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Re: AIX exception-handling vs. builtin_return_address
- To: David Edelsohn <dje at watson dot ibm dot com>
- Subject: Re: AIX exception-handling vs. builtin_return_address
- From: Richard Henderson <rth at redhat dot com>
- Date: Mon, 5 Feb 2001 15:31:01 -0800
- Cc: Mark Mitchell <mark at codesourcery dot com>, gcc at gcc dot gnu dot org, Franz dot Sirl-private at lauterbach dot com
- References: <mark@codesourcery.com> <200102021932.OAA25730@mal-ach.watson.ibm.com>
On Fri, Feb 02, 2001 at 02:32:45PM -0500, David Edelsohn wrote:
> My first question is whether the count == -1 test ever had any
> purpose. Does GCC use -1 to refer to a function in which a stack frame
> was not pushed?
Well, I wasn't planning on doing the archaeology to find
out if it _ever_ had a purpose, but I do know that it has
not been valid for quite some time. Since 2.7 certainly.
r~