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src/os_cpu/windows_x86/vm/thread_windows_x86.hpp@a61af66fc99e (annotated)

src/os_cpu/windows_x86/vm/thread_windows_x86.hpp

Sat, 01 Dec 2007 00:00:00 +0000

author

duke

date

Sat, 01 Dec 2007 00:00:00 +0000

changeset 435

a61af66fc99e

child 1907

c18cbe5936b8

permissions

-rw-r--r--

Initial load

duke@435	1	/*
duke@435	2	* Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	private:
duke@435	26	void pd_initialize() {
duke@435	27	_anchor.clear();
duke@435	28	}
duke@435	29
duke@435	30	frame pd_last_frame() {
duke@435	31	assert(has_last_Java_frame(), "must have last_Java_sp() when suspended");
duke@435	32	if (_anchor.last_Java_pc() != NULL) {
duke@435	33	return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp(), _anchor.last_Java_pc());
duke@435	34	} else {
duke@435	35	// This will pick up pc from sp
duke@435	36	return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp());
duke@435	37	}
duke@435	38	}
duke@435	39
duke@435	40	public:
duke@435	41	// Mutators are highly dangerous....
duke@435	42	intptr_t* last_Java_fp() { return _anchor.last_Java_fp(); }
duke@435	43	void set_last_Java_fp(intptr_t* fp) { _anchor.set_last_Java_fp(fp); }
duke@435	44
duke@435	45	void set_base_of_stack_pointer(intptr_t* base_sp) {}
duke@435	46
duke@435	47
duke@435	48	static ByteSize last_Java_fp_offset() {
duke@435	49	return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_fp_offset();
duke@435	50	}
duke@435	51
duke@435	52	intptr_t* base_of_stack_pointer() { return NULL; }
duke@435	53	void record_base_of_stack_pointer() {}
duke@435	54
duke@435	55	bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext,
duke@435	56	bool isInJava);
duke@435	57
duke@435	58	// These routines are only used on cpu architectures that
duke@435	59	// have separate register stacks (Itanium).
duke@435	60	static bool register_stack_overflow() { return false; }
duke@435	61	static void enable_register_stack_guard() {}
duke@435	62	static void disable_register_stack_guard() {}