1 /* 2 * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. 3 * Copyright 2010 Red Hat, Inc. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 21 * CA 95054 USA or visit www.sun.com if you need additional information or 22 * have any questions. 23 * 24 */ 25 26 #include "incls/_precompiled.incl" 27 #include "incls/_stack_zero.cpp.incl" 28 29 void ZeroStack::handle_overflow(TRAPS) { 30 JavaThread *thread = (JavaThread *) THREAD; 31 32 // Set up the frame anchor if it isn't already 33 bool has_last_Java_frame = thread->has_last_Java_frame(); 34 if (!has_last_Java_frame) { 35 ZeroFrame *frame = thread->top_zero_frame(); 36 while (frame) { 37 if (frame->is_shark_frame()) 38 break; 39 40 if (frame->is_interpreter_frame()) { 41 interpreterState istate = 42 frame->as_interpreter_frame()->interpreter_state(); 43 if (istate->self_link() == istate) 44 break; 45 } 46 47 frame = frame->next(); 48 } 49 50 if (frame == NULL) 51 fatal("unrecoverable stack overflow"); 52 53 thread->set_last_Java_frame(frame); 54 } 55 56 // Throw the exception 57 switch (thread->thread_state()) { 58 case _thread_in_Java: 59 InterpreterRuntime::throw_StackOverflowError(thread); 60 break; 61 62 case _thread_in_vm: 63 Exceptions::throw_stack_overflow_exception(thread, __FILE__, __LINE__); 64 break; 65 66 default: 67 ShouldNotReachHere(); 68 } 69 70 // Reset the frame anchor if necessary 71 if (!has_last_Java_frame) 72 thread->reset_last_Java_frame(); 73 }