• file
• revisions
• annotate
• diff
• comparison
• raw

src/share/vm/prims/privilegedStack.cpp@710a3c8b516e (annotated)

src/share/vm/prims/privilegedStack.cpp

Tue, 08 Aug 2017 15:57:29 +0800

author

aoqi

date

Tue, 08 Aug 2017 15:57:29 +0800

changeset 6876

710a3c8b516e

parent 6680

78bbf4d43a14

parent 0

f90c822e73f8

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1997, 2014, 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	#include "precompiled.hpp"
aoqi@0	26	#include "memory/allocation.inline.hpp"
aoqi@0	27	#include "oops/instanceKlass.hpp"
aoqi@0	28	#include "oops/method.hpp"
aoqi@0	29	#include "oops/oop.inline.hpp"
aoqi@0	30	#include "prims/privilegedStack.hpp"
aoqi@0	31	#include "runtime/vframe.hpp"
aoqi@0	32
aoqi@0	33	PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
aoqi@0	34
aoqi@0	35	void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) {
aoqi@0	36	Method* method = vfst->method();
aoqi@0	37	_klass = method->method_holder();
aoqi@0	38	_privileged_context = context;
aoqi@0	39	#ifdef CHECK_UNHANDLED_OOPS
aoqi@0	40	THREAD->allow_unhandled_oop(&_privileged_context);
aoqi@0	41	#endif // CHECK_UNHANDLED_OOPS
aoqi@0	42	_frame_id = vfst->frame_id();
aoqi@0	43	_next = next;
aoqi@0	44	assert(_privileged_context == NULL || _privileged_context->is_oop(), "must be an oop");
aoqi@0	45	assert(protection_domain() == NULL || protection_domain()->is_oop(), "must be an oop");
aoqi@0	46	}
aoqi@0	47
aoqi@0	48	void PrivilegedElement::oops_do(OopClosure* f) {
aoqi@0	49	PrivilegedElement *cur = this;
aoqi@0	50	do {
aoqi@0	51	f->do_oop((oop*) &cur->_privileged_context);
aoqi@0	52	cur = cur->_next;
aoqi@0	53	} while(cur != NULL);
aoqi@0	54	}
aoqi@0	55
aoqi@0	56	void PrivilegedElement::classes_do(KlassClosure* f) {
aoqi@0	57	PrivilegedElement *cur = this;
aoqi@0	58	do {
aoqi@0	59	f->do_klass(cur->_klass);
aoqi@0	60	cur = cur->_next;
aoqi@0	61	} while(cur != NULL);
aoqi@0	62	}
aoqi@0	63
aoqi@0	64	//-------------------------------------------------------------------------------
aoqi@0	65	#ifndef PRODUCT
aoqi@0	66
aoqi@0	67	void PrivilegedElement::print_on(outputStream* st) const {
aoqi@0	68	st->print(" 0x%lx ", _frame_id);
aoqi@0	69	_klass->print_value_on(st);
aoqi@0	70	if (protection_domain() != NULL) {
aoqi@0	71	st->print(" ");
aoqi@0	72	protection_domain()->print_value_on(st);
aoqi@0	73	}
aoqi@0	74	st->cr();
aoqi@0	75	}
aoqi@0	76
aoqi@0	77	bool PrivilegedElement::contains(address addr) {
aoqi@0	78	PrivilegedElement *e = (PrivilegedElement *)addr;
aoqi@0	79	if (e >= this && e < this+1) return true;
aoqi@0	80
aoqi@0	81	if (_next != NULL) {
aoqi@0	82	return _next->contains(addr);
aoqi@0	83	} else {
aoqi@0	84	return false;
aoqi@0	85	}
aoqi@0	86	}
aoqi@0	87
aoqi@0	88	#endif