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[obj2yaml] - Teach tool to dump SHT_NULL sections.
Recently an advanced support of SHT_NULL sections was implemented in yaml2obj. This patch adds a corresponding support to obj2yaml. Differential revision: https://reviews.llvm.org/D65215 llvm-svn: 367852
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George Rimar
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Aug 5, 2019
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## Check we are able to dump the SHT_NULL section at | ||
## index 0 when it has custom section fields. | ||
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# RUN: yaml2obj --docnum=1 %s -o %t1 | ||
# RUN: obj2yaml %t1 | FileCheck %s --check-prefix=FIRST-SEC | ||
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# FIRST-SEC: --- !ELF | ||
# FIRST-SEC-NEXT: FileHeader: | ||
# FIRST-SEC-NEXT: Class: ELFCLASS64 | ||
# FIRST-SEC-NEXT: Data: ELFDATA2LSB | ||
# FIRST-SEC-NEXT: Type: ET_REL | ||
# FIRST-SEC-NEXT: Machine: EM_X86_64 | ||
# FIRST-SEC-NEXT: Sections: | ||
# FIRST-SEC-NEXT: - Type: SHT_NULL | ||
# FIRST-SEC-NEXT: Flags: [ SHF_ALLOC ] | ||
# FIRST-SEC-NEXT: Address: 0x0000000000000006 | ||
# FIRST-SEC-NEXT: Link: .foo | ||
# FIRST-SEC-NEXT: AddressAlign: 0x0000000000000003 | ||
# FIRST-SEC-NEXT: EntSize: 0x0000000000000005 | ||
# FIRST-SEC-NEXT: Size: 0x0000000000000004 | ||
# FIRST-SEC-NEXT: Info: 0x0000000000000002 | ||
# FIRST-SEC-NEXT: - Name: .foo | ||
# FIRST-SEC-NEXT: Type: SHT_PROGBITS | ||
# FIRST-SEC-NEXT: ... | ||
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--- !ELF | ||
FileHeader: | ||
Class: ELFCLASS64 | ||
Data: ELFDATA2LSB | ||
Type: ET_REL | ||
Machine: EM_X86_64 | ||
Sections: | ||
- Type: SHT_NULL | ||
Name: '' | ||
Flags: [ SHF_ALLOC ] | ||
Link: 1 | ||
Info: 2 | ||
AddressAlign: 0x3 | ||
Size: 0x4 | ||
EntSize: 0x5 | ||
Address: 0x6 | ||
- Type: SHT_PROGBITS | ||
Name: .foo | ||
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## Check we are able to dump the SHT_NULL section with a non-zero index. | ||
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# RUN: yaml2obj --docnum=2 %s -o %t2 | ||
# RUN: obj2yaml %t2 | FileCheck %s --check-prefix=SECOND-SEC | ||
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# SECOND-SEC: --- !ELF | ||
# SECOND-SEC-NEXT: FileHeader: | ||
# SECOND-SEC-NEXT: Class: ELFCLASS64 | ||
# SECOND-SEC-NEXT: Data: ELFDATA2LSB | ||
# SECOND-SEC-NEXT: Type: ET_REL | ||
# SECOND-SEC-NEXT: Machine: EM_X86_64 | ||
# SECOND-SEC-NEXT: Sections: | ||
# SECOND-SEC-NEXT: - Name: .foo | ||
# SECOND-SEC-NEXT: Type: SHT_PROGBITS | ||
# SECOND-SEC-NEXT: - Type: SHT_NULL | ||
# SECOND-SEC-NEXT: Flags: [ SHF_ALLOC ] | ||
# SECOND-SEC-NEXT: Address: 0x0000000000000006 | ||
# SECOND-SEC-NEXT: Link: .foo | ||
# SECOND-SEC-NEXT: AddressAlign: 0x0000000000000003 | ||
# SECOND-SEC-NEXT: EntSize: 0x0000000000000005 | ||
# SECOND-SEC-NEXT: Content: '00000000' | ||
# SECOND-SEC-NEXT: Info: 0x0000000000000002 | ||
# SECOND-SEC-NEXT: ... | ||
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--- !ELF | ||
FileHeader: | ||
Class: ELFCLASS64 | ||
Data: ELFDATA2LSB | ||
Type: ET_REL | ||
Machine: EM_X86_64 | ||
Sections: | ||
- Type: SHT_PROGBITS | ||
Name: .foo | ||
- Type: SHT_NULL | ||
Name: '' | ||
Flags: [ SHF_ALLOC ] | ||
Link: 1 | ||
Info: 2 | ||
AddressAlign: 0x3 | ||
Size: 0x4 | ||
EntSize: 0x5 | ||
Address: 0x6 | ||
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## Check we do not dump the SHT_NULL section with index 0 | ||
## when it does not have any custom fields. | ||
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# RUN: yaml2obj --docnum=3 %s -o %t3 | ||
# RUN: obj2yaml %t3 | FileCheck %s --check-prefix=NULL-SEC | ||
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# NULL-SEC: --- !ELF | ||
# NULL-SEC-NEXT: FileHeader: | ||
# NULL-SEC-NEXT: Class: ELFCLASS64 | ||
# NULL-SEC-NEXT: Data: ELFDATA2LSB | ||
# NULL-SEC-NEXT: Type: ET_REL | ||
# NULL-SEC-NEXT: Machine: EM_X86_64 | ||
# NULL-SEC-NEXT: Sections: | ||
# NULL-SEC-NEXT: - Name: .foo | ||
# NULL-SEC-NEXT: Type: SHT_PROGBITS | ||
# NULL-SEC-NEXT: ... | ||
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--- !ELF | ||
FileHeader: | ||
Class: ELFCLASS64 | ||
Data: ELFDATA2LSB | ||
Type: ET_REL | ||
Machine: EM_X86_64 | ||
Sections: | ||
- Type: SHT_NULL | ||
- Type: SHT_PROGBITS | ||
Name: .foo | ||
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## Check we dump SHT_NULL sections which are not at the beginning | ||
## of the section list even if they don't have any non-null fields. | ||
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# RUN: yaml2obj --docnum=4 %s -o %t4 | ||
# RUN: obj2yaml %t4 | FileCheck %s --check-prefix=NULL-SEC-MIDDLE | ||
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# NULL-SEC-MIDDLE: --- !ELF | ||
# NULL-SEC-MIDDLE-NEXT: FileHeader: | ||
# NULL-SEC-MIDDLE-NEXT: Class: ELFCLASS64 | ||
# NULL-SEC-MIDDLE-NEXT: Data: ELFDATA2LSB | ||
# NULL-SEC-MIDDLE-NEXT: Type: ET_REL | ||
# NULL-SEC-MIDDLE-NEXT: Machine: EM_X86_64 | ||
# NULL-SEC-MIDDLE-NEXT: Sections: | ||
# NULL-SEC-MIDDLE-NEXT: - Name: .foo | ||
# NULL-SEC-MIDDLE-NEXT: Type: SHT_PROGBITS | ||
# NULL-SEC-MIDDLE-NEXT: - Type: SHT_NULL | ||
# NULL-SEC-MIDDLE-NEXT: ... | ||
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--- !ELF | ||
FileHeader: | ||
Class: ELFCLASS64 | ||
Data: ELFDATA2LSB | ||
Type: ET_REL | ||
Machine: EM_X86_64 | ||
Sections: | ||
- Type: SHT_PROGBITS | ||
Name: .foo | ||
- Type: SHT_NULL |
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