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#ifndef __SIGNALS_H__
#define __SIGNALS_H__
#include <signal.h>
typedef void (*sighandler_t)(int);
typedef struct x64_sigaction_s {
union {
sighandler_t _sa_handler;
void (*_sa_sigaction)(int, siginfo_t *, void *);
} _u;
sigset_t sa_mask;
uint32_t sa_flags;
void (*sa_restorer)(void);
} x64_sigaction_t;
typedef struct x64_sigaction_restorer_s {
union {
sighandler_t _sa_handler;
void (*_sa_sigaction)(int, siginfo_t *, void *);
} _u;
uint32_t sa_flags;
void (*sa_restorer)(void);
sigset_t sa_mask;
} x64_sigaction_restorer_t;
#ifdef BOX32
typedef struct __attribute__((packed)) i386_sigaction_s {
union {
ptr_t _sa_handler; // sighandler_t
ptr_t _sa_sigaction; //void (*_sa_sigaction)(int, siginfo_t *, void *);
} _u;
sigset_t sa_mask;
uint32_t sa_flags;
ptr_t sa_restorer; //void (*sa_restorer)(void);
} i386_sigaction_t;
typedef struct __attribute__((packed)) i386_sigaction_restorer_s {
union {
ptr_t _sa_handler; //sighandler_t
ptr_t _sa_sigaction; //void (*_sa_sigaction)(int, siginfo_t *, void *);
} _u;
uint32_t sa_flags;
ptr_t sa_restorer; //void (*sa_restorer)(void);
sigset_t sa_mask;
} i386_sigaction_restorer_t;
#endif
sighandler_t my_signal(x64emu_t* emu, int signum, sighandler_t handler);
sighandler_t my___sysv_signal(x64emu_t* emu, int signum, sighandler_t handler);
sighandler_t my_sysv_signal(x64emu_t* emu, int signum, sighandler_t handler);
int my_sigaction(x64emu_t* emu, int signum, const x64_sigaction_t *act, x64_sigaction_t *oldact);
int my___sigaction(x64emu_t* emu, int signum, const x64_sigaction_t *act, x64_sigaction_t *oldact);
int my_syscall_rt_sigaction(x64emu_t* emu, int signum, const x64_sigaction_restorer_t *act, x64_sigaction_restorer_t *oldact, int sigsetsize);
void init_signal_helper(box64context_t* context);
void fini_signal_helper(void);
void emit_signal(x64emu_t* emu, int sig, void* addr, int code);
void emit_interruption(x64emu_t* emu, int num, void* addr);
void emit_div0(x64emu_t* emu, void* addr, int code);
void check_exec(x64emu_t* emu, uintptr_t addr);
#endif //__SIGNALS_H__
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