1630 lines
76 KiB
C++
1630 lines
76 KiB
C++
/*
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* Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include "precompiled.hpp"
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#include "ci/ciUtilities.inline.hpp"
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#include "classfile/javaClasses.inline.hpp"
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#include "code/scopeDesc.hpp"
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#include "interpreter/linkResolver.hpp"
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#include "memory/oopFactory.hpp"
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#include "oops/cpCache.inline.hpp"
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#include "oops/generateOopMap.hpp"
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#include "oops/method.inline.hpp"
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#include "oops/objArrayOop.inline.hpp"
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#include "oops/typeArrayOop.inline.hpp"
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#include "compiler/compileBroker.hpp"
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#include "compiler/disassembler.hpp"
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#include "jvmci/jvmciCompilerToVM.hpp"
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#include "jvmci/jvmciCodeInstaller.hpp"
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#include "jvmci/jvmciRuntime.hpp"
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#include "runtime/fieldDescriptor.inline.hpp"
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#include "runtime/flags/jvmFlag.hpp"
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#include "runtime/frame.inline.hpp"
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#include "runtime/interfaceSupport.inline.hpp"
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#include "runtime/jniHandles.inline.hpp"
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#include "runtime/timerTrace.hpp"
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#include "runtime/vframe_hp.hpp"
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JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) {
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_thread = thread;
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_klass = klass;
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if (klass != NULL) {
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_holder = Handle(_thread, klass->holder_phantom());
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}
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}
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JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) {
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_klass = klass;
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if (klass != NULL) {
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_holder = Handle(_thread, klass->holder_phantom());
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}
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return *this;
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}
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void JNIHandleMark::push_jni_handle_block() {
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JavaThread* thread = JavaThread::current();
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if (thread != NULL) {
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// Allocate a new block for JNI handles.
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// Inlined code from jni_PushLocalFrame()
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JNIHandleBlock* java_handles = ((JavaThread*)thread)->active_handles();
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JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
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assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
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compile_handles->set_pop_frame_link(java_handles);
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thread->set_active_handles(compile_handles);
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}
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}
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void JNIHandleMark::pop_jni_handle_block() {
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JavaThread* thread = JavaThread::current();
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if (thread != NULL) {
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// Release our JNI handle block
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JNIHandleBlock* compile_handles = thread->active_handles();
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JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
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thread->set_active_handles(java_handles);
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compile_handles->set_pop_frame_link(NULL);
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JNIHandleBlock::release_block(compile_handles, thread); // may block
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}
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}
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// Entry to native method implementation that transitions current thread to '_thread_in_vm'.
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#define C2V_VMENTRY(result_type, name, signature) \
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JNIEXPORT result_type JNICALL c2v_ ## name signature { \
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TRACE_jvmci_1("CompilerToVM::" #name); \
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TRACE_CALL(result_type, jvmci_ ## name signature) \
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JVMCI_VM_ENTRY_MARK; \
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#define C2V_END }
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oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) {
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if (method() != NULL) {
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JavaValue result(T_OBJECT);
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JavaCallArguments args;
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args.push_long((jlong) (address) method());
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JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL);
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return (oop)result.get_jobject();
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}
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return NULL;
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}
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oop CompilerToVM::get_jvmci_type(JVMCIKlassHandle& klass, TRAPS) {
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if (!klass.is_null()) {
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JavaValue result(T_OBJECT);
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JavaCallArguments args;
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args.push_oop(Handle(THREAD, klass->java_mirror()));
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JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL);
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return (oop)result.get_jobject();
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}
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return NULL;
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}
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Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) {
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assert(_index < _args->length(), "out of bounds");
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oop arg=((objArrayOop) (_args))->obj_at(_index++);
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assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch");
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return Handle(Thread::current(), arg);
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}
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jobjectArray readConfiguration0(JNIEnv *env, TRAPS);
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C2V_VMENTRY(jobjectArray, readConfiguration, (JNIEnv *env))
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jobjectArray config = readConfiguration0(env, CHECK_NULL);
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return config;
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C2V_END
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C2V_VMENTRY(jobject, getFlagValue, (JNIEnv *, jobject c2vm, jobject name_handle))
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#define RETURN_BOXED_LONG(value) oop box; jvalue p; p.j = (jlong) (value); box = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL); return JNIHandles::make_local(THREAD, box);
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#define RETURN_BOXED_DOUBLE(value) oop box; jvalue p; p.d = (jdouble) (value); box = java_lang_boxing_object::create(T_DOUBLE, &p, CHECK_NULL); return JNIHandles::make_local(THREAD, box);
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Handle name(THREAD, JNIHandles::resolve(name_handle));
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if (name.is_null()) {
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THROW_0(vmSymbols::java_lang_NullPointerException());
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}
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ResourceMark rm;
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const char* cstring = java_lang_String::as_utf8_string(name());
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JVMFlag* flag = JVMFlag::find_flag(cstring, strlen(cstring), /* allow_locked */ true, /* return_flag */ true);
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if (flag == NULL) {
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return c2vm;
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}
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if (flag->is_bool()) {
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jvalue prim;
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prim.z = flag->get_bool();
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oop box = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
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return JNIHandles::make_local(THREAD, box);
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} else if (flag->is_ccstr()) {
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Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL);
