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From: Alexandre Oliva <aoliva@redhat.com>
To: Kevin Buettner <kevinb@cygnus.com>
Cc: Jonathan Larmour <jlarmour@redhat.com>, gdb@sources.redhat.com
Subject: Re: SH breakpoint problem
Date: Tue, 07 Aug 2001 21:54:00 -0000	[thread overview]
Message-ID: <orofprp2x7.fsf@feijoada.lsd.ic.unicamp.br> (raw)
In-Reply-To: <1010807224211.ZM23418@ocotillo.lan>

On Aug  7, 2001, Kevin Buettner <kevinb@cygnus.com> wrote:

> My opinion is that gdb should use the information obtained from
> find_pc_line() only to refine the limit searched by the prologue
> scanner.  The prologue scanner needs to be taught that it must
> never scan past an instruction which modifies the flow of control
> (i.e, branch or call instructions).

This would cause a yet-to-be-contributed port I worked on to stop the
search too early, because some peculiarities of the ABI require
function calls to be inserted in the prologue in certain
circumstances.

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                  aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist    *Please* write to mailing lists, not to me


  reply	other threads:[~2001-08-07 21:54 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-08-06 19:45 Jonathan Larmour
2001-08-07  5:53 ` Jonathan Larmour
2001-08-07  7:26 ` Elena Zannoni
2001-08-07  7:33   ` Jonathan Larmour
2001-08-07  7:54     ` Elena Zannoni
2001-08-07  8:05       ` Jonathan Larmour
2001-08-09 14:49       ` Andrew Cagney
2001-08-09 16:52         ` Jonathan Larmour
2001-08-09 18:05           ` Andrew Cagney
2001-08-10 14:24             ` Jonathan Larmour
2001-08-07 15:42 ` Kevin Buettner
2001-08-07 21:54   ` Alexandre Oliva [this message]
2001-08-07 22:46     ` Kevin Buettner
2001-08-09 12:48       ` Jonathan Larmour
2001-08-09 13:29         ` Kevin Buettner
2001-08-09 14:05           ` Jonathan Larmour
2001-08-09 14:28             ` Andrew Cagney
2001-08-09 14:57             ` Kevin Buettner

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