qemu/linux-user/host/x86_64/host-signal.h

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/*
* host-signal.h: signal info dependent on the host architecture
*
* Copyright (C) 2021 Linaro Limited
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef X86_64_HOST_SIGNAL_H
#define X86_64_HOST_SIGNAL_H
static inline uintptr_t host_signal_pc(ucontext_t *uc)
{
return uc->uc_mcontext.gregs[REG_RIP];
}
static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc)
{
uc->uc_mcontext.gregs[REG_RIP] = pc;
}
static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc)
{
return uc->uc_mcontext.gregs[REG_TRAPNO] == 0xe
&& (uc->uc_mcontext.gregs[REG_ERR] & 0x2);
}
#endif