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sparc-signal.h: new file.

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1999-04-20  Andrew Haley  <aph@cygnus.com>
        * include/sparc-signal.h: new file.
        * configure.in: include/sparc-signal.h added.
        * configure: regenerated.
        * prims.cc (JvRunMain): signal handling code rewritten to be more
        portable.
        (catch_segv): ditto.
        (catch_fpe): ditto.
        * include/i386-signal.h: reorganized.
        * include/default-signal.h: reorganized.

From-SVN: r26560
This commit is contained in:
Andrew Haley 1999-04-20 06:27:11 +00:00 • committed by Andrew Haley
parent 3d6b966178
commit 01f78a025e
7 changed files with 278 additions and 211 deletions
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63
libjava/include/sparc-signal.h Normal file
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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 */