JDK14/Java14源码在线阅读
/*
* Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include "precompiled.hpp"
#include "classfile/classLoaderData.inline.hpp"
#include "classfile/javaClasses.inline.hpp"
#include "classfile/stringTable.hpp"
#include "classfile/symbolTable.hpp"
#include "code/scopeDesc.hpp"
#include "compiler/compileBroker.hpp"
#include "compiler/disassembler.hpp"
#include "interpreter/linkResolver.hpp"
#include "interpreter/bytecodeStream.hpp"
#include "jvmci/jvmciCompilerToVM.hpp"
#include "jvmci/jvmciCodeInstaller.hpp"
#include "jvmci/jvmciRuntime.hpp"
#include "logging/log.hpp"
#include "logging/logTag.hpp"
#include "memory/oopFactory.hpp"
#include "memory/universe.hpp"
#include "oops/constantPool.inline.hpp"
#include "oops/method.inline.hpp"
#include "oops/typeArrayOop.inline.hpp"
#include "prims/nativeLookup.hpp"
#include "runtime/atomic.hpp"
#include "runtime/deoptimization.hpp"
#include "runtime/fieldDescriptor.inline.hpp"
#include "runtime/frame.inline.hpp"
#include "runtime/interfaceSupport.inline.hpp"
#include "runtime/jniHandles.inline.hpp"
#include "runtime/timerTrace.hpp"
#include "runtime/vframe_hp.hpp"
JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) {
_thread = thread;
_klass = klass;
if (klass != NULL) {
_holder = Handle(_thread, klass->klass_holder());
}
}
JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) {
_klass = klass;
if (klass != NULL) {
_holder = Handle(_thread, klass->klass_holder());
}
return *this;
}
static void requireInHotSpot(const char* caller, JVMCI_TRAPS) {
if (!JVMCIENV->is_hotspot()) {
JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot call %s from JVMCI shared library", caller));
}
}
void JNIHandleMark::push_jni_handle_block(JavaThread* thread) {
if (thread != NULL) {
// Allocate a new block for JNI handles.
// Inlined code from jni_PushLocalFrame()
JNIHandleBlock* java_handles = thread->active_handles();
JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
compile_handles->set_pop_frame_link(java_handles);
thread->set_active_handles(compile_handles);
}
}
void JNIHandleMark::pop_jni_handle_block(JavaThread* thread) {
if (thread != NULL) {
// Release our JNI handle block
JNIHandleBlock* compile_handles = thread->active_handles();
JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
thread->set_active_handles(java_handles);
compile_handles->set_pop_frame_link(NULL);
JNIHandleBlock::release_block(compile_handles, thread); // may block
}
}
class JVMCITraceMark : public StackObj {
const char* _msg;
public:
JVMCITraceMark(const char* msg) {
_msg = msg;
if (JVMCITraceLevel >= 1) {
tty->print_cr(PTR_FORMAT " JVMCITrace-1: Enter %s", p2i(JavaThread::current()), _msg);
}
}
~JVMCITraceMark() {
if (JVMCITraceLevel >= 1) {
tty->print_cr(PTR_FORMAT " JVMCITrace-1: Exit %s", p2i(JavaThread::current()), _msg);
}
}
};
Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) {
assert(_index < _args->length(), "out of bounds");
oop arg=((objArrayOop) (_args))->obj_at(_index++);
assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch");
return Handle(Thread::current(), arg);
}
// Bring the JVMCI compiler thread into the VM state.
#define JVMCI_VM_ENTRY_MARK \
ThreadInVMfromNative __tiv(thread); \
ResetNoHandleMark rnhm; \
HandleMarkCleaner __hm(thread); \
Thread* THREAD = thread; \
debug_only(VMNativeEntryWrapper __vew;)
// Native method block that transitions current thread to '_thread_in_vm'.
#define C2V_BLOCK(result_type, name, signature) \
TRACE_CALL(result_type, jvmci_ ## name signature) \
JVMCI_VM_ENTRY_MARK; \
ResourceMark rm; \
JNI_JVMCIENV(thread, env);
static Thread* get_current_thread() {
return Thread::current_or_null_safe();
}
// Entry to native method implementation that transitions
// current thread to '_thread_in_vm'.
#define C2V_VMENTRY(result_type, name, signature) \
JNIEXPORT result_type JNICALL c2v_ ## name signature { \
Thread* base_thread = get_current_thread(); \
if (base_thread == NULL) { \
env->ThrowNew(JNIJVMCI::InternalError::clazz(), \
err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \
return; \
} \
assert(base_thread->is_Java_thread(), "just checking");\
JavaThread* thread = (JavaThread*) base_thread; \
JVMCITraceMark jtm("CompilerToVM::" #name); \
C2V_BLOCK(result_type, name, signature)
#define C2V_VMENTRY_(result_type, name, signature, result) \
JNIEXPORT result_type JNICALL c2v_ ## name signature { \
Thread* base_thread = get_current_thread(); \
if (base_thread == NULL) { \
env->ThrowNew(JNIJVMCI::InternalError::clazz(), \
err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \
return result; \
} \
assert(base_thread->is_Java_thread(), "just checking");\
JavaThread* thread = (JavaThread*) base_thread; \
JVMCITraceMark jtm("CompilerToVM::" #name); \
C2V_BLOCK(result_type, name, signature)
#define C2V_VMENTRY_NULL(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, NULL)
#define C2V_VMENTRY_0(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, 0)
// Entry to native method implementation that does not transition
// current thread to '_thread_in_vm'.
