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src/share/vm/prims/privilegedStack.cpp@94ec88ca68e2 (annotated)

src/share/vm/prims/privilegedStack.cpp

Wed, 11 Jan 2012 17:34:02 -0500

author

phh

date

Wed, 11 Jan 2012 17:34:02 -0500

changeset 3427

94ec88ca68e2

parent 2314

f95d63e2154a

child 4037

da91efe96a93

permissions

-rw-r--r--

7115199: Add event tracing hooks and Java Flight Recorder infrastructure
Summary: Added a nop tracing infrastructure, JFR makefile changes and other infrastructure used only by JFR.
Reviewed-by: acorn, sspitsyn
Contributed-by: markus.gronlund@oracle.com

duke@435	1	/*
stefank@2314	2	* Copyright (c) 1997, 2010, Oracle and/or its affiliates. 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	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#include "precompiled.hpp"
stefank@2314	26	#include "memory/allocation.inline.hpp"
stefank@2314	27	#include "oops/instanceKlass.hpp"
stefank@2314	28	#include "oops/methodOop.hpp"
stefank@2314	29	#include "oops/oop.inline.hpp"
stefank@2314	30	#include "prims/privilegedStack.hpp"
stefank@2314	31	#include "runtime/vframe.hpp"
duke@435	32
duke@435	33
duke@435	34	void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) {
duke@435	35	methodOop method = vfst->method();
duke@435	36	_klass = method->method_holder();
duke@435	37	_privileged_context = context;
duke@435	38	#ifdef CHECK_UNHANDLED_OOPS
duke@435	39	THREAD->allow_unhandled_oop(&_klass);
duke@435	40	THREAD->allow_unhandled_oop(&_privileged_context);
duke@435	41	#endif // CHECK_UNHANDLED_OOPS
duke@435	42	_frame_id = vfst->frame_id();
duke@435	43	_next = next;
duke@435	44	assert(_privileged_context == NULL || _privileged_context->is_oop(), "must be an oop");
duke@435	45	assert(protection_domain() == NULL || protection_domain()->is_oop(), "must be an oop");
duke@435	46	}
duke@435	47
duke@435	48	void PrivilegedElement::oops_do(OopClosure* f) {
duke@435	49	PrivilegedElement *cur = this;
duke@435	50	do {
duke@435	51	f->do_oop((oop*) &cur->_klass);
duke@435	52	f->do_oop((oop*) &cur->_privileged_context);
duke@435	53	cur = cur->_next;
duke@435	54	} while(cur != NULL);
duke@435	55	}
duke@435	56
duke@435	57	//-------------------------------------------------------------------------------
duke@435	58	#ifndef PRODUCT
duke@435	59
duke@435	60	void PrivilegedElement::print_on(outputStream* st) const {
duke@435	61	st->print(" 0x%lx ", _frame_id);
duke@435	62	_klass->print_value_on(st);
duke@435	63	if (protection_domain() != NULL) {
duke@435	64	st->print(" ");
duke@435	65	protection_domain()->print_value_on(st);
duke@435	66	}
duke@435	67	st->cr();
duke@435	68	}
duke@435	69
duke@435	70	bool PrivilegedElement::contains(address addr) {
duke@435	71	PrivilegedElement *e = (PrivilegedElement *)addr;
duke@435	72	if (e >= this && e < this+1) return true;
duke@435	73
duke@435	74	if (_next != NULL) {
duke@435	75	return _next->contains(addr);
duke@435	76	} else {
duke@435	77	return false;
duke@435	78	}
duke@435	79	}
duke@435	80
duke@435	81	#endif