| /* |
| * Copyright (c) 2011, 2020, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include "precompiled.hpp" |
| #include "classfile/classLoaderData.inline.hpp" |
| #include "classfile/javaClasses.inline.hpp" |
| #include "classfile/stringTable.hpp" |
| #include "classfile/symbolTable.hpp" |
| #include "code/scopeDesc.hpp" |
| #include "compiler/compileBroker.hpp" |
| #include "compiler/compilerEvent.hpp" |
| #include "compiler/disassembler.hpp" |
| #include "interpreter/linkResolver.hpp" |
| #include "interpreter/bytecodeStream.hpp" |
| #include "jfr/jfrEvents.hpp" |
| #include "jvmci/jvmciCompilerToVM.hpp" |
| #include "jvmci/jvmciCodeInstaller.hpp" |
| #include "jvmci/jvmciRuntime.hpp" |
| #include "logging/log.hpp" |
| #include "logging/logTag.hpp" |
| #include "memory/oopFactory.hpp" |
| #include "memory/universe.hpp" |
| #include "oops/constantPool.inline.hpp" |
| #include "oops/method.inline.hpp" |
| #include "oops/typeArrayOop.inline.hpp" |
| #include "prims/nativeLookup.hpp" |
| #include "runtime/atomic.hpp" |
| #include "runtime/deoptimization.hpp" |
| #include "runtime/fieldDescriptor.inline.hpp" |
| #include "runtime/frame.inline.hpp" |
| #include "runtime/interfaceSupport.inline.hpp" |
| #include "runtime/jniHandles.inline.hpp" |
| #include "runtime/timerTrace.hpp" |
| #include "runtime/vframe_hp.hpp" |
| |
| JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) { |
| _thread = thread; |
| _klass = klass; |
| if (klass != NULL) { |
| _holder = Handle(_thread, klass->klass_holder()); |
| } |
| } |
| |
| JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) { |
| _klass = klass; |
| if (klass != NULL) { |
| _holder = Handle(_thread, klass->klass_holder()); |
| } |
| return *this; |
| } |
| |
| static void requireInHotSpot(const char* caller, JVMCI_TRAPS) { |
| if (!JVMCIENV->is_hotspot()) { |
| JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot call %s from JVMCI shared library", caller)); |
| } |
| } |
| |
| void JNIHandleMark::push_jni_handle_block(JavaThread* thread) { |
| if (thread != NULL) { |
| // Allocate a new block for JNI handles. |
| // Inlined code from jni_PushLocalFrame() |
| JNIHandleBlock* java_handles = thread->active_handles(); |
| JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread); |
| assert(compile_handles != NULL && java_handles != NULL, "should not be NULL"); |
| compile_handles->set_pop_frame_link(java_handles); |
| thread->set_active_handles(compile_handles); |
| } |
| } |
| |
| void JNIHandleMark::pop_jni_handle_block(JavaThread* thread) { |
| if (thread != NULL) { |
| // Release our JNI handle block |
| JNIHandleBlock* compile_handles = thread->active_handles(); |
| JNIHandleBlock* java_handles = compile_handles->pop_frame_link(); |
| thread->set_active_handles(java_handles); |
| compile_handles->set_pop_frame_link(NULL); |
| JNIHandleBlock::release_block(compile_handles, thread); // may block |
| } |
| } |
| |
| class JVMCITraceMark : public StackObj { |
| const char* _msg; |
| public: |
| JVMCITraceMark(const char* msg) { |
| _msg = msg; |
| if (JVMCITraceLevel >= 1) { |
| tty->print_cr(PTR_FORMAT " JVMCITrace-1: Enter %s", p2i(JavaThread::current()), _msg); |
| } |
| } |
| ~JVMCITraceMark() { |
| if (JVMCITraceLevel >= 1) { |
| tty->print_cr(PTR_FORMAT " JVMCITrace-1: Exit %s", p2i(JavaThread::current()), _msg); |
| } |
| } |
| }; |
| |
| |
| Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) { |
| assert(_index < _args->length(), "out of bounds"); |
| oop arg=((objArrayOop) (_args))->obj_at(_index++); |
| assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch"); |
| return Handle(Thread::current(), arg); |
| } |
| |
| // Bring the JVMCI compiler thread into the VM state. |
| #define JVMCI_VM_ENTRY_MARK \ |
| ThreadInVMfromNative __tiv(thread); \ |
| ResetNoHandleMark rnhm; \ |
| HandleMarkCleaner __hm(thread); \ |
| Thread* THREAD = thread; \ |
| debug_only(VMNativeEntryWrapper __vew;) |
| |
| // Native method block that transitions current thread to '_thread_in_vm'. |
| #define C2V_BLOCK(result_type, name, signature) \ |
| TRACE_CALL(result_type, jvmci_ ## name signature) \ |
| JVMCI_VM_ENTRY_MARK; \ |
| ResourceMark rm; \ |
| JNI_JVMCIENV(thread, env); |
| |
| static Thread* get_current_thread() { |
| return Thread::current_or_null_safe(); |
| } |
| |
| // Entry to native method implementation that transitions |
| // current thread to '_thread_in_vm'. |
| #define C2V_VMENTRY(result_type, name, signature) \ |
| JNIEXPORT result_type JNICALL c2v_ ## name signature { \ |
| Thread* base_thread = get_current_thread(); \ |
| if (base_thread == NULL) { \ |
| env->ThrowNew(JNIJVMCI::InternalError::clazz(), \ |
| err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \ |
| return; \ |
| } \ |
| assert(base_thread->is_Java_thread(), "just checking");\ |
| JavaThread* thread = (JavaThread*) base_thread; \ |
| JVMCITraceMark jtm("CompilerToVM::" #name); \ |
| C2V_BLOCK(result_type, name, signature) |
| |
| #define C2V_VMENTRY_(result_type, name, signature, result) \ |
| JNIEXPORT result_type JNICALL c2v_ ## name signature { \ |
| Thread* base_thread = get_current_thread(); \ |
| if (base_thread == NULL) { \ |
| env->ThrowNew(JNIJVMCI::InternalError::clazz(), \ |
| err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \ |
| return result; \ |
| } \ |
| assert(base_thread->is_Java_thread(), "just checking");\ |
| JavaThread* thread = (JavaThread*) base_thread; \ |
| JVMCITraceMark jtm("CompilerToVM::" #name); \ |
| C2V_BLOCK(result_type, name, signature) |
| |
| #define C2V_VMENTRY_NULL(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, NULL) |
| #define C2V_VMENTRY_0(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, 0) |
| |
| // Entry to native method implementation that does not transition |
| // current thread to '_thread_in_vm'. |
| #define C2V_VMENTRY_PREFIX(result_type, name, signature) \ |
| JNIEXPORT result_type JNICALL c2v_ ## name signature { \ |
| Thread* base_thread = get_current_thread(); |
| |
| #define C2V_END } |
| |
| #define JNI_THROW(caller, name, msg) do { \ |
| jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \ |
| if (__throw_res != JNI_OK) { \ |
| tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \ |
| } \ |
| return; \ |
| } while (0); |
| |
| #define JNI_THROW_(caller, name, msg, result) do { \ |
| jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \ |
| if (__throw_res != JNI_OK) { \ |
| tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \ |
| } \ |
| return result; \ |
| } while (0) |
| |
| jobjectArray readConfiguration0(JNIEnv *env, JVMCI_TRAPS); |
| |
| C2V_VMENTRY_NULL(jobjectArray, readConfiguration, (JNIEnv* env)) |
| jobjectArray config = readConfiguration0(env, JVMCI_CHECK_NULL); |
| return config; |
| } |
| |
| C2V_VMENTRY_NULL(jobject, getFlagValue, (JNIEnv* env, jobject c2vm, jobject name_handle)) |
| #define RETURN_BOXED_LONG(value) jvalue p; p.j = (jlong) (value); JVMCIObject box = JVMCIENV->create_box(T_LONG, &p, JVMCI_CHECK_NULL); return box.as_jobject(); |
| #define RETURN_BOXED_DOUBLE(value) jvalue p; p.d = (jdouble) (value); JVMCIObject box = JVMCIENV->create_box(T_DOUBLE, &p, JVMCI_CHECK_NULL); return box.as_jobject(); |
| JVMCIObject name = JVMCIENV->wrap(name_handle); |
| if (name.is_null()) { |
| JVMCI_THROW_NULL(NullPointerException); |
| } |
| const char* cstring = JVMCIENV->as_utf8_string(name); |
| const JVMFlag* flag = JVMFlag::find_declared_flag(cstring); |
| if (flag == NULL) { |
| return c2vm; |
| } |
| if (flag->is_bool()) { |
| jvalue prim; |
| prim.z = flag->get_bool(); |
| JVMCIObject box = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(box); |
| } else if (flag->is_ccstr()) { |
| JVMCIObject value = JVMCIENV->create_string(flag->get_ccstr(), JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(value); |
| } else if (flag->is_intx()) { |
| RETURN_BOXED_LONG(flag->get_intx()); |
| } else if (flag->is_int()) { |
| RETURN_BOXED_LONG(flag->get_int()); |
| } else if (flag->is_uint()) { |
| RETURN_BOXED_LONG(flag->get_uint()); |
| } else if (flag->is_uint64_t()) { |
| RETURN_BOXED_LONG(flag->get_uint64_t()); |
| } else if (flag->is_size_t()) { |
| RETURN_BOXED_LONG(flag->get_size_t()); |
| } else if (flag->is_uintx()) { |
| RETURN_BOXED_LONG(flag->get_uintx()); |
| } else if (flag->is_double()) { |
| RETURN_BOXED_DOUBLE(flag->get_double()); |
| } else { |
| JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type); |
| } |
| #undef RETURN_BOXED_LONG |
| #undef RETURN_BOXED_DOUBLE |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, getObjectAtAddress, (JNIEnv* env, jobject c2vm, jlong oop_address)) |
| requireInHotSpot("getObjectAtAddress", JVMCI_CHECK_NULL); |
| if (oop_address == 0) { |
| JVMCI_THROW_MSG_NULL(InternalError, "Handle must be non-zero"); |
| } |
| oop obj = *((oopDesc**) oop_address); |
| if (obj != NULL) { |
| oopDesc::verify(obj); |
| } |
| return JNIHandles::make_local(obj); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jbyteArray, getBytecode, (JNIEnv* env, jobject, jobject jvmci_method)) |
| methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); |
| |
| int code_size = method->code_size(); |
| jbyte* reconstituted_code = NEW_RESOURCE_ARRAY(jbyte, code_size); |
| |
| guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten"); |
| // iterate over all bytecodes and replace non-Java bytecodes |
| |
| for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) { |
| Bytecodes::Code code = s.code(); |
| Bytecodes::Code raw_code = s.raw_code(); |
| int bci = s.bci(); |
| int len = s.instruction_size(); |
| |
| // Restore original byte code. |
| reconstituted_code[bci] = (jbyte) (s.is_wide()? Bytecodes::_wide : code); |
| if (len > 1) { |
| memcpy(reconstituted_code + (bci + 1), s.bcp()+1, len-1); |
| } |
| |
| if (len > 1) { |
| // Restore the big-endian constant pool indexes. |
| // Cf. Rewriter::scan_method |
| switch (code) { |
| case Bytecodes::_getstatic: |
| case Bytecodes::_putstatic: |
| case Bytecodes::_getfield: |
| case Bytecodes::_putfield: |
| case Bytecodes::_invokevirtual: |
| case Bytecodes::_invokespecial: |
| case Bytecodes::_invokestatic: |
| case Bytecodes::_invokeinterface: |
| case Bytecodes::_invokehandle: { |
| int cp_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1)); |
| Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index); |
| break; |
| } |
| |
| case Bytecodes::_invokedynamic: { |
| int cp_index = Bytes::get_native_u4((address) reconstituted_code + (bci + 1)); |
| Bytes::put_Java_u4((address) reconstituted_code + (bci + 1), (u4) cp_index); |
| break; |
| } |
| |
| default: |
| break; |
| } |
| |
| // Not all ldc byte code are rewritten. |
| switch (raw_code) { |
| case Bytecodes::_fast_aldc: { |
| int cpc_index = reconstituted_code[bci + 1] & 0xff; |
| int cp_index = method->constants()->object_to_cp_index(cpc_index); |
| assert(cp_index < method->constants()->length(), "sanity check"); |
| reconstituted_code[bci + 1] = (jbyte) cp_index; |
| break; |
| } |
| |
| case Bytecodes::_fast_aldc_w: { |
| int cpc_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1)); |
| int cp_index = method->constants()->object_to_cp_index(cpc_index); |
| assert(cp_index < method->constants()->length(), "sanity check"); |
| Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index); |
| break; |
| } |
| |
| default: |
| break; |
| } |
| } |
| } |
| |
| JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL); |
| JVMCIENV->copy_bytes_from(reconstituted_code, result, 0, code_size); |
| return JVMCIENV->get_jbyteArray(result); |
| C2V_END |
| |
| C2V_VMENTRY_0(jint, getExceptionTableLength, (JNIEnv* env, jobject, jobject jvmci_method)) |
| Method* method = JVMCIENV->asMethod(jvmci_method); |
| return method->exception_table_length(); |
| C2V_END |
| |
| C2V_VMENTRY_0(jlong, getExceptionTableStart, (JNIEnv* env, jobject, jobject jvmci_method)) |
| Method* method = JVMCIENV->asMethod(jvmci_method); |
| if (method->exception_table_length() == 0) { |
| return 0L; |
| } |
| return (jlong) (address) method->exception_table_start(); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, asResolvedJavaMethod, (JNIEnv* env, jobject, jobject executable_handle)) |
| requireInHotSpot("asResolvedJavaMethod", JVMCI_CHECK_NULL); |
| oop executable = JNIHandles::resolve(executable_handle); |
| oop mirror = NULL; |
| int slot = 0; |
| |
| if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| mirror = java_lang_reflect_Constructor::clazz(executable); |
| slot = java_lang_reflect_Constructor::slot(executable); |
| } else { |
| assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| mirror = java_lang_reflect_Method::clazz(executable); |
| slot = java_lang_reflect_Method::slot(executable); |
| } |
| Klass* holder = java_lang_Class::as_Klass(mirror); |
| methodHandle method (THREAD, InstanceKlass::cast(holder)->method_with_idnum(slot)); |
| JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| } |
| |
| C2V_VMENTRY_NULL(jobject, getResolvedJavaMethod, (JNIEnv* env, jobject, jobject base, jlong offset)) |
| Method* method; |
| JVMCIObject base_object = JVMCIENV->wrap(base); |
| if (base_object.is_null()) { |
| method = *((Method**)(offset)); |
| } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) { |
| Handle obj = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL); |
| if (obj->is_a(SystemDictionary::ResolvedMethodName_klass())) { |
| method = (Method*) (intptr_t) obj->long_field(offset); |
| } else { |
| JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", obj->klass()->external_name())); |
| } |
| } else if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) { |
| method = JVMCIENV->asMethod(base_object); |
| } |
| if (method == NULL) { |
| JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object))); |
| } |
| assert (method->is_method(), "invalid read"); |
| JVMCIObject result = JVMCIENV->get_jvmci_method(methodHandle(THREAD, method), JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| } |
| |
| C2V_VMENTRY_NULL(jobject, getConstantPool, (JNIEnv* env, jobject, jobject object_handle)) |
| ConstantPool* cp = NULL; |
| JVMCIObject object = JVMCIENV->wrap(object_handle); |
| if (object.is_null()) { |
| JVMCI_THROW_NULL(NullPointerException); |
| } |
| if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(object)) { |
| cp = JVMCIENV->asMethod(object)->constMethod()->constants(); |
| } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(object)) { |
| cp = InstanceKlass::cast(JVMCIENV->asKlass(object))->constants(); |
| } else { |
| JVMCI_THROW_MSG_NULL(IllegalArgumentException, |
| err_msg("Unexpected type: %s", JVMCIENV->klass_name(object))); |
| } |
