From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 25 Nov 2024 16:17:53 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tFaqW-000Fh8-1d for lore@lore.pengutronix.de; Mon, 25 Nov 2024 16:17:53 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tFaqW-00015y-8k for lore@pengutronix.de; Mon, 25 Nov 2024 16:17:52 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ArY4pHB8iQQCxOEFPcknmKaZRs6kj4Mp2+mYzXBqrXk=; b=FeLmMMjXwRZy6zfmsoPO6rLAZc /4jUMH150HRDa/4vIMRiYZYPe/tYQok7xdjj4vMpD3JXPCheTNk/3k/uLxyofx2YFgMEe7Zi5WV3N ew5NR9ECDnXvhJA34PasTm9eiy1DrMm3P9ITXPwtgJuvUOB1Sv8UzpzuYtg+adYMkfz0ksvYDSJVB DhXMDPIrLYsTqDpkutqnq2OARDU/ZuYcXvlwB+dxn/Pohl1B1+16w1Tju4nTc7CtMrvHVKYkhrYf/ 1uIfb8lfgdUaRaEtYIiQYELY+2hCsp+QUCslOQi836EtwYHJHSYi0qlzYT3bzkrk34Koj7p5JZe/g zmIZG63g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tFaq7-00000008RKq-0sXv; Mon, 25 Nov 2024 15:17:27 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tFaq2-00000008RHc-32GK for barebox@lists.infradead.org; Mon, 25 Nov 2024 15:17:24 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tFaq1-0000kT-GM; Mon, 25 Nov 2024 16:17:21 +0100 Received: from dude05.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::54]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tFaq0-0006O9-1m; Mon, 25 Nov 2024 16:17:21 +0100 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1tFalK-001lGb-1y; Mon, 25 Nov 2024 16:12:31 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Mon, 25 Nov 2024 16:12:26 +0100 Message-Id: <20241125151228.341441-15-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241125151228.341441-1-a.fatoum@pengutronix.de> References: <20241125151228.341441-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241125_071722_756376_C521239D X-CRM114-Status: UNSURE ( 9.17 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.2 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH v2 14/16] stdio: stub out basprintf and friends when built for PBL X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) To optimize out calls to undefined functions in PBL at compile-time instead of link time, let's define stubs for the functions that are referenced in obj-pbl-y files, but inside function sections that are ultimately unreferenced. Signed-off-by: Ahmad Fatoum --- include/stdio.h | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) diff --git a/include/stdio.h b/include/stdio.h index 4edadf5c16be..03cd3d281890 100644 --- a/include/stdio.h +++ b/include/stdio.h @@ -17,12 +17,32 @@ int sprintf(char *buf, const char *fmt, ...) __attribute__ ((format(__printf__, int snprintf(char *buf, size_t size, const char *fmt, ...) __attribute__ ((format(__printf__, 3, 4))); int scnprintf(char *buf, size_t size, const char *fmt, ...) __attribute__ ((format(__printf__, 3, 4))); int vsprintf(char *buf, const char *fmt, va_list args); +int vsnprintf(char *buf, size_t size, const char *fmt, va_list args); +int vscnprintf(char *buf, size_t size, const char *fmt, va_list args); + +#if IN_PROPER || defined(CONFIG_PBL_CONSOLE) char *basprintf(const char *fmt, ...) __attribute__ ((format(__printf__, 1, 2))); int asprintf(char **strp, const char *fmt, ...) __attribute__ ((format(__printf__, 2, 3))); char *bvasprintf(const char *fmt, va_list ap); int vasprintf(char **strp, const char *fmt, va_list ap); -int vsnprintf(char *buf, size_t size, const char *fmt, va_list args); -int vscnprintf(char *buf, size_t size, const char *fmt, va_list args); +#else +static inline char *basprintf(const char *fmt, ...) +{ + return NULL; +} +static inline int asprintf(char **strp, const char *fmt, ...) +{ + return -ENOMEM; +} +static inline char *bvasprintf(const char *fmt, va_list ap) +{ + return NULL; +} +static inline int vasprintf(char **strp, const char *fmt, va_list ap) +{ + return -ENOMEM; +} +#endif #ifdef CONFIG_ARCH_HAS_CTRLC int arch_ctrlc(void); -- 2.39.5