Andreas Gampe | 3f46c96 | 2017-03-30 10:26:59 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "jvmti_helper.h" |
Alex Light | 47d49b8 | 2017-07-25 14:06:34 -0700 | [diff] [blame] | 18 | #include "test_env.h" |
Andreas Gampe | 3f46c96 | 2017-03-30 10:26:59 -0700 | [diff] [blame] | 19 | |
Andreas Gampe | 3f46c96 | 2017-03-30 10:26:59 -0700 | [diff] [blame] | 20 | #include <dlfcn.h> |
Andreas Gampe | 8cf9cb3 | 2017-07-19 09:28:38 -0700 | [diff] [blame] | 21 | |
| 22 | #include <algorithm> |
| 23 | #include <cstdio> |
| 24 | #include <cstring> |
Andreas Gampe | 3f46c96 | 2017-03-30 10:26:59 -0700 | [diff] [blame] | 25 | #include <sstream> |
Andreas Gampe | 3f46c96 | 2017-03-30 10:26:59 -0700 | [diff] [blame] | 26 | |
| 27 | #include "android-base/logging.h" |
| 28 | #include "scoped_local_ref.h" |
| 29 | |
| 30 | namespace art { |
| 31 | |
| 32 | void CheckJvmtiError(jvmtiEnv* env, jvmtiError error) { |
| 33 | if (error != JVMTI_ERROR_NONE) { |
| 34 | char* error_name; |
| 35 | jvmtiError name_error = env->GetErrorName(error, &error_name); |
| 36 | if (name_error != JVMTI_ERROR_NONE) { |
| 37 | LOG(FATAL) << "Unable to get error name for " << error; |
| 38 | } |
| 39 | LOG(FATAL) << "Unexpected error: " << error_name; |
| 40 | } |
| 41 | } |
| 42 | |
Alex Light | 3d324fd | 2017-07-20 15:38:52 -0700 | [diff] [blame] | 43 | // These are a set of capabilities we will enable in all situations. These are chosen since they |
| 44 | // will not affect the runtime in any significant way if they are enabled. |
| 45 | static const jvmtiCapabilities standard_caps = { |
| 46 | .can_tag_objects = 1, |
| 47 | .can_generate_field_modification_events = 1, |
| 48 | .can_generate_field_access_events = 1, |
| 49 | .can_get_bytecodes = 1, |
| 50 | .can_get_synthetic_attribute = 1, |
| 51 | .can_get_owned_monitor_info = 0, |
Alex Light | 41006c6 | 2017-09-14 09:51:14 -0700 | [diff] [blame] | 52 | .can_get_current_contended_monitor = 1, |
Alex Light | ce56864 | 2017-09-05 16:54:25 -0700 | [diff] [blame] | 53 | .can_get_monitor_info = 1, |
Alex Light | 3d324fd | 2017-07-20 15:38:52 -0700 | [diff] [blame] | 54 | .can_pop_frame = 0, |
| 55 | .can_redefine_classes = 1, |
Alex Light | 54d39dc | 2017-09-25 17:00:16 -0700 | [diff] [blame] | 56 | .can_signal_thread = 1, |
Alex Light | 3d324fd | 2017-07-20 15:38:52 -0700 | [diff] [blame] | 57 | .can_get_source_file_name = 1, |
| 58 | .can_get_line_numbers = 1, |
| 59 | .can_get_source_debug_extension = 1, |
| 60 | .can_access_local_variables = 0, |
Alex Light | b566fed | 2017-07-28 15:17:00 -0700 | [diff] [blame] | 61 | .can_maintain_original_method_order = 1, |
Alex Light | 3d324fd | 2017-07-20 15:38:52 -0700 | [diff] [blame] | 62 | .can_generate_single_step_events = 1, |