| assert(cp != NULL, "npe"); |
| |
| JVMCIObject result = JVMCIENV->get_jvmci_constant_pool(constantPoolHandle(THREAD, cp), JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| } |
| |
| C2V_VMENTRY_NULL(jobject, getResolvedJavaType0, (JNIEnv* env, jobject, jobject base, jlong offset, jboolean compressed)) |
| JVMCIKlassHandle klass(THREAD); |
| JVMCIObject base_object = JVMCIENV->wrap(base); |
| jlong base_address = 0; |
| if (base_object.is_non_null() && offset == oopDesc::klass_offset_in_bytes()) { |
| // klass = JVMCIENV->unhandle(base_object)->klass(); |
| if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) { |
| Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL); |
| klass = base_oop->klass(); |
| } else { |
| assert(false, "What types are we actually expecting here?"); |
| } |
| } else if (!compressed) { |
| if (base_object.is_non_null()) { |
| if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) { |
| base_address = (intptr_t) JVMCIENV->asMethod(base_object); |
| } else if (JVMCIENV->isa_HotSpotConstantPool(base_object)) { |
| base_address = (intptr_t) JVMCIENV->asConstantPool(base_object); |
| } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) { |
| base_address = (intptr_t) JVMCIENV->asKlass(base_object); |
| } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) { |
| Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL); |
| if (base_oop->is_a(SystemDictionary::Class_klass())) { |
| base_address = cast_from_oop<jlong>(base_oop()); |
| } |
| } |
| if (base_address == 0) { |
| JVMCI_THROW_MSG_NULL(IllegalArgumentException, |
| err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", JVMCIENV->klass_name(base_object), offset, compressed ? "true" : "false")); |
| } |
| } |
| klass = *((Klass**) (intptr_t) (base_address + offset)); |
| } else { |
| JVMCI_THROW_MSG_NULL(IllegalArgumentException, |
| err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", |
| base_object.is_non_null() ? JVMCIENV->klass_name(base_object) : "null", |
| offset, compressed ? "true" : "false")); |
| } |
| assert (klass == NULL || klass->is_klass(), "invalid read"); |
| JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| } |
| |
| C2V_VMENTRY_NULL(jobject, findUniqueConcreteMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method)) |
| methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method)); |
| Klass* holder = JVMCIENV->asKlass(jvmci_type); |
| if (holder->is_interface()) { |
| JVMCI_THROW_MSG_NULL(InternalError, err_msg("Interface %s should be handled in Java code", holder->external_name())); |
| } |
| if (method->can_be_statically_bound()) { |
| JVMCI_THROW_MSG_NULL(InternalError, err_msg("Effectively static method %s.%s should be handled in Java code", method->method_holder()->external_name(), method->external_name())); |
| } |
| |
| methodHandle ucm; |
| { |
| MutexLocker locker(Compile_lock); |
| ucm = methodHandle(THREAD, Dependencies::find_unique_concrete_method(holder, method())); |
| } |
| JVMCIObject result = JVMCIENV->get_jvmci_method(ucm, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, getImplementor, (JNIEnv* env, jobject, jobject jvmci_type)) |
| Klass* klass = JVMCIENV->asKlass(jvmci_type); |
| if (!klass->is_interface()) { |
| THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), |
| err_msg("Expected interface type, got %s", klass->external_name())); |
| } |
| InstanceKlass* iklass = InstanceKlass::cast(klass); |
| JVMCIKlassHandle handle(THREAD); |
| { |
| // Need Compile_lock around implementor() |
| MutexLocker locker(Compile_lock); |
| handle = iklass->implementor(); |
| } |
| JVMCIObject implementor = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(implementor); |
| C2V_END |
| |
| C2V_VMENTRY_0(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv* env, jobject, jobject jvmci_method)) |
| Method* method = JVMCIENV->asMethod(jvmci_method); |
| return method->is_ignored_by_security_stack_walk(); |
| C2V_END |
| |
| C2V_VMENTRY_0(jboolean, isCompilable,(JNIEnv* env, jobject, jobject jvmci_method)) |
| Method* method = JVMCIENV->asMethod(jvmci_method); |
| ConstantPool* cp = method->constMethod()->constants(); |
| assert(cp != NULL, "npe"); |
| // don't inline method when constant pool contains a CONSTANT_Dynamic |
| return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant(); |
| C2V_END |
| |
| C2V_VMENTRY_0(jboolean, hasNeverInlineDirective,(JNIEnv* env, jobject, jobject jvmci_method)) |
| methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method)); |
| return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline(); |
| C2V_END |
| |
| C2V_VMENTRY_0(jboolean, shouldInlineMethod,(JNIEnv* env, jobject, jobject jvmci_method)) |
| methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method)); |
| return CompilerOracle::should_inline(method) || method->force_inline(); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, lookupType, (JNIEnv* env, jobject, jstring jname, jclass accessing_class, jboolean resolve)) |
| JVMCIObject name = JVMCIENV->wrap(jname); |
| const char* str = JVMCIENV->as_utf8_string(name); |
| TempNewSymbol class_name = SymbolTable::new_symbol(str); |
| |
| if (class_name->utf8_length() <= 1) { |
| JVMCI_THROW_MSG_0(InternalError, err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string())); |
| } |
| |
| JVMCIKlassHandle resolved_klass(THREAD); |
| Klass* accessing_klass = NULL; |
| Handle class_loader; |
| Handle protection_domain; |
| if (accessing_class != NULL) { |
| accessing_klass = JVMCIENV->asKlass(accessing_class); |
| class_loader = Handle(THREAD, accessing_klass->class_loader()); |
| protection_domain = Handle(THREAD, accessing_klass->protection_domain()); |
| } else { |
| // Use the System class loader |
| class_loader = Handle(THREAD, SystemDictionary::java_system_loader()); |
| JVMCIENV->runtime()->initialize(JVMCIENV); |
| } |
| |
| if (resolve) { |
| resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_NULL); |
| if (resolved_klass == NULL) { |
| JVMCI_THROW_MSG_NULL(ClassNotFoundException, str); |
| } |
| } else { |
| if (Signature::has_envelope(class_name)) { |
| // This is a name from a signature. Strip off the trimmings. |
| // Call recursive to keep scope of strippedsym. |
| TempNewSymbol strippedsym = Signature::strip_envelope(class_name); |
| resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_NULL); |
| } else if (Signature::is_array(class_name)) { |
| SignatureStream ss(class_name, false); |
| int ndim = ss.skip_array_prefix(); |
| if (ss.type() == T_OBJECT) { |
| Symbol* strippedsym = ss.as_symbol(); |
| resolved_klass = SystemDictionary::find(strippedsym, |
| class_loader, |
| protection_domain, |
| CHECK_NULL); |
| if (!resolved_klass.is_null()) { |
| resolved_klass = resolved_klass->array_klass(ndim, CHECK_NULL); |
| } |
| } else { |
| resolved_klass = TypeArrayKlass::cast(Universe::typeArrayKlassObj(ss.type()))->array_klass(ndim, CHECK_NULL); |
| } |
| } else { |
| resolved_klass = SystemDictionary::find(class_name, class_loader, protection_domain, CHECK_NULL); |
| } |
| } |
| JVMCIObject result = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, getArrayType, (JNIEnv* env, jobject, jobject jvmci_type)) |
| if (jvmci_type == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| |
| JVMCIObject jvmci_type_object = JVMCIENV->wrap(jvmci_type); |
| JVMCIKlassHandle array_klass(THREAD); |
| if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(jvmci_type_object)) { |
| BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(jvmci_type_object), JVMCI_CHECK_0); |
| if (type == T_VOID) { |
| return NULL; |
| } |
| array_klass = Universe::typeArrayKlassObj(type); |
| if (array_klass == NULL) { |
| JVMCI_THROW_MSG_NULL(InternalError, err_msg("No array klass for primitive type %s", type2name(type))); |
| } |
| } else { |
| Klass* klass = JVMCIENV->asKlass(jvmci_type); |
| if (klass == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| array_klass = klass->array_klass(CHECK_NULL); |
| } |
| JVMCIObject result = JVMCIENV->get_jvmci_type(array_klass, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, lookupClass, (JNIEnv* env, jobject, jclass mirror)) |
| requireInHotSpot("lookupClass", JVMCI_CHECK_NULL); |
| if (mirror == NULL) { |
| return NULL; |
| } |
| JVMCIKlassHandle klass(THREAD); |
| klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror)); |
| if (klass == NULL) { |
| JVMCI_THROW_MSG_NULL(IllegalArgumentException, "Primitive classes are unsupported"); |
| } |
| JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| } |
| |
| C2V_VMENTRY_NULL(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) |
| constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); |
| oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL); |
| return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(result)); |
| C2V_END |
| |
| C2V_VMENTRY_0(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) |
| constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); |
| return cp->name_and_type_ref_index_at(index); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, lookupNameInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which)) |
| constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); |
| JVMCIObject sym = JVMCIENV->create_string(cp->name_ref_at(which), JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(sym); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, lookupSignatureInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which)) |
| constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); |
| JVMCIObject sym = JVMCIENV->create_string(cp->signature_ref_at(which), JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(sym); |
| C2V_END |
| |
| C2V_VMENTRY_0(jint, lookupKlassRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) |
| constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); |
| return cp->klass_ref_index_at(index); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, resolveTypeInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) |
| constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); |
| Klass* klass = cp->klass_at(index, CHECK_NULL); |
| JVMCIKlassHandle resolved_klass(THREAD, klass); |
| if (resolved_klass->is_instance_klass()) { |
| InstanceKlass::cast(resolved_klass())->link_class(CHECK_NULL); |
| if (!InstanceKlass::cast(resolved_klass())->is_linked()) { |
| // link_class() should not return here if there is an issue. |
| JVMCI_THROW_MSG_NULL(InternalError, err_msg("Class %s must be linked", resolved_klass()->external_name())); |
| } |
| } |
| JVMCIObject klassObject = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(klassObject); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, lookupKlassInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) |
| constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); |
| Klass* loading_klass = cp->pool_holder(); |
| bool is_accessible = false; |
| JVMCIKlassHandle klass(THREAD, JVMCIRuntime::get_klass_by_index(cp, index, is_accessible, loading_klass)); |
| Symbol* symbol = NULL; |
| if (klass.is_null()) { |
| constantTag tag = cp->tag_at(index); |
| if (tag.is_klass()) { |
| // The klass has been inserted into the constant pool |
| // very recently. |
| klass = cp->resolved_klass_at(index); |
| } else if (tag.is_symbol()) { |
| symbol = cp->symbol_at(index); |
| } else { |
| assert(cp->tag_at(index).is_unresolved_klass(), "wrong tag"); |
| symbol = cp->klass_name_at(index); |
| } |
| } |
| JVMCIObject result; |
| if (!klass.is_null()) { |
| result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); |
| } else { |
| result = JVMCIENV->create_string(symbol, JVMCI_CHECK_NULL); |
| } |
| return JVMCIENV->get_jobject(result); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, lookupAppendixInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) |
| constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); |
| oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index); |
| return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(appendix_oop)); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, lookupMethodInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) |
| constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); |
| InstanceKlass* pool_holder = cp->pool_holder(); |
| Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF); |
| methodHandle method(THREAD, JVMCIRuntime::get_method_by_index(cp, index, bc, pool_holder)); |
| JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| C2V_END |
| |
| C2V_VMENTRY_0(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) |
| constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); |
| return cp->remap_instruction_operand_from_cache(index); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, resolveFieldInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle)) |
| constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); |
| Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF); |
| fieldDescriptor fd; |
| methodHandle mh(THREAD, (jvmci_method != NULL) ? JVMCIENV->asMethod(jvmci_method) : NULL); |
| LinkInfo link_info(cp, index, mh, CHECK_NULL); |
| LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_NULL); |
| JVMCIPrimitiveArray info = JVMCIENV->wrap(info_handle); |
| if (info.is_null() || JVMCIENV->get_length(info) != 3) { |
| JVMCI_ERROR_NULL("info must not be null and have a length of 3"); |
| } |
| JVMCIENV->put_int_at(info, 0, fd.access_flags().as_int()); |
| JVMCIENV->put_int_at(info, 1, fd.offset()); |
| JVMCIENV->put_int_at(info, 2, fd.index()); |
| JVMCIKlassHandle handle(THREAD, fd.field_holder()); |
| JVMCIObject field_holder = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(field_holder); |
| C2V_END |
| |
| C2V_VMENTRY_0(jint, getVtableIndexForInterfaceMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method)) |
| Klass* klass = JVMCIENV->asKlass(jvmci_type); |
| methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); |
| if (klass->is_interface()) { |
| JVMCI_THROW_MSG_0(InternalError, err_msg("Interface %s should be handled in Java code", klass->external_name())); |
| } |
| if (!method->method_holder()->is_interface()) { |
| JVMCI_THROW_MSG_0(InternalError, err_msg("Method %s is not held by an interface, this case should be handled in Java code", method->name_and_sig_as_C_string())); |
| } |
| if (!klass->is_instance_klass()) { |
| JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name())); |
| } |
| if (!InstanceKlass::cast(klass)->is_linked()) { |
| JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be linked", klass->external_name())); |
| } |
