8209647: constantPoolHandle::constantPoolHandle(ConstantPool*) when precompiled header is disabled
Summary: Added fieldDescriptor.inline.hpp
Reviewed-by: coleenp, shade
/*
* Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include "precompiled.hpp"
#include "ci/ciUtilities.inline.hpp"
#include "classfile/javaClasses.inline.hpp"
#include "code/scopeDesc.hpp"
#include "interpreter/linkResolver.hpp"
#include "memory/oopFactory.hpp"
#include "oops/cpCache.inline.hpp"
#include "oops/generateOopMap.hpp"
#include "oops/method.inline.hpp"
#include "oops/objArrayOop.inline.hpp"
#include "oops/typeArrayOop.inline.hpp"
#include "compiler/compileBroker.hpp"
#include "compiler/disassembler.hpp"
#include "jvmci/jvmciCompilerToVM.hpp"
#include "jvmci/jvmciCodeInstaller.hpp"
#include "jvmci/jvmciRuntime.hpp"
#include "runtime/fieldDescriptor.inline.hpp"
#include "runtime/flags/jvmFlag.hpp"
#include "runtime/frame.inline.hpp"
#include "runtime/interfaceSupport.inline.hpp"
#include "runtime/jniHandles.inline.hpp"
#include "runtime/timerTrace.hpp"
#include "runtime/vframe_hp.hpp"
JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) {
_thread = thread;
_klass = klass;
if (klass != NULL) {
_holder = Handle(_thread, klass->holder_phantom());
}
}
JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) {
_klass = klass;
if (klass != NULL) {
_holder = Handle(_thread, klass->holder_phantom());
}
return *this;
}
void JNIHandleMark::push_jni_handle_block() {
JavaThread* thread = JavaThread::current();
if (thread != NULL) {
// Allocate a new block for JNI handles.
// Inlined code from jni_PushLocalFrame()
JNIHandleBlock* java_handles = ((JavaThread*)thread)->active_handles();
JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
compile_handles->set_pop_frame_link(java_handles);
thread->set_active_handles(compile_handles);
}
}
void JNIHandleMark::pop_jni_handle_block() {
JavaThread* thread = JavaThread::current();
if (thread != NULL) {
// Release our JNI handle block
JNIHandleBlock* compile_handles = thread->active_handles();
JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
thread->set_active_handles(java_handles);
compile_handles->set_pop_frame_link(NULL);
JNIHandleBlock::release_block(compile_handles, thread); // may block
}
}
// Entry to native method implementation that transitions current thread to '_thread_in_vm'.
#define C2V_VMENTRY(result_type, name, signature) \
JNIEXPORT result_type JNICALL c2v_ ## name signature { \
TRACE_jvmci_1("CompilerToVM::" #name); \
TRACE_CALL(result_type, jvmci_ ## name signature) \
JVMCI_VM_ENTRY_MARK; \
#define C2V_END }
oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) {
if (method() != NULL) {
JavaValue result(T_OBJECT);
JavaCallArguments args;
args.push_long((jlong) (address) method());
JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL);
return (oop)result.get_jobject();
}
return NULL;
}
oop CompilerToVM::get_jvmci_type(JVMCIKlassHandle& klass, TRAPS) {
if (!klass.is_null()) {
JavaValue result(T_OBJECT);
JavaCallArguments args;
args.push_oop(Handle(THREAD, klass->java_mirror()));
JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL);
return (oop)result.get_jobject();
}
return NULL;
}
Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) {
assert(_index < _args->length(), "out of bounds");
oop arg=((objArrayOop) (_args))->obj_at(_index++);
assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch");
return Handle(Thread::current(), arg);
}
jobjectArray readConfiguration0(JNIEnv *env, TRAPS);
C2V_VMENTRY(jobjectArray, readConfiguration, (JNIEnv *env))
jobjectArray config = readConfiguration0(env, CHECK_NULL);
return config;
C2V_END
C2V_VMENTRY(jobject, getFlagValue, (JNIEnv *, jobject c2vm, jobject name_handle))
#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);
#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);
Handle name(THREAD, JNIHandles::resolve(name_handle));
if (name.is_null()) {
THROW_0(vmSymbols::java_lang_NullPointerException());
}
ResourceMark rm;
const char* cstring = java_lang_String::as_utf8_string(name());
JVMFlag* flag = JVMFlag::find_flag(cstring, strlen(cstring), /* allow_locked */ true, /* return_flag */ true);
if (flag == NULL) {
return c2vm;
}
if (flag->is_bool()) {
jvalue prim;
prim.z = flag->get_bool();
oop box = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
return JNIHandles::make_local(THREAD, box);
} else if (flag->is_ccstr()) {
Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL);
return JNIHandles::make_local(THREAD, value());
} else if (flag->is_intx()) {
RETURN_BOXED_LONG(flag->get_intx());
} else if (flag->is_int()) {
RETURN_BOXED_LONG(flag->get_int());
} else if (flag->is_uint()) {
RETURN_BOXED_LONG(flag->get_uint());
} else if (flag->is_uint64_t()) {
RETURN_BOXED_LONG(flag->get_uint64_t());
} else if (flag->is_size_t()) {
RETURN_BOXED_LONG(flag->get_size_t());
} else if (flag->is_uintx()) {
RETURN_BOXED_LONG(flag->get_uintx());
} else if (flag->is_double()) {
RETURN_BOXED_DOUBLE(flag->get_double());
} else {
JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
}
#undef RETURN_BOXED_LONG
#undef RETURN_BOXED_DOUBLE
C2V_END