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return JNIHandles::make_local(THREAD, value());
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} else if (flag->is_intx()) {
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RETURN_BOXED_LONG(flag->get_intx());
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} else if (flag->is_int()) {
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RETURN_BOXED_LONG(flag->get_int());
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} else if (flag->is_uint()) {
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RETURN_BOXED_LONG(flag->get_uint());
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} else if (flag->is_uint64_t()) {
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RETURN_BOXED_LONG(flag->get_uint64_t());
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} else if (flag->is_size_t()) {
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RETURN_BOXED_LONG(flag->get_size_t());
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} else if (flag->is_uintx()) {
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RETURN_BOXED_LONG(flag->get_uintx());
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} else if (flag->is_double()) {
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RETURN_BOXED_DOUBLE(flag->get_double());
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} else {
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JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
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}
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#undef RETURN_BOXED_LONG
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#undef RETURN_BOXED_DOUBLE
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C2V_END
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C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
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methodHandle method = CompilerToVM::asMethod(jvmci_method);
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ResourceMark rm;
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int code_size = method->code_size();
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typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
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guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
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// iterate over all bytecodes and replace non-Java bytecodes
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for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
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Bytecodes::Code code = s.code();
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Bytecodes::Code raw_code = s.raw_code();
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int bci = s.bci();
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int len = s.instruction_size();
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// Restore original byte code.
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reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
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if (len > 1) {
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memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
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}
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if (len > 1) {
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// Restore the big-endian constant pool indexes.
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// Cf. Rewriter::scan_method
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switch (code) {
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case Bytecodes::_getstatic:
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case Bytecodes::_putstatic:
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case Bytecodes::_getfield:
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case Bytecodes::_putfield:
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case Bytecodes::_invokevirtual:
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case Bytecodes::_invokespecial:
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case Bytecodes::_invokestatic:
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case Bytecodes::_invokeinterface:
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case Bytecodes::_invokehandle: {
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int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
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Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
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break;
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}
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case Bytecodes::_invokedynamic: {
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int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
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Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
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break;
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}
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default:
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break;
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}
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// Not all ldc byte code are rewritten.
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switch (raw_code) {
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case Bytecodes::_fast_aldc: {
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int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
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int cp_index = method->constants()->object_to_cp_index(cpc_index);
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assert(cp_index < method->constants()->length(), "sanity check");
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reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
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break;
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}
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case Bytecodes::_fast_aldc_w: {
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int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
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int cp_index = method->constants()->object_to_cp_index(cpc_index);
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assert(cp_index < method->constants()->length(), "sanity check");
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Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
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break;
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}
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default:
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break;
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}
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}
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}
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return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
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C2V_END
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C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
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ResourceMark rm;
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methodHandle method = CompilerToVM::asMethod(jvmci_method);
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return method->exception_table_length();
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C2V_END
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C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
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ResourceMark rm;
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methodHandle method = CompilerToVM::asMethod(jvmci_method);
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if (method->exception_table_length() == 0) {
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return 0L;
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}
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return (jlong) (address) method->exception_table_start();
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C2V_END
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C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle))
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oop executable = JNIHandles::resolve(executable_handle);
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oop mirror = NULL;
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int slot = 0;
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if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
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mirror = java_lang_reflect_Constructor::clazz(executable);
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slot = java_lang_reflect_Constructor::slot(executable);
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} else {
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assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
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mirror = java_lang_reflect_Method::clazz(executable);
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slot = java_lang_reflect_Method::slot(executable);
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}
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Klass* holder = java_lang_Class::as_Klass(mirror);
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methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
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oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
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return JNIHandles::make_local(THREAD, result);
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}
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C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
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methodHandle method;
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oop base_object = JNIHandles::resolve(base);
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if (base_object == NULL) {
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method = *((Method**)(offset));
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} else if (base_object->is_a(SystemDictionary::ResolvedMethodName_klass())) {
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method = (Method*) (intptr_t) base_object->long_field(offset);
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} else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
