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// sparc-signal.h - Catch runtime signals and turn them into exceptions.
/* Copyright (C) 1998, 1999 Cygnus Solutions
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
#ifndef JAVA_SIGNAL_H
#define JAVA_SIGNAL_H 1
#include <signal.h>
#include <ucontext.h>
#define HANDLE_SEGV 1
#define HANDLE_FPE 1
#define SIGNAL_HANDLER(_name) \
static void _name (int _dummy, siginfo_t *_info, ucontext_t *_context)
#define FLUSH_REGISTER_WINDOWS \
asm volatile ("ta 3");
#define MAKE_THROW_FRAME \
do \
{ \
(void)_dummy; \
(void)_info; \
register int sp = _context->uc_mcontext.gregs[REG_SP]; \
register int retaddr = _context->uc_mcontext.gregs[REG_O7]; \
FLUSH_REGISTER_WINDOWS; \
asm volatile ("mov %0, %%i6; mov %1, %%i7" \
: : "r"(sp), "r"(retaddr)); \
} \
while (0)
#define INIT_SEGV \
do \
{ \
nullp = new java::lang::NullPointerException (); \
struct sigaction act; \
act.sa_sigaction = catch_segv; \
act.sa_flags = SA_SIGINFO; \
sigemptyset (&act.sa_mask); \
sigaction (SIGSEGV, &act, NULL); \
} \
while (0)
#define INIT_FPE \
do \
{ \
arithexception = new java::lang::ArithmeticException (); \
struct sigaction act; \
act.sa_flags = SA_SIGINFO; \
act.sa_sigaction = catch_fpe; \
sigemptyset (&act.sa_mask); \
sigaction (SIGFPE, &act, NULL); \
} \
while (0)
#endif /* JAVA_SIGNAL_H */
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