C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
methodHandle method = CompilerToVM::asMethod(jvmci_method);
ResourceMark rm;
int code_size = method->code_size();
typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
// iterate over all bytecodes and replace non-Java bytecodes
for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
Bytecodes::Code code = s.code();
Bytecodes::Code raw_code = s.raw_code();
int bci = s.bci();
int len = s.instruction_size();
// Restore original byte code.
reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
if (len > 1) {
memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
}
if (len > 1) {
// Restore the big-endian constant pool indexes.
// Cf. Rewriter::scan_method
switch (code) {
case Bytecodes::_getstatic:
case Bytecodes::_putstatic:
case Bytecodes::_getfield:
case Bytecodes::_putfield:
case Bytecodes::_invokevirtual:
case Bytecodes::_invokespecial:
case Bytecodes::_invokestatic:
case Bytecodes::_invokeinterface:
case Bytecodes::_invokehandle: {
int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
break;
}
case Bytecodes::_invokedynamic: {
int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
break;
}
default:
break;
}
// Not all ldc byte code are rewritten.
switch (raw_code) {
case Bytecodes::_fast_aldc: {
int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
int cp_index = method->constants()->object_to_cp_index(cpc_index);
assert(cp_index < method->constants()->length(), "sanity check");
reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
break;
}
case Bytecodes::_fast_aldc_w: {
int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
int cp_index = method->constants()->object_to_cp_index(cpc_index);
assert(cp_index < method->constants()->length(), "sanity check");
Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
break;
}
default:
break;
}
}
}
return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
C2V_END
C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
ResourceMark rm;
methodHandle method = CompilerToVM::asMethod(jvmci_method);
return method->exception_table_length();
C2V_END
C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
ResourceMark rm;
methodHandle method = CompilerToVM::asMethod(jvmci_method);
if (method->exception_table_length() == 0) {
return 0L;
}
return (jlong) (address) method->exception_table_start();
C2V_END
C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle))
oop executable = JNIHandles::resolve(executable_handle);
oop mirror = NULL;
int slot = 0;
if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
mirror = java_lang_reflect_Constructor::clazz(executable);
slot = java_lang_reflect_Constructor::slot(executable);
} else {
assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
mirror = java_lang_reflect_Method::clazz(executable);
slot = java_lang_reflect_Method::slot(executable);
}
Klass* holder = java_lang_Class::as_Klass(mirror);
methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
return JNIHandles::make_local(THREAD, result);
}
C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
methodHandle method;
oop base_object = JNIHandles::resolve(base);
if (base_object == NULL) {
method = *((Method**)(offset));
} else if (base_object->is_a(SystemDictionary::ResolvedMethodName_klass())) {
method = (Method*) (intptr_t) base_object->long_field(offset);
} else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
} else {
THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
err_msg("Unexpected type: %s", base_object->klass()->external_name()));
}
assert (method.is_null() || method->is_method(), "invalid read");
oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
return JNIHandles::make_local(THREAD, result);
}
C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle))
constantPoolHandle cp;
oop object = JNIHandles::resolve(object_handle);
if (object == NULL) {
THROW_0(vmSymbols::java_lang_NullPointerException());
}
if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
cp = CompilerToVM::asMethod(object)->constMethod()->constants();
} else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants();
} else {
THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
err_msg("Unexpected type: %s", object->klass()->external_name()));
}
assert(!cp.is_null(), "npe");
JavaValue method_result(T_OBJECT);
JavaCallArguments args;
args.push_long((jlong) (address) cp());
JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
}
C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
JVMCIKlassHandle klass(THREAD);
oop base_object = JNIHandles::resolve(base);
jlong base_address = 0;
if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
klass = base_object->klass();
} else if (!compressed) {
if (base_object != NULL) {
if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
} else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
} else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
base_address = (jlong) CompilerToVM::asKlass(base_object);
} else if (base_object->is_a(SystemDictionary::Class_klass())) {
base_address = (jlong) (address) base_object;
} else {
THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
}
