From owner-svn-src-head@freebsd.org Tue Jan 30 18:29:38 2018 Return-Path: Delivered-To: svn-src-head@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 9F600EDAAF9; Tue, 30 Jan 2018 18:29:38 +0000 (UTC) (envelope-from emaste@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 51E6F7A772; Tue, 30 Jan 2018 18:29:38 +0000 (UTC) (envelope-from emaste@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 4CEF71AD51; Tue, 30 Jan 2018 18:29:38 +0000 (UTC) (envelope-from emaste@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w0UITctH028031; Tue, 30 Jan 2018 18:29:38 GMT (envelope-from emaste@FreeBSD.org) Received: (from emaste@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w0UITcRI028030; Tue, 30 Jan 2018 18:29:38 GMT (envelope-from emaste@FreeBSD.org) Message-Id: <201801301829.w0UITcRI028030@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: emaste set sender to emaste@FreeBSD.org using -f From: Ed Maste Date: Tue, 30 Jan 2018 18:29:38 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r328598 - head/sys/kern X-SVN-Group: head X-SVN-Commit-Author: emaste X-SVN-Commit-Paths: head/sys/kern X-SVN-Commit-Revision: 328598 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 Jan 2018 18:29:38 -0000 Author: emaste Date: Tue Jan 30 18:29:38 2018 New Revision: 328598 URL: https://svnweb.freebsd.org/changeset/base/328598 Log: makesyscalls: permit a range of syscall numbers for UNIMPL Some ABIs have large gaps in syscall numbers. Allow gaps to be filled as ranges of UNIMPL, with an entry like: 248-1023 AUE_NULL UNIMPL unimplemented Reviewed by: jhb, gnn Sponsored by: Turing Robotic Industries Inc. Differential Revision: https://reviews.freebsd.org/D14122 Modified: head/sys/kern/makesyscalls.sh Modified: head/sys/kern/makesyscalls.sh ============================================================================== --- head/sys/kern/makesyscalls.sh Tue Jan 30 17:20:28 2018 (r328597) +++ head/sys/kern/makesyscalls.sh Tue Jan 30 18:29:38 2018 (r328598) @@ -254,13 +254,6 @@ sed -e ' print > systraceret next } - syscall != $1 { - printf "%s: line %d: syscall number out of sync at %d\n", - infile, NR, syscall - printf "line is:\n" - print - exit 1 - } # Returns true if the type "name" is the first flag in the type field function type(name, flags, n) { n = split($3, flags, /\|/) @@ -274,6 +267,29 @@ sed -e ' return 1 return 0 } + { + n = split($1, syscall_range, /-/) + if (n == 1) { + syscall_range[2] = syscall_range[1] + } else if (n == 2) { + if (!type("UNIMPL")) { + printf "%s: line %d: range permitted only with UNIMPL\n", + infile, NR + exit 1 + } + } else { + printf "%s: line %d: invalid syscall number or range %s\n", + infile, NR, $1 + exit 1 + } + } + syscall != syscall_range[1] { + printf "%s: line %d: syscall number out of sync at %d\n", + infile, NR, syscall + printf "line is:\n" + print + exit 1 + } function align_sysent_comment(column) { printf("\t") > sysent column = column + 8 - column % 8 @@ -614,11 +630,13 @@ sed -e ' next } type("UNIMPL") { - printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0, SY_THR_ABSENT },\t\t\t/* %d = %s */\n", - syscall, comment) > sysent - printf("\t\"#%d\",\t\t\t/* %d = %s */\n", - syscall, syscall, comment) > sysnames - syscall++ + while (syscall <= syscall_range[2]) { + printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0, SY_THR_ABSENT },\t\t\t/* %d = %s */\n", + syscall, comment) > sysent + printf("\t\"#%d\",\t\t\t/* %d = %s */\n", + syscall, syscall, comment) > sysnames + syscall++ + } next } {