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Tue, 13 Apr 2021 20:56:12 +0000 Received: from d06av24.portsmouth.uk.ibm.com (d06av24.portsmouth.uk.ibm.com [9.149.105.60]) by b06avi18878370.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 13DKtlsf20250928 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 13 Apr 2021 20:55:47 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B64D74203F; Tue, 13 Apr 2021 20:56:09 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5042142042; Tue, 13 Apr 2021 20:56:09 +0000 (GMT) Received: from vm.lan (unknown [9.145.157.105]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 13 Apr 2021 20:56:09 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding; s=pp1; bh=/mLVgJRlO4VURGg6dQ14sB3fs4hCcX+Kefc6S64V1Hw=; b=XJcoa++BxcPUSZ011Ud5cZmBVl0r7txlwZOslzJIx3hNgcjcEhpZIHXV7M4+ZLu2i/GY HQJaqgyeaYJOXfz/2fShxmZQUpuSiEQ8mmDUrjkaB8OTWFR5K8raUX/VGm+hLzZ88Bie x5nlTRpiVlooCRwpHEeeLUbt8pBa6okuTJ5sPGFL0Kkh2LeTOTB1Egzn4sOSWfgOkrxi pPUzPG2sL/5Dry90WXniegDcOb/3TVivkilCxgudDGcwFdw6xcMWpRc5MZBDKwKEfhB3 AczAV8hVrljOuioNW8DPAKkqdIDfI6HuhR/9044gAriPlOn3m24KBbRwFLxtJ1cTV7+2 tQ== From: Ilya Leoshkevich To: Laurent Vivier , Cornelia Huck , Thomas Huth Subject: [PATCH] linux-user/elfload: add s390x core dumping support Date: Tue, 13 Apr 2021 22:56:08 +0200 Message-Id: <20210413205608.22587-1-iii@linux.ibm.com> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: NzZN6irnS7TPX_yLQam9OjXLa7stwJWs X-Proofpoint-ORIG-GUID: zuOsAxSzsQ6LW8Bz8wbdrRacE-vvCVjh X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.761 definitions=2021-04-13_15:2021-04-13, 2021-04-13 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 spamscore=0 phishscore=0 mlxscore=0 priorityscore=1501 adultscore=0 malwarescore=0 mlxlogscore=999 clxscore=1011 bulkscore=0 impostorscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104060000 definitions=main-2104130137 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.158.5; envelope-from=iii@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-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: Christian Borntraeger , qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Ilya Leoshkevich Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" 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 --- linux-user/elfload.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index c6731013fd..4e45bd1539 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -1385,6 +1385,39 @@ static inline void init_thread(struct target_pt_regs= *regs, struct image_info *i regs->gprs[15] =3D infop->start_stack; } =20 +/* 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 =3D 0, + TARGET_REG_PSWA =3D 1, + TARGET_REG_GPRS =3D 2, + TARGET_REG_ARS =3D 18, + TARGET_REG_ORIG_R2 =3D 26, +}; + +static void elf_core_copy_regs(target_elf_gregset_t *regs, + const CPUS390XState *env) +{ + int i; + uint32_t *aregs; + + (*regs)[TARGET_REG_PSWM] =3D tswapreg(env->psw.mask); + (*regs)[TARGET_REG_PSWA] =3D tswapreg(env->psw.addr); + for (i =3D 0; i < 16; i++) { + (*regs)[TARGET_REG_GPRS + i] =3D tswapreg(env->regs[i]); + } + aregs =3D (uint32_t *)&((*regs)[TARGET_REG_ARS]); + for (i =3D 0; i < 16; i++) { + aregs[i] =3D tswap32(env->aregs[i]); + } + (*regs)[TARGET_REG_ORIG_R2] =3D 0; +} + +#define USE_ELF_CORE_DUMP +#define ELF_EXEC_PAGESIZE 4096 + #endif /* TARGET_S390X */ =20 #ifdef TARGET_RISCV --=20 2.29.2