| return LinkResolver::vtable_index_of_interface_method(klass, method); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, resolveMethod, (JNIEnv* env, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type)) |
| Klass* recv_klass = JVMCIENV->asKlass(receiver_jvmci_type); |
| Klass* caller_klass = JVMCIENV->asKlass(caller_jvmci_type); |
| methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); |
| |
| Klass* resolved = method->method_holder(); |
| Symbol* h_name = method->name(); |
| Symbol* h_signature = method->signature(); |
| |
| if (MethodHandles::is_signature_polymorphic_method(method())) { |
| // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case. |
| return NULL; |
| } |
| |
| if (method->name() == vmSymbols::clone_name() && |
| resolved == SystemDictionary::Object_klass() && |
| recv_klass->is_array_klass()) { |
| // Resolution of the clone method on arrays always returns Object.clone even though that method |
| // has protected access. There's some trickery in the access checking to make this all work out |
| // so it's necessary to pass in the array class as the resolved class to properly trigger this. |
| // Otherwise it's impossible to resolve the array clone methods through JVMCI. See |
| // LinkResolver::check_method_accessability for the matching logic. |
| resolved = recv_klass; |
| } |
| |
| LinkInfo link_info(resolved, h_name, h_signature, caller_klass); |
| Method* m = NULL; |
| // Only do exact lookup if receiver klass has been linked. Otherwise, |
| // the vtable has not been setup, and the LinkResolver will fail. |
| if (recv_klass->is_array_klass() || |
| (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) { |
| if (resolved->is_interface()) { |
| m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info); |
| } else { |
| m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info); |
| } |
| } |
| |
| if (m == NULL) { |
| // Return NULL if there was a problem with lookup (uninitialized class, etc.) |
| return NULL; |
| } |
| |
| JVMCIObject result = JVMCIENV->get_jvmci_method(methodHandle(THREAD, m), JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| C2V_END |
| |
| C2V_VMENTRY_0(jboolean, hasFinalizableSubclass,(JNIEnv* env, jobject, jobject jvmci_type)) |
| Klass* klass = JVMCIENV->asKlass(jvmci_type); |
| assert(klass != NULL, "method must not be called for primitive types"); |
| return Dependencies::find_finalizable_subclass(klass) != NULL; |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, getClassInitializer, (JNIEnv* env, jobject, jobject jvmci_type)) |
| Klass* klass = JVMCIENV->asKlass(jvmci_type); |
| if (!klass->is_instance_klass()) { |
| return NULL; |
| } |
| InstanceKlass* iklass = InstanceKlass::cast(klass); |
| methodHandle clinit(THREAD, iklass->class_initializer()); |
| JVMCIObject result = JVMCIENV->get_jvmci_method(clinit, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| C2V_END |
| |
| C2V_VMENTRY_0(jlong, getMaxCallTargetOffset, (JNIEnv* env, jobject, jlong addr)) |
| address target_addr = (address) addr; |
| if (target_addr != 0x0) { |
| int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int)); |
| int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int)); |
| return MAX2(ABS(off_low), ABS(off_high)); |
| } |
| return -1; |
| C2V_END |
| |
| C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv* env, jobject, jobject jvmci_method)) |
| methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); |
| method->set_not_c1_compilable(); |
| method->set_not_c2_compilable(); |
| method->set_dont_inline(true); |
| C2V_END |
| |
| C2V_VMENTRY_0(jint, installCode, (JNIEnv *env, jobject, jobject target, jobject compiled_code, |
| jobject installed_code, jlong failed_speculations_address, jbyteArray speculations_obj)) |
| HandleMark hm; |
| JNIHandleMark jni_hm(thread); |
| |
| JVMCIObject target_handle = JVMCIENV->wrap(target); |
| JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code); |
| CodeBlob* cb = NULL; |
| JVMCIObject installed_code_handle = JVMCIENV->wrap(installed_code); |
| JVMCIPrimitiveArray speculations_handle = JVMCIENV->wrap(speculations_obj); |
| |
| int speculations_len = JVMCIENV->get_length(speculations_handle); |
| char* speculations = NEW_RESOURCE_ARRAY(char, speculations_len); |
| JVMCIENV->copy_bytes_to(speculations_handle, (jbyte*) speculations, 0, speculations_len); |
| |
| JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR); |
| |
| TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer()); |
| bool is_immutable_PIC = JVMCIENV->get_HotSpotCompiledCode_isImmutablePIC(compiled_code_handle) > 0; |
| |
| CodeInstaller installer(JVMCIENV, is_immutable_PIC); |
| JVMCI::CodeInstallResult result = installer.install(compiler, |
| target_handle, |
| compiled_code_handle, |
| cb, |
| installed_code_handle, |
| (FailedSpeculation**)(address) failed_speculations_address, |
| speculations, |
| speculations_len, |
| JVMCI_CHECK_0); |
| |
| if (PrintCodeCacheOnCompilation) { |
| stringStream s; |
| // Dump code cache into a buffer before locking the tty, |
| { |
| MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
| CodeCache::print_summary(&s, false); |
| } |
| ttyLocker ttyl; |
| tty->print_raw_cr(s.as_string()); |
| } |
| |
| if (result != JVMCI::ok) { |
| assert(cb == NULL, "should be"); |
| } else { |
| if (installed_code_handle.is_non_null()) { |
| if (cb->is_nmethod()) { |
| assert(JVMCIENV->isa_HotSpotNmethod(installed_code_handle), "wrong type"); |
| // Clear the link to an old nmethod first |
| JVMCIObject nmethod_mirror = installed_code_handle; |
| JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK_0); |
| } else { |
| assert(JVMCIENV->isa_InstalledCode(installed_code_handle), "wrong type"); |
| } |
| // Initialize the link to the new code blob |
| JVMCIENV->initialize_installed_code(installed_code_handle, cb, JVMCI_CHECK_0); |
| } |
| } |
| return result; |
| C2V_END |
| |
| C2V_VMENTRY_0(jint, getMetadata, (JNIEnv *env, jobject, jobject target, jobject compiled_code, jobject metadata)) |
| #if INCLUDE_AOT |
| HandleMark hm; |
| assert(JVMCIENV->is_hotspot(), "AOT code is executed only in HotSpot mode"); |
| |
| JVMCIObject target_handle = JVMCIENV->wrap(target); |
| JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code); |
| JVMCIObject metadata_handle = JVMCIENV->wrap(metadata); |
| |
| CodeMetadata code_metadata; |
| |
| CodeInstaller installer(JVMCIENV, true /* immutable PIC compilation */); |
| JVMCI::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, JVMCI_CHECK_0); |
| if (result != JVMCI::ok) { |
| return result; |
| } |
| |
| if (code_metadata.get_nr_pc_desc() > 0) { |
| int size = sizeof(PcDesc) * code_metadata.get_nr_pc_desc(); |
| JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); |
| JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_pc_desc(), array, 0, size); |
| HotSpotJVMCI::HotSpotMetaData::set_pcDescBytes(JVMCIENV, metadata_handle, array); |
| } |
| |
| if (code_metadata.get_scopes_size() > 0) { |
| int size = code_metadata.get_scopes_size(); |
| JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); |
| JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_scopes_desc(), array, 0, size); |
| HotSpotJVMCI::HotSpotMetaData::set_scopesDescBytes(JVMCIENV, metadata_handle, array); |
| } |
| |
| RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer(); |
| int size = (int) reloc_buffer->size(); |
| JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); |
| JVMCIENV->copy_bytes_from((jbyte*) reloc_buffer->begin(), array, 0, size); |
| HotSpotJVMCI::HotSpotMetaData::set_relocBytes(JVMCIENV, metadata_handle, array); |
| |
| const OopMapSet* oopMapSet = installer.oopMapSet(); |
| { |
| ResourceMark mark; |
| ImmutableOopMapBuilder builder(oopMapSet); |
| int size = builder.heap_size(); |
| JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); |
| builder.generate_into((address) HotSpotJVMCI::resolve(array)->byte_at_addr(0)); |
| HotSpotJVMCI::HotSpotMetaData::set_oopMaps(JVMCIENV, metadata_handle, array); |
| } |
| |
| AOTOopRecorder* recorder = code_metadata.get_oop_recorder(); |
| |
| int nr_meta_refs = recorder->nr_meta_refs(); |
| JVMCIObjectArray metadataArray = JVMCIENV->new_Object_array(nr_meta_refs, JVMCI_CHECK_(JVMCI::cache_full)); |
| for (int i = 0; i < nr_meta_refs; ++i) { |
| jobject element = recorder->meta_element(i); |
| if (element == NULL) { |
| return JVMCI::cache_full; |
| } |
| JVMCIENV->put_object_at(metadataArray, i, JVMCIENV->wrap(element)); |
| } |
| HotSpotJVMCI::HotSpotMetaData::set_metadata(JVMCIENV, metadata_handle, metadataArray); |
| |
| ExceptionHandlerTable* handler = code_metadata.get_exception_table(); |
| int table_size = handler->size_in_bytes(); |
| JVMCIPrimitiveArray exceptionArray = JVMCIENV->new_byteArray(table_size, JVMCI_CHECK_(JVMCI::cache_full)); |
| if (table_size > 0) { |
| handler->copy_bytes_to((address) HotSpotJVMCI::resolve(exceptionArray)->byte_at_addr(0)); |
| } |
| HotSpotJVMCI::HotSpotMetaData::set_exceptionBytes(JVMCIENV, metadata_handle, exceptionArray); |
| |
| ImplicitExceptionTable* implicit = code_metadata.get_implicit_exception_table(); |
| int implicit_table_size = implicit->size_in_bytes(); |
| JVMCIPrimitiveArray implicitExceptionArray = JVMCIENV->new_byteArray(implicit_table_size, JVMCI_CHECK_(JVMCI::cache_full)); |
| if (implicit_table_size > 0) { |
| implicit->copy_bytes_to((address) HotSpotJVMCI::resolve(implicitExceptionArray)->byte_at_addr(0), implicit_table_size); |
| } |
| HotSpotJVMCI::HotSpotMetaData::set_implicitExceptionBytes(JVMCIENV, metadata_handle, implicitExceptionArray); |
| |
| return result; |
| #else |
| JVMCI_THROW_MSG_0(InternalError, "unimplemented"); |
| #endif |
| C2V_END |
| |
| C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv* env, jobject)) |
| JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK); |
| CompilerStatistics* stats = compiler->stats(); |
| stats->_standard.reset(); |
| stats->_osr.reset(); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, disassembleCodeBlob, (JNIEnv* env, jobject, jobject installedCode)) |
| HandleMark hm; |
| |
| if (installedCode == NULL) { |
| JVMCI_THROW_MSG_NULL(NullPointerException, "installedCode is null"); |
| } |
| |
| JVMCIObject installedCodeObject = JVMCIENV->wrap(installedCode); |
| nmethodLocker locker; |
| CodeBlob* cb = JVMCIENV->get_code_blob(installedCodeObject, locker); |
| if (cb == NULL) { |
| return NULL; |
| } |
| |
| // We don't want the stringStream buffer to resize during disassembly as it |
| // uses scoped resource memory. If a nested function called during disassembly uses |
| // a ResourceMark and the buffer expands within the scope of the mark, |
| // the buffer becomes garbage when that scope is exited. Experience shows that |
| // the disassembled code is typically about 10x the code size so a fixed buffer |
| // sized to 20x code size plus a fixed amount for header info should be sufficient. |
| int bufferSize = cb->code_size() * 20 + 1024; |
| char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize); |
| stringStream st(buffer, bufferSize); |
| if (cb->is_nmethod()) { |
| nmethod* nm = (nmethod*) cb; |
| if (!nm->is_alive()) { |
| return NULL; |
| } |
| } |
| Disassembler::decode(cb, &st); |
| if (st.size() <= 0) { |
| return NULL; |
| } |
| |
| JVMCIObject result = JVMCIENV->create_string(st.as_string(), JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, getStackTraceElement, (JNIEnv* env, jobject, jobject jvmci_method, int bci)) |
| HandleMark hm; |
| |
| methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); |
| JVMCIObject element = JVMCIENV->new_StackTraceElement(method, bci, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(element); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, executeHotSpotNmethod, (JNIEnv* env, jobject, jobject args, jobject hs_nmethod)) |
| // The incoming arguments array would have to contain JavaConstants instead of regular objects |
| // and the return value would have to be wrapped as a JavaConstant. |
| requireInHotSpot("executeHotSpotNmethod", JVMCI_CHECK_NULL); |
| |
| HandleMark hm; |
| |
| JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod); |
| nmethodLocker locker; |
| nmethod* nm = JVMCIENV->get_nmethod(nmethod_mirror, locker); |
| if (nm == NULL || !nm->is_in_use()) { |
| JVMCI_THROW_NULL(InvalidInstalledCodeException); |
| } |
| methodHandle mh(THREAD, nm->method()); |
| Symbol* signature = mh->signature(); |
| JavaCallArguments jca(mh->size_of_parameters()); |
| |
| JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static()); |
| JavaValue result(jap.return_type()); |
| jca.set_alternative_target(Handle(THREAD, JNIHandles::resolve(nmethod_mirror.as_jobject()))); |
| JavaCalls::call(&result, mh, &jca, CHECK_NULL); |
| |
| if (jap.return_type() == T_VOID) { |
| return NULL; |
| } else if (is_reference_type(jap.return_type())) { |
| return JNIHandles::make_local((oop) result.get_jobject()); |
| } else { |
| jvalue *value = (jvalue *) result.get_value_addr(); |
| // Narrow the value down if required (Important on big endian machines) |
| switch (jap.return_type()) { |
| case T_BOOLEAN: |
| value->z = (jboolean) value->i; |
| break; |
| case T_BYTE: |
| value->b = (jbyte) value->i; |
| break; |
| case T_CHAR: |
| value->c = (jchar) value->i; |
| break; |
| case T_SHORT: |
| value->s = (jshort) value->i; |
| break; |
| default: |
| break; |
| } |
| JVMCIObject o = JVMCIENV->create_box(jap.return_type(), value, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(o); |
| } |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jlongArray, getLineNumberTable, (JNIEnv* env, jobject, jobject jvmci_method)) |
| Method* method = JVMCIENV->asMethod(jvmci_method); |
| if (!method->has_linenumber_table()) { |
| return NULL; |
| } |
| u2 num_entries = 0; |
| CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table()); |
| while (streamForSize.read_pair()) { |
| num_entries++; |
| } |
| |
| CompressedLineNumberReadStream stream(method->compressed_linenumber_table()); |
| JVMCIPrimitiveArray result = JVMCIENV->new_longArray(2 * num_entries, JVMCI_CHECK_NULL); |
| |
| int i = 0; |
| jlong value; |
| while (stream.read_pair()) { |
| value = ((long) stream.bci()); |
| JVMCIENV->put_long_at(result, i, value); |
| value = ((long) stream.line()); |
| JVMCIENV->put_long_at(result, i + 1, value); |
| i += 2; |
| } |
| |
| return (jlongArray) JVMCIENV->get_jobject(result); |
| C2V_END |
| |
| C2V_VMENTRY_0(jlong, getLocalVariableTableStart, (JNIEnv* env, jobject, jobject jvmci_method)) |
| Method* method = JVMCIENV->asMethod(jvmci_method); |
| if (!method->has_localvariable_table()) { |
| return 0; |
| } |
| return (jlong) (address) method->localvariable_table_start(); |
