some question about gc

[Ian Lance Taylor]

"zouq" <zouqiong@ict.ac.cn> writes:

Please don't start a new thread by replying to a message on an
existing thread.  Just send a new message, instead.  Otherwise your
message goes in the wrong place for people who use threaded e-mail
readers.

> i am trying to port a front end to gcc,
> and i am confused with the gc,
> i see from the file gengtype.c, it can generate many files automaticlly,
> but i don`t understand the rule to generate it, i can only understand
> firstly use the yacc to analysize the gtfiles, then output something ,
> and this is just what i don`t understand.
> 
>  can some one tell me about it, or tell me where i can get more
> information about it.
> thanks a lot.

Start by reading
    http://gcc.gnu.org/onlinedocs/gccint/Type-Information.html

Ian