objdump命令
1 --archive-headers 2 -a 3 显示档案库的成员信息,类似ls -l将lib*.a的信息列出。 4 5 -b bfdname 6 --target=bfdname 7 指定目标码格式。这不是必须的，objdump能自动识别许多格式，比如： 8 9 objdump -b oasys -m vax -h fu.o 10 显示fu.o的头部摘要信息，明确指出该文件是Vax系统下用Oasys编译器生成的目标文件。objdump -i将给出这里可以指定的目标码格式列表。 11 12 -C 13 --demangle 14 将底层的符号名解码成用户级名字，除了去掉所开头的下划线之外，还使得C++函数名以可理解的方式显示出来。 15 16 --debugging 17 -g 18 显示调试信息。企图解析保存在文件中的调试信息并以C语言的语法显示出来。仅仅支持某些类型的调试信息。有些其他的格式被readelf -w支持。 19 20 -e 21 --debugging-tags 22 类似-g选项，但是生成的信息是和ctags工具相兼容的格式。 23 24 --disassemble 25 -d 26 从objfile中反汇编那些特定指令机器码的section。 27 28 -D 29 --disassemble-all 30 与 -d 类似，但反汇编所有section. 31 32 -EB 33 -EL 34 --endian={big|little} 35 指定目标文件的小端。这个项将影响反汇编出来的指令。在反汇编的文件没描述小端信息的时候用。例如S-records. 36 37 38 -f 39 --file-headers 40 显示objfile中每个文件的整体头部摘要信息。 41 42 -h 43 --section-headers 44 --headers 45 显示目标文件各个section的头部摘要信息。 46 47 -H 48 --help 49 简短的帮助信息。 50 51 -i 52 --info 53 显示对于 -b 或者 -m 选项可用的架构和目标格式列表。 54 55 -j name 56 --section=name 57 仅仅显示指定名称为name的section的信息 58 59 -l 60 --line-numbers 61 用文件名和行号标注相应的目标代码，仅仅和-d、-D或者-r一起使用使用-ld和使用-d的区别不是很大，在源码级调试的时候有用，要求编译时使用了-g之类的调试编译选项。 62 63 -m machine 64 --architecture=machine 65 指定反汇编目标文件时使用的架构，当待反汇编文件本身没描述架构信息的时候(比如S-records)，这个选项很有用。可以用-i选项列出这里能够指定的架构. 66 67 --reloc 68 -r 69 显示文件的重定位入口。如果和-d或者-D一起使用，重定位部分以反汇编后的格式显示出来。 70 71 --dynamic-reloc 72 -R 73 显示文件的动态重定位入口，仅仅对于动态目标文件意义，比如某些共享库。 74 75 -s 76 --full-contents 77 显示指定section的完整内容。默认所有的非空section都会被显示。 78 79 -S 80 --source 81 尽可能反汇编出源代码，尤其当编译的时候指定了-g这种调试参数时，效果比较明显。隐含了-d参数。 82 83 --show-raw-insn 84 反汇编的时候，显示每条汇编指令对应的机器码，如不指定--prefix-addresses，这将是缺省选项。 85 86 --no-show-raw-insn 87 反汇编时，不显示汇编指令的机器码，如不指定--prefix-addresses，这将是缺省选项。 88 89 --start-address=address 90 从指定地址开始显示数据，该选项影响-d、-r和-s选项的输出。 91 92 --stop-address=address 93 显示数据直到指定地址为止，该项影响-d、-r和-s选项的输出。 94 95 -t 96 --syms 97 显示文件的符号表入口。类似于nm -s提供的信息 98 99 100 -T 101 --dynamic-syms 102 显示文件的动态符号表入口，仅仅对动态目标文件意义，比如某些共享库。它显示的信息类似于 nm -D|--dynamic 显示的信息。 103 104 -V 105 --version 106 版本信息 107 108 --all-headers 109 -x 110 显示所可用的头信息，包括符号表、重定位入口。-x 等价于-a -f -h -r -t 同时指定。 111 112 -z 113 --disassemble-zeroes 114 一般反汇编输出将省略大块的零，该选项使得这些零块也被反汇编。 115 116 @file 可以将选项集中到一个文件中，然后使用这个@file选项载入。
例如：针对代码study.c：
1 #include <stdio.h> 2 3 #define NUMBER_1 1 4 #define NUMBER_2 2 5 6 int main(int argc, char **argv) 7 { 8 int a; 9 int b; 10 int c; 11 a = NUMBER_1; //This is be deleted by pre-processing 12 b = NUMBER_2; 13 c = a + b; 14 15 printf("Output c: %d\n", c); 16 17 return 0; 18 }
编译：gcc -g study.c -o study
显示study文件中text段的内容
objdump --section=.text -s study study: file format elf64-x86-64 Contents of section .text: 1060 f30f1efa 31ed4989 d15e4889 e24883e4 ....1.I..^H..H.. 1070 f0505445 31c031c9 488d3dca 000000ff .PTE1.1.H.=..... 1080 15532f00 00f4662e 0f1f8400 00000000 .S/...f......... 1090 488d3d79 2f000048 8d05722f 00004839 H.=y/..H..r/..H9 10a0 f8741548 8b05362f 00004885 c07409ff .t.H..6/..H..t.. 10b0 e00f1f80 00000000 c30f1f80 00000000 ................ 10c0 488d3d49 2f000048 8d35422f 00004829 H.=I/..H.5B/..H) 10d0 fe4889f0 48c1ee3f 48c1f803 4801c648 .H..H..?H...H..H 10e0 d1fe7414 488b0505 2f000048 85c07408 ..t.H.../..H..t. 10f0 ffe0660f 1f440000 c30f1f80 00000000 ..f..D.......... 1100 f30f1efa 803d052f 00000075 2b554883 .....=./...u+UH. 1110 3de22e00 00004889 e5740c48 8b3de62e =.....H..t.H.=.. 1120 0000e819 ffffffe8 64ffffff c605dd2e ........d....... 1130 0000015d c30f1f00 c30f1f80 00000000 ...]............ 1140 f30f1efa e977ffff fff30f1e fa554889 .....w.......UH. 1150 e54883ec 20897dec 488975e0 c745f401 .H.. .}.H.u..E.. 1160 000000c7 45f80200 00008b55 f48b45f8 ....E......U..E. 1170 01d08945 fc8b45fc 89c6488d 05830e00 ...E..E...H..... 1180 004889c7 b8000000 00e8c2fe ffffb800 .H.............. 1190 000000c9 c3
反汇编study中的text段内容，并尽可能用源代码形式展示：
objdump --section=.text -S study
study: file format elf64-x86-64
Disassembly of section .text:
0000000000001060 <_start>:
1060: f3 0f 1e fa endbr64
1064: 31 ed xor %ebp,%ebp
1066: 49 89 d1 mov %rdx,%r9
1069: 5e pop %rsi
106a: 48 89 e2 mov %rsp,%rdx
106d: 48 83 e4 f0 and $0xfffffffffffffff0,%rsp
1071: 50 push %rax
1072: 54 push %rsp
1073: 45 31 c0 xor %r8d,%r8d
1076: 31 c9 xor %ecx,%ecx
1078: 48 8d 3d ca 00 00 00 lea 0xca(%rip),%rdi # 1149 <main>
107f: ff 15 53 2f 00 00 call *0x2f53(%rip) # 3fd8 <__libc_start_main@GLIBC_2.34>
1085: f4 hlt
1086: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
108d: 00 00 00
0000000000001090 <deregister_tm_clones>:
1090: 48 8d 3d 79 2f 00 00 lea 0x2f79(%rip),%rdi # 4010 <__TMC_END__>
1097: 48 8d 05 72 2f 00 00 lea 0x2f72(%rip),%rax # 4010 <__TMC_END__>
109e: 48 39 f8 cmp %rdi,%rax
10a1: 74 15 je 10b8 <deregister_tm_clones+0x28>
10a3: 48 8b 05 36 2f 00 00 mov 0x2f36(%rip),%rax # 3fe0 <_ITM_deregisterTMCloneTable@Base>
10aa: 48 85 c0 test %rax,%rax
10ad: 74 09 je 10b8 <deregister_tm_clones+0x28>
10af: ff e0 jmp *%rax
10b1: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
10b8: c3 ret
10b9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
00000000000010c0 <register_tm_clones>:
10c0: 48 8d 3d 49 2f 00 00 lea 0x2f49(%rip),%rdi # 4010 <__TMC_END__>
10c7: 48 8d 35 42 2f 00 00 lea 0x2f42(%rip),%rsi # 4010 <__TMC_END__>
10ce: 48 29 fe sub %rdi,%rsi
10d1: 48 89 f0 mov %rsi,%rax
10d4: 48 c1 ee 3f shr $0x3f,%rsi
10d8: 48 c1 f8 03 sar $0x3,%rax
10dc: 48 01 c6 add %rax,%rsi
10df: 48 d1 fe sar %rsi
10e2: 74 14 je 10f8 <register_tm_clones+0x38>
10e4: 48 8b 05 05 2f 00 00 mov 0x2f05(%rip),%rax # 3ff0 <_ITM_registerTMCloneTable@Base>
10eb: 48 85 c0 test %rax,%rax
10ee: 74 08 je 10f8 <register_tm_clones+0x38>
10f0: ff e0 jmp *%rax
10f2: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1)
10f8: c3 ret
10f9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
0000000000001100 <__do_global_dtors_aux>:
1100: f3 0f 1e fa endbr64
1104: 80 3d 05 2f 00 00 00 cmpb $0x0,0x2f05(%rip) # 4010 <__TMC_END__>
110b: 75 2b jne 1138 <__do_global_dtors_aux+0x38>
110d: 55 push %rbp
110e: 48 83 3d e2 2e 00 00 cmpq $0x0,0x2ee2(%rip) # 3ff8 <__cxa_finalize@GLIBC_2.2.5>
1115: 00
1116: 48 89 e5 mov %rsp,%rbp
1119: 74 0c je 1127 <__do_global_dtors_aux+0x27>
111b: 48 8b 3d e6 2e 00 00 mov 0x2ee6(%rip),%rdi # 4008 <__dso_handle>
1122: e8 19 ff ff ff call 1040 <__cxa_finalize@plt>
1127: e8 64 ff ff ff call 1090 <deregister_tm_clones>
112c: c6 05 dd 2e 00 00 01 movb $0x1,0x2edd(%rip) # 4010 <__TMC_END__>
1133: 5d pop %rbp
1134: c3 ret
1135: 0f 1f 00 nopl (%rax)
1138: c3 ret
1139: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
0000000000001140 <frame_dummy>:
1140: f3 0f 1e fa endbr64
1144: e9 77 ff ff ff jmp 10c0 <register_tm_clones>
0000000000001149 <main>:
objdump: Warning: source file /home/guochaoxxl/tmp/study.c is more recent than object file
#define NUMBER_1 1
#define NUMBER_2 2
int main(int argc, char **argv)
{
1149: f3 0f 1e fa endbr64
114d: 55 push %rbp
114e: 48 89 e5 mov %rsp,%rbp
1151: 48 83 ec 20 sub $0x20,%rsp
1155: 89 7d ec mov %edi,-0x14(%rbp)
1158: 48 89 75 e0 mov %rsi,-0x20(%rbp)
int a;
int b;
int c;
a = NUMBER_1; //This is be deleted by pre-processing
115c: c7 45 f4 01 00 00 00 movl $0x1,-0xc(%rbp)
b = NUMBER_2;
1163: c7 45 f8 02 00 00 00 movl $0x2,-0x8(%rbp)
c = a + b;
116a: 8b 55 f4 mov -0xc(%rbp),%edx
116d: 8b 45 f8 mov -0x8(%rbp),%eax
1170: 01 d0 add %edx,%eax
1172: 89 45 fc mov %eax,-0x4(%rbp)
printf("Output c: %d\n", c);
1175: 8b 45 fc mov -0x4(%rbp),%eax
1178: 89 c6 mov %eax,%esi
117a: 48 8d 05 83 0e 00 00 lea 0xe83(%rip),%rax # 2004 <_IO_stdin_used+0x4>
1181: 48 89 c7 mov %rax,%rdi
1184: b8 00 00 00 00 mov $0x0,%eax
1189: e8 c2 fe ff ff call 1050 <printf@plt>
return 0;
118e: b8 00 00 00 00 mov $0x0,%eax
}
1193: c9 leave
1194: c3 ret
反汇编出study.o的源代码：
objdump -S study study: file format elf64-x86-64 Disassembly of section .init: 0000000000001000 <_init>: 1000: f3 0f 1e fa endbr64 1004: 48 83 ec 08 sub $0x8,%rsp 1008: 48 8b 05 d9 2f 00 00 mov 0x2fd9(%rip),%rax # 3fe8 <__gmon_start__@Base> 100f: 48 85 c0 test %rax,%rax 1012: 74 02 je 1016 <_init+0x16> 1014: ff d0 call *%rax 1016: 48 83 c4 08 add $0x8,%rsp 101a: c3 ret Disassembly of section .plt: 0000000000001020 <.plt>: 1020: ff 35 9a 2f 00 00 push 0x2f9a(%rip) # 3fc0 <_GLOBAL_OFFSET_TABLE_+0x8> 1026: f2 ff 25 9b 2f 00 00 bnd jmp *0x2f9b(%rip) # 3fc8 <_GLOBAL_OFFSET_TABLE_+0x10> 102d: 0f 1f 00 nopl (%rax) 1030: f3 0f 1e fa endbr64 1034: 68 00 00 00 00 push $0x0 1039: f2 e9 e1 ff ff ff bnd jmp 1020 <_init+0x20> 103f: 90 nop Disassembly of section .plt.got: 0000000000001040 <__cxa_finalize@plt>: 1040: f3 0f 1e fa endbr64 1044: f2 ff 25 ad 2f 00 00 bnd jmp *0x2fad(%rip) # 3ff8 <__cxa_finalize@GLIBC_2.2.5> 104b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) Disassembly of section .plt.sec: 0000000000001050 <printf@plt>: 1050: f3 0f 1e fa endbr64 1054: f2 ff 25 75 2f 00 00 bnd jmp *0x2f75(%rip) # 3fd0 <printf@GLIBC_2.2.5> 105b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) Disassembly of section .text: 