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method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
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} else {
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THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
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err_msg("Unexpected type: %s", base_object->klass()->external_name()));
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}
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assert (method.is_null() || method->is_method(), "invalid read");
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oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
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return JNIHandles::make_local(THREAD, result);
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}
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C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle))
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constantPoolHandle cp;
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oop object = JNIHandles::resolve(object_handle);
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if (object == NULL) {
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THROW_0(vmSymbols::java_lang_NullPointerException());
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}
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if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
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cp = CompilerToVM::asMethod(object)->constMethod()->constants();
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} else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
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cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants();
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} else {
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THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
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err_msg("Unexpected type: %s", object->klass()->external_name()));
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}
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assert(!cp.is_null(), "npe");
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JavaValue method_result(T_OBJECT);
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JavaCallArguments args;
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args.push_long((jlong) (address) cp());
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JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
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return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
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}
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C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
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JVMCIKlassHandle klass(THREAD);
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oop base_object = JNIHandles::resolve(base);
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jlong base_address = 0;
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if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
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klass = base_object->klass();
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} else if (!compressed) {
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if (base_object != NULL) {
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if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
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base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
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} else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
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base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
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} else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
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base_address = (jlong) CompilerToVM::asKlass(base_object);
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} else if (base_object->is_a(SystemDictionary::Class_klass())) {
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base_address = (jlong) (address) base_object;
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} else {
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THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
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err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
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}
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}
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klass = *((Klass**) (intptr_t) (base_address + offset));
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} else {
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THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
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err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s",
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base_object != NULL ? base_object->klass()->external_name() : "null",
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offset, compressed ? "true" : "false"));
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}
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assert (klass == NULL || klass->is_klass(), "invalid read");
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oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
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return JNIHandles::make_local(THREAD, result);
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}
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C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
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ResourceMark rm;
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methodHandle method = CompilerToVM::asMethod(jvmci_method);
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Klass* holder = CompilerToVM::asKlass(jvmci_type);
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if (holder->is_interface()) {
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THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
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}
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methodHandle ucm;
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{
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MutexLocker locker(Compile_lock);
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ucm = Dependencies::find_unique_concrete_method(holder, method());
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}
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oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
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return JNIHandles::make_local(THREAD, result);
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C2V_END
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C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
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Klass* klass = CompilerToVM::asKlass(jvmci_type);
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if (!klass->is_interface()) {
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THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
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err_msg("Expected interface type, got %s", klass->external_name()));
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}
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InstanceKlass* iklass = InstanceKlass::cast(klass);
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JVMCIKlassHandle handle(THREAD);
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{
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// Need Compile_lock around implementor()
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MutexLocker locker(Compile_lock);
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handle = iklass->implementor();
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}
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oop implementor = CompilerToVM::get_jvmci_type(handle, CHECK_NULL);
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return JNIHandles::make_local(THREAD, implementor);
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C2V_END
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C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
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methodHandle method = CompilerToVM::asMethod(jvmci_method);
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return method->is_ignored_by_security_stack_walk();
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C2V_END
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C2V_VMENTRY(jboolean, isCompilable,(JNIEnv *, jobject, jobject jvmci_method))
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methodHandle method = CompilerToVM::asMethod(jvmci_method);
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constantPoolHandle cp = method->constMethod()->constants();
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assert(!cp.is_null(), "npe");
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// 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(jboolean, hasNeverInlineDirective,(JNIEnv *, jobject, jobject jvmci_method))
|
|
methodHandle method = CompilerToVM::asMethod(jvmci_method);
|
|
return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline();
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
|
|
methodHandle method = CompilerToVM::asMethod(jvmci_method);
|
|
return CompilerOracle::should_inline(method) || method->force_inline();
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
|
|
ResourceMark rm;
|
|
Handle name(THREAD, JNIHandles::resolve(jname));
|
|
Symbol* class_name = java_lang_String::as_symbol(name(), CHECK_0);
|
|
if (java_lang_String::length(name()) <= 1) {
|
|
THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
|
|
}
|
|
|
|
JVMCIKlassHandle resolved_klass(THREAD);
|
|
if (JNIHandles::resolve(accessing_class) == NULL) {
|
|
THROW_0(vmSymbols::java_lang_NullPointerException());
|
|
}
|
|
Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
|
|
Handle class_loader(THREAD, accessing_klass->class_loader());
|
|
Handle protection_domain(THREAD, accessing_klass->protection_domain());
|
|
|
|
if (resolve) {
|
|
resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
|
|
} else {
|
|
if (class_name->char_at(0) == 'L' &&
|
|
class_name->char_at(class_name->utf8_length()-1) == ';') {
|
|
// This is a name from a signature. Strip off the trimmings.
|
|
// Call recursive to keep scope of strippedsym.
