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Re: How to use the garbage collector?

To: Fergus Henderson <fjh at cs dot mu dot oz dot au>
Subject: Re: How to use the garbage collector?
From: Richard Henderson <rth at redhat dot com>
Date: Tue, 2 Jan 2001 01:06:47 -0800
Cc: Peter Gerwinski <peter at gerwinski dot de>, gcc at gcc dot gnu dot org
References: <20010102035117.B10663@esmeralda.gerwinski.de> <20010102185745.B2460@hg.cs.mu.oz.au>

On Tue, Jan 02, 2001 at 06:57:45PM +1100, Fergus Henderson wrote:
> 1. Delete obstack code.
> 2. Register your roots.
> 3. Mark your types.

Yep.

> I think you probably also need to register any local variables which
> contain pointers to GC'd memory, and which are not linked to from
> other memory that will be traced, and which are live when ggc_collect
> () is called.

See the use of ggc_push_context and ggc_pop_context in e.g.
cp/semantics.c for an alternative to marking local variables.


r~

References:
- How to use the garbage collector?
  - From: Peter Gerwinski
- Re: How to use the garbage collector?
  - From: Fergus Henderson

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