ndk工具使用之arm-eabi-addr2line

$ arm-eabi-addr2line.exe --help
Usage: arm-eabi-addr2line [option(s)] [addr(s)]
 Convert addresses into line number/file name pairs.
 If no addresses are specified on the command line, they will be read from stdin
 The options are:
  @                Read options from
  -b --target=  Set the binary file format
  -e --exe=  Set the input file name (default is a.out)
  -i --inlines           Unwind inlined functions
  -j --section=    Read section-relative offsets instead of addresses
  -s --basenames         Strip directory names
  -f --functions         Show function names
  -C --demangle[=style]  Demangle function names
  -h --help              Display this information
  -v --version           Display the program's version


arm-eabi-addr2line: supported targets: elf32-littlearm elf32-bigarm elf32-little elf32-big srec symbolsrec tekhex binary ihex

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作用：

so绝对地址到代码行数的计算，以及相关代码行数信息的获取

注意点：

1.绝对地址=so加载的起始地址 - 当前出错代码地址(如pc，或lr等)

2.so必须是要附号信息的

常用实例：

arm-eabi-addr2line.exe -C -f -e ./xxx.so 0x186759