|
|
TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
|
|
class_name->utf8_length()-2,
|
|
CHECK_0);
|
|
resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
|
|
} else if (FieldType::is_array(class_name)) {
|
|
FieldArrayInfo fd;
|
|
// dimension and object_key in FieldArrayInfo are assigned as a side-effect
|
|
// of this call
|
|
BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
|
|
if (t == T_OBJECT) {
|
|
TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
|
|
class_name->utf8_length()-2-fd.dimension(),
|
|
CHECK_0);
|
|
// naked oop "k" is OK here -- we assign back into it
|
|
resolved_klass = SystemDictionary::find(strippedsym,
|
|
class_loader,
|
|
protection_domain,
|
|
CHECK_0);
|
|
if (!resolved_klass.is_null()) {
|
|
resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
|
|
}
|
|
} else {
|
|
resolved_klass = TypeArrayKlass::cast(Universe::typeArrayKlassObj(t))->array_klass(fd.dimension(), CHECK_0);
|
|
}
|
|
}
|
|
}
|
|
oop result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
|
|
return JNIHandles::make_local(THREAD, result);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
|
|
constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
|
|
oop result = cp->resolve_constant_at(index, CHECK_NULL);
|
|
return JNIHandles::make_local(THREAD, result);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
|
|
constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
|
|
oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
|
|
return JNIHandles::make_local(THREAD, result);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
|
|
constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
|
|
return cp->name_and_type_ref_index_at(index);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
|
|
constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
|
|
Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
|
|
return JNIHandles::make_local(THREAD, sym());
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
|
|
constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
|
|
Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
|
|
return JNIHandles::make_local(THREAD, sym());
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
|
|
constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
|
|
return cp->klass_ref_index_at(index);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
|
|
constantPoolHandle cp = CompilerToVM::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_or_fail(THREAD);
|
|
}
|
|
oop jvmci_type = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
|
|
return JNIHandles::make_local(THREAD, jvmci_type);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
|
|
constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
|
|
Klass* loading_klass = cp->pool_holder();
|
|
bool is_accessible = false;
|
|
JVMCIKlassHandle klass(THREAD, JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass));
|
|
Symbol* symbol = NULL;
|
|
if (klass == NULL) {
|
|
symbol = cp->klass_name_at(index);
|
|
}
|
|
oop result_oop;
|
|
if (!klass.is_null()) {
|
|
result_oop = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
|
|
} else {
|
|
Handle result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
|
|
result_oop = result();
|
|
}
|
|
return JNIHandles::make_local(THREAD, result_oop);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
|
|
constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
|
|
oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
|
|
return JNIHandles::make_local(THREAD, appendix_oop);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
|
|
constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
|
|
InstanceKlass* pool_holder = cp->pool_holder();
|
|
Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
|
|
methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
|
|
oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
|
|
return JNIHandles::make_local(THREAD, result);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
|
|
constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
|
|
return cp->remap_instruction_operand_from_cache(index);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
|
|
ResourceMark rm;
|
|
constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
|
|
Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
|
|
fieldDescriptor fd;
|
|
LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0);
|
|
LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
|
|
typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
|
|
if (info == NULL || info->length() != 3) {
|
|
JVMCI_ERROR_NULL("info must not be null and have a length of 3");
|
|
}
|
|
info->int_at_put(0, fd.access_flags().as_int());
|
|
info->int_at_put(1, fd.offset());
|
|
info->int_at_put(2, fd.index());
|
|
JVMCIKlassHandle handle(THREAD, fd.field_holder());
|
|
oop field_holder = CompilerToVM::get_jvmci_type(handle, CHECK_NULL);
|
|
return JNIHandles::make_local(THREAD, field_holder);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
|
|
ResourceMark rm;
|
|
Klass* klass = CompilerToVM::asKlass(jvmci_type);
|
|
Method* method = CompilerToVM::asMethod(jvmci_method);
|
|
if (klass->is_interface()) {
|
|
THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
|
|
}
|
|
if (!method->method_holder()->is_interface()) {
|
|
THROW_MSG_0(vmSymbols::java_lang_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 (!InstanceKlass::cast(klass)->is_linked()) {
|
|
THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
|
|
}
|
|
return LinkResolver::vtable_index_of_interface_method(klass, method);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
|
|
Klass* recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
|
|
Klass* caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
|
|
methodHandle method = CompilerToVM::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;
|
|
}
|
|
|
|
LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
|
|
methodHandle m;
|
|
// 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.is_null()) {
|
|
// Return NULL if there was a problem with lookup (uninitialized class, etc.)
