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May 21, 2022

iOS 使用 lldb 断点加载调试工具如 Reveal-Lookin-Woodpecker

整体的 lldb 加载命令如下, 放在 ~/.lldbinit 文件内

### Reveal LLDB commands support - DO NOT MODIFY
command script import /Users/manajay/Library/Application\ Support/Reveal/RevealServerCommands.py
###

# Woodpecker commands begin
# path to your own woodpecker.py path
command script import ~/Documents/WoodPecker/woodpecker.py
command script add -f woodpecker.doload woodpecker
# Woodpecker commands end

# Lookin to your own lookin.py path
command script import ~/Documents/Lookin/lookin.py
command script add -f lookin.doload lookin
# Lookin commands end

主要是学习 Reveal 的加载脚本 RevealServerCommands.py , 这个是 Reveal App 包内部的文件, 参考后复刻简易版来 加载自己常用的其他工具, 比如 Lookin , Woodpecker 等, 将需要注入到 App 的 framework 使用 lldb 加载进去

注意这里主要是针对模拟器

先展示最终结果

Woodpecker load succeed
2022-05-21 22:52:43.990163+0800 LLDB[78677:7229760] LookinServer - Will launch. Framework version: 1.0.0
LookinServer load succeed
2022-05-21 22:52:44.897321+0800 LLDB[78677:7229760]  INFO: Reveal Server started (Protocol Version 55).
Loading Reveal Server from /Users/LLDB/Library/Application Support/Reveal/RevealServer/RevealServer.xcframework/ios-arm64_i386_x86_64-simulator/RevealServer.framework/RevealServer...
Reveal Server was loaded successfully.
2022-05-21 22:52:44.929975+0800 LLDB[78677:7229760] LookinServer - Trying to connect ...
2022-05-21 22:52:44.930194+0800 LLDB[78677:7229760] LookinServer - Connected successfully on 127.0.0.1:47164
2022-05-21 22:52:44.930425+0800 LLDB[78677:7229760]  INFO: Reveal Server started (Protocol Version 55).

Lookin

资源

需要脚本和 framework 如下, 放在 比如 ~/Documents/Lookin 文件夹下

LookinServer.framework
lookin.py

脚本

对应Lookin的lldb 脚本

#!/usr/bin/python

import lldb
import sys
import os

LookinSupportDirectory = os.path.expanduser("~/Documents/Lookin")

# Entry point
def __lldb_init_module(debugger, internal_dict):
    # Install command
    debugger.HandleCommand("command script add -f woodpecker.doload woodpecker")

def localLookinServerServerBinaryPath():
        return os.path.join(LookinSupportDirectory, "LookinServer.framework/LookinServer")

def doload(debugger, command, exe_ctx, result, dict):
	# path to the framework binary file
    path = localLookinServerServerBinaryPath()
    exists = os.path.exists(path)
    if not exists:
    	print ("LookinServer framework not exists: {0}".format(path))
    	return
    imagePath = lldb.SBFileSpec(path)
    error = lldb.SBError()
    process = exe_ctx.process
    process.LoadImage(imagePath, error)
    if error.Success():
    	print ("LookinServer load succeed")
    else:
    	print(error)

lldb

然后在 ~/.lldbinit中添加

# Lookin to your own lookin.py path
command script import ~/Documents/Lookin/lookin.py
command script add -f lookin.doload lookin
# Lookin commands end

断点

最后 iOS 项目中 添加符号断点

其中 Name 随意填写, 比如 加载 WoodPecker
Symbol 填写: UIApplicationMain
Action 选择 Debugger Command 内容填写: woodpecker
最后将最下面的 Options 勾选中, 断点后继续运行

注意: 断点最好 move 到 User 下, 这样多个项目可以共享

WoodPecker

资源

需要脚本和 framework 如下, 放在 比如 ~/Documents/WoodPecker 文件夹下

WoodPeckeriOS.framework
woodpecker.py

脚本

对应WoodPecker的lldb 脚本

#!/usr/bin/python

import lldb
import sys
import os

WoodPeckerSupportDirectory = os.path.expanduser("~/Documents/WoodPecker")

# Entry point
def __lldb_init_module(debugger, internal_dict):
    # Install command
    debugger.HandleCommand("command script add -f woodpecker.doload woodpecker")

def localWoodPeckerServerBinaryPath():
        return os.path.join(WoodPeckerSupportDirectory, "WoodPeckeriOS.framework/WoodPeckeriOS")

def doload(debugger, command, exe_ctx, result, dict):
	# path to the framework binary file
    path = localWoodPeckerServerBinaryPath()
    exists = os.path.exists(path)
    if not exists:
    	print ("Woodpecker framework not exists: {0}".format(path))
    	return
    imagePath = lldb.SBFileSpec(path)
    error = lldb.SBError()
    process = exe_ctx.process
    process.LoadImage(imagePath, error)
    if error.Success():
    	print ("Woodpecker load succeed")
    else:
    	print(error)

lldb

然后在 ~/.lldbinit中添加

# Woodpecker commands begin
# path to your own woodpecker.py path
command script import ~/Documents/WoodPecker/woodpecker.py
command script add -f woodpecker.doload woodpecker
# Woodpecker commands end

其中 Name 随意填写, 比如 加载 Lookin
Symbol 填写: UIApplicationMain
Action 选择 Debugger Command 内容填写: lookin
最后将最下面的 Options 勾选中, 断点后继续运行

注意: 断点最好 move 到 User 下, 这样多个项目可以共享