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	ELF with support for:
- File headers
- Section headers + data
- Relocations
- Symbols
- Unwind data (only COFF/Win64)
The output format follows a few rules:
- Values are almost always output one per line (as elf-dump/coff-dump already do). - Many values are translated to something readable (like enum names), with the raw value in parentheses.
- Hex numbers are output in uppercase, prefixed with "0x".
- Flags are sorted alphabetically.
- Lists and groups are always delimited.
Example output:
---------- snip ----------
Sections [
  Section {
    Index: 1
    Name: .text (5)
    Type: SHT_PROGBITS (0x1)
    Flags [ (0x6)
      SHF_ALLOC (0x2)
      SHF_EXECINSTR (0x4)
    ]
    Address: 0x0
    Offset: 0x40
    Size: 33
    Link: 0
    Info: 0
    AddressAlignment: 16
    EntrySize: 0
    Relocations [
      0x6 R_386_32 .rodata.str1.1 0x0
      0xB R_386_PC32 puts 0x0
      0x12 R_386_32 .rodata.str1.1 0x0
      0x17 R_386_PC32 puts 0x0
    ]
    SectionData (
      0000: 83EC04C7 04240000 0000E8FC FFFFFFC7  |.....$..........|
      0010: 04240600 0000E8FC FFFFFF31 C083C404  |.$.........1....|
      0020: C3                                   |.|
    )
  }
]
---------- snip ----------
Relocations and symbols can be output standalone or together with the section header as displayed in the example.
This feature set supports all tests in test/MC/COFF and test/MC/ELF (and I suspect all additional tests using elf-dump), making elf-dump and coff-dump deprecated.
Patch by Nico Rieck!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178679 91177308-0d34-0410-b5e6-96231b3b80d8
		
	
		
			
				
	
	
		
			320 lines
		
	
	
		
			6.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			320 lines
		
	
	
