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[yaml2obj] - Allow setting cutom Flags for implicit sections.
With this patch we get ability to set any flags we want for implicit sections defined in YAML. Differential revision: https://reviews.llvm.org/D63136 llvm-svn: 363367
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George Rimar
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Jun 14, 2019
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79 changes: 79 additions & 0 deletions
79
llvm/test/tools/yaml2obj/strtab-implicit-sections-flags.yaml
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,79 @@ | ||
## For implicit string table sections, the `Flags` field can also | ||
## be specified in YAML. Here we test the behavior in different cases. | ||
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## When flags are not explicitly specified, yaml2obj assigns no flags | ||
## for .strtab and the SHF_ALLOC flag for .dynstr by default. | ||
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# RUN: yaml2obj --docnum=1 %s -o %t1 | ||
# RUN: llvm-readobj %t1 -S | FileCheck %s --check-prefix=CASE1 | ||
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# CASE1: Name: .strtab | ||
# CASE1-NEXT: Type: SHT_STRTAB | ||
# CASE1-NEXT: Flags [ | ||
# CASE1-NEXT: ] | ||
# CASE1: Name: .dynstr | ||
# CASE1-NEXT: Type: SHT_STRTAB | ||
# CASE1-NEXT: Flags [ | ||
# CASE1-NEXT: SHF_ALLOC | ||
# CASE1-NEXT: ] | ||
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||
--- !ELF | ||
FileHeader: | ||
Class: ELFCLASS64 | ||
Data: ELFDATA2LSB | ||
Type: ET_DYN | ||
Machine: EM_X86_64 | ||
Sections: | ||
- Name: .strtab | ||
Type: SHT_STRTAB | ||
- Name: .dynstr | ||
Type: SHT_STRTAB | ||
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## Check we can set arbitrary flags for .strtab/.dynstr. | ||
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# RUN: yaml2obj --docnum=2 %s -o %t2 | ||
# RUN: llvm-readobj %t2 -S | FileCheck %s --check-prefix=CASE2 | ||
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# CASE2: Name: .strtab | ||
# CASE2-NEXT: Type: SHT_STRTAB | ||
# CASE2-NEXT: Flags [ | ||
# CASE2-NEXT: SHF_ALLOC | ||
# CASE2-NEXT: SHF_STRINGS | ||
# CASE2-NEXT: ] | ||
# CASE2: Name: .dynstr | ||
# CASE2-NEXT: Type: SHT_STRTAB | ||
# CASE2-NEXT: Flags [ | ||
# CASE2-NEXT: SHF_STRINGS | ||
# CASE2-NEXT: ] | ||
|
||
--- !ELF | ||
FileHeader: | ||
Class: ELFCLASS64 | ||
Data: ELFDATA2LSB | ||
Type: ET_DYN | ||
Machine: EM_X86_64 | ||
Sections: | ||
- Name: .strtab | ||
Type: SHT_STRTAB | ||
Flags: [ SHF_ALLOC, SHF_STRINGS ] | ||
- Name: .dynstr | ||
Type: SHT_STRTAB | ||
Flags: [ SHF_STRINGS ] | ||
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||
## Check no flags are set by default for .strtab when it is not | ||
## described in the YAML. | ||
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# RUN: yaml2obj --docnum=3 %s -o %t3 | ||
# RUN: llvm-readobj %t3 -S | FileCheck %s --check-prefix=CASE3 | ||
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# CASE3: Name: .strtab | ||
# CASE3-NEXT: Type: SHT_STRTAB | ||
# CASE3-NEXT: Flags [ | ||
# CASE3-NEXT: ] | ||
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||
--- !ELF | ||
FileHeader: | ||
Class: ELFCLASS64 | ||
Data: ELFDATA2LSB | ||
Type: ET_DYN | ||
Machine: EM_X86_64 |
79 changes: 79 additions & 0 deletions
79
llvm/test/tools/yaml2obj/symtab-implicit-sections-flags.yaml
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,79 @@ | ||
## For implicit symbol table sections, the `Flags` field can also | ||
## be specified in YAML. Here we test the behavior in different cases. | ||
|
||
## When flags are not explicitly specified, yaml2obj assigns no flags | ||
## for .symtab and the SHF_ALLOC flag for .dynsym by default. | ||
|
||
# RUN: yaml2obj --docnum=1 %s -o %t1 | ||
# RUN: llvm-readobj %t1 -S | FileCheck %s --check-prefix=CASE1 | ||
|
||
# CASE1: Name: .symtab | ||
# CASE1-NEXT: Type: SHT_SYMTAB | ||
# CASE1-NEXT: Flags [ | ||
# CASE1-NEXT: ] | ||
# CASE1: Name: .dynsym | ||
# CASE1-NEXT: Type: SHT_DYNSYM | ||
# CASE1-NEXT: Flags [ | ||
# CASE1-NEXT: SHF_ALLOC | ||
# CASE1-NEXT: ] | ||
|
||
--- !ELF | ||
FileHeader: | ||
Class: ELFCLASS64 | ||
Data: ELFDATA2LSB | ||
Type: ET_DYN | ||
Machine: EM_X86_64 | ||
Sections: | ||
- Name: .symtab | ||
Type: SHT_SYMTAB | ||
- Name: .dynsym | ||
Type: SHT_SYMTAB | ||
|
||
## Check we can set arbitrary flags for .symtab/.dynsym. | ||
|
||
# RUN: yaml2obj --docnum=2 %s -o %t2 | ||
# RUN: llvm-readobj %t2 -S | FileCheck %s --check-prefix=CASE2 | ||
|
||
# CASE2: Name: .symtab | ||
# CASE2-NEXT: Type: SHT_SYMTAB | ||
# CASE2-NEXT: Flags [ | ||
# CASE2-NEXT: SHF_ALLOC | ||
# CASE2-NEXT: SHF_STRINGS | ||
# CASE2-NEXT: ] | ||
# CASE2: Name: .dynsym | ||
# CASE2-NEXT: Type: SHT_DYNSYM | ||
# CASE2-NEXT: Flags [ | ||
# CASE2-NEXT: SHF_STRINGS | ||
# CASE2-NEXT: ] | ||
|
||
--- !ELF | ||
FileHeader: | ||
Class: ELFCLASS64 | ||
Data: ELFDATA2LSB | ||
Type: ET_DYN | ||
Machine: EM_X86_64 | ||
Sections: | ||
- Name: .symtab | ||
Type: SHT_SYMTAB | ||
Flags: [ SHF_ALLOC, SHF_STRINGS ] | ||
- Name: .dynsym | ||
Type: SHT_SYMTAB | ||
Flags: [ SHF_STRINGS ] | ||
|
||
## Check no flags are set by default for .symtab when it is not | ||
## described in the YAML. | ||
|
||
# RUN: yaml2obj --docnum=3 %s -o %t3 | ||
# RUN: llvm-readobj %t3 -S | FileCheck %s --check-prefix=CASE3 | ||
|
||
# CASE3: Name: .symtab | ||
# CASE3-NEXT: Type: SHT_SYMTAB | ||
# CASE3-NEXT: Flags [ | ||
# CASE3-NEXT: ] | ||
|
||
--- !ELF | ||
FileHeader: | ||
Class: ELFCLASS64 | ||
Data: ELFDATA2LSB | ||
Type: ET_DYN | ||
Machine: EM_X86_64 |
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