gdb-break main 在main入口插入断点

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main 在main入口插入断点

root@libz-Lenovo:/home/libz/project/gdb_test# gdb ./test_gdb.elf
GNU gdb (Ubuntu/Linaro 7.3-0ubuntu2) 7.3-2011.08
Copyright (C) 2011 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 "i686-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.launchpad.net/gdb-linaro/>...
Reading symbols from /home/libz/project/gdb_test/test_gdb.elf...done.
(gdb) break main                                                                                       ---   插入断点于main函数入口
Breakpoint 1 at 0x804841d: file ./gdb_test.c, line 18.
(gdb) r
Starting program: /home/libz/project/gdb_test/test_gdb.elf

Breakpoint 1, main (argc=1, argv=0xbffff604) at ./gdb_test.c:18           ---   输入run后断点触发
18        INT32_T i32Num = 0;
(gdb)