diff options
Diffstat (limited to 'libjava/include/hppa-signal.h')
| -rw-r--r-- | libjava/include/hppa-signal.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/libjava/include/hppa-signal.h b/libjava/include/hppa-signal.h new file mode 100644 index 0000000..ac4cac5 --- /dev/null +++ b/libjava/include/hppa-signal.h @@ -0,0 +1,68 @@ +/* hppa-signal.h - Catch runtime signals and turn them into exceptions, + on a HP-UX 11 PA system. */ + +/* Copyright (C) 2006 Free Software Foundation + + 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. */ + +/* This file is really more of a specification. The rest of the system + should be arranged so that this Just Works. */ + +#ifndef JAVA_SIGNAL_H +# define JAVA_SIGNAL_H 1 + +#include <sys/types.h> +#include <signal.h> +#include <sys/syscall.h> +#include <unistd.h> + +# define HANDLE_SEGV 1 +# undef HANDLE_FPE + +#define SIGNAL_HANDLER(_name) \ + static void _name (int _dummy __attribute__ ((unused)), \ + siginfo_t *_info __attribute__ ((__unused__)), \ + void *arg __attribute__ ((__unused__))) + +#define MAKE_THROW_FRAME(_exception) \ +do \ +{ \ + ucontext_t *_context = (ucontext_t *) arg; \ + (void)_dummy; \ + (void)_info; \ + mcontext_t *mc = &(_context->uc_mcontext); \ + SetSSReg (mc, ss_pcoq_head, GetSSReg (mc, ss_pcoq_tail)); \ + SetSSReg (mc, ss_pcsq_head, GetSSReg (mc, ss_pcsq_tail)); \ + /* This part is not quit right if the head pc was pointing \ + at a branch. The tail needs to be adjusted to the branch \ + target if the branch is taken. The tail space register \ + may need adjustment as well if the branch is an interspace \ + branch. */ \ + SetSSReg (mc, ss_pcoq_tail, (GetSSReg (mc, ss_pcoq_tail) + 4)); \ + \ + } \ +while (0) + +# define INIT_SEGV \ + do { \ + struct sigaction sa; \ + sa.sa_sigaction = catch_segv; \ + sigemptyset (&sa.sa_mask); \ + sa.sa_flags = SA_SIGINFO | SA_NODEFER; \ + sigaction (SIGSEGV, &sa, NULL); \ + } while (0) + +# define INIT_FPE \ + do { \ + struct sigaction sa; \ + sa.sa_sigaction = catch_fpe; \ + sigemptyset (&sa.sa_mask); \ + sa.sa_flags = SA_SIGINFO | SA_NODEFER; \ + sigaction (SIGFPE, &sa, NULL); \ + } while (0) + +#endif /* JAVA_SIGNAL_H */ |