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February 3, 2019 18:29
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| estefycp@DESKTOP-6Q3FMOM:/mnt/c/Users/Estefycp/Documents/Compiladores/compilers-lecture/labs/01$ objdump -d ./simple_foo | |
| ./simple_foo: file format elf64-x86-64 | |
| Disassembly of section .init: | |
| 0000000000000528 <_init>: | |
| 528: 48 83 ec 08 sub $0x8,%rsp | |
| 52c: 48 8b 05 b5 0a 20 00 mov 0x200ab5(%rip),%rax # 200fe8 <__gmon_start__> | |
| 533: 48 85 c0 test %rax,%rax | |
| 536: 74 02 je 53a <_init+0x12> | |
| 538: ff d0 callq *%rax | |
| 53a: 48 83 c4 08 add $0x8,%rsp | |
| 53e: c3 retq | |
| Disassembly of section .plt: | |
| 0000000000000540 <.plt>: | |
| 540: ff 35 72 0a 20 00 pushq 0x200a72(%rip) # 200fb8 <_GLOBAL_OFFSET_TABLE_+0x8> | |
| 546: ff 25 74 0a 20 00 jmpq *0x200a74(%rip) # 200fc0 <_GLOBAL_OFFSET_TABLE_+0x10> | |
| 54c: 0f 1f 40 00 nopl 0x0(%rax) | |
| 0000000000000550 <puts@plt>: | |
| 550: ff 25 72 0a 20 00 jmpq *0x200a72(%rip) # 200fc8 <puts@GLIBC_2.2.5> | |
| 556: 68 00 00 00 00 pushq $0x0 | |
| 55b: e9 e0 ff ff ff jmpq 540 <.plt> | |
| 0000000000000560 <printf@plt>: | |
| 560: ff 25 6a 0a 20 00 jmpq *0x200a6a(%rip) # 200fd0 <printf@GLIBC_2.2.5> | |
| 566: 68 01 00 00 00 pushq $0x1 | |
| 56b: e9 d0 ff ff ff jmpq 540 <.plt> | |
| Disassembly of section .plt.got: | |
| 0000000000000570 <__cxa_finalize@plt>: | |
| 570: ff 25 82 0a 20 00 jmpq *0x200a82(%rip) # 200ff8 <__cxa_finalize@GLIBC_2.2.5> | |
| 576: 66 90 xchg %ax,%ax | |
| Disassembly of section .text: | |
| 0000000000000580 <_start>: | |
| 580: 31 ed xor %ebp,%ebp | |
| 582: 49 89 d1 mov %rdx,%r9 | |
| 585: 5e pop %rsi | |
| 586: 48 89 e2 mov %rsp,%rdx | |
| 589: 48 83 e4 f0 and $0xfffffffffffffff0,%rsp | |
| 58d: 50 push %rax | |
| 58e: 54 push %rsp | |
| 58f: 4c 8d 05 ea 01 00 00 lea 0x1ea(%rip),%r8 # 780 <__libc_csu_fini> | |
| 596: 48 8d 0d 73 01 00 00 lea 0x173(%rip),%rcx # 710 <__libc_csu_init> | |
| 59d: 48 8d 3d 2a 01 00 00 lea 0x12a(%rip),%rdi # 6ce <main> | |
| 5a4: ff 15 36 0a 20 00 callq *0x200a36(%rip) # 200fe0 <__libc_start_main@GLIBC_2.2.5> | |
| 5aa: f4 hlt | |
| 5ab: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) | |
| 00000000000005b0 <deregister_tm_clones>: | |
| 5b0: 48 8d 3d 59 0a 20 00 lea 0x200a59(%rip),%rdi # 201010 <__TMC_END__> | |
| 5b7: 55 push %rbp | |
| 5b8: 48 8d 05 51 0a 20 00 lea 0x200a51(%rip),%rax # 201010 <__TMC_END__> | |
| 5bf: 48 39 f8 cmp %rdi,%rax | |
| 5c2: 48 89 e5 mov %rsp,%rbp | |
| 5c5: 74 19 je 5e0 <deregister_tm_clones+0x30> | |
| 5c7: 48 8b 05 0a 0a 20 00 mov 0x200a0a(%rip),%rax # 200fd8 <_ITM_deregisterTMCloneTable> | |
| 5ce: 48 85 c0 test %rax,%rax | |
| 5d1: 74 0d je 5e0 <deregister_tm_clones+0x30> | |
| 5d3: 5d pop %rbp | |
| 5d4: ff e0 jmpq *%rax | |
| 5d6: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) | |
| 5dd: 00 00 00 | |
| 5e0: 5d pop %rbp | |
| 5e1: c3 retq | |
| 5e2: 0f 1f 40 00 nopl 0x0(%rax) | |
| 5e6: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) | |
| 5ed: 00 00 00 | |
| 00000000000005f0 <register_tm_clones>: | |
| 5f0: 48 8d 3d 19 0a 20 00 lea 0x200a19(%rip),%rdi # 201010 <__TMC_END__> | |
| 5f7: 48 8d 35 12 0a 20 00 lea 0x200a12(%rip),%rsi # 201010 <__TMC_END__> | |
| 5fe: 55 push %rbp | |
| 5ff: 48 29 fe sub %rdi,%rsi | |
| 602: 48 89 e5 mov %rsp,%rbp | |
