腳本名稱為hello.py，內容如下：

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()

加載方法1：

sudo gdb httpd -x hello.py

查看一下：

(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.

加載方法2：

(gdb) source hello.py

查看一下：

(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.

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