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/*
* ARM AArch64 specific signal definitions for bsd-user
*
* Copyright (c) 2015 Stacey D. Son <sson at FreeBSD>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TARGET_ARCH_SIGNAL_H
#define TARGET_ARCH_SIGNAL_H
#include "cpu.h"
#define TARGET_REG_X0 0
#define TARGET_REG_X30 30
#define TARGET_REG_X31 31
#define TARGET_REG_LR TARGET_REG_X30
#define TARGET_REG_SP TARGET_REG_X31
#define TARGET_INSN_SIZE 4 /* arm64 instruction size */
/* Size of the signal trampolin code. See _sigtramp(). */
#define TARGET_SZSIGCODE ((abi_ulong)(9 * TARGET_INSN_SIZE))
/* compare to sys/arm64/include/_limits.h */
#define TARGET_MINSIGSTKSZ (1024 * 4) /* min sig stack size */
#define TARGET_SIGSTKSZ (TARGET_MINSIGSTKSZ + 32768) /* recommended size */
/* struct __mcontext in sys/arm64/include/ucontext.h */
struct target_gpregs {
uint64_t gp_x[30];
uint64_t gp_lr;
uint64_t gp_sp;
uint64_t gp_elr;
uint32_t gp_spsr;
uint32_t gp_pad;
};
struct target_fpregs {
__uint128_t fp_q[32];
uint32_t fp_sr;
uint32_t fp_cr;
uint32_t fp_flags;
uint32_t fp_pad;
};
struct target__mcontext {
struct target_gpregs mc_gpregs;
struct target_fpregs mc_fpregs;
uint32_t mc_flags;
#define TARGET_MC_FP_VALID 0x1
uint32_t mc_pad;
uint64_t mc_spare[8];
};
typedef struct target__mcontext target_mcontext_t;
#define TARGET_MCONTEXT_SIZE 880
#define TARGET_UCONTEXT_SIZE 960
#include "target_os_ucontext.h"
struct target_sigframe {
target_siginfo_t sf_si; /* saved siginfo */
target_ucontext_t sf_uc; /* saved ucontext */
};
#endif /* TARGET_ARCH_SIGNAL_H */