From owner-svn-src-all@freebsd.org Sun Sep 30 16:57:32 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B8DB21097AD4; Sun, 30 Sep 2018 16:57:31 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 6C87A8A307; Sun, 30 Sep 2018 16:57:31 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 6778C14FF1; Sun, 30 Sep 2018 16:57:31 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w8UGvVFL060744; Sun, 30 Sep 2018 16:57:31 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w8UGvVMt060743; Sun, 30 Sep 2018 16:57:31 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201809301657.w8UGvVMt060743@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Sun, 30 Sep 2018 16:57:31 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r339025 - head/sys/x86/include X-SVN-Group: head X-SVN-Commit-Author: kib X-SVN-Commit-Paths: head/sys/x86/include X-SVN-Commit-Revision: 339025 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 30 Sep 2018 16:57:32 -0000 Author: kib Date: Sun Sep 30 16:57:30 2018 New Revision: 339025 URL: https://svnweb.freebsd.org/changeset/base/339025 Log: Update x86/ifunc.h. Remove ifunc emulation. Add helper for usermode ifunc resolver definition. Update copyright years. Sponsored by: The FreeBSD Foundation Approved by: re (rgrimes) MFC after: 1 week Modified: head/sys/x86/include/ifunc.h Modified: head/sys/x86/include/ifunc.h ============================================================================== --- head/sys/x86/include/ifunc.h Sun Sep 30 16:21:31 2018 (r339024) +++ head/sys/x86/include/ifunc.h Sun Sep 30 16:57:30 2018 (r339025) @@ -1,5 +1,5 @@ /*- - * Copyright (c) 2015, 2017 The FreeBSD Foundation + * Copyright (c) 2015-2018 The FreeBSD Foundation * All rights reserved. * * This software was developed by Konstantin Belousov @@ -32,27 +32,19 @@ #ifndef __X86_IFUNC_H #define __X86_IFUNC_H -#define DECLARE_LIFUNC(ret_type, name, args) \ -ret_type name args - -#define DEFINE_LIFUNC(scope, selector_qual, ret_type, name, args) \ -__asm__ (scope "\t" #name "\n" \ - "\t.type\t" #name ",@function\n" \ - #name ":\n" \ - "\tjmp *" #name "_selector\n" \ - "\t.size\t" #name ",\t. - "#name); \ -selector_qual ret_type (*name##_selector)args __used; \ -DECLARE_LIFUNC(ret_type, name, args) - -#define DEFINE_STATIC_LIFUNC(ret_type, name, args) \ - DEFINE_LIFUNC(".local", static, ret_type, name, args) - -#define DEFINE_GLOBAL_LIFUNC(ret_type, name, args) \ - DEFINE_LIFUNC(".globl", , ret_type, name, args) - -#define DEFINE_IFUNC(qual, ret_type, name, args, resolver_qual) \ +#define DEFINE_IFUNC(qual, ret_type, name, args, resolver_qual) \ resolver_qual ret_type (*name##_resolver(void))args __used; \ qual ret_type name args __attribute__((ifunc(#name "_resolver"))); \ resolver_qual ret_type (*name##_resolver(void))args + +#define DEFINE_UIFUNC(qual, ret_type, name, args, resolver_qual) \ + resolver_qual ret_type (*name##_resolver(uint32_t, uint32_t, \ + uint32_t, uint32_t))args __used; \ + qual ret_type name args __attribute__((ifunc(#name "_resolver"))); \ + resolver_qual ret_type (*name##_resolver( \ + uint32_t cpu_feature __unused, \ + uint32_t cpu_feature2 __unused, \ + uint32_t cpu_stdext_feature __unused, \ + uint32_t cpu_stdext_feature2 __unused))args #endif