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[50.253.99.174]) by smtp.gmail.com with ESMTPSA id v4sm3508528ilq.57.2021.11.04.20.20.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Nov 2021 20:20:07 -0700 (PDT) From: Warner Losh To: qemu-devel@nongnu.org Subject: [PATCH v4 21/36] bsd-user/arm/target_arch_reg.h: Implement core dump register copying Date: Thu, 4 Nov 2021 21:19:02 -0600 Message-Id: <20211105031917.87837-22-imp@bsdimp.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211105031917.87837-1-imp@bsdimp.com> References: <20211105031917.87837-1-imp@bsdimp.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: none client-ip=2607:f8b0:4864:20::d2a; envelope-from=imp@bsdimp.com; helo=mail-io1-xd2a.google.com 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=unavailable 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: Stacey Son , qemu-trivial@nongnu.org, Michael Tokarev , Richard Henderson , Philippe Mathieu-Daude , Laurent Vivier , Kyle Evans , Warner Losh Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Implement the register copying routines to extract registers from the cpu for core dump generation. Signed-off-by: Stacey Son Signed-off-by: Warner Losh Reviewed-by: Kyle Evans Reviewed-by: Richard Henderson --- bsd-user/arm/target_arch_reg.h | 60 ++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 bsd-user/arm/target_arch_reg.h diff --git a/bsd-user/arm/target_arch_reg.h b/bsd-user/arm/target_arch_reg.h new file mode 100644 index 0000000000..ef5ed5154f --- /dev/null +++ b/bsd-user/arm/target_arch_reg.h @@ -0,0 +1,60 @@ +/* + * FreeBSD arm register structures + * + * Copyright (c) 2015 Stacey Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#ifndef _TARGET_ARCH_REG_H_ +#define _TARGET_ARCH_REG_H_ + +/* See sys/arm/include/reg.h */ +typedef struct target_reg { + uint32_t r[13]; + uint32_t r_sp; + uint32_t r_lr; + uint32_t r_pc; + uint32_t r_cpsr; +} target_reg_t; + +typedef struct target_fp_reg { + uint32_t fp_exponent; + uint32_t fp_mantissa_hi; + u_int32_t fp_mantissa_lo; +} target_fp_reg_t; + +typedef struct target_fpreg { + uint32_t fpr_fpsr; + target_fp_reg_t fpr[8]; +} target_fpreg_t; + +#define tswapreg(ptr) tswapal(ptr) + +static inline void target_copy_regs(target_reg_t *regs, const CPUARMState *env) +{ + int i; + + for (i = 0; i < 13; i++) { + regs->r[i] = tswapreg(env->regs[i + 1]); + } + regs->r_sp = tswapreg(env->regs[13]); + regs->r_lr = tswapreg(env->regs[14]); + regs->r_pc = tswapreg(env->regs[15]); + regs->r_cpsr = tswapreg(cpsr_read((CPUARMState *)env)); +} + +#undef tswapreg + +#endif /* !_TARGET_ARCH_REG_H_ */ -- 2.33.0