From patchwork Mon Mar 16 08:56:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 1255352 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=vivier.eu Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 48grbq5p66z9sPR for ; Mon, 16 Mar 2020 20:29:27 +1100 (AEDT) Received: from localhost ([::1]:36154 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jDm3p-0000HU-8J for incoming@patchwork.ozlabs.org; Mon, 16 Mar 2020 05:29:25 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58327) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jDlY8-0005nN-Im for qemu-devel@nongnu.org; Mon, 16 Mar 2020 04:56:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jDlY7-0004Yh-Bp for qemu-devel@nongnu.org; Mon, 16 Mar 2020 04:56:40 -0400 Received: from mout.kundenserver.de ([212.227.17.13]:53569) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jDlY7-0004NI-2Z for qemu-devel@nongnu.org; Mon, 16 Mar 2020 04:56:39 -0400 Received: from localhost.localdomain ([82.252.135.106]) by mrelayeu.kundenserver.de (mreue108 [212.227.15.183]) with ESMTPSA (Nemesis) id 1Mt71D-1jT5TE0N1l-00tULv; Mon, 16 Mar 2020 09:56:25 +0100 From: Laurent Vivier To: qemu-devel@nongnu.org Subject: [PATCH v3 1/4] scripts: add a script to generate syscall_nr.h Date: Mon, 16 Mar 2020 09:56:17 +0100 Message-Id: <20200316085620.309769-2-laurent@vivier.eu> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200316085620.309769-1-laurent@vivier.eu> References: <20200316085620.309769-1-laurent@vivier.eu> MIME-Version: 1.0 X-Provags-ID: V03:K1:paUhu87fai0bc55XxkcvyXlle9WCNvuQWyw4QMXOTWHbTY3Wfou 2+iRqN05G1mqnkryJwv6YHcyylVw9IU8fUP/tGksL/7aReGe/yz10t+iZQvk8OwqDxE+Aqr nq555bMP+onz8q0o2nSUE1gUM+dBl2gU/kfGzaNGKCOEwaika0E9x2w4qNnbxMgZDeX1YoR q9wwu9eUOjSDhxM0P+wqg== X-UI-Out-Filterresults: notjunk:1; V03:K0:O2r8lWPhCM4=:hWGagtIEwo4FE1ipiBF4DA 14Sbx1LoP8KcJEeoEpKvtoJhzWtjsQEvP2jhiGXEtE1JfIVH1WSGpUcsbo7mAp/e6wQIg4fpJ buWNo9QShKVg/zlusmSq4JaOq95p7CSqIgXggq2EzBH8RkmqhSJumQlAysQIGTBIfDO9Ztfh0 y/RLaPJnUXD+Zy0qiRVdu0AeNI3WY9mYANmC+vSyVv3afpnuQTcJj4MtZAVtWbiFKEdan2L5S 5lq+g2zcObjvAYgyB3URxxTcI1bYo0yVjEzUbV64dhOAP2ciFALYNTvJmfIpKo4PFyp1dR0I+ VAsjvAfwmyxyQbSkCn5/tk+KXEc+zeyDrOlSXWbKxRKD5G/fig8DbDrqalkAi1btUxBUyy+i4 XWD0Xh5zs+bYML9v+9PJE24x54Z1MEMzl/PHhT4DhrnVv0CIHT4N31Z64S5L9usfDM3kFKBkk CUoAchBOZIAP16eT/NDH+nzSMjpF4QVR/v1h4inpUjfxSC+APcKKxzsN0sFKSpb6dF+nbSuq/ WkocsiVoRte2Zx9YVeUCbpsJJqaLSftkA2a1/sy3A0PTFN4nwbTfGh8RLxGnbIGiMuNP+uzGc uU8SrdfaHIf0N+eK0m2NqteFwOC7LoTpGbtFs7vtF+AyNxhGclMn7HOj2nEr28ScsStvRcRvP 40jLU2Yen7ExQHvy/eT51d1NL5ImpxAEDIWCNDVSpl9oGd8hD/cYHl5FP9fEhC37iTdCQI5mV 5SxCeVl4FpjSVpTrNQmjNNEdsJ8uyYSeBaNweFCskqmPRyB/VH6M2KEzjOQMeTsxjGdrp7upP Z1VCE5x9kjHOZrrq6mxh6zVsTmrn8lDXlAmmtc1gXzU7t02fCJk47nbyw8OPGjcD5XPGXy1 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 212.227.17.13 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alistair