You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
284 lines
10 KiB
284 lines
10 KiB
4 months ago
|
/*
|
||
|
|
* Copyright (C) 2017 The Android Open Source Project
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "jvmti_helper.h"
|
||
|
|
#include "jvmti.h"
|
||
|
|
#include "test_env.h"
|
||
|
|
|
||
|
|
#include <dlfcn.h>
|
||
|
|
|
||
|
|
#include <algorithm>
|
||
|
|
#include <cstdio>
|
||
|
|
#include <cstring>
|
||
|
|
#include <sstream>
|
||
|
|
|
||
|
|
#include "android-base/logging.h"
|
||
|
|
#include "scoped_local_ref.h"
|
||
|
|
|
||
|
|
namespace art {
|
||
|
|
|
||
|
|
void CheckJvmtiError(jvmtiEnv* env, jvmtiError error) {
|
||
|
|
if (error != JVMTI_ERROR_NONE) {
|
||
|
|
char* error_name;
|
||
|
|
jvmtiError name_error = env->GetErrorName(error, &error_name);
|
||
|
|
if (name_error != JVMTI_ERROR_NONE) {
|
||
|
|
LOG(FATAL) << "Unable to get error name for " << error;
|
||
|
|
}
|
||
|
|
LOG(FATAL) << "Unexpected error: " << error_name;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// These are a set of capabilities we will enable in all situations. These are chosen since they
|
||
|
|
// will not affect the runtime in any significant way if they are enabled.
|
||
|
|
static const jvmtiCapabilities standard_caps = {
|
||
|
|
.can_tag_objects = 1,
|
||
|
|
.can_generate_field_modification_events = 1,
|
||
|
|
.can_generate_field_access_events = 1,
|
||
|
|
.can_get_bytecodes = 1,
|
||
|
|
.can_get_synthetic_attribute = 1,
|
||
|
|
.can_get_owned_monitor_info = 0,
|
||
|
|
.can_get_current_contended_monitor = 1,
|
||
|
|
.can_get_monitor_info = 1,
|
||
|
|
.can_pop_frame = 0,
|
||
|
|
.can_redefine_classes = 1,
|
||
|
|
.can_signal_thread = 1,
|
||
|
|
.can_get_source_file_name = 1,
|
||
|
|
.can_get_line_numbers = 1,
|
||
|
|
.can_get_source_debug_extension = 1,
|
||
|
|
.can_access_local_variables = 0,
|
||
|
|
.can_maintain_original_method_order = 1,
|
||
|
|
.can_generate_single_step_events = 1,
|
||
|
|
.can_generate_exception_events = 0,
|
||
|
|
.can_generate_frame_pop_events = 0,
|
||
|
|
.can_generate_breakpoint_events = 1,
|
||
|
|
.can_suspend = 1,
|
||
|
|
.can_redefine_any_class = 0,
|
||
|
|
.can_get_current_thread_cpu_time = 0,
|
||
|
|
.can_get_thread_cpu_time = 0,
|
||
|
|
.can_generate_method_entry_events = 1,
|
||
|
|
.can_generate_method_exit_events = 1,
|
||
|
|
.can_generate_all_class_hook_events = 0,
|
||
|
|
.can_generate_compiled_method_load_events = 0,
|
||
|
|
.can_generate_monitor_events = 0,
|
||
|
|
.can_generate_vm_object_alloc_events = 1,
|
||
|
|
.can_generate_native_method_bind_events = 1,
|
||
|
|
.can_generate_garbage_collection_events = 1,
|
||
|
|
.can_generate_object_free_events = 1,
|
||
|
|
.can_force_early_return = 0,
|
||
|
|
.can_get_owned_monitor_stack_depth_info = 0,
|
||
|
|
.can_get_constant_pool = 0,
|
||
|
|
.can_set_native_method_prefix = 0,
|
||
|
|
.can_retransform_classes = 1,
|
||
|
|
.can_retransform_any_class = 0,
|
||
|
|
.can_generate_resource_exhaustion_heap_events = 0,
|
||
|
|
.can_generate_resource_exhaustion_threads_events = 0,
|
||
|
|
};
|
||
|
|
|
||
|
|
jvmtiCapabilities GetStandardCapabilities() {
|
||
|
|
return standard_caps;
|
||
|
|
}
|
||
|
|
|
||
|
|
void SetStandardCapabilities(jvmtiEnv* env) {
|
||
|
|
if (IsJVM()) {
|
||
|
|
// RI is more strict about adding capabilities at runtime then ART so just give it everything.
|
||
|
|
SetAllCapabilities(env);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
jvmtiCapabilities caps = GetStandardCapabilities();
|
||
|
|
CheckJvmtiError(env, env->AddCapabilities(&caps));
|
||
|
|
}
|
||
|
|
|
||
|
|
void SetAllCapabilities(jvmtiEnv* env) {
|
||
|
|
jvmtiCapabilities caps;
|
||
|
|
CheckJvmtiError(env, env->GetPotentialCapabilities(&caps));
|
||
|
|
CheckJvmtiError(env, env->AddCapabilities(&caps));
|
||
|
|
}
|
||
|
|
|
||
|
|
bool JvmtiErrorToException(JNIEnv* env, jvmtiEnv* jvmtienv, jvmtiError error) {
|
||
|
|
if (error == JVMTI_ERROR_NONE) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
ScopedLocalRef<jclass> rt_exception(env, env->FindClass("java/lang/RuntimeException"));
|
||
|
|
if (rt_exception.get() == nullptr) {
|
||
|
|
// CNFE should be pending.
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
char* err;
|
||
|
|
CheckJvmtiError(jvmtienv, jvmtienv->GetErrorName(error, &err));
|
||
|
|
|
||
|
|
env->ThrowNew(rt_exception.get(), err);
|
||
|
|
|
||
|
|
Deallocate(jvmtienv, err);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
std::ostream& operator<<(std::ostream& os, const jvmtiError& rhs) {
|
||
|
|
switch (rhs) {
|
||
|
|
case JVMTI_ERROR_NONE:
|
||
|
|
return os << "NONE";
|
||
|
|
case JVMTI_ERROR_INVALID_THREAD:
|
||
|
|
return os << "INVALID_THREAD";
|
||
|
|
case JVMTI_ERROR_INVALID_THREAD_GROUP:
|
||
|
|
return os << "INVALID_THREAD_GROUP";
|
||
|
|
case JVMTI_ERROR_INVALID_PRIORITY:
|
||
|
|
return os << "INVALID_PRIORITY";
|
||
|
|
case JVMTI_ERROR_THREAD_NOT_SUSPENDED:
|
||
|
|
return os << "THREAD_NOT_SUSPENDED";
|
||
|
|
case JVMTI_ERROR_THREAD_SUSPENDED:
|
||
|
|
return os << "THREAD_SUSPENDED";
|
||
|
|
case JVMTI_ERROR_THREAD_NOT_ALIVE:
|
||
|
|
return os << "THREAD_NOT_ALIVE";
|
||
|
|
case JVMTI_ERROR_INVALID_OBJECT:
|
||
|
|
return os << "INVALID_OBJECT";
|
||
|
|
case JVMTI_ERROR_INVALID_CLASS:
|
||
|
|
return os << "INVALID_CLASS";
|
||
|
|
case JVMTI_ERROR_CLASS_NOT_PREPARED:
|
||
|
|
return os << "CLASS_NOT_PREPARED";
|
||
|
|
case JVMTI_ERROR_INVALID_METHODID:
|
||
|
|
return os << "INVALID_METHODID";
|
||
|
|
case JVMTI_ERROR_INVALID_LOCATION:
|
||
|
|
return os << "INVALID_LOCATION";
|
||
|
|
case JVMTI_ERROR_INVALID_FIELDID:
|
||
|
|
return os << "INVALID_FIELDID";
|
||
|
|
case JVMTI_ERROR_NO_MORE_FRAMES:
|
||
|
|
return os << "NO_MORE_FRAMES";
|
||
|
|
case JVMTI_ERROR_OPAQUE_FRAME:
|
||
|
|
return os << "OPAQUE_FRAME";
|
||
|
|
case JVMTI_ERROR_TYPE_MISMATCH:
|
||
|
|
return os << "TYPE_MISMATCH";
|
||
|
|
case JVMTI_ERROR_INVALID_SLOT:
|
||
|
|
return os << "INVALID_SLOT";
|
||
|
|
case JVMTI_ERROR_DUPLICATE:
|
||
|
|
return os << "DUPLICATE";
|
||
|
|
case JVMTI_ERROR_NOT_FOUND:
|
||
|
|
return os << "NOT_FOUND";
|
||
|
|
case JVMTI_ERROR_INVALID_MONITOR:
|
||
|
|
return os << "INVALID_MONITOR";
|
||
|
|
case JVMTI_ERROR_NOT_MONITOR_OWNER:
|
||
|
|
return os << "NOT_MONITOR_OWNER";
|
||
|
|
case JVMTI_ERROR_INTERRUPT:
|
||
|
|
return os << "INTERRUPT";
|
||
|
|
case JVMTI_ERROR_INVALID_CLASS_FORMAT:
|
||
|
|
return os << "INVALID_CLASS_FORMAT";
|
||
|
|
case JVMTI_ERROR_CIRCULAR_CLASS_DEFINITION:
|
||
|
|
return os << "CIRCULAR_CLASS_DEFINITION";
|
||
|
|
case JVMTI_ERROR_FAILS_VERIFICATION:
|
||
|
|
return os << "FAILS_VERIFICATION";
|
||
|
|
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_ADDED:
|
||
|
|
return os << "UNSUPPORTED_REDEFINITION_METHOD_ADDED";
|
||
|
|
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_SCHEMA_CHANGED:
|
||
|
|
return os << "UNSUPPORTED_REDEFINITION_SCHEMA_CHANGED";
|
||
|
|
case JVMTI_ERROR_INVALID_TYPESTATE:
|
||
|
|
return os << "INVALID_TYPESTATE";
|
||
|
|
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED:
|
||
|
|
return os << "UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED";
|
||
|
|
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_DELETED:
|
||
|
|
return os << "UNSUPPORTED_REDEFINITION_METHOD_DELETED";
|
||
|
|
case JVMTI_ERROR_UNSUPPORTED_VERSION:
|
||
|
|
return os << "UNSUPPORTED_VERSION";
|
||
|
|
case JVMTI_ERROR_NAMES_DONT_MATCH:
|
||
|
|
return os << "NAMES_DONT_MATCH";
|
||
|
|
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_CLASS_MODIFIERS_CHANGED:
|
||
|
|
return os << "UNSUPPORTED_REDEFINITION_CLASS_MODIFIERS_CHANGED";
|
||
|
|
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_MODIFIERS_CHANGED:
|
||
|
|
return os << "UNSUPPORTED_REDEFINITION_METHOD_MODIFIERS_CHANGED";
|
||
|
|
case JVMTI_ERROR_UNMODIFIABLE_CLASS:
|
||
|
|
return os << "JVMTI_ERROR_UNMODIFIABLE_CLASS";
|
||
|
|
case JVMTI_ERROR_NOT_AVAILABLE:
|
||
|
|
return os << "NOT_AVAILABLE";
|
||
|
|
case JVMTI_ERROR_MUST_POSSESS_CAPABILITY:
|
||
|
|
return os << "MUST_POSSESS_CAPABILITY";
|
||
|
|
case JVMTI_ERROR_NULL_POINTER:
|
||
|
|
return os << "NULL_POINTER";
|
||
|
|
case JVMTI_ERROR_ABSENT_INFORMATION:
|
||
|
|
return os << "ABSENT_INFORMATION";
|
||
|
|
case JVMTI_ERROR_INVALID_EVENT_TYPE:
|
||
|
|
return os << "INVALID_EVENT_TYPE";
|
||
|
|
case JVMTI_ERROR_ILLEGAL_ARGUMENT:
|
||
|
|
return os << "ILLEGAL_ARGUMENT";
|
||
|
|
case JVMTI_ERROR_NATIVE_METHOD:
|
||
|
|
return os << "NATIVE_METHOD";
|
||
|
|