| C2V_END |
| |
| C2V_VMENTRY_0(jint, getLocalVariableTableLength, (JNIEnv* env, jobject, jobject jvmci_method)) |
| Method* method = JVMCIENV->asMethod(jvmci_method); |
| return method->localvariable_table_length(); |
| C2V_END |
| |
| C2V_VMENTRY(void, reprofile, (JNIEnv* env, jobject, jobject jvmci_method)) |
| methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); |
| MethodCounters* mcs = method->method_counters(); |
| if (mcs != NULL) { |
| mcs->clear_counters(); |
| } |
| NOT_PRODUCT(method->set_compiled_invocation_count(0)); |
| |
| CompiledMethod* code = method->code(); |
| if (code != NULL) { |
| code->make_not_entrant(); |
| } |
| |
| MethodData* method_data = method->method_data(); |
| if (method_data == NULL) { |
| ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); |
| method_data = MethodData::allocate(loader_data, method, CHECK); |
| method->set_method_data(method_data); |
| } else { |
| method_data->initialize(); |
| } |
| C2V_END |
| |
| |
| C2V_VMENTRY(void, invalidateHotSpotNmethod, (JNIEnv* env, jobject, jobject hs_nmethod)) |
| JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod); |
| JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, readUncompressedOop, (JNIEnv* env, jobject, jlong addr)) |
| oop ret = RawAccess<>::oop_load((oop*)(address)addr); |
| return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(ret)); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jlongArray, collectCounters, (JNIEnv* env, jobject)) |
| // Returns a zero length array if counters aren't enabled |
| JVMCIPrimitiveArray array = JVMCIENV->new_longArray(JVMCICounterSize, JVMCI_CHECK_NULL); |
| if (JVMCICounterSize > 0) { |
| jlong* temp_array = NEW_RESOURCE_ARRAY(jlong, JVMCICounterSize); |
| JavaThread::collect_counters(temp_array, JVMCICounterSize); |
| JVMCIENV->copy_longs_from(temp_array, array, 0, JVMCICounterSize); |
| } |
| return (jlongArray) JVMCIENV->get_jobject(array); |
| C2V_END |
| |
| C2V_VMENTRY_0(jint, getCountersSize, (JNIEnv* env, jobject)) |
| return (jint) JVMCICounterSize; |
| C2V_END |
| |
| C2V_VMENTRY(void, setCountersSize, (JNIEnv* env, jobject, jint new_size)) |
| JavaThread::resize_all_jvmci_counters(new_size); |
| C2V_END |
| |
| C2V_VMENTRY_0(jint, allocateCompileId, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci)) |
| HandleMark hm; |
| if (jvmci_method == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); |
| if (entry_bci >= method->code_size() || entry_bci < -1) { |
| JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Unexpected bci %d", entry_bci)); |
| } |
| return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci); |
| C2V_END |
| |
| |
| C2V_VMENTRY_0(jboolean, isMature, (JNIEnv* env, jobject, jlong metaspace_method_data)) |
| MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data); |
| return mdo != NULL && mdo->is_mature(); |
| C2V_END |
| |
| C2V_VMENTRY_0(jboolean, hasCompiledCodeForOSR, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci, int comp_level)) |
| Method* method = JVMCIENV->asMethod(jvmci_method); |
| return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL; |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, getSymbol, (JNIEnv* env, jobject, jlong symbol)) |
| JVMCIObject sym = JVMCIENV->create_string((Symbol*)(address)symbol, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(sym); |
| C2V_END |
| |
| bool matches(jobjectArray methods, Method* method, JVMCIEnv* JVMCIENV) { |
| objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods); |
| |
| for (int i = 0; i < methods_oop->length(); i++) { |
| oop resolved = methods_oop->obj_at(i); |
| if ((resolved->klass() == HotSpotJVMCI::HotSpotResolvedJavaMethodImpl::klass()) && HotSpotJVMCI::asMethod(JVMCIENV, resolved) == method) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) { |
| CallInfo callinfo; |
| Handle receiver = args->receiver(); |
| Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass(); |
| LinkInfo link_info(spec_klass, name, signature); |
| LinkResolver::resolve_interface_call( |
| callinfo, receiver, recvrKlass, link_info, true, CHECK); |
| methodHandle method(THREAD, callinfo.selected_method()); |
| assert(method.not_null(), "should have thrown exception"); |
| |
| // Invoke the method |
| JavaCalls::call(result, method, args, CHECK); |
| } |
| |
| C2V_VMENTRY_NULL(jobject, iterateFrames, (JNIEnv* env, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle)) |
| |
| if (!thread->has_last_Java_frame()) { |
| return NULL; |
| } |
| Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle)); |
| |
| requireInHotSpot("iterateFrames", JVMCI_CHECK_NULL); |
| |
| HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL); |
| Handle frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL); |
| |
| StackFrameStream fst(thread); |
| jobjectArray methods = initial_methods; |
| |
| int frame_number = 0; |
| vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); |
| |
| while (true) { |
| // look for the given method |
| bool realloc_called = false; |
| while (true) { |
| StackValueCollection* locals = NULL; |
| if (vf->is_compiled_frame()) { |
| // compiled method frame |
| compiledVFrame* cvf = compiledVFrame::cast(vf); |
| if (methods == NULL || matches(methods, cvf->method(), JVMCIENV)) { |
| if (initialSkip > 0) { |
| initialSkip--; |
| } else { |
| ScopeDesc* scope = cvf->scope(); |
| // native wrappers do not have a scope |
| if (scope != NULL && scope->objects() != NULL) { |
| GrowableArray<ScopeValue*>* objects; |
| if (!realloc_called) { |
| objects = scope->objects(); |
| } else { |
| // some object might already have been re-allocated, only reallocate the non-allocated ones |
| objects = new GrowableArray<ScopeValue*>(scope->objects()->length()); |
| for (int i = 0; i < scope->objects()->length(); i++) { |
| ObjectValue* sv = (ObjectValue*) scope->objects()->at(i); |
| if (sv->value().is_null()) { |
| objects->append(sv); |
| } |
| } |
| } |
| bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), fst.register_map(), objects, CHECK_NULL); |
| Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false); |
| realloc_called = true; |
| |
| GrowableArray<ScopeValue*>* local_values = scope->locals(); |
| assert(local_values != NULL, "NULL locals"); |
| typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL); |
| typeArrayHandle array(THREAD, array_oop); |
| for (int i = 0; i < local_values->length(); i++) { |
| ScopeValue* value = local_values->at(i); |
| if (value->is_object()) { |
| array->bool_at_put(i, true); |
| } |
| } |
| HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), array()); |
| } else { |
| HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL); |
| } |
| |
| locals = cvf->locals(); |
| HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), cvf->bci()); |
| methodHandle mh(THREAD, cvf->method()); |
| JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL); |
| HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject())); |
| } |
| } |
| } else if (vf->is_interpreted_frame()) { |
| // interpreted method frame |
| interpretedVFrame* ivf = interpretedVFrame::cast(vf); |
| if (methods == NULL || matches(methods, ivf->method(), JVMCIENV)) { |
| if (initialSkip > 0) { |
| initialSkip--; |
| } else { |
| locals = ivf->locals(); |
| HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), ivf->bci()); |
| methodHandle mh(THREAD, ivf->method()); |
| JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL); |
| HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject())); |
| HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL); |
| } |
| } |
| } |
| |
| // locals != NULL means that we found a matching frame and result is already partially initialized |
| if (locals != NULL) { |
| methods = match_methods; |
| HotSpotJVMCI::HotSpotStackFrameReference::set_compilerToVM(JVMCIENV, frame_reference(), JNIHandles::resolve(compilerToVM)); |
| HotSpotJVMCI::HotSpotStackFrameReference::set_stackPointer(JVMCIENV, frame_reference(), (jlong) fst.current()->sp()); |
| HotSpotJVMCI::HotSpotStackFrameReference::set_frameNumber(JVMCIENV, frame_reference(), frame_number); |
| |
| // initialize the locals array |
| objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL); |
| objArrayHandle array(THREAD, array_oop); |
| for (int i = 0; i < locals->size(); i++) { |
| StackValue* var = locals->at(i); |
| if (var->type() == T_OBJECT) { |
| array->obj_at_put(i, locals->at(i)->get_obj()()); |
| } |
| } |
| HotSpotJVMCI::HotSpotStackFrameReference::set_locals(JVMCIENV, frame_reference(), array()); |
| HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, frame_reference(), JNI_FALSE); |
| |
| JavaValue result(T_OBJECT); |
| JavaCallArguments args(visitor); |
| args.push_oop(frame_reference); |
| call_interface(&result, HotSpotJVMCI::InspectedFrameVisitor::klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL); |
| if (result.get_jobject() != NULL) { |
| return JNIHandles::make_local(thread, (oop) result.get_jobject()); |
| } |
| assert(initialSkip == 0, "There should be no match before initialSkip == 0"); |
| if (HotSpotJVMCI::HotSpotStackFrameReference::objectsMaterialized(JVMCIENV, frame_reference()) == JNI_TRUE) { |
| // the frame has been deoptimized, we need to re-synchronize the frame and vframe |
| intptr_t* stack_pointer = (intptr_t*) HotSpotJVMCI::HotSpotStackFrameReference::stackPointer(JVMCIENV, frame_reference()); |
| fst = StackFrameStream(thread); |
| while (fst.current()->sp() != stack_pointer && !fst.is_done()) { |
| fst.next(); |
| } |
| if (fst.current()->sp() != stack_pointer) { |
| THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt") |
| } |
| vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); |
| if (!vf->is_compiled_frame()) { |
| THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected") |
| } |
| for (int i = 0; i < frame_number; i++) { |
| if (vf->is_top()) { |
| THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt") |
| } |
| vf = vf->sender(); |
| assert(vf->is_compiled_frame(), "Wrong frame type"); |
| } |
| } |
| frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL); |
| HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL); |
| } |
| |
| if (vf->is_top()) { |
| break; |
| } |
| frame_number++; |
| vf = vf->sender(); |
| } // end of vframe loop |
| |
| if (fst.is_done()) { |
| break; |
| } |
| fst.next(); |
| vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); |
| frame_number = 0; |
| } // end of frame loop |
| |
| // the end was reached without finding a matching method |
| return NULL; |
| C2V_END |
| |
| C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) |
| constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); |
| CallInfo callInfo; |
| LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK); |
| ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index); |
| cp_cache_entry->set_dynamic_call(cp, callInfo); |
| C2V_END |
| |
| C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) |
| constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); |
| Klass* holder = cp->klass_ref_at(index, CHECK); |
| Symbol* name = cp->name_ref_at(index); |
| if (MethodHandles::is_signature_polymorphic_name(holder, name)) { |
| CallInfo callInfo; |
| LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK); |
| ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index)); |
| cp_cache_entry->set_method_handle(cp, callInfo); |
| } |
| C2V_END |
| |
| C2V_VMENTRY_0(jint, isResolvedInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) |
| constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); |
| ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index)); |
| if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) { |
| // MethodHandle.invoke* --> LambdaForm? |
| ResourceMark rm; |
| |
| LinkInfo link_info(cp, index, CATCH); |
| |
| Klass* resolved_klass = link_info.resolved_klass(); |
| |
| Symbol* name_sym = cp->name_ref_at(index); |
| |
| vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!"); |
| vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!"); |
| |
| methodHandle adapter_method(THREAD, cp_cache_entry->f1_as_method()); |
| |
| methodHandle resolved_method(adapter_method); |
| |
| // Can we treat it as a regular invokevirtual? |
| if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) { |
| vmassert(!resolved_method->is_static(),"!"); |
| vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!"); |
| vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!"); |
| vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!"); |
| |
| methodHandle m(THREAD, LinkResolver::linktime_resolve_virtual_method_or_null(link_info)); |
| vmassert(m == resolved_method, "!!"); |
| return -1; |
| } |
| |
| return Bytecodes::_invokevirtual; |
| } |
| if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) { |
| return Bytecodes::_invokedynamic; |
| } |
| return -1; |
| C2V_END |
| |
| |
| C2V_VMENTRY_NULL(jobject, getSignaturePolymorphicHolders, (JNIEnv* env, jobject)) |
| JVMCIObjectArray holders = JVMCIENV->new_String_array(2, JVMCI_CHECK_NULL); |
| JVMCIObject mh = JVMCIENV->create_string("Ljava/lang/invoke/MethodHandle;", JVMCI_CHECK_NULL); |
| JVMCIObject vh = JVMCIENV->create_string("Ljava/lang/invoke/VarHandle;", JVMCI_CHECK_NULL); |
| JVMCIENV->put_object_at(holders, 0, mh); |
| JVMCIENV->put_object_at(holders, 1, vh); |
| return JVMCIENV->get_jobject(holders); |
| C2V_END |
| |
| C2V_VMENTRY_0(jboolean, shouldDebugNonSafepoints, (JNIEnv* env, jobject)) |
| //see compute_recording_non_safepoints in debugInfroRec.cpp |
| if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
| return true; |
| } |
| return DebugNonSafepoints; |
| C2V_END |
| |
| // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate); |
| C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv* env, jobject, jobject _hs_frame, bool invalidate)) |
| JVMCIObject hs_frame = JVMCIENV->wrap(_hs_frame); |
| if (hs_frame.is_null()) { |
| JVMCI_THROW_MSG(NullPointerException, "stack frame is null"); |
| } |
| |
| requireInHotSpot("materializeVirtualObjects", JVMCI_CHECK); |
| |
| JVMCIENV->HotSpotStackFrameReference_initialize(JVMCI_CHECK); |
| |
| // look for the given stack frame |
| StackFrameStream fst(thread, false); |
| intptr_t* stack_pointer = (intptr_t*) JVMCIENV->get_HotSpotStackFrameReference_stackPointer(hs_frame); |
| while (fst.current()->sp() != stack_pointer && !fst.is_done()) { |
| fst.next(); |
| } |
| if (fst.current()->sp() != stack_pointer) { |
| JVMCI_THROW_MSG(IllegalStateException, "stack frame not found"); |
| } |
| |
| if (invalidate) { |
| if (!fst.current()->is_compiled_frame()) { |
| JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected"); |
| } |
| assert(fst.current()->cb()->is_nmethod(), "nmethod expected"); |
| ((nmethod*) fst.current()->cb())->make_not_entrant(); |
| } |
| Deoptimization::deoptimize(thread, *fst.current(), Deoptimization::Reason_none); |
| // look for the frame again as it has been updated by deopt (pc, deopt state...) |
| StackFrameStream fstAfterDeopt(thread); |
| while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) { |
| fstAfterDeopt.next(); |
| } |
| if (fstAfterDeopt.current()->sp() != stack_pointer) { |
| JVMCI_THROW_MSG(IllegalStateException, "stack frame not found after deopt"); |
| } |
| |
| vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread); |
| if (!vf->is_compiled_frame()) { |
| JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected"); |
| } |
| |
| GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10); |
| while (true) { |
| assert(vf->is_compiled_frame(), "Wrong frame type"); |
| virtualFrames->push(compiledVFrame::cast(vf)); |
| if (vf->is_top()) { |
| break; |
| } |
| vf = vf->sender(); |
| } |
| |
| int last_frame_number = JVMCIENV->get_HotSpotStackFrameReference_frameNumber(hs_frame); |
| if (last_frame_number >= virtualFrames->length()) { |
| JVMCI_THROW_MSG(IllegalStateException, "invalid frame number"); |
| } |
| |
| // Reallocate the non-escaping objects and restore their fields. |
| assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope"); |
| GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects(); |
| |
| if (objects == NULL) { |
| // no objects to materialize |
| return; |
| } |
| |
| bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, CHECK); |
| Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false); |
| |
| for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) { |
| compiledVFrame* cvf = virtualFrames->at(frame_index); |
| |
| GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals(); |
| StackValueCollection* locals = cvf->locals(); |
| if (locals != NULL) { |
| for (int i2 = 0; i2 < locals->size(); i2++) { |
| StackValue* var = locals->at(i2); |
| if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) { |
| jvalue val; |
| val.l = cast_from_oop<jobject>(locals->at(i2)->get_obj()()); |
| cvf->update_local(T_OBJECT, i2, val); |
| } |
| } |
| } |
| |
| GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions(); |
| StackValueCollection* expressions = cvf->expressions(); |
| if (expressions != NULL) { |
| for (int i2 = 0; i2 < expressions->size(); i2++) { |
| StackValue* var = expressions->at(i2); |
| if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) { |
| jvalue val; |
| val.l = cast_from_oop<jobject>(expressions->at(i2)->get_obj()()); |
| cvf->update_stack(T_OBJECT, i2, val); |
| } |
| } |
| } |
| |
| GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors(); |
| GrowableArray<MonitorInfo*>* monitors = cvf->monitors(); |
| if (monitors != NULL) { |
| for (int i2 = 0; i2 < monitors->length(); i2++) { |
| cvf->update_monitor(i2, monitors->at(i2)); |
| } |
| } |
| } |
| |
| // all locals are materialized by now |
| JVMCIENV->set_HotSpotStackFrameReference_localIsVirtual(hs_frame, NULL); |
| // update the locals array |
| JVMCIObjectArray array = JVMCIENV->get_HotSpotStackFrameReference_locals(hs_frame); |
| StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals(); |
| for (int i = 0; i < locals->size(); i++) { |
| StackValue* var = locals->at(i); |
| if (var->type() == T_OBJECT) { |
| JVMCIENV->put_object_at(array, i, HotSpotJVMCI::wrap(locals->at(i)->get_obj()())); |
| } |
| } |
| HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, hs_frame, JNI_TRUE); |
| C2V_END |
| |
| // Creates a scope where the current thread is attached and detached |
| // from HotSpot if it wasn't already attached when entering the scope. |
| extern "C" void jio_printf(const char *fmt, ...); |
| class AttachDetach : public StackObj { |
| public: |
| bool _attached; |
| AttachDetach(JNIEnv* env, Thread* current_thread) { |
| if (current_thread == NULL) { |
| extern struct JavaVM_ main_vm; |
| JNIEnv* hotspotEnv; |
| jint res = main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL); |
| _attached = res == JNI_OK; |
| static volatile int report_attach_error = 0; |
| if (res != JNI_OK && report_attach_error == 0 && Atomic::cmpxchg(&report_attach_error, 0, 1) == 0) { |
| // Only report an attach error once |
| jio_printf("Warning: attaching current thread to VM failed with %d (future attach errors are suppressed)\n", res); |
| } |
| } else { |
| _attached = false; |
| } |
| } |
| ~AttachDetach() { |
| if (_attached && get_current_thread() != NULL) { |
| extern struct JavaVM_ main_vm; |
| jint res = main_vm.DetachCurrentThread(); |
| static volatile int report_detach_error = 0; |
| if (res != JNI_OK && report_detach_error == 0 && Atomic::cmpxchg(&report_detach_error, 0, 1) == 0) { |
| // Only report an attach error once |
| jio_printf("Warning: detaching current thread from VM failed with %d (future attach errors are suppressed)\n", res); |
| } |
| } |
| } |
| }; |
| |
| C2V_VMENTRY_PREFIX(jint, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length, bool flush, bool can_throw)) |
| AttachDetach ad(env, base_thread); |
| bool use_tty = true; |
| if (base_thread == NULL) { |
| if (!ad._attached) { |
| // Can only use tty if the current thread is attached |
| return 0; |
| } |
| base_thread = get_current_thread(); |
| } |
| JVMCITraceMark jtm("writeDebugOutput"); |
| assert(base_thread->is_Java_thread(), "just checking"); |
| JavaThread* thread = (JavaThread*) base_thread; |
| C2V_BLOCK(void, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length)) |
| if (bytes == NULL) { |
| if (can_throw) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| return -1; |
| } |
| JVMCIPrimitiveArray array = JVMCIENV->wrap(bytes); |
| |
| // Check if offset and length are non negative. |
| if (offset < 0 || length < 0) { |
| if (can_throw) { |
| JVMCI_THROW_0(ArrayIndexOutOfBoundsException); |
| } |
| return -2; |
| } |
| // Check if the range is valid. |
| int array_length = JVMCIENV->get_length(array); |
| if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array_length)) { |
| if (can_throw) { |
| JVMCI_THROW_0(ArrayIndexOutOfBoundsException); |
| } |
| return -2; |
| } |
| jbyte buffer[O_BUFLEN]; |
| while (length > 0) { |
| int copy_len = MIN2(length, (jint)O_BUFLEN); |
| JVMCIENV->copy_bytes_to(array, buffer, offset, copy_len); |
| tty->write((char*) buffer, copy_len); |
| length -= O_BUFLEN; |
| offset += O_BUFLEN; |
| } |
| if (flush) { |
| tty->flush(); |
| } |
| return 0; |
| C2V_END |
| |
| C2V_VMENTRY(void, flushDebugOutput, (JNIEnv* env, jobject)) |
| tty->flush(); |
| C2V_END |
| |
| C2V_VMENTRY_0(jint, methodDataProfileDataSize, (JNIEnv* env, jobject, jlong metaspace_method_data, jint position)) |
| MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data); |
| ProfileData* profile_data = mdo->data_at(position); |
| if (mdo->is_valid(profile_data)) { |
| return profile_data->size_in_bytes(); |
| } |
| DataLayout* data = mdo->extra_data_base(); |
| DataLayout* end = mdo->extra_data_limit(); |
| for (;; data = mdo->next_extra(data)) { |
| assert(data < end, "moved past end of extra data"); |
| profile_data = data->data_in(); |
| if (mdo->dp_to_di(profile_data->dp()) == position) { |
| return profile_data->size_in_bytes(); |
| } |
| } |
| JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Invalid profile data position %d", position)); |
| C2V_END |
| |
| C2V_VMENTRY_0(jlong, getFingerprint, (JNIEnv* env, jobject, jlong metaspace_klass)) |
| #if INCLUDE_AOT |
| Klass *k = (Klass*) (address) metaspace_klass; |
| if (k->is_instance_klass()) { |
| return InstanceKlass::cast(k)->get_stored_fingerprint(); |
| } else { |
| return 0; |
| } |
| #else |
| JVMCI_THROW_MSG_0(InternalError, "unimplemented"); |
| #endif |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, getHostClass, (JNIEnv* env, jobject, jobject jvmci_type)) |
| InstanceKlass* k = InstanceKlass::cast(JVMCIENV->asKlass(jvmci_type)); |
| InstanceKlass* host = k->unsafe_anonymous_host(); |
| JVMCIKlassHandle handle(THREAD, host); |
| JVMCIObject result = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, getInterfaces, (JNIEnv* env, jobject, jobject jvmci_type)) |
| if (jvmci_type == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| |
| Klass* klass = JVMCIENV->asKlass(jvmci_type); |
| if (klass == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| if (!klass->is_instance_klass()) { |
| JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name())); |
| } |
| InstanceKlass* iklass = InstanceKlass::cast(klass); |
| |
| // Regular instance klass, fill in all local interfaces |
| int size = iklass->local_interfaces()->length(); |
| JVMCIObjectArray interfaces = JVMCIENV->new_HotSpotResolvedObjectTypeImpl_array(size, JVMCI_CHECK_NULL); |
| for (int index = 0; index < size; index++) { |
| JVMCIKlassHandle klass(THREAD); |
| Klass* k = iklass->local_interfaces()->at(index); |
| klass = k; |
| JVMCIObject type = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); |
| JVMCIENV->put_object_at(interfaces, index, type); |
| } |
| return JVMCIENV->get_jobject(interfaces); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, getComponentType, (JNIEnv* env, jobject, jobject jvmci_type)) |
| if (jvmci_type == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| |
| Klass* klass = JVMCIENV->asKlass(jvmci_type); |
| oop mirror = klass->java_mirror(); |
| if (java_lang_Class::is_primitive(mirror) || |
| !java_lang_Class::as_Klass(mirror)->is_array_klass()) { |
| return NULL; |
| } |
| |
| oop component_mirror = java_lang_Class::component_mirror(mirror); |
| if (component_mirror == NULL) { |
| return NULL; |
| } |
| Klass* component_klass = java_lang_Class::as_Klass(component_mirror); |
| if (component_klass != NULL) { |
| JVMCIKlassHandle klass_handle(THREAD); |
| klass_handle = component_klass; |
| JVMCIObject result = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| } |
| BasicType type = java_lang_Class::primitive_type(component_mirror); |
| JVMCIObject result = JVMCIENV->get_jvmci_primitive_type(type); |
| return JVMCIENV->get_jobject(result); |
| C2V_END |
| |
| C2V_VMENTRY(void, ensureInitialized, (JNIEnv* env, jobject, jobject jvmci_type)) |
| if (jvmci_type == NULL) { |
| JVMCI_THROW(NullPointerException); |
| } |
| |
| Klass* klass = JVMCIENV->asKlass(jvmci_type); |
| if (klass != NULL && klass->should_be_initialized()) { |
| InstanceKlass* k = InstanceKlass::cast(klass); |
| k->initialize(CHECK); |
| } |
| C2V_END |
| |
| C2V_VMENTRY(void, ensureLinked, (JNIEnv* env, jobject, jobject jvmci_type)) |
| if (jvmci_type == NULL) { |
| JVMCI_THROW(NullPointerException); |
| } |
| |
| Klass* klass = JVMCIENV->asKlass(jvmci_type); |
| if (klass != NULL && klass->is_instance_klass()) { |
| InstanceKlass* k = InstanceKlass::cast(klass); |
| k->link_class(CHECK); |
| } |
| C2V_END |
| |
| C2V_VMENTRY_0(jint, interpreterFrameSize, (JNIEnv* env, jobject, jobject bytecode_frame_handle)) |
| if (bytecode_frame_handle == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| |
| JVMCIObject top_bytecode_frame = JVMCIENV->wrap(bytecode_frame_handle); |
| JVMCIObject bytecode_frame = top_bytecode_frame; |
| int size = 0; |
| int callee_parameters = 0; |
| int callee_locals = 0; |
| Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame)); |
| int extra_args = method->max_stack() - JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame); |
| |
| while (bytecode_frame.is_non_null()) { |
| int locks = JVMCIENV->get_BytecodeFrame_numLocks(bytecode_frame); |
| int temps = JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame); |
| bool is_top_frame = (JVMCIENV->equals(bytecode_frame, top_bytecode_frame)); |
| Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame)); |
| |
| int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(), |
| temps + callee_parameters, |
| extra_args, |
| locks, |
| callee_parameters, |
| callee_locals, |
| is_top_frame); |
| size += frame_size; |
| |
| callee_parameters = method->size_of_parameters(); |
| callee_locals = method->max_locals(); |
| extra_args = 0; |
| bytecode_frame = JVMCIENV->get_BytecodePosition_caller(bytecode_frame); |
| } |
| return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord; |
| C2V_END |
| |
| C2V_VMENTRY(void, compileToBytecode, (JNIEnv* env, jobject, jobject lambda_form_handle)) |
| Handle lambda_form = JVMCIENV->asConstant(JVMCIENV->wrap(lambda_form_handle), JVMCI_CHECK); |
| if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) { |
| TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode"); |
| JavaValue result(T_VOID); |
| JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK); |
| } else { |
| JVMCI_THROW_MSG(IllegalArgumentException, |
| err_msg("Unexpected type: %s", lambda_form->klass()->external_name())) |
| } |
| C2V_END |
| |
| C2V_VMENTRY_0(jint, getIdentityHashCode, (JNIEnv* env, jobject, jobject object)) |
| Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0); |
| return obj->identity_hash(); |
| C2V_END |
| |
| C2V_VMENTRY_0(jboolean, isInternedString, (JNIEnv* env, jobject, jobject object)) |
| Handle str = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0); |
| if (!java_lang_String::is_instance(str())) { |
| return false; |
| } |
| int len; |
| jchar* name = java_lang_String::as_unicode_string(str(), len, CHECK_false); |
| return (StringTable::lookup(name, len) != NULL); |
| C2V_END |
| |
| |
| C2V_VMENTRY_NULL(jobject, unboxPrimitive, (JNIEnv* env, jobject, jobject object)) |
| if (object == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| Handle box = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL); |
| BasicType type = java_lang_boxing_object::basic_type(box()); |
| jvalue result; |
| if (java_lang_boxing_object::get_value(box(), &result) == T_ILLEGAL) { |
| return NULL; |
| } |
| JVMCIObject boxResult = JVMCIENV->create_box(type, &result, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(boxResult); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, boxPrimitive, (JNIEnv* env, jobject, jobject object)) |
| if (object == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| JVMCIObject box = JVMCIENV->wrap(object); |
| BasicType type = JVMCIENV->get_box_type(box); |
| if (type == T_ILLEGAL) { |
| return NULL; |
| } |
| jvalue value = JVMCIENV->get_boxed_value(type, box); |
| JavaValue box_result(T_OBJECT); |
| JavaCallArguments jargs; |
| Klass* box_klass = NULL; |
| Symbol* box_signature = NULL; |
| #define BOX_CASE(bt, v, argtype, name) \ |
| case bt: \ |
