thread_windows_x86.hpp revision 1879:f95d63e2154a
1221828Sgrehan/* 2253440Sgrehan * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. 3221828Sgrehan * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4221828Sgrehan * 5221828Sgrehan * This code is free software; you can redistribute it and/or modify it 6221828Sgrehan * under the terms of the GNU General Public License version 2 only, as 7221828Sgrehan * published by the Free Software Foundation. 8221828Sgrehan * 9221828Sgrehan * This code is distributed in the hope that it will be useful, but WITHOUT 10221828Sgrehan * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11221828Sgrehan * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12221828Sgrehan * version 2 for more details (a copy is included in the LICENSE file that 13221828Sgrehan * accompanied this code). 14253440Sgrehan * 15221828Sgrehan * You should have received a copy of the GNU General Public License version 16221828Sgrehan * 2 along with this work; if not, write to the Free Software Foundation, 17253440Sgrehan * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18221828Sgrehan * 19221828Sgrehan * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20221828Sgrehan * or visit www.oracle.com if you need additional information or have any 21221828Sgrehan * questions. 22221828Sgrehan * 23221828Sgrehan */ 24221828Sgrehan 25221828Sgrehan#ifndef OS_CPU_WINDOWS_X86_VM_THREAD_WINDOWS_X86_HPP 26221828Sgrehan#define OS_CPU_WINDOWS_X86_VM_THREAD_WINDOWS_X86_HPP 27221828Sgrehan 28221828Sgrehan private: 29221828Sgrehan void pd_initialize() { 30221828Sgrehan _anchor.clear(); 31221828Sgrehan } 32253440Sgrehan 33253440Sgrehan frame pd_last_frame() { 34253440Sgrehan assert(has_last_Java_frame(), "must have last_Java_sp() when suspended"); 35253440Sgrehan if (_anchor.last_Java_pc() != NULL) { 36267401Sjhb return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp(), _anchor.last_Java_pc()); 37253440Sgrehan } else { 38253440Sgrehan // This will pick up pc from sp 39253440Sgrehan return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp()); 40253440Sgrehan } 41253440Sgrehan } 42253440Sgrehan 43253440Sgrehan public: 44253440Sgrehan // Mutators are highly dangerous.... 45253440Sgrehan intptr_t* last_Java_fp() { return _anchor.last_Java_fp(); } 46253440Sgrehan void set_last_Java_fp(intptr_t* fp) { _anchor.set_last_Java_fp(fp); } 47253440Sgrehan 48253440Sgrehan void set_base_of_stack_pointer(intptr_t* base_sp) {} 49253440Sgrehan 50253440Sgrehan 51253440Sgrehan static ByteSize last_Java_fp_offset() { 52253440Sgrehan return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_fp_offset(); 53253440Sgrehan } 54253440Sgrehan 55253440Sgrehan intptr_t* base_of_stack_pointer() { return NULL; } 56253440Sgrehan void record_base_of_stack_pointer() {} 57253440Sgrehan 58253440Sgrehan bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext, 59253440Sgrehan bool isInJava); 60253440Sgrehan 61253440Sgrehan // These routines are only used on cpu architectures that 62253440Sgrehan // have separate register stacks (Itanium). 63253440Sgrehan static bool register_stack_overflow() { return false; } 64253440Sgrehan static void enable_register_stack_guard() {} 65253440Sgrehan static void disable_register_stack_guard() {} 66253440Sgrehan 67253440Sgrehan#endif // OS_CPU_WINDOWS_X86_VM_THREAD_WINDOWS_X86_HPP 68253440Sgrehan