2022-03-21 01:35:27 +03:00
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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) 2003-2005 Fabrice Bellard
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* Copyright (c) 2021 Linaro Limited
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*
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* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef PPC_HOST_SIGNAL_H
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#define PPC_HOST_SIGNAL_H
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/* Needed for PT_* constants */
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#include <asm/ptrace.h>
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/* The third argument to a SA_SIGINFO handler is ucontext_t. */
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typedef ucontext_t host_sigcontext;
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static inline uintptr_t host_signal_pc(host_sigcontext *uc)
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{
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return uc->uc_mcontext.gp_regs[PT_NIP];
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}
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static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc)
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{
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uc->uc_mcontext.gp_regs[PT_NIP] = pc;
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}
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static inline void *host_signal_mask(host_sigcontext *uc)
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{
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return &uc->uc_sigmask;
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}
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static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc)
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{
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return uc->uc_mcontext.gp_regs[PT_TRAP] != 0x400
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&& (uc->uc_mcontext.gp_regs[PT_DSISR] & 0x02000000);
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}
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#endif
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