| jargs.push_##argtype(value.v); \ |
| box_klass = SystemDictionary::name##_klass(); \ |
| box_signature = vmSymbols::name##_valueOf_signature(); \ |
| break |
| |
| switch (type) { |
| BOX_CASE(T_BOOLEAN, z, int, Boolean); |
| BOX_CASE(T_BYTE, b, int, Byte); |
| BOX_CASE(T_CHAR, c, int, Character); |
| BOX_CASE(T_SHORT, s, int, Short); |
| BOX_CASE(T_INT, i, int, Integer); |
| BOX_CASE(T_LONG, j, long, Long); |
| BOX_CASE(T_FLOAT, f, float, Float); |
| BOX_CASE(T_DOUBLE, d, double, Double); |
| default: |
| ShouldNotReachHere(); |
| } |
| #undef BOX_CASE |
| |
| JavaCalls::call_static(&box_result, |
| box_klass, |
| vmSymbols::valueOf_name(), |
| box_signature, &jargs, CHECK_NULL); |
| oop hotspot_box = (oop) box_result.get_jobject(); |
| JVMCIObject result = JVMCIENV->get_object_constant(hotspot_box, false); |
| return JVMCIENV->get_jobject(result); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobjectArray, getDeclaredConstructors, (JNIEnv* env, jobject, jobject holder)) |
| if (holder == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| Klass* klass = JVMCIENV->asKlass(holder); |
| if (!klass->is_instance_klass()) { |
| JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobjectArray(methods); |
| } |
| |
| InstanceKlass* iklass = InstanceKlass::cast(klass); |
| // Ensure class is linked |
| iklass->link_class(CHECK_NULL); |
| |
| GrowableArray<Method*> constructors_array; |
| for (int i = 0; i < iklass->methods()->length(); i++) { |
| Method* m = iklass->methods()->at(i); |
| if (m->is_initializer() && !m->is_static()) { |
| constructors_array.append(m); |
| } |
| } |
| JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(constructors_array.length(), JVMCI_CHECK_NULL); |
| for (int i = 0; i < constructors_array.length(); i++) { |
| methodHandle ctor(THREAD, constructors_array.at(i)); |
| JVMCIObject method = JVMCIENV->get_jvmci_method(ctor, JVMCI_CHECK_NULL); |
| JVMCIENV->put_object_at(methods, i, method); |
| } |
| return JVMCIENV->get_jobjectArray(methods); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobjectArray, getDeclaredMethods, (JNIEnv* env, jobject, jobject holder)) |
| if (holder == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| Klass* klass = JVMCIENV->asKlass(holder); |
| if (!klass->is_instance_klass()) { |
| JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobjectArray(methods); |
| } |
| |
| InstanceKlass* iklass = InstanceKlass::cast(klass); |
| // Ensure class is linked |
| iklass->link_class(CHECK_NULL); |
| |
| GrowableArray<Method*> methods_array; |
| for (int i = 0; i < iklass->methods()->length(); i++) { |
| Method* m = iklass->methods()->at(i); |
| if (!m->is_initializer() && !m->is_overpass()) { |
| methods_array.append(m); |
| } |
| } |
| JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(methods_array.length(), JVMCI_CHECK_NULL); |
| for (int i = 0; i < methods_array.length(); i++) { |
| methodHandle mh(THREAD, methods_array.at(i)); |
| JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL); |
| JVMCIENV->put_object_at(methods, i, method); |
| } |
| return JVMCIENV->get_jobjectArray(methods); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, readFieldValue, (JNIEnv* env, jobject, jobject object, jobject field, jboolean is_volatile)) |
| if (object == NULL || field == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| JVMCIObject field_object = JVMCIENV->wrap(field); |
| JVMCIObject java_type = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_type(field_object); |
| int modifiers = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_modifiers(field_object); |
| Klass* holder = JVMCIENV->asKlass(JVMCIENV->get_HotSpotResolvedJavaFieldImpl_holder(field_object)); |
| if (!holder->is_instance_klass()) { |
| JVMCI_THROW_MSG_0(InternalError, err_msg("Holder %s must be instance klass", holder->external_name())); |
| } |
| InstanceKlass* ik = InstanceKlass::cast(holder); |
| BasicType constant_type; |
| if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(java_type)) { |
| constant_type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(java_type), JVMCI_CHECK_NULL); |
| } else { |
| constant_type = T_OBJECT; |
| } |
| int displacement = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_offset(field_object); |
| fieldDescriptor fd; |
| if (!ik->find_local_field_from_offset(displacement, (modifiers & JVM_ACC_STATIC) != 0, &fd)) { |
| JVMCI_THROW_MSG_0(InternalError, err_msg("Can't find field with displacement %d", displacement)); |
| } |
| JVMCIObject base = JVMCIENV->wrap(object); |
| Handle obj; |
| if (JVMCIENV->isa_HotSpotObjectConstantImpl(base)) { |
| obj = JVMCIENV->asConstant(base, JVMCI_CHECK_NULL); |
| } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base)) { |
| Klass* klass = JVMCIENV->asKlass(base); |
| obj = Handle(THREAD, klass->java_mirror()); |
| } else { |
| JVMCI_THROW_MSG_NULL(IllegalArgumentException, |
| err_msg("Unexpected type: %s", JVMCIENV->klass_name(base))); |
| } |
| jlong value = 0; |
| JVMCIObject kind; |
| switch (constant_type) { |
| case T_OBJECT: { |
| oop object = is_volatile ? obj->obj_field_acquire(displacement) : obj->obj_field(displacement); |
| JVMCIObject result = JVMCIENV->get_object_constant(object); |
| if (result.is_null()) { |
| return JVMCIENV->get_jobject(JVMCIENV->get_JavaConstant_NULL_POINTER()); |
| } |
| return JVMCIENV->get_jobject(result); |
| } |
| case T_FLOAT: { |
| float f = is_volatile ? obj->float_field_acquire(displacement) : obj->float_field(displacement); |
| JVMCIObject result = JVMCIENV->call_JavaConstant_forFloat(f, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| } |
| case T_DOUBLE: { |
| double f = is_volatile ? obj->double_field_acquire(displacement) : obj->double_field(displacement); |
| JVMCIObject result = JVMCIENV->call_JavaConstant_forDouble(f, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| } |
| case T_BOOLEAN: value = is_volatile ? obj->bool_field_acquire(displacement) : obj->bool_field(displacement); break; |
| case T_BYTE: value = is_volatile ? obj->byte_field_acquire(displacement) : obj->byte_field(displacement); break; |
| case T_SHORT: value = is_volatile ? obj->short_field_acquire(displacement) : obj->short_field(displacement); break; |
| case T_CHAR: value = is_volatile ? obj->char_field_acquire(displacement) : obj->char_field(displacement); break; |
| case T_INT: value = is_volatile ? obj->int_field_acquire(displacement) : obj->int_field(displacement); break; |
| case T_LONG: value = is_volatile ? obj->long_field_acquire(displacement) : obj->long_field(displacement); break; |
| default: |
| ShouldNotReachHere(); |
| } |
| JVMCIObject result = JVMCIENV->call_PrimitiveConstant_forTypeChar(type2char(constant_type), value, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| C2V_END |
| |
| C2V_VMENTRY_0(jboolean, isInstance, (JNIEnv* env, jobject, jobject holder, jobject object)) |
| if (object == NULL || holder == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0); |
| Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder)); |
| return obj->is_a(klass); |
| C2V_END |
| |
| C2V_VMENTRY_0(jboolean, isAssignableFrom, (JNIEnv* env, jobject, jobject holder, jobject otherHolder)) |
| if (holder == NULL || otherHolder == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder)); |
| Klass* otherKlass = JVMCIENV->asKlass(JVMCIENV->wrap(otherHolder)); |
| return otherKlass->is_subtype_of(klass); |
| C2V_END |
| |
| C2V_VMENTRY_0(jboolean, isTrustedForIntrinsics, (JNIEnv* env, jobject, jobject holder)) |
| if (holder == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| InstanceKlass* ik = InstanceKlass::cast(JVMCIENV->asKlass(JVMCIENV->wrap(holder))); |
| if (ik->class_loader_data()->is_boot_class_loader_data() || ik->class_loader_data()->is_platform_class_loader_data()) { |
| return true; |
| } |
| return false; |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, asJavaType, (JNIEnv* env, jobject, jobject object)) |
| if (object == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL); |
| if (java_lang_Class::is_instance(obj())) { |
| if (java_lang_Class::is_primitive(obj())) { |
| JVMCIObject type = JVMCIENV->get_jvmci_primitive_type(java_lang_Class::primitive_type(obj())); |
| return JVMCIENV->get_jobject(type); |
| } |
| Klass* klass = java_lang_Class::as_Klass(obj()); |
| JVMCIKlassHandle klass_handle(THREAD); |
| klass_handle = klass; |
| JVMCIObject type = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(type); |
| } |
| return NULL; |
| C2V_END |
| |
| |
| C2V_VMENTRY_NULL(jobject, asString, (JNIEnv* env, jobject, jobject object)) |
| if (object == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL); |
| const char* str = java_lang_String::as_utf8_string(obj()); |
| JVMCIObject result = JVMCIENV->create_string(str, JVMCI_CHECK_NULL); |
| return JVMCIENV->get_jobject(result); |
| C2V_END |
| |
| |
| C2V_VMENTRY_0(jboolean, equals, (JNIEnv* env, jobject, jobject x, jlong xHandle, jobject y, jlong yHandle)) |
| if (x == NULL || y == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| return JVMCIENV->resolve_handle(xHandle) == JVMCIENV->resolve_handle(yHandle); |
| C2V_END |
| |
| C2V_VMENTRY_NULL(jobject, getJavaMirror, (JNIEnv* env, jobject, jobject object)) |
| if (object == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| JVMCIObject base_object = JVMCIENV->wrap(object); |
| Handle mirror; |
| if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) { |
| mirror = Handle(THREAD, JVMCIENV->asKlass(base_object)->java_mirror()); |
| } else if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(base_object)) { |
| mirror = JVMCIENV->asConstant(JVMCIENV->get_HotSpotResolvedPrimitiveType_mirror(base_object), JVMCI_CHECK_NULL); |
| } else { |
| JVMCI_THROW_MSG_NULL(IllegalArgumentException, |
| err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object))); |
| } |
| JVMCIObject result = JVMCIENV->get_object_constant(mirror()); |
| return JVMCIENV->get_jobject(result); |
| C2V_END |
| |
| |
| C2V_VMENTRY_0(jint, getArrayLength, (JNIEnv* env, jobject, jobject x)) |
| if (x == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); |
| if (xobj->klass()->is_array_klass()) { |
| return arrayOop(xobj())->length(); |
| } |
| return -1; |
| C2V_END |
| |
| |
| C2V_VMENTRY_NULL(jobject, readArrayElement, (JNIEnv* env, jobject, jobject x, int index)) |
| if (x == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_NULL); |
| if (xobj->klass()->is_array_klass()) { |
| arrayOop array = arrayOop(xobj()); |
| BasicType element_type = ArrayKlass::cast(array->klass())->element_type(); |
| if (index < 0 || index >= array->length()) { |
| return NULL; |
| } |
| JVMCIObject result; |
| |
| if (element_type == T_OBJECT) { |
| result = JVMCIENV->get_object_constant(objArrayOop(xobj())->obj_at(index)); |
| if (result.is_null()) { |
| result = JVMCIENV->get_JavaConstant_NULL_POINTER(); |
| } |
| } else { |
| jvalue value; |
| switch (element_type) { |
| case T_DOUBLE: value.d = typeArrayOop(xobj())->double_at(index); break; |
| case T_FLOAT: value.f = typeArrayOop(xobj())->float_at(index); break; |
| case T_LONG: value.j = typeArrayOop(xobj())->long_at(index); break; |
| case T_INT: value.i = typeArrayOop(xobj())->int_at(index); break; |
| case T_SHORT: value.s = typeArrayOop(xobj())->short_at(index); break; |
| case T_CHAR: value.c = typeArrayOop(xobj())->char_at(index); break; |
| case T_BYTE: value.b = typeArrayOop(xobj())->byte_at(index); break; |
| case T_BOOLEAN: value.z = typeArrayOop(xobj())->byte_at(index) & 1; break; |
| default: ShouldNotReachHere(); |
| } |
| result = JVMCIENV->create_box(element_type, &value, JVMCI_CHECK_NULL); |
| } |
| assert(!result.is_null(), "must have a value"); |
| return JVMCIENV->get_jobject(result); |
| } |
| return NULL;; |
| C2V_END |
| |
| |
| C2V_VMENTRY_0(jint, arrayBaseOffset, (JNIEnv* env, jobject, jobject kind)) |
| if (kind == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0); |
| return arrayOopDesc::header_size(type) * HeapWordSize; |
| C2V_END |
| |
| C2V_VMENTRY_0(jint, arrayIndexScale, (JNIEnv* env, jobject, jobject kind)) |
| if (kind == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0); |
| return type2aelembytes(type); |
| C2V_END |
| |
| C2V_VMENTRY_0(jbyte, getByte, (JNIEnv* env, jobject, jobject x, long displacement)) |
| if (x == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); |
| return xobj->byte_field(displacement); |
| } |
| |
| C2V_VMENTRY_0(jshort, getShort, (JNIEnv* env, jobject, jobject x, long displacement)) |
| if (x == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); |
| return xobj->short_field(displacement); |
| } |
| |
| C2V_VMENTRY_0(jint, getInt, (JNIEnv* env, jobject, jobject x, long displacement)) |
| if (x == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); |
| return xobj->int_field(displacement); |
| } |
| |
| C2V_VMENTRY_0(jlong, getLong, (JNIEnv* env, jobject, jobject x, long displacement)) |
| if (x == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); |
| return xobj->long_field(displacement); |
| } |
| |
| C2V_VMENTRY_NULL(jobject, getObject, (JNIEnv* env, jobject, jobject x, long displacement)) |
| if (x == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); |
| oop res = xobj->obj_field(displacement); |
| JVMCIObject result = JVMCIENV->get_object_constant(res); |
| return JVMCIENV->get_jobject(result); |
| } |
| |
| C2V_VMENTRY(void, deleteGlobalHandle, (JNIEnv* env, jobject, jlong h)) |
| jobject handle = (jobject)(address)h; |
| if (handle != NULL) { |
| JVMCI::destroy_global(handle); |
| } |
| } |
| |
| static void requireJVMCINativeLibrary(JVMCI_TRAPS) { |
| if (!UseJVMCINativeLibrary) { |
| JVMCI_THROW_MSG(UnsupportedOperationException, "JVMCI shared library is not enabled (requires -XX:+UseJVMCINativeLibrary)"); |
| } |
| } |
| |
| static JavaVM* requireNativeLibraryJavaVM(const char* caller, JVMCI_TRAPS) { |
| JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm(); |
| if (javaVM == NULL) { |
| JVMCI_THROW_MSG_NULL(IllegalStateException, err_msg("Require JVMCI shared library to be initialized in %s", caller)); |
| } |
| return javaVM; |
| } |
| |
| C2V_VMENTRY_NULL(jlongArray, registerNativeMethods, (JNIEnv* env, jobject, jclass mirror)) |
| requireJVMCINativeLibrary(JVMCI_CHECK_NULL); |
| requireInHotSpot("registerNativeMethods", JVMCI_CHECK_NULL); |
| void* shared_library = JVMCIEnv::get_shared_library_handle(); |
| if (shared_library == NULL) { |
| // Ensure the JVMCI shared library runtime is initialized. |
| JVMCIEnv __peer_jvmci_env__(thread, false, __FILE__, __LINE__); |
| JVMCIEnv* peerEnv = &__peer_jvmci_env__; |
| HandleMark hm; |
| JVMCIRuntime* runtime = JVMCI::compiler_runtime(); |