case JVMTI_ERROR_CLASS_LOADER_UNSUPPORTED:
|
||
|
|
return os << "CLASS_LOADER_UNSUPPORTED";
|
||
|
|
case JVMTI_ERROR_OUT_OF_MEMORY:
|
||
|
|
return os << "OUT_OF_MEMORY";
|
||
|
|
case JVMTI_ERROR_ACCESS_DENIED:
|
||
|
|
return os << "ACCESS_DENIED";
|
||
|
|
case JVMTI_ERROR_WRONG_PHASE:
|
||
|
|
return os << "WRONG_PHASE";
|
||
|
|
case JVMTI_ERROR_INTERNAL:
|
||
|
|
return os << "INTERNAL";
|
||
|
|
case JVMTI_ERROR_UNATTACHED_THREAD:
|
||
|
|
return os << "UNATTACHED_THREAD";
|
||
|
|
case JVMTI_ERROR_INVALID_ENVIRONMENT:
|
||
|
|
return os << "INVALID_ENVIRONMENT";
|
||
|
|
}
|
||
|
|
LOG(FATAL) << "Unexpected error type " << static_cast<int>(rhs);
|
||
|
|
__builtin_unreachable();
|
||
|
|
}
|
||
|
|
|
||
|
|
void DeallocParams(jvmtiEnv* env, jvmtiParamInfo* params, jint n_params) {
|
||
|
|
for (jint i = 0; i < n_params; i++) {
|
||
|
|
Dealloc(env, params[i].name);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
jint GetExtensionEventId(jvmtiEnv* jvmti, const std::string_view& name) {
|
||
|
|
jint n_ext = 0;
|
||
|
|
jint res = -1;
|
||
|
|
bool found_res = false;
|
||
|
|
jvmtiExtensionEventInfo* infos = nullptr;
|
||
|
|
CHECK_EQ(jvmti->GetExtensionEvents(&n_ext, &infos), JVMTI_ERROR_NONE);
|
||
|
|
for (jint i = 0; i < n_ext; i++) {
|
||
|
|
const jvmtiExtensionEventInfo& info = infos[i];
|
||
|
|
if (name == info.id) {
|
||
|
|
res = info.extension_event_index;
|
||
|
|
found_res = true;
|
||
|
|
}
|
||
|
|
DeallocParams(jvmti, info.params, info.param_count);
|
||
|
|
Dealloc(jvmti, info.short_description, info.id, info.params);
|
||
|
|
}
|
||
|
|
Dealloc(jvmti, infos);
|
||
|
|
CHECK(found_res);
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
|
||
|
|
void* GetExtensionFunctionVoid(JNIEnv* env, jvmtiEnv* jvmti, const std::string_view& name) {
|
||
|
|
jint n_ext = 0;
|
||
|
|
void* res = nullptr;
|
||
|
|
jvmtiExtensionFunctionInfo* infos = nullptr;
|
||
|
|
if (JvmtiErrorToException(env, jvmti, jvmti->GetExtensionFunctions(&n_ext, &infos))) {
|
||
|
|
return nullptr;
|
||
|
|
}
|
||
|
|
for (jint i = 0; i < n_ext; i++) {
|
||
|
|
const jvmtiExtensionFunctionInfo& info = infos[i];
|
||
|
|
if (name == info.id) {
|
||
|
|
res = reinterpret_cast<void*>(info.func);
|
||
|
|
}
|
||
|
|
DeallocParams(jvmti, info.params, info.param_count);
|
||
|
|
Dealloc(jvmti, info.short_description, info.errors, info.id, info.params);
|
||
|
|
}
|
||
|
|
Dealloc(jvmti, infos);
|
||
|
|
if (res == nullptr) {
|
||
|
|
JvmtiErrorToException(env, jvmti, JVMTI_ERROR_NOT_FOUND);
|
||
|
|
}
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace art
|