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From: Kyle Evans <kevans@freebsd.org>
To: Warner Losh <imp@bsdimp.com>
Cc: Stacey Son <sson@freebsd.org>,
	qemu-trivial@nongnu.org, Kyle Evans <kevans@freebsd.org>,
	Michael Tokarev <mjt@tls.msk.ru>,
	QEMU Developers <qemu-devel@nongnu.org>,
	Laurent Vivier <laurent@vivier.eu>
Subject: Re: [PATCH 10/24] bsd-user/arm/target_arch_reg.h: Implement core dump register copying
Date: Tue, 26 Oct 2021 00:48:03 -0500	[thread overview]
Message-ID: <CACNAnaHBpQzBpzCFnvsujkX4YKqxxBJcGNzY+Ax3agoZ1xQXdA@mail.gmail.com> (raw)
In-Reply-To: <20211019164447.16359-11-imp@bsdimp.com>

On Tue, Oct 19, 2021 at 11:45 AM Warner Losh <imp@bsdimp.com> wrote:
>
> Implement the register copying routines to extract registers from the
> cpu for core dump generation.
>
> Signed-off-by: Stacey Son <sson@FreeBSD.org>
> Signed-off-by: Warner Losh <imp@bsdimp.com>
> ---
>  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 <http://www.gnu.org/licenses/>.
> + */
> +
> +#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_ */
> --
> 2.32.0
>

Reviewed-by: Kyle Evans <kevans@FreeBSD.org>


  reply	other threads:[~2021-10-26  5:58 UTC|newest]

