CSC231 Lab 2 2015
--D. Thiebaut (talk) 07:15, 21 September 2015 (EDT)
Reverse Engineering
Recreate the original assembly program whose hexdump is shown below. You should call your program lab2.asm.
00000000 7f 45 4c 46 01 01 01 00 00 00 00 00 00 00 00 00 |.ELF............|
00000010 02 00 03 00 01 00 00 00 80 80 04 08 34 00 00 00 |............4...|
00000020 e0 00 00 00 00 00 00 00 34 00 20 00 02 00 28 00 |........4. ...(.|
00000030 06 00 03 00 01 00 00 00 00 00 00 00 00 80 04 08 |................|
00000040 00 80 04 08 a2 00 00 00 a2 00 00 00 05 00 00 00 |................|
00000050 00 10 00 00 01 00 00 00 a4 00 00 00 a4 90 04 08 |................|
00000060 a4 90 04 08 14 00 00 00 14 00 00 00 06 00 00 00 |................|
00000070 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000080 b8 04 00 00 00 bb 01 00 00 00 ba 14 00 00 00 b9 |................|
00000090 a4 90 04 08 cd 80 b8 01 00 00 00 bb 00 00 00 00 |................|
000000a0 cd 80 00 00 0a 43 53 43 32 33 31 2c 20 46 61 6c |.....CSC231, Fal|
000000b0 6c 20 32 30 31 34 0a 0a 00 2e 73 79 6d 74 61 62 |l 2014....symtab|
000000c0 00 2e 73 74 72 74 61 62 00 2e 73 68 73 74 72 74 |..strtab..shstrt|
000000d0 61 62 00 2e 74 65 78 74 00 2e 64 61 74 61 00 00 |ab..text..data..|
000000e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
000000f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000100 00 00 00 00 00 00 00 00 1b 00 00 00 01 00 00 00 |................|
00000110 06 00 00 00 80 80 04 08 80 00 00 00 22 00 00 00 |............"...|
00000120 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00 00 |................|
00000130 21 00 00 00 01 00 00 00 03 00 00 00 a4 90 04 08 |!...............|
00000140 a4 00 00 00 14 00 00 00 00 00 00 00 00 00 00 00 |................|
00000150 04 00 00 00 00 00 00 00 11 00 00 00 03 00 00 00 |................|
00000160 00 00 00 00 00 00 00 00 b8 00 00 00 27 00 00 00 |............'...|
00000170 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 |................|
00000180 01 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00 |................|
00000190 d0 01 00 00 b0 00 00 00 05 00 00 00 07 00 00 00 |................|
000001a0 04 00 00 00 10 00 00 00 09 00 00 00 03 00 00 00 |................|
000001b0 00 00 00 00 00 00 00 00 80 02 00 00 35 00 00 00 |............5...|
000001c0 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 |................|
000001d0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
000001e0 00 00 00 00 80 80 04 08 00 00 00 00 03 00 01 00 |................|
000001f0 00 00 00 00 a4 90 04 08 00 00 00 00 03 00 02 00 |................|
00000200 01 00 00 00 00 00 00 00 00 00 00 00 04 00 f1 ff |................|
00000210 0a 00 00 00 a4 90 04 08 00 00 00 00 00 00 02 00 |................|
00000220 0f 00 00 00 14 00 00 00 00 00 00 00 00 00 f1 ff |................|
00000230 00 00 00 00 00 00 00 00 00 00 00 00 04 00 f1 ff |................|
00000240 16 00 00 00 80 80 04 08 00 00 00 00 10 00 01 00 |................|
00000250 1d 00 00 00 b8 90 04 08 00 00 00 00 10 00 02 00 |................|
00000260 29 00 00 00 b8 90 04 08 00 00 00 00 10 00 02 00 |)...............|
00000270 30 00 00 00 b8 90 04 08 00 00 00 00 10 00 02 00 |0...............|
00000280 00 6c 61 62 32 2e 61 73 6d 00 6d 65 73 67 00 4d |.lab2.asm.mesg.M|
00000290 53 47 4c 45 4e 00 5f 73 74 61 72 74 00 5f 5f 62 |SGLEN._start.__b|
000002a0 73 73 5f 73 74 61 72 74 00 5f 65 64 61 74 61 00 |ss_start._edata.|
000002b0 5f 65 6e 64 00 |_end.|
000002b5
