Thu, 24 Jan 2013 22:13:32 -0800
8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
Summary: When constant pool is copied in merge_constant_pools the invokedynamic operands must be copied before.
Reviewed-by: coleenp, twisti
Contributed-by: serguei.spitsyn@oracle.com
duke@435 | 1 | /* |
sspitsyn@3638 | 2 | * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #ifndef SHARE_VM_PRIMS_JVMTIEXPORT_HPP |
stefank@2314 | 26 | #define SHARE_VM_PRIMS_JVMTIEXPORT_HPP |
stefank@2314 | 27 | |
stefank@2314 | 28 | #include "jvmtifiles/jvmti.h" |
stefank@2314 | 29 | #include "memory/allocation.hpp" |
stefank@2314 | 30 | #include "memory/iterator.hpp" |
stefank@2314 | 31 | #include "oops/oop.hpp" |
stefank@2314 | 32 | #include "oops/oopsHierarchy.hpp" |
stefank@2314 | 33 | #include "runtime/frame.hpp" |
stefank@2314 | 34 | #include "runtime/handles.hpp" |
stefank@2314 | 35 | #include "utilities/globalDefinitions.hpp" |
stefank@2314 | 36 | #include "utilities/growableArray.hpp" |
duke@435 | 37 | |
stefank@2325 | 38 | // Must be included after jvmti.h. |
stefank@2325 | 39 | #include "code/jvmticmlr.h" |
stefank@2325 | 40 | |
duke@435 | 41 | // Forward declarations |
duke@435 | 42 | |
duke@435 | 43 | class JvmtiEventControllerPrivate; |
duke@435 | 44 | class JvmtiManageCapabilities; |
duke@435 | 45 | class JvmtiEnv; |
duke@435 | 46 | class JvmtiThreadState; |
duke@435 | 47 | class AttachOperation; |
duke@435 | 48 | |
duke@435 | 49 | #define JVMTI_SUPPORT_FLAG(key) \ |
duke@435 | 50 | private: \ |
jprovino@4165 | 51 | static bool _##key; \ |
duke@435 | 52 | public: \ |
jprovino@4165 | 53 | inline static void set_##key(bool on) { \ |
jprovino@4165 | 54 | JVMTI_ONLY(_##key = (on != 0)); \ |
jprovino@4165 | 55 | NOT_JVMTI(report_unsupported(on)); \ |
jprovino@4165 | 56 | } \ |
jprovino@4165 | 57 | inline static bool key() { \ |
jprovino@4165 | 58 | JVMTI_ONLY(return _##key); \ |
jprovino@4165 | 59 | NOT_JVMTI(return false); \ |
jprovino@4165 | 60 | } |
duke@435 | 61 | |
duke@435 | 62 | |
duke@435 | 63 | // This class contains the JVMTI interface for the rest of hotspot. |
duke@435 | 64 | // |
duke@435 | 65 | class JvmtiExport : public AllStatic { |
never@3138 | 66 | friend class VMStructs; |
minqi@4267 | 67 | friend class CompileReplay; |
minqi@4267 | 68 | |
duke@435 | 69 | private: |
jprovino@4165 | 70 | |
jprovino@4165 | 71 | #if INCLUDE_JVMTI |
duke@435 | 72 | static int _field_access_count; |
duke@435 | 73 | static int _field_modification_count; |
duke@435 | 74 | |
duke@435 | 75 | static bool _can_access_local_variables; |
duke@435 | 76 | static bool _can_hotswap_or_post_breakpoint; |
duke@435 | 77 | static bool _can_modify_any_class; |
duke@435 | 78 | static bool _can_walk_any_space; |
jprovino@4165 | 79 | #endif // INCLUDE_JVMTI |
duke@435 | 80 | |
duke@435 | 81 | JVMTI_SUPPORT_FLAG(can_get_source_debug_extension) |
duke@435 | 82 | JVMTI_SUPPORT_FLAG(can_maintain_original_method_order) |
duke@435 | 83 | JVMTI_SUPPORT_FLAG(can_post_interpreter_events) |
dcubed@1648 | 84 | JVMTI_SUPPORT_FLAG(can_post_on_exceptions) |
duke@435 | 85 | JVMTI_SUPPORT_FLAG(can_post_breakpoint) |
duke@435 | 86 | JVMTI_SUPPORT_FLAG(can_post_field_access) |
duke@435 | 87 | JVMTI_SUPPORT_FLAG(can_post_field_modification) |
duke@435 | 88 | JVMTI_SUPPORT_FLAG(can_post_method_entry) |
duke@435 | 89 | JVMTI_SUPPORT_FLAG(can_post_method_exit) |
duke@435 | 90 | JVMTI_SUPPORT_FLAG(can_pop_frame) |
duke@435 | 91 | JVMTI_SUPPORT_FLAG(can_force_early_return) |
duke@435 | 92 | |
duke@435 | 93 | friend class JvmtiEventControllerPrivate; // should only modify these flags |
duke@435 | 94 | JVMTI_SUPPORT_FLAG(should_post_single_step) |
duke@435 | 95 | JVMTI_SUPPORT_FLAG(should_post_field_access) |
duke@435 | 96 | JVMTI_SUPPORT_FLAG(should_post_field_modification) |