}
klass = *((Klass**) (intptr_t) (base_address + offset));
} else {
THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s",
base_object != NULL ? base_object->klass()->external_name() : "null",
offset, compressed ? "true" : "false"));
}
assert (klass == NULL || klass->is_klass(), "invalid read");
oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
return JNIHandles::make_local(THREAD, result);
}
C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
ResourceMark rm;
methodHandle method = CompilerToVM::asMethod(jvmci_method);
Klass* holder = CompilerToVM::asKlass(jvmci_type);
if (holder->is_interface()) {
THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
}
methodHandle ucm;
{
MutexLocker locker(Compile_lock);
ucm = Dependencies::find_unique_concrete_method(holder, method());
}
oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
return JNIHandles::make_local(THREAD, result);
C2V_END
C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
Klass* klass = CompilerToVM::asKlass(jvmci_type);
if (!klass->is_interface()) {
THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
err_msg("Expected interface type, got %s", klass->external_name()));
}
InstanceKlass* iklass = InstanceKlass::cast(klass);
JVMCIKlassHandle handle(THREAD);
{
// Need Compile_lock around implementor()
MutexLocker locker(Compile_lock);
handle = iklass->implementor();
}
oop implementor = CompilerToVM::get_jvmci_type(handle, CHECK_NULL);
return JNIHandles::make_local(THREAD, implementor);
C2V_END
C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
methodHandle method = CompilerToVM::asMethod(jvmci_method);
return method->is_ignored_by_security_stack_walk();
C2V_END
C2V_VMENTRY(jboolean, isCompilable,(JNIEnv *, jobject, jobject jvmci_method))
methodHandle method = CompilerToVM::asMethod(jvmci_method);
constantPoolHandle cp = method->constMethod()->constants();
assert(!cp.is_null(), "npe");
// don't inline method when constant pool contains a CONSTANT_Dynamic
return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant();
C2V_END
C2V_VMENTRY(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->byte_at(0) == 'L' &&
class_name->byte_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))
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;
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());
int ii = 0;
for (int i = 0; i < scope->objects()->length(); i++) {
ObjectValue* sv = (ObjectValue*) scope->objects()->at(i);
if (sv->value().is_null()) {
objects->at_put(ii++, 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))
Klass *k = CompilerToVM::asKlass(metaspace_klass);
if (k->is_instance_klass()) {
return InstanceKlass::cast(k)->get_stored_fingerprint();
} else {
return 0;
}
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
#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 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)},
{CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)},
{CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
{CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
{CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
{CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
{CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
{CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
{CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
{CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
{CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
{CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
{CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
{CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)},
{CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
{CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
{CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
{CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)},
{CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
{CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
{CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
{CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
{CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)},
{CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
{CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
{CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
{CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
{CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
{CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)},
{CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
{CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
{CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)},
{CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
{CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
{CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
{CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)},
{CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
{CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)},
{CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
};
int CompilerToVM::methods_count() {
return sizeof(methods) / sizeof(JNINativeMethod);
}