From patchwork Thu Mar 4 10:53:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Martin_Li=C5=A1ka?= X-Patchwork-Id: 1447237 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=gcc.gnu.org (client-ip=8.43.85.97; helo=sourceware.org; envelope-from=gcc-patches-bounces@gcc.gnu.org; receiver=) Received: from sourceware.org (server2.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4Drnls25XCz9sPf for ; Thu, 4 Mar 2021 21:53:27 +1100 (AEDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id C1C3F398EC10; Thu, 4 Mar 2021 10:53:25 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by sourceware.org (Postfix) with ESMTPS id 506F8386F43E for ; Thu, 4 Mar 2021 10:53:23 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 506F8386F43E Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=suse.cz Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=mliska@suse.cz X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 4AA26AD21 for ; Thu, 4 Mar 2021 10:53:22 +0000 (UTC) From: =?utf-8?q?Martin_Li=C5=A1ka?= Subject: [PATCH][pushed] gcov: call mmap MAP_ANONYMOUS with fd equal to -1 To: gcc-patches@gcc.gnu.org Message-ID: Date: Thu, 4 Mar 2021 11:53:21 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 Content-Language: en-US X-Spam-Status: No, score=-11.0 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, KAM_NUMSUBJECT, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces@gcc.gnu.org Sender: "Gcc-patches" Pushed as obvious. Martin libgcc/ChangeLog: PR gcov-profile/99385 * libgcov.h (allocate_gcov_kvp): Call mmap with fd equal to -1. --- libgcc/libgcov.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libgcc/libgcov.h b/libgcc/libgcov.h index 9c5fcfba4ad..acdb7cd1500 100644 --- a/libgcc/libgcov.h +++ b/libgcc/libgcov.h @@ -426,7 +426,7 @@ allocate_gcov_kvp (void) { void *ptr = mmap (NULL, MMAP_CHUNK_SIZE, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); if (ptr != MAP_FAILED) { __gcov_kvp_dynamic_pool = ptr;