From:	"Bill Cunningham" <some DOT net AT delorie DOT com>
Newsgroups:	comp.os.msdos.djgpp
References:	<3ef366a3_5 AT corp DOT newsgroups DOT com> <200306202018 DOT h5KKIjZD027328 AT envy DOT delorie DOT com>
Subject:	Re: DJGPP internals
Date:	Fri, 20 Jun 2003 21:48:34 -0400
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To:	djgpp AT delorie DOT com
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Reply-To:	djgpp AT delorie DOT com

> involved (newer ones have cpp and cc1 combined):
The pre-processor runs at the same time as the compilation?

> * gcc (driver)
> * cpp
> * cc1
> * as
> * ld
>
> Within cc1, there are a few major activities going on:
>
> * Conversion of source language to a parse tree
> * Optimization of the parse tree.
> * Conversion of the parse tree to RTL.
> * Optimization of the RTL.
> * Conversion of RTL to assembly.
>
> If you want to know how many times any of these programs loops over
> the program (in whatever form it's in), the answer is LOTS.  Even the
> assembler is a multi-pass assembler.
>
> > How does the crt.o or C runtime fit into the compiling of the source?
>
> It's only used at the very end, when the linker is invoked.

The linker is called ld because it used to be called the loader, right?





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