From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28499 invoked by alias); 25 Oct 2007 19:30:45 -0000 Received: (qmail 28489 invoked by uid 22791); 25 Oct 2007 19:30:45 -0000 X-Spam-Check-By: sourceware.org Received: from mail.codesourcery.com (HELO mail.codesourcery.com) (65.74.133.4) by sourceware.org (qpsmtpd/0.31) with ESMTP; Thu, 25 Oct 2007 19:30:43 +0000 Received: (qmail 19970 invoked from network); 25 Oct 2007 19:30:41 -0000 Received: from unknown (HELO localhost) (jimb@127.0.0.2) by mail.codesourcery.com with ESMTPA; 25 Oct 2007 19:30:41 -0000 To: Joel Brobecker Cc: Carlos Eduardo Seo , gdb-patches@sourceware.org Subject: Re: Problems while debugging fortran References: <46FAD136.5030406@linux.vnet.ibm.com> <20070926214619.GC9403@adacore.com> <471F70C0.3000206@linux.vnet.ibm.com> <20071024193336.GI11797@adacore.com> <20071024195719.GA16009@caradoc.them.org> <471FA810.6080506@linux.vnet.ibm.com> <471FBF9E.5000607@linux.vnet.ibm.com> <20071024220648.GL11797@adacore.com> <472098B2.5010605@linux.vnet.ibm.com> <20071025190627.GA4157@adacore.com> From: Jim Blandy Date: Thu, 25 Oct 2007 19:35:00 -0000 In-Reply-To: <20071025190627.GA4157@adacore.com> (Joel Brobecker's message of "Thu, 25 Oct 2007 12:06:27 -0700") Message-ID: User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-IsSubscribed: yes Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2007-10/txt/msg00671.txt.bz2 Joel Brobecker writes: > I agree with Jim's comment, but on the other hand, I propose a slightly > different way of saying this: > > /* In Fortran programs compiled with XLF, the only way we have found > so far to identify the main procedure is by using the fact that > the calling convention is different from the other procedures: > The DW_AT_calling_convention attribute is set to DW_CC_program. > > This is not the intent of this attribute as documented in the > DWARF standard, but we haven't found any other distinctive > characteristic of the main procedure, so we check the calling > convention for Fortran compilation units. */ > > I want to steer away from the concept of "entry point", because the > main is not necessarily the entry point. For instance, in Ada, the > entry point is distinct from the main procedure. > > Is Carlos Eduado's patch OK with the comment I suggest? This would be fine with me, too.