From patchwork Tue Mar 17 15:51:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 1256636 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 48hdY06cfkz9sPR for ; Wed, 18 Mar 2020 03:14:44 +1100 (AEDT) Received: from localhost ([::1]:35688 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jEEra-0000ug-LF for incoming@patchwork.ozlabs.org; Tue, 17 Mar 2020 12:14:42 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37943) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jEEWC-0006F1-VQ for qemu-devel@nongnu.org; Tue, 17 Mar 2020 11:52:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jEEW7-0001VR-Qy for qemu-devel@nongnu.org; Tue, 17 Mar 2020 11:52:36 -0400 Received: from mout.kundenserver.de ([212.227.17.10]:41469) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jEEW7-0001PX-HC for qemu-devel@nongnu.org; Tue, 17 Mar 2020 11:52:31 -0400 Received: from localhost.localdomain ([78.238.229.36]) by mrelayeu.kundenserver.de (mreue109 [212.227.15.183]) with ESMTPSA (Nemesis) id 1MTAJl-1irru1395j-00UYB9; Tue, 17 Mar 2020 16:52:19 +0100 From: Laurent Vivier To: qemu-devel@nongnu.org Subject: [PULL v2 34/37] scripts: add a script to generate syscall_nr.h Date: Tue, 17 Mar 2020 16:51:13 +0100 Message-Id: <20200317155116.1227513-35-laurent@vivier.eu> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200317155116.1227513-1-laurent@vivier.eu> References: <20200317155116.1227513-1-laurent@vivier.eu> MIME-Version: 1.0 X-Provags-ID: V03:K1:UTV4/sM+Slrzhp9dxg1B7hgaWSTSIjlHRB9uYfpQf9py9QVPOuk SDM9P5Kv3keQ+w6Quk5DfeK5SY/pncLb4Kz1idB//O9dCpZ+Y4XJAVY8I1WvXeexR8CLkF9 0LJj8dpoSGjtyk4++SQAwWirPo0TsPFaqeSOmX/jFVmQZqCEtiwJJzUC5vpw/Y4JRZ1Q460 UW8CwSJMdxTvG/iZen4og== X-UI-Out-Filterresults: notjunk:1; V03:K0:KowhE5Ka8Io=:sFQRnLLFlxRk9Vfu4KNGEI qko68Pj+p+E/YReU1xFW061fK6s1bzQw7Zwuki2aI/n9G1oPjKu5fmqvYcocLns4gLot6JT2p lAY8cCCK36IaAYVFjJhpFpSMe7d0T+HMVszWbLBBdltyizo5kd9gCyrdkE8859K+TFxJwJigC 7E8pECgCVHS6cBiTTHSEFaP/u919WU++1nEp5p3l5qVwnyUkX3USpymlBbamcQnTK2cQIwcbL io4m4t8gU+p66IVgL/1FBaP/wxpbm4GILZgeH/yzUvShfA9gSmBkhK9e22hG0txzTmcTJlDb9 6ESXrkyH6R2b58NQwaeiw2ltmHj7GqtSnFBd2bD7og3OhHJQbRSj9VzxUsY3Baxpy2TF04uUL W343OJP1hNLV6vtY3CjVSddCYqZywIYvA1I6v8CMAreVGNurplcCCjImaSMX1bcMSFTVtlAvg arjiY9HQLoAn2kZ/M/0V6UsfvepkEZ1SEqMIPyMupDpdDOZbuJlOSvZFtaW5p4ETIBvKJxhJa RrWvqXn82axpFoxFdM8ACU3FsgW/uF4KL9Jr6wZ0cihxZmVWTtEdX4ulCjVyRN1b7gRVpsdFV vwbPkQczKfkwfanpB8HuwaWs/benlLBs2CSrjv9g4+Syb6XRRwDkp8zpW5dmC5bJWm51tf/XM iuH2qcqpiZ6/8Wde+rFmk5uv0VGxP2B4UQ0Ezi58Ha7kgDbfLhhdW8btjCY5H5wu0WwVUU9g8 ty0Zp3aUKIE4me3Zm5z2w/n8RjnmPwMdXeUHZRiiiD1i/d2o5hWANJ6ZEqPMdtJlcCE9Pxjqd 6iQeRnjlcuUVcu14YrrluM9JGFm5qLenwFrrSxazXYcWeq2w1jmYyz0+/jv3QKXOu+R9HEC X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 212.227.17.10 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: Richard Henderson , 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 Message-Id: <20200316085620.309769-2-laurent@vivier.eu> [lv: added file in MAINTAINERS] --- MAINTAINERS | 1 + scripts/gensyscalls.sh | 102 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 103 insertions(+) create mode 100755 scripts/gensyscalls.sh diff --git a/MAINTAINERS b/MAINTAINERS index 958e05b27f15..45d48992b13c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2450,6 +2450,7 @@ F: default-configs/*-linux-user.mak F: scripts/qemu-binfmt-conf.sh F: scripts/update-syscalltbl.sh F: scripts/update-mips-syscall-args.sh +F: scripts/gensyscalls.sh Tiny Code Generator (TCG) ------------------------- 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"