duke@435 | 97 | JVMTI_SUPPORT_FLAG(should_post_class_load) |
duke@435 | 98 | JVMTI_SUPPORT_FLAG(should_post_class_prepare) |
duke@435 | 99 | JVMTI_SUPPORT_FLAG(should_post_class_unload) |
duke@435 | 100 | JVMTI_SUPPORT_FLAG(should_post_native_method_bind) |
duke@435 | 101 | JVMTI_SUPPORT_FLAG(should_post_compiled_method_load) |
duke@435 | 102 | JVMTI_SUPPORT_FLAG(should_post_compiled_method_unload) |
duke@435 | 103 | JVMTI_SUPPORT_FLAG(should_post_dynamic_code_generated) |
duke@435 | 104 | JVMTI_SUPPORT_FLAG(should_post_monitor_contended_enter) |
duke@435 | 105 | JVMTI_SUPPORT_FLAG(should_post_monitor_contended_entered) |
duke@435 | 106 | JVMTI_SUPPORT_FLAG(should_post_monitor_wait) |
duke@435 | 107 | JVMTI_SUPPORT_FLAG(should_post_monitor_waited) |
duke@435 | 108 | JVMTI_SUPPORT_FLAG(should_post_data_dump) |
duke@435 | 109 | JVMTI_SUPPORT_FLAG(should_post_garbage_collection_start) |
duke@435 | 110 | JVMTI_SUPPORT_FLAG(should_post_garbage_collection_finish) |
dcubed@1648 | 111 | JVMTI_SUPPORT_FLAG(should_post_on_exceptions) |
duke@435 | 112 | |
duke@435 | 113 | // ------ the below maybe don't have to be (but are for now) |
duke@435 | 114 | // fixed conditions here ------------ |
duke@435 | 115 | // any events can be enabled |
duke@435 | 116 | JVMTI_SUPPORT_FLAG(should_post_thread_life) |
duke@435 | 117 | JVMTI_SUPPORT_FLAG(should_post_object_free) |
duke@435 | 118 | JVMTI_SUPPORT_FLAG(should_post_resource_exhausted) |
duke@435 | 119 | |
duke@435 | 120 | // we are holding objects on the heap - need to talk to GC - e.g. |
duke@435 | 121 | // breakpoint info |
duke@435 | 122 | JVMTI_SUPPORT_FLAG(should_clean_up_heap_objects) |
duke@435 | 123 | JVMTI_SUPPORT_FLAG(should_post_vm_object_alloc) |
duke@435 | 124 | |
duke@435 | 125 | // If flag cannot be implemented, give an error if on=true |
duke@435 | 126 | static void report_unsupported(bool on); |
duke@435 | 127 | |
duke@435 | 128 | // these should only be called by the friend class |
duke@435 | 129 | friend class JvmtiManageCapabilities; |
jprovino@4165 | 130 | inline static void set_can_modify_any_class(bool on) { |
jprovino@4165 | 131 | JVMTI_ONLY(_can_modify_any_class = (on != 0);) |
jprovino@4165 | 132 | } |
jprovino@4165 | 133 | inline static void set_can_access_local_variables(bool on) { |
jprovino@4165 | 134 | JVMTI_ONLY(_can_access_local_variables = (on != 0);) |
jprovino@4165 | 135 | } |
jprovino@4165 | 136 | inline static void set_can_hotswap_or_post_breakpoint(bool on) { |
jprovino@4165 | 137 | JVMTI_ONLY(_can_hotswap_or_post_breakpoint = (on != 0);) |
jprovino@4165 | 138 | } |
jprovino@4165 | 139 | inline static void set_can_walk_any_space(bool on) { |
jprovino@4165 | 140 | JVMTI_ONLY(_can_walk_any_space = (on != 0);) |
jprovino@4165 | 141 | } |
duke@435 | 142 | |
duke@435 | 143 | enum { |
duke@435 | 144 | JVMTI_VERSION_MASK = 0x70000000, |
duke@435 | 145 | JVMTI_VERSION_VALUE = 0x30000000, |
duke@435 | 146 | JVMDI_VERSION_VALUE = 0x20000000 |
duke@435 | 147 | }; |
duke@435 | 148 | |
coleenp@4037 | 149 | static void post_field_modification(JavaThread *thread, Method* method, address location, |
duke@435 | 150 | KlassHandle field_klass, Handle object, jfieldID field, |
duke@435 | 151 | char sig_type, jvalue *value); |
duke@435 | 152 | |
duke@435 | 153 | |
duke@435 | 154 | // posts a DynamicCodeGenerated event (internal/private implementation). |
duke@435 | 155 | // The public post_dynamic_code_generated* functions make use of the |
kamg@2583 | 156 | // internal implementation. Also called from JvmtiDeferredEvent::post() |
jprovino@4165 | 157 | static void post_dynamic_code_generated_internal(const char *name, const void *code_begin, const void *code_end) NOT_JVMTI_RETURN; |
duke@435 | 158 | |
kamg@2583 | 159 | private: |
duke@435 | 160 | |
duke@435 | 161 | // GenerateEvents support to allow posting of CompiledMethodLoad and |
