how to use gdb-sim?

[Ben Elliston]

>>>>> "dam" == dam wang <gb2312> writes:

  dam> I'm sorry, but would u please show me some more particular reference? 
  dam> I try "target sim" and got such comment: "Undefined target command: "sim".  
  dam> Try "help target"." I type "help target" and can not find target option of 
  dam> sim. Then I reinstall gdb, try the same command, and got the same comment.

The availability of the "target sim" command is dependent on the
target you configure GDB for.  Many targets don't have an in-built GDB
simulator.

Ben