From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30776 invoked by alias); 8 Mar 2012 14:40:38 -0000 Received: (qmail 30766 invoked by uid 22791); 8 Mar 2012 14:40:37 -0000 X-SWARE-Spam-Status: No, hits=-1.0 required=5.0 tests=AWL,BAYES_00,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mail.allinea.com (HELO mail.allinea.com) (94.125.131.200) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 08 Mar 2012 14:40:24 +0000 Received: from localhost (localhost [127.0.0.1]) by mail.allinea.com (Postfix) with ESMTP id 7014E12FBFE for ; Thu, 8 Mar 2012 14:40:23 +0000 (GMT) Received: from mail.allinea.com ([127.0.0.1]) by localhost (mail.allinea.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0AkOggYSBxIc for ; Thu, 8 Mar 2012 14:40:23 +0000 (GMT) Received: from [192.168.0.6] (cpc11-sotn9-2-0-cust158.15-1.cable.virginmedia.com [81.101.103.159]) (Authenticated sender: cjanuary) by mail.allinea.com (Postfix) with ESMTPSA id 1EEF612FBFC for ; Thu, 8 Mar 2012 14:40:23 +0000 (GMT) Message-ID: <1331217602.2742.14.camel@gumtree> Subject: [PATCH] AIX: Add another way of setting up the frame pointer to skip_prologue From: Chris January To: gdb-patches@sourceware.org Content-Type: text/plain; charset="UTF-8" Date: Thu, 08 Mar 2012 14:40:00 -0000 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit 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: 2012-03/txt/msg00268.txt.bz2 Add support for compilers that use the oril r29, r1, 0x0 instruction to set up the frame pointer. 2012-03-08 Chris January * rs6000-tdep.c (skip_prologue): Support the oril r29, r1, 0x0 instruction. --- diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c index a8ff777..9d4fd40 100644 --- a/gdb/rs6000-tdep.c +++ b/gdb/rs6000-tdep.c @@ -1822,6 +1822,15 @@ skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc, CORE_ADDR lim_pc, /* Set up frame pointer */ } + else if (op == 0x603d0000 /* oril r29, r1, 0x0 */) + { + fdata->frameless = 0; + framep = 1; + fdata->alloca_reg = (tdep->ppc_gp0_regnum + 29); + continue; + + /* Another way to set up the frame pointer. */ + } else if (op == 0x603f0000 /* oril r31, r1, 0x0 */ || op == 0x7c3f0b78) { /* mr r31, r1 */