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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 177FAC433B4 for ; Mon, 17 May 2021 19:08:55 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B66F9610A1 for ; Mon, 17 May 2021 19:08:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B66F9610A1 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=vivier.eu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:39204 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1liibl-00022A-Rt for qemu-devel@archiver.kernel.org; Mon, 17 May 2021 15:08:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34400) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lihm8-0007B1-DG for qemu-devel@nongnu.org; Mon, 17 May 2021 14:15:32 -0400 Received: from mout.kundenserver.de ([212.227.126.131]:46997) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lihle-0004ca-9b for qemu-devel@nongnu.org; Mon, 17 May 2021 14:15:32 -0400 Received: from quad ([82.142.31.78]) by mrelayeu.kundenserver.de (mreue012 [212.227.15.167]) with ESMTPSA (Nemesis) id 1N7xml-1lMJG62dMJ-0155CK; Mon, 17 May 2021 20:14:57 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Subject: [PULL 59/59] linux-user/elfload: add s390x core dumping support Date: Mon, 17 May 2021 20:14:24 +0200 Message-Id: <20210517181424.8093-60-laurent@vivier.eu> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210517181424.8093-1-laurent@vivier.eu> References: <20210517181424.8093-1-laurent@vivier.eu> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:wji4x8+UUAGg3ZK2PgGBVwrOcMIeV7MANcvPK8kWfixtrMNxUTb Kf9IwAbiWNL/9u8hyWc5y6N3fHKBdBXLtXLD3CTFFzf5MCk25E7/gFcPlOY96hmYv2BqcPO dqHL6e0soaoR8IzlvzlxyUXKYmWiZacoRxIHCmLAgt7gakVk7WscDaDnmjwC0XF2laE76Vw jntZ1CtTl5jyt/MaoGpXw== X-UI-Out-Filterresults: notjunk:1;V03:K0:4Sa7AC+XY6M=:X+qDt7T41g2FUjvmXxTUQz oEgspOMXyQK83dOfUmYNqKnuTm+MK7ePSIk0gw5ykBR0z1TY6tDY+VjnvX70LuKS0o6dTDaKL reHwoUBQm0NNV6L3BS6xm19dUjLhq7g8qASFsfJBDUq9Kq/eF+pxmr9Zg5GlcJkIuq6Yonfmj EdYv0uh/HzXHYmQHldXph7f8KdAepPy7gOxEmja00J4f625ZpkhJ1lIa3tFgewZD5ubPc4dCp ZqKFeYk4LNwmIjHMACWq2w3+ZdGAQGn8MQbNjNME0iWGKeRGhTEU/hHmb7b+XrIs9NdHkCB49 uFtcRkeP3oqvZc1i1EF9VwMolIh29tJqzanI1Mo4+RTm9MTUuT8oiRkqBe0Whp3/u8btTgXsh wkQqnYhyBESiems5cNNiv7lKkGnYkes0uZXsjcwu/nMwQ7ZZcmN6gZ9SAkaXa6A7kvoA0jRKe uWuMBK/jFrohB8wUaxLio9wkkSNNzKz5ywyFslwIr1p1whBBrQ+xbjzW4zcPXmX4yMJJZnO/U 7Kep1o55VSqQ16nJmRUO+8= Received-SPF: none client-ip=212.227.126.131; envelope-from=laurent@vivier.eu; helo=mout.kundenserver.de X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Ilya Leoshkevich Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Ilya Leoshkevich Provide the following definitions required by the common code: * ELF_NREG: with the value of sizeof(s390_regs) / sizeof(long). * target_elf_gregset_t: define it like all the other arches do. * elf_core_copy_regs(): similar to kernel's s390_regs_get(). * USE_ELF_CORE_DUMP. * ELF_EXEC_PAGESIZE. Signed-off-by: Ilya Leoshkevich Message-Id: <20210413205608.22587-1-iii@linux.ibm.com> Signed-off-by: Laurent Vivier --- linux-user/elfload.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 9779263727ba..0e832b2649f6 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -1375,6 +1375,39 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i regs->gprs[15] = infop->start_stack; } +/* See linux kernel: arch/s390/include/uapi/asm/ptrace.h (s390_regs). */ +#define ELF_NREG 27 +typedef target_elf_greg_t target_elf_gregset_t[ELF_NREG]; + +enum { + TARGET_REG_PSWM = 0, + TARGET_REG_PSWA = 1, + TARGET_REG_GPRS = 2, + TARGET_REG_ARS = 18, + TARGET_REG_ORIG_R2 = 26, +}; + +static void elf_core_copy_regs(target_elf_gregset_t *regs, + const CPUS390XState *env) +{ + int i; + uint32_t *aregs; + + (*regs)[TARGET_REG_PSWM] = tswapreg(env->psw.mask); + (*regs)[TARGET_REG_PSWA] = tswapreg(env->psw.addr); + for (i = 0; i < 16; i++) { + (*regs)[TARGET_REG_GPRS + i] = tswapreg(env->regs[i]); + } + aregs = (uint32_t *)&((*regs)[TARGET_REG_ARS]); + for (i = 0; i < 16; i++) { + aregs[i] = tswap32(env->aregs[i]); + } + (*regs)[TARGET_REG_ORIG_R2] = 0; +} + +#define USE_ELF_CORE_DUMP +#define ELF_EXEC_PAGESIZE 4096 + #endif /* TARGET_S390X */ #ifdef TARGET_RISCV -- 2.31.1