Skip to content

Instantly share code, notes, and snippets.

@nemanjan00
Created April 2, 2016 18:21
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save nemanjan00/e77bf113e881ab74f617c1af82c3025f to your computer and use it in GitHub Desktop.
Save nemanjan00/e77bf113e881ab74f617c1af82c3025f to your computer and use it in GitHub Desktop.
ELF Header:
Magic: 7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00
Class: ELF64
Data: 2's complement, little endian
Version: 1 (current)
OS/ABI: UNIX - System V
ABI Version: 0
Type: EXEC (Executable file)
Machine: Advanced Micro Devices X86-64
Version: 0x1
Entry point address: 0x400440
Start of program headers: 64 (bytes into file)
Start of section headers: 5168 (bytes into file)
Flags: 0x0
Size of this header: 64 (bytes)
Size of program headers: 56 (bytes)
Number of program headers: 8
Size of section headers: 64 (bytes)
Number of section headers: 31
Section header string table index: 28
Section Headers:
[Nr] Name Type Address Offset
Size EntSize Flags Link Info Align
[ 0] NULL 0000000000000000 00000000
0000000000000000 0000000000000000 0 0 0
[ 1] .interp PROGBITS 0000000000400200 00000200
000000000000001c 0000000000000000 A 0 0 1
[ 2] .note.ABI-tag NOTE 000000000040021c 0000021c
0000000000000020 0000000000000000 A 0 0 4
[ 3] .note.gnu.build-i NOTE 000000000040023c 0000023c
0000000000000024 0000000000000000 A 0 0 4
[ 4] .gnu.hash GNU_HASH 0000000000400260 00000260
000000000000001c 0000000000000000 A 5 0 8
[ 5] .dynsym DYNSYM 0000000000400280 00000280
0000000000000078 0000000000000018 A 6 1 8
[ 6] .dynstr STRTAB 00000000004002f8 000002f8
0000000000000045 0000000000000000 A 0 0 1
[ 7] .gnu.version VERSYM 000000000040033e 0000033e
000000000000000a 0000000000000002 A 5 0 2
[ 8] .gnu.version_r VERNEED 0000000000400348 00000348
0000000000000020 0000000000000000 A 6 1 8
[ 9] .rela.dyn RELA 0000000000400368 00000368
0000000000000018 0000000000000018 A 5 0 8
[10] .rela.plt RELA 0000000000400380 00000380
0000000000000048 0000000000000018 AI 5 24 8
[11] .init PROGBITS 00000000004003c8 000003c8
000000000000001a 0000000000000000 AX 0 0 4
[12] .plt PROGBITS 00000000004003f0 000003f0
0000000000000040 0000000000000010 AX 0 0 16
[13] .plt.got PROGBITS 0000000000400430 00000430
0000000000000008 0000000000000000 AX 0 0 8
[14] .text PROGBITS 0000000000400440 00000440
00000000000001e2 0000000000000000 AX 0 0 16
[15] .fini PROGBITS 0000000000400624 00000624
0000000000000009 0000000000000000 AX 0 0 4
[16] .rodata PROGBITS 0000000000400630 00000630
0000000000000004 0000000000000004 AM 0 0 4
[17] .eh_frame_hdr PROGBITS 0000000000400634 00000634
000000000000002c 0000000000000000 A 0 0 4
[18] .eh_frame PROGBITS 0000000000400660 00000660
00000000000000d4 0000000000000000 A 0 0 8
[19] .init_array INIT_ARRAY 0000000000600738 00000738
0000000000000008 0000000000000000 WA 0 0 8
[20] .fini_array FINI_ARRAY 0000000000600740 00000740
0000000000000008 0000000000000000 WA 0 0 8
[21] .jcr PROGBITS 0000000000600748 00000748
0000000000000008 0000000000000000 WA 0 0 8
[22] .dynamic DYNAMIC 0000000000600750 00000750
00000000000001d0 0000000000000010 WA 6 0 8
[23] .got PROGBITS 0000000000600920 00000920
0000000000000008 0000000000000008 WA 0 0 8
[24] .got.plt PROGBITS 0000000000600928 00000928
0000000000000030 0000000000000008 WA 0 0 8
[25] .data PROGBITS 0000000000600958 00000958
0000000000000028 0000000000000000 WA 0 0 8
[26] .bss NOBITS 0000000000600980 00000980
0000000000000008 0000000000000000 WA 0 0 1
[27] .comment PROGBITS 0000000000000000 00000980
0000000000000011 0000000000000001 MS 0 0 1
[28] .shstrtab STRTAB 0000000000000000 00001322
000000000000010c 0000000000000000 0 0 1
[29] .symtab SYMTAB 0000000000000000 00000998
0000000000000720 0000000000000018 30 55 8
[30] .strtab STRTAB 0000000000000000 000010b8
000000000000026a 0000000000000000 0 0 1
Key to Flags:
W (write), A (alloc), X (execute), M (merge), S (strings), l (large)
I (info), L (link order), G (group), T (TLS), E (exclude), x (unknown)
O (extra OS processing required) o (OS specific), p (processor specific)
There are no section groups in this file.
