Mercurial > hg > truffle
annotate src/cpu/zero/vm/stack_zero.cpp @ 1673:6709c14587c2 jdk7-b105
Added tag jdk7-b104 for changeset b4acf10eb134
| author | cl |
|---|---|
| date | Fri, 06 Aug 2010 12:51:54 -0700 |
| parents | c18cbe5936b8 |
| children | f95d63e2154a |
| rev | line source |
|---|---|
| 1383 | 1 /* |
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2 * Copyright (c) 2003, 2007, Oracle and/or its affiliates. All rights reserved. |
| 1383 | 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 * | |
|
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6941466: Oracle rebranding changes for Hotspot repositories
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
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6941466: Oracle rebranding changes for Hotspot repositories
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21 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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22 * questions. |
| 1383 | 23 * |
| 24 */ | |
| 25 | |
| 26 #include "incls/_precompiled.incl" | |
| 27 #include "incls/_stack_zero.cpp.incl" | |
| 28 | |
| 1511 | 29 int ZeroStack::suggest_size(Thread *thread) const { |
| 30 assert(needs_setup(), "already set up"); | |
| 31 return align_size_down(abi_stack_available(thread) / 2, wordSize); | |
| 32 } | |
| 33 | |
| 1383 | 34 void ZeroStack::handle_overflow(TRAPS) { |
| 35 JavaThread *thread = (JavaThread *) THREAD; | |
| 36 | |
| 37 // Set up the frame anchor if it isn't already | |
| 38 bool has_last_Java_frame = thread->has_last_Java_frame(); | |
| 39 if (!has_last_Java_frame) { | |
| 1505 | 40 intptr_t *sp = thread->zero_stack()->sp(); |
| 1383 | 41 ZeroFrame *frame = thread->top_zero_frame(); |
| 42 while (frame) { | |
| 43 if (frame->is_shark_frame()) | |
| 44 break; | |
| 45 | |
| 46 if (frame->is_interpreter_frame()) { | |
| 47 interpreterState istate = | |
| 48 frame->as_interpreter_frame()->interpreter_state(); | |
| 49 if (istate->self_link() == istate) | |
| 50 break; | |
| 51 } | |
| 52 | |
| 1505 | 53 sp = ((intptr_t *) frame) + 1; |
| 1383 | 54 frame = frame->next(); |
| 55 } | |
| 56 | |
| 57 if (frame == NULL) | |
| 58 fatal("unrecoverable stack overflow"); | |
| 59 | |
| 1505 | 60 thread->set_last_Java_frame(frame, sp); |
| 1383 | 61 } |
| 62 | |
| 63 // Throw the exception | |
| 64 switch (thread->thread_state()) { | |
| 65 case _thread_in_Java: | |
| 66 InterpreterRuntime::throw_StackOverflowError(thread); | |
| 67 break; | |
| 68 | |
| 69 case _thread_in_vm: | |
| 70 Exceptions::throw_stack_overflow_exception(thread, __FILE__, __LINE__); | |
| 71 break; | |
| 72 | |
| 73 default: | |
| 74 ShouldNotReachHere(); | |
| 75 } | |
| 76 | |
| 77 // Reset the frame anchor if necessary | |
| 78 if (!has_last_Java_frame) | |
| 79 thread->reset_last_Java_frame(); | |
| 80 } | |
| 1505 | 81 |
| 82 #ifndef PRODUCT | |
| 83 void ZeroStack::zap(int c) { | |
| 84 memset(_base, c, available_words() * wordSize); | |
| 85 } | |
| 86 #endif // PRODUCT |