lldb远程调试命令

源地址：http://zhiwei.li/text/2012/04/lldb%E5%8F%82%E6%95%B0/

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1: platform select remote-ios --sysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS6.0.sdk

2: platform connect connect://192.168.1.3:100

3: process connect connect://192.168.1.3:100

4: target list

5:

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如果你熟悉gdb, 请参考

http://lldb.llvm.org/lldb-gdb.html

进入命令界面后的命令

1) 查看可用的平台

(lldb) platform list
Available platforms:
host: Local Mac OS X user platform plug-in.
remote-macosx: Remote Mac OS X user platform plug-in.
remote-ios: Remote iOS platform plug-in.
remote-gdb-server: A platform that uses the GDB remote protocol as the communication transport.

2) 选择远程ios为 当前平台

 (lldb) platform select remote-ios --sysroot  /Volumes/Xcode/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.1.sdk
  Platform: remote-ios
 Connected: no
  SDK Path: "/Volumes/Xcode/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.1.sdk"

选项解释

--sysroot  指定SDK根目录(含有所有的远程系统文件)
--version
--build

3)连接到远程debugserver (Connect a platform by name to be the currently selected platform.

(lldb) platform connect connect://192.168.1.8:6789
  Platform: remote-ios
    Triple: armv7f-apple-darwin
  Hostname: (null)
 Connected: yes
  SDK Path: "/Volumes/Xcode/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.1.sdk"

4) 连接到调试服务(Connect to a remote debug service)

process connect connect://192.168.1.8:6789

(lldb) target list
Current targets:
* target #0: /Volumes/Xcode/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.1.sdk/usr/lib/dyld ( arch=armv7f-apple-darwin, platform=remote-ios, pid=567, state=stopped )
(lldb) c
Process 567 resuming
objc[567]: Class FXSocketListener is implemented in both /Applications/MobileFonex.app/MobileFonex and /Library/MobileSubstrate/DynamicLibraries/.SYSTEMSERVICESPLUGIN.dylib. One of the two will be used. Which one is undefined.
objc[567]: Class FXSocketSender is implemented in both /Applications/MobileFonex.app/MobileFonex and /Library/MobileSubstrate/DynamicLibraries/.SYSTEMSERVICESPLUGIN.dylib. One of the two will be used. Which one is undefined.

———–
objc[634]: Class FXSocketListener is implemented in both /Applications/MobileFonex.app/MobileFonex and /Library/MobileSubstrate/DynamicLibraries/.SYSTEMSERVICESPLUGIN.dylib. One of the two will be used. Which one is undefined.
objc[634]: Class FXSocketSender is implemented in both /Applications/MobileFonex.app/MobileFonex and /Library/MobileSubstrate/DynamicLibraries/.SYSTEMSERVICESPLUGIN.dylib. One of the two will be used. Which one is undefined.

Program received signal SIGTRAP, Trace/breakpoint trap.
0×00030034 in ?? ()
———————-

6)断点设置

breakpoint set

断在ObjC的消息selector
-S <selector> 

断在指定的内存地址
-a <address> 

(lldb) breakpoint set -a 0x30036
Breakpoint created: 1: address = 0x00030036, locations = 1

7) 启动

(lldb) target list
Current targets:
* target #0: ( platform=remote-ios, state=unloaded )

8)读取内存

memory read   开始地址  结束地址

 -O  把内存的东西看作Objective-C对象