| JVMCIObject receiver = runtime->get_HotSpotJVMCIRuntime(peerEnv); |
| if (peerEnv->has_pending_exception()) { |
| peerEnv->describe_pending_exception(true); |
| } |
| shared_library = JVMCIEnv::get_shared_library_handle(); |
| if (shared_library == NULL) { |
| JVMCI_THROW_MSG_0(InternalError, "Error initializing JVMCI runtime"); |
| } |
| } |
| |
| if (mirror == NULL) { |
| JVMCI_THROW_0(NullPointerException); |
| } |
| Klass* klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror)); |
| if (klass == NULL || !klass->is_instance_klass()) { |
| JVMCI_THROW_MSG_0(IllegalArgumentException, "clazz is for primitive type"); |
| } |
| |
| InstanceKlass* iklass = InstanceKlass::cast(klass); |
| for (int i = 0; i < iklass->methods()->length(); i++) { |
| methodHandle method(THREAD, iklass->methods()->at(i)); |
| if (method->is_native()) { |
| |
| // Compute argument size |
| int args_size = 1 // JNIEnv |
| + (method->is_static() ? 1 : 0) // class for static methods |
| + method->size_of_parameters(); // actual parameters |
| |
| // 1) Try JNI short style |
| stringStream st; |
| char* pure_name = NativeLookup::pure_jni_name(method); |
| os::print_jni_name_prefix_on(&st, args_size); |
| st.print_raw(pure_name); |
| os::print_jni_name_suffix_on(&st, args_size); |
| char* jni_name = st.as_string(); |
| |
| address entry = (address) os::dll_lookup(shared_library, jni_name); |
| if (entry == NULL) { |
| // 2) Try JNI long style |
| st.reset(); |
| char* long_name = NativeLookup::long_jni_name(method); |
| os::print_jni_name_prefix_on(&st, args_size); |
| st.print_raw(pure_name); |
| st.print_raw(long_name); |
| os::print_jni_name_suffix_on(&st, args_size); |
| char* jni_long_name = st.as_string(); |
| entry = (address) os::dll_lookup(shared_library, jni_long_name); |
| if (entry == NULL) { |
| JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [neither %s nor %s exist in %s]", |
| method->name_and_sig_as_C_string(), |
| jni_name, jni_long_name, JVMCIEnv::get_shared_library_path())); |
| } |
| } |
| |
| if (method->has_native_function() && entry != method->native_function()) { |
| JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [cannot re-link from " PTR_FORMAT " to " PTR_FORMAT "]", |
| method->name_and_sig_as_C_string(), p2i(method->native_function()), p2i(entry))); |
| } |
| method->set_native_function(entry, Method::native_bind_event_is_interesting); |
| log_debug(jni, resolve)("[Dynamic-linking native method %s.%s ... JNI]", |
| method->method_holder()->external_name(), |
| method->name()->as_C_string()); |
| } |
| } |
| |
| JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm(); |
| JVMCIPrimitiveArray result = JVMCIENV->new_longArray(4, JVMCI_CHECK_NULL); |
| JVMCIENV->put_long_at(result, 0, (jlong) (address) javaVM); |
| JVMCIENV->put_long_at(result, 1, (jlong) (address) javaVM->functions->reserved0); |
| JVMCIENV->put_long_at(result, 2, (jlong) (address) javaVM->functions->reserved1); |
| JVMCIENV->put_long_at(result, 3, (jlong) (address) javaVM->functions->reserved2); |
| return (jlongArray) JVMCIENV->get_jobject(result); |
| } |
| |
| C2V_VMENTRY_PREFIX(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject c2vm)) |
| if (base_thread == NULL) { |
| // Called from unattached JVMCI shared library thread |
| return false; |
| } |
| JVMCITraceMark jtm("isCurrentThreadAttached"); |
| assert(base_thread->is_Java_thread(), "just checking"); |
| JavaThread* thread = (JavaThread*) base_thread; |
| if (thread->jni_environment() == env) { |
| C2V_BLOCK(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject)) |
| requireJVMCINativeLibrary(JVMCI_CHECK_0); |
| JavaVM* javaVM = requireNativeLibraryJavaVM("isCurrentThreadAttached", JVMCI_CHECK_0); |
| JNIEnv* peerEnv; |
| return javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK; |
| } |
| return true; |
| C2V_END |
| |
| C2V_VMENTRY_PREFIX(jlong, getCurrentJavaThread, (JNIEnv* env, jobject c2vm)) |
| if (base_thread == NULL) { |
| // Called from unattached JVMCI shared library thread |
| return 0L; |
| } |
| JVMCITraceMark jtm("getCurrentJavaThread"); |
| assert(base_thread->is_Java_thread(), "just checking"); |
| return (jlong) p2i(base_thread); |
| C2V_END |
| |
| C2V_VMENTRY_PREFIX(jboolean, attachCurrentThread, (JNIEnv* env, jobject c2vm, jboolean as_daemon)) |
| if (base_thread == NULL) { |
| // Called from unattached JVMCI shared library thread |
| extern struct JavaVM_ main_vm; |
| JNIEnv* hotspotEnv; |
| jint res = as_daemon ? main_vm.AttachCurrentThreadAsDaemon((void**)&hotspotEnv, NULL) : |
| main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL); |
| if (res != JNI_OK) { |
| JNI_THROW_("attachCurrentThread", InternalError, err_msg("Trying to attach thread returned %d", res), false); |
| } |
| return true; |
| } |
| JVMCITraceMark jtm("attachCurrentThread"); |
| assert(base_thread->is_Java_thread(), "just checking");\ |
| JavaThread* thread = (JavaThread*) base_thread; |
| if (thread->jni_environment() == env) { |
| // Called from HotSpot |
| C2V_BLOCK(jboolean, attachCurrentThread, (JNIEnv* env, jobject, jboolean)) |
| requireJVMCINativeLibrary(JVMCI_CHECK_0); |
| JavaVM* javaVM = requireNativeLibraryJavaVM("attachCurrentThread", JVMCI_CHECK_0); |
| JavaVMAttachArgs attach_args; |
| attach_args.version = JNI_VERSION_1_2; |
| attach_args.name = thread->name(); |
| attach_args.group = NULL; |
| JNIEnv* peerEnv; |
| if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK) { |
| return false; |
| } |
| jint res = as_daemon ? javaVM->AttachCurrentThreadAsDaemon((void**)&peerEnv, &attach_args) : |
| javaVM->AttachCurrentThread((void**)&peerEnv, &attach_args); |
| if (res == JNI_OK) { |
| guarantee(peerEnv != NULL, "must be"); |
| return true; |
| } |
| JVMCI_THROW_MSG_0(InternalError, err_msg("Error %d while attaching %s", res, attach_args.name)); |
| } |
| // Called from JVMCI shared library |
| return false; |
| C2V_END |
| |
| C2V_VMENTRY_PREFIX(void, detachCurrentThread, (JNIEnv* env, jobject c2vm)) |
| if (base_thread == NULL) { |
| // Called from unattached JVMCI shared library thread |
| JNI_THROW("detachCurrentThread", IllegalStateException, err_msg("Cannot detach non-attached thread")); |
| } |
| JVMCITraceMark jtm("detachCurrentThread"); |
| assert(base_thread->is_Java_thread(), "just checking");\ |
| JavaThread* thread = (JavaThread*) base_thread; |
| if (thread->jni_environment() == env) { |
| // Called from HotSpot |
| C2V_BLOCK(void, detachCurrentThread, (JNIEnv* env, jobject)) |
| requireJVMCINativeLibrary(JVMCI_CHECK); |
| requireInHotSpot("detachCurrentThread", JVMCI_CHECK); |
| JavaVM* javaVM = requireNativeLibraryJavaVM("detachCurrentThread", JVMCI_CHECK); |
| JNIEnv* peerEnv; |
| if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) != JNI_OK) { |
| JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot detach non-attached thread: %s", thread->name())); |
| } |
| jint res = javaVM->DetachCurrentThread(); |
| if (res != JNI_OK) { |
| JVMCI_THROW_MSG(InternalError, err_msg("Error %d while attaching %s", res, thread->name())); |
| } |
| } else { |
| // Called from attached JVMCI shared library thread |
| extern struct JavaVM_ main_vm; |
| jint res = main_vm.DetachCurrentThread(); |
| if (res != JNI_OK) { |
| JNI_THROW("detachCurrentThread", InternalError, err_msg("Cannot detach non-attached thread")); |
| } |
| } |
| C2V_END |
| |
| C2V_VMENTRY_0(jlong, translate, (JNIEnv* env, jobject, jobject obj_handle)) |
| requireJVMCINativeLibrary(JVMCI_CHECK_0); |
| if (obj_handle == NULL) { |
| return 0L; |
| } |
| JVMCIEnv __peer_jvmci_env__(thread, !JVMCIENV->is_hotspot(), __FILE__, __LINE__); |
| JVMCIEnv* peerEnv = &__peer_jvmci_env__; |
| JVMCIEnv* thisEnv = JVMCIENV; |
| |
| JVMCIObject obj = thisEnv->wrap(obj_handle); |
| JVMCIObject result; |
| if (thisEnv->isa_HotSpotResolvedJavaMethodImpl(obj)) { |
| methodHandle method(THREAD, thisEnv->asMethod(obj)); |
| result = peerEnv->get_jvmci_method(method, JVMCI_CHECK_0); |
| } else if (thisEnv->isa_HotSpotResolvedObjectTypeImpl(obj)) { |
| Klass* klass = thisEnv->asKlass(obj); |
| JVMCIKlassHandle klass_handle(THREAD); |
| klass_handle = klass; |
| result = peerEnv->get_jvmci_type(klass_handle, JVMCI_CHECK_0); |
| } else if (thisEnv->isa_HotSpotResolvedPrimitiveType(obj)) { |
| BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(obj), JVMCI_CHECK_0); |
| result = peerEnv->get_jvmci_primitive_type(type); |
| } else if (thisEnv->isa_IndirectHotSpotObjectConstantImpl(obj) || |
| thisEnv->isa_DirectHotSpotObjectConstantImpl(obj)) { |
| Handle constant = thisEnv->asConstant(obj, JVMCI_CHECK_0); |
| result = peerEnv->get_object_constant(constant()); |
| } else if (thisEnv->isa_HotSpotNmethod(obj)) { |
| nmethodLocker locker; |
| nmethod* nm = JVMCIENV->get_nmethod(obj, locker); |
| if (nm != NULL) { |
| JVMCINMethodData* data = nm->jvmci_nmethod_data(); |
| if (data != NULL) { |
| if (peerEnv->is_hotspot()) { |
| // Only the mirror in the HotSpot heap is accessible |
| // through JVMCINMethodData |
| oop nmethod_mirror = data->get_nmethod_mirror(nm, /* phantom_ref */ true); |
| if (nmethod_mirror != NULL) { |
| result = HotSpotJVMCI::wrap(nmethod_mirror); |
| } |
| } |
| } |
| } |
| if (result.is_null()) { |
| JVMCIObject methodObject = thisEnv->get_HotSpotNmethod_method(obj); |
| methodHandle mh(THREAD, thisEnv->asMethod(methodObject)); |
| jboolean isDefault = thisEnv->get_HotSpotNmethod_isDefault(obj); |
| jlong compileIdSnapshot = thisEnv->get_HotSpotNmethod_compileIdSnapshot(obj); |
| JVMCIObject name_string = thisEnv->get_InstalledCode_name(obj); |
| const char* cstring = name_string.is_null() ? NULL : thisEnv->as_utf8_string(name_string); |
| // Create a new HotSpotNmethod instance in the peer runtime |
| result = peerEnv->new_HotSpotNmethod(mh, cstring, isDefault, compileIdSnapshot, JVMCI_CHECK_0); |
| if (nm == NULL) { |
| // nmethod must have been unloaded |
| } else { |
| // Link the new HotSpotNmethod to the nmethod |
| peerEnv->initialize_installed_code(result, nm, JVMCI_CHECK_0); |
| // Only HotSpotNmethod instances in the HotSpot heap are tracked directly by the runtime. |
| if (peerEnv->is_hotspot()) { |
| JVMCINMethodData* data = nm->jvmci_nmethod_data(); |
| if (data == NULL) { |
| JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot set HotSpotNmethod mirror for default nmethod"); |
| } |
| if (data->get_nmethod_mirror(nm, /* phantom_ref */ false) != NULL) { |
| JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot overwrite existing HotSpotNmethod mirror for nmethod"); |
| } |
| oop nmethod_mirror = HotSpotJVMCI::resolve(result); |
| data->set_nmethod_mirror(nm, nmethod_mirror); |
| } |
| } |
| } |
| } else { |
| JVMCI_THROW_MSG_0(IllegalArgumentException, |
| err_msg("Cannot translate object of type: %s", thisEnv->klass_name(obj))); |
| } |
| return (jlong) peerEnv->make_global(result).as_jobject(); |
| } |
| |
| C2V_VMENTRY_NULL(jobject, unhand, (JNIEnv* env, jobject, jlong obj_handle)) |
| requireJVMCINativeLibrary(JVMCI_CHECK_NULL); |
| if (obj_handle == 0L) { |
| return NULL; |
| } |
| jobject global_handle = (jobject) obj_handle; |
| JVMCIObject global_handle_obj = JVMCIENV->wrap((jobject) obj_handle); |
| jobject result = JVMCIENV->make_local(global_handle_obj).as_jobject(); |
| |
| JVMCIENV->destroy_global(global_handle_obj); |
| return result; |
| } |
| |
| C2V_VMENTRY(void, updateHotSpotNmethod, (JNIEnv* env, jobject, jobject code_handle)) |
| JVMCIObject code = JVMCIENV->wrap(code_handle); |
| // Execute this operation for the side effect of updating the InstalledCode state |
| nmethodLocker locker; |
| JVMCIENV->get_nmethod(code, locker); |
| } |
| |
| C2V_VMENTRY_NULL(jbyteArray, getCode, (JNIEnv* env, jobject, jobject code_handle)) |
| JVMCIObject code = JVMCIENV->wrap(code_handle); |
| nmethodLocker locker; |
| CodeBlob* cb = JVMCIENV->get_code_blob(code, locker); |
| if (cb == NULL) { |
| return NULL; |
| } |
| int code_size = cb->code_size(); |
| JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL); |
| JVMCIENV->copy_bytes_from((jbyte*) cb->code_begin(), result, 0, code_size); |
| return JVMCIENV->get_jbyteArray(result); |
| } |
| |
| C2V_VMENTRY_NULL(jobject, asReflectionExecutable, (JNIEnv* env, jobject, jobject jvmci_method)) |
| requireInHotSpot("asReflectionExecutable", JVMCI_CHECK_NULL); |
| methodHandle m(THREAD, JVMCIENV->asMethod(jvmci_method)); |
| oop executable; |
| if (m->is_initializer()) { |
| if (m->is_static_initializer()) { |
| JVMCI_THROW_MSG_NULL(IllegalArgumentException, |
| "Cannot create java.lang.reflect.Method for class initializer"); |
| } |
| executable = Reflection::new_constructor(m, CHECK_NULL); |
| } else { |
| executable = Reflection::new_method(m, false, CHECK_NULL); |
| } |
| return JNIHandles::make_local(THREAD, executable); |
| } |
| |
| C2V_VMENTRY_NULL(jobject, asReflectionField, (JNIEnv* env, jobject, jobject jvmci_type, jint index)) |
| requireInHotSpot("asReflectionField", JVMCI_CHECK_NULL); |
| Klass* klass = JVMCIENV->asKlass(jvmci_type); |
| if (!klass->is_instance_klass()) { |
| JVMCI_THROW_MSG_NULL(IllegalArgumentException, |
| err_msg("Expected non-primitive type, got %s", klass->external_name())); |
| } |
| InstanceKlass* iklass = InstanceKlass::cast(klass); |
| Array<u2>* fields = iklass->fields(); |
| if (index < 0 ||index > fields->length()) { |
| JVMCI_THROW_MSG_NULL(IllegalArgumentException, |
| err_msg("Field index %d out of bounds for %s", index, klass->external_name())); |
| } |
| fieldDescriptor fd(iklass, index); |
| oop reflected = Reflection::new_field(&fd, CHECK_NULL); |
| return JNIHandles::make_local(env, reflected); |
| } |
| |
| C2V_VMENTRY_NULL(jobjectArray, getFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address, jobjectArray current)) |
| FailedSpeculation* head = *((FailedSpeculation**)(address) failed_speculations_address); |
| int result_length = 0; |
| for (FailedSpeculation* fs = head; fs != NULL; fs = fs->next()) { |
| result_length++; |
| } |
| int current_length = 0; |
| JVMCIObjectArray current_array = NULL; |
| if (current != NULL) { |
| current_array = JVMCIENV->wrap(current); |
| current_length = JVMCIENV->get_length(current_array); |
| if (current_length == result_length) { |
| // No new failures |
| return current; |
| } |
| } |
| JVMCIObjectArray result = JVMCIENV->new_byte_array_array(result_length, JVMCI_CHECK_NULL); |
| int result_index = 0; |
| for (FailedSpeculation* fs = head; result_index < result_length; fs = fs->next()) { |
| assert(fs != NULL, "npe"); |
| JVMCIPrimitiveArray entry; |
| if (result_index < current_length) { |
