海思平台GDB调试程序

在 hi3519v101 中 osdrv/tools/board/gdb 提供了gdb模块；
编译后，会在 osdrv/pub/bin/board_uclibc_big-little 目录下面产生 gdb-arm-hisiv500-linux 工具；
直接把工具拷贝到海思开发板上面；

调试：
在开发板上面运行：
gdb-arm-hisiv500-linux app.bin
会出现下面的信息：

GNU gdb (GDB) 7.9.1
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "arm-hisiv500-linux".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from app.bin...done.

在终端输入 r 就可以运行程序，其他可以参考gdb的调试；
如果遇到段错误，可以通过 bt 查看程序 crash 堆栈信息；
（注意：在编译程序的时候加入 -g3）