From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EA6E7C38150 for ; Thu, 4 Jul 2024 16:27:49 +0000 (UTC) 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=/RHcd/yUmz0Gk8fIDLX6wsZ8ME7gFNvXydNGe/JBc3w=; b=zeGbbiJIsPB2nDbPTmjp2xR+D6 cxEjam3leWr62sD22bVYPc3bQN+fmyB/jy/l8cmwwfaDd+nXvnCtCPMKgWm68p6RycFhNNWe/toHE 87xGRTMxtQBQeBzI9g1GaF13q1XsZbaUXGHpJ1Xjsu00vX99WWfWKpu/Ekkwx2D44rsaeGH9rtaK+ Je+T1UuDAmDz4kx0Rx5rcfCoXPTDr85r5w1ew5dIwZL127NhAjnpxn7IWbsj2QJfsKnMhhYRbdVgw sANeqJG3DEbQMb0WXpfhrltTtOZtVCOZ7B9i1O578bef1t1p1SqqR6h4hYFfefffrdMd+DxzbMPTS V+z0UWLA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sPPJF-0000000DqFF-2ins; Thu, 04 Jul 2024 16:27:49 +0000 Received: from s3.sipsolutions.net ([2a01:4f8:242:246e::2] helo=sipsolutions.net) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sPPJC-0000000DqDO-2TGp for linux-um@lists.infradead.org; Thu, 04 Jul 2024 16:27:48 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Content-Type:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=/RHcd/yUmz0Gk8fIDLX6wsZ8ME7gFNvXydNGe/JBc3w=; t=1720110466; x=1721320066; b=ph4fDmZ/iFKZj10Hch8KYx0eQHH4fzKNTl4W/nMulv/m6tF V+fugDy9OUsraD8ltw6kcW259EF7mFQ+SNh4Y9d/1nUyCIa0kmZzTr1mPXx4D84H+aV4c5EXOihJf zWBeRvM52Xo6FN0DESHXSweEtQfNosn47hTJ6SOnpM+fET6Ar7msvEI0eqmAFb8SV3QDd/uxqjZW3 JHsp117s7tzwt6OKotgby63naUbPa3F61a2b9joIU6Zg9+4nRbmoQ8RnTSrgqEcMmWYqnmJLKroV7 5GBdzuI+lUPM17+0fZ2aHgmwXHNBv2IU9fv0OEWqFYhaN5M2dwlLLLVMVlVVkMqQ==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.97) (envelope-from ) id 1sPPJ9-0000000DOu8-06sm; Thu, 04 Jul 2024 18:27:43 +0200 From: Benjamin Berg To: linux-um@lists.infradead.org Cc: Benjamin Berg Subject: [PATCH v7 1/7] um: Add generic stub_syscall1 function Date: Thu, 4 Jul 2024 18:27:11 +0200 Message-ID: <20240704162717.1417338-2-benjamin@sipsolutions.net> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240704162717.1417338-1-benjamin@sipsolutions.net> References: <20240704162717.1417338-1-benjamin@sipsolutions.net> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240704_092746_649922_B8E60712 X-CRM114-Status: UNSURE ( 7.31 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org From: Benjamin Berg The 64bit version did not have a stub_syscall1 function yet. Add it as it will be useful to implement a static binary for stub loading. Signed-off-by: Benjamin Berg --- arch/x86/um/shared/sysdep/stub_64.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/x86/um/shared/sysdep/stub_64.h b/arch/x86/um/shared/sysdep/stub_64.h index 67f44284f1aa..8e4ff39dcade 100644 --- a/arch/x86/um/shared/sysdep/stub_64.h +++ b/arch/x86/um/shared/sysdep/stub_64.h @@ -28,6 +28,17 @@ static __always_inline long stub_syscall0(long syscall) return ret; } +static __always_inline long stub_syscall1(long syscall, long arg1) +{ + long ret; + + __asm__ volatile (__syscall + : "=a" (ret) + : "0" (syscall), "D" (arg1) : __syscall_clobber ); + + return ret; +} + static __always_inline long stub_syscall2(long syscall, long arg1, long arg2) { long ret; -- 2.45.2