		
			6.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| RUN: llvm-readobj -s -t -dt -dynamic-table -needed-libs \
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| RUN:              %p/Inputs/shared-object-test.elf-i386 \
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| RUN:         | FileCheck %s -check-prefix ELF
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| RUN: llvm-readobj -s -t -dt -dynamic-table -needed-libs \
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| RUN:              %p/Inputs/shared-object-test.elf-i386 \
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| RUN:         | FileCheck %s -check-prefix ELF32
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| 
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| RUN: llvm-readobj -s -t -dt -dynamic-table -needed-libs \
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| RUN:            %p/Inputs/shared-object-test.elf-x86-64 \
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| RUN:         | FileCheck %s -check-prefix ELF
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| RUN: llvm-readobj -s -t -dt -dynamic-table -needed-libs \
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| RUN:            %p/Inputs/shared-object-test.elf-x86-64 \
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| RUN:         | FileCheck %s -check-prefix ELF64
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| 
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| ELF64: Format:      ELF64-x86-64
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| ELF64: Arch:        x86_64
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| ELF64: AddressSize: 64bit
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| ELF64: LoadName:    libfoo.so
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| 
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| ELF32: Format:      ELF32-i386
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| ELF32: Arch:        i386
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| ELF32: AddressSize: 32bit
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| ELF32: LoadName:    libfoo.so
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| 
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| ELF: Sections [
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| ELF:   Section {
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| ELF:     Name:  (0)
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| ELF:     Type: SHT_NULL
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| ELF:     Flags [ (0x0)
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| ELF:     ]
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| ELF:   }
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| ELF:   Section {
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| ELF:     Name: .hash
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| ELF:     Type: SHT_HASH
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| ELF:     Flags [ (0x2)
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| ELF:       SHF_ALLOC
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| ELF:     ]
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| ELF:   }
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| ELF:   Section {
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| ELF:     Name: .dynsym
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| ELF:     Type: SHT_DYNSYM
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| ELF:     Flags [ (0x2)
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| ELF:       SHF_ALLOC
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| ELF:     ]
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| ELF:   }
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| ELF:   Section {
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| ELF:     Name: .dynstr
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| ELF:     Type: SHT_STRTAB
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| ELF:     Flags [ (0x2)
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| ELF:       SHF_ALLOC
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| ELF:     ]
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| ELF:   }
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| ELF:   Section {
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| ELF:     Name: .text
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| ELF:     Type: SHT_PROGBITS
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| ELF:     Flags [ (0x6)
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| ELF:       SHF_ALLOC
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| ELF:       SHF_EXECINSTR
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| ELF:     ]
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| ELF:   }
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| ELF:   Section {
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| ELF:     Name: .eh_frame
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| ELF:     Type: SHT_PROGBITS
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| ELF:     Flags [ (0x2)
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| ELF:       SHF_ALLOC
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| ELF:     ]
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| ELF:   }
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| ELF:   Section {
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| ELF:     Name: .tdata
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| ELF:     Type: SHT_PROGBITS
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| ELF:     Flags [ (0x403)
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| ELF:       SHF_ALLOC
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| ELF:       SHF_TLS
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| ELF:       SHF_WRITE
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| ELF:     ]
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| ELF:   }
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| ELF:   Section {
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| ELF:     Name: .dynamic
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| ELF:     Type: SHT_DYNAMIC
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| ELF:     Flags [ (0x3)
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| ELF:       SHF_ALLOC
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| ELF:       SHF_WRITE
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| ELF:     ]
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| ELF:   }
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| ELF:   Section {
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| ELF:     Name: .got.plt
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| ELF:     Type: SHT_PROGBITS
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| ELF:     Flags [ (0x3)
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| ELF:       SHF_ALLOC
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| ELF:       SHF_WRITE
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| ELF:     ]
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| ELF:   }
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| ELF:   Section {
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| ELF:     Name: .data
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| ELF:     Type: SHT_PROGBITS
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| ELF:     Flags [ (0x3)
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| ELF:       SHF_ALLOC
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| ELF:       SHF_WRITE
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| ELF:     ]
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| ELF:   }
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| ELF:   Section {
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| ELF:     Name: .bss
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| ELF:     Type: SHT_NOBITS
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| ELF:     Flags [ (0x3)
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| ELF:       SHF_ALLOC
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| ELF:       SHF_WRITE
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| ELF:     ]
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| ELF:   }
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| ELF:   Section {
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| ELF:     Name: .shstrtab
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| ELF:     Type: SHT_STRTAB
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| ELF:     Flags [ (0x0)
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| ELF:     ]
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| ELF:   }
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| ELF:   Section {
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| ELF:     Name: .symtab
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| ELF:     Type: SHT_SYMTAB
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| ELF:     Flags [ (0x0)
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| ELF:     ]
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| ELF:   }
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| ELF:   Section {
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| ELF:     Name: .strtab
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| ELF:     Type: SHT_STRTAB
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| ELF:     Flags [ (0x0)
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| ELF:     ]
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| ELF:   }
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| ELF: ]
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| 
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| ELF: Symbols [
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| ELF:   Symbol {
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| ELF:     Name: .hash
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| ELF:     Binding: Local
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| ELF:     Type: Section
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| ELF:     Section: .hash
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: .dynsym
