* Removed machine independent stuff

* Renamed handlers

diff --git a/src/vm/jit/x86_64/md.c b/src/vm/jit/x86_64/md.c
index a313cfa4c27cfacd005fa9c2d75ab42dd308ae6c..f29e0844d36cdddf3cc334fe12f5f579784ecf45 100644 (file)
--- a/src/vm/jit/x86_64/md.c
+++ b/src/vm/jit/x86_64/md.c
@@ -28,7 +28,7 @@
 
    Changes:
 
-   $Id: md.c 2742 2005-06-20 09:58:48Z twisti $
+   $Id: md.c 2797 2005-06-23 09:51:32Z twisti $
 
 */
 
@@ -46,135 +46,46 @@
 #include "vm/jit/asmpart.h"
 
 
-/* catch_NullPointerException **************************************************
+/* signal_handler_sigsegv ******************************************************
 
    NullPointerException signal handler for hardware null pointer check.
 
 *******************************************************************************/
 
-void catch_NullPointerException(int sig, siginfo_t *siginfo, void *_p)
+void signal_handler_sigsegv(int sig, siginfo_t *siginfo, void *_p)
 {
-       ucontext_t       *_uc;
-       mcontext_t       *_mc;
-       struct sigaction  act;
-       sigset_t          nsig;
+       ucontext_t *_uc;
+       mcontext_t *_mc;
 
        _uc = (ucontext_t *) _p;
        _mc = &_uc->uc_mcontext;
 
-       /* Reset signal handler - necessary for SysV, does no harm for BSD */
-       
-       act.sa_sigaction = catch_NullPointerException;       /* reinstall handler */
-       act.sa_flags = SA_SIGINFO;
-       sigaction(sig, &act, NULL);
-       
-       sigemptyset(&nsig);
-       sigaddset(&nsig, sig);
-       sigprocmask(SIG_UNBLOCK, &nsig, NULL);               /* unblock signal    */
-
        _mc->gregs[REG_RAX] = (ptrint) string_java_lang_NullPointerException;
        _mc->gregs[REG_R10] = _mc->gregs[REG_RIP];           /* REG_ITMP2_XPC     */
        _mc->gregs[REG_RIP] = (ptrint) asm_throw_and_handle_exception;
 }
 
 
-/* catch_ArithmeticException ***************************************************
+/* signal_handler_sigfpe *******************************************************
 
    ArithmeticException signal handler for hardware divide by zero check.
 
 *******************************************************************************/
 
-void catch_ArithmeticException(int sig, siginfo_t *siginfo, void *_p)
+void signal_handler_sigfpe(int sig, siginfo_t *siginfo, void *_p)
 {
-       ucontext_t       *_uc;
-       mcontext_t       *_mc;
-       struct sigaction  act;
-       sigset_t          nsig;
+       ucontext_t *_uc;
+       mcontext_t *_mc;
 
        _uc = (ucontext_t *) _p;
        _mc = &_uc->uc_mcontext;
 
-       /* Reset signal handler - necessary for SysV, does no harm for BSD */
-
-       act.sa_sigaction = catch_ArithmeticException;        /* reinstall handler */
-       act.sa_flags = SA_SIGINFO;
-       sigaction(sig, &act, NULL);
-
-       sigemptyset(&nsig);
-       sigaddset(&nsig, sig);
-       sigprocmask(SIG_UNBLOCK, &nsig, NULL);               /* unblock signal    */
-
        _mc->gregs[REG_R10] = _mc->gregs[REG_RIP];           /* REG_ITMP2_XPC     */
        _mc->gregs[REG_RIP] =
                (ptrint) asm_throw_and_handle_hardware_arithmetic_exception;
 }
 
 
-/* handler_signal_quit *********************************************************
-
-   XXX
-
-*******************************************************************************/
-
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-void handler_signal_quit(int sig, siginfo_t *siginfo, void *_p)
-{
-       struct sigaction  act;
-       sigset_t          nsig;
-
-       /* Reset signal handler - necessary for SysV, does no harm for BSD */
-
-       act.sa_sigaction = handler_signal_quit;              /* reinstall handler */
-       act.sa_flags = SA_SIGINFO;
-       sigaction(sig, &act, NULL);
-
-       sigemptyset(&nsig);
-       sigaddset(&nsig, sig);
-       sigprocmask(SIG_UNBLOCK, &nsig, NULL);               /* unblock signal    */
-
-       /* do thread dump */
-
-       thread_dump();
-}
-#endif
-
-
-void init_exceptions(void)
-{
-       struct sigaction act;
-
-       /* install signal handlers we need to convert to exceptions */
-
-       sigemptyset(&act.sa_mask);
-
-       if (!checknull) {
-#if defined(SIGSEGV)
-               act.sa_sigaction = catch_NullPointerException;
-               act.sa_flags = SA_SIGINFO;
-               sigaction(SIGSEGV, &act, NULL);
-#endif
-
-#if defined(SIGBUS)
-               act.sa_sigaction = catch_NullPointerException;
-               act.sa_flags = SA_SIGINFO;
-               sigaction(SIGBUS, &act, NULL);
-#endif
-       }
-
-       act.sa_sigaction = catch_ArithmeticException;
-       act.sa_flags = SA_SIGINFO;
-       sigaction(SIGFPE, &act, NULL);
-
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-       /* catch SIGQUIT for thread dump */
-
-       act.sa_sigaction = handler_signal_quit;
-       act.sa_flags = SA_SIGINFO;
-       sigaction(SIGQUIT, &act, NULL);
-#endif
-}
-
-
 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
 void thread_restartcriticalsection(ucontext_t *uc)
 {