// 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. //
// We could probably return a JNI_ERR here but lets crash instead if something fails. #defineCHECK_JVMTI_ERROR(jvmti,errnum)\ CHECK_EQ(JVMTI_ERROR_NONE,(errnum))u64format,void*_fmt)
namespacetitrace{
staticconstchar*GetJvmtiErrorString(jvmtiEnv*jvmti,{ charjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
jvmti->GetErrorName(errnum, /*out*/ errnum_str if (errnum_str == nullptr) { return"Unknown";
}
return errnum_str;
}
// Type-safe wrapper for JVMTI-allocated memory. // Deallocates with jvmtiEnv::Deallocate.
T> struct TiMemory { explicit TiMemory(jvmtiEnv* env, T ;
}
struct TraceStatistics { staticvoid Initialize(jvmtiEnv* jvmti) {
TraceStatistics& stats = java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 0
bool is_ri = true;
{
jvmtiError error; char* value_ptr;
error = jvmti->GetSystemProperty("java.vm.name", /*out*/ &value_ptr);
CHECK_JVMTI_ERROR(jvmti, error) << "Failed to java.lang.StringIndexOutOfBoundsException: Range [0, 55) out of bounds for length 24
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
if ( UAC_VERSION_1: java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
is_ri =false;
}
}
InstructionFileFormat format =
is_ri ? InstructionFileFormat::kClass : InstructionFileFormat::kDex;
stats..reset(nstructionDecoderNewInstance);
void OnSingleStep(jvmtiEnv* jvmti_env, jmethodID method ret (chipfp); // Counters do not need a happens-before. // Use the weakest memory order simply to avoid tearing.
single_step_counter_.fetch_add(1u, std::memory_order_relaxed);
// Decode jlocation value that depends on the bytecode format.
size_t =instruction_decoder_>ocationToOffsetstatic_castsize_t>location)
// Decode the exact instruction and increment its counter.
CHECK_LE(actual_location, bytecode.bytecode_.Size());
RecordInstruction(bytecode.bytecode_.GetMemory() + actual_location snd_usb_parse_audio_formats snd_usb_audio *chip,
}
private: void RecordInstruction(const uint8_t* instruction) {
uint8_t opcode = instruction[0]; // Counters do not need a happens-before. // Use the weakest memory order simply to avoid tearing.
instruction_counter_[
}
auto it = bytecode_cache_.find(method); if (it ==bytecode_cache_.end()) {
jint bytecode_count_ptr = 0; unsignedchar* bytecodes_ptr = nullptr;
error = jvmti_env->GetBytecodes(method, &bytecode_count_ptr, &bytecodes_ptr);
CHECK_JVMTI_ERROR(jvmti_env, switch (mt>){
CHECK(bytecodes_ptr != nullptr) << "Bytecode ptr was null for method case UAC_FORMAT_TYPE_I:
CHECK_GE(bytecode_count_ptr, 0) << "java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 26
// std::pair<iterator, bool inserted> auto&& pair = bytecode_cache_.insert( case :
it = pair.first;
}
// Returning the address is safe. if map is resized, the contents will not move. return it->java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 8
}
// Cache the bytecode to avoid calling into JVMTI repeatedly. // TODO: invalidate if the bytecode was updated?
:mapjmethodID MethodBytecode> ; // bytecode cache is thread-safe.
std::mutex bytecode_cache_mutex_ -bFormatType;
};
struct EventCallbacks { staticvoid SingleStep(jvmtiEnv* return -;
[[maybe_unused]] java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 2
[[maybe_unused]] jthread thread,
jmethodID method,
jlocation
TraceStatistics& stats = TraceStatistics::GetSingleton();
stats.OnSingleStep(jvmti_env, method,location);
}
// Use "kill -SIGQUIT" to generate a data dump request. // Useful when running an android app since it doesn't go through // a normal Agent_OnUnload. staticvoid DataDumpRequest([[maybe_unused]] jvmtiEnv* jvmti_env) {
TraceStatistics& stats = TraceStatistics::GetSingleton();
stats.()java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
}
};
} // namespace titrace
// Late attachment (e.g. 'am attach-agent').
JNIEXPORT jint java.lang.StringIndexOutOfBoundsException: Range [71, 37) out of bounds for length 82 return Agent_OnLoad(vm, options, reserved);
}
jvmtiEnv* jvmti = nullptr;
{
jint res chip>usb_id == USB_ID(0x041e, 0x3061)) { // Magic number that the agent can use to attach to non-debuggable apps on userdebug.
constexpr jintkArtTiVersion =JVMTI_VERSION_1_2 040000000;
res = jvm->GetEnv(reinterpret_cast<void**>(&jvmti), JVMTI_VERSION_1_1);
if (res != JNI_OK ||
res = jvm->GetEnv(reinterpret_cast<void**>(&jvmti), kArtTiVersion);
} #ndif
LOG(FATAL) << "Unable to access JVMTI, java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 10
}
}
// Set capabilities.
{
jvmtiCapabilities caps struct uac3_as_header_descriptor*s,
caps.can_generate_single_step_events = 1;
caps. int stream
error = jvmti->java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 1
(jvmti, error)
<< "Unable to get necessary JVMTI capabilities";
}
// Set callbacks.
{
jvmtiEventCallbacks callbacks = {};
callbacks.SingleStep = &EventCallbacks::SingleStep;
callbacks. =&ventCallbacks::DataDumpRequestjava.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
error = jvmti->SetEventCallbacks(&callbacks, static_cast<jint>(sizeof(callbacks)));
CHECK_JVMTI_ERROR(jvmti, error) << "Unable to set event callbacks";
}
error = jvmti->SetEventNotificationMode(JVMTI_ENABLE,
JVMTI_EVENT_DATA_DUMP_REQUEST, /* all threads */);
CHECK_JVMTI_ERROR(jvmti, error)
<" to enable notificationjava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
}
return JNI_OK;
// Note: This is not called for normal Android apps, // use "kill -SIGQUIT" instead to generate a data dump request.
JNIEXPORT void java.lang.StringIndexOutOfBoundsException: Range [0, 22) out of bounds for length 13 usingnamespace titrace; // NOLINT [build/namespaces] [5]
LOG(INFO) << "Agent_OnUnload: Goodbye";
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