10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "memory/allocation.inline.hpp"
27 #include "oops/instanceKlass.hpp"
28 #include "oops/method.hpp"
29 #include "oops/oop.inline.hpp"
30 #include "prims/privilegedStack.hpp"
31 #include "runtime/vframe.hpp"
32
33 void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) {
34 Method* method = vfst->method();
35 _klass = method->method_holder();
36 _privileged_context = context;
37 #ifdef CHECK_UNHANDLED_OOPS
38 THREAD->allow_unhandled_oop(&_privileged_context);
39 #endif // CHECK_UNHANDLED_OOPS
40 _frame_id = vfst->frame_id();
41 _next = next;
42 assert(oopDesc::is_oop_or_null(_privileged_context), "must be an oop");
43 assert(oopDesc::is_oop_or_null(protection_domain()), "must be an oop");
44 }
45
46 void PrivilegedElement::oops_do(OopClosure* f) {
47 PrivilegedElement *cur = this;
48 do {
49 f->do_oop((oop*) &cur->_privileged_context);
50 cur = cur->_next;
51 } while(cur != NULL);
52 }
53
54 //-------------------------------------------------------------------------------
55 #ifndef PRODUCT
56
57 void PrivilegedElement::print_on(outputStream* st) const {
58 st->print(" " PTR_FORMAT " ", p2i(_frame_id));
59 _klass->print_value_on(st);
60 if (protection_domain() != NULL) {
61 st->print(" ");
62 protection_domain()->print_value_on(st);
63 }
64 st->cr();
65 }
66
67 bool PrivilegedElement::contains(address addr) {
68 PrivilegedElement *e = (PrivilegedElement *)addr;
69 if (e >= this && e < this+1) return true;
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "memory/allocation.inline.hpp"
27 #include "oops/instanceKlass.hpp"
28 #include "oops/method.hpp"
29 #include "oops/oop.inline.hpp"
30 #include "oops/valueKlass.hpp"
31 #include "prims/privilegedStack.hpp"
32 #include "runtime/vframe.hpp"
33
34 void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) {
35 Method* method = vfst->method();
36 _klass = method->method_holder();
37 _privileged_context = context;
38 #ifdef CHECK_UNHANDLED_OOPS
39 THREAD->allow_unhandled_oop(&_privileged_context);
40 #endif // CHECK_UNHANDLED_OOPS
41 _frame_id = vfst->frame_id();
42 _next = next;
43 assert(oopDesc::is_oop_or_null(_privileged_context), "must be an oop");
44 assert(oopDesc::is_oop_or_null(protection_domain()), "must be an oop");
45 }
46
47 void PrivilegedElement::oops_do(OopClosure* f) {
48 PrivilegedElement *cur = this;
49 BufferedValuesDealiaser* dealiaser = NULL;
50 do {
51 if (!VTBuffer::is_in_vt_buffer(cur->_privileged_context)) {
52 f->do_oop((oop*) &cur->_privileged_context);
53 } else {
54 if (dealiaser == NULL) {
55 dealiaser = Thread::current()->buffered_values_dealiaser();
56 }
57 oop value = *(oop*) &cur->_privileged_context;
58 assert(value->is_value(), "Sanity check");
59 dealiaser->oops_do(f, value);
60 }
61 cur = cur->_next;
62 } while(cur != NULL);
63 }
64
65 //-------------------------------------------------------------------------------
66 #ifndef PRODUCT
67
68 void PrivilegedElement::print_on(outputStream* st) const {
69 st->print(" " PTR_FORMAT " ", p2i(_frame_id));
70 _klass->print_value_on(st);
71 if (protection_domain() != NULL) {
72 st->print(" ");
73 protection_domain()->print_value_on(st);
74 }
75 st->cr();
76 }
77
78 bool PrivilegedElement::contains(address addr) {
79 PrivilegedElement *e = (PrivilegedElement *)addr;
80 if (e >= this && e < this+1) return true;
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