From nobody Sun Nov 24 09:41:00 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=reject dis=none) header.from=linux.ibm.com ARC-Seal: i=1; a=rsa-sha256; t=1726133472; cv=none; d=zohomail.com; s=zohoarc; b=gkbUFAAx1QfF4btLWZYpFikeq7Fv7VTlII/asKaSJH6ubAYLwYWLaGRfbU1b3KtTi2cr0YLLLS/ZG3XgjNS3bmsKqVNPFrY8dU0JFIrmYYM5+dAT80B0bUQ6oyenyyHfIqfWBmUfZHBADlQtXjbDb2FAZr7mFf9STe6J2ZguL/8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1726133472; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=z15MGlbE7xNbfKEJzQJx28SesNJPf3ivaIA6ZPPyPdw=; b=UQ/12ULOXn0dWxYbpe6Fu+I6hv/Bpxi763MqkHgwHWOZruLB3uUdYB7on50JcSY32BqYDsGnVhklNITw1dWMGPX9cvQ9rLc3A0LDNxxQXTrNVeS/7l974pyuD72Wovow0odnUSREyecIT/hnzQZj1RKH4jGZiCmxduAwE5B7k7I= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1726133472114964.0735645830525; Thu, 12 Sep 2024 02:31:12 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sog9v-00074Q-Iw; Thu, 12 Sep 2024 05:30:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sog9k-0006vh-6x for qemu-devel@nongnu.org; Thu, 12 Sep 2024 05:30:37 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sog9g-0004LX-8p for qemu-devel@nongnu.org; Thu, 12 Sep 2024 05:30:26 -0400 Received: from pps.filterd (m0353729.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 48BIpASP013414; Thu, 12 Sep 2024 09:30:21 GMT Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 41gegx2qrp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 12 Sep 2024 09:30:21 +0000 (GMT) Received: from m0353729.ppops.net (m0353729.ppops.net [127.0.0.1]) by pps.reinject (8.18.0.8/8.18.0.8) with ESMTP id 48C9T1Ul018821; Thu, 12 Sep 2024 09:30:20 GMT Received: from ppma12.dal12v.mail.ibm.com (dc.9e.1632.ip4.static.sl-reverse.com [50.22.158.220]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 41gegx2qrh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 12 Sep 2024 09:30:20 +0000 (GMT) Received: from pps.filterd (ppma12.dal12v.mail.ibm.com [127.0.0.1]) by ppma12.dal12v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 48C8Q44X003141; Thu, 12 Sep 2024 09:30:19 GMT Received: from smtprelay03.fra02v.mail.ibm.com ([9.218.2.224]) by ppma12.dal12v.mail.ibm.com (PPS) with ESMTPS id 41h15u767k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 12 Sep 2024 09:30:19 +0000 Received: from smtpav07.fra02v.mail.ibm.com (smtpav07.fra02v.mail.ibm.com [10.20.54.106]) by smtprelay03.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 48C9UHlr53150096 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 12 Sep 2024 09:30:17 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5DED42004B; Thu, 12 Sep 2024 09:30:17 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F1DF320040; Thu, 12 Sep 2024 09:30:16 +0000 (GMT) Received: from heavy.ibm.com (unknown [9.171.24.155]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Thu, 12 Sep 2024 09:30:16 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from :to:cc:subject:date:message-id:in-reply-to:references :content-transfer-encoding:mime-version; s=pp1; bh=z15MGlbE7xNbf KEJzQJx28SesNJPf3ivaIA6ZPPyPdw=; b=TSCQ58hNNHNzzzANuOzOipKNUj7pF +MfnLD2JwlAOGGpQ4UbXWOQsjrkzwYkUuGVm+RhsejZbHQ93aERBCSwWfSSYt/wB YQvuKPpHDy0Q/et1K4xgdn4hzD9OtmRwGSEKjCcNRq+Y6wni9WkhNTZrXTW7yYZd Hc3KMR2SAk/7aiBZtX8P1PxqifojxqhkIpZTlbD4u/MjQ3cEN9eJrTg8W1EkU6Kb Yqr3zUNN7lqm2uT0yMhJZbpaErnJyUsYwjMKtLF/49Fpb/x+Fv0O5kTdhr7orxna RuL3zd3k4gxQd8zCLUKqOISB9fZazECSrX+e5kG9+KuEedzzeuVs67Frg== From: Ilya Leoshkevich To: Laurent Vivier , =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Paolo Bonzini , Richard Henderson Cc: qemu-devel@nongnu.org, Ilya Leoshkevich Subject: [PATCH v2 4/5] target/i386/gdbstub: Expose orig_ax Date: Thu, 12 Sep 2024 11:28:23 +0200 Message-ID: <20240912093012.402366-5-iii@linux.ibm.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240912093012.402366-1-iii@linux.ibm.com> References: <20240912093012.402366-1-iii@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: i9WFuKSwO2qVuHAKfe3yZx0DNjwJHqfs X-Proofpoint-ORIG-GUID: LhQmdMKb_lvCQ0KQ4vUU49ONfr_DbMmn Content-Transfer-Encoding: quoted-printable X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-12_01,2024-09-09_02,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 mlxlogscore=969 lowpriorityscore=0 suspectscore=0 priorityscore=1501 bulkscore=0 adultscore=0 impostorscore=0 clxscore=1015 malwarescore=0 mlxscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2408220000 