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| author | Andrew Haley <aph@cygnus.com> | 1999-04-20 06:27:11 +0000 |
|---|---|---|
| committer | Andrew Haley <aph@gcc.gnu.org> | 1999-04-20 06:27:11 +0000 |
| commit | 01f78a025e7e000b836ab9ff76ffc3b9958ba43e (patch) | |
| tree | add4675eb0e1e75e84638aec16fc821fcc469627 /libjava/include/sparc-signal.h | |
| parent | 3d6b96617891cf51b41ebcd5b569d3d668932e24 (diff) | |
| download | gcc-01f78a025e7e000b836ab9ff76ffc3b9958ba43e.zip gcc-01f78a025e7e000b836ab9ff76ffc3b9958ba43e.tar.gz gcc-01f78a025e7e000b836ab9ff76ffc3b9958ba43e.tar.bz2 | |
sparc-signal.h: new file.
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
Diffstat (limited to 'libjava/include/sparc-signal.h')
| -rw-r--r-- | libjava/include/sparc-signal.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/libjava/include/sparc-signal.h b/libjava/include/sparc-signal.h new file mode 100644 index 0000000..dfe8635 --- /dev/null +++ b/libjava/include/sparc-signal.h @@ -0,0 +1,63 @@ +// 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 */ |