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
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/*
* Don't include it directly but use "arch-sigframe.h" instead.
*/
#ifndef UAPI_COMPEL_SIGFRAME_COMMON_H__
#define UAPI_COMPEL_SIGFRAME_COMMON_H__
#ifndef UAPI_COMPEL_ASM_SIGFRAME_H__
#error "Direct inclusion is forbidden, use <compel/asm/sigframe.h> instead"
#endif
#include "common/compiler.h"
#include <signal.h>
#include <compel/plugins/std/asm/syscall-types.h>
struct rt_sigframe;
#ifndef SIGFRAME_MAX_OFFSET
#define SIGFRAME_MAX_OFFSET RT_SIGFRAME_OFFSET(0)
#endif
#define RESTORE_STACK_ALIGN(x, a) (((x) + (a)-1) & ~((a)-1))
/* sigframe should be aligned on 64 byte for x86 and 8 bytes for arm */
#define RESTORE_STACK_SIGFRAME RESTORE_STACK_ALIGN(sizeof(struct rt_sigframe) + SIGFRAME_MAX_OFFSET, 64)
#ifndef __ARCH_SI_PREAMBLE_SIZE
#define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
#endif
#define SI_MAX_SIZE 128
#ifndef SI_PAD_SIZE
#define SI_PAD_SIZE ((SI_MAX_SIZE - __ARCH_SI_PREAMBLE_SIZE) / sizeof(int))
#endif
typedef struct rt_siginfo {
int si_signo;
int si_errno;
int si_code;
int _pad[SI_PAD_SIZE];
} rt_siginfo_t;
typedef struct rt_sigaltstack {
void *ss_sp;
int ss_flags;
size_t ss_size;
} rt_stack_t;
struct rt_ucontext {
unsigned long uc_flags;
struct rt_ucontext *uc_link;
rt_stack_t uc_stack;
struct rt_sigcontext uc_mcontext;
k_rtsigset_t uc_sigmask; /* mask last for extensibility */
int _unused[32 - (sizeof(k_rtsigset_t) / sizeof(int))];
unsigned long uc_regspace[128] __attribute__((aligned(8)));
};
extern int __must_check sigreturn_prep_fpu_frame(struct rt_sigframe *frame, struct rt_sigframe *rframe);
#endif /* UAPI_COMPEL_SIGFRAME_COMMON_H__ */
|