|
|
return NULL;
|
|
}
|
|
|
|
oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL);
|
|
return JNIHandles::make_local(THREAD, result);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
|
|
Klass* klass = CompilerToVM::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(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
|
|
Klass* klass = CompilerToVM::asKlass(jvmci_type);
|
|
if (!klass->is_instance_klass()) {
|
|
return NULL;
|
|
}
|
|
InstanceKlass* iklass = InstanceKlass::cast(klass);
|
|
oop result = CompilerToVM::get_jvmci_method(iklass->class_initializer(), CHECK_NULL);
|
|
return JNIHandles::make_local(THREAD, result);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, 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 *, jobject, jobject jvmci_method))
|
|
methodHandle method = CompilerToVM::asMethod(jvmci_method);
|
|
method->set_not_c1_compilable();
|
|
method->set_not_c2_compilable();
|
|
method->set_dont_inline(true);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
|
|
ResourceMark rm;
|
|
HandleMark hm;
|
|
JNIHandleMark jni_hm;
|
|
|
|
Handle target_handle(THREAD, JNIHandles::resolve(target));
|
|
Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
|
|
CodeBlob* cb = NULL;
|
|
Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
|
|
Handle speculation_log_handle(THREAD, JNIHandles::resolve(speculation_log));
|
|
|
|
JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR);
|
|
|
|
TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
|
|
bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0;
|
|
CodeInstaller installer(is_immutable_PIC);
|
|
JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
|
|
|
|
if (PrintCodeCacheOnCompilation) {
|
|
stringStream s;
|
|
// Dump code cache into a buffer before locking the tty,
|
|
{
|
|
MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
|
|
CodeCache::print_summary(&s, false);
|
|
}
|
|
ttyLocker ttyl;
|
|
tty->print_raw_cr(s.as_string());
|
|
}
|
|
|
|
if (result != JVMCIEnv::ok) {
|
|
assert(cb == NULL, "should be");
|
|
} else {
|
|
if (installed_code_handle.not_null()) {
|
|
assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
|
|
nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
|
|
{
|
|
// Ensure that all updates to the InstalledCode fields are consistent.
|
|
MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
|
|
InstalledCode::set_address(installed_code_handle, (jlong) cb);
|
|
InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
|
|
if (cb->is_nmethod()) {
|
|
InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
|
|
} else {
|
|
InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
|
|
}
|
|
if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
|
|
HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
|
|
HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
|
|
HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
|
|
#if INCLUDE_AOT
|
|
ResourceMark rm;
|
|
HandleMark hm;
|
|
|
|
Handle target_handle(THREAD, JNIHandles::resolve(target));
|
|
Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
|
|
Handle metadata_handle(THREAD, JNIHandles::resolve(metadata));
|
|
|
|
CodeMetadata code_metadata;
|
|
CodeBlob *cb = NULL;
|
|
CodeInstaller installer(true /* immutable PIC compilation */);
|
|
|
|
JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0);
|
|
if (result != JVMCIEnv::ok) {
|
|
return result;
|
|
}
|
|
|
|
if (code_metadata.get_nr_pc_desc() > 0) {
|
|
typeArrayHandle pcArrayOop = oopFactory::new_byteArray_handle(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
|
|
memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
|
|
HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
|
|
}
|
|
|
|
if (code_metadata.get_scopes_size() > 0) {
|
|
typeArrayHandle scopesArrayOop = oopFactory::new_byteArray_handle(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
|
|
memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
|
|
HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
|
|
}
|
|
|
|
RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
|
|
typeArrayHandle relocArrayOop = oopFactory::new_byteArray_handle((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
|
|
if (reloc_buffer->size() > 0) {
|
|
memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
|
|
}
|
|
HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
|
|
|
|
const OopMapSet* oopMapSet = installer.oopMapSet();
|
|
{
|
|
ResourceMark mark;
|
|
ImmutableOopMapBuilder builder(oopMapSet);
|
|
int oopmap_size = builder.heap_size();
|
|
typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray_handle(oopmap_size, CHECK_(JVMCIEnv::cache_full));
|
|
builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
|
|
HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
|
|
}
|
|
|
|
AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
|
|
|
|
int nr_meta_refs = recorder->nr_meta_refs();
|
|
objArrayOop metadataArray = oopFactory::new_objectArray(nr_meta_refs, CHECK_(JVMCIEnv::cache_full));
|
|
objArrayHandle metadataArrayHandle(THREAD, metadataArray);
|
|
for (int i = 0; i < nr_meta_refs; ++i) {
|
|
jobject element = recorder->meta_element(i);
|
|
if (element == NULL) {
|
|
return JVMCIEnv::cache_full;
|
|
}
|
|
metadataArrayHandle->obj_at_put(i, JNIHandles::resolve(element));
|
|
}
|
|
HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle());
|
|
|
|
ExceptionHandlerTable* handler = code_metadata.get_exception_table();
|
|
int table_size = handler->size_in_bytes();
|
|
typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray_handle(table_size, CHECK_(JVMCIEnv::cache_full));
