Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/runtime/vframe.cpp
src/share/vm/runtime/vframe.cpp
- changeset 7605
- 6e8e0bf87bbe
- parent 7215
- c204e2044c29
- child 7994
- 04ff2f6cd0eb
- child 8060
- b1883db930e7
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replaced
| 7582:9d6eb2757167 | 7605:6e8e0bf87bbe |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 5 * This code is free software; you can redistribute it and/or modify it |
| 6 * under the terms of the GNU General Public License version 2 only, as | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 187 for (int index = (mons->length()-1); index >= 0; index--) { | 187 for (int index = (mons->length()-1); index >= 0; index--) { |
| 188 MonitorInfo* monitor = mons->at(index); | 188 MonitorInfo* monitor = mons->at(index); |
| 189 if (monitor->eliminated() && is_compiled_frame()) { // Eliminated in compiled code | 189 if (monitor->eliminated() && is_compiled_frame()) { // Eliminated in compiled code |
| 190 if (monitor->owner_is_scalar_replaced()) { | 190 if (monitor->owner_is_scalar_replaced()) { |
| 191 Klass* k = java_lang_Class::as_Klass(monitor->owner_klass()); | 191 Klass* k = java_lang_Class::as_Klass(monitor->owner_klass()); |
| 192 // format below for lockbits matches this one. | |
| 192 st->print("\t- eliminated <owner is scalar replaced> (a %s)", k->external_name()); | 193 st->print("\t- eliminated <owner is scalar replaced> (a %s)", k->external_name()); |
| 193 } else { | 194 } else { |
| 194 oop obj = monitor->owner(); | 195 oop obj = monitor->owner(); |
| 195 if (obj != NULL) { | 196 if (obj != NULL) { |
| 196 print_locked_object_class_name(st, obj, "eliminated"); | 197 print_locked_object_class_name(st, obj, "eliminated"); |
| 204 // First, assume we have the monitor locked. If we haven't found an | 205 // First, assume we have the monitor locked. If we haven't found an |
| 205 // owned monitor before and this is the first frame, then we need to | 206 // owned monitor before and this is the first frame, then we need to |
| 206 // see if we have completed the lock or we are blocked trying to | 207 // see if we have completed the lock or we are blocked trying to |
| 207 // acquire it - we can only be blocked if the monitor is inflated | 208 // acquire it - we can only be blocked if the monitor is inflated |
| 208 | 209 |
| 210 markOop mark = NULL; | |
| 209 const char *lock_state = "locked"; // assume we have the monitor locked | 211 const char *lock_state = "locked"; // assume we have the monitor locked |
| 210 if (!found_first_monitor && frame_count == 0) { | 212 if (!found_first_monitor && frame_count == 0) { |
| 211 markOop mark = monitor->owner()->mark(); | 213 mark = monitor->owner()->mark(); |
| 212 if (mark->has_monitor() && | 214 if (mark->has_monitor() && |
| 213 ( // we have marked ourself as pending on this monitor | 215 ( // we have marked ourself as pending on this monitor |
| 214 mark->monitor() == thread()->current_pending_monitor() || | 216 mark->monitor() == thread()->current_pending_monitor() || |
| 215 // we are not the owner of this monitor | 217 // we are not the owner of this monitor |
| 216 !mark->monitor()->is_entered(thread()) | 218 !mark->monitor()->is_entered(thread()) |
| 217 )) { | 219 )) { |
| 218 lock_state = "waiting to lock"; | 220 lock_state = "waiting to lock"; |
| 221 } else { | |
| 222 mark = NULL; // Disable printing below | |
| 219 } | 223 } |
| 220 } | 224 } |
| 225 print_locked_object_class_name(st, monitor->owner(), lock_state); | |
| 226 if (Verbose && mark != NULL) { | |
| 227 // match with format above, replacing "-" with " ". | |
| 228 st->print("\t lockbits="); | |
| 229 mark->print_on(st); | |
| 230 st->cr(); | |
| 231 } | |
| 221 | 232 |
| 222 found_first_monitor = true; | 233 found_first_monitor = true; |
| 223 print_locked_object_class_name(st, monitor->owner(), lock_state); | |
| 224 } | 234 } |
| 225 } | 235 } |
| 226 } | 236 } |
| 227 } | 237 } |
| 228 | 238 |
| 576 tty->print("( is scalar replaced %s)", k->external_name()); | 586 tty->print("( is scalar replaced %s)", k->external_name()); |
| 577 } else if (monitor->owner() == NULL) { | 587 } else if (monitor->owner() == NULL) { |
| 578 tty->print("( null )"); | 588 tty->print("( null )"); |
| 579 } else { | 589 } else { |
| 580 monitor->owner()->print_value(); | 590 monitor->owner()->print_value(); |
| 581 tty->print("(" INTPTR_FORMAT ")", (address)monitor->owner()); | 591 tty->print("(owner=" INTPTR_FORMAT ")", (address)monitor->owner()); |
| 582 } | 592 } |
| 583 if (monitor->eliminated() && is_compiled_frame()) | 593 if (monitor->eliminated()) { |
| 584 tty->print(" ( lock is eliminated )"); | 594 if(is_compiled_frame()) { |
| 595 tty->print(" ( lock is eliminated in compiled frame )"); | |
| 596 } else { | |
| 597 tty->print(" ( lock is eliminated, frame not compiled )"); | |
| 598 } | |
| 599 } | |
| 585 tty->cr(); | 600 tty->cr(); |
| 586 tty->print("\t "); | 601 tty->print("\t "); |
| 587 monitor->lock()->print_on(tty); | 602 monitor->lock()->print_on(tty); |
| 588 tty->cr(); | 603 tty->cr(); |
| 589 } | 604 } |
