From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1612 invoked by alias); 20 Oct 2012 23:47:55 -0000 Received: (qmail 1604 invoked by uid 22791); 20 Oct 2012 23:47:55 -0000 X-SWARE-Spam-Status: No, hits=-2.6 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,KHOP_RCVD_TRUST,RCVD_IN_DNSWL_LOW,RCVD_IN_HOSTKARMA_YE,SARE_RECV_IP_222064 X-Spam-Check-By: sourceware.org Received: from mail-pa0-f41.google.com (HELO mail-pa0-f41.google.com) (209.85.220.41) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sat, 20 Oct 2012 23:47:49 +0000 Received: by mail-pa0-f41.google.com with SMTP id fa10so1258161pad.0 for ; Sat, 20 Oct 2012 16:47:48 -0700 (PDT) Received: by 10.66.88.198 with SMTP id bi6mr15446233pab.23.1350776868624; Sat, 20 Oct 2012 16:47:48 -0700 (PDT) Received: from gnu-tools-1.localdomain ([222.70.68.37]) by mx.google.com with ESMTPS id j8sm3369682paz.30.2012.10.20.16.47.46 (version=TLSv1/SSLv3 cipher=OTHER); Sat, 20 Oct 2012 16:47:48 -0700 (PDT) Received: by gnu-tools-1.localdomain (Postfix, from userid 1000) id E19FB1A0442; Sat, 20 Oct 2012 16:47:41 -0700 (PDT) Date: Sat, 20 Oct 2012 23:47:00 -0000 From: "H.J. Lu" To: GDB Subject: [7.5] PATCH: PR backtrace/14646 [x32] backtrace doesn't work Message-ID: <20121020234741.GA3626@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) 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: 2012-10/txt/msg00371.txt.bz2 Hi, This patch backports the fix from trunk to 7.5 branch. Tested on Linux/x86-64 and Linux/x32. OK to install? Thanks. H.J. ---- PR backtrace/14646 PR gdb/14647 * i386-tdep.h (gdbarch_tdep): Remove sp_regnum_from_eax and pc_regnum_from_eax. * i386-tdep.c (i386_gdbarch_init): Don't use sp_regnum_from_eax nor pc_regnum_from_eax. * amd64-tdep.c (amd64_x32_init_abi): Don't set sp_regnum_from_eax nor pc_regnum_from_eax. diff --git a/gdb/amd64-tdep.c b/gdb/amd64-tdep.c index 5424926..8ae1142 100644 --- a/gdb/amd64-tdep.c +++ b/gdb/amd64-tdep.c @@ -2946,9 +2946,6 @@ amd64_x32_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) tdesc = tdesc_x32; tdep->tdesc = tdesc; - tdep->sp_regnum_from_eax = AMD64_RSP_REGNUM; - tdep->pc_regnum_from_eax = AMD64_RIP_REGNUM; - tdep->num_dword_regs = 17; set_tdesc_pseudo_register_type (gdbarch, amd64_x32_pseudo_register_type); diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c index 84e9794..ddb20aa 100644 --- a/gdb/i386-tdep.c +++ b/gdb/i386-tdep.c @@ -7705,9 +7705,6 @@ i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) tdep->num_mmx_regs = 8; tdep->num_ymm_regs = 0; - tdep->sp_regnum_from_eax = -1; - tdep->pc_regnum_from_eax = -1; - tdesc_data = tdesc_data_alloc (); set_gdbarch_relocate_instruction (gdbarch, i386_relocate_instruction); @@ -7752,14 +7749,6 @@ i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) /* Support dword pseudo-register if it hasn't been disabled. */ tdep->eax_regnum = ymm0_regnum; ymm0_regnum += tdep->num_dword_regs; - if (tdep->sp_regnum_from_eax != -1) - set_gdbarch_sp_regnum (gdbarch, - (tdep->eax_regnum - + tdep->sp_regnum_from_eax)); - if (tdep->pc_regnum_from_eax != -1) - set_gdbarch_pc_regnum (gdbarch, - (tdep->eax_regnum - + tdep->pc_regnum_from_eax)); } else tdep->eax_regnum = -1; diff --git a/gdb/i386-tdep.h b/gdb/i386-tdep.h index 76afdce..5f233f5 100644 --- a/gdb/i386-tdep.h +++ b/gdb/i386-tdep.h @@ -149,14 +149,6 @@ struct gdbarch_tdep of pseudo dword register support. */ int eax_regnum; - /* Register number for SP, relative to %eax. Set this to -1 to - indicate the absence of pseudo SP register support. */ - int sp_regnum_from_eax; - - /* Register number for PC, relative to %eax. Set this to -1 to - indicate the absence of pseudo PC register support. */ - int pc_regnum_from_eax; - /* Number of core registers. */ int num_core_regs;