|
|
|
|
if (table_size > 0) {
|
|
handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
|
|
}
|
|
HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
|
|
|
|
return result;
|
|
#else
|
|
THROW_MSG_0(vmSymbols::java_lang_InternalError(), "unimplemented");
|
|
#endif
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
|
|
JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK);
|
|
CompilerStatistics* stats = compiler->stats();
|
|
stats->_standard.reset();
|
|
stats->_osr.reset();
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
|
|
ResourceMark rm;
|
|
HandleMark hm;
|
|
|
|
if (installedCode == NULL) {
|
|
THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
|
|
}
|
|
|
|
jlong codeBlob = InstalledCode::address(installedCode);
|
|
if (codeBlob == 0L) {
|
|
return NULL;
|
|
}
|
|
|
|
CodeBlob* cb = (CodeBlob*) (address) codeBlob;
|
|
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;
|
|
}
|
|
|
|
Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
|
|
return JNIHandles::make_local(THREAD, result());
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
|
|
ResourceMark rm;
|
|
HandleMark hm;
|
|
|
|
methodHandle method = CompilerToVM::asMethod(jvmci_method);
|
|
oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
|
|
return JNIHandles::make_local(THREAD, element);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
|
|
ResourceMark rm;
|
|
HandleMark hm;
|
|
|
|
jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
|
|
if (nmethodValue == 0L) {
|
|
THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
|
|
}
|
|
nmethod* nm = (nmethod*) (address) nmethodValue;
|
|
methodHandle mh = 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.get_ret_type());
|
|
jca.set_alternative_target(nm);
|
|
JavaCalls::call(&result, mh, &jca, CHECK_NULL);
|
|
|
|
if (jap.get_ret_type() == T_VOID) {
|
|
return NULL;
|
|
} else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
|
|
return JNIHandles::make_local(THREAD, (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.get_ret_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;
|
|
}
|
|
oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
|
|
return JNIHandles::make_local(THREAD, o);
|
|
}
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
|
|
Method* method = CompilerToVM::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());
|
|
typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
|
|
|
|
int i = 0;
|
|
jlong value;
|
|
while (stream.read_pair()) {
|
|
value = ((long) stream.bci());
|
|
result->long_at_put(i, value);
|
|
value = ((long) stream.line());
|
|
result->long_at_put(i + 1, value);
|
|
i += 2;
|
|
}
|
|
|
|
return (jlongArray) JNIHandles::make_local(THREAD, result);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
|
|
ResourceMark rm;
|
|
Method* method = CompilerToVM::asMethod(jvmci_method);
|
|
if (!method->has_localvariable_table()) {
|
|
return 0;
|
|
}
|
|
return (jlong) (address) method->localvariable_table_start();
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
|
|
ResourceMark rm;
|
|
Method* method = CompilerToVM::asMethod(jvmci_method);
|
|
return method->localvariable_table_length();
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
|
|
Method* method = CompilerToVM::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, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
|
|
Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
|
|
nmethod::invalidate_installed_code(installed_code_handle, CHECK);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
|
|
typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
|
|
JavaThread::collect_counters(arrayOop);
|
|
return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
|
|
HandleMark hm;
|
|
ResourceMark rm;
|
|
if (JNIHandles::resolve(jvmci_method) == NULL) {
|
|
THROW_0(vmSymbols::java_lang_NullPointerException());
|
|
}
|
|
Method* method = CompilerToVM::asMethod(jvmci_method);
|
|
if (entry_bci >= method->code_size() || entry_bci < -1) {
|
|
THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
|
|
}
|
|
return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
|
|
C2V_END
|
|
|
|
|
|
C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
|
|
MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
|
|
return mdo != NULL && mdo->is_mature();
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
|
|
Method* method = CompilerToVM::asMethod(jvmci_method);
|
|
return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
|
|
Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
|
|
return JNIHandles::make_local(THREAD, sym());
|
|
C2V_END
|
|
|
|
bool matches(jobjectArray methods, Method* method) {
|
|
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->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(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 = callinfo.selected_method();
|
|
assert(method.not_null(), "should have thrown exception");
|
|
|
|
// Invoke the method
|
|
JavaCalls::call(result, method, args, CHECK);
|
|
}
|
|
|
|
C2V_VMENTRY(jobject, iterateFrames, (JNIEnv*, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle))
|
|
ResourceMark rm;
|
|
|
|
if (!thread->has_last_Java_frame()) {
|
|
return NULL;
|
|
}
|
|
Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle));
|
|
Handle frame_reference = HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
|
|
HotSpotStackFrameReference::klass()->initialize(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())) {
|
|
