From patchwork Mon Oct 9 16:40:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Alex_Benn=C3=A9e?= X-Patchwork-Id: 731012 Delivered-To: patch@linaro.org Received: by 2002:a5d:574c:0:b0:31d:da82:a3b4 with SMTP id q12csp1311818wrw; Mon, 9 Oct 2023 09:45:02 -0700 (PDT) X-Google-Smtp-Source: AGHT+IF+xqSLSJAOX7SWDPHIxyjSjSUUQhG2xYIyyGxVZTbHcBRZkxRF4jbvsFbEZwaG5lZSVxBW X-Received: by 2002:a0d:d54f:0:b0:5a1:f0f8:4280 with SMTP id x76-20020a0dd54f000000b005a1f0f84280mr17075228ywd.22.1696869902520; Mon, 09 Oct 2023 09:45:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1696869902; cv=none; d=google.com; s=arc-20160816; b=Jp61RDDS9W9CZJALhG3WVIXuJAeVhJ0aZrknfFr+p4Ny9/fptbcNSnm41HBe+PH1QU e63cx2ZrmavQ490jbgCSI6ffpS+VwEOqTmPCrz7Owde8DBPuHkgeHg7LWERFG+XOxI2U /WS0sgj0PXReeVqSRGfGPvKQnmxob2cFUcTFEON0ew8WeIFRoT2S3ZrxpY8Qoa8RXMKP JJh5XrMQnPU2k2rvECRSA13wZ0TpNhQNcrcYz1p5CcrICC5DRE76x0Ri8Wv2XbqKAkeG YoI3ULXPCGw9PdmK2/Q1rngD43faVFnPWyaoL8T8Eu9sahYrH0sfkJqsP4DAQ/7APFc0 lCLA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=AWA+klmfy/TO5hWaoCvOZgcBSQ2FgQ8iT7JhCCX/n5c=; fh=FL21b9FDJBPKO4Cw1gBqBPIr8gb5CEXpVKTgM6hLIl8=; b=pop8OuCX8xd9GtkmQoQRrFmkMfMPDdKfpZe+aBA/DXZXUB4WBCNV+PgiYedteDccIG 6ZxKGejP+8Zp88Yl8bi6F7j3kOGnl/8xq3gFYg+QZL8K+vO3eWdUZnSx/Cwa3r8Ze6Mw JnIpUWeSxL6J2A2uKROIdrySqV/8YYKM1rNh113B9dMxREsDfdTRbaZaPiovGsITz8bP Jg32fkMfMNEicSvKkjSciua9gUYF6jrj+Q5KD5UD4tSYi21T+0962deDoS9/OVaauXRz Pg1oRhKFYYOGWCvTGAi+lWr5hretzjr5SAO/LhNYxAuHkvJNR60uCCC+TGD+GHB9TAxD o5mA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=kDIxXYYs; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id f8-20020a05622a104800b004198cd716a8si6207770qte.276.2023.10.09.09.45.02 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 09 Oct 2023 09:45:02 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=kDIxXYYs; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qptM3-0001H6-Gv; Mon, 09 Oct 2023 12:43:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qptKH-00064R-Mc for qemu-devel@nongnu.org; Mon, 09 Oct 2023 12:41:50 -0400 Received: from mail-wm1-x32f.google.com ([2a00:1450:4864:20::32f]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qptJj-0001b0-Q9 for qemu-devel@nongnu.org; Mon, 09 Oct 2023 12:41:49 -0400 Received: by mail-wm1-x32f.google.com with SMTP id 5b1f17b1804b1-40572aeb673so46084125e9.0 for ; Mon, 09 Oct 2023 09:41:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1696869674; x=1697474474; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=AWA+klmfy/TO5hWaoCvOZgcBSQ2FgQ8iT7JhCCX/n5c=; b=kDIxXYYs9DPP4a3eQzE/wyi4bki3llBOu8sDpq9GRUPgYwVeCK8THzArnbfpTsRdQI zESHqU9YJsqANpKp+dOpgNjg6NnzUoQ1nedJ36SH0XzIIXncE9r8XR7JvqWh2gpHklS7 eebEBywKCBTcmWNS5/FSqwObCFBOojXURnnC3Kq2MxQkLi4odRVFnmI3mXlBZ0N9rB/Q JWIP6j0Y9+dl3T4DRZ1xmFxg1B9xY/84jHyNQf1sv3RA5adP90q9Ev9GJTKUf0g6274g iX7URgM+GB3LLOu10ho2GxJeD5Jmx5CbVww0QAmAff4km9cTGvqoAnLrAAmzyEGZrieH