Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/runtime/deoptimization.hpp
src/share/vm/runtime/deoptimization.hpp
- changeset 4037
- da91efe96a93
- parent 3900
- d2a62e0f25eb
- child 6377
- b8413a9cbb84
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| 4036:36d1d483d5d6 | 4037:da91efe96a93 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1997, 2012, 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. |
| 330 // Preserves incoming arguments to the popped frame when it is | 330 // Preserves incoming arguments to the popped frame when it is |
| 331 // returning to a deoptimized caller | 331 // returning to a deoptimized caller |
| 332 static void popframe_preserve_args(JavaThread* thread, int bytes_to_save, void* start_address); | 332 static void popframe_preserve_args(JavaThread* thread, int bytes_to_save, void* start_address); |
| 333 | 333 |
| 334 private: | 334 private: |
| 335 static methodDataOop get_method_data(JavaThread* thread, methodHandle m, bool create_if_missing); | 335 static MethodData* get_method_data(JavaThread* thread, methodHandle m, bool create_if_missing); |
| 336 // Update the mdo's count and per-BCI reason bits, returning previous state: | 336 // Update the mdo's count and per-BCI reason bits, returning previous state: |
| 337 static ProfileData* query_update_method_data(methodDataHandle trap_mdo, | 337 static ProfileData* query_update_method_data(MethodData* trap_mdo, |
| 338 int trap_bci, | 338 int trap_bci, |
| 339 DeoptReason reason, | 339 DeoptReason reason, |
| 340 //outputs: | 340 //outputs: |
| 341 uint& ret_this_trap_count, | 341 uint& ret_this_trap_count, |
| 342 bool& ret_maybe_prior_trap, | 342 bool& ret_maybe_prior_trap, |
| 353 | 353 |
| 354 static juint _deoptimization_hist[Reason_LIMIT][1+Action_LIMIT][BC_CASE_LIMIT]; | 354 static juint _deoptimization_hist[Reason_LIMIT][1+Action_LIMIT][BC_CASE_LIMIT]; |
| 355 // Note: Histogram array size is 1-2 Kb. | 355 // Note: Histogram array size is 1-2 Kb. |
| 356 | 356 |
| 357 public: | 357 public: |
| 358 static void update_method_data_from_interpreter(methodDataHandle trap_mdo, int trap_bci, int reason); | 358 static void update_method_data_from_interpreter(MethodData* trap_mdo, int trap_bci, int reason); |
| 359 }; | 359 }; |
| 360 | 360 |
| 361 class DeoptimizationMarker : StackObj { // for profiling | 361 class DeoptimizationMarker : StackObj { // for profiling |
| 362 static bool _is_active; | 362 static bool _is_active; |
| 363 public: | 363 public: |