Program Headers:
Type Offset VirtAddr PhysAddr
FileSiz MemSiz Flags Align
PHDR 0x0000000000000040 0x0000000000400040 0x0000000000400040
0x00000000000001c0 0x00000000000001c0 R E 8
INTERP 0x0000000000000200 0x0000000000400200 0x0000000000400200
0x000000000000001c 0x000000000000001c R 1
[Requesting program interpreter: /lib64/ld-linux-x86-64.so.2]
LOAD 0x0000000000000000 0x0000000000400000 0x0000000000400000
0x0000000000000734 0x0000000000000734 R E 200000
LOAD 0x0000000000000738 0x0000000000600738 0x0000000000600738
0x0000000000000248 0x0000000000000250 RW 200000
DYNAMIC 0x0000000000000750 0x0000000000600750 0x0000000000600750
0x00000000000001d0 0x00000000000001d0 RW 8
NOTE 0x000000000000021c 0x000000000040021c 0x000000000040021c
0x0000000000000044 0x0000000000000044 R 4
GNU_EH_FRAME 0x0000000000000634 0x0000000000400634 0x0000000000400634
0x000000000000002c 0x000000000000002c R 4
GNU_STACK 0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 RWE 10
Section to Segment mapping:
Segment Sections...
00
01 .interp
02 .interp .note.ABI-tag .note.gnu.build-id .gnu.hash .dynsym .dynstr .gnu.version .gnu.version_r .rela.dyn .rela.plt .init .plt .plt.got .text .fini .rodata .eh_frame_hdr .eh_frame
03 .init_array .fini_array .jcr .dynamic .got .got.plt .data .bss
04 .dynamic
05 .note.ABI-tag .note.gnu.build-id
06 .eh_frame_hdr
07
Dynamic section at offset 0x750 contains 24 entries:
Tag Type Name/Value
0x0000000000000001 (NEEDED) Shared library: [libc.so.6]
0x000000000000000c (INIT) 0x4003c8
0x000000000000000d (FINI) 0x400624
0x0000000000000019 (INIT_ARRAY) 0x600738
0x000000000000001b (INIT_ARRAYSZ) 8 (bytes)
0x000000000000001a (FINI_ARRAY) 0x600740
0x000000000000001c (FINI_ARRAYSZ) 8 (bytes)
0x000000006ffffef5 (GNU_HASH) 0x400260
0x0000000000000005 (STRTAB) 0x4002f8
0x0000000000000006 (SYMTAB) 0x400280
0x000000000000000a (STRSZ) 69 (bytes)
0x000000000000000b (SYMENT) 24 (bytes)
0x0000000000000015 (DEBUG) 0x0
0x0000000000000003 (PLTGOT) 0x600928
0x0000000000000002 (PLTRELSZ) 72 (bytes)
0x0000000000000014 (PLTREL) RELA
0x0000000000000017 (JMPREL) 0x400380
0x0000000000000007 (RELA) 0x400368
0x0000000000000008 (RELASZ) 24 (bytes)
0x0000000000000009 (RELAENT) 24 (bytes)
0x000000006ffffffe (VERNEED) 0x400348
0x000000006fffffff (VERNEEDNUM) 1
0x000000006ffffff0 (VERSYM) 0x40033e
0x0000000000000000 (NULL) 0x0
Relocation section '.rela.dyn' at offset 0x368 contains 1 entries:
Offset Info Type Sym. Value Sym. Name + Addend
000000600920 000300000006 R_X86_64_GLOB_DAT 0000000000000000 __gmon_start__ + 0
Relocation section '.rela.plt' at offset 0x380 contains 3 entries:
Offset Info Type Sym. Value Sym. Name + Addend
000000600940 000100000007 R_X86_64_JUMP_SLO 0000000000000000 printf@GLIBC_2.2.5 + 0
000000600948 000200000007 R_X86_64_JUMP_SLO 0000000000000000 __libc_start_main@GLIBC_2.2.5 + 0
000000600950 000400000007 R_X86_64_JUMP_SLO 0000000000000000 scanf@GLIBC_2.2.5 + 0
The decoding of unwind sections for machine type Advanced Micro Devices X86-64 is not currently supported.