xU7g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696869674; x=1697474474; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=AWA+klmfy/TO5hWaoCvOZgcBSQ2FgQ8iT7JhCCX/n5c=; b=TKQhLWR1C6nJovKfeoQrnkUxMZDNxIKUlqZOUnK1sgz7VyC7AN4Mg5RV7qTobQoGMY /S9m8xBvFQ4hqZIevHyo2DbxF+QaRYCXOu7AWRxQ7q9Eg4gE7Ige4MZwfULhP9Pw3eyN eDSTFivSqUdBUVfeXDN25ZJ+ogm4A4Be83YpUAce7dHpeCYAiKVi5Wi3J1E400qRiQK8 H5gX9yiHLJvxPo+iwlTFHOyrhSYnS3UMELsCHuJOVIZRt2q1GzgVPpAZxg6gFI8ZAsNv OVJ+5wWSexpoYNws8U/m0k1w2+4o1U4fQQhALneCsEbm1/8oXmPy7+u1GO9ySFMq5fRk ou3Q== X-Gm-Message-State: AOJu0YwpZWr9PefYpTH3efVDOuI/lDhT/Zbsv6Cvdnh8VNCblcXN6gyS nMxB7f7O431ZrAe7LYoAJ0BygQ== X-Received: by 2002:a1c:721a:0:b0:405:1baf:cedf with SMTP id n26-20020a1c721a000000b004051bafcedfmr14386876wmc.24.1696869673801; Mon, 09 Oct 2023 09:41:13 -0700 (PDT) Received: from zen.linaroharston ([85.9.250.243]) by smtp.gmail.com with ESMTPSA id v5-20020a05600c214500b003fbe791a0e8sm11713158wml.0.2023.10.09.09.41.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Oct 2023 09:41:11 -0700 (PDT) Received: from zen.linaroharston (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id 849FE1FFC5; Mon, 9 Oct 2023 17:41:06 +0100 (BST) From: =?utf-8?q?Alex_Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Thomas Huth , Xiaojuan Yang , =?utf-8?q?C=C3=A9dric_Le_Goater?= , =?utf-8?q?Alex_Benn=C3=A9?= =?utf-8?q?e?= , Bastian Koppelmann , Brad Smith , Radoslaw Biernacki , David Hildenbrand , Cleber Rosa , Ilya Leoshkevich , qemu-riscv@nongnu.org, Daniel Henrique Barboza , Alexandre Iooss , Nicholas Piggin , Bin Meng , Leif Lindholm , Paolo Bonzini , Eduardo Habkost , Alistair Francis , qemu-ppc@nongnu.org, John Snow , Liu Zhiwei , qemu-arm@nongnu.org, Wainer dos Santos Moschetta , Palmer Dabbelt , Peter Maydell , Yanan Wang , Weiwei Li , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Marcel Apfelbaum , Beraldo Leal , Yoshinori Sato , Mahmoud Mandour , Richard Henderson , Song Gao , Marcin Juszkiewicz , qemu-s390x@nongnu.org, =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Akihiko Odaki Subject: [PATCH 12/25] gdbstub: Introduce GDBFeature structure Date: Mon, 9 Oct 2023 17:40:51 +0100 Message-Id: <20231009164104.369749-13-alex.bennee@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231009164104.369749-1-alex.bennee@linaro.org> References: <20231009164104.369749-1-alex.bennee@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32f; envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x32f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org From: Akihiko Odaki Before this change, the information from a XML file was stored in an array that is not descriptive. Introduce a dedicated structure type to make it easier to understand and to extend with more fields. Signed-off-by: Akihiko Odaki Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Alex Bennée Reviewed-by: Richard Henderson Message-Id: <20230912224107.29669-6-akihiko.odaki@daynix.com> Signed-off-by: Alex Bennée --- MAINTAINERS | 2 +- meson.build | 2 +- include/exec/gdbstub.h | 9 ++++-- gdbstub/gdbstub.c | 6 ++-- stubs/gdbstub.c | 6 ++-- scripts/feature_to_c.py | 48 ++++++++++++++++++++++++++++ scripts/feature_to_c.sh | 69 ----------------------------------------- 7 files changed, 63 insertions(+), 79 deletions(-) create mode 100755 scripts/feature_to_c.py delete mode 100644 scripts/feature_to_c.sh diff --git a/MAINTAINERS b/MAINTAINERS index ea91f9e804..0f421a0a03 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2836,7 +2836,7 @@ F: include/exec/gdbstub.h F: include/gdbstub/* F: gdb-xml/ F: tests/tcg/multiarch/gdbstub/ -F: scripts/feature_to_c.sh +F: scripts/feature_to_c.py F: scripts/probe-gdb-support.py Memory API diff --git a/meson.build b/meson.build index 3bb64b536c..9f4c4f2f1e 100644 --- a/meson.build +++ b/meson.build @@ -3693,7 +3693,7 @@ common_all = static_library('common', dependencies: common_all.dependencies(), name_suffix: 'fa') -feature_to_c = find_program('scripts/feature_to_c.sh') +feature_to_c = find_program('scripts/feature_to_c.py') if targetos == 'darwin' entitlement = find_program('scripts/entitlement.sh') diff --git a/include/exec/gdbstub.h b/include/exec/gdbstub.h index 16a139043f..705be2c5d7 100644 --- a/include/exec/gdbstub.h +++ b/include/exec/gdbstub.h @@ -10,6 +10,11 @@ #define GDB_WATCHPOINT_READ 3 #define GDB_WATCHPOINT_ACCESS 4 +typedef struct GDBFeature { + const char *xmlname; + const char *xml; +} GDBFeature; + /* Get or set a register. Returns the size of the register. */ typedef int (*gdb_get_reg_cb)(CPUArchState *env, GByteArray *buf, int reg); @@ -48,7 +53,7 @@ void gdb_set_stop_cpu(CPUState *cpu); */ bool gdb_has_xml(void); -/* in gdbstub-xml.c, generated by scripts/feature_to_c.sh */ -extern const char *const xml_builtin[][2]; +/* in gdbstub-xml.c, generated by scripts/feature_to_c.py */ +extern const GDBFeature gdb_static_features[]; #endif diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c index 4f3762fccf..bba2640293 100644 --- a/gdbstub/gdbstub.c +++ b/gdbstub/gdbstub.c @@ -408,11 +408,11 @@ static const char *get_feature_xml(const char *p, const char **newp, } } /* Is it one of the encoded gdb-xml/ files? */ - for (int i = 0; xml_builtin[i][0]; i++) { - const char *name = xml_builtin[i][0]; + for (int i = 0; gdb_static_features[i].xmlname; i++) { + const char *name = gdb_static_features[i].xmlname; if ((strncmp(name, p, len) == 0) && strlen(name) == len) { - return xml_builtin[i][1]; + return gdb_static_features[i].xml; } } diff --git a/stubs/gdbstub.c b/stubs/gdbstub.c index 2b7aee50d3..580e20702b 100644 --- a/stubs/gdbstub.c +++ b/stubs/gdbstub.c @@ -1,6 +1,6 @@ #include "qemu/osdep.h" -#include "exec/gdbstub.h" /* xml_builtin */ +#include "exec/gdbstub.h" /* gdb_static_features */ -const char *const xml_builtin[][2] = { - { NULL, NULL } +const GDBFeature gdb_static_features[] = { + { NULL } }; diff --git a/scripts/feature_to_c.py b/scripts/feature_to_c.py new file mode 100755 index 0000000000..bcbcb83beb --- /dev/null +++ b/scripts/feature_to_c.py @@ -0,0 +1,48 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0-or-later + +import os, sys + +def writeliteral(indent, bytes): + sys.stdout.write(' ' * indent) + sys.stdout.write('"') + quoted = True + + for c in bytes: + if not quoted: + sys.stdout.write('\n') + sys.stdout.write(' ' * indent) + sys.stdout.write('"') + quoted = True + + if c == b'"'[0]: + sys.stdout.write('\\"') + elif c == b'\\'[0]: + sys.stdout.write('\\\\') + elif c == b'\n'[0]: + sys.stdout.write('\\n"') + quoted = False + elif c >= 32 and c < 127: + sys.stdout.write(c.to_bytes(1, 'big').decode()) + else: + sys.stdout.write(f'\{c:03o}') + + if quoted: + sys.stdout.write('"') + +sys.stdout.write('#include "qemu/osdep.h"\n' \ + '#include "exec/gdbstub.h"\n' \ + '\n' + 'const GDBFeature gdb_static_features[] = {\n') + +for input in sys.argv[1:]: + with open(input, 'rb') as file: + read = file.read() + + sys.stdout.write(' {\n') + writeliteral(8, bytes(os.path.basename(input), 'utf-8')) + sys.stdout.write(',\n') + writeliteral(8, read) + sys.stdout.write('\n },\n') + +sys.stdout.write(' { NULL }\n};\n') diff --git a/scripts/feature_to_c.sh b/scripts/feature_to_c.sh deleted file mode 100644 index c1f67c8f6a..0000000000 --- a/scripts/feature_to_c.sh +++ /dev/null @@ -1,69 +0,0 @@ -#!/bin/sh - -# Convert text files to compilable C arrays. -# -# Copyright (C) 2007 Free Software Foundation, Inc. -# -# This file is part of GDB. -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, see . - -if test -z "$1"; then - echo "Usage: $0 INPUTFILE..." - exit 1 -fi - -for input; do - arrayname=xml_feature_$(echo $input | sed 's,.*/,,; s/[-.]/_/g') - - ${AWK:-awk} 'BEGIN { n = 0 - printf "#include \"qemu/osdep.h\"\n" - print "static const char '$arrayname'[] = {" - for (i = 0; i < 255; i++) - _ord_[sprintf("%c", i)] = i - } { - split($0, line, ""); - printf " " - for (i = 1; i <= length($0); i++) { - c = line[i] - if (c == "'\''") { - printf "'\''\\'\'''\'', " - } else if (c == "\\") { - printf "'\''\\\\'\'', " - } else if (_ord_[c] >= 32 && _ord_[c] < 127) { - printf "'\''%s'\'', ", c - } else { - printf "'\''\\%03o'\'', ", _ord_[c] - } - if (i % 10 == 0) - printf "\n " - } - printf "'\''\\n'\'', \n" - } END { - print " 0 };" - }' < $input -done - -echo -echo '#include "exec/gdbstub.h"' -echo "const char *const xml_builtin[][2] = {" - -for input; do - basename=$(echo $input | sed 's,.*/,,') - arrayname=xml_feature_$(echo $input | sed 's,.*/,,; s/[-.]/_/g') - echo " { \"$basename\", $arrayname }," -done - -echo " { (char *)0, (char *)0 }" -echo "};"