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[llvm-objdump][test] Reorganize ELF --syms tests
Merge symbol-table-elf.test and common-symbol-elf.test, and add some
more tests (invalid st_type, STT_COMMON, STT_GNU_IFUNC, STT_HIOS, STT_LOPROC, SHN_UNDEF, SHN_ABS, SHN_COMMON, STB_GNU_UNIQUE, invalid binding, etc) to test/llvm-objdump/ELF/symbol-table.test
The naming follows test/llvm-{readobj,objcopy}/ELF .
Some discrepancy from GNU objdump:
* STT_COMMON: can be produced with `ld.bfd -r -z common`, but it almost never exists in practice
* STT_GNU_IFUNC: will be fixed by D75793
* STB_GNU_UNIQUE: will be fixed by D75797
* STT_TLS: GNU objdump does not print 'O'
* unknown binding: GNU objdump does not print 'g'. This probably does not matter.
* A reserved symbol index is displayed as *ABS* in GNU objdump. It is not clear what we should print.
Reviewed By: grimar
Differential Revision: https://reviews.llvm.org/D75796
This commit is contained in:
Fangrui Song
parent
d09873308c
commit
a67a0f1131
148
test/tools/llvm-objdump/ELF/symbol-table.test
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148
test/tools/llvm-objdump/ELF/symbol-table.test
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@ -0,0 +1,148 @@
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## Test how --syms/-t prints the static symbol table.
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# RUN: yaml2obj --docnum=1 %s -o %t
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# RUN: llvm-objdump --syms %t > %t.txt
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# RUN: llvm-objdump -t %t | cmp - %t.txt
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# RUN: FileCheck %s --input-file=%t.txt --match-full-lines --strict-whitespace
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# CHECK:SYMBOL TABLE:
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# CHECK-NEXT:0000000000000000 l df *ABS* 0000000000000000 a.c
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# CHECK-NEXT:0000000000000000 l d .text 0000000000000000 .text
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# CHECK-NEXT:0000000000002000 l O .data 0000000000000000 local_object
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# CHECK-NEXT:0000000000001fff l F .text 0000000000000000 local_func
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# CHECK-NEXT:0000000000000000 l *ABS* 0000000000000000 local_abs
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# CHECK-NEXT:0000000000000000 g .data 0000000000000000 notype
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# CHECK-NEXT:0000000000000000 g O .data 0000000000000010 object
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# CHECK-NEXT:0000000000000000 g F .text 000000000000000f func
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# CHECK-NEXT:0000000000000000 g O *COM* 0000000000000000 common
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# CHECK-NEXT:0000000000000000 g O .data 0000000000000000 tls
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# CHECK-NEXT:0000000000000000 g .text 0000000000000000 ifunc
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# CHECK-NEXT:0000000000000000 g .text 0000000000000000 invalid_type
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# CHECK-NEXT:0000000000000000 g .text 0000000000000000 STT_HIOS
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# CHECK-NEXT:0000000000000000 g .text 0000000000000000 STT_LOPROC
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# CHECK-NEXT:0000000000000000 *UND* 0000000000000000 undef
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# CHECK-NEXT:0000000000000000 *UND* 0000000000000000 SHN_LOPROC
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# CHECK-NEXT:0000000000000000 *UND* 0000000000000000 SHN_LOOS
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# CHECK-NEXT:0000000000000000 *UND* 0000000000000000 reserve
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# CHECK-NEXT:0000000000000000 g *ABS* 0000000000000000 abs
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# CHECK-NEXT:0000000000000000 *COM* 0000000000000000 common2
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# CHECK-NEXT:0000000000000000 g O .data 0000000000000000 gnu_unique
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# CHECK-NEXT:0000000000000000 g .data 0000000000000000 invalid_binding
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# CHECK-NEXT:0000000000000000 g .data 0000000000000000 STB_HIOS
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# CHECK-NEXT:0000000000000000 g .data 0000000000000000 STB_LOPROC
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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_EXEC
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Machine: EM_X86_64
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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- Name: .data
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Type: SHT_PROGBITS
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Symbols:
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- Name: "a.c"
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Type: STT_FILE
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Index: SHN_ABS
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- Type: STT_SECTION
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Section: .text
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- Name: local_object
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Type: STT_OBJECT
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Section: .data
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Value: 0x2000
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- Name: local_func
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Type: STT_FUNC
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Section: .text
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Value: 0x1fff
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- Name: local_abs
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Index: SHN_ABS
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- Name: notype
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Binding: STB_GLOBAL
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Section: .data
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- Name: object
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Type: STT_OBJECT
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Size: 0x10
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Binding: STB_GLOBAL
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Section: .data
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- Name: func
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Type: STT_FUNC
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Size: 0xf
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Binding: STB_GLOBAL
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Section: .text
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- Name: common
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Type: STT_COMMON
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Binding: STB_GLOBAL
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Section: .data
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- Name: tls
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Type: STT_TLS
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Binding: STB_GLOBAL
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Section: .data
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- Name: ifunc
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Type: STT_GNU_IFUNC
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Binding: STB_GLOBAL
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Section: .text
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- Name: invalid_type
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Type: 7
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Binding: STB_GLOBAL
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Section: .text
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- Name: STT_HIOS
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Type: 12
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Binding: STB_GLOBAL