Thread overview: 95+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-19 16:44 [PATCH 00/24] bsd-user: arm (32-bit) support Warner Losh
2021-10-19 16:44 ` [PATCH 01/24] bsd-user/arm/target_arch_sysarch.h: Use consistent include guards Warner Losh
2021-10-23  7:29   ` Kyle Evans
2021-10-28 15:08   ` Richard Henderson
2021-10-19 16:44 ` [PATCH 02/24] bsd-user/arm/target_syscall.h: Add copyright and update name Warner Losh
2021-10-23  7:30   ` Kyle Evans
2021-10-28 15:08   ` Richard Henderson
2021-10-19 16:44 ` [PATCH 03/24] bsd-user/arm/target_arch_cpu.c: Target specific TLS routines Warner Losh
2021-10-23  7:30   ` Kyle Evans
2021-10-28 15:08   ` Richard Henderson
2021-10-19 16:44 ` [PATCH 04/24] bsd-user/arm/target_arch_cpu.h: CPU Loop definitions Warner Losh
2021-10-23  7:31   ` Kyle Evans
2021-10-28 15:14   ` Richard Henderson
2021-10-28 17:36     ` Warner Losh
2021-10-19 16:44 ` [PATCH 05/24] bsd-user/arm/target_arch_cpu.h: Implement target_cpu_clone_regs Warner Losh
2021-10-23  7:31   ` Kyle Evans
2021-10-28 15:15   ` Richard Henderson
2021-10-19 16:44 ` [PATCH 06/24] bsd-user/arm/target_arch_cpu.h: Dummy target_cpu_loop implementation Warner Losh
2021-10-23  7:32   ` Kyle Evans
2021-10-28 15:15   ` Richard Henderson
2021-10-19 16:44 ` [PATCH 07/24] bsd-user/arm/target_arch_cpu.h: Implment trivial EXCP exceptions Warner Losh
2021-10-26  5:52   ` Kyle Evans
2021-10-28 15:19   ` Richard Henderson
2021-10-19 16:44 ` [PATCH 08/24] bsd-user/arm/target_arch_cpu.h: Implement data abort exceptions Warner Losh
2021-10-26  5:47   ` Kyle Evans
2021-10-28 15:29   ` Richard Henderson
2021-10-28 16:56     ` Warner Losh
2021-10-19 16:44 ` [PATCH 09/24] bsd-user/arm/target_arch_cpu.h: Implement system call dispatch Warner Losh
2021-10-23  7:33   ` Kyle Evans
2021-10-23 15:17     ` Warner Losh
2021-10-28 15:35   ` Richard Henderson
2021-10-28 17:56     ` Warner Losh
2021-10-19 16:44 ` [PATCH 10/24] bsd-user/arm/target_arch_reg.h: Implement core dump register copying Warner Losh
2021-10-26  5:48   ` Kyle Evans [this message]
2021-10-28 15:36   ` Richard Henderson
2021-10-19 16:44 ` [PATCH 11/24] bsd-user/arm/target_arch_vmparam.h: Parameters for arm address space Warner Losh
2021-10-26  5:52   ` Kyle Evans
2021-10-28 15:37   ` Richard Henderson
2021-10-19 16:44 ` [PATCH 12/24] bsd-user/arm/target_arch_sigtramp.h: Signal Trampoline for arm Warner Losh
2021-10-26  5:51   ` Kyle Evans
2021-10-28 15:42   ` Richard Henderson
2021-10-28 19:35     ` Warner Losh
2021-10-19 16:44 ` [PATCH 13/24] bsd-user/arm/target_arch_thread.h: Routines to create and switch to a thread Warner Losh
2021-10-26  6:01   ` Kyle Evans
2021-10-26  6:11     ` Kyle Evans
2021-10-27 15:35       ` Warner Losh
2021-10-27 15:40         ` Kyle Evans
2021-10-28 15:57   ` Richard Henderson
2021-10-28 19:45     ` Warner Losh
2021-10-29 16:06       ` Richard Henderson
2021-10-19 16:44 ` [PATCH 14/24] bsd-user/arm/target_arch_elf.h: arm defines for ELF Warner Losh
2021-10-26  6:07   ` Kyle Evans
2021-10-28 16:02   ` Richard Henderson
2021-10-19 16:44 ` [PATCH 15/24] bsd-user/arm/target_arch_elf.h: arm get hwcap Warner Losh
2021-10-26  6:02   ` Kyle Evans
2021-10-28 16:06   ` Richard Henderson
2021-10-19 16:44 ` [PATCH 16/24] bsd-user/arm/target_arch_elf.h: arm get_hwcap2 impl Warner Losh
2021-10-26  6:02   ` Kyle Evans
2021-10-28 16:08   ` Richard Henderson
2021-10-19 16:44 ` [PATCH 17/24] bsd-user/arm/target_arch_signal.h: arm specific signal registers and stack Warner Losh
2021-10-26  6:03   ` Kyle Evans
2021-10-28 16:18   ` Richard Henderson
2021-10-28 16:48     ` Warner Losh
2021-10-19 16:44 ` [PATCH 18/24] bsd-user/arm/target_arch_signal.h: arm machine context for signals Warner Losh
2021-10-26  6:03   ` Kyle Evans
2021-10-28 17:04   ` Richard Henderson
2021-10-28 17:18   ` Richard Henderson
2021-10-28 20:16     ` Warner Losh
2021-10-19 16:44 ` [PATCH 19/24] bsd-user/arm/target_arch_signal.h: arm user context and trapframe " Warner Losh
2021-10-26  6:07   ` Kyle Evans
2021-10-27 15:48     ` Warner Losh
2021-10-28 17:22   ` Richard Henderson
2021-10-30  2:44     ` Warner Losh
2021-10-19 16:44 ` [PATCH 20/24] bsd-user/arm/target_arch_signal.h: arm set_sigtramp_args Warner Losh
2021-10-26  6:10   ` Kyle Evans
2021-10-28 17:25   ` Richard Henderson
2021-10-28 17:35     ` Kyle Evans
2021-10-28 22:22       ` Warner Losh
2021-10-28 22:41     ` Warner Losh
2021-10-30  2:47       ` Warner Losh
2021-10-19 16:44 ` [PATCH 21/24] bsd-user/arm/target_arch_signal.h: arm get_mcontext Warner Losh
2021-10-26  6:08   ` Kyle Evans
2021-10-28 17:27   ` Richard Henderson
2021-10-19 16:44 ` [PATCH 22/24] bsd-user/arm/target_arch_signal.h: arm set_mcontext Warner Losh
2021-10-26  6:12   ` Kyle Evans
2021-10-28 17:53   ` Richard Henderson
2021-10-29  0:07     ` Warner Losh
2021-10-29  4:34       ` Warner Losh
2021-10-28 17:57   ` Richard Henderson
2021-10-19 16:44 ` [PATCH 23/24] bsd-user/arm/target_arch_signal.h: arm get_ucontext_sigreturn Warner Losh
2021-10-26  6:12   ` Kyle Evans
2021-10-28 17:59   ` Richard Henderson
2021-10-19 16:44 ` [PATCH 24/24] bsd-user: add arm target build Warner Losh
2021-10-26  6:21   ` Kyle Evans
2021-10-28 18:02     ` Richard Henderson

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