Tracing instruction in lldb debugger.Just a python-script for lldb.

Overview

lldb-trace

Tracing instruction in lldb debugger. just a python-script for lldb.

How to use it?
  1. Break at an address where you want to begin tracing.

  1. Import lldb python script.

  1. Set an address where you want to end tracing.

  1. Use 'trace' command,and redirect log to file.

trace -e 0x111111 -l all -t ~/tracelog.txt -d ~/debuglog.txt

参考:https://github.com/gm281/lldb-trace

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Comments
  • 'err : ALSR is None'

    'err : ALSR is None'

    TypeError: unsupported operand type(s) for -: 'int' and 'NoneType' File "/Users/incollagepro/lldb-trace/lldbTrace.py", line 409, in print_tracing_progress file_addr = mem_addr - ASLR

    还有589 也是NoneType 需要加上 str(sym_name) self.append_msg = sym_name + self.append_msg

    opened by idewindy 2
  • 遇到了一个报错

    遇到了一个报错

    error: libarclite_iphoneos.a(arclite.o) failed to load objfile for /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/arc/libarclite_iphoneos.a │ PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace. │ Stack dump: │ 0. Program arguments: /Applications/Xcode.app/Contents/Developer/usr/bin/lldb 是什么原因呢?

    opened by ChandHsu 0
  • bug we need set ASLR to number, not str

    bug we need set ASLR to number, not str

    def init_ASLR(debugger:lldb.SBDebugger):
    global ASLR interpreter:lldb.SBCommandInterpreter = debugger.GetCommandInterpreter() returnObject = lldb.SBCommandReturnObject() interpreter.HandleCommand('image list -o', returnObject) output = returnObject.GetOutput() match = re.match(r'.+(0x[0-9a-fA-F]+)', output) if match: ASLRHexStr:str = match.group(1) ASLR = int(ASLRHexStr,16) print('ALSR : {}'.format(ASLRHexStr)) return ASLRHexStr else: ASLR = '' ====> set 0 print('err : ALSR is None') return None

    opened by TinyNiko 0
  • 通过.plt段调用函数时好像有问题

    通过.plt段调用函数时好像有问题

    Dingtalk_20210916170524 Dingtalk_20210916170540 如图所示,在.plt里的get_state函数的ldr pc指令之后应该是跳到.text段的get_state函数里才对。但是trace.log文件里缺没有.text段的内容。 Dingtalk_20210916170745

    我看debug.log文件里有这样的内容: Dingtalk_20210916171424

    查看代码,它好像是认为.text段已经超出get_state()符号范围了,就没有记录了 Dingtalk_20210916171629

    有办法把.text段里get_state()真正的内容记录到trace.log里吗?

    opened by yinXlms 0
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