Francis , Taylor Simpson , Riku Voipio , Richard Henderson , Laurent Vivier Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This script is needed for targets based on asm-generic syscall numbers generation Signed-off-by: Laurent Vivier Reviewed-by: Alistair Francis Reviewed-by: Taylor Simpson Reviewed-by: Richard Henderson --- Notes: v3: remove useless upper command v2: add comments suggested by Taylor scripts/gensyscalls.sh | 102 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100755 scripts/gensyscalls.sh diff --git a/scripts/gensyscalls.sh b/scripts/gensyscalls.sh new file mode 100755 index 000000000000..b7b8456f6312 --- /dev/null +++ b/scripts/gensyscalls.sh @@ -0,0 +1,102 @@ +#!/bin/sh +# +# Update syscall_nr.h files from linux headers asm-generic/unistd.h +# +# This code is licensed under the GPL version 2 or later. See +# the COPYING file in the top-level directory. +# + +linux="$1" +output="$2" + +TMP=$(mktemp -d) + +if [ "$linux" = "" ] ; then + echo "Needs path to linux source tree" 1>&2 + exit 1 +fi + +if [ "$output" = "" ] ; then + output="$PWD" +fi + +upper() +{ + echo "$1" | tr "[:lower:]" "[:upper:]" | tr "[:punct:]" "_" +} + +qemu_arch() +{ + case "$1" in + arm64) + echo "aarch64" + ;; + *) + echo "$1" + ;; + esac +} + +read_includes() +{ + arch=$1 + bits=$2 + + cpp -P -nostdinc -fdirectives-only \ + -D_UAPI_ASM_$(upper ${arch})_BITSPERLONG_H \ + -D__BITS_PER_LONG=${bits} \ + -I${linux}/arch/${arch}/include/uapi/ \ + -I${linux}/include/uapi \ + -I${TMP} \ + "${linux}/arch/${arch}/include/uapi/asm/unistd.h" +} + +filter_defines() +{ + grep -e "#define __NR_" -e "#define __NR3264" +} + +rename_defines() +{ + sed "s/ __NR_/ TARGET_NR_/g;s/(__NR_/(TARGET_NR_/g" +} + +evaluate_values() +{ + sed "s/#define TARGET_NR_/QEMU TARGET_NR_/" | \ + cpp -P -nostdinc | \ + sed "s/^QEMU /#define /" +} + +generate_syscall_nr() +{ + arch=$1 + bits=$2 + file="$3" + guard="$(upper LINUX_USER_$(qemu_arch $arch)_$(basename "$file"))" + + (echo "/*" + echo " * This file contains the system call numbers." + echo " * Do not modify." + echo " * This file is generated by scripts/gensyscalls.sh" + echo " */" + echo "#ifndef ${guard}" + echo "#define ${guard}" + echo + read_includes $arch $bits | filter_defines | rename_defines | \ + evaluate_values | sort -n -k 3 + echo + echo "#endif /* ${guard} */" + echo) > "$file" +} + +mkdir "$TMP/asm" +> "$TMP/asm/bitsperlong.h" + +generate_syscall_nr arm64 64 "$output/linux-user/aarch64/syscall_nr.h" +generate_syscall_nr nios2 32 "$output/linux-user/nios2/syscall_nr.h" +generate_syscall_nr openrisc 32 "$output/linux-user/openrisc/syscall_nr.h" + +generate_syscall_nr riscv 32 "$output/linux-user/riscv/syscall32_nr.h" +generate_syscall_nr riscv 64 "$output/linux-user/riscv/syscall64_nr.h" +rm -fr "$TMP"