0000000000001060 <_start>: 1060: f3 0f 1e fa endbr64 1064: 31 ed xor %ebp,%ebp 1066: 49 89 d1 mov %rdx,%r9 1069: 5e pop %rsi 106a: 48 89 e2 mov %rsp,%rdx 106d: 48 83 e4 f0 and $0xfffffffffffffff0,%rsp 1071: 50 push %rax 1072: 54 push %rsp 1073: 45 31 c0 xor %r8d,%r8d 1076: 31 c9 xor %ecx,%ecx 1078: 48 8d 3d ca 00 00 00 lea 0xca(%rip),%rdi # 1149 <main> 107f: ff 15 53 2f 00 00 call *0x2f53(%rip) # 3fd8 <__libc_start_main@GLIBC_2.34> 1085: f4 hlt 1086: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 108d: 00 00 00 0000000000001090 <deregister_tm_clones>: 1090: 48 8d 3d 79 2f 00 00 lea 0x2f79(%rip),%rdi # 4010 <__TMC_END__> 1097: 48 8d 05 72 2f 00 00 lea 0x2f72(%rip),%rax # 4010 <__TMC_END__> 109e: 48 39 f8 cmp %rdi,%rax 10a1: 74 15 je 10b8 <deregister_tm_clones+0x28> 10a3: 48 8b 05 36 2f 00 00 mov 0x2f36(%rip),%rax # 3fe0 <_ITM_deregisterTMCloneTable@Base> 10aa: 48 85 c0 test %rax,%rax 10ad: 74 09 je 10b8 <deregister_tm_clones+0x28> 10af: ff e0 jmp *%rax 10b1: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 10b8: c3 ret 10b9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 00000000000010c0 <register_tm_clones>: 10c0: 48 8d 3d 49 2f 00 00 lea 0x2f49(%rip),%rdi # 4010 <__TMC_END__> 10c7: 48 8d 35 42 2f 00 00 lea 0x2f42(%rip),%rsi # 4010 <__TMC_END__> 10ce: 48 29 fe sub %rdi,%rsi 10d1: 48 89 f0 mov %rsi,%rax 10d4: 48 c1 ee 3f shr $0x3f,%rsi 10d8: 48 c1 f8 03 sar $0x3,%rax 10dc: 48 01 c6 add %rax,%rsi 10df: 48 d1 fe sar %rsi 10e2: 74 14 je 10f8 <register_tm_clones+0x38> 10e4: 48 8b 05 05 2f 00 00 mov 0x2f05(%rip),%rax # 3ff0 <_ITM_registerTMCloneTable@Base> 10eb: 48 85 c0 test %rax,%rax 10ee: 74 08 je 10f8 <register_tm_clones+0x38> 10f0: ff e0 jmp *%rax 10f2: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 10f8: c3 ret 10f9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 0000000000001100 <__do_global_dtors_aux>: 1100: f3 0f 1e fa endbr64 1104: 80 3d 05 2f 00 00 00 cmpb $0x0,0x2f05(%rip) # 4010 <__TMC_END__> 110b: 75 2b jne 1138 <__do_global_dtors_aux+0x38> 110d: 55 push %rbp 110e: 48 83 3d e2 2e 00 00 cmpq $0x0,0x2ee2(%rip) # 3ff8 <__cxa_finalize@GLIBC_2.2.5> 1115: 00 1116: 48 89 e5 mov %rsp,%rbp 1119: 74 0c je 1127 <__do_global_dtors_aux+0x27> 111b: 48 8b 3d e6 2e 00 00 mov 0x2ee6(%rip),%rdi # 4008 <__dso_handle> 1122: e8 19 ff ff ff call 1040 <__cxa_finalize@plt> 1127: e8 64 ff ff ff call 1090 <deregister_tm_clones> 112c: c6 05 dd 2e 00 00 01 movb $0x1,0x2edd(%rip) # 4010 <__TMC_END__> 1133: 5d pop %rbp 1134: c3 ret 1135: 0f 1f 00 nopl (%rax) 1138: c3 ret 1139: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 0000000000001140 <frame_dummy>: 1140: f3 0f 1e fa endbr64 1144: e9 77 ff ff ff jmp 10c0 <register_tm_clones> 0000000000001149 <main>: objdump: Warning: source file /home/guochaoxxl/tmp/study.c is more recent than object file #define NUMBER_1 1 #define NUMBER_2 2 int main(int argc, char **argv) { 1149: f3 0f 1e fa endbr64 114d: 55 push %rbp 114e: 48 89 e5 mov %rsp,%rbp 1151: 48 83 ec 20 sub $0x20,%rsp 1155: 89 7d ec mov %edi,-0x14(%rbp) 1158: 48 89 75 e0 mov %rsi,-0x20(%rbp) int a; int b; int c; a = NUMBER_1; //This is be deleted by pre-processing 115c: c7 45 f4 01 00 00 00 movl $0x1,-0xc(%rbp) b = NUMBER_2; 1163: c7 45 f8 02 00 00 00 movl $0x2,-0x8(%rbp) c = a + b; 116a: 8b 55 f4 mov -0xc(%rbp),%edx 116d: 8b 45 f8 mov -0x8(%rbp),%eax 1170: 01 d0 add %edx,%eax 1172: 89 45 fc mov %eax,-0x4(%rbp) printf("Output c: %d\n", c); 1175: 8b 45 fc mov -0x4(%rbp),%eax 1178: 89 c6 mov %eax,%esi 117a: 48 8d 05 83 0e 00 00 lea 0xe83(%rip),%rax # 2004 <_IO_stdin_used+0x4> 1181: 48 89 c7 mov %rax,%rdi 1184: b8 00 00 00 00 mov $0x0,%eax 1189: e8 c2 fe ff ff call 1050 <printf@plt> return 0; 118e: b8 00 00 00 00 mov $0x0,%eax } 1193: c9 leave 1194: c3 ret Disassembly of section .fini: 0000000000001198 <_fini>: 1198: f3 0f 1e fa endbr64 119c: 48 83 ec 08 sub $0x8,%rsp 11a0: 48 83 c4 08 add $0x8,%rsp 11a4: c3 ret
显示文件的符号表入口：
