使用readelf解析ARM ELF文件：关键步骤与技巧

ELF Header:
  Magic:   7f 45 4c 46 01 01 01 00 00 00 00 00 00 00 00 00 
  Class:                             ELF32
  Data:                              2's complement, little endian
  Version:                           1 (current)
  OS/ABI:                            UNIX - System V
  ABI Version:                       0
  Type:                              DYN (Shared object file)
  Machine:                           ARM
  Version:                           0x1
  Entry point address:               0x0
  Start of program headers:          52 (bytes into file)
  Start of section headers:          12600 (bytes into file)
  Flags:                             0x5000000, Version5 EABI
  Size of this header:               52 (bytes)
  Size of program headers:           32 (bytes)
  Number of program headers:         9
  Size of section headers:           40 (bytes)
  Number of section headers:         23
  Section header string table index: 22

Section Headers:
  [Nr] Name              Type            Addr     Off    Size   ES Flg Lk Inf Al
  [ 0]                   NULL            00000000 000000 000000 00      0   0  0
  [ 1] .interp           PROGBITS        00000154 000154 000013 00   A  0   0  1
  [ 2] .note.gnu.build-i NOTE            00000168 000168 000024 00   A  0   0  4
  [ 3] .dynsym           DYNSYM          0000018c 00018c 0003c0 10   A  4   1  4
  [ 4] .dynstr           STRTAB          0000054c 00054c 000506 00   A  0   0  1
  [ 5] .hash             HASH            00000a54 000a54 00018c 04   A  3   0  4
  [ 6] .rel.dyn          REL             00000be0 000be0 000040 08   A  3   0  4

  [ 7] .rel.plt          REL             00000c20 000c20 000050 08  AI  3   8  4
  [ 8] .plt              PROGBITS        00000c70 000c70 00008c 00  AX  0   0  4
  [ 9] .text             PROGBITS        00000cfc 000cfc 001076 00  AX  0   0  4
  [10] .ARM.extab        PROGBITS        00001d74 001d74 00003c 00   A  0   0  4
  [11] .ARM.exidx        ARM_EXIDX       00001db0 001db0 000128 08  AL  9   0  4
  [12] .rodata           PROGBITS        00001ed8 001ed8 00051f 01 AMS  0   0  1
  [13] .fini_array       FINI_ARRAY      00003e9c 002e9c 000008 00  WA  0   0  4
  [14] .init_array       INIT_ARRAY      00003ea4 002ea4 000004 00  WA  0   0  1
  [15] .dynamic          DYNAMIC         00003ea8 002ea8 000108 08  WA  4   0  4
  [16] .got              PROGBITS        00003fb0 002fb0 000050 00  WA  0   0  4
  [17] .data             PROGBITS        00004000 003000 000004 00  WA  0   0  4
  [18] .bss              NOBITS          00004004 003004 000000 00  WA  0   0  1
  [19] .comment          PROGBITS        00000000 003004 000010 01  MS  0   0  1
  [20] .note.gnu.gold-ve NOTE            00000000 003014 00001c 00      0   0  4
  [21] .ARM.attributes   ARM_ATTRIBUTES  00000000 003030 000034 00      0   0  1
  [22] .shstrtab         STRTAB          00000000 003064 0000d3 00      0   0  1
Key to Flags:
  W (write), A (alloc), X (execute), M (merge), S (strings), I (info),
  L (link order), O (extra OS processing required), G (group), T (TLS),
  C (compressed), x (unknown), o (OS specific), E (exclude),
  y (purecode), p (processor specific)

There are no section groups in this file.

Program Headers:
  Type           Offset   VirtAddr   PhysAddr   FileSiz MemSiz  Flg Align
  PHDR           0x000034 0x00000034 0x00000034 0x00120 0x00120 R   0x4
  INTERP         0x000154 0x00000154 0x00000154 0x00013 0x00013 R   0x1
      [Requesting program interpreter: /system/bin/linker]
  LOAD           0x000000 0x00000000 0x00000000 0x023f7 0x023f7 R E 0x1000