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Section: .text
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- Name: STT_LOPROC
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Type: 13
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Binding: STB_GLOBAL
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Section: .text
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- Name: undef
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Binding: STB_GLOBAL
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- Name: SHN_LOPROC
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Binding: STB_GLOBAL
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Index: 0xff00
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- Name: SHN_LOOS
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Binding: STB_GLOBAL
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Index: 0xff20
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- Name: reserve
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Binding: STB_GLOBAL
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Index: 0xff40
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- Name: abs
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Index: SHN_ABS
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Binding: STB_GLOBAL
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- Name: common2
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Binding: STB_GLOBAL
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Index: SHN_COMMON
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- Name: gnu_unique
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Type: STT_OBJECT
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Binding: STB_GNU_UNIQUE
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Section: .data
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- Name: invalid_binding
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Binding: 3
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Section: .data
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- Name: STB_HIOS
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Binding: 12
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Section: .data
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- Name: STB_LOPROC
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Binding: 13
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Section: .data
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## For an ELF32 object, print the address and size fields as 32-bit hexadecimals.
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# RUN: yaml2obj --docnum=2 -D BITS=32 %s -o %t.32
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# RUN: llvm-objdump --syms %t.32 | FileCheck --check-prefix=ELF32 %s --match-full-lines --strict-whitespace
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## For an ELF64 object, print the address and size fields as 64-bit hexadecimals.
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# RUN: yaml2obj --docnum=2 -D BITS=64 %s -o %t.64
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# RUN: llvm-objdump --syms %t.64 | FileCheck --check-prefix=ELF64 %s --match-full-lines --strict-whitespace
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# ELF32:SYMBOL TABLE:
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# ELF32-NEXT:00000000 *UND* 00000000 sym
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# ELF64:SYMBOL TABLE:
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# ELF64-NEXT:0000000000000000 *UND* 0000000000000000 sym
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--- !ELF
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FileHeader:
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Class: ELFCLASS[[BITS]]
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_X86_64
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Symbols:
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- Name: sym
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Binary file not shown.
@ -1,3 +0,0 @@
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// RUN: llvm-objdump -t %p/Inputs/common-symbol-elf | FileCheck %s
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CHECK: 00000400 O *COM* 00000008 common_symbol
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@ -1,57 +0,0 @@
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# RUN: yaml2obj -D BITS=32 %s -o %t.32
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# RUN: llvm-objdump --syms %t.32 > %t.32.txt
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# RUN: llvm-objdump -t %t.32 | cmp - %t.32.txt
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# RUN: FileCheck --check-prefix=ELF32 %s --input-file=%t.32.txt
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# RUN: yaml2obj -D BITS=64 %s -o %t.64
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# RUN: llvm-objdump --syms %t.64 | FileCheck --check-prefix=ELF64 %s
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# ELF32: SYMBOL TABLE:
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# ELF32-NEXT: 00001004 l F .text 00000000 lfoo
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# ELF32-NEXT: 00001008 l O .text 00000000 lbar
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# ELF32-NEXT: 00001004 g F .text 00000000 foo
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# ELF32-NEXT: 00001008 g O .text 00000000 bar
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# ELF64: SYMBOL TABLE:
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# ELF64-NEXT: 0000000000001004 l F .text 0000000000000000 lfoo
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# ELF64-NEXT: 0000000000001008 l O .text 0000000000000000 lbar
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# ELF64-NEXT: 0000000000001004 g F .text 0000000000000000 foo
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# ELF64-NEXT: 0000000000001008 g O .text 0000000000000000 bar
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!ELF
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FileHeader:
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Class: ELFCLASS[[BITS]]
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_X86_64
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Sections:
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- Name: .bss
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Type: SHT_NOBITS
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Flags: [ SHF_ALLOC ]
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AddressAlign: 0x0000000000000010
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Size: 64
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- Name: .text
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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AddressAlign: 0x0000000000000010
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Content: "00000000"
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Symbols:
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- Name: lfoo
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Type: STT_FUNC
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Section: .text
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Value: 0x1004
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- Name: lbar
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Type: STT_OBJECT
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Section: .text
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Value: 0x1008
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- Name: foo
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Type: STT_FUNC
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Section: .text
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Value: 0x1004
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Binding: STB_GLOBAL
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- Name: bar
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Type: STT_OBJECT
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Section: .text
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Value: 0x1008
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Binding: STB_GLOBAL
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