From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 25 Nov 2024 16:36:02 +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 1tFb85-000GIu-22 for lore@lore.pengutronix.de; Mon, 25 Nov 2024 16:36:02 +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 1tFb85-00053D-AK for lore@pengutronix.de; Mon, 25 Nov 2024 16:36:02 +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=SWiY0J+yE6kkykxXioKk7s3/ztPgIJ9Ti3ofEVzIoe4=; b=2CU7RQm1PARlzrHs0ZZ4dUiG+g jYwX1ymQSWEymKNUItSi+i5M2GJjIK8+fmQhnRAr8B3HfwCY2YywZjTMZlbQnw6a92utp1TvhpMqs 65H8cGK8cHM5Xn4XI8zQ7grZrPTdmDp/dUk+nbY+jyMaGb2cMO44e0Y9UdA65fHRbUMGuOW+EiDo5 bH/jYdhhdYgRraKWHOvnafhlnJLPpzlItvU1LJbeLR99Y4BqGKRYFWJr/sHVq2wRLPIGb4n7sOGZU lS4xF8oj/qM5lFRkgmuj+hUc6nt8yZ/9ksd21eeZwRWJXi2dxpq3hYUi9KtoNNoaDQvYamJQb8H9f R0XfyfrA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tFb7d-00000008VzN-0H57; Mon, 25 Nov 2024 15:35:33 +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 1tFb7W-00000008Vsk-1fnl for barebox@lists.infradead.org; Mon, 25 Nov 2024 15:35:28 +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 1tFb7V-0004YH-2O; Mon, 25 Nov 2024 16:35:25 +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 1tFb7U-0006VF-09; Mon, 25 Nov 2024 16:35:24 +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 1tFb7U-006GiN-0L; Mon, 25 Nov 2024 16:35:24 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Mon, 25 Nov 2024 16:35:18 +0100 Message-Id: <20241125153523.1411849-5-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241125153523.1411849-1-a.fatoum@pengutronix.de> References: <20241125153523.1411849-1-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_073526_432053_46D01955 X-CRM114-Status: UNSURE ( 9.55 ) 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 4/9] sandbox: setjmp: mark C version as __weak 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) In a later commit, we will start allowing overriding setjmp/longjmp/initjmp by arch-specific implementations. Prepare this by marking the existing implementation __weak. Signed-off-by: Ahmad Fatoum --- arch/sandbox/os/setjmp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/sandbox/os/setjmp.c b/arch/sandbox/os/setjmp.c index 7f686b0fc6e9..cbf1182ed591 100644 --- a/arch/sandbox/os/setjmp.c +++ b/arch/sandbox/os/setjmp.c @@ -78,7 +78,7 @@ static void coroutine_trampoline(int signal) coroutine_bootstrap(tr_state.entry); } -int initjmp(_jmp_buf jmp, void (*func)(void), void *stack_top) +int __attribute__((weak)) initjmp(_jmp_buf jmp, void (*func)(void), void *stack_top) { struct sigaction sa; struct sigaction osa; @@ -169,12 +169,12 @@ int initjmp(_jmp_buf jmp, void (*func)(void), void *stack_top) return 0; } -int __attribute__((returns_twice)) barebox_setjmp(_jmp_buf jmp) +int __attribute__((weak,returns_twice)) barebox_setjmp(_jmp_buf jmp) { return sigsetjmp(jmp, 0); } -void __attribute((noreturn)) barebox_longjmp(_jmp_buf jmp, int ret) +void __attribute__((weak,noreturn)) barebox_longjmp(_jmp_buf jmp, int ret) { siglongjmp(jmp, ret); } -- 2.39.5