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