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src/os_cpu/windows_x86/vm/thread_windows_x86.hpp@f90c822e73f8 (annotated)

src/os_cpu/windows_x86/vm/thread_windows_x86.hpp

Wed, 27 Apr 2016 01:25:04 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:25:04 +0800

changeset 0

f90c822e73f8

child 6876

710a3c8b516e

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@0	25	#ifndef OS_CPU_WINDOWS_X86_VM_THREAD_WINDOWS_X86_HPP
aoqi@0	26	#define OS_CPU_WINDOWS_X86_VM_THREAD_WINDOWS_X86_HPP
aoqi@0	27
aoqi@0	28	private:
aoqi@0	29	void pd_initialize() {
aoqi@0	30	_anchor.clear();
aoqi@0	31	}
aoqi@0	32
aoqi@0	33	frame pd_last_frame() {
aoqi@0	34	assert(has_last_Java_frame(), "must have last_Java_sp() when suspended");
aoqi@0	35	if (_anchor.last_Java_pc() != NULL) {
aoqi@0	36	return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp(), _anchor.last_Java_pc());
aoqi@0	37	} else {
aoqi@0	38	// This will pick up pc from sp
aoqi@0	39	return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp());
aoqi@0	40	}
aoqi@0	41	}
aoqi@0	42
aoqi@0	43	public:
aoqi@0	44	// Mutators are highly dangerous....
aoqi@0	45	intptr_t* last_Java_fp() { return _anchor.last_Java_fp(); }
aoqi@0	46	void set_last_Java_fp(intptr_t* fp) { _anchor.set_last_Java_fp(fp); }
aoqi@0	47
aoqi@0	48	void set_base_of_stack_pointer(intptr_t* base_sp) {}
aoqi@0	49
aoqi@0	50
aoqi@0	51	static ByteSize last_Java_fp_offset() {
aoqi@0	52	return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_fp_offset();
aoqi@0	53	}
aoqi@0	54
aoqi@0	55	intptr_t* base_of_stack_pointer() { return NULL; }
aoqi@0	56	void record_base_of_stack_pointer() {}
aoqi@0	57
aoqi@0	58	bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext,
aoqi@0	59	bool isInJava);
aoqi@0	60
aoqi@0	61	bool pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, bool isInJava);
aoqi@0	62
aoqi@0	63	private:
aoqi@0	64	bool pd_get_top_frame(frame* fr_addr, void* ucontext, bool isInJava);
aoqi@0	65
aoqi@0	66	public:
aoqi@0	67	// These routines are only used on cpu architectures that
aoqi@0	68	// have separate register stacks (Itanium).
aoqi@0	69	static bool register_stack_overflow() { return false; }
aoqi@0	70	static void enable_register_stack_guard() {}
aoqi@0	71	static void disable_register_stack_guard() {}
aoqi@0	72
aoqi@0	73	#endif // OS_CPU_WINDOWS_X86_VM_THREAD_WINDOWS_X86_HPP