#ifndef JAVA_SIGNAL_H
#define JAVA_SIGNAL_H 1
#include <signal.h>
#include <sys/syscall.h>
#define HANDLE_SEGV 1
#undef HANDLE_FPE
#define SIGNAL_HANDLER(_name) \
static void _name (int , struct sigcontext *_sc)
#define MAKE_THROW_FRAME(_exception) \
do \
{ \
_sc->regs->nip += 4; \
} \
while (0)
#ifndef __powerpc64__
struct kernel_old_sigaction {
void (*k_sa_handler) (int, struct sigcontext *);
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 = 0; \
if (syscall (SYS_sigaction, SIGSEGV, &kact, NULL) != 0) \
__asm__ __volatile__ (".long 0"); \
} \
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 = 0; \
if (syscall (SYS_sigaction, SIGFPE, &kact, NULL) != 0) \
__asm__ __volatile__ (".long 0"); \
} \
while (0)
#else
struct kernel_sigaction
{
void (*k_sa_handler) (int, struct sigcontext *);
unsigned long k_sa_flags;
void (*k_sa_restorer)(void);
unsigned long k_sa_mask;
};
#define INIT_SEGV \
do \
{ \
struct kernel_sigaction kact; \
memset (&kact, 0, sizeof (kact)); \
kact.k_sa_handler = catch_segv; \
if (syscall (SYS_rt_sigaction, SIGSEGV, &kact, NULL, 8) != 0) \
__asm__ __volatile__ (".long 0"); \
} \
while (0)
#define INIT_FPE \
do \
{ \
struct kernel_sigaction kact; \
memset (&kact, 0, sizeof (kact)); \
kact.k_sa_handler = catch_fpe; \
if (syscall (SYS_rt_sigaction, SIGFPE, &kact, NULL, 8) != 0) \
__asm__ __volatile__ (".long 0"); \
} \
while (0)
#endif
#endif