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