lldb使用

常用 si,ni ,ex, mem,di,reg,b,c,x

以下内容是lldb帮助文档中内容:

 

  apropos           -- List debugger commands related to a word or subject.

  breakpoint        -- Commands for operating on breakpoints (see 'help b' for

                       shorthand.)

  bugreport         -- Commands for creating domain-specific bug reports.

 

  command           -- 这 个可以 自定义命令

　　　　　　　　　command alias hp help.    用hp 替换help命令

 

  disassemble       --显示汇编代码 d di dis 等缩写都可以

  expression        -- 显示变 量的值

　　　　　　　　ex    n

  frame            :

　　info  用法 frame info 显示一些当前线程信息

　　select     frame select 显示当前调试线程位置信息

　　variable  frame var   显示当前调试线程局部变量信息

 

 

  kdp-remote        -- Connect to a process via remote KDP server.  If no UDP

                       port is specified, port 41139 is assumed.

  language          -- Commands specific to a source language.

  log               -- Commands controlling LLDB internal logging.

 

  memory            --操作当前进程内存

　　　　    mem read &result   读取变量result中的值

　　　　　　　

 　　　　　　mem read -c 100 &result 显示100字节

 

  platform          -- Commands to manage and create platforms.

  plugin            -- lldb插件管理

  process           -- Commands for interacting with processes on the current

                       platform.

  quit              -- 退出lldb

  register          -- 读写寄存器值

　　　　　　

 

  script            -- Invoke the script interpreter with provided code and

                       display any results.  Start the interactive interpreter

                       if no code is supplied.

  settings          -- Commands for managing LLDB settings.

  source            -- 通过调试信息展示源文件信息

  target            -- Commands for operating on debugger targets.

  thread            -- Commands for operating on one or more threads in the

                       current process.

  type              -- Commands for operating on the type system.

  version           -- Show the LLDB debugger version.

  watchpoint        -- Commands for operating on watchpoints.

Current command abbreviations (type 'help command alias' for more info):

  add-dsym  --增加符号表

  attach    -- 附加进程

  b      设置断点

  bt        显示当前栈信息，frame中有的命令功能相同

  c        继续运行当前进程中的所有线程

  call      直接调用表达示　比如　call 1+1

  continue  -- Continue execution of all threads in the current process.

  detach    -- Detach from the current target process.

  di          dis 显示反汇编代码      

  display   -- Evaluate an expression at every stop (see 'help target

               stop-hook'.)

  down      -- Select a newer stack frame.  Defaults to moving one frame, a

               numeric argument can specify an arbitrary number.

  env       -- Shorthand for viewing and setting environment variables.

  exit      -- 退出

  f         -- Select the current stack frame by index from within the current

               thread (see 'thread backtrace'.)

  file      -- Create a target using the argument as the main executable.

  finish    -- Finish executing the current stack frame and stop after

               returning.  Defaults to current thread unless specified.

  image     -- Commands for accessing information for one or more target

               modules.

  j         -- Set the program counter to a new address.

  jump      -- Set the program counter to a new address.

  kill      -- Terminate the current target process.

  l         --显示源码

  list     

  n         源码级别单步

  next      -- Source level single step, stepping over calls.  Defaults to

               current thread unless specified.

  nexti     -- Instruction level single step, stepping over calls.  Defaults to

               current thread unless specified.

  ni        汇编级别单步

  p         -- Evaluate an expression on the current thread.  Displays any

               returned value with LLDB's default formatting.

  parray    -- Evaluate an expression on the current thread.  Displays any

               returned value with LLDB's default formatting.

  po        -- Evaluate an expression on the current thread.  Displays any

               returned value with formatting controlled by the type's author.

  poarray   -- Evaluate an expression on the current thread.  Displays any

               returned value with LLDB's default formatting.

  print     -- Evaluate an expression on the current thread.  Displays any

               returned value with LLDB's default formatting.

  q         -- Quit the LLDB debugger.

  r         -- Launch the executable in the debugger.

  rbreak    -- Sets a breakpoint or set of breakpoints in the executable.

  repl      -- Evaluate an expression on the current thread.  Displays any

               returned value with LLDB's default formatting.

  run       -- Launch the executable in the debugger.

  s         -- Source level single step, stepping into calls.  Defaults to

               current thread unless specified.

  si        -- Instruction level single step, stepping into calls.  Defaults to

               current thread unless specified.

  sif       -- Step through the current block, stopping if you step directly

               into a function whose name matches the TargetFunctionName.

  step      -- Source level single step, stepping into calls.  Defaults to

               current thread unless specified.

  stepi     -- Instruction level single step, stepping into calls.  Defaults to

               current thread unless specified.

  t         -- Change the currently selected thread.

  tbreak    -- Set a one-shot breakpoint using one of several shorthand

               formats.

  undisplay -- Stop displaying expression at every stop (specified by stop-hook

               index.)

  up        -- Select an older stack frame.  Defaults to moving one frame, a

               numeric argument can specify an arbitrary number.

  x         读内存地址