| 605: 48 c1 fe 03 sar $0x3,%rsi | |
| 609: 48 89 f0 mov %rsi,%rax | |
| 60c: 48 c1 e8 3f shr $0x3f,%rax | |
| 610: 48 01 c6 add %rax,%rsi | |
| 613: 48 d1 fe sar %rsi | |
| 616: 74 18 je 630 <register_tm_clones+0x40> | |
| 618: 48 8b 05 d1 09 20 00 mov 0x2009d1(%rip),%rax # 200ff0 <_ITM_registerTMCloneTable> | |
| 61f: 48 85 c0 test %rax,%rax | |
| 622: 74 0c je 630 <register_tm_clones+0x40> | |
| 624: 5d pop %rbp | |
| 625: ff e0 jmpq *%rax | |
| 627: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) | |
| 62e: 00 00 | |
| 630: 5d pop %rbp | |
| 631: c3 retq | |
| 632: 0f 1f 40 00 nopl 0x0(%rax) | |
| 636: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) | |
| 63d: 00 00 00 | |
| 0000000000000640 <__do_global_dtors_aux>: | |
| 640: 80 3d c9 09 20 00 00 cmpb $0x0,0x2009c9(%rip) # 201010 <__TMC_END__> | |
| 647: 75 2f jne 678 <__do_global_dtors_aux+0x38> | |
| 649: 48 83 3d a7 09 20 00 cmpq $0x0,0x2009a7(%rip) # 200ff8 <__cxa_finalize@GLIBC_2.2.5> | |
| 650: 00 | |
| 651: 55 push %rbp | |
| 652: 48 89 e5 mov %rsp,%rbp | |
| 655: 74 0c je 663 <__do_global_dtors_aux+0x23> | |
| 657: 48 8b 3d aa 09 20 00 mov 0x2009aa(%rip),%rdi # 201008 <__dso_handle> | |
| 65e: e8 0d ff ff ff callq 570 <__cxa_finalize@plt> | |
| 663: e8 48 ff ff ff callq 5b0 <deregister_tm_clones> | |
| 668: c6 05 a1 09 20 00 01 movb $0x1,0x2009a1(%rip) # 201010 <__TMC_END__> | |
| 66f: 5d pop %rbp | |
| 670: c3 retq | |
| 671: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) | |
| 678: f3 c3 repz retq | |
| 67a: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) | |
| 0000000000000680 <frame_dummy>: | |
| 680: 55 push %rbp | |
| 681: 48 89 e5 mov %rsp,%rbp | |
| 684: 5d pop %rbp | |
| 685: e9 66 ff ff ff jmpq 5f0 <register_tm_clones> | |
| 000000000000068a <foo>: | |
| 68a: 55 push %rbp | |
| 68b: 48 89 e5 mov %rsp,%rbp | |
| 68e: f3 0f 10 05 0e 01 00 movss 0x10e(%rip),%xmm0 # 7a4 <_IO_stdin_used+0x14> | |
| 695: 00 | |
| 696: f3 0f 11 45 f4 movss %xmm0,-0xc(%rbp) | |
| 69b: f3 0f 10 05 01 01 00 movss 0x101(%rip),%xmm0 # 7a4 <_IO_stdin_used+0x14> | |
| 6a2: 00 | |
| 6a3: f3 0f 11 45 f8 movss %xmm0,-0x8(%rbp) | |
| 6a8: f3 0f 10 4d f4 movss -0xc(%rbp),%xmm1 | |
| 6ad: f3 0f 10 05 f3 00 00 movss 0xf3(%rip),%xmm0 # 7a8 <_IO_stdin_used+0x18> | |
| 6b4: 00 | |
| 6b5: f3 0f 59 c1 mulss %xmm1,%xmm0 | |
| 6b9: f3 0f 10 4d f8 movss -0x8(%rbp),%xmm1 | |
| 6be: f3 0f 58 c1 addss %xmm1,%xmm0 | |
| 6c2: f3 0f 11 45 fc movss %xmm0,-0x4(%rbp) | |
| 6c7: f3 0f 10 45 fc movss -0x4(%rbp),%xmm0 | |
| 6cc: 5d pop %rbp | |
| 6cd: c3 retq | |
| 00000000000006ce <main>: | |
| 6ce: 55 push %rbp | |
| 6cf: 48 89 e5 mov %rsp,%rbp | |
| 6d2: 48 83 ec 10 sub $0x10,%rsp | |
| 6d6: 48 8d 3d b7 00 00 00 lea 0xb7(%rip),%rdi # 794 <_IO_stdin_used+0x4> | |
| 6dd: e8 6e fe ff ff callq 550 <puts@plt> | |
| 6e2: b8 00 00 00 00 mov $0x0,%eax | |
| 6e7: e8 9e ff ff ff callq 68a <foo> | |
| 6ec: 66 0f 7e c0 movd %xmm0,%eax | |
| 6f0: 89 45 fc mov %eax,-0x4(%rbp) | |
| 6f3: f3 0f 5a 45 fc cvtss2sd -0x4(%rbp),%xmm0 | |
| 6f8: 48 8d 3d a1 00 00 00 lea 0xa1(%rip),%rdi # 7a0 <_IO_stdin_used+0x10> | |
| 6ff: b8 01 00 00 00 mov $0x1,%eax | |
| 704: e8 57 fe ff ff callq 560 <printf@plt> | |
| 709: b8 00 00 00 00 mov $0x0,%eax | |
| 70e: c9 leaveq | |
| 70f: c3 retq | |
| 0000000000000710 <__libc_csu_init>: | |
| 710: 41 57 push %r15 | |
| 712: 41 56 push %r14 | |
| 714: 49 89 d7 mov %rdx,%r15 | |
| 717: 41 55 push %r13 | |
| 719: 41 54 push %r12 | |
| 71b: 4c 8d 25 8e 06 20 00 lea 0x20068e(%rip),%r12 # 200db0 <__frame_dummy_init_array_entry> | |
| 722: 55 push %rbp | |
| 723: 48 8d 2d 8e 06 20 00 lea 0x20068e(%rip),%rbp # 200db8 <__init_array_end> | |
| 72a: 53 push %rbx | |
| 72b: 41 89 fd mov %edi,%r13d | |
| 72e: 49 89 f6 mov %rsi,%r14 | |
| 731: 4c 29 e5 sub %r12,%rbp | |
| 734: 48 83 ec 08 sub $0x8,%rsp | |
| 738: 48 c1 fd 03 sar $0x3,%rbp | |
| 73c: e8 e7 fd ff ff callq 528 <_init> | |
| 741: 48 85 ed test %rbp,%rbp | |
| 744: 74 20 je 766 <__libc_csu_init+0x56> | |
| 746: 31 db xor %ebx,%ebx | |
| 748: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) | |
| 74f: 00 | |
| 750: 4c 89 fa mov %r15,%rdx | |
| 753: 4c 89 f6 mov %r14,%rsi | |
| 756: 44 89 ef mov %r13d,%edi | |
| 759: 41 ff 14 dc callq *(%r12,%rbx,8) | |
| 75d: 48 83 c3 01 add $0x1,%rbx | |
| 761: 48 39 dd cmp %rbx,%rbp | |
| 764: 75 ea jne 750 <__libc_csu_init+0x40> | |
| 766: 48 83 c4 08 add $0x8,%rsp | |
| 76a: 5b pop %rbx | |
| 76b: 5d pop %rbp | |
| 76c: 41 5c pop %r12 | |
| 76e: 41 5d pop %r13 | |
| 770: 41 5e pop %r14 | |
| 772: 41 5f pop %r15 | |
| 774: c3 retq | |
| 775: 90 nop | |
| 776: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) | |
| 77d: 00 00 00 | |
| 0000000000000780 <__libc_csu_fini>: | |
| 780: f3 c3 repz retq | |
| Disassembly of section .fini: | |
| 0000000000000784 <_fini>: | |
| 784: 48 83 ec 08 sub $0x8,%rsp | |
| 788: 48 83 c4 08 add $0x8,%rsp | |
| 78c: c3 retq | |
| estefycp@DESKTOP-6Q3FMOM:/mnt/c/Users/Estefycp/Documents/Compiladores/compilers-lecture/labs/01$ bash asm-analytics.sh | |
| Hi, this is the output of the analyisis: | |
| You have 32 kind of instructions in this object file: | |
| You have executed 23 mov instructions | |
| You have executed 14 push instructions | |
| You have executed 14 pop instructions | |
| You have executed 11 lea instructions | |
| You have executed 9 movss instructions | |
| You have executed 9 jmpq instructions | |
| You have executed 9 callq instructions | |
| You have executed 8 retq instructions | |
| You have executed 7 je instructions | |
| You have executed 6 sub instructions | |
| You have executed 6 nopw instructions | |
| You have executed 6 nopl instructions | |
| You have executed 5 add instructions | |
| You have executed 4 test instructions | |
| You have executed 3 sar instructions | |
| You have executed 3 pushq instructions | |
| You have executed 2 xor instructions | |
| You have executed 2 repz instructions | |
| You have executed 2 jne instructions | |
| You have executed 2 cmp instructions | |
| You have executed 1 xchg instructions | |
| You have executed 1 shr instructions | |
| You have executed 1 mulss instructions | |
| You have executed 1 movd instructions | |
| You have executed 1 movb instructions | |
| You have executed 1 leaveq instructions | |
| You have executed 1 hlt instructions | |
| You have executed 1 cvtss2sd instructions | |
| You have executed 1 cmpq instructions | |
| You have executed 1 cmpb instructions | |
| You have executed 1 and instructions | |
| You have executed 1 addss instructions | |
| You have 2 functions: | |
| foo Located at 000000000000068a | |
| main Located at 00000000000006ce |
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