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src/share/vm/prims/privilegedStack.cpp@f008d3631bd1 (annotated)

src/share/vm/prims/privilegedStack.cpp

Wed, 08 Oct 2008 08:10:51 -0700

author

ksrini

date

Wed, 08 Oct 2008 08:10:51 -0700

changeset 823

f008d3631bd1

parent 435

a61af66fc99e

child 1907

c18cbe5936b8

permissions

-rw-r--r--

6755845: JVM_FindClassFromBoot triggers assertions
Summary: Fixes assertions caused by one jvm_entry calling another, solved by refactoring code and modified gamma test.
Reviewed-by: dholmes, xlu

duke@435	1	/*
duke@435	2	* Copyright 1997-2005 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	# include "incls/_precompiled.incl"
duke@435	26	# include "incls/_privilegedStack.cpp.incl"
duke@435	27
duke@435	28
duke@435	29	void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) {
duke@435	30	methodOop method = vfst->method();
duke@435	31	_klass = method->method_holder();
duke@435	32	_privileged_context = context;
duke@435	33	#ifdef CHECK_UNHANDLED_OOPS
duke@435	34	THREAD->allow_unhandled_oop(&_klass);
duke@435	35	THREAD->allow_unhandled_oop(&_privileged_context);
duke@435	36	#endif // CHECK_UNHANDLED_OOPS
duke@435	37	_frame_id = vfst->frame_id();
duke@435	38	_next = next;
duke@435	39	assert(_privileged_context == NULL || _privileged_context->is_oop(), "must be an oop");
duke@435	40	assert(protection_domain() == NULL || protection_domain()->is_oop(), "must be an oop");
duke@435	41	}
duke@435	42
duke@435	43	void PrivilegedElement::oops_do(OopClosure* f) {
duke@435	44	PrivilegedElement *cur = this;
duke@435	45	do {
duke@435	46	f->do_oop((oop*) &cur->_klass);
duke@435	47	f->do_oop((oop*) &cur->_privileged_context);
duke@435	48	cur = cur->_next;
duke@435	49	} while(cur != NULL);
duke@435	50	}
duke@435	51
duke@435	52	//-------------------------------------------------------------------------------
duke@435	53	#ifndef PRODUCT
duke@435	54
duke@435	55	void PrivilegedElement::print_on(outputStream* st) const {
duke@435	56	st->print(" 0x%lx ", _frame_id);
duke@435	57	_klass->print_value_on(st);
duke@435	58	if (protection_domain() != NULL) {
duke@435	59	st->print(" ");
duke@435	60	protection_domain()->print_value_on(st);
duke@435	61	}
duke@435	62	st->cr();
duke@435	63	}
duke@435	64
duke@435	65	bool PrivilegedElement::contains(address addr) {
duke@435	66	PrivilegedElement *e = (PrivilegedElement *)addr;
duke@435	67	if (e >= this && e < this+1) return true;
duke@435	68
duke@435	69	if (_next != NULL) {
duke@435	70	return _next->contains(addr);
duke@435	71	} else {
duke@435	72	return false;
duke@435	73	}
duke@435	74	}
duke@435	75
duke@435	76	#endif