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(), 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);
|
|
}
|
|
}
|
|
HotSpotStackFrameReference::set_localIsVirtual(frame_reference, array());
|
|
} else {
|
|
HotSpotStackFrameReference::set_localIsVirtual(frame_reference, NULL);
|
|
}
|
|
|
|
locals = cvf->locals();
|
|
HotSpotStackFrameReference::set_bci(frame_reference, cvf->bci());
|
|
oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
|
|
HotSpotStackFrameReference::set_method(frame_reference, method);
|
|
}
|
|
}
|
|
} else if (vf->is_interpreted_frame()) {
|
|
// interpreted method frame
|
|
interpretedVFrame* ivf = interpretedVFrame::cast(vf);
|
|
if (methods == NULL || matches(methods, ivf->method())) {
|
|
if (initialSkip > 0) {
|
|
initialSkip--;
|
|
} else {
|
|
locals = ivf->locals();
|
|
HotSpotStackFrameReference::set_bci(frame_reference, ivf->bci());
|
|
oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
|
|
HotSpotStackFrameReference::set_method(frame_reference, method);
|
|
HotSpotStackFrameReference::set_localIsVirtual(frame_reference, NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
// locals != NULL means that we found a matching frame and result is already partially initialized
|
|
if (locals != NULL) {
|
|
methods = match_methods;
|
|
HotSpotStackFrameReference::set_compilerToVM(frame_reference, JNIHandles::resolve(compilerToVM));
|
|
HotSpotStackFrameReference::set_stackPointer(frame_reference, (jlong) fst.current()->sp());
|
|
HotSpotStackFrameReference::set_frameNumber(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()());
|
|
}
|
|
}
|
|
HotSpotStackFrameReference::set_locals(frame_reference, array());
|
|
HotSpotStackFrameReference::set_objectsMaterialized(frame_reference, JNI_FALSE);
|
|
|
|
JavaValue result(T_OBJECT);
|
|
JavaCallArguments args(visitor);
|
|
args.push_oop(frame_reference);
|
|
call_interface(&result, SystemDictionary::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 (HotSpotStackFrameReference::objectsMaterialized(frame_reference) == JNI_TRUE) {
|
|
// the frame has been deoptimized, we need to re-synchronize the frame and vframe
|
|
intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(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 = HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
|
|
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*, jobject, jobject jvmci_constant_pool, jint index))
|
|
constantPoolHandle cp = CompilerToVM::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*, jobject, jobject jvmci_constant_pool, jint index))
|
|
constantPoolHandle cp = CompilerToVM::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(jint, isResolvedInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
|
|
constantPoolHandle cp = CompilerToVM::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(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, "!");
|
|
vmassert(cp_cache_entry->method_type_if_resolved(cp) == NULL, "!");
|
|
|
|
methodHandle m(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(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject))
|
|
objArrayHandle holders = oopFactory::new_objArray_handle(SystemDictionary::String_klass(), 2, CHECK_NULL);
|
|
Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL);
|
|
Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL);
|
|
holders->obj_at_put(0, mh());
|
|
holders->obj_at_put(1, vh());
|
|
return JNIHandles::make_local(THREAD, holders());
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, 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*, jobject, jobject hs_frame, bool invalidate))
|
|
ResourceMark rm;
|
|
|
|
if (hs_frame == NULL) {
|
|
THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
|
|
}
|
|
|
|
HotSpotStackFrameReference::klass()->initialize(CHECK);
|
|
|
|
// look for the given stack frame
|
|
StackFrameStream fst(thread);
|
|
intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
|
|
while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
|
|
fst.next();
|
|
}
|
|
if (fst.current()->sp() != stack_pointer) {
|
|
THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
|
|
}
|
|
|
|
if (invalidate) {
|
|
if (!fst.current()->is_compiled_frame()) {
|
|
THROW_MSG(vmSymbols::java_lang_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(), fst.register_map(), 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) {
|
|
THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
|
|
}
|
|
|
|
vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
|
|
if (!vf->is_compiled_frame()) {
|
|
THROW_MSG(vmSymbols::java_lang_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 = HotSpotStackFrameReference::frameNumber(hs_frame);
|
|
if (last_frame_number >= virtualFrames->length()) {
|
|
THROW_MSG(vmSymbols::java_lang_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(), 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 = (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 = (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
|
|
HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
|
|
|
|
// update the locals array
|
|
objArrayHandle array(THREAD, 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) {
|
|
array->obj_at_put(i, locals->at(i)->get_obj()());
|
|
}
|
|
}
|
|
HotSpotStackFrameReference::set_objectsMaterialized(hs_frame, JNI_TRUE);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
|
|
if (bytes == NULL) {
|
|
THROW(vmSymbols::java_lang_NullPointerException());
|
|
}
|
|
typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
|
|
|
|
// Check if offset and length are non negative.