| 63 | .can_generate_exception_events = 0, |
| 64 | .can_generate_frame_pop_events = 0, |
| 65 | .can_generate_breakpoint_events = 1, |
| 66 | .can_suspend = 1, |
| 67 | .can_redefine_any_class = 0, |
| 68 | .can_get_current_thread_cpu_time = 0, |
| 69 | .can_get_thread_cpu_time = 0, |
| 70 | .can_generate_method_entry_events = 1, |
| 71 | .can_generate_method_exit_events = 1, |
| 72 | .can_generate_all_class_hook_events = 0, |
| 73 | .can_generate_compiled_method_load_events = 0, |
| 74 | .can_generate_monitor_events = 0, |
| 75 | .can_generate_vm_object_alloc_events = 1, |
| 76 | .can_generate_native_method_bind_events = 1, |
| 77 | .can_generate_garbage_collection_events = 1, |
| 78 | .can_generate_object_free_events = 1, |
| 79 | .can_force_early_return = 0, |
| 80 | .can_get_owned_monitor_stack_depth_info = 0, |
| 81 | .can_get_constant_pool = 0, |
| 82 | .can_set_native_method_prefix = 0, |
| 83 | .can_retransform_classes = 1, |
| 84 | .can_retransform_any_class = 0, |
| 85 | .can_generate_resource_exhaustion_heap_events = 0, |
| 86 | .can_generate_resource_exhaustion_threads_events = 0, |
| 87 | }; |
| 88 | |
| 89 | jvmtiCapabilities GetStandardCapabilities() { |
| 90 | return standard_caps; |
| 91 | } |
| 92 | |
| 93 | void SetStandardCapabilities(jvmtiEnv* env) { |
Alex Light | 47d49b8 | 2017-07-25 14:06:34 -0700 | [diff] [blame] | 94 | if (IsJVM()) { |
| 95 | // RI is more strict about adding capabilities at runtime then ART so just give it everything. |
| 96 | SetAllCapabilities(env); |
| 97 | return; |
| 98 | } |
Alex Light | 3d324fd | 2017-07-20 15:38:52 -0700 | [diff] [blame] | 99 | jvmtiCapabilities caps = GetStandardCapabilities(); |
| 100 | CheckJvmtiError(env, env->AddCapabilities(&caps)); |
| 101 | } |
| 102 | |
Andreas Gampe | 3f46c96 | 2017-03-30 10:26:59 -0700 | [diff] [blame] | 103 | void SetAllCapabilities(jvmtiEnv* env) { |
| 104 | jvmtiCapabilities caps; |
Alex Light | 3d324fd | 2017-07-20 15:38:52 -0700 | [diff] [blame] | 105 | CheckJvmtiError(env, env->GetPotentialCapabilities(&caps)); |
| 106 | CheckJvmtiError(env, env->AddCapabilities(&caps)); |
Andreas Gampe | 3f46c96 | 2017-03-30 10:26:59 -0700 | [diff] [blame] | 107 | } |
| 108 | |
Alex Light | 47d49b8 | 2017-07-25 14:06:34 -0700 | [diff] [blame] | 109 | bool JvmtiErrorToException(JNIEnv* env, jvmtiEnv* jvmtienv, jvmtiError error) { |
Andreas Gampe | 3f46c96 | 2017-03-30 10:26:59 -0700 | [diff] [blame] | 110 | if (error == JVMTI_ERROR_NONE) { |
| 111 | return false; |
| 112 | } |
| 113 | |
| 114 | ScopedLocalRef<jclass> rt_exception(env, env->FindClass("java/lang/RuntimeException")); |
| 115 | if (rt_exception.get() == nullptr) { |
| 116 | // CNFE should be pending. |
| 117 | return true; |
| 118 | } |
| 119 | |
| 120 | char* err; |
Alex Light | 47d49b8 | 2017-07-25 14:06:34 -0700 | [diff] [blame] | 121 | CheckJvmtiError(jvmtienv, jvmtienv->GetErrorName(error, &err)); |
Andreas Gampe | 3f46c96 | 2017-03-30 10:26:59 -0700 | [diff] [blame] | 122 | |
| 123 | env->ThrowNew(rt_exception.get(), err); |
| 124 | |
Alex Light | 47d49b8 | 2017-07-25 14:06:34 -0700 | [diff] [blame] | 125 | Deallocate(jvmtienv, err); |
Andreas Gampe | 3f46c96 | 2017-03-30 10:26:59 -0700 | [diff] [blame] | 126 | return true; |
| 127 | } |
| 128 | |
| 129 | std::ostream& operator<<(std::ostream& os, const jvmtiError& rhs) { |
| 130 | switch (rhs) { |
| 131 | case JVMTI_ERROR_NONE: |
| 132 | return os << "NONE"; |
| 133 | case JVMTI_ERROR_INVALID_THREAD: |
| 134 | return os << "INVALID_THREAD"; |
| 135 | case JVMTI_ERROR_INVALID_THREAD_GROUP: |
| 136 | return os << "INVALID_THREAD_GROUP"; |
| 137 | case JVMTI_ERROR_INVALID_PRIORITY: |
| 138 | return os << "INVALID_PRIORITY"; |
| 139 | case JVMTI_ERROR_THREAD_NOT_SUSPENDED: |
| 140 | return os << "THREAD_NOT_SUSPENDED"; |
| 141 | case JVMTI_ERROR_THREAD_SUSPENDED: |
| 142 | return os << "THREAD_SUSPENDED"; |
| 143 | case JVMTI_ERROR_THREAD_NOT_ALIVE: |
| 144 | return os << "THREAD_NOT_ALIVE"; |
| 145 | case JVMTI_ERROR_INVALID_OBJECT: |
| 146 | return os << "INVALID_OBJECT"; |
| 147 | case JVMTI_ERROR_INVALID_CLASS: |
| 148 | return os << "INVALID_CLASS"; |
| 149 | case JVMTI_ERROR_CLASS_NOT_PREPARED: |
| 150 | return os << "CLASS_NOT_PREPARED"; |
| 151 | case JVMTI_ERROR_INVALID_METHODID: |
| 152 | return os << "INVALID_METHODID"; |
| 153 | case JVMTI_ERROR_INVALID_LOCATION: |
| 154 | return os << "INVALID_LOCATION"; |
| 155 | case JVMTI_ERROR_INVALID_FIELDID: |
| 156 | return os << "INVALID_FIELDID"; |
| 157 | case JVMTI_ERROR_NO_MORE_FRAMES: |
| 158 | return os << "NO_MORE_FRAMES"; |
| 159 | case JVMTI_ERROR_OPAQUE_FRAME: |
| 160 | return os << "OPAQUE_FRAME"; |
| 161 | case JVMTI_ERROR_TYPE_MISMATCH: |
| 162 | return os << "TYPE_MISMATCH"; |
| 163 | case JVMTI_ERROR_INVALID_SLOT: |
| 164 | return os << "INVALID_SLOT"; |
| 165 | case JVMTI_ERROR_DUPLICATE: |
| 166 | return os << "DUPLICATE"; |
| 167 | case JVMTI_ERROR_NOT_FOUND: |
| 168 | return os << "NOT_FOUND"; |
| 169 | case JVMTI_ERROR_INVALID_MONITOR: |
| 170 | return os << "INVALID_MONITOR"; |
| 171 | case JVMTI_ERROR_NOT_MONITOR_OWNER: |
| 172 | return os << "NOT_MONITOR_OWNER"; |
| 173 | case JVMTI_ERROR_INTERRUPT: |
| 174 | return os << "INTERRUPT"; |
| 175 | case JVMTI_ERROR_INVALID_CLASS_FORMAT: |
| 176 | return os << "INVALID_CLASS_FORMAT"; |
| 177 | case JVMTI_ERROR_CIRCULAR_CLASS_DEFINITION: |
| 178 | return os << "CIRCULAR_CLASS_DEFINITION"; |
| 179 | case JVMTI_ERROR_FAILS_VERIFICATION: |
| 180 | return os << "FAILS_VERIFICATION"; |
| 181 | case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_ADDED: |
| 182 | return os << "UNSUPPORTED_REDEFINITION_METHOD_ADDED"; |
| 183 | case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_SCHEMA_CHANGED: |
| 184 | return os << "UNSUPPORTED_REDEFINITION_SCHEMA_CHANGED"; |
| 185 | case JVMTI_ERROR_INVALID_TYPESTATE: |
| 186 | return os << "INVALID_TYPESTATE"; |
| 187 | case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED: |
| 188 | return os << "UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED"; |
| 189 | case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_DELETED: |
| 190 | return os << "UNSUPPORTED_REDEFINITION_METHOD_DELETED"; |
| 191 | case JVMTI_ERROR_UNSUPPORTED_VERSION: |
| 192 | return os << "UNSUPPORTED_VERSION"; |
| 193 | case JVMTI_ERROR_NAMES_DONT_MATCH: |
| 194 | return os << "NAMES_DONT_MATCH"; |
| 195 | case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_CLASS_MODIFIERS_CHANGED: |
| 196 | return os << "UNSUPPORTED_REDEFINITION_CLASS_MODIFIERS_CHANGED"; |
| 197 | case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_MODIFIERS_CHANGED: |
| 198 | return os << "UNSUPPORTED_REDEFINITION_METHOD_MODIFIERS_CHANGED"; |
| 199 | case JVMTI_ERROR_UNMODIFIABLE_CLASS: |
| 200 | return os << "JVMTI_ERROR_UNMODIFIABLE_CLASS"; |
| 201 | case JVMTI_ERROR_NOT_AVAILABLE: |
| 202 | return os << "NOT_AVAILABLE"; |
| 203 | case JVMTI_ERROR_MUST_POSSESS_CAPABILITY: |
| 204 | return os << "MUST_POSSESS_CAPABILITY"; |
| 205 | case JVMTI_ERROR_NULL_POINTER: |
| 206 | return os << "NULL_POINTER"; |
| 207 | case JVMTI_ERROR_ABSENT_INFORMATION: |
| 208 | return os << "ABSENT_INFORMATION"; |
| 209 | case JVMTI_ERROR_INVALID_EVENT_TYPE: |
| 210 | return os << "INVALID_EVENT_TYPE"; |
| 211 | case JVMTI_ERROR_ILLEGAL_ARGUMENT: |
| 212 | return os << "ILLEGAL_ARGUMENT"; |
| 213 | case JVMTI_ERROR_NATIVE_METHOD: |
| 214 | return os << "NATIVE_METHOD"; |
| 215 | case JVMTI_ERROR_CLASS_LOADER_UNSUPPORTED: |
| 216 | return os << "CLASS_LOADER_UNSUPPORTED"; |
| 217 | case JVMTI_ERROR_OUT_OF_MEMORY: |
| 218 | return os << "OUT_OF_MEMORY"; |
| 219 | case JVMTI_ERROR_ACCESS_DENIED: |
| 220 | return os << "ACCESS_DENIED"; |
| 221 | case JVMTI_ERROR_WRONG_PHASE: |
| 222 | return os << "WRONG_PHASE"; |
| 223 | case JVMTI_ERROR_INTERNAL: |
| 224 | return os << "INTERNAL"; |
| 225 | case JVMTI_ERROR_UNATTACHED_THREAD: |
| 226 | return os << "UNATTACHED_THREAD"; |
| 227 | case JVMTI_ERROR_INVALID_ENVIRONMENT: |
| 228 | return os << "INVALID_ENVIRONMENT"; |
| 229 | } |
| 230 | LOG(FATAL) << "Unexpected error type " << static_cast<int>(rhs); |
| 231 | __builtin_unreachable(); |
| 232 | } |
| 233 | |
| 234 | } // namespace art |