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Re: [PATCH 17/24] bsd-user/arm/target_arch_signal.h: arm specific signal
From: |
Kyle Evans |
Subject: |
Re: [PATCH 17/24] bsd-user/arm/target_arch_signal.h: arm specific signal registers and stack |
Date: |
Tue, 26 Oct 2021 01:03:11 -0500 |
On Tue, Oct 19, 2021 at 11:45 AM Warner Losh <imp@bsdimp.com> wrote:
>
> Defines for registers and stack layout related to signals.
>
> Signed-off-by: Stacey Son <sson@FreeBSD.org>
> Signed-off-by: Warner Losh <imp@bsdimp.com>
> ---
> bsd-user/arm/target_arch_signal.h | 57 +++++++++++++++++++++++++++++++
> 1 file changed, 57 insertions(+)
> create mode 100644 bsd-user/arm/target_arch_signal.h
>
> diff --git a/bsd-user/arm/target_arch_signal.h
> b/bsd-user/arm/target_arch_signal.h
> new file mode 100644
> index 0000000000..973183d99c
> --- /dev/null
> +++ b/bsd-user/arm/target_arch_signal.h
> @@ -0,0 +1,57 @@
> +/*
> + * arm signal definitions
> + *
> + * Copyright (c) 2013 Stacey D. 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_SIGNAL_H_
> +#define _TARGET_ARCH_SIGNAL_H_
> +
> +#include "cpu.h"
> +
> +#define TARGET_REG_R0 0
> +#define TARGET_REG_R1 1
> +#define TARGET_REG_R2 2
> +#define TARGET_REG_R3 3
> +#define TARGET_REG_R4 4
> +#define TARGET_REG_R5 5
> +#define TARGET_REG_R6 6
> +#define TARGET_REG_R7 7
> +#define TARGET_REG_R8 8
> +#define TARGET_REG_R9 9
> +#define TARGET_REG_R10 10
> +#define TARGET_REG_R11 11
> +#define TARGET_REG_R12 12
> +#define TARGET_REG_R13 13
> +#define TARGET_REG_R14 14
> +#define TARGET_REG_R15 15
> +#define TARGET_REG_CPSR 16
> +#define TARGET__NGREG 17
> +/* Convenience synonyms */
> +#define TARGET_REG_FP TARGET_REG_R11
> +#define TARGET_REG_SP TARGET_REG_R13
> +#define TARGET_REG_LR TARGET_REG_R14
> +#define TARGET_REG_PC TARGET_REG_R15
> +
> +#define TARGET_INSN_SIZE 4 /* arm instruction size */
> +
> +/* Size of the signal trampolin code. See _sigtramp(). */
> +#define TARGET_SZSIGCODE ((abi_ulong)(9 * TARGET_INSN_SIZE))
> +
> +/* compare to arm/include/_limits.h */
> +#define TARGET_MINSIGSTKSZ (1024 * 4) /* min sig stack
> size */
> +#define TARGET_SIGSTKSZ (TARGET_MINSIGSTKSZ + 32768) /* recommended
> size */
> +
> +#endif /* !_TARGET_ARCH_SIGNAL_H_ */
> --
> 2.32.0
>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
- Re: [PATCH 13/24] bsd-user/arm/target_arch_thread.h: Routines to create and switch to a thread, (continued)
[PATCH 14/24] bsd-user/arm/target_arch_elf.h: arm defines for ELF, Warner Losh, 2021/10/19
[PATCH 15/24] bsd-user/arm/target_arch_elf.h: arm get hwcap, Warner Losh, 2021/10/19
[PATCH 17/24] bsd-user/arm/target_arch_signal.h: arm specific signal registers and stack, Warner Losh, 2021/10/19
[PATCH 16/24] bsd-user/arm/target_arch_elf.h: arm get_hwcap2 impl, Warner Losh, 2021/10/19
[PATCH 20/24] bsd-user/arm/target_arch_signal.h: arm set_sigtramp_args, Warner Losh, 2021/10/19