Symbol table '.dynsym' contains 5 entries:
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
1: 0000000000000000 0 FUNC GLOBAL DEFAULT UND printf@GLIBC_2.2.5 (2)
2: 0000000000000000 0 FUNC GLOBAL DEFAULT UND __libc_start_main@GLIBC_2.2.5 (2)
3: 0000000000000000 0 NOTYPE WEAK DEFAULT UND __gmon_start__
4: 0000000000000000 0 FUNC GLOBAL DEFAULT UND scanf@GLIBC_2.2.5 (2)
Symbol table '.symtab' contains 76 entries:
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
1: 0000000000400200 0 SECTION LOCAL DEFAULT 1
2: 000000000040021c 0 SECTION LOCAL DEFAULT 2
3: 000000000040023c 0 SECTION LOCAL DEFAULT 3
4: 0000000000400260 0 SECTION LOCAL DEFAULT 4
5: 0000000000400280 0 SECTION LOCAL DEFAULT 5
6: 00000000004002f8 0 SECTION LOCAL DEFAULT 6
7: 000000000040033e 0 SECTION LOCAL DEFAULT 7
8: 0000000000400348 0 SECTION LOCAL DEFAULT 8
9: 0000000000400368 0 SECTION LOCAL DEFAULT 9
10: 0000000000400380 0 SECTION LOCAL DEFAULT 10
11: 00000000004003c8 0 SECTION LOCAL DEFAULT 11
12: 00000000004003f0 0 SECTION LOCAL DEFAULT 12
13: 0000000000400430 0 SECTION LOCAL DEFAULT 13
14: 0000000000400440 0 SECTION LOCAL DEFAULT 14
15: 0000000000400624 0 SECTION LOCAL DEFAULT 15
16: 0000000000400630 0 SECTION LOCAL DEFAULT 16
17: 0000000000400634 0 SECTION LOCAL DEFAULT 17
18: 0000000000400660 0 SECTION LOCAL DEFAULT 18
19: 0000000000600738 0 SECTION LOCAL DEFAULT 19
20: 0000000000600740 0 SECTION LOCAL DEFAULT 20
21: 0000000000600748 0 SECTION LOCAL DEFAULT 21
22: 0000000000600750 0 SECTION LOCAL DEFAULT 22
23: 0000000000600920 0 SECTION LOCAL DEFAULT 23
24: 0000000000600928 0 SECTION LOCAL DEFAULT 24
25: 0000000000600958 0 SECTION LOCAL DEFAULT 25
26: 0000000000600980 0 SECTION LOCAL DEFAULT 26
27: 0000000000000000 0 SECTION LOCAL DEFAULT 27
28: 0000000000000000 0 FILE LOCAL DEFAULT ABS init.c
29: 0000000000000000 0 FILE LOCAL DEFAULT ABS crtstuff.c
30: 0000000000600748 0 OBJECT LOCAL DEFAULT 21 __JCR_LIST__
31: 0000000000400470 0 FUNC LOCAL DEFAULT 14 deregister_tm_clones
32: 00000000004004b0 0 FUNC LOCAL DEFAULT 14 register_tm_clones
33: 00000000004004f0 0 FUNC LOCAL DEFAULT 14 __do_global_dtors_aux
34: 0000000000600980 1 OBJECT LOCAL DEFAULT 26 completed.6945
35: 0000000000600740 0 OBJECT LOCAL DEFAULT 20 __do_global_dtors_aux_fin
36: 0000000000400510 0 FUNC LOCAL DEFAULT 14 frame_dummy
37: 0000000000600738 0 OBJECT LOCAL DEFAULT 19 __frame_dummy_init_array_
38: 0000000000000000 0 FILE LOCAL DEFAULT ABS sumOfFirstN.o
39: 0000000000600968 0 NOTYPE LOCAL DEFAULT 25 sum
40: 000000000060096c 0 NOTYPE LOCAL DEFAULT 25 n
41: 0000000000600970 0 NOTYPE LOCAL DEFAULT 25 pre_input
42: 0000000000600974 0 NOTYPE LOCAL DEFAULT 25 input_format
43: 0000000000600976 0 NOTYPE LOCAL DEFAULT 25 output_format
44: 0000000000400574 0 NOTYPE LOCAL DEFAULT 14 loop
