From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 16 Oct 2024 11:09:24 +0200 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 1t1020-0050Ln-0J for lore@lore.pengutronix.de; Wed, 16 Oct 2024 11:09:24 +0200 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 1t101z-00074f-DM for lore@pengutronix.de; Wed, 16 Oct 2024 11:09:24 +0200 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=jl8hN6Cq+MeHEtzcDtabD5x652PLuHwgeJr880pBdGU=; b=PbTxoKbM7QNVR9fsEy0D6HNmtH TChlYNBL4SNszfy2s4Qcf9MH7wGcUYHUlGHeHLwUJNzuNTWWl/LZTxX4hXPEu8Nu4mkeGue8acL65 mEgdRe/z5QvwS4JU6BQWvS3xtJCFCX49UdYIZu9Xt8MVa0dr5iEGDr5eOUUbPe83azLN3BoReP37n 5WuN0+0gBldQp0ZWEEwqOiiu9pxeuzjNGEceFU4VDzcOodDxGKg93rF7TbOjyVG/UU2sAT/sf4+/b ApimojrUmS65QiKF21t0Lz9alE5B9F3RJP4KrBv+V7VOFYgLnui6IR/TXY8ooTiteqSI3FWVzdq98 SdjaJa3A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t101Y-0000000BAku-3xH3; Wed, 16 Oct 2024 09:08:56 +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 1t101T-0000000BAiG-1PnC for barebox@lists.infradead.org; Wed, 16 Oct 2024 09:08:53 +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 1t101R-0006qA-Qw; Wed, 16 Oct 2024 11:08:49 +0200 Received: from [2a0a:edc0:0:1101:1d::54] (helo=dude05.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1t101R-002EQ0-E7; Wed, 16 Oct 2024 11:08:49 +0200 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1t0zuh-00GdhR-0f; Wed, 16 Oct 2024 11:01:51 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Wed, 16 Oct 2024 11:01:50 +0200 Message-Id: <20241016090150.3963002-14-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241016090150.3963002-1-a.fatoum@pengutronix.de> References: <20241016090150.3963002-1-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-20241016_020851_527276_37B219D2 X-CRM114-Status: GOOD ( 10.00 ) 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=-5.1 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 13/13] malloc: add PBL stubs 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/linux/string.h | 7 +++++++ include/malloc.h | 37 +++++++++++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+) diff --git a/include/linux/string.h b/include/linux/string.h index 3b8775c9a57d..38077da95d13 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -161,7 +161,14 @@ static inline const char *kbasename(const char *path) } #endif +#ifndef __PBL__ void *memdup(const void *, size_t); +#else +static inline void *memdup(const void *buf, size_t size) +{ + return NULL; +} +#endif #define memdup_array(arr, count) memdup(arr, array_size(count, sizeof(*arr))); diff --git a/include/malloc.h b/include/malloc.h index fc0c94855e05..682f724fb4fa 100644 --- a/include/malloc.h +++ b/include/malloc.h @@ -5,6 +5,7 @@ #include #include +#ifndef __PBL__ void *malloc(size_t) __alloc_size(1); size_t malloc_usable_size(void *); void free(void *); @@ -16,5 +17,41 @@ void malloc_stats(void); void *sbrk(ptrdiff_t increment); int mem_malloc_is_initialized(void); +#else +static inline void *malloc(size_t nbytes) +{ + return NULL; +} +static inline void free(void *buf) +{ +} +static inline void free_sensitive(void *buf) +{ +} +static inline void *realloc(void *orig, size_t nbytes) +{ + return NULL; +} +static inline void *memalign(size_t align, size_t size) +{ + return NULL; +} +static inline void *calloc(size_t num, size_t size) +{ + return NULL; +} +static inline void malloc_stats(void) +{ +} +static inline void *sbrk(ptrdiff_t increment) +{ + return NULL; +} + +static inline int mem_malloc_is_initialized(void) +{ + return 0; +} +#endif #endif /* __MALLOC_H */ -- 2.39.5