objdump -t study study: file format elf64-x86-64 SYMBOL TABLE: 0000000000000000 l df *ABS* 0000000000000000 Scrt1.o 000000000000038c l O .note.ABI-tag 0000000000000020 __abi_tag 0000000000000000 l df *ABS* 0000000000000000 crtstuff.c 0000000000001090 l F .text 0000000000000000 deregister_tm_clones 00000000000010c0 l F .text 0000000000000000 register_tm_clones 0000000000001100 l F .text 0000000000000000 __do_global_dtors_aux 0000000000004010 l O .bss 0000000000000001 completed.0 0000000000003dc0 l O .fini_array 0000000000000000 __do_global_dtors_aux_fini_array_entry 0000000000001140 l F .text 0000000000000000 frame_dummy 0000000000003db8 l O .init_array 0000000000000000 __frame_dummy_init_array_entry 0000000000000000 l df *ABS* 0000000000000000 study.c 0000000000000000 l df *ABS* 0000000000000000 crtstuff.c 00000000000020f0 l O .eh_frame 0000000000000000 __FRAME_END__ 0000000000000000 l df *ABS* 0000000000000000 0000000000003dc8 l O .dynamic 0000000000000000 _DYNAMIC 0000000000002014 l .eh_frame_hdr 0000000000000000 __GNU_EH_FRAME_HDR 0000000000003fb8 l O .got 0000000000000000 _GLOBAL_OFFSET_TABLE_ 0000000000000000 F *UND* 0000000000000000 __libc_start_main@GLIBC_2.34 0000000000000000 w *UND* 0000000000000000 _ITM_deregisterTMCloneTable 0000000000004000 w .data 0000000000000000 data_start 0000000000004010 g .data 0000000000000000 _edata 0000000000001198 g F .fini 0000000000000000 .hidden _fini 0000000000000000 F *UND* 0000000000000000 printf@GLIBC_2.2.5 0000000000004000 g .data 0000000000000000 __data_start 0000000000000000 w *UND* 0000000000000000 __gmon_start__ 0000000000004008 g O .data 0000000000000000 .hidden __dso_handle 0000000000002000 g O .rodata 0000000000000004 _IO_stdin_used 0000000000004018 g .bss 0000000000000000 _end 0000000000001060 g F .text 0000000000000026 _start 0000000000004010 g .bss 0000000000000000 __bss_start 0000000000001149 g F .text 000000000000004c main 0000000000004010 g O .data 0000000000000000 .hidden __TMC_END__ 0000000000000000 w *UND* 0000000000000000 _ITM_registerTMCloneTable 0000000000000000 w F *UND* 0000000000000000 __cxa_finalize@GLIBC_2.2.5 0000000000001000 g F .init 0000000000000000 .hidden _init
显示文件的符号表入口，将底层符号解码并表示成用户级别：
objdump -t -C study study: file format elf64-x86-64 SYMBOL TABLE: 0000000000000000 l df *ABS* 0000000000000000 Scrt1.o 000000000000038c l O .note.ABI-tag 0000000000000020 __abi_tag 0000000000000000 l df *ABS* 0000000000000000 crtstuff.c 0000000000001090 l F .text 0000000000000000 deregister_tm_clones 00000000000010c0 l F .text 0000000000000000 register_tm_clones 0000000000001100 l F .text 0000000000000000 __do_global_dtors_aux 0000000000004010 l O .bss 0000000000000001 completed.0 0000000000003dc0 l O .fini_array 0000000000000000 __do_global_dtors_aux_fini_array_entry 0000000000001140 l F .text 0000000000000000 frame_dummy 0000000000003db8 l O .init_array 0000000000000000 __frame_dummy_init_array_entry 0000000000000000 l df *ABS* 0000000000000000 study.c 0000000000000000 l df *ABS* 0000000000000000 crtstuff.c 00000000000020f0 l O .eh_frame 0000000000000000 __FRAME_END__ 0000000000000000 l df *ABS* 0000000000000000 0000000000003dc8 l O .dynamic 0000000000000000 _DYNAMIC 0000000000002014 l .eh_frame_hdr 0000000000000000 __GNU_EH_FRAME_HDR 0000000000003fb8 l O .got 0000000000000000 _GLOBAL_OFFSET_TABLE_ 0000000000000000 F *UND* 0000000000000000 __libc_start_main@GLIBC_2.34 0000000000000000 w *UND* 0000000000000000 _ITM_deregisterTMCloneTable 0000000000004000 w .data 0000000000000000 data_start 0000000000004010 g .data 0000000000000000 _edata 0000000000001198 g F .fini 0000000000000000 .hidden _fini 0000000000000000 F *UND* 0000000000000000 printf@GLIBC_2.2.5 0000000000004000 g .data 0000000000000000 __data_start 0000000000000000 w *UND* 0000000000000000 __gmon_start__ 0000000000004008 g O .data 0000000000000000 .hidden __dso_handle 0000000000002000 g O .rodata 0000000000000004 _IO_stdin_used 0000000000004018 g .bss 0000000000000000 _end 0000000000001060 g F .text 0000000000000026 _start 0000000000004010 g .bss 0000000000000000 __bss_start 0000000000001149 g F .text 000000000000004c main 0000000000004010 g O .data 0000000000000000 .hidden __TMC_END__ 0000000000000000 w *UND* 0000000000000000 _ITM_registerTMCloneTable 0000000000000000 w F *UND* 0000000000000000 __cxa_finalize@GLIBC_2.2.5 0000000000001000 g F .init 0000000000000000 .hidden _init
反汇编目标文件的特定机器码段：
objdump -d study study: file format elf64-x86-64 Disassembly of section .init: 0000000000001000 <_init>: 1000: f3 0f 1e fa endbr64 1004: 48 83 ec 08 sub $0x8,%rsp 1008: 48 8b 05 d9 2f 00 00 mov 0x2fd9(%rip),%rax # 3fe8 <__gmon_start__@Base> 100f: 48 85 c0 test %rax,%rax 1012: 74 02 je 1016 <_init+0x16> 1014: ff d0 call *%rax 1016: 48 83 c4 08 add $0x8,%rsp 101a: c3 ret Disassembly of section .plt: 0000000000001020 <.plt>: 1020: ff 35 9a 2f 00 00 push 0x2f9a(%rip) # 3fc0 <_GLOBAL_OFFSET_TABLE_+0x8> 1026: f2 ff 25 9b 2f 00 00 bnd jmp *0x2f9b(%rip) # 3fc8 <_GLOBAL_OFFSET_TABLE_+0x10> 102d: 0f 1f 00 nopl (%rax) 1030: f3 0f 1e fa endbr64 1034: 68 00 00 00 00 push $0x0 1039: f2 e9 e1 ff ff ff bnd jmp 1020 <_init+0x20> 103f: 90 nop Disassembly of section .plt.got: 0000000000001040 <__cxa_finalize@plt>: 1040: f3 0f 1e fa endbr64 1044: f2 ff 25 ad 2f 00 00 bnd jmp *0x2fad(%rip) # 3ff8 <__cxa_finalize@GLIBC_2.2.5> 104b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) Disassembly of section .plt.sec: 0000000000001050 <printf@plt>: 1050: f3 0f 1e fa endbr64 1054: f2 ff 25 75 2f 00 00 bnd jmp *0x2f75(%rip) # 3fd0 <printf@GLIBC_2.2.5> 105b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) Disassembly of section .text: 0000000000001060 <_start>: 1060: f3 0f 1e fa endbr64 1064: 31 ed xor %ebp,%ebp 1066: 49 89 d1 mov %rdx,%r9 1069: 5e pop %rsi 106a: 48 89 e2 mov %rsp,%rdx 106d: 48 83 e4 f0 and $0xfffffffffffffff0,%rsp 1071: 50 push %rax 1072: 54 push %rsp 1073: 45 31 c0 xor %r8d,%r8d 1076: 31 c9 xor %ecx,%ecx 1078: 48 8d 3d ca 00 00 00 lea 0xca(%rip),%rdi # 1149 <main> 107f: ff 15 53 2f 00 00 call *0x2f53(%rip) # 3fd8 <__libc_start_main@GLIBC_2.34> 1085: f4 hlt 1086: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 108d: 00 00 00 0000000000001090 <deregister_tm_clones>: 1090: 48 8d 3d 79 2f 00 00 lea 0x2f79(%rip),%rdi # 4010 <__TMC_END__> 1097: 48 8d 05 72 2f 00 00 lea 0x2f72(%rip),%rax # 4010 <__TMC_END__> 109e: 48 39 f8 cmp %rdi,%rax 10a1: 74 15 je 10b8 <deregister_tm_clones+0x28> 10a3: 48 8b 05 36 2f 00 00 mov 0x2f36(%rip),%rax # 3fe0 <_ITM_deregisterTMCloneTable@Base> 10aa: 48 85 c0 test %rax,%rax 10ad: 74 09 je 10b8 <deregister_tm_clones+0x28> 10af: ff e0 jmp *%rax 10b1: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 10b8: c3 ret 10b9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 00000000000010c0 <register_tm_clones>: 10c0: 48 8d 3d 49 2f 00 00 lea 0x2f49(%rip),%rdi # 4010 <__TMC_END__> 10c7: 48 8d 35 42 2f 00 00 lea 0x2f42(%rip),%rsi # 4010 <__TMC_END__> 10ce: 48 29 fe sub %rdi,%rsi 10d1: 48 89 f0 mov %rsi,%rax 10d4: 48 c1 ee 3f shr $0x3f,%rsi 10d8: 48 c1 f8 03 sar $0x3,%rax 10dc: 48 01 c6 add %rax,%rsi 10df: 48 d1 fe sar %rsi 10e2: 74 14 je 10f8 <register_tm_clones+0x38> 10e4: 48 8b 05 05 2f 00 00 mov 0x2f05(%rip),%rax # 3ff0 <_ITM_registerTMCloneTable@Base> 10eb: 48 85 c0 test %rax,%rax 10ee: 74 08 je 10f8 <register_tm_clones+0x38> 10f0: ff e0 jmp *%rax 10f2: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 10f8: c3 ret 10f9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 0000000000001100 <__do_global_dtors_aux>: 1100: f3 0f 1e fa endbr64 1104: 80 3d 05 2f 00 00 00 cmpb $0x0,0x2f05(%rip) # 4010 <__TMC_END__> 110b: 75 2b jne 1138 <__do_global_dtors_aux+0x38> 110d: 55 push %rbp 110e: 48 83 3d e2 2e 00 00 cmpq $0x0,0x2ee2(%rip) # 3ff8 <__cxa_finalize@GLIBC_2.2.5> 1115: 00 1116: 48 89 e5 mov %rsp,%rbp 1119: 74 0c je 1127 <__do_global_dtors_aux+0x27> 111b: 48 8b 3d e6 2e 00 00 mov 0x2ee6(%rip),%rdi # 4008 <__dso_handle> 1122: e8 19 ff ff ff call 1040 <__cxa_finalize@plt> 1127: e8 64 ff ff ff call 1090 <deregister_tm_clones> 112c: c6 05 dd 2e 00 00 01 movb $0x1,0x2edd(%rip) # 4010 <__TMC_END__> 1133: 5d pop %rbp 1134: c3 ret 1135: 0f 1f 00 nopl (%rax) 1138: c3 ret 1139: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 0000000000001140 <frame_dummy>: 1140: f3 0f 1e fa endbr64 1144: e9 77 ff ff ff jmp 10c0 <register_tm_clones> 0000000000001149 <main>: 1149: f3 0f 1e fa endbr64 114d: 55 push %rbp 114e: 48 89 e5 mov %rsp,%rbp 1151: 48 83 ec 20 sub $0x20,%rsp 1155: 89 7d ec mov %edi,-0x14(%rbp) 1158: 48 89 75 e0 mov %rsi,-0x20(%rbp) 115c: c7 45 f4 01 00 00 00 movl $0x1,-0xc(%rbp) 1163: c7 45 f8 02 00 00 00 movl $0x2,-0x8(%rbp) 116a: 8b 55 f4 mov -0xc(%rbp),%edx 116d: 8b 45 f8 mov -0x8(%rbp),%eax 1170: 01 d0 add %edx,%eax 1172: 89 45 fc mov %eax,-0x4(%rbp) 1175: 8b 45 fc mov -0x4(%rbp),%eax 1178: 89 c6 mov %eax,%esi 117a: 48 8d 05 83 0e 00 00 lea 0xe83(%rip),%rax # 2004 <_IO_stdin_used+0x4> 1181: 48 89 c7 mov %rax,%rdi 1184: b8 00 00 00 00 mov $0x0,%eax 1189: e8 c2 fe ff ff call 1050 <printf@plt> 118e: b8 00 00 00 00 mov $0x0,%eax 1193: c9 leave 1194: c3 ret Disassembly of section .fini: 0000000000001198 <_fini>: 1198: f3 0f 1e fa endbr64 119c: 48 83 ec 08 sub $0x8,%rsp 11a0: 48 83 c4 08 add $0x8,%rsp 11a4: c3 ret
反汇编特定段，并将汇编代码对应的文件名称和行号对应上：
objdump -d -l study study: file format elf64-x86-64 Disassembly of section .init: 0000000000001000 <_init>: _init(): 1000: f3 0f 1e fa endbr64 1004: 48 83 ec 08 sub $0x8,%rsp 1008: 48 8b 05 d9 2f 00 00 mov 0x2fd9(%rip),%rax # 3fe8 <__gmon_start__@Base> 100f: 48 85 c0 test %rax,%rax 1012: 74 02 je 1016 <_init+0x16> 1014: ff d0 call *%rax 1016: 48 83 c4 08 add $0x8,%rsp 101a: c3 ret Disassembly of section .plt: 0000000000001020 <.plt>: 1020: ff 35 9a 2f 00 00 push 0x2f9a(%rip) # 3fc0 <_GLOBAL_OFFSET_TABLE_+0x8> 1026: f2 ff 25 9b 2f 00 00 bnd jmp *0x2f9b(%rip) # 3fc8 <_GLOBAL_OFFSET_TABLE_+0x10> 102d: 0f 1f 00 nopl (%rax) 1030: f3 0f 1e fa endbr64 1034: 68 00 00 00 00 push $0x0 1039: f2 e9 e1 ff ff ff bnd jmp 1020 <_init+0x20> 103f: 90 nop Disassembly of section .plt.got: 0000000000001040 <__cxa_finalize@plt>: 1040: f3 0f 1e fa endbr64 1044: f2 ff 25 ad 2f 00 00 bnd jmp *0x2fad(%rip) # 3ff8 <__cxa_finalize@GLIBC_2.2.5> 104b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) Disassembly of section .plt.sec: 0000000000001050 <printf@plt>: 1050: f3 0f 1e fa endbr64 1054: f2 ff 25 75 2f 00 00 bnd jmp *0x2f75(%rip) # 3fd0 <printf@GLIBC_2.2.5> 105b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) Disassembly of section .text: 0000000000001060 <_start>: _start(): 1060: f3 0f 1e fa endbr64 1064: 31 ed xor %ebp,%ebp 1066: 49 89 d1 mov %rdx,%r9 1069: 5e pop %rsi 106a: 48 89 e2 mov %rsp,%rdx 106d: 48 83 e4 f0 and $0xfffffffffffffff0,%rsp 1071: 50 push %rax 1072: 54 push %rsp 1073: 45 31 c0 xor %r8d,%r8d 1076: 31 c9 xor %ecx,%ecx 1078: 48 8d 3d ca 00 00 00 lea 0xca(%rip),%rdi # 1149 <main> 107f: ff 15 53 2f 00 00 call *0x2f53(%rip) # 3fd8 <__libc_start_main@GLIBC_2.34> 1085: f4 hlt 1086: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 108d: 00 00 00 0000000000001090 <deregister_tm_clones>: deregister_tm_clones(): 1090: 48 8d 3d 79 2f 00 00 lea 0x2f79(%rip),%rdi # 4010 <__TMC_END__> 1097: 48 8d 05 72 2f 00 00 lea 0x2f72(%rip),%rax # 4010 <__TMC_END__> 109e: 48 39 f8 cmp %rdi,%rax 10a1: 74 15 je 10b8 <deregister_tm_clones+0x28> 10a3: 48 8b 05 36 2f 00 00 mov 0x2f36(%rip),%rax # 3fe0 <_ITM_deregisterTMCloneTable@Base> 10aa: 48 85 c0 test %rax,%rax 10ad: 74 09 je 10b8 <deregister_tm_clones+0x28> 10af: ff e0 jmp *%rax 10b1: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 10b8: c3 ret 10b9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 00000000000010c0 <register_tm_clones>: register_tm_clones(): 10c0: 48 8d 3d 49 2f 00 00 lea 0x2f49(%rip),%rdi # 4010 <__TMC_END__> 10c7: 48 8d 35 42 2f 00 00 lea 0x2f42(%rip),%rsi # 4010 <__TMC_END__> 10ce: 48 29 fe sub %rdi,%rsi 10d1: 48 89 f0 mov %rsi,%rax 10d4: 48 c1 ee 3f shr $0x3f,%rsi 10d8: 48 c1 f8 03 sar $0x3,%rax 10dc: 48 01 c6 add %rax,%rsi 10df: 48 d1 fe sar %rsi 10e2: 74 14 je 10f8 <register_tm_clones+0x38> 10e4: 48 8b 05 05 2f 00 00 mov 0x2f05(%rip),%rax # 3ff0 <_ITM_registerTMCloneTable@Base> 10eb: 48 85 c0 test %rax,%rax 10ee: 74 08 je 10f8 <register_tm_clones+0x38> 10f0: ff e0 jmp *%rax 10f2: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 10f8: c3 ret 10f9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 0000000000001100 <__do_global_dtors_aux>: __do_global_dtors_aux(): 1100: f3 0f 1e fa endbr64 1104: 80 3d 05 2f 00 00 00 cmpb $0x0,0x2f05(%rip) # 4010 <__TMC_END__> 110b: 75 2b jne 1138 <__do_global_dtors_aux+0x38> 110d: 55 push %rbp 110e: 48 83 3d e2 2e 00 00 cmpq $0x0,0x2ee2(%rip) # 3ff8 <__cxa_finalize@GLIBC_2.2.5> 1115: 00 1116: 48 89 e5 mov %rsp,%rbp 1119: 74 0c je 1127 <__do_global_dtors_aux+0x27> 111b: 48 8b 3d e6 2e 00 00 mov 0x2ee6(%rip),%rdi # 4008 <__dso_handle> 1122: e8 19 ff ff ff call 1040 <__cxa_finalize@plt> 1127: e8 64 ff ff ff call 1090 <deregister_tm_clones> 112c: c6 05 dd 2e 00 00 01 movb $0x1,0x2edd(%rip) # 4010 <__TMC_END__> 1133: 5d pop %rbp 1134: c3 ret 1135: 0f 1f 00 nopl (%rax) 1138: c3 ret 1139: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 0000000000001140 <frame_dummy>: frame_dummy(): 1140: f3 0f 1e fa endbr64 1144: e9 77 ff ff ff jmp 10c0 <register_tm_clones> 0000000000001149 <main>: main(): /home/guochaoxxl/tmp/study.c:7 1149: f3 0f 1e fa endbr64 114d: 55 push %rbp 114e: 48 89 e5 mov %rsp,%rbp 1151: 48 83 ec 20 sub $0x20,%rsp 1155: 89 7d ec mov %edi,-0x14(%rbp) 1158: 48 89 75 e0 mov %rsi,-0x20(%rbp) /home/guochaoxxl/tmp/study.c:11 115c: c7 45 f4 01 00 00 00 movl $0x1,-0xc(%rbp) /home/guochaoxxl/tmp/study.c:12 1163: c7 45 f8 02 00 00 00 movl $0x2,-0x8(%rbp) /home/guochaoxxl/tmp/study.c:13 116a: 8b 55 f4 mov -0xc(%rbp),%edx 116d: 8b 45 f8 mov -0x8(%rbp),%eax 1170: 01 d0 add %edx,%eax 1172: 89 45 fc mov %eax,-0x4(%rbp) /home/guochaoxxl/tmp/study.c:15 1175: 8b 45 fc mov -0x4(%rbp),%eax 1178: 89 c6 mov %eax,%esi 117a: 48 8d 05 83 0e 00 00 lea 0xe83(%rip),%rax # 2004 <_IO_stdin_used+0x4> 1181: 48 89 c7 mov %rax,%rdi 1184: b8 00 00 00 00 mov $0x0,%eax 1189: e8 c2 fe ff ff call 1050 <printf@plt> /home/guochaoxxl/tmp/study.c:17 118e: b8 00 00 00 00 mov $0x0,%eax /home/guochaoxxl/tmp/study.c:18 1193: c9 leave 1194: c3 ret Disassembly of section .fini: 0000000000001198 <_fini>: _fini(): 1198: f3 0f 1e fa endbr64 119c: 48 83 ec 08 sub $0x8,%rsp 11a0: 48 83 c4 08 add $0x8,%rsp 11a4: c3 ret
反汇编section=.text段
objdump -d --section=.text study study: file format elf64-x86-64 Disassembly of section .text: 0000000000001060 <_start>: 1060: f3 0f 1e fa endbr64 1064: 31 ed xor %ebp,%ebp 1066: 49 89 d1 mov %rdx,%r9 1069: 5e pop %rsi 106a: 48 89 e2 mov %rsp,%rdx 106d: 48 83 e4 f0 and $0xfffffffffffffff0,%rsp 1071: 50 push %rax 1072: 54 push %rsp 1073: 45 31 c0 xor %r8d,%r8d 1076: 31 c9 xor %ecx,%ecx 1078: 48 8d 3d ca 00 00 00 lea 0xca(%rip),%rdi # 1149 <main> 107f: ff 15 53 2f 00 00 call *0x2f53(%rip) # 3fd8 <__libc_start_main@GLIBC_2.34> 1085: f4 hlt 1086: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 108d: 00 00 00 0000000000001090 <deregister_tm_clones>: 1090: 48 8d 3d 79 2f 00 00 lea 0x2f79(%rip),%rdi # 4010 <__TMC_END__> 1097: 48 8d 05 72 2f 00 00 lea 0x2f72(%rip),%rax # 4010 <__TMC_END__> 109e: 48 39 f8 cmp %rdi,%rax 10a1: 74 15 je 10b8 <deregister_tm_clones+0x28> 10a3: 48 8b 05 36 2f 00 00 mov 0x2f36(%rip),%rax # 3fe0 <_ITM_deregisterTMCloneTable@Base> 10aa: 48 85 c0 test %rax,%rax 10ad: 74 09 je 10b8 <deregister_tm_clones+0x28> 10af: ff e0 jmp *%rax 10b1: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 10b8: c3 ret 10b9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 00000000000010c0 <register_tm_clones>: 10c0: 48 8d 3d 49 2f 00 00 lea 0x2f49(%rip),%rdi # 4010 <__TMC_END__> 10c7: 48 8d 35 42 2f 00 00 lea 0x2f42(%rip),%rsi # 4010 <__TMC_END__> 10ce: 48 29 fe sub %rdi,%rsi 10d1: 48 89 f0 mov %rsi,%rax 10d4: 48 c1 ee 3f shr $0x3f,%rsi 10d8: 48 c1 f8 03 sar $0x3,%rax 10dc: 48 01 c6 add %rax,%rsi 10df: 48 d1 fe sar %rsi 10e2: 74 14 je 10f8 <register_tm_clones+0x38> 10e4: 48 8b 05 05 2f 00 00 mov 0x2f05(%rip),%rax # 3ff0 <_ITM_registerTMCloneTable@Base> 10eb: 48 85 c0 test %rax,%rax 10ee: 74 08 je 10f8 <register_tm_clones+0x38> 10f0: ff e0 jmp *%rax 10f2: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 10f8: c3 ret 10f9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 0000000000001100 <__do_global_dtors_aux>: 1100: f3 0f 1e fa endbr64 1104: 80 3d 05 2f 00 00 00 cmpb $0x0,0x2f05(%rip) # 4010 <__TMC_END__> 110b: 75 2b jne 1138 <__do_global_dtors_aux+0x38> 110d: 55 push %rbp 110e: 48 83 3d e2 2e 00 00 cmpq $0x0,0x2ee2(%rip) # 3ff8 <__cxa_finalize@GLIBC_2.2.5> 1115: 00 1116: 48 89 e5 mov %rsp,%rbp 1119: 74 0c je 1127 <__do_global_dtors_aux+0x27> 111b: 48 8b 3d e6 2e 00 00 mov 0x2ee6(%rip),%rdi # 4008 <__dso_handle> 1122: e8 19 ff ff ff call 1040 <__cxa_finalize@plt> 1127: e8 64 ff ff ff call 1090 <deregister_tm_clones> 112c: c6 05 dd 2e 00 00 01 movb $0x1,0x2edd(%rip) # 4010 <__TMC_END__> 1133: 5d pop %rbp 1134: c3 ret 1135: 0f 1f 00 nopl (%rax) 1138: c3 ret 1139: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 0000000000001140 <frame_dummy>: 1140: f3 0f 1e fa endbr64 1144: e9 77 ff ff ff jmp 10c0 <register_tm_clones> 0000000000001149 <main>: 1149: f3 0f 1e fa endbr64 114d: 55 push %rbp 114e: 48 89 e5 mov %rsp,%rbp 1151: 48 83 ec 20 sub $0x20,%rsp 1155: 89 7d ec mov %edi,-0x14(%rbp) 1158: 48 89 75 e0 mov %rsi,-0x20(%rbp) 115c: c7 45 f4 01 00 00 00 movl $0x1,-0xc(%rbp) 1163: c7 45 f8 02 00 00 00 movl $0x2,-0x8(%rbp) 116a: 8b 55 f4 mov -0xc(%rbp),%edx 116d: 8b 45 f8 mov -0x8(%rbp),%eax 1170: 01 d0 add %edx,%eax 1172: 89 45 fc mov %eax,-0x4(%rbp) 1175: 8b 45 fc mov -0x4(%rbp),%eax 1178: 89 c6 mov %eax,%esi 117a: 48 8d 05 83 0e 00 00 lea 0xe83(%rip),%rax # 2004 <_IO_stdin_used+0x4> 1181: 48 89 c7 mov %rax,%rdi 1184: b8 00 00 00 00 mov $0x0,%eax 1189: e8 c2 fe ff ff call 1050 <printf@plt> 118e: b8 00 00 00 00 mov $0x0,%eax 1193: c9 leave 1194: c3 ret
反汇编.data段
objdump -d --section=.data study study: file format elf64-x86-64 Disassembly of section .data: 0000000000004000 <__data_start>: ... 0000000000004008 <__dso_handle>: 4008: 08 40 00 00 00 00 00 00 .@......
显示目标文件各个段的头部摘要信息：
objdump -h study study: file format elf64-x86-64 Sections: Idx Name Size VMA LMA File off Algn 0 .interp 0000001c 0000000000000318 0000000000000318 00000318 2**0 CONTENTS, ALLOC, LOAD, READONLY, DATA 1 .note.gnu.property 00000030 0000000000000338 0000000000000338 00000338 2**3 CONTENTS, ALLOC, LOAD, READONLY, DATA 2 .note.gnu.build-id 00000024 0000000000000368 0000000000000368 00000368 2**2 CONTENTS, ALLOC, LOAD, READONLY, DATA 3 .note.ABI-tag 00000020 000000000000038c 000000000000038c 0000038c 2**2 CONTENTS, ALLOC, LOAD, READONLY, DATA 4 .gnu.hash 00000024 00000000000003b0 00000000000003b0 000003b0 2**3 CONTENTS, ALLOC, LOAD, READONLY, DATA 5 .dynsym 000000a8 00000000000003d8 00000000000003d8 000003d8 2**3 CONTENTS, ALLOC, LOAD, READONLY, DATA 6 .dynstr 0000008f 0000000000000480 0000000000000480 00000480 2**0 CONTENTS, ALLOC, LOAD, READONLY, DATA 7 .gnu.version 0000000e 0000000000000510 0000000000000510 00000510 2**1 CONTENTS, ALLOC, LOAD, READONLY, DATA 8 .gnu.version_r 00000030 0000000000000520 0000000000000520 00000520 2**3 CONTENTS, ALLOC, LOAD, READONLY, DATA 9 .rela.dyn 000000c0 0000000000000550 0000000000000550 00000550 2**3 CONTENTS, ALLOC, LOAD, READONLY, DATA 10 .rela.plt 00000018 0000000000000610 0000000000000610 00000610 2**3 CONTENTS, ALLOC, LOAD, READONLY, DATA 11 .init 0000001b 0000000000001000 0000000000001000 00001000 2**2 CONTENTS, ALLOC, LOAD, READONLY, CODE 12 .plt 00000020 0000000000001020 0000000000001020 00001020 2**4 CONTENTS, ALLOC, LOAD, READONLY, CODE 13 .plt.got 00000010 0000000000001040 0000000000001040 00001040 2**4 CONTENTS, ALLOC, LOAD, READONLY, CODE 14 .plt.sec 00000010 0000000000001050 0000000000001050 00001050 2**4 CONTENTS, ALLOC, LOAD, READONLY, CODE 15 .text 00000135 0000000000001060 0000000000001060 00001060 2**4 CONTENTS, ALLOC, LOAD, READONLY, CODE 16 .fini 0000000d 0000000000001198 0000000000001198 00001198 2**2 CONTENTS, ALLOC, LOAD, READONLY, CODE 17 .rodata 00000012 0000000000002000 0000000000002000 00002000 2**2 CONTENTS, ALLOC, LOAD, READONLY, DATA 18 .eh_frame_hdr 00000034 0000000000002014 0000000000002014 00002014 2**2 CONTENTS, ALLOC, LOAD, READONLY, DATA 19 .eh_frame 000000ac 0000000000002048 0000000000002048 00002048 2**3 CONTENTS, ALLOC, LOAD, READONLY, DATA 20 .init_array 00000008 0000000000003db8 0000000000003db8 00002db8 2**3 CONTENTS, ALLOC, LOAD, DATA 21 .fini_array 00000008 0000000000003dc0 0000000000003dc0 00002dc0 2**3 CONTENTS, ALLOC, LOAD, DATA 22 .dynamic 000001f0 0000000000003dc8 0000000000003dc8 00002dc8 2**3 CONTENTS, ALLOC, LOAD, DATA 23 .got 00000048 0000000000003fb8 0000000000003fb8 00002fb8 2**3 CONTENTS, ALLOC, LOAD, DATA 24 .data 00000010 0000000000004000 0000000000004000 00003000 2**3 CONTENTS, ALLOC, LOAD, DATA 25 .bss 00000008 0000000000004010 0000000000004010 00003010 2**0 ALLOC 26 .comment 0000002b 0000000000000000 0000000000000000 00003010 2**0 CONTENTS, READONLY 27 .debug_aranges 00000030 0000000000000000 0000000000000000 0000303b 2**0 CONTENTS, READONLY, DEBUGGING, OCTETS 28 .debug_info 000000f8 0000000000000000 0000000000000000 0000306b 2**0 CONTENTS, READONLY, DEBUGGING, OCTETS 29 .debug_abbrev 000000a1 0000000000000000 0000000000000000 00003163 2**0 CONTENTS, READONLY, DEBUGGING, OCTETS 30 .debug_line 00000062 0000000000000000 0000000000000000 00003204 2**0 CONTENTS, READONLY, DEBUGGING, OCTETS 31 .debug_str 000000ea 0000000000000000 0000000000000000 00003266 2**0 CONTENTS, READONLY, DEBUGGING, OCTETS 32 .debug_line_str 00000032 0000000000000000 0000000000000000 00003350 2**0 CONTENTS, READONLY, DEBUGGING, OCTETS
人就像是被蒙着眼推磨的驴子，生活就像一条鞭子；当鞭子抽到你背上时，你就只能一直往前走，虽然连你也不知道要走到什么时候为止，便一直这么坚持着。