45: 000000000040057f 0 NOTYPE LOCAL DEFAULT 14 print
46: 0000000000000000 0 FILE LOCAL DEFAULT ABS crtstuff.c
47: 0000000000400730 0 OBJECT LOCAL DEFAULT 18 __FRAME_END__
48: 0000000000600748 0 OBJECT LOCAL DEFAULT 21 __JCR_END__
49: 0000000000000000 0 FILE LOCAL DEFAULT ABS
50: 0000000000600740 0 NOTYPE LOCAL DEFAULT 19 __init_array_end
51: 0000000000600750 0 OBJECT LOCAL DEFAULT 22 _DYNAMIC
52: 0000000000600738 0 NOTYPE LOCAL DEFAULT 19 __init_array_start
53: 0000000000400634 0 NOTYPE LOCAL DEFAULT 17 __GNU_EH_FRAME_HDR
54: 0000000000600928 0 OBJECT LOCAL DEFAULT 24 _GLOBAL_OFFSET_TABLE_
55: 0000000000400620 2 FUNC GLOBAL DEFAULT 14 __libc_csu_fini
56: 0000000000000000 0 NOTYPE WEAK DEFAULT UND _ITM_deregisterTMCloneTab
57: 0000000000600958 0 NOTYPE WEAK DEFAULT 25 data_start
58: 0000000000600980 0 NOTYPE GLOBAL DEFAULT 25 _edata
59: 0000000000400624 0 FUNC GLOBAL DEFAULT 15 _fini
60: 0000000000000000 0 FUNC GLOBAL DEFAULT UND printf@@GLIBC_2.2.5
61: 0000000000000000 0 FUNC GLOBAL DEFAULT UND __libc_start_main@@GLIBC_
62: 0000000000600958 0 NOTYPE GLOBAL DEFAULT 25 __data_start
63: 0000000000000000 0 NOTYPE WEAK DEFAULT UND __gmon_start__
64: 0000000000600960 0 OBJECT GLOBAL HIDDEN 25 __dso_handle
65: 0000000000400630 4 OBJECT GLOBAL DEFAULT 16 _IO_stdin_used
66: 00000000004005b0 101 FUNC GLOBAL DEFAULT 14 __libc_csu_init
67: 0000000000600988 0 NOTYPE GLOBAL DEFAULT 26 _end
68: 0000000000400440 42 FUNC GLOBAL DEFAULT 14 _start
69: 0000000000600980 0 NOTYPE GLOBAL DEFAULT 26 __bss_start
70: 0000000000400536 0 NOTYPE GLOBAL DEFAULT 14 main
71: 0000000000000000 0 FUNC GLOBAL DEFAULT UND scanf@@GLIBC_2.2.5
72: 0000000000000000 0 NOTYPE WEAK DEFAULT UND _Jv_RegisterClasses
73: 0000000000600980 0 OBJECT GLOBAL HIDDEN 25 __TMC_END__
74: 0000000000000000 0 NOTYPE WEAK DEFAULT UND _ITM_registerTMCloneTable
75: 00000000004003c8 0 FUNC GLOBAL DEFAULT 11 _init
Version symbols section '.gnu.version' contains 5 entries:
Addr: 000000000040033e Offset: 0x00033e Link: 5 (.dynsym)
000: 0 (*local*) 2 (GLIBC_2.2.5) 2 (GLIBC_2.2.5) 0 (*local*)
004: 2 (GLIBC_2.2.5)
Version needs section '.gnu.version_r' contains 1 entries:
Addr: 0x0000000000400348 Offset: 0x000348 Link: 6 (.dynstr)
000000: Version: 1 File: libc.so.6 Cnt: 1
0x0010: Name: GLIBC_2.2.5 Flags: none Version: 2
Displaying notes found at file offset 0x0000021c with length 0x00000020:
Owner Data size Description
GNU 0x00000010 NT_GNU_ABI_TAG (ABI version tag)
OS: Linux, ABI: 2.6.32
Displaying notes found at file offset 0x0000023c with length 0x00000024:
Owner Data size Description
GNU 0x00000014 NT_GNU_BUILD_ID (unique build ID bitstring)
Build ID: fd573ab36ef30f2f20254d164226ef8d8dd7019d
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment