diff options
Diffstat (limited to 'libjava/include')
| -rw-r--r-- | libjava/include/default-signal.h | 3 | ||||
| -rw-r--r-- | libjava/include/i386-signal.h | 32 | ||||
| -rw-r--r-- | libjava/include/sparc-signal.h | 63 |
3 files changed, 95 insertions, 3 deletions
diff --git a/libjava/include/default-signal.h b/libjava/include/default-signal.h index 63ba129..71545c0 100644 --- a/libjava/include/default-signal.h +++ b/libjava/include/default-signal.h @@ -14,5 +14,8 @@ details. */ #undef HANDLE_SEGV #undef HANDLE_FPE +#define INIT_SEGV do {} while (0) +#define INIT_FPE do {} while (0) + #endif /* JAVA_SIGNAL_H */ diff --git a/libjava/include/i386-signal.h b/libjava/include/i386-signal.h index de893af..73d8bbb 100644 --- a/libjava/include/i386-signal.h +++ b/libjava/include/i386-signal.h @@ -9,8 +9,8 @@ Libgcj License. Please consult the file "LIBGCJ_LICENSE" for details. */ /* This technique should work for all i386 based Unices which conform - to iBCS2. This includes all versions of Linux more recent than - version 1.3 */ + * to iBCS2. This includes all versions of Linux more recent than 1.3 + */ #ifndef JAVA_SIGNAL_H @@ -21,8 +21,10 @@ details. */ #define HANDLE_SEGV 1 #define HANDLE_FPE 1 +#define SIGNAL_HANDLER(_name) \ +static void _name (int _dummy) -#define MAKE_THROW_FRAME(_dummy) \ +#define MAKE_THROW_FRAME \ { \ void **_p = (void **)&_dummy; \ struct sigcontext_struct *_regs = (struct sigcontext_struct *)++_p; \ @@ -34,5 +36,29 @@ details. */ : : "r"(_ebp), "r"(_eip)); \ } +#define INIT_SEGV \ +do \ + { \ + nullp = new java::lang::NullPointerException (); \ + struct sigaction act; \ + act.sa_handler = catch_segv; \ + sigemptyset (&act.sa_mask); \ + act.sa_flags = 0; \ + sigaction (SIGSEGV, &act, NULL); \ + } \ +while (0) + +#define INIT_FPE \ +do \ + { \ + arithexception = new java::lang::ArithmeticException (); \ + struct sigaction act; \ + act.sa_handler = catch_fpe; \ + sigemptyset (&act.sa_mask); \ + act.sa_flags = 0; \ + sigaction (SIGFPE, &act, NULL); \ + } \ +while (0) + #endif /* JAVA_SIGNAL_H */ 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 */ |