From patchwork Thu Sep 24 09:22:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 304545 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AB71BC4363D for ; Thu, 24 Sep 2020 09:58:21 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id EE35E235FD for ; Thu, 24 Sep 2020 09:58:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="czI4u78K" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EE35E235FD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:35174 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kLO16-0008P8-2V for qemu-devel@archiver.kernel.org; Thu, 24 Sep 2020 05:58:20 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39070) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kLNTq-0001Du-Sc for qemu-devel@nongnu.org; Thu, 24 Sep 2020 05:23:58 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:24655) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kLNTm-00065o-QL for qemu-devel@nongnu.org; Thu, 24 Sep 2020 05:23:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600939434; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=w8CvE9kAxYtIRve+39sdvjANpNKhXew6psQEJPG103A=; b=czI4u78KnbwIqiS7xOlB4b5GcYC/oKd9pYsTc+EVdJSEIgH/EzoO/cwAj6x7qPwLcy4nv1 tpSVUffqs7WxMYk4GOCbDirKRiY3b6OaxuQpKdj7Ak4ZAaBATf/Bg5QYaPxE7P1eh4LKkd aI1dV4w5b6J1XtmRjMMRinz6itYSsJ0= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-62-8iZKrLuTM42pPzAxrUxB9A-1; Thu, 24 Sep 2020 05:23:52 -0400 X-MC-Unique: 8iZKrLuTM42pPzAxrUxB9A-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 878FE81F00B for ; Thu, 24 Sep 2020 09:23:51 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5460A60C15 for ; Thu, 24 Sep 2020 09:23:51 +0000 (UTC) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 46/92] vl: relocate paths to data directories Date: Thu, 24 Sep 2020 05:22:28 -0400 Message-Id: <20200924092314.1722645-47-pbonzini@redhat.com> In-Reply-To: <20200924092314.1722645-1-pbonzini@redhat.com> References: <20200924092314.1722645-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/24 01:10:00 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -32 X-Spam_score: -3.3 X-Spam_bar: --- X-Spam_report: (-3.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.228, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" As an additional advantage, the logic is now unified between POSIX and Win32 systems. Signed-off-by: Paolo Bonzini --- include/qemu-common.h | 1 - include/sysemu/sysemu.h | 2 +- os-posix.c | 20 -------------------- os-win32.c | 11 ----------- softmmu/vl.c | 40 ++++++++++++++++++++++++++++------------ tests/qtest/fuzz/fuzz.c | 5 +++-- 6 files changed, 32 insertions(+), 47 deletions(-) diff --git a/include/qemu-common.h b/include/qemu-common.h index 9cfd62669b..a9b11f59c4 100644 --- a/include/qemu-common.h +++ b/include/qemu-common.h @@ -131,7 +131,6 @@ char *qemu_find_file(int type, const char *name); /* OS specific functions */ void os_setup_early_signal_handling(void); -char *os_find_datadir(void); int os_parse_cmd_args(int index, const char *optarg); /* diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index 4b6a5c459c..817ff4cf75 100644 --- a/include/sysemu/sysemu.h +++ b/include/sysemu/sysemu.h @@ -14,7 +14,7 @@ extern const char *qemu_name; extern QemuUUID qemu_uuid; extern bool qemu_uuid_set; -void qemu_add_data_dir(const char *path); +void qemu_add_data_dir(char *path); void qemu_add_exit_notifier(Notifier *notify); void qemu_remove_exit_notifier(Notifier *notify); diff --git a/os-posix.c b/os-posix.c index 36e344c544..1de2839554 100644 --- a/os-posix.c +++ b/os-posix.c @@ -80,26 +80,6 @@ void os_setup_signal_handling(void) sigaction(SIGTERM, &act, NULL); } -/* - * Find a likely location for support files using the location of the binary. - * When running from the build tree this will be "$bindir/pc-bios". - * Otherwise, this is CONFIG_QEMU_DATADIR. - * - * The caller must use g_free() to free the returned data when it is - * no longer required. - */ -char *os_find_datadir(void) -{ - g_autofree char *dir = NULL; - - dir = g_build_filename(qemu_get_exec_dir(), "pc-bios", NULL); - if (g_file_test(dir, G_FILE_TEST_IS_DIR)) { - return g_steal_pointer(&dir); - } - - return g_strdup(CONFIG_QEMU_DATADIR); -} - void os_set_proc_name(const char *s) { #if defined(PR_SET_NAME) diff --git a/os-win32.c b/os-win32.c index eb8501b9e5..fd1137bab1 100644 --- a/os-win32.c +++ b/os-win32.c @@ -57,17 +57,6 @@ void os_setup_early_signal_handling(void) atexit(os_undo_timer_resolution); } -/* - * Look for support files in the same directory as the executable. - * - * The caller must use g_free() to free the returned data when it is - * no longer required. - */ -char *os_find_datadir(void) -{ - return g_strdup(qemu_get_exec_dir()); -} - void os_set_line_buffering(void) { setbuf(stdout, NULL); diff --git a/softmmu/vl.c b/softmmu/vl.c index f7b103467c..c872657e60 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -2005,7 +2005,7 @@ char *qemu_find_file(int type, const char *name) return NULL; } -void qemu_add_data_dir(const char *path) +void qemu_add_data_dir(char *path) { int i; @@ -2017,10 +2017,11 @@ void qemu_add_data_dir(const char *path) } for (i = 0; i < data_dir_idx; i++) { if (strcmp(data_dir[i], path) == 0) { - return; /* duplicate */ + g_free(path); /* duplicate */ + return; } } - data_dir[data_dir_idx++] = g_strdup(path); + data_dir[data_dir_idx++] = path; } static inline bool nonempty_str(const char *str) @@ -2829,6 +2830,26 @@ static void create_default_memdev(MachineState *ms, const char *path) &error_fatal); } +/* + * Find a likely location for support files using the location of the binary. + * When running from the build tree this will be "$bindir/pc-bios". + * Otherwise, this is CONFIG_QEMU_DATADIR (possibly relocated). + * + * The caller must use g_free() to free the returned data when it is + * no longer required. + */ +static char *find_datadir(void) +{ + g_autofree char *dir = NULL; + + dir = g_build_filename(qemu_get_exec_dir(), "pc-bios", NULL); + if (g_file_test(dir, G_FILE_TEST_IS_DIR)) { + return g_steal_pointer(&dir); + } + + return get_relocated_path(CONFIG_QEMU_DATADIR); +} + void qemu_init(int argc, char **argv, char **envp) { int i; @@ -2862,7 +2883,7 @@ void qemu_init(int argc, char **argv, char **envp) Error *main_loop_err = NULL; Error *err = NULL; bool list_data_dirs = false; - char *dir, **dirs; + char **dirs; const char *mem_path = NULL; bool have_custom_ram_size; BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue); @@ -3195,7 +3216,7 @@ void qemu_init(int argc, char **argv, char **envp) if (is_help_option(optarg)) { list_data_dirs = true; } else { - qemu_add_data_dir(optarg); + qemu_add_data_dir(g_strdup(optarg)); } break; case QEMU_OPTION_bios: @@ -3927,17 +3948,12 @@ void qemu_init(int argc, char **argv, char **envp) /* add configured firmware directories */ dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0); for (i = 0; dirs[i] != NULL; i++) { - qemu_add_data_dir(dirs[i]); + qemu_add_data_dir(get_relocated_path(dirs[i])); } g_strfreev(dirs); /* try to find datadir relative to the executable path */ - dir = os_find_datadir(); - qemu_add_data_dir(dir); - g_free(dir); - - /* add the datadir specified when building */ - qemu_add_data_dir(CONFIG_QEMU_DATADIR); + qemu_add_data_dir(find_datadir()); /* -L help lists the data directories and exits. */ if (list_data_dirs) { diff --git a/tests/qtest/fuzz/fuzz.c b/tests/qtest/fuzz/fuzz.c index c4dc5fa629..d926c490c5 100644 --- a/tests/qtest/fuzz/fuzz.c +++ b/tests/qtest/fuzz/fuzz.c @@ -170,8 +170,9 @@ int LLVMFuzzerInitialize(int *argc, char ***argv, char ***envp) datadir = g_build_filename(bindir, "pc-bios", NULL); if (g_file_test(datadir, G_FILE_TEST_IS_DIR)) { qemu_add_data_dir(datadir); - } - g_free(datadir); + } else { + g_free(datadir); + } } else if (*argc > 1) { /* The target is specified as an argument */ target_name = (*argv)[1]; if (!strstr(target_name, "--fuzz-target=")) {