check-prefix=CASE5 + +# CASE5: Name: .foo +# CASE5-NEXT: Type: SHT_PROGBITS +# CASE5-NEXT: Flags [ +# CASE5-NEXT: ] +# CASE5-NEXT: Address: 0x0 +# CASE5-NEXT: Offset: 0x40 +# CASE5-NEXT: Size: 0 + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .foo + Type: SHT_PROGBITS + +# RUN: not yaml2obj --docnum=7 %s 2>&1 | FileCheck %s --check-prefix=ERR2 + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_REL + Machine: EM_X86_64 +Sections: + - Name: .data + Type: SHT_PROGBITS + Flags: [ SHF_ALLOC ] + Content: 0000000000000000 + Size: 2 + +# ERR2: error: Section size must be greater than or equal to the content size +# ERR2-NEXT: - Name: .data +# ERR2-NEXT: ^ +# ERR2-NEXT: error: failed to parse YAML input |