duke@435 | 162 | // DynamicCodeGenerated events for a given environment. |
duke@435 | 163 | friend class JvmtiCodeBlobEvents; |
duke@435 | 164 | |
duke@435 | 165 | static void post_compiled_method_load(JvmtiEnv* env, const jmethodID method, const jint length, |
duke@435 | 166 | const void *code_begin, const jint map_length, |
jprovino@4165 | 167 | const jvmtiAddrLocationMap* map) NOT_JVMTI_RETURN; |
duke@435 | 168 | static void post_dynamic_code_generated(JvmtiEnv* env, const char *name, const void *code_begin, |
jprovino@4165 | 169 | const void *code_end) NOT_JVMTI_RETURN; |
duke@435 | 170 | |
duke@435 | 171 | // The RedefineClasses() API breaks some invariants in the "regular" |
duke@435 | 172 | // system. For example, there are sanity checks when GC'ing nmethods |
duke@435 | 173 | // that require the containing class to be unloading. However, when a |
duke@435 | 174 | // method is redefined, the old method and nmethod can become GC'able |
duke@435 | 175 | // without the containing class unloading. The state of becoming |
duke@435 | 176 | // GC'able can be asynchronous to the RedefineClasses() call since |
duke@435 | 177 | // the old method may still be running and cannot be GC'ed until |
duke@435 | 178 | // after all old invocations have finished. Additionally, a method |
duke@435 | 179 | // that has not been redefined may have an nmethod that depends on |
duke@435 | 180 | // the redefined method. The dependent nmethod will get deopted in |
duke@435 | 181 | // this case and may also be GC'able without the containing class |
duke@435 | 182 | // being unloaded. |
duke@435 | 183 | // |
duke@435 | 184 | // This flag indicates whether RedefineClasses() has ever redefined |
duke@435 | 185 | // one or more classes during the lifetime of the VM. The flag should |
duke@435 | 186 | // only be set by the friend class and can be queried by other sub |
duke@435 | 187 | // systems as needed to relax invariant checks. |
duke@435 | 188 | static bool _has_redefined_a_class; |
duke@435 | 189 | friend class VM_RedefineClasses; |
duke@435 | 190 | inline static void set_has_redefined_a_class() { |
jprovino@4165 | 191 | JVMTI_ONLY(_has_redefined_a_class = true;) |
duke@435 | 192 | } |
duke@435 | 193 | // Flag to indicate if the compiler has recorded all dependencies. When the |
duke@435 | 194 | // can_redefine_classes capability is enabled in the OnLoad phase then the compiler |
duke@435 | 195 | // records all dependencies from startup. However if the capability is first |
duke@435 | 196 | // enabled some time later then the dependencies recorded by the compiler |
duke@435 | 197 | // are incomplete. This flag is used by RedefineClasses to know if the |
duke@435 | 198 | // dependency information is complete or not. |
duke@435 | 199 | static bool _all_dependencies_are_recorded; |
duke@435 | 200 | |
duke@435 | 201 | public: |
duke@435 | 202 | inline static bool has_redefined_a_class() { |
jprovino@4165 | 203 | JVMTI_ONLY(return _has_redefined_a_class); |
jprovino@4165 | 204 | NOT_JVMTI(return false); |
duke@435 | 205 | } |
duke@435 | 206 | |
duke@435 | 207 | inline static bool all_dependencies_are_recorded() { |
duke@435 | 208 | return _all_dependencies_are_recorded; |
duke@435 | 209 | } |
duke@435 | 210 | |
duke@435 | 211 | inline static void set_all_dependencies_are_recorded(bool on) { |
duke@435 | 212 | _all_dependencies_are_recorded = (on != 0); |
duke@435 | 213 | } |
duke@435 | 214 | |
duke@435 | 215 | |
duke@435 | 216 | // let JVMTI know that the JVM_OnLoad code is running |
jprovino@4165 | 217 | static void enter_onload_phase() NOT_JVMTI_RETURN; |
duke@435 | 218 | |
duke@435 | 219 | // let JVMTI know that the VM isn't up yet (and JVM_OnLoad code isn't running) |
jprovino@4165 | 220 | static void enter_primordial_phase() NOT_JVMTI_RETURN; |
duke@435 | 221 | |
duke@435 | 222 | // let JVMTI know that the VM isn't up yet but JNI is live |
jprovino@4165 | 223 | static void enter_start_phase() NOT_JVMTI_RETURN; |
duke@435 | 224 | |
duke@435 | 225 | // let JVMTI know that the VM is fully up and running now |
jprovino@4165 | 226 | static void enter_live_phase() NOT_JVMTI_RETURN; |
duke@435 | 227 | |
duke@435 | 228 | // ------ can_* conditions (below) are set at OnLoad and never changed ------------ |
jprovino@4165 | 229 | inline static bool can_modify_any_class() { |
jprovino@4165 | 230 | JVMTI_ONLY(return _can_modify_any_class); |
jprovino@4165 | 231 | NOT_JVMTI(return false); |
jprovino@4165 | 232 | } |
jprovino@4165 | 233 | inline static bool can_access_local_variables() { |
jprovino@4165 | 234 | JVMTI_ONLY(return _can_access_local_variables); |
jprovino@4165 | 235 | NOT_JVMTI(return false); |
jprovino@4165 | 236 | } |
jprovino@4165 | 237 | inline static bool can_hotswap_or_post_breakpoint() { |
jprovino@4165 | 238 | JVMTI_ONLY(return _can_hotswap_or_post_breakpoint); |
jprovino@4165 | 239 | NOT_JVMTI(return false); |
jprovino@4165 | 240 | } |
jprovino@4165 | 241 | inline static bool can_walk_any_space() { |
jprovino@4165 | 242 | JVMTI_ONLY(return _can_walk_any_space); |
jprovino@4165 | 243 | NOT_JVMTI(return false); |
jprovino@4165 | 244 | } |
duke@435 | 245 | |
duke@435 | 246 | // field access management |
jprovino@4165 | 247 | static address get_field_access_count_addr() NOT_JVMTI_RETURN_(0); |
duke@435 | 248 | |
duke@435 | 249 | // field modification management |
jprovino@4165 | 250 | static address get_field_modification_count_addr() NOT_JVMTI_RETURN_(0); |
duke@435 | 251 | |
duke@435 | 252 | // ----------------- |
duke@435 | 253 | |
jprovino@4165 | 254 | static bool is_jvmti_version(jint version) { |
jprovino@4165 | 255 | JVMTI_ONLY(return (version & JVMTI_VERSION_MASK) == JVMTI_VERSION_VALUE); |
jprovino@4165 | 256 | NOT_JVMTI(return false); |
jprovino@4165 | 257 | } |
jprovino@4165 | 258 | static bool is_jvmdi_version(jint version) { |
jprovino@4165 | 259 | JVMTI_ONLY(return (version & JVMTI_VERSION_MASK) == JVMDI_VERSION_VALUE); |
jprovino@4165 | 260 | NOT_JVMTI(return false); |
jprovino@4165 | 261 | } |
jprovino@4165 | 262 | static jint get_jvmti_interface(JavaVM *jvm, void **penv, jint version) NOT_JVMTI_RETURN_(0); |
dcubed@1556 | 263 | static void decode_version_values(jint version, int * major, int * minor, |
jprovino@4165 | 264 | int * micro) NOT_JVMTI_RETURN; |
duke@435 | 265 | |
duke@435 | 266 | // single stepping management methods |
jprovino@4165 | 267 | static void at_single_stepping_point(JavaThread *thread, Method* method, address location) NOT_JVMTI_RETURN; |
jprovino@4165 | 268 | static void expose_single_stepping(JavaThread *thread) NOT_JVMTI_RETURN; |
jprovino@4165 | 269 | static bool hide_single_stepping(JavaThread *thread) NOT_JVMTI_RETURN_(false); |
duke@435 | 270 | |
duke@435 | 271 | // Methods that notify the debugger that something interesting has happened in the VM. |
jprovino@4165 | 272 | static void post_vm_start () NOT_JVMTI_RETURN; |
jprovino@4165 | 273 | static void post_vm_initialized () NOT_JVMTI_RETURN; |
jprovino@4165 | 274 | static void post_vm_death () NOT_JVMTI_RETURN; |
duke@435 | 275 | |
jprovino@4165 | 276 | static void post_single_step (JavaThread *thread, Method* method, address location) NOT_JVMTI_RETURN; |
jprovino@4165 | 277 | static void post_raw_breakpoint (JavaThread *thread, Method* method, address location) NOT_JVMTI_RETURN; |
duke@435 | 278 | |
jprovino@4165 | 279 | static void post_exception_throw (JavaThread *thread, Method* method, address location, oop exception) NOT_JVMTI_RETURN; |
jprovino@4165 | 280 | static void notice_unwind_due_to_exception (JavaThread *thread, Method* method, address location, oop exception, bool in_handler_frame) NOT_JVMTI_RETURN; |
duke@435 | 281 | |
duke@435 | 282 | static oop jni_GetField_probe (JavaThread *thread, jobject jobj, |
coleenp@4037 | 283 | oop obj, Klass* klass, jfieldID fieldID, bool is_static) |
jprovino@4165 | 284 | NOT_JVMTI_RETURN_(NULL); |
duke@435 | 285 | static oop jni_GetField_probe_nh (JavaThread *thread, jobject jobj, |
coleenp@4037 | 286 | oop obj, Klass* klass, jfieldID fieldID, bool is_static) |
jprovino@4165 | 287 | NOT_JVMTI_RETURN_(NULL); |
duke@435 | 288 | static void post_field_access_by_jni (JavaThread *thread, oop obj, |
jprovino@4165 | 289 | Klass* klass, jfieldID fieldID, bool is_static) NOT_JVMTI_RETURN; |
coleenp@4037 | 290 | static void post_field_access (JavaThread *thread, Method* method, |
jprovino@4165 | 291 | address location, KlassHandle field_klass, Handle object, jfieldID field) NOT_JVMTI_RETURN; |
duke@435 | 292 | static oop jni_SetField_probe (JavaThread *thread, jobject jobj, |
coleenp@4037 | 293 | oop obj, Klass* klass, jfieldID fieldID, bool is_static, char sig_type, |
jprovino@4165 | 294 | jvalue *value) NOT_JVMTI_RETURN_(NULL); |
duke@435 | 295 | static oop jni_SetField_probe_nh (JavaThread *thread, jobject jobj, |
coleenp@4037 | 296 | oop obj, Klass* klass, jfieldID fieldID, bool is_static, char sig_type, |
jprovino@4165 | 297 | jvalue *value) NOT_JVMTI_RETURN_(NULL); |
duke@435 | 298 | static void post_field_modification_by_jni(JavaThread *thread, oop obj, |
coleenp@4037 | 299 | Klass* klass, jfieldID fieldID, bool is_static, char sig_type, |
duke@435 | 300 | jvalue *value); |
coleenp@4037 | 301 | static void post_raw_field_modification(JavaThread *thread, Method* method, |
duke@435 | 302 | address location, KlassHandle field_klass, Handle object, jfieldID field, |
jprovino@4165 | 303 | char sig_type, jvalue *value) NOT_JVMTI_RETURN; |
duke@435 | 304 | |
jprovino@4165 | 305 | static void post_method_entry (JavaThread *thread, Method* method, frame current_frame) NOT_JVMTI_RETURN; |
jprovino@4165 | 306 | static void post_method_exit (JavaThread *thread, Method* method, frame current_frame) NOT_JVMTI_RETURN; |
duke@435 | 307 | |
jprovino@4165 | 308 | static void post_class_load (JavaThread *thread, Klass* klass) NOT_JVMTI_RETURN; |
jprovino@4165 | 309 | static void post_class_unload (Klass* klass) NOT_JVMTI_RETURN; |
jprovino@4165 | 310 | static void post_class_prepare (JavaThread *thread, Klass* klass) NOT_JVMTI_RETURN; |
duke@435 | 311 | |
jprovino@4165 | 312 | static void post_thread_start (JavaThread *thread) NOT_JVMTI_RETURN; |
jprovino@4165 | 313 | static void post_thread_end (JavaThread *thread) NOT_JVMTI_RETURN; |
duke@435 | 314 | |
duke@435 | 315 | // Support for java.lang.instrument agent loading. |
duke@435 | 316 | static bool _should_post_class_file_load_hook; |
duke@435 | 317 | inline static void set_should_post_class_file_load_hook(bool on) { _should_post_class_file_load_hook = on; } |
jprovino@4165 | 318 | inline static bool should_post_class_file_load_hook() { |
jprovino@4165 | 319 | JVMTI_ONLY(return _should_post_class_file_load_hook); |
jprovino@4165 | 320 | NOT_JVMTI(return false;) |
jprovino@4165 | 321 | } |
coleenp@2497 | 322 | static void post_class_file_load_hook(Symbol* h_name, Handle class_loader, |
duke@435 | 323 | Handle h_protection_domain, |
duke@435 | 324 | unsigned char **data_ptr, unsigned char **end_ptr, |
duke@435 | 325 | unsigned char **cached_data_ptr, |
jprovino@4165 | 326 | jint *cached_length_ptr) NOT_JVMTI_RETURN; |
jprovino@4165 | 327 | static void post_native_method_bind(Method* method, address* function_ptr) NOT_JVMTI_RETURN; |
jprovino@4165 | 328 | static void post_compiled_method_load(nmethod *nm) NOT_JVMTI_RETURN; |
jprovino@4165 | 329 | static void post_dynamic_code_generated(const char *name, const void *code_begin, const void *code_end) NOT_JVMTI_RETURN; |
duke@435 | 330 | |
never@1932 | 331 | // used to post a CompiledMethodUnload event |
jprovino@4165 | 332 | static void post_compiled_method_unload(jmethodID mid, const void *code_begin) NOT_JVMTI_RETURN; |
duke@435 | 333 | |
duke@435 | 334 | // similiar to post_dynamic_code_generated except that it can be used to |
duke@435 | 335 | // post a DynamicCodeGenerated event while holding locks in the VM. Any event |
duke@435 | 336 | // posted using this function is recorded by the enclosing event collector |
duke@435 | 337 | // -- JvmtiDynamicCodeEventCollector. |
jprovino@4165 | 338 | static void post_dynamic_code_generated_while_holding_locks(const char* name, address code_begin, address code_end) NOT_JVMTI_RETURN; |
duke@435 | 339 | |
jprovino@4165 | 340 | static void post_garbage_collection_finish() NOT_JVMTI_RETURN; |
jprovino@4165 | 341 | static void post_garbage_collection_start() NOT_JVMTI_RETURN; |
jprovino@4165 | 342 | static void post_data_dump() NOT_JVMTI_RETURN; |
jprovino@4165 | 343 | static void post_monitor_contended_enter(JavaThread *thread, ObjectMonitor *obj_mntr) NOT_JVMTI_RETURN; |
jprovino@4165 | 344 | static void post_monitor_contended_entered(JavaThread *thread, ObjectMonitor *obj_mntr) NOT_JVMTI_RETURN; |
jprovino@4165 | 345 | static void post_monitor_wait(JavaThread *thread, oop obj, jlong timeout) NOT_JVMTI_RETURN; |
jprovino@4165 | 346 | static void post_monitor_waited(JavaThread *thread, ObjectMonitor *obj_mntr, jboolean timed_out) NOT_JVMTI_RETURN; |
jprovino@4165 | 347 | static void post_object_free(JvmtiEnv* env, jlong tag) NOT_JVMTI_RETURN; |
jprovino@4165 | 348 | static void post_resource_exhausted(jint resource_exhausted_flags, const char* detail) NOT_JVMTI_RETURN; |
jprovino@4165 | 349 | static void record_vm_internal_object_allocation(oop object) NOT_JVMTI_RETURN; |
duke@435 | 350 | // Post objects collected by vm_object_alloc_event_collector. |
jprovino@4165 | 351 | static void post_vm_object_alloc(JavaThread *thread, oop object) NOT_JVMTI_RETURN; |
duke@435 | 352 | // Collects vm internal objects for later event posting. |
duke@435 | 353 | inline static void vm_object_alloc_event_collector(oop object) { |
duke@435 | 354 | if (should_post_vm_object_alloc()) { |
duke@435 | 355 | record_vm_internal_object_allocation(object); |
duke@435 | 356 | } |
duke@435 | 357 | } |
sspitsyn@3638 | 358 | inline static void post_array_size_exhausted() { |
sspitsyn@3638 | 359 | if (should_post_resource_exhausted()) { |
sspitsyn@3638 | 360 | post_resource_exhausted(JVMTI_RESOURCE_EXHAUSTED_OOM_ERROR, |
sspitsyn@3638 | 361 | "Requested array size exceeds VM limit"); |
sspitsyn@3638 | 362 | } |
sspitsyn@3638 | 363 | } |
duke@435 | 364 | |
jprovino@4165 | 365 | static void cleanup_thread (JavaThread* thread) NOT_JVMTI_RETURN; |
duke@435 | 366 | |
jprovino@4165 | 367 | static void oops_do(OopClosure* f) NOT_JVMTI_RETURN; |
jprovino@4165 | 368 | static void weak_oops_do(BoolObjectClosure* b, OopClosure* f) NOT_JVMTI_RETURN; |
jprovino@4165 | 369 | static void gc_epilogue() NOT_JVMTI_RETURN; |
duke@435 | 370 | |
jprovino@4165 | 371 | static void transition_pending_onload_raw_monitors() NOT_JVMTI_RETURN; |
duke@435 | 372 | |
duke@435 | 373 | // attach support |
jprovino@4165 | 374 | static jint load_agent_library(AttachOperation* op, outputStream* out) NOT_JVMTI_RETURN_(JNI_ERR); |
duke@435 | 375 | |
duke@435 | 376 | // SetNativeMethodPrefix support |
jprovino@4165 | 377 | static char** get_all_native_method_prefixes(int* count_ptr) NOT_JVMTI_RETURN_(NULL); |
duke@435 | 378 | }; |
duke@435 | 379 | |
duke@435 | 380 | // Support class used by JvmtiDynamicCodeEventCollector and others. It |
duke@435 | 381 | // describes a single code blob by name and address range. |
zgu@3900 | 382 | class JvmtiCodeBlobDesc : public CHeapObj<mtInternal> { |
duke@435 | 383 | private: |
duke@435 | 384 | char _name[64]; |
duke@435 | 385 | address _code_begin; |
duke@435 | 386 | address _code_end; |
duke@435 | 387 | |
duke@435 | 388 | public: |
duke@435 | 389 | JvmtiCodeBlobDesc(const char *name, address code_begin, address code_end) { |
duke@435 | 390 | assert(name != NULL, "all code blobs must be named"); |
duke@435 | 391 | strncpy(_name, name, sizeof(_name)); |
duke@435 | 392 | _name[sizeof(_name)-1] = '\0'; |
duke@435 | 393 | _code_begin = code_begin; |
duke@435 | 394 | _code_end = code_end; |
duke@435 | 395 | } |
duke@435 | 396 | char* name() { return _name; } |
duke@435 | 397 | address code_begin() { return _code_begin; } |
duke@435 | 398 | address code_end() { return _code_end; } |
duke@435 | 399 | }; |
duke@435 | 400 | |
duke@435 | 401 | // JvmtiEventCollector is a helper class to setup thread for |
duke@435 | 402 | // event collection. |
duke@435 | 403 | class JvmtiEventCollector : public StackObj { |
duke@435 | 404 | private: |
duke@435 | 405 | JvmtiEventCollector* _prev; // Save previous one to support nested event collector. |
duke@435 | 406 | |
duke@435 | 407 | public: |
duke@435 | 408 | void setup_jvmti_thread_state(); // Set this collector in current thread. |
duke@435 | 409 | void unset_jvmti_thread_state(); // Reset previous collector in current thread. |
duke@435 | 410 | virtual bool is_dynamic_code_event() { return false; } |
duke@435 | 411 | virtual bool is_vm_object_alloc_event(){ return false; } |
duke@435 | 412 | JvmtiEventCollector *get_prev() { return _prev; } |
duke@435 | 413 | }; |
duke@435 | 414 | |
duke@435 | 415 | // A JvmtiDynamicCodeEventCollector is a helper class for the JvmtiExport |
duke@435 | 416 | // interface. It collects "dynamic code generated" events that are posted |
duke@435 | 417 | // while holding locks. When the event collector goes out of scope the |
duke@435 | 418 | // events will be posted. |
duke@435 | 419 | // |
duke@435 | 420 | // Usage :- |
duke@435 | 421 | // |
duke@435 | 422 | // { |
duke@435 | 423 | // JvmtiDynamicCodeEventCollector event_collector; |
duke@435 | 424 | // : |
duke@435 | 425 | // { MutexLocker ml(...) |
duke@435 | 426 | // : |
duke@435 | 427 | // JvmtiExport::post_dynamic_code_generated_while_holding_locks(...) |
duke@435 | 428 | // } |
duke@435 | 429 | // // event collector goes out of scope => post events to profiler. |
duke@435 | 430 | // } |
duke@435 | 431 | |
duke@435 | 432 | class JvmtiDynamicCodeEventCollector : public JvmtiEventCollector { |
duke@435 | 433 | private: |
duke@435 | 434 | GrowableArray<JvmtiCodeBlobDesc*>* _code_blobs; // collected code blob events |
duke@435 | 435 | |
duke@435 | 436 | friend class JvmtiExport; |
duke@435 | 437 | void register_stub(const char* name, address start, address end); |
duke@435 | 438 | |
duke@435 | 439 | public: |
jprovino@4165 | 440 | JvmtiDynamicCodeEventCollector() NOT_JVMTI_RETURN; |
jprovino@4165 | 441 | ~JvmtiDynamicCodeEventCollector() NOT_JVMTI_RETURN; |
duke@435 | 442 | bool is_dynamic_code_event() { return true; } |
duke@435 | 443 | |
duke@435 | 444 | }; |
duke@435 | 445 | |
duke@435 | 446 | // Used to record vm internally allocated object oops and post |
duke@435 | 447 | // vm object alloc event for objects visible to java world. |
duke@435 | 448 | // Constructor enables JvmtiThreadState flag and all vm allocated |
duke@435 | 449 | // objects are recorded in a growable array. When destructor is |
duke@435 | 450 | // called the vm object alloc event is posted for each objects |
duke@435 | 451 | // visible to java world. |
duke@435 | 452 | // See jvm.cpp file for its usage. |
duke@435 | 453 | // |
duke@435 | 454 | class JvmtiVMObjectAllocEventCollector : public JvmtiEventCollector { |
duke@435 | 455 | private: |
duke@435 | 456 | GrowableArray<oop>* _allocated; // field to record vm internally allocated object oop. |
duke@435 | 457 | bool _enable; // This flag is enabled in constructor and disabled |
duke@435 | 458 | // in destructor before posting event. To avoid |
duke@435 | 459 | // collection of objects allocated while running java code inside |
duke@435 | 460 | // agent post_vm_object_alloc() event handler. |
duke@435 | 461 | |
duke@435 | 462 | //GC support |
duke@435 | 463 | void oops_do(OopClosure* f); |
duke@435 | 464 | |
duke@435 | 465 | friend class JvmtiExport; |
duke@435 | 466 | // Record vm allocated object oop. |
duke@435 | 467 | inline void record_allocation(oop obj); |
duke@435 | 468 | |
duke@435 | 469 | //GC support |
duke@435 | 470 | static void oops_do_for_all_threads(OopClosure* f); |
duke@435 | 471 | |
duke@435 | 472 | public: |
jprovino@4165 | 473 | JvmtiVMObjectAllocEventCollector() NOT_JVMTI_RETURN; |
jprovino@4165 | 474 | ~JvmtiVMObjectAllocEventCollector() NOT_JVMTI_RETURN; |
duke@435 | 475 | bool is_vm_object_alloc_event() { return true; } |
duke@435 | 476 | |
duke@435 | 477 | bool is_enabled() { return _enable; } |
duke@435 | 478 | void set_enabled(bool on) { _enable = on; } |
duke@435 | 479 | }; |
duke@435 | 480 | |
duke@435 | 481 | |
duke@435 | 482 | |
duke@435 | 483 | // Marker class to disable the posting of VMObjectAlloc events |
duke@435 | 484 | // within its scope. |
duke@435 | 485 | // |
duke@435 | 486 | // Usage :- |
duke@435 | 487 | // |
duke@435 | 488 | // { |
duke@435 | 489 | // NoJvmtiVMObjectAllocMark njm; |
duke@435 | 490 | // : |
duke@435 | 491 | // // VMObjAlloc event will not be posted |
duke@435 | 492 | // JvmtiExport::vm_object_alloc_event_collector(obj); |
duke@435 | 493 | // : |
duke@435 | 494 | // } |
duke@435 | 495 | |
duke@435 | 496 | class NoJvmtiVMObjectAllocMark : public StackObj { |
duke@435 | 497 | private: |
duke@435 | 498 | // enclosing collector if enabled, NULL otherwise |
duke@435 | 499 | JvmtiVMObjectAllocEventCollector *_collector; |
duke@435 | 500 | |
duke@435 | 501 | bool was_enabled() { return _collector != NULL; } |
duke@435 | 502 | |
duke@435 | 503 | public: |
jprovino@4165 | 504 | NoJvmtiVMObjectAllocMark() NOT_JVMTI_RETURN; |
jprovino@4165 | 505 | ~NoJvmtiVMObjectAllocMark() NOT_JVMTI_RETURN; |
duke@435 | 506 | }; |
duke@435 | 507 | |
duke@435 | 508 | |
duke@435 | 509 | // Base class for reporting GC events to JVMTI. |
duke@435 | 510 | class JvmtiGCMarker : public StackObj { |
kamg@2445 | 511 | public: |
jprovino@4165 | 512 | JvmtiGCMarker() NOT_JVMTI_RETURN; |
jprovino@4165 | 513 | ~JvmtiGCMarker() NOT_JVMTI_RETURN; |
duke@435 | 514 | }; |
duke@435 | 515 | |
duke@435 | 516 | // JvmtiHideSingleStepping is a helper class for hiding |
duke@435 | 517 | // internal single step events. |
duke@435 | 518 | class JvmtiHideSingleStepping : public StackObj { |
duke@435 | 519 | private: |
duke@435 | 520 | bool _single_step_hidden; |
duke@435 | 521 | JavaThread * _thread; |
duke@435 | 522 | |
duke@435 | 523 | public: |
duke@435 | 524 | JvmtiHideSingleStepping(JavaThread * thread) { |
duke@435 | 525 | assert(thread != NULL, "sanity check"); |
duke@435 | 526 | |
duke@435 | 527 | _single_step_hidden = false; |
duke@435 | 528 | _thread = thread; |
duke@435 | 529 | if (JvmtiExport::should_post_single_step()) { |
duke@435 | 530 | _single_step_hidden = JvmtiExport::hide_single_stepping(_thread); |
duke@435 | 531 | } |
duke@435 | 532 | } |
duke@435 | 533 | |
duke@435 | 534 | ~JvmtiHideSingleStepping() { |
duke@435 | 535 | if (_single_step_hidden) { |
duke@435 | 536 | JvmtiExport::expose_single_stepping(_thread); |
duke@435 | 537 | } |
duke@435 | 538 | } |
duke@435 | 539 | }; |
duke@435 | 540 | |
stefank@2314 | 541 | #endif // SHARE_VM_PRIMS_JVMTIEXPORT_HPP |