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f954f43df3
Imagine we have a YAML declaration of few sections: `foo1`, `<unnamed 2>`, `foo3`, `foo4`. To put them into segment we can do (1*): ``` Sections: - Section: foo1 - Section: foo4 ``` or we can use (2*): ``` Sections: - Section: foo1 - Section: foo3 - Section: foo4 ``` or (3*) : ``` Sections: - Section: foo1 ## "(index 2)" here is a name that we automatically created for a unnamed section. - Section: (index 2) - Section: foo3 - Section: foo4 ``` It looks really confusing that we don't have to list all of sections. At first I've tried to make this rule stricter and report an error when there is a gap (i.e. when a section is included into segment, but not listed explicitly). This did not work perfect, because such approach conflicts with unnamed sections/fills (see (3*)). This patch drops "Sections" key and introduces 2 keys instead: `FirstSec` and `LastSec`. Both are optional. Differential revision: https://reviews.llvm.org/D90458
52 lines
1.5 KiB
Plaintext
52 lines
1.5 KiB
Plaintext
# RUN: yaml2obj %s -o %t
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# RUN: llvm-elfabi --elf %t --emit-tbe=- | FileCheck %s
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!ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_DYN
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Machine: EM_X86_64
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Sections:
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- Name: .dynstr
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Type: SHT_STRTAB
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Flags: [ SHF_ALLOC ]
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Address: 0x1000
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# "\0libfoo.so\0libbar.so\0somelib.so\0foo\0"
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Content: "006c6962666f6f2e736f006c69626261722e736f00736f6d656c69622e736f00666f6f00"
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- Name: .dynamic
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Type: SHT_DYNAMIC
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Flags: [ SHF_ALLOC ]
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Address: 0x0000000000001024
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EntSize: 0x0000000000000010
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Entries:
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- Tag: DT_NEEDED
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Value: 0x0000000000000001
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- Tag: DT_SONAME
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Value: 0x0000000000000015
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- Tag: DT_NEEDED
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Value: 0x000000000000000B
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- Tag: DT_STRSZ
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Value: 0x0000000000000024
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- Tag: DT_STRTAB
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Value: 0x0000000000001000
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- Tag: DT_SYMTAB
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Value: 0x0000000000001000
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- Tag: DT_NULL
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Value: 0x0000000000000000
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ProgramHeaders:
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- Type: PT_LOAD
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Flags: [ PF_R ]
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VAddr: 0x1000
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Align: 8
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FirstSec: .dynstr
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LastSec: .dynamic
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- Type: PT_DYNAMIC
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Flags: [ PF_X, PF_R ]
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VAddr: 0x1024
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# CHECK: NeededLibs:
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# CHECK-NEXT: - libfoo.so{{$}}
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# CHECK-NEXT: - libbar.so{{$}}
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# CHECK-NEXT: Symbols: {}
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