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bsd-user/arm/target_arch_signal.h: arm specific signal registers and stack 

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>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
staging
Warner Losh 2021-09-23 15:15:08 -06:00
parent 883d19ccf9
commit 156d75579f
1 changed files with 57 additions and 0 deletions
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bsd-user/arm/target_arch_signal.h 100644
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/*
* 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_ */