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| ELF:     Binding: Local
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| ELF:     Type: Section
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| ELF:     Section: .dynsym
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: .dynstr
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| ELF:     Binding: Local
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| ELF:     Type: Section
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| ELF:     Section: .dynstr
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: .text
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| ELF:     Binding: Local
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| ELF:     Type: Section
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| ELF:     Section: .text
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: .eh_frame
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| ELF:     Binding: Local
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| ELF:     Type: Section
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| ELF:     Section: .eh_frame
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: .tdata
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| ELF:     Binding: Local
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| ELF:     Type: Section
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| ELF:     Section: .tdata
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: .dynamic
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| ELF:     Binding: Local
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| ELF:     Type: Section
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| ELF:     Section: .dynamic
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: .got.plt
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| ELF:     Binding: Local
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| ELF:     Type: Section
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| ELF:     Section: .got.plt
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: .data
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| ELF:     Binding: Local
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| ELF:     Type: Section
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| ELF:     Section: .data
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: .bss
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| ELF:     Binding: Local
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| ELF:     Type: Section
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| ELF:     Section: .bss
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: shared.ll
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| ELF:     Binding: Local
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| ELF:     Type: File
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| ELF:     Section: (0xFFF1)
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: local_func
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| ELF:     Binding: Local
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| ELF:     Type: Function
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| ELF:     Section: .text
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: _GLOBAL_OFFSET_TABLE_
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| ELF:     Binding: Local
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| ELF:     Type: Object
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| ELF:     Section: (0xFFF1)
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: _DYNAMIC
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| ELF:     Binding: Local
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| ELF:     Type: Object
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| ELF:     Section: (0xFFF1)
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: common_sym
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| ELF:     Binding: Global
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| ELF:     Type: Object
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| ELF:     Section: .bss
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: tls_sym
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| ELF:     Binding: Global
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| ELF:     Type: TLS
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| ELF:     Section: .tdata
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: defined_sym
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| ELF:     Binding: Global
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| ELF:     Type: Object
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| ELF:     Section: .data
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: __bss_start
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| ELF:     Binding: Global
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| ELF:     Type: None
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| ELF:     Section: (0xFFF1)
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: _end
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| ELF:     Binding: Global
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| ELF:     Type: None
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| ELF:     Section: (0xFFF1)
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: global_func
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| ELF:     Binding: Global
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| ELF:     Type: Function
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| ELF:     Section: .text
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: _edata
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| ELF:     Binding: Global
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| ELF:     Type: None
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| ELF:     Section: (0xFFF1)
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| ELF:   }
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| ELF: ]
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| 
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| ELF: DynamicSymbols [
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| ELF:   Symbol {
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| ELF:     Name: common_sym
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| ELF:     Binding: Global
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| ELF:     Type: Object
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| ELF:     Section: .bss
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: tls_sym
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| ELF:     Binding: Global
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| ELF:     Type: TLS
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| ELF:     Section: .tdata
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: defined_sym
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| ELF:     Binding: Global
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| ELF:     Type: Object
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| ELF:     Section: .data
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: __bss_start
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| ELF:     Binding: Global
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| ELF:     Type: None
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| ELF:     Section: (0xFFF1)
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: _end
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| ELF:     Binding: Global
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| ELF:     Type: None
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| ELF:     Section: (0xFFF1)
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: global_func
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| ELF:     Binding: Global
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| ELF:     Type: Function
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| ELF:     Section: .text
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| ELF:   }
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| ELF:   Symbol {
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| ELF:     Name: _edata
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| ELF:     Binding: Global
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| ELF:     Type: None
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| ELF:     Section: (0xFFF1)
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| ELF:   }
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| ELF: ]
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| 
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| ELF: DynamicSection [ (9 entries)
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| ELF:   Tag        Type                 Name/Value
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| ELF:   00000001 NEEDED               SharedLibrary (libc.so.6)
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| ELF:   00000001 NEEDED               SharedLibrary (libm.so.6)
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| ELF:   0000000E SONAME               LibrarySoname (libfoo.so)
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| ELF:   00000004 HASH                 {{[0-9a-f]+}}
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| ELF:   00000005 STRTAB               {{[0-9a-f]+}}
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| ELF:   00000006 SYMTAB               {{[0-9a-f]+}}
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| ELF:   0000000A STRSZ                {{[0-9]+}} (bytes)
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| ELF:   0000000B SYMENT               {{[0-9]+}} (bytes)
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| ELF:   00000000 NULL                 0x0
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| ELF: ]
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| 
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| ELF:      NeededLibraries [
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| ELF-NEXT:  libc.so.6
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| ELF-NEXT:  libm.so.6
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| ELF-NEXT: ]
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