| /* |
| * host-signal.h: signal info dependent on the host architecture |
| * |
| * Copyright (c) 2021 Warner Losh |
| * |
| * SPDX-License-Identifier: GPL-2.0-or-later |
| */ |
| |
| #ifndef ARM_HOST_SIGNAL_H |
| #define ARM_HOST_SIGNAL_H |
| |
| #include <sys/ucontext.h> |
| |
| static inline uintptr_t host_signal_pc(ucontext_t *uc) |
| { |
| return uc->uc_mcontext.__gregs[_REG_PC]; |
| } |
| |
| static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc) |
| { |
| uc->uc_mcontext.__gregs[_REG_PC] = pc; |
| } |
| |
| static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) |
| { |
| /* |
| * In the FSR, bit 11 is WnR. FreeBSD returns this as part of the |
| * si_info.si_trapno. |
| */ |
| uint32_t fsr = info->si_trapno; |
| |
| return extract32(fsr, 11, 1); |
| } |
| |
| #endif |
