From patchwork Sun Aug 27 20:01:24 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Samuel Thibault X-Patchwork-Id: 22373 Received: (qmail 364 invoked by alias); 27 Aug 2017 20:01:31 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 130544 invoked by uid 89); 27 Aug 2017 20:01:30 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-26.1 required=5.0 tests=BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, SPF_HELO_PASS, SPF_NEUTRAL autolearn=ham version=3.3.2 spammy=samuel, Samuel, digit X-HELO: hera.aquilenet.fr Date: Sun, 27 Aug 2017 22:01:24 +0200 From: Samuel Thibault To: libc-alpha@sourceware.org Subject: [hurd,commited] Add system-specific sysmacros.h Message-ID: <20170827200124.rso63v6z5oyzpgcg@var.youpi.perso.aquilenet.fr> MIME-Version: 1.0 Content-Disposition: inline User-Agent: NeoMutt/20170113 (1.7.2) * sysdeps/mach/hurd/bits/sysmacros.h: New file. diff --git a/ChangeLog b/ChangeLog index bc1cf94dc3..1b0f15573a 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +2017-08-27 Samuel Thibault + + * sysdeps/mach/hurd/bits/sysmacros.h: New file. + 2017-08-25 H.J. Lu * sysdeps/x86/cpu-features.h [__ASSEMBLER__] diff --git a/sysdeps/mach/hurd/bits/sysmacros.h b/sysdeps/mach/hurd/bits/sysmacros.h new file mode 100644 index 0000000000..3fc68f8564 --- /dev/null +++ b/sysdeps/mach/hurd/bits/sysmacros.h @@ -0,0 +1,60 @@ +/* Definitions of macros to access `dev_t' values. Hurd version. + Copyright (C) 1996-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#ifndef _BITS_SYSMACROS_H +#define _BITS_SYSMACROS_H 1 + +#ifndef _SYS_SYSMACROS_H +# error "Never include directly; use instead." +#endif + +/* The Hurd version of dev_t in glibc is a 32-bit quantity, with 8-bit + major and 24-bit minor numbers. The encoding is mmmmMMmm, where M is a + hex digit of the major number and m is a hex digit of the minor number. */ + +#define __SYSMACROS_DECLARE_MAJOR(DECL_TEMPL) \ + DECL_TEMPL(unsigned int, major, (__dev_t __dev)) + +#define __SYSMACROS_DEFINE_MAJOR(DECL_TEMPL) \ + __SYSMACROS_DECLARE_MAJOR (DECL_TEMPL) \ + { \ + return ((__dev & (__dev_t) 0x0000ff00u) >> 8); \ + } + +#define __SYSMACROS_DECLARE_MINOR(DECL_TEMPL) \ + DECL_TEMPL(unsigned int, minor, (__dev_t __dev)) + +#define __SYSMACROS_DEFINE_MINOR(DECL_TEMPL) \ + __SYSMACROS_DECLARE_MINOR (DECL_TEMPL) \ + { \ + return (__dev & (__dev_t) 0xffff00ff); \ + } + +#define __SYSMACROS_DECLARE_MAKEDEV(DECL_TEMPL) \ + DECL_TEMPL(__dev_t, makedev, (unsigned int __major, unsigned int __minor)) + +#define __SYSMACROS_DEFINE_MAKEDEV(DECL_TEMPL) \ + __SYSMACROS_DECLARE_MAKEDEV (DECL_TEMPL) \ + { \ + __dev_t __dev; \ + __dev = (((__dev_t) (__major & 0x000000ffu)) << 8); \ + __dev |= (((__dev_t) (__minor & 0xffff00ffu)) << 0); \ + return __dev; \ + } + +#endif /* bits/sysmacros.h */