|
|
if (offset < 0 || length < 0) {
|
|
THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
|
|
}
|
|
// Check if the range is valid.
|
|
if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
|
|
THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
|
|
}
|
|
while (length > 0) {
|
|
jbyte* start = array->byte_at_addr(offset);
|
|
tty->write((char*) start, MIN2(length, (jint)O_BUFLEN));
|
|
length -= O_BUFLEN;
|
|
offset += O_BUFLEN;
|
|
}
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
|
|
tty->flush();
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
|
|
ResourceMark rm;
|
|
MethodData* mdo = CompilerToVM::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();
|
|
}
|
|
}
|
|
THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass))
|
|
#if INCLUDE_AOT
|
|
Klass *k = CompilerToVM::asKlass(metaspace_klass);
|
|
if (k->is_instance_klass()) {
|
|
return InstanceKlass::cast(k)->get_stored_fingerprint();
|
|
} else {
|
|
return 0;
|
|
}
|
|
#else
|
|
THROW_MSG_0(vmSymbols::java_lang_InternalError(), "unimplemented");
|
|
#endif
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jobject, getHostClass, (JNIEnv*, jobject, jobject jvmci_type))
|
|
InstanceKlass* k = InstanceKlass::cast(CompilerToVM::asKlass(jvmci_type));
|
|
InstanceKlass* host = k->unsafe_anonymous_host();
|
|
JVMCIKlassHandle handle(THREAD, host);
|
|
oop result = CompilerToVM::get_jvmci_type(handle, CHECK_NULL);
|
|
return JNIHandles::make_local(THREAD, result);
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
|
|
if (bytecode_frame_handle == NULL) {
|
|
THROW_0(vmSymbols::java_lang_NullPointerException());
|
|
}
|
|
|
|
oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
|
|
oop bytecode_frame = top_bytecode_frame;
|
|
int size = 0;
|
|
int callee_parameters = 0;
|
|
int callee_locals = 0;
|
|
Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
|
|
int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
|
|
|
|
while (bytecode_frame != NULL) {
|
|
int locks = BytecodeFrame::numLocks(bytecode_frame);
|
|
int temps = BytecodeFrame::numStack(bytecode_frame);
|
|
bool is_top_frame = (bytecode_frame == top_bytecode_frame);
|
|
Method* method = getMethodFromHotSpotMethod(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 = BytecodePosition::caller(bytecode_frame);
|
|
}
|
|
return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle))
|
|
Handle lambda_form(THREAD, JNIHandles::resolve_non_null(lambda_form_handle));
|
|
if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
|
|
TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK);
|
|
JavaValue result(T_VOID);
|
|
JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
|
|
} else {
|
|
THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
|
|
err_msg("Unexpected type: %s", lambda_form->klass()->external_name()));
|
|
}
|
|
C2V_END
|
|
|
|
C2V_VMENTRY(jobject, asReflectionExecutable, (JNIEnv* env, jobject, jobject jvmci_method))
|
|
methodHandle m = CompilerToVM::asMethod(jvmci_method);
|
|
oop executable;
|
|
if (m->is_initializer()) {
|
|
if (m->is_static_initializer()) {
|
|
THROW_MSG_0(vmSymbols::java_lang_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(jobject, asReflectionField, (JNIEnv* env, jobject, jobject jvmci_type, jint index))
|
|
Klass* klass = CompilerToVM::asKlass(jvmci_type);
|
|
if (!klass->is_instance_klass()) {
|
|
THROW_MSG_0(vmSymbols::java_lang_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()) {
|
|
THROW_MSG_0(vmSymbols::java_lang_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);
|
|
}
|
|
|
|
#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 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 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_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 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 CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)},
|
|
{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)" OBJECT, 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 "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)},
|
|
{CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, 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)},
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{CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)},
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{CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
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{CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
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{CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
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{CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
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{CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
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{CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
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{CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
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{CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
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{CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
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{CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
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{CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
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{CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)},
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{CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
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{CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
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{CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
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{CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)},
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{CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
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{CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
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{CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
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{CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
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{CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)},
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{CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
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{CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
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{CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
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{CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
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{CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
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{CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)},
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{CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
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{CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
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{CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)},
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{CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
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{CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
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{CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
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{CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)},
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{CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
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{CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)},
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{CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
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{CC "asReflectionExecutable", CC "(" HS_RESOLVED_METHOD ")" REFLECTION_EXECUTABLE, FN_PTR(asReflectionExecutable)},
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{CC "asReflectionField", CC "(" HS_RESOLVED_KLASS "I)" REFLECTION_FIELD, FN_PTR(asReflectionField)},
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};
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int CompilerToVM::methods_count() {
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return sizeof(methods) / sizeof(JNINativeMethod);
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}
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