From nobody Wed Nov 5 05:23:31 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1532970978114160.98422867530837; Mon, 30 Jul 2018 10:16:18 -0700 (PDT) Received: from localhost ([::1]:53912 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fkBkz-0002GU-5o for importer@patchew.org; Mon, 30 Jul 2018 13:14:53 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39916) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fkB5U-0007kS-06 for qemu-devel@nongnu.org; Mon, 30 Jul 2018 12:32:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fkB5T-0004tO-4I for qemu-devel@nongnu.org; Mon, 30 Jul 2018 12:32:00 -0400 Received: from mx2.rt-rk.com ([89.216.37.149]:50060 helo=mail.rt-rk.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fkB5S-0004t9-TQ for qemu-devel@nongnu.org; Mon, 30 Jul 2018 12:31:59 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id AC2B71A1FB8; Mon, 30 Jul 2018 18:31:57 +0200 (CEST) Received: from rtrkw774-lin.domain.local (rtrkw774-lin.domain.local [10.10.13.43]) by mail.rt-rk.com (Postfix) with ESMTPSA id 8EA8D1A1E6F; Mon, 30 Jul 2018 18:31:57 +0200 (CEST) X-Virus-Scanned: amavisd-new at rt-rk.com From: Aleksandar Markovic To: qemu-devel@nongnu.org Date: Mon, 30 Jul 2018 18:12:46 +0200 Message-Id: <1532967169-22265-74-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1532967169-22265-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1532967169-22265-1-git-send-email-aleksandar.markovic@rt-rk.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 89.216.37.149 Subject: [Qemu-devel] [PATCH v5 73/76] linux-user: Add support for nanoMIPS signal trampoline X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pburton@wavecomp.com, smarkovic@wavecomp.com, riku.voipio@iki.fi, richard.henderson@linaro.org, laurent@vivier.eu, philippe.mathieu.daude@gmail.com, amarkovic@wavecomp.com, pjovanovic@wavecomp.com, aurelien@aurel32.net Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Aleksandar Rikalo Add signal trampoline support for nanoMIPS. Signed-off-by: Aleksandar Rikalo Signed-off-by: Aleksandar Markovic Signed-off-by: Stefan Markovic --- linux-user/mips/signal.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/linux-user/mips/signal.c b/linux-user/mips/signal.c index ab66429..c6f5504 100644 --- a/linux-user/mips/signal.c +++ b/linux-user/mips/signal.c @@ -101,6 +101,17 @@ static inline int install_sigtramp(unsigned int *tramp= , unsigned int syscall) { int err =3D 0; =20 +#if defined(TARGET_ABI_MIPSP32) + uint16_t *tramp16 =3D (uint16_t *)tramp; + /* + * li $2, __NR__foo_sigreturn + * syscall 0 + */ + __put_user(0x6040 , tramp16 + 0); + __put_user(syscall, tramp16 + 1); + __put_user(0 , tramp16 + 2); + __put_user(0x1008 , tramp16 + 3); +#else /* * Set up the return code ... * @@ -110,7 +121,7 @@ static inline int install_sigtramp(unsigned int *tramp,= unsigned int syscall) =20 __put_user(0x24020000 + syscall, tramp + 0); __put_user(0x0000000c , tramp + 1); - +#endif return err; } =20 --=20 2.7.4