Mercurial > hg > truffle
view src/os/solaris/vm/vmError_solaris.cpp @ 988:7e309ecb83ce
6879362: assert(!klass_is_exact(),"only non-exact klass")
Summary: Do nothing for AddP node which has type not related to the type of allocated object.
Reviewed-by: never
author | kvn |
---|---|
date | Tue, 15 Sep 2009 19:03:39 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ # include "incls/_precompiled.incl" # include "incls/_vmError_solaris.cpp.incl" #include <sys/types.h> #include <sys/wait.h> #include <signal.h> void VMError::show_message_box(char *buf, int buflen) { bool yes; do { error_string(buf, buflen); int len = (int)strlen(buf); char *p = &buf[len]; jio_snprintf(p, buflen - len, "\n\n" "Do you want to debug the problem?\n\n" "To debug, run 'dbx - %d'; then switch to thread " INTX_FORMAT "\n" "Enter 'yes' to launch dbx automatically (PATH must include dbx)\n" "Otherwise, press RETURN to abort...", os::current_process_id(), os::current_thread_id()); yes = os::message_box("Unexpected Error", buf); if (yes) { // yes, user asked VM to launch debugger jio_snprintf(buf, buflen, "dbx - %d", os::current_process_id()); os::fork_and_exec(buf); yes = false; } } while (yes); } // Space for our "saved" signal flags and handlers static int resettedSigflags[2]; static address resettedSighandler[2]; static void save_signal(int idx, int sig) { struct sigaction sa; sigaction(sig, NULL, &sa); resettedSigflags[idx] = sa.sa_flags; resettedSighandler[idx] = (sa.sa_flags & SA_SIGINFO) ? CAST_FROM_FN_PTR(address, sa.sa_sigaction) : CAST_FROM_FN_PTR(address, sa.sa_handler); } int VMError::get_resetted_sigflags(int sig) { if(SIGSEGV == sig) { return resettedSigflags[0]; } else if(SIGBUS == sig) { return resettedSigflags[1]; } return -1; } address VMError::get_resetted_sighandler(int sig) { if(SIGSEGV == sig) { return resettedSighandler[0]; } else if(SIGBUS == sig) { return resettedSighandler[1]; } return NULL; } static void crash_handler(int sig, siginfo_t* info, void* ucVoid) { // unmask current signal sigset_t newset; sigemptyset(&newset); sigaddset(&newset, sig); sigprocmask(SIG_UNBLOCK, &newset, NULL); VMError err(NULL, sig, NULL, info, ucVoid); err.report_and_die(); } void VMError::reset_signal_handlers() { // Save sigflags for resetted signals save_signal(0, SIGSEGV); save_signal(1, SIGBUS); os::signal(SIGSEGV, CAST_FROM_FN_PTR(void *, crash_handler)); os::signal(SIGBUS, CAST_FROM_FN_PTR(void *, crash_handler)); }