blob: e2b64f077f713d944d1c7f178949ee66b0017f1b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/*
* 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
/* 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.gregs[REG_EIP];
}
static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc)
{
uc->uc_mcontext.gregs[REG_EIP] = 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.gregs[REG_TRAPNO] == 0xe
&& (uc->uc_mcontext.gregs[REG_ERR] & 0x2);
}
#endif
|
