2021-09-16 19:44:47 -07:00
|
|
|
/*
|
|
|
|
|
* 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 I386_HOST_SIGNAL_H
|
|
|
|
|
#define I386_HOST_SIGNAL_H
|
|
|
|
|
|
2022-02-08 09:40:00 +03:00
|
|
|
/* 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)
|
2021-09-16 19:44:47 -07:00
|
|
|
{
|
|
|
|
|
return uc->uc_mcontext.gregs[REG_EIP];
|
|
|
|
|
}
|
|
|
|
|
|
2022-02-08 09:40:00 +03:00
|
|
|
static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc)
|
2021-11-12 21:55:59 -07:00
|
|
|
{
|
|
|
|
|
uc->uc_mcontext.gregs[REG_EIP] = pc;
|
|
|
|
|
}
|
|
|
|
|
|
2022-02-08 09:40:00 +03:00
|
|
|
static inline void *host_signal_mask(host_sigcontext *uc)
|
2022-02-08 09:30:42 +03:00
|
|
|
{
|
|
|
|
|
return &uc->uc_sigmask;
|
|
|
|
|
}
|
|
|
|
|
|
2022-02-08 09:40:00 +03:00
|
|
|
static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc)
|
2021-09-16 19:44:47 -07:00
|
|
|
{
|
|
|
|
|
return uc->uc_mcontext.gregs[REG_TRAPNO] == 0xe
|
|
|
|
|
&& (uc->uc_mcontext.gregs[REG_ERR] & 0x2);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#endif
|
