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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 901A5C433EF for ; Mon, 31 Jan 2022 20:18:46 +0000 (UTC) Received: from localhost ([::1]:39160 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nEd8P-0005Qj-Bu for qemu-devel@archiver.kernel.org; Mon, 31 Jan 2022 15:18:45 -0500 Received: from eggs.gnu.org ([209.51.188.92]:42762) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nEcnb-0004ls-Iv for qemu-devel@nongnu.org; Mon, 31 Jan 2022 14:57:15 -0500 Received: from [2607:f8b0:4864:20::d2e] (port=36662 helo=mail-io1-xd2e.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nEcnI-0002dc-RW for qemu-devel@nongnu.org; Mon, 31 Jan 2022 14:57:14 -0500 Received: by mail-io1-xd2e.google.com with SMTP id h7so18426579iof.3 for ; Mon, 31 Jan 2022 11:56:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=SGJfV2pZjNq6/Lkgq5idUT85KpfDUjfI//YVpMiMT3c=; b=ASz31J81lA7yv78WrHgzg7lo+F4ndKfXkJKRC7nDqs21+qipa2pw3sMURp5qQo3mYr kmSC6g98Aw9e8dDkuJol+K50wXMta7imOeMxSDgaFahuUC2zm4RoR4dQEyCAbxd3J5qp 4lT91F8tuQAsygFXnjUTMnSAJRJaYHNmwDBpePTkN0u6ryv9IzZIBwnYxpaLl4F7tHxB u7x/De7Gac1ghBFPfOaY28OziWD+1YBIQUvIiShAV5TtxmF+gYtPVAvyffbfFBYXrg7o zLb6WSaHa6eYRqFxbod8fdj77ju6keGFtmAyw3zA/2c2FSdDSRKRImHRoBMd4Yjcj/LU 4Rkw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=SGJfV2pZjNq6/Lkgq5idUT85KpfDUjfI//YVpMiMT3c=; b=jqI56Ct6arGh9NormjGC2s5zBC3mAuHvwnt+vPURKoyY2Uihn3TFnZRG4AEZ0UvRBB DhVFsIUNb8ehFimYVmhChCK/20/lkGFU7S9mDnHVqNh1sAZWT8qNPIVUEEYPQrTLNRUK tKrKKBhyQdESqDv2a9HC/vOwn4NyoKGmVakkEX923DOQKAf7WFzOYVxmbB6hIpFYIQeD 8ED8I3YPmoL2ogUI4i6JO87X83zX7ycpZNiOp+eUNOglm7d2eG2KwzxD3RJCVt0FyU3y jV+5AK7zc9oZ0dX37ZbBLdBI7F9lQ4+/8YgUU8N9qL++rQsuMEnS++/u1wVg1aV7Ll2d OebQ== X-Gm-Message-State: AOAM532oz4iEHp+zH098klJJbhafTC2a9k/kczR2aASPgdZz43eVvXQJ LCy9uS1VyVJX9/AFtLJaS3KBgagdWZiOBA== X-Google-Smtp-Source: ABdhPJyIX1ivq6eo+rjEh2X/LRYp1bHctz7Sz0ULDqHeOtLx1igvZWvcLe85EZ6iqp0n1QeoLqw2Ng== X-Received: by 2002:a05:6638:382a:: with SMTP id i42mr10148857jav.256.1643659000181; Mon, 31 Jan 2022 11:56:40 -0800 (PST) Received: from dune.bsdimp.com (50-253-99-174-static.hfc.comcastbusiness.net. [50.253.99.174]) by smtp.gmail.com with ESMTPSA id j2sm1972989ilu.82.2022.01.31.11.56.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Jan 2022 11:56:39 -0800 (PST) From: Warner Losh To: qemu-devel@nongnu.org Subject: [PULL 10/40] bsd-user/signal.c: Implement cpu_loop_exit_sigsegv Date: Mon, 31 Jan 2022 12:56:06 -0700 Message-Id: <20220131195636.31991-11-imp@bsdimp.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20220131195636.31991-1-imp@bsdimp.com> References: <20220131195636.31991-1-imp@bsdimp.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::d2e (failed) Received-SPF: none client-ip=2607:f8b0:4864:20::d2e; envelope-from=imp@bsdimp.com; helo=mail-io1-xd2e.google.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Stacey Son , Kyle Evans , Richard Henderson , def@FreeBSD.org, jrtc27@FreeBSD.org, Warner Losh Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" First attempt at implementing cpu_loop_exit_sigsegv, mostly copied from linux-user version of this function. Signed-off-by: Stacey Son Signed-off-by: Kyle Evans Signed-off-by: Warner Losh Reviewed-by: Peter Maydell Reviewed-by: Richard Henderson --- bsd-user/signal.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/bsd-user/signal.c b/bsd-user/signal.c index 1206d0d728c..12de0e2dea4 100644 --- a/bsd-user/signal.c +++ b/bsd-user/signal.c @@ -20,6 +20,7 @@ #include "qemu/osdep.h" #include "qemu.h" #include "signal-common.h" +#include "hw/core/tcg-cpu-ops.h" /* * Stubbed out routines until we merge signal support from bsd-user @@ -63,9 +64,17 @@ void process_pending_signals(CPUArchState *cpu_env) void cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr, MMUAccessType access_type, bool maperr, uintptr_t ra) { - qemu_log_mask(LOG_UNIMP, "No signal support for SIGSEGV\n"); - /* unreachable */ - abort(); + const struct TCGCPUOps *tcg_ops = CPU_GET_CLASS(cpu)->tcg_ops; + + if (tcg_ops->record_sigsegv) { + tcg_ops->record_sigsegv(cpu, addr, access_type, maperr, ra); + } + + force_sig_fault(TARGET_SIGSEGV, + maperr ? TARGET_SEGV_MAPERR : TARGET_SEGV_ACCERR, + addr); + cpu->exception_index = EXCP_INTERRUPT; + cpu_loop_exit_restore(cpu, ra); } void cpu_loop_exit_sigbus(CPUState *cpu, target_ulong addr, -- 2.33.1