From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 25 Nov 2024 16:17:58 +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 1tFaqb-000Fiw-34 for lore@lore.pengutronix.de; Mon, 25 Nov 2024 16:17:58 +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 1tFaqb-0001Ai-Oq for lore@pengutronix.de; Mon, 25 Nov 2024 16:17:58 +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=MQBmVWc0BfRMiKMslN0X6VdBIdS34EALbuQ1fK43Znw=; b=WVAzE8JbTLtpCCE51zOfHQSwOZ OQn0045epT2pCnLbhrnFxKQj3S/B/M60K7clOPC+RqKDqIBdY+TFby8mDzDDEh11eElppXMuVqtmz SP3g1dQjmuQkepAgC2TxCrJWK90+dmh3+rkRoGYxHMTwptRQQz0LXluIyOxBtjheQA93+QiCKVnmY xZQaOHWdQlNX8AbQPHOgCNEL37bmRusMTUxGjJC23HDxnXcWkfem1ew+0IpKxDalNNSyh0seYgr99 /Ktz4XxBdHid1kPJprusGDWiR+BC2H6GKhI+wMZv5QeA06bj8AXYHYh9/zhUCwzVdpNydWXMZ2RGj Ro6+Sogg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tFaq8-00000008RMK-1wLJ; Mon, 25 Nov 2024 15:17:28 +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 1tFaq2-00000008RHe-3O3D 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 1tFaq1-0000kd-J2; 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 1tFaq0-0006OC-20; 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-2G; Mon, 25 Nov 2024 16:12:31 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Mon, 25 Nov 2024 16:12:28 +0100 Message-Id: <20241125151228.341441-17-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_843536_96526537 X-CRM114-Status: GOOD ( 10.28 ) 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 16/16] 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..5d5824b61bf0 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -161,7 +161,14 @@ static inline const char *kbasename(const char *path) } #endif +#if IN_PROPER 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..a823ce8c8462 100644 --- a/include/malloc.h +++ b/include/malloc.h @@ -5,6 +5,7 @@ #include #include +#if IN_PROPER 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