From patchwork Sat Mar 14 11:39:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 1254839 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 48fgbr42Mlz9sPJ for ; Sat, 14 Mar 2020 22:40:24 +1100 (AEDT) Received: from localhost ([::1]:43980 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jD59S-00040u-A8 for incoming@patchwork.ozlabs.org; Sat, 14 Mar 2020 07:40:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53597) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jD58m-00040o-2g for qemu-devel@nongnu.org; Sat, 14 Mar 2020 07:39:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jD58i-0004vl-ST for qemu-devel@nongnu.org; Sat, 14 Mar 2020 07:39:39 -0400 Received: from mout.kundenserver.de ([212.227.126.134]:36489) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jD58h-0004n1-L3 for qemu-devel@nongnu.org; Sat, 14 Mar 2020 07:39:35 -0400 Received: from localhost.localdomain ([82.252.135.106]) by mrelayeu.kundenserver.de (mreue009 [212.227.15.167]) with ESMTPSA (Nemesis) id 1MTznO-1inCFY2syI-00R1TA; Sat, 14 Mar 2020 12:39:26 +0100 From: Laurent Vivier To: qemu-devel@nongnu.org Subject: [PATCH v2 1/4] scripts: add a script to generate syscall_nr.h Date: Sat, 14 Mar 2020 12:39:19 +0100 Message-Id: <20200314113922.233353-2-laurent@vivier.eu> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200314113922.233353-1-laurent@vivier.eu> References: <20200314113922.233353-1-laurent@vivier.eu> MIME-Version: 1.0 X-Provags-ID: V03:K1:/waqe7BHcdWI/bjungRZH1rmP7Q5rqRXDhR7H9n91n3I0nm/u64 XHgHaKNMGYEN3rMA4QwaU6E39gZ3eS0LIF8pdI82X2/MofnhDJ1DQ59reGY+J6Uok/YNYUA wnDyYcLAxJb3x+Ny5F+kzP2LnAmwYIqjbt748DlMd9f+ZakVRSvte7c4G+L2iikXVbcisxW 6rKaA+SNUWqTgL+dJJoVA== X-UI-Out-Filterresults: notjunk:1; V03:K0:A4n6unve7z8=:b8eBrPDygn5lbg3udnAGM9 We20VKwtlyDoPqsJlrsamnSRaG2tYQ5w2dDFxm0wfHeSMdeurSRTtAGXtwZJ7SUJNEyVWp1as 1ylG9slCa3T7SDs6Q4epLjKJuBFKABh4GM5epcqjoPGYtw2Q0lSMbPUf0km45aqgaoeVirSSR GveLNEcO5QMwlOM92m2bcZPcOiYn1HlLgP7w2t+XvnTFQQW3pAkECVeMTsRd4T9veilmOLwbt VH0cUf5HBmzXGwqhDOunoiq5ZPUXOKOUSQReIanzFr9IFbNhMYwHVPx/nFI6Sa3SDACrAlZPJ JrhPslyke4ViR0m2l1+Zb2fuTHNpEAvgvDRRR9XFhG+wV/q++1krRUrpOsFI+wDoljvtKJOgF h/oLCFpIawAtkmGbDgYY9xbEUmNDkMUBL69oVjhmIhsPw0IjfAPeNAYi9QEXjP2xFaa+9biAY DlH1WpwHH3PnlkDsitJBpHgnRw7IO/BaBn7NFrQ95tlbOJx0B2cFagIK4AomIfl0B2hva+DLi EtHDwiiAcLzAk7qPZfW3ZBaKKggFZT7a9ETi7/3AYN4F8gFjxItPBk5OwQzkg5TCinpJMVErm xR6aSCFezfsJRYJTMI8/axZG2munNmBmyy0OWZkmmAJdFAXe56bSOeWu+EKIzlqyc6iZJBd4Q m5NEbKnOIdlZfoCytjcWFnKCnyeeYabykKmNw7HSGWa/udeow+6jmSk5Ss2lr7agfxXaNCNyC tJKcEEFg/pywx3FDAcxzLbRUbotM3voOjjJHdAGwkTvKyGb1zbA7NZQZJ0Tp9ixvTU5tUyGMU DsG6XoEhpsz9FlTn6TEyJdRv92RXp78rb05VuHXw+RJtCXzsmoWsRbVylxNnIjNoNr9ENdr X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 212.227.126.134 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: Taylor Simpson , Riku Voipio , Alistair Francis , 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: 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..71557ab45be3 --- /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" + ;; + *) + upper "$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"