1*41a0fea4Smartin/* $NetBSD: compident.S,v 1.4 2016/05/01 08:33:14 martin Exp $ */ 2350c876fSmartin 3350c876fSmartin/*- 4350c876fSmartin * Copyright (c) 2002, 2008 The NetBSD Foundation, Inc. 5350c876fSmartin * All rights reserved. 6350c876fSmartin * 7350c876fSmartin * This code is derived from software contributed to The NetBSD Foundation 8350c876fSmartin * by Martin Husemann <martin@NetBSD.org>. 9350c876fSmartin * 10350c876fSmartin * Redistribution and use in source and binary forms, with or without 11350c876fSmartin * modification, are permitted provided that the following conditions 12350c876fSmartin * are met: 13350c876fSmartin * 1. Redistributions of source code must retain the above copyright 14350c876fSmartin * notice, this list of conditions and the following disclaimer. 15350c876fSmartin * 2. Redistributions in binary form must reproduce the above copyright 16350c876fSmartin * notice, this list of conditions and the following disclaimer in the 17350c876fSmartin * documentation and/or other materials provided with the distribution. 18350c876fSmartin * 19350c876fSmartin * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20350c876fSmartin * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21350c876fSmartin * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22350c876fSmartin * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23350c876fSmartin * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24350c876fSmartin * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25350c876fSmartin * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26350c876fSmartin * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27350c876fSmartin * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28350c876fSmartin * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29350c876fSmartin * POSSIBILITY OF SUCH DAMAGE. 30350c876fSmartin */ 31350c876fSmartin 32350c876fSmartin 33350c876fSmartin/* 34350c876fSmartin * This file is used to generate a note describing the code model in use by 35350c876fSmartin * the compiler on some architectures where this has consequences for the 36350c876fSmartin * VA layout applied by the kernel. On sparc64 the topdown VA layout can 37350c876fSmartin * only be enabled for processes compiled with -mcmodel=medany or greater, 38350c876fSmartin * but not for processes without this note or -mcmodel=medlow. 39350c876fSmartin * 40350c876fSmartin * The note looks similar to the .note.netbsd.march note used (for example) 41350c876fSmartin * on arm to note the ABI used by the process. 42350c876fSmartin * 43350c876fSmartin * [NOTE HEADER] 44350c876fSmartin * long name size 45350c876fSmartin * long content size 46350c876fSmartin * long note type 47350c876fSmartin * 48350c876fSmartin * [NOTE DATUM] 49350c876fSmartin * string code model (for sparc64: medlow, medmid, medany, 50350c876fSmartin * the embedany model is never PIC, so not used here) 51350c876fSmartin * 52350c876fSmartin * The DATUM fields should be padded out such that their actual (not 53350c876fSmartin * declared) sizes % 4 == 0. 54350c876fSmartin */ 55350c876fSmartin 56350c876fSmartin#include "sysident_assym.h" 57350c876fSmartin 58*41a0fea4Smartin .section .note.netbsd.mcmodel,"MG",@note,3*4+CONTENTLENGTH+ELF_NOTE_MCMODEL_NAMESZ+1,comdat 59350c876fSmartin .p2align 2 60350c876fSmartin 61350c876fSmartin .long ELF_NOTE_MCMODEL_NAMESZ 62350c876fSmartin .long CONTENTLENGTH 63350c876fSmartin .long ELF_NOTE_TYPE_MCMODEL_TAG 64350c876fSmartin .ascii "NetBSD\0\0" 65350c876fSmartin .ascii CONTENT 66c9d1a35bSjoerg .p2align 2 67