#ifndef JAVA_SIGNAL_H
#define JAVA_SIGNAL_H 1
#include <signal.h>
#include <sys/syscall.h>
#define HANDLE_SEGV 1
#define HANDLE_FPE 1
typedef struct _sig_ucontext {
unsigned long uc_flags;
struct _sig_ucontext *uc_link;
stack_t uc_stack;
struct sigcontext uc_mcontext;
sigset_t uc_sigmask;
} sig_ucontext_t;
#define SIGNAL_HANDLER(_name) \
static void _name (int , siginfo_t *, sig_ucontext_t *_uc)
#ifdef __SH5__
#define MAKE_THROW_FRAME(_exception) \
do \
{ \
volatile struct sigcontext *_sc = &_uc->uc_mcontext; \
_sc->sc_pc += 4; \
} \
while (0)
#else
#define MAKE_THROW_FRAME(_exception) \
do \
{ \
volatile struct sigcontext *_sc = &_uc->uc_mcontext; \
_sc->sc_pc += 2; \
} \
while (0)
#endif
struct kernel_old_sigaction {
void (*k_sa_handler) (int, siginfo_t *, sig_ucontext_t *);
unsigned long k_sa_mask;
unsigned long k_sa_flags;
void (*k_sa_restorer) (void);
};
#define INIT_SEGV \
do \
{ \
struct kernel_old_sigaction kact; \
kact.k_sa_handler = catch_segv; \
kact.k_sa_mask = 0; \
kact.k_sa_flags = SA_SIGINFO | SA_NODEFER; \
syscall (SYS_sigaction, SIGSEGV, &kact, NULL); \
} \
while (0)
#define INIT_FPE \
do \
{ \
struct kernel_old_sigaction kact; \
kact.k_sa_handler = catch_fpe; \
kact.k_sa_mask = 0; \
kact.k_sa_flags = SA_SIGINFO | SA_NODEFER; \
syscall (SYS_sigaction, SIGFPE, &kact, NULL); \
} \
while (0)
#endif