From patchwork Mon Mar 16 16:15:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 1255684 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 48h3XR6963z9sPF for ; Tue, 17 Mar 2020 04:42:15 +1100 (AEDT) Received: from localhost ([::1]:44656 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jDtkj-000246-OK for incoming@patchwork.ozlabs.org; Mon, 16 Mar 2020 13:42:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41429) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jDsQK-0008FA-CM for qemu-devel@nongnu.org; Mon, 16 Mar 2020 12:17:08 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jDsQG-0005mE-On for qemu-devel@nongnu.org; Mon, 16 Mar 2020 12:17:04 -0400 Received: from mout.kundenserver.de ([212.227.126.130]:42961) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jDsQG-0005fh-Cz for qemu-devel@nongnu.org; Mon, 16 Mar 2020 12:17:00 -0400 Received: from localhost.localdomain ([82.252.135.106]) by mrelayeu.kundenserver.de (mreue012 [212.227.15.167]) with ESMTPSA (Nemesis) id 1MWhxY-1ipjoo3aGW-00X6bn; Mon, 16 Mar 2020 17:16:51 +0100 From: Laurent Vivier To: qemu-devel@nongnu.org Subject: [PULL 35/38] scripts: add a script to generate syscall_nr.h Date: Mon, 16 Mar 2020 17:15:47 +0100 Message-Id: <20200316161550.336150-36-laurent@vivier.eu> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200316161550.336150-1-laurent@vivier.eu> References: <20200316161550.336150-1-laurent@vivier.eu> MIME-Version: 1.0 X-Provags-ID: V03:K1:0PBAPYPHrfYFgos0A4IzO7khiE+tqctDPkMDXNwMXUXLJsQ2K5k tC7qVVnH1yhsvNmZBxAs+P+iQ6XkAFVtmBcbqCmCTGjyoRnMs8/dGO0SQ0Bki5IePXC+Suo sMum16ihRIBxyk2cE1UrlTof+ycYPVIqSD8ZqE86RMT+auw6imDGpgltUxBZn0J85l08Kd/ IM0E5QwMx+sodafQ5dopg== X-UI-Out-Filterresults: notjunk:1; V03:K0:IHnW0WlVUbE=:zDvhSerBa7f/bUxVJwG+oB C2IvRczfZtxqjnvlWTDL7Vl48/piAO7mTkynZtSJH3NRkLF7Rpqe5fvwPRwR815C9TO1LqTDK 75o1nDF5/M8V3yaaKoZsD+iSE2xwHQ6BPHz9JnGeikYna/TuAlE4iCF7vnoAuBzMfdr0IiP5B AgtbISrJq9Q5Gp+YyR6A1UozitahhKZKEGd7ifNu0FRSoqKJmCg1m60DzFLIdyHboU9Ubjdx5 IYzh5q+9gGEc3DBmBMIrh3UthJzhQDjwmb9j2yCN5yU/H3V7qW7WKFD1lj/j84Zo3BGHjwt1w TbXqb4dPc4pWy54mxZraTl/QPgrhlY8VZpJsYAunG8oRbntur1xspuVvsOqVqWgKlYUVrr6Vo AsnkBxfP9259FSVqyBV1EhYM+XnCYlOTjQK2Gl0Cqq3M0r2EFiUwofpsGevBj1KWnYmrAJT0O pH7A9RwNmdkZIBrHkvoRx1mVbXF7Nv8ECxgBpWH75lxECf2UO8G8oWkpnDdyb/eHpIQVMvE4q 77dIPUaEOyZ0ZTQ88dMEybT9nO1/rn+WwgDDm24l/C9HYY7MzIIjDMTELi8arocN1XA6tqths fkh7DkKSp78xcX9mvrNqyYKC2px7u9MMbqdMJSfI/SNku112PbsYbPKGjXyKJM8mkih5MrHCR ZvVbN+LK4QOM5Zzlwizp2AggXpZ4ZqLUrgqNVZ1EelaRAanP/cPgLRGd47vRvCf7/ZVPlmXsr BjE09FVs7ak1Spstgpqh7DfmNNWAvpVa3T2WVTiqDXqomTQu05rHW0JRXsFS6BeZPbagQpFZm sYNLazr0saursyLrTTMpKRlFgR1RjgDaIpsox2ND6lM8emzvvJuhk7lrpH9s/gop5AmkZLN X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 212.227.126.130 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"