definitions=main-2409120063 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=148.163.156.1; envelope-from=iii@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1726133474389116600 Content-Type: text/plain; charset="utf-8" Copy XML files describing orig_ax from GDB and glue them with CPUX86State.orig_ax. Reviewed-by: Richard Henderson Signed-off-by: Ilya Leoshkevich --- configs/targets/i386-linux-user.mak | 2 +- configs/targets/x86_64-linux-user.mak | 2 +- gdb-xml/i386-32bit-linux.xml | 11 ++++++ gdb-xml/i386-64bit-linux.xml | 11 ++++++ target/i386/cpu.c | 1 + target/i386/cpu.h | 1 + target/i386/gdbstub.c | 51 +++++++++++++++++++++++++++ 7 files changed, 77 insertions(+), 2 deletions(-) create mode 100644 gdb-xml/i386-32bit-linux.xml create mode 100644 gdb-xml/i386-64bit-linux.xml diff --git a/configs/targets/i386-linux-user.mak b/configs/targets/i386-lin= ux-user.mak index 5b2546a4309..b72a156473a 100644 --- a/configs/targets/i386-linux-user.mak +++ b/configs/targets/i386-linux-user.mak @@ -1,4 +1,4 @@ TARGET_ARCH=3Di386 TARGET_SYSTBL_ABI=3Di386 TARGET_SYSTBL=3Dsyscall_32.tbl -TARGET_XML_FILES=3D gdb-xml/i386-32bit.xml +TARGET_XML_FILES=3D gdb-xml/i386-32bit.xml gdb-xml/i386-32bit-linux.xml diff --git a/configs/targets/x86_64-linux-user.mak b/configs/targets/x86_64= -linux-user.mak index 9ceefbb615a..86042814d39 100644 --- a/configs/targets/x86_64-linux-user.mak +++ b/configs/targets/x86_64-linux-user.mak @@ -2,4 +2,4 @@ TARGET_ARCH=3Dx86_64 TARGET_BASE_ARCH=3Di386 TARGET_SYSTBL_ABI=3Dcommon,64 TARGET_SYSTBL=3Dsyscall_64.tbl -TARGET_XML_FILES=3D gdb-xml/i386-64bit.xml +TARGET_XML_FILES=3D gdb-xml/i386-64bit.xml gdb-xml/i386-64bit-linux.xml diff --git a/gdb-xml/i386-32bit-linux.xml b/gdb-xml/i386-32bit-linux.xml new file mode 100644 index 00000000000..5ffe5616e63 --- /dev/null +++ b/gdb-xml/i386-32bit-linux.xml @@ -0,0 +1,11 @@ + + + + + + + diff --git a/gdb-xml/i386-64bit-linux.xml b/gdb-xml/i386-64bit-linux.xml new file mode 100644 index 00000000000..0f26990d2f7 --- /dev/null +++ b/gdb-xml/i386-64bit-linux.xml @@ -0,0 +1,11 @@ + + + + + + + diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 85ef7452c04..52788e6170d 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -7831,6 +7831,7 @@ static void x86_cpu_realizefn(DeviceState *dev, Error= **errp) =20 mce_init(cpu); =20 + x86_cpu_gdb_init(cs); qemu_init_vcpu(cs); =20 /* diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 14edd57a37b..dc2e074e227 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -2231,6 +2231,7 @@ void x86_cpu_dump_state(CPUState *cs, FILE *f, int fl= ags); =20 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg); int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg); +void x86_cpu_gdb_init(CPUState *cs); =20 void x86_cpu_list(void); int cpu_x86_support_mca_broadcast(CPUX86State *env); diff --git a/target/i386/gdbstub.c b/target/i386/gdbstub.c index cc5eceeb7eb..04c49e802d7 100644 --- a/target/i386/gdbstub.c +++ b/target/i386/gdbstub.c @@ -18,8 +18,13 @@ * License along with this library; if not, see . */ #include "qemu/osdep.h" +#include "accel/tcg/vcpu-state.h" #include "cpu.h" +#include "exec/gdbstub.h" #include "gdbstub/helpers.h" +#ifdef CONFIG_LINUX_USER +#include "linux-user/qemu.h" +#endif =20 #ifdef TARGET_X86_64 static const int gpr_map[16] =3D { @@ -406,3 +411,49 @@ int x86_cpu_gdb_write_register(CPUState *cs, uint8_t *= mem_buf, int n) /* Unrecognised register. */ return 0; } + +#ifdef CONFIG_LINUX_USER + +#define IDX_ORIG_AX 0 + +static int x86_cpu_gdb_read_linux_register(CPUState *cs, GByteArray *mem_b= uf, + int n) +{ + X86CPU *cpu =3D X86_CPU(cs); + CPUX86State *env =3D &cpu->env; + + switch (n) { + case IDX_ORIG_AX: + return gdb_get_reg(env, mem_buf, get_task_state(cs)->orig_ax); + } + return 0; +} + +static int x86_cpu_gdb_write_linux_register(CPUState *cs, uint8_t *mem_buf, + int n) +{ + X86CPU *cpu =3D X86_CPU(cs); + CPUX86State *env =3D &cpu->env; + + switch (n) { + case IDX_ORIG_AX: + return gdb_write_reg(env, mem_buf, &get_task_state(cs)->orig_ax); + } + return 0; +} + +#endif + +void x86_cpu_gdb_init(CPUState *cs) +{ +#ifdef CONFIG_LINUX_USER + gdb_register_coprocessor(cs, x86_cpu_gdb_read_linux_register, + x86_cpu_gdb_write_linux_register, +#ifdef TARGET_X86_64 + gdb_find_static_feature("i386-64bit-linux.xml= "), +#else + gdb_find_static_feature("i386-32bit-linux.xml= "), +#endif + 0); +#endif +} --=20 2.46.0