lldb不常用命令

(lldb) ****help register
The following subcommands are supported:

  read  -- Dump the contents of one or more register values from the
           current frame.  If no register is specified, dumps them all.
  write -- Modify a single register value.

(lldb) help register read
Dump the contents of one or more register values from the current frame.
If no register is specified, dumps them all.

Syntax: register read [ [ [...]]]

Command Options Usage:
register read [-A] [-f ] [-G ] [-s ] [ [ [...]]]
register read [-Aa] [-f ] [-G ] [ [ [...]]]

   -A ( --alternate )
        Display register names using the alternate register name if there
        is one.

   -G  ( --gdb-format  )
        Specify a format using a GDB format specifier string.

   -a ( --all )
        Show all register sets.

   -f  ( --format  )
        Specify a format to be used for display.

   -s  ( --set  )
        Specify which register sets to dump by index.
 
 This command takes options and free-form arguments.  If your arguments
 resemble option specifiers (i.e., they start with a - or --), you must use
 ' -- ' between the end of the command options and the beginning of the
 arguments.

(lldb)