| entry = (JVMCIPrimitiveArray) JVMCIENV->get_object_at(current_array, result_index); |
| } else { |
| entry = JVMCIENV->new_byteArray(fs->data_len(), JVMCI_CHECK_NULL); |
| JVMCIENV->copy_bytes_from((jbyte*) fs->data(), entry, 0, fs->data_len()); |
| } |
| JVMCIENV->put_object_at(result, result_index++, entry); |
| } |
| return JVMCIENV->get_jobjectArray(result); |
| } |
| |
| C2V_VMENTRY_0(jlong, getFailedSpeculationsAddress, (JNIEnv* env, jobject, jobject jvmci_method)) |
| methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); |
| MethodData* method_data = method->method_data(); |
| if (method_data == NULL) { |
| ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); |
| method_data = MethodData::allocate(loader_data, method, CHECK_0); |
| method->set_method_data(method_data); |
| } |
| return (jlong) method_data->get_failed_speculations_address(); |
| } |
| |
| C2V_VMENTRY(void, releaseFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address)) |
| FailedSpeculation::free_failed_speculations((FailedSpeculation**)(address) failed_speculations_address); |
| } |
| |
| C2V_VMENTRY_0(jboolean, addFailedSpeculation, (JNIEnv* env, jobject, jlong failed_speculations_address, jbyteArray speculation_obj)) |
| JVMCIPrimitiveArray speculation_handle = JVMCIENV->wrap(speculation_obj); |
| int speculation_len = JVMCIENV->get_length(speculation_handle); |
| char* speculation = NEW_RESOURCE_ARRAY(char, speculation_len); |
| JVMCIENV->copy_bytes_to(speculation_handle, (jbyte*) speculation, 0, speculation_len); |
| return FailedSpeculation::add_failed_speculation(NULL, (FailedSpeculation**)(address) failed_speculations_address, (address) speculation, speculation_len); |
| } |
| |
| C2V_VMENTRY(void, callSystemExit, (JNIEnv* env, jobject, jint status)) |
| JavaValue result(T_VOID); |
| JavaCallArguments jargs(1); |
| jargs.push_int(status); |
| JavaCalls::call_static(&result, |
| SystemDictionary::System_klass(), |
| vmSymbols::exit_method_name(), |
| vmSymbols::int_void_signature(), |
| &jargs, |
| CHECK); |
| } |
| |
| C2V_VMENTRY_0(jlong, ticksNow, (JNIEnv* env, jobject)) |
| return CompilerEvent::ticksNow(); |
| } |
| |
| C2V_VMENTRY_0(jint, registerCompilerPhases, (JNIEnv* env, jobject, jobjectArray jphases)) |
| #if INCLUDE_JFR |
| if (jphases == NULL) { |
| return -1; |
| } |
| JVMCIObjectArray phases = JVMCIENV->wrap(jphases); |
| int len = JVMCIENV->get_length(phases); |
| GrowableArray<const char*>* jvmci_phase_names = new GrowableArray<const char*>(len); |
| for (int i = 0; i < len; i++) { |
| JVMCIObject phase = JVMCIENV->get_object_at(phases, i); |
| jvmci_phase_names->append(strdup(JVMCIENV->as_utf8_string(phase))); |
| } |
| return CompilerEvent::PhaseEvent::register_phases(jvmci_phase_names); |
| #else |
| return -1; |
| #endif // !INCLUDE_JFR |
| } |
| |
| C2V_VMENTRY(void, notifyCompilerPhaseEvent, (JNIEnv* env, jobject, jlong startTime, jint phase, jint compileId, jint level)) |
| EventCompilerPhase event; |
| if (event.should_commit()) { |
| CompilerEvent::PhaseEvent::post(event, startTime, phase, compileId, level); |
| } |
| } |
| |
| C2V_VMENTRY(void, notifyCompilerInliningEvent, (JNIEnv* env, jobject, jint compileId, jobject caller, jobject callee, jboolean succeeded, jstring jmessage, jint bci)) |
| EventCompilerInlining event; |
| if (event.should_commit()) { |
| Method* caller_method = JVMCIENV->asMethod(caller); |
| Method* callee_method = JVMCIENV->asMethod(callee); |
| JVMCIObject message = JVMCIENV->wrap(jmessage); |
| CompilerEvent::InlineEvent::post(event, compileId, caller_method, callee_method, succeeded, JVMCIENV->as_utf8_string(message), bci); |
| } |
| } |
| |
| #define CC (char*) /*cast a literal from (const char*)*/ |
| #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f)) |
| |
| #define STRING "Ljava/lang/String;" |
| #define OBJECT "Ljava/lang/Object;" |
| #define CLASS "Ljava/lang/Class;" |
| #define OBJECTCONSTANT "Ljdk/vm/ci/hotspot/HotSpotObjectConstantImpl;" |
| #define HANDLECONSTANT "Ljdk/vm/ci/hotspot/IndirectHotSpotObjectConstantImpl;" |
| #define EXECUTABLE "Ljava/lang/reflect/Executable;" |
| #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;" |
| #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;" |
| #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;" |
| #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;" |
| #define JAVACONSTANT "Ljdk/vm/ci/meta/JavaConstant;" |
| #define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;" |
| #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;" |
| #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;" |
| #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;" |
| #define HS_RESOLVED_TYPE "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaType;" |
| #define HS_RESOLVED_FIELD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaField;" |
| #define HS_INSTALLED_CODE "Ljdk/vm/ci/hotspot/HotSpotInstalledCode;" |
| #define HS_NMETHOD "Ljdk/vm/ci/hotspot/HotSpotNmethod;" |
| #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;" |
| #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;" |
| #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;" |
| #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;" |
| #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;" |
| #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;" |
| #define METASPACE_OBJECT "Ljdk/vm/ci/hotspot/MetaspaceObject;" |
| #define REFLECTION_EXECUTABLE "Ljava/lang/reflect/Executable;" |
| #define REFLECTION_FIELD "Ljava/lang/reflect/Field;" |
| #define METASPACE_METHOD_DATA "J" |
| |
| JNINativeMethod CompilerToVM::methods[] = { |
| {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)}, |
| {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)}, |
| {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)}, |
| {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)}, |
| {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)}, |
| {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)}, |
| {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)}, |
| {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)}, |
| {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)}, |
| {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)}, |
| {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)}, |
| {CC "lookupType", CC "(" STRING HS_RESOLVED_KLASS "Z)" HS_RESOLVED_TYPE, FN_PTR(lookupType)}, |
| {CC "getArrayType", CC "(" HS_RESOLVED_TYPE ")" HS_RESOLVED_KLASS, FN_PTR(getArrayType)}, |
| {CC "lookupClass", CC "(" CLASS ")" HS_RESOLVED_TYPE, FN_PTR(lookupClass)}, |
| {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)}, |
| {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)}, |
| {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)}, |
| {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)}, |
| {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)}, |
| {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(lookupAppendixInPool)}, |
| {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)}, |
| {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)}, |
| {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(resolvePossiblyCachedConstantInPool)}, |
| {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)}, |
| {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)}, |
| {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)}, |
| {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)}, |
| {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)}, |
| {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)}, |
| {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)}, |
| {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)}, |
| {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)}, |
| {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)}, |
| {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)}, |
| {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)}, |
| {CC "getResolvedJavaMethod", CC "(" OBJECTCONSTANT "J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)}, |
| {CC "getConstantPool", CC "(" METASPACE_OBJECT ")" HS_CONSTANT_POOL, FN_PTR(getConstantPool)}, |
| {CC "getResolvedJavaType0", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType0)}, |
| {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)}, |
| {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE "J[B)I", FN_PTR(installCode)}, |
| {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)}, |
| {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)}, |
| {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)}, |
| {CC "executeHotSpotNmethod", CC "([" OBJECT HS_NMETHOD ")" OBJECT, FN_PTR(executeHotSpotNmethod)}, |
| {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)}, |
| {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)}, |
| {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)}, |
| {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)}, |
| {CC "invalidateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(invalidateHotSpotNmethod)}, |
| {CC "readUncompressedOop", CC "(J)" OBJECTCONSTANT, FN_PTR(readUncompressedOop)}, |
| {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)}, |
| {CC "getCountersSize", CC "()I", FN_PTR(getCountersSize)}, |
| {CC "setCountersSize", CC "(I)V", FN_PTR(setCountersSize)}, |
| {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)}, |
| {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)}, |
| {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)}, |
| {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)}, |
| {CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)}, |
| {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)}, |
| {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)}, |
| {CC "writeDebugOutput", CC "([BIIZZ)I", FN_PTR(writeDebugOutput)}, |
| {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)}, |
| {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)}, |
| {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)}, |
| {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)}, |
| {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)}, |
| {CC "compileToBytecode", CC "(" OBJECTCONSTANT ")V", FN_PTR(compileToBytecode)}, |
| {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)}, |
| {CC "getObjectAtAddress", CC "(J)" OBJECT, FN_PTR(getObjectAtAddress)}, |
| {CC "getInterfaces", CC "(" HS_RESOLVED_KLASS ")[" HS_RESOLVED_KLASS, FN_PTR(getInterfaces)}, |
| {CC "getComponentType", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_TYPE, FN_PTR(getComponentType)}, |
| {CC "ensureInitialized", CC "(" HS_RESOLVED_KLASS ")V", FN_PTR(ensureInitialized)}, |
| {CC "ensureLinked", CC "(" HS_RESOLVED_KLASS ")V", FN_PTR(ensureLinked)}, |
| {CC "getIdentityHashCode", CC "(" OBJECTCONSTANT ")I", FN_PTR(getIdentityHashCode)}, |
| {CC "isInternedString", CC "(" OBJECTCONSTANT ")Z", FN_PTR(isInternedString)}, |
| {CC "unboxPrimitive", CC "(" OBJECTCONSTANT ")" OBJECT, FN_PTR(unboxPrimitive)}, |
| {CC "boxPrimitive", CC "(" OBJECT ")" OBJECTCONSTANT, FN_PTR(boxPrimitive)}, |
| {CC "getDeclaredConstructors", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredConstructors)}, |
| {CC "getDeclaredMethods", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredMethods)}, |
| {CC "readFieldValue", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)}, |
| {CC "readFieldValue", CC "(" OBJECTCONSTANT HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)}, |
| {CC "isInstance", CC "(" HS_RESOLVED_KLASS OBJECTCONSTANT ")Z", FN_PTR(isInstance)}, |
| {CC "isAssignableFrom", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_KLASS ")Z", FN_PTR(isAssignableFrom)}, |
| {CC "isTrustedForIntrinsics", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(isTrustedForIntrinsics)}, |
| {CC "asJavaType", CC "(" OBJECTCONSTANT ")" HS_RESOLVED_TYPE, FN_PTR(asJavaType)}, |
| {CC "asString", CC "(" OBJECTCONSTANT ")" STRING, FN_PTR(asString)}, |
| {CC "equals", CC "(" OBJECTCONSTANT "J" OBJECTCONSTANT "J)Z", FN_PTR(equals)}, |
| {CC "getJavaMirror", CC "(" HS_RESOLVED_TYPE ")" OBJECTCONSTANT, FN_PTR(getJavaMirror)}, |
| {CC "getArrayLength", CC "(" OBJECTCONSTANT ")I", FN_PTR(getArrayLength)}, |
| {CC "readArrayElement", CC "(" OBJECTCONSTANT "I)Ljava/lang/Object;", FN_PTR(readArrayElement)}, |
| {CC "arrayBaseOffset", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayBaseOffset)}, |
| {CC "arrayIndexScale", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayIndexScale)}, |
| {CC "getByte", CC "(" OBJECTCONSTANT "J)B", FN_PTR(getByte)}, |
| {CC "getShort", CC "(" OBJECTCONSTANT "J)S", FN_PTR(getShort)}, |
| {CC "getInt", CC "(" OBJECTCONSTANT "J)I", FN_PTR(getInt)}, |
| {CC "getLong", CC "(" OBJECTCONSTANT "J)J", FN_PTR(getLong)}, |
| {CC "getObject", CC "(" OBJECTCONSTANT "J)" OBJECTCONSTANT, FN_PTR(getObject)}, |
| {CC "deleteGlobalHandle", CC "(J)V", FN_PTR(deleteGlobalHandle)}, |
| {CC "registerNativeMethods", CC "(" CLASS ")[J", FN_PTR(registerNativeMethods)}, |
| {CC "isCurrentThreadAttached", CC "()Z", FN_PTR(isCurrentThreadAttached)}, |
| {CC "getCurrentJavaThread", CC "()J", FN_PTR(getCurrentJavaThread)}, |
| {CC "attachCurrentThread", CC "(Z)Z", FN_PTR(attachCurrentThread)}, |
| {CC "detachCurrentThread", CC "()V", FN_PTR(detachCurrentThread)}, |
| {CC "translate", CC "(" OBJECT ")J", FN_PTR(translate)}, |
| {CC "unhand", CC "(J)" OBJECT, FN_PTR(unhand)}, |
| {CC "updateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(updateHotSpotNmethod)}, |
| {CC "getCode", CC "(" HS_INSTALLED_CODE ")[B", FN_PTR(getCode)}, |
| {CC "asReflectionExecutable", CC "(" HS_RESOLVED_METHOD ")" REFLECTION_EXECUTABLE, FN_PTR(asReflectionExecutable)}, |
| {CC "asReflectionField", CC "(" HS_RESOLVED_KLASS "I)" REFLECTION_FIELD, FN_PTR(asReflectionField)}, |
| {CC "getFailedSpeculations", CC "(J[[B)[[B", FN_PTR(getFailedSpeculations)}, |
| {CC "getFailedSpeculationsAddress", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getFailedSpeculationsAddress)}, |
| {CC "releaseFailedSpeculations", CC "(J)V", FN_PTR(releaseFailedSpeculations)}, |
| {CC "addFailedSpeculation", CC "(J[B)Z", FN_PTR(addFailedSpeculation)}, |
| {CC "callSystemExit", CC "(I)V", FN_PTR(callSystemExit)}, |
| {CC "ticksNow", CC "()J", FN_PTR(ticksNow)}, |
| {CC "registerCompilerPhases", CC "([" STRING ")I", FN_PTR(registerCompilerPhases)}, |
| {CC "notifyCompilerPhaseEvent", CC "(JIII)V", FN_PTR(notifyCompilerPhaseEvent)}, |
| {CC "notifyCompilerInliningEvent", CC "(I" HS_RESOLVED_METHOD HS_RESOLVED_METHOD "ZLjava/lang/String;I)V", FN_PTR(notifyCompilerInliningEvent)}, |
| }; |
| |
| int CompilerToVM::methods_count() { |
| return sizeof(methods) / sizeof(JNINativeMethod); |
| } |