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sigframe-common.h
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sigframe-common.h
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/*
* 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 <signal.h>
#include "syscall-types.h"
#include "asm/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 sigreturn_prep_fpu_frame(struct rt_sigframe *frame,
struct rt_sigframe *rframe);
#endif /* UAPI_COMPEL_SIGFRAME_COMMON_H__ */