gdb加载python脚本的方法

import gdb 
class HelloPrefixCommand( gdb.Command ):
    "just to say hello"

    def __init__(self):
        super( HelloPrefixCommand, self).__init__("hello",
                gdb.COMMAND_SUPPORT,
                gdb.COMPLETE_NONE, True )
HelloPrefixCommand()

sudo gdb httpd -x hello.py

(gdb) help hello
just to say hello

List of hello subcommands:


Type "help hello" followed by hello subcommand name for full documentation.
Type "apropos word" to search for commands related to "word".
Command name abbreviations are allowed if unambiguous.

(gdb) source hello.py

(gdb) help hello
just to say hello

List of hello subcommands:


Type "help hello" followed by hello subcommand name for full documentation.
Type "apropos word" to search for commands related to "word".
Command name abbreviations are allowed if unambiguous.