1 /*
2  * host-signal.h: signal info dependent on the host architecture
3  *
4  * Copyright (c) 2003-2005 Fabrice Bellard
5  * Copyright (c) 2021 Linaro Limited
6  *
7  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
8  * See the COPYING file in the top-level directory.
9  */
10 
11 #ifndef I386_HOST_SIGNAL_H
12 #define I386_HOST_SIGNAL_H
13 
14 static inline uintptr_t host_signal_pc(ucontext_t *uc)
15 {
16     return uc->uc_mcontext.gregs[REG_EIP];
17 }
18 
19 static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc)
20 {
21     uc->uc_mcontext.gregs[REG_EIP] = pc;
22 }
23 
24 static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc)
25 {
26     return uc->uc_mcontext.gregs[REG_TRAPNO] == 0xe
27         && (uc->uc_mcontext.gregs[REG_ERR] & 0x2);
28 }
29 
30 #endif
31