gdb自动化，使用python

概述相关API列表：https://sourceware.org/gdb/onlinedocs/gdb/Python-API.html使用python3demo1:  vimmybugreport.pyimportosclassBugReport(gdb.Command):"""Collectrequiredinfoforabugreport"""def__init__(self):super(Bu

相关API列表：

https://sourceware.org/gdb/onlinedocs/gdb/Python-API.HTML

使用python 3

demo1:  vim myBUGreport.py

import osclass BUGReport (gdb.Command):  """Collect required info for a BUG report"""def__init__(self):  super(BUGReport, self).__init__("BUGreport", gdb.COMMAND_USER)def invoke(self, arg, from_tty):  pagination = gdb.parameter("pagination")  if pagination: gdb.execute("set pagination off")  f = open("/tmp/BUGreport.txt", "w")  f.write(gdb.execute("thread apply all backtrace full", to_string=True))  f.close()  os.system("uname -a >> /tmp/BUGreport.txt")  if pagination: gdb.execute("set pagination on") BUGReport()

　　demo2: 

def invoke(self, arg, from_tty):  pagination = gdb.execute("show pagination", to_string=True).endswith("on.\n")  if pagination: gdb.execute("set pagination off")  gdb.execute('thread apply all backtrace full')  import os  os.system('uname -a')  if pagination: gdb.execute("set pagination on")

　　other: https://sourceware.org/gdb/wiki/PythonGdbTutorial

Tom Tromey wrote a PythonGdb tutorial which helps make the [[http://sourceware.org/gdb/onlinedocs/gdb/Python.HTML|official Python binding docs]] much more accessible: 1. [[http://tromey.com/blog/?p=494|Installing a Python-enabled deBUGger]]<<BR>>We’ll start at the very beginning: checking it out, building it, and then “hello, world”. 1. [[http://tromey.com/blog/?p=501|Writing a new gdb command]]<<BR>>I'll show you how to implement a new command to save breakpoints to a file. 1. [[http://tromey.com/blog/?p=515|gdb convenIEnce functions]]<<BR>>Now we’ll see how to write new functions, so your Python code can be called during Expression evaluation. 1. [[http://tromey.com/blog/?p=520|Parameters, and extending require]]<<BR>>Parameters are a nice feature when you are polishing your gdb extensions for more general use. Having Python extensions which are themselves extensible - like require - is an emerging theme of python-gdb. 1. [[http://tromey.com/blog/?p=522|The filtering backtrace]]<<BR>>Now let’s do something really useful. We’ve reimplemented backtrace, entirely in Python.  And, in so doing, we’ve added some functionality, namely filtering and reverse backtraces 1. [[http://tromey.com/blog/?p=535|auto-loading Python code]]<<BR>>Suppose someone writes a new filter - it would be nice to get it without having to edit anything. Naturally, we provIDe an automatic mechanism for loading code. 1. [[http://tromey.com/blog/?p=524|Pretty printing, part 1]]<<BR>>You can register a pretty-printer class by matching the name of a type; any time gdb trIEs to print a value whose type matches that regular Expression, your printer will be used instead. 1. [[http://tromey.com/blog/?p=546|Pretty printing, part 2]]<<BR>>There are a few additions which are helpful with more complex data types.  This post will explain the other printer methods used by gdb, and will explain how pretty-printing interacts with MI, the gdb machine interface. 1. [[http://tromey.com/blog/?p=548|Scripting gdb]]<<BR>>In this post I want to look at gdb from a different angle: as a library.  I’ve long thought it would be pretty useful to be able to use gdb as a kind of scriptable tool for messing around with running programs, or even just symbol tables and deBUG info; the Python work enables this. 1. [[http://tromey.com/blog/?p=550|Wacky stuff]]<<BR>>What Could be flashIEr than a GUI? 1. [[http://tromey.com/blog/?p=552|The End]]<<BR>>What next? Now is an exciting time to be working on gdb.  There are a number of very interesting projects underway. 1. [[http://tromey.com/blog/?p=696|Events]]<<BR>>Gdb's event system. 1. [[http://tromey.com/blog/?p=698|Breakpoints]]<<BR>>API for handling breakpoints. 1. [[http://www.cinsk.org/articles/gdb3.en.HTML|Adding new GDB Commands using Python]]<<BR>>Adding some useful commands (i.e. hexdump, iconv) to GDB

 

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