From nobody Tue Feb 10 20:06:40 2026 Delivered-To: importer@patchew.org Received-SPF: temperror (zoho.com: Error in retrieving data from DNS) 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; dkim=fail; spf=temperror (zoho.com: Error in retrieving data from DNS) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 1509454658201100.39592237259706; Tue, 31 Oct 2017 05:57:38 -0700 (PDT) Received: from localhost ([::1]:45511 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e9W6c-0004NQ-8b for importer@patchew.org; Tue, 31 Oct 2017 08:57:22 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54154) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e9W3o-0002Rw-W9 for qemu-devel@nongnu.org; Tue, 31 Oct 2017 08:54:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e9W3k-0005Ew-CG for qemu-devel@nongnu.org; Tue, 31 Oct 2017 08:54:29 -0400 Received: from mail-wr0-x243.google.com ([2a00:1450:400c:c0c::243]:44709) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1e9W3k-0005Ea-2b for qemu-devel@nongnu.org; Tue, 31 Oct 2017 08:54:24 -0400 Received: by mail-wr0-x243.google.com with SMTP id z55so15871182wrz.1 for ; Tue, 31 Oct 2017 05:54:23 -0700 (PDT) Received: from cloudburst.twiddle.net.ASUS (p57A4515F.dip0.t-ipconnect.de. [87.164.81.95]) by smtp.gmail.com with ESMTPSA id e131sm999011wmg.15.2017.10.31.05.54.19 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 31 Oct 2017 05:54:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=pud2nUSXV0rBPAM+RZaQSzlUNb/w+5/NQMqlaRilYb8=; b=W1UZWN+oC7wu27WZXjwfYd7qNCO4BSkY/M31d+aGviSbow/xZcTP7PmzoBsBG5zMFs DZfCgF/vtWPlkX2VDvRR1dOsbPyfYmSD200c2sp/ErU4r24cw2VXLmWRyL7GUmxT3EQH M03TzSZvq9S2ab6GiMmyT6ia2FsbjBbFu1/OA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=pud2nUSXV0rBPAM+RZaQSzlUNb/w+5/NQMqlaRilYb8=; b=jfBjtzVN9MRsV+b1/V4Ddi2DnM50cELSlVxWZHAc1xIeA1oig8VM+IaeOU3r8fzbLC 5ibJJWxKxdmV//fy/i2V5XDECAbYnIqgUOwROCqlHNn/XE/pqKMaRBz9U0/lb4/U+Srx dP6hmifgRX6o9XVV6JUKtBdTTxaGRireQGD+feXKcGKQp4Ag2tuFjpS8/ehuYSHCH5ai ZxOUyJt3u5IUXRnX7n3wnK+RRnKgFV6b+RQoNX1LWXFn/s41XjoGv5X7efYUoSztfION TKL7AEgwvHtZL3ezsHSBGqrxO5481CadjZ5OGrzuuB/e01PuRnXom3tCZ9FiGdMwGjc5 lMVw== X-Gm-Message-State: AMCzsaU18cJqL9/npd9X9gDimPYLZv+yxn48HtkDZ1x/SY4mQQpDnNVe GYlIEjKhZG82dQVJfjgwOA4+LzjIfLw= X-Google-Smtp-Source: ABhQp+RocubV0GWSjP591WTUoI5as4ILBBjUSS6qPshLSdft9VjhVPHOY3nGsGlzDybwetBxNnYZ3w== X-Received: by 10.223.179.20 with SMTP id j20mr1885364wrd.116.1509454462861; Tue, 31 Oct 2017 05:54:22 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 31 Oct 2017 13:53:54 +0100 Message-Id: <20171031125358.23377-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20171031125358.23377-1-richard.henderson@linaro.org> References: <20171031125358.23377-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:400c:c0c::243 Subject: [Qemu-devel] [PATCH 3/7] linux-user/hppa: Fix cpu_clone_regs 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: riku.voipio@iki.fi, Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_6 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Richard Henderson By failing to return from the syscall in the child, the child issues another clone syscall and hilarity ensues. Signed-off-by: Richard Henderson --- linux-user/hppa/target_cpu.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/linux-user/hppa/target_cpu.h b/linux-user/hppa/target_cpu.h index 1a5cecad3c..e50522eae9 100644 --- a/linux-user/hppa/target_cpu.h +++ b/linux-user/hppa/target_cpu.h @@ -24,7 +24,11 @@ static inline void cpu_clone_regs(CPUHPPAState *env, tar= get_ulong newsp) if (newsp) { env->gr[30] =3D newsp; } + /* Indicate child in return value. */ env->gr[28] =3D 0; + /* Return from the syscall. */ + env->iaoq_f =3D env->gr[31]; + env->iaoq_b =3D env->gr[31] + 4; } =20 static inline void cpu_set_tls(CPUHPPAState *env, target_ulong newtls) --=20 2.13.6