Mercurial > hg > truffle
annotate src/os_cpu/linux_x86/vm/thread_linux_x86.hpp @ 3193:52087773be5b
IdealGraphVisualizer: Make scheduling more robust by ignoring graphs without any nodes and by using the node with the lowest id as root when there is no node labeled "Root" and no node without predecessors
| author | Peter Hofer <peter.hofer@jku.at> |
|---|---|
| date | Fri, 08 Jul 2011 14:26:12 +0200 |
| parents | f95d63e2154a |
| children | f2110083203d |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef OS_CPU_LINUX_X86_VM_THREAD_LINUX_X86_HPP |
| 26 #define OS_CPU_LINUX_X86_VM_THREAD_LINUX_X86_HPP | |
| 27 | |
| 0 | 28 private: |
| 29 void pd_initialize() { | |
| 30 _anchor.clear(); | |
| 31 } | |
| 32 | |
| 33 frame pd_last_frame() { | |
| 34 assert(has_last_Java_frame(), "must have last_Java_sp() when suspended"); | |
| 35 if (_anchor.last_Java_pc() != NULL) { | |
| 36 return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp(), _anchor.last_Java_pc()); | |
| 37 } else { | |
| 38 // This will pick up pc from sp | |
| 39 return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp()); | |
| 40 } | |
| 41 } | |
| 42 | |
| 43 public: | |
| 44 // Mutators are highly dangerous.... | |
| 45 intptr_t* last_Java_fp() { return _anchor.last_Java_fp(); } | |
| 46 void set_last_Java_fp(intptr_t* fp) { _anchor.set_last_Java_fp(fp); } | |
| 47 | |
| 48 void set_base_of_stack_pointer(intptr_t* base_sp) { | |
| 49 } | |
| 50 | |
| 51 static ByteSize last_Java_fp_offset() { | |
| 52 return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_fp_offset(); | |
| 53 } | |
| 54 | |
| 55 intptr_t* base_of_stack_pointer() { | |
| 56 return NULL; | |
| 57 } | |
| 58 void record_base_of_stack_pointer() { | |
| 59 } | |
| 60 | |
| 61 bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext, | |
| 62 bool isInJava); | |
| 63 | |
| 64 // These routines are only used on cpu architectures that | |
| 65 // have separate register stacks (Itanium). | |
| 66 static bool register_stack_overflow() { return false; } | |
| 67 static void enable_register_stack_guard() {} | |
| 68 static void disable_register_stack_guard() {} | |
| 1972 | 69 |
| 70 #endif // OS_CPU_LINUX_X86_VM_THREAD_LINUX_X86_HPP |