From nobody Sat Feb 7 17:54:42 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 981A0C77B7A for ; Wed, 17 May 2023 12:50:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231556AbjEQMuh (ORCPT ); Wed, 17 May 2023 08:50:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33066 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231409AbjEQMu2 (ORCPT ); Wed, 17 May 2023 08:50:28 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB22A420B for ; Wed, 17 May 2023 05:50:16 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 492D063BDD for ; Wed, 17 May 2023 12:50:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C615EC433D2; Wed, 17 May 2023 12:50:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684327815; bh=cZTa+EdyC7wAzjN7QLIW3MFkYJG8EOdGt2pse/e8KnI=; h=From:To:Cc:Subject:Date:From; b=kgv6Eg1a2Vjgc9bueVja0JGMb6FY78SxRyecT5LDmnibFOtRpBKCZvH0NlA8xm+1l uumOV+xN/mG+mtKY6AalL/oskrNATd+wVsEvIYXpRfWQMjcGGPDWsL1f4MQc+A+2MG 11AzfrWypzL3WX0WrCu5lri0wMFS4GODxX5L4H7qLYJS29FxlEC+rAHBzplnMae6ox PQyyybaU2s+Ubh6KINOOYk2pZMjIMIv6BUiE+E2B4uX7hfBFpk0GvXWJCzoAVnymQt jm8K5m009M55+Uk44RbwXIWWhxdr7lygjYU64pc0VqJXOWw1tZthecE6Ka/7cZ3SXu G2RCzSHH22bAw== From: Arnd Bergmann To: Peter Oberparleiter Cc: Arnd Bergmann , linux-kernel@vger.kernel.org Subject: [PATCH] gcov: add prototypes for internal functions Date: Wed, 17 May 2023 14:50:07 +0200 Message-Id: <20230517125011.930274-1-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Arnd Bergmann gcov uses global functions that are called from generated code, but these have no prototype in a header, which causes a W=3D1 build warning: kernel/gcov/gcc_base.c:12:6: error: no previous prototype for '__gcov_init'= [-Werror=3Dmissing-prototypes] kernel/gcov/gcc_base.c:40:6: error: no previous prototype for '__gcov_flush= ' [-Werror=3Dmissing-prototypes] kernel/gcov/gcc_base.c:46:6: error: no previous prototype for '__gcov_merge= _add' [-Werror=3Dmissing-prototypes] kernel/gcov/gcc_base.c:52:6: error: no previous prototype for '__gcov_merge= _single' [-Werror=3Dmissing-prototypes] Add prototypes for all of these to an internal header. Signed-off-by: Arnd Bergmann --- kernel/gcov/gcov.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/kernel/gcov/gcov.h b/kernel/gcov/gcov.h index 912b8ea01d33..6df99772406c 100644 --- a/kernel/gcov/gcov.h +++ b/kernel/gcov/gcov.h @@ -82,4 +82,34 @@ extern const struct gcov_link gcov_link[]; extern int gcov_events_enabled; extern struct mutex gcov_lock; =20 +void __gcov_init(struct gcov_info *info); +void __gcov_flush(void); +void __gcov_merge_add(gcov_type *counters, unsigned int n_counters); +void __gcov_merge_single(gcov_type *counters, unsigned int n_counters); +void __gcov_merge_delta(gcov_type *counters, unsigned int n_counters); +void __gcov_merge_ior(gcov_type *counters, unsigned int n_counters); +void __gcov_merge_time_profile(gcov_type *counters, unsigned int n_counter= s); +void __gcov_merge_icall_topn(gcov_type *counters, unsigned int n_counters); +void __gcov_exit(void); + +size_t convert_to_gcda(char *buffer, struct gcov_info *info); +void gcov_info_add(struct gcov_info *dst, struct gcov_info *src); +struct gcov_info *gcov_info_dup(struct gcov_info *info); +const char *gcov_info_filename(struct gcov_info *info); +void gcov_info_free(struct gcov_info *info); +int gcov_info_is_compatible(struct gcov_info *info1, struct gcov_info *inf= o2); +void gcov_info_link(struct gcov_info *info); +struct gcov_info *gcov_info_next(struct gcov_info *info); +void gcov_info_reset(struct gcov_info *info); +void gcov_info_unlink(struct gcov_info *prev, struct gcov_info *info); +unsigned int gcov_info_version(struct gcov_info *info); +bool gcov_info_within_module(struct gcov_info *info, struct module *mod); +void llvm_gcda_emit_arcs(u32 num_counters, u64 *counters); +void llvm_gcda_emit_function(u32 ident, u32 func_checksum, u32 cfg_checksu= m); +void llvm_gcda_end_file(void); +void llvm_gcda_start_file(const char *orig_filename, u32 version, u32 chec= ksum); +void llvm_gcda_summary_info(void); +typedef void (*llvm_gcov_callback)(void); +void llvm_gcov_init(llvm_gcov_callback writeout, llvm_gcov_callback flush); + #endif /* GCOV_H */ --=20 2.39.2