| /* |
| * 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 */ |