Andreas Gampe | b5eb94a | 2016-10-27 19:23:09 -0700 | [diff] [blame] | 1 | /* Copyright (C) 2016 The Android Open Source Project |
| 2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 3 | * |
| 4 | * This file implements interfaces from the file jvmti.h. This implementation |
| 5 | * is licensed under the same terms as the file jvmti.h. The |
| 6 | * copyright and license information for the file jvmti.h follows. |
| 7 | * |
| 8 | * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. |
| 9 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 10 | * |
| 11 | * This code is free software; you can redistribute it and/or modify it |
| 12 | * under the terms of the GNU General Public License version 2 only, as |
| 13 | * published by the Free Software Foundation. Oracle designates this |
| 14 | * particular file as subject to the "Classpath" exception as provided |
| 15 | * by Oracle in the LICENSE file that accompanied this code. |
| 16 | * |
| 17 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 18 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 20 | * version 2 for more details (a copy is included in the LICENSE file that |
| 21 | * accompanied this code). |
| 22 | * |
| 23 | * You should have received a copy of the GNU General Public License version |
| 24 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 25 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 26 | * |
| 27 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 28 | * or visit www.oracle.com if you need additional information or have any |
| 29 | * questions. |
| 30 | */ |
| 31 | |
Andreas Gampe | 06c42a5 | 2017-07-26 14:17:14 -0700 | [diff] [blame] | 32 | #ifndef ART_OPENJDKJVMTI_TI_STACK_H_ |
| 33 | #define ART_OPENJDKJVMTI_TI_STACK_H_ |
Andreas Gampe | b5eb94a | 2016-10-27 19:23:09 -0700 | [diff] [blame] | 34 | |
Andreas Gampe | a1a27c6 | 2017-01-11 16:37:16 -0800 | [diff] [blame] | 35 | #include "jni.h" |
Andreas Gampe | b5eb94a | 2016-10-27 19:23:09 -0700 | [diff] [blame] | 36 | #include "jvmti.h" |
| 37 | |
Alex Light | e814f9d | 2017-07-31 16:14:39 -0700 | [diff] [blame^] | 38 | #include "art_method.h" |
Andreas Gampe | a1a27c6 | 2017-01-11 16:37:16 -0800 | [diff] [blame] | 39 | #include "base/mutex.h" |
Alex Light | e814f9d | 2017-07-31 16:14:39 -0700 | [diff] [blame^] | 40 | #include "stack.h" |
Andreas Gampe | a1a27c6 | 2017-01-11 16:37:16 -0800 | [diff] [blame] | 41 | |
Andreas Gampe | b5eb94a | 2016-10-27 19:23:09 -0700 | [diff] [blame] | 42 | namespace openjdkjvmti { |
| 43 | |
| 44 | class StackUtil { |
| 45 | public: |
Andreas Gampe | a1a27c6 | 2017-01-11 16:37:16 -0800 | [diff] [blame] | 46 | static jvmtiError GetAllStackTraces(jvmtiEnv* env, |
| 47 | jint max_frame_count, |
| 48 | jvmtiStackInfo** stack_info_ptr, |
| 49 | jint* thread_count_ptr) |
| 50 | REQUIRES(!art::Locks::thread_list_lock_); |
| 51 | |
Andreas Gampe | f6f3b5f | 2017-01-13 09:21:42 -0800 | [diff] [blame] | 52 | static jvmtiError GetFrameCount(jvmtiEnv* env, jthread thread, jint* count_ptr); |
| 53 | |
| 54 | static jvmtiError GetFrameLocation(jvmtiEnv* env, |
| 55 | jthread thread, |
| 56 | jint depth, |
| 57 | jmethodID* method_ptr, |
| 58 | jlocation* location_ptr); |
| 59 | |
Andreas Gampe | b5eb94a | 2016-10-27 19:23:09 -0700 | [diff] [blame] | 60 | static jvmtiError GetStackTrace(jvmtiEnv* env, |
| 61 | jthread thread, |
| 62 | jint start_depth, |
| 63 | jint max_frame_count, |
| 64 | jvmtiFrameInfo* frame_buffer, |
| 65 | jint* count_ptr); |
Andreas Gampe | eba32fb | 2017-01-12 17:40:05 -0800 | [diff] [blame] | 66 | |
| 67 | static jvmtiError GetThreadListStackTraces(jvmtiEnv* env, |
| 68 | jint thread_count, |
| 69 | const jthread* thread_list, |
| 70 | jint max_frame_count, |
| 71 | jvmtiStackInfo** stack_info_ptr); |
Alex Light | 88e1ddd | 2017-08-21 13:09:55 -0700 | [diff] [blame] | 72 | |
| 73 | static jvmtiError GetOwnedMonitorStackDepthInfo(jvmtiEnv* env, |
| 74 | jthread thread, |
| 75 | jint* info_cnt_ptr, |
| 76 | jvmtiMonitorStackDepthInfo** info_ptr); |
| 77 | |
| 78 | static jvmtiError GetOwnedMonitorInfo(jvmtiEnv* env, |
| 79 | jthread thread, |
| 80 | jint* owned_monitor_count_ptr, |
| 81 | jobject** owned_monitors_ptr); |
Alex Light | e814f9d | 2017-07-31 16:14:39 -0700 | [diff] [blame^] | 82 | |
| 83 | static jvmtiError NotifyFramePop(jvmtiEnv* env, jthread thread, jint depth); |
| 84 | }; |
| 85 | |
| 86 | struct FindFrameAtDepthVisitor : art::StackVisitor { |
| 87 | public: |
| 88 | FindFrameAtDepthVisitor(art::Thread* target, art::Context* ctx, jint depth) |
| 89 | REQUIRES_SHARED(art::Locks::mutator_lock_) |
| 90 | : art::StackVisitor(target, ctx, art::StackVisitor::StackWalkKind::kIncludeInlinedFrames), |
| 91 | found_frame_(false), |
| 92 | cnt_(0), |
| 93 | depth_(static_cast<size_t>(depth)) { } |
| 94 | |
| 95 | bool FoundFrame() { |
| 96 | return found_frame_; |
| 97 | } |
| 98 | |
| 99 | bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { |
| 100 | if (GetMethod()->IsRuntimeMethod()) { |
| 101 | return true; |
| 102 | } |
| 103 | if (cnt_ == depth_) { |
| 104 | // We found our frame, exit. |
| 105 | found_frame_ = true; |
| 106 | return false; |
| 107 | } else { |
| 108 | cnt_++; |
| 109 | return true; |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | private: |
| 114 | bool found_frame_; |
| 115 | size_t cnt_; |
| 116 | size_t depth_; |
Andreas Gampe | b5eb94a | 2016-10-27 19:23:09 -0700 | [diff] [blame] | 117 | }; |
| 118 | |
| 119 | } // namespace openjdkjvmti |
| 120 | |
Andreas Gampe | 06c42a5 | 2017-07-26 14:17:14 -0700 | [diff] [blame] | 121 | #endif // ART_OPENJDKJVMTI_TI_STACK_H_ |