#define C2V_VMENTRY_PREFIX(result_type, name, signature) \
JNIEXPORT result_type JNICALL c2v_ ## name signature { \
Thread* base_thread = get_current_thread();
#define C2V_END }
#define JNI_THROW(caller, name, msg) do { \
jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \
if (__throw_res != JNI_OK) { \
tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \
} \
return; \
} while (0);
#define JNI_THROW_(caller, name, msg, result) do { \
jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \
if (__throw_res != JNI_OK) { \
tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \
} \
return result; \
} while (0)
jobjectArray readConfiguration0(JNIEnv *env, JVMCI_TRAPS);
C2V_VMENTRY_NULL(jobjectArray, readConfiguration, (JNIEnv* env))
jobjectArray config = readConfiguration0(env, JVMCI_CHECK_NULL);
return config;
}
C2V_VMENTRY_NULL(jobject, getFlagValue, (JNIEnv* env, jobject c2vm, jobject name_handle))
#define RETURN_BOXED_LONG(value) jvalue p; p.j = (jlong) (value); JVMCIObject box = JVMCIENV->create_box(T_LONG, &p, JVMCI_CHECK_NULL); return box.as_jobject();
#define RETURN_BOXED_DOUBLE(value) jvalue p; p.d = (jdouble) (value); JVMCIObject box = JVMCIENV->create_box(T_DOUBLE, &p, JVMCI_CHECK_NULL); return box.as_jobject();
JVMCIObject name = JVMCIENV->wrap(name_handle);
if (name.is_null()) {
JVMCI_THROW_NULL(NullPointerException);
}
const char* cstring = JVMCIENV->as_utf8_string(name);
const JVMFlag* flag = JVMFlag::find_declared_flag(cstring);
if (flag == NULL) {
return c2vm;
}
if (flag->is_bool()) {
jvalue prim;
prim.z = flag->get_bool();
JVMCIObject box = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(box);
} else if (flag->is_ccstr()) {
JVMCIObject value = JVMCIENV->create_string(flag->get_ccstr(), JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(value);
} else if (flag->is_intx()) {
RETURN_BOXED_LONG(flag->get_intx());
} else if (flag->is_int()) {
RETURN_BOXED_LONG(flag->get_int());
} else if (flag->is_uint()) {
RETURN_BOXED_LONG(flag->get_uint());
} else if (flag->is_uint64_t()) {
RETURN_BOXED_LONG(flag->get_uint64_t());
} else if (flag->is_size_t()) {
RETURN_BOXED_LONG(flag->get_size_t());
} else if (flag->is_uintx()) {
RETURN_BOXED_LONG(flag->get_uintx());
} else if (flag->is_double()) {
RETURN_BOXED_DOUBLE(flag->get_double());
} else {
JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
}
#undef RETURN_BOXED_LONG
#undef RETURN_BOXED_DOUBLE
C2V_END
C2V_VMENTRY_NULL(jobject, getObjectAtAddress, (JNIEnv* env, jobject c2vm, jlong oop_address))
requireInHotSpot("getObjectAtAddress", JVMCI_CHECK_NULL);
if (oop_address == 0) {
JVMCI_THROW_MSG_NULL(InternalError, "Handle must be non-zero");
}
oop obj = *((oopDesc**) oop_address);
if (obj != NULL) {
oopDesc::verify(obj);
}
return JNIHandles::make_local(obj);
C2V_END
C2V_VMENTRY_NULL(jbyteArray, getBytecode, (JNIEnv* env, jobject, jobject jvmci_method))
methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
int code_size = method->code_size();
jbyte* reconstituted_code = NEW_RESOURCE_ARRAY(jbyte, code_size);
guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
// iterate over all bytecodes and replace non-Java bytecodes
for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
Bytecodes::Code code = s.code();
Bytecodes::Code raw_code = s.raw_code();
int bci = s.bci();
int len = s.instruction_size();
// Restore original byte code.
reconstituted_code[bci] = (jbyte) (s.is_wide()? Bytecodes::_wide : code);
if (len > 1) {
memcpy(reconstituted_code + (bci + 1), s.bcp()+1, len-1);
}
if (len > 1) {
// Restore the big-endian constant pool indexes.
// Cf. Rewriter::scan_method
switch (code) {
case Bytecodes::_getstatic:
case Bytecodes::_putstatic:
case Bytecodes::_getfield:
case Bytecodes::_putfield:
case Bytecodes::_invokevirtual:
case Bytecodes::_invokespecial:
case Bytecodes::_invokestatic:
case Bytecodes::_invokeinterface:
case Bytecodes::_invokehandle: {
int cp_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1));
Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index);
break;
}
case Bytecodes::_invokedynamic: {
int cp_index = Bytes::get_native_u4((address) reconstituted_code + (bci + 1));
Bytes::put_Java_u4((address) reconstituted_code + (bci + 1), (u4) cp_index);
break;
}
default:
break;
}
// Not all ldc byte code are rewritten.
switch (raw_code) {
case Bytecodes::_fast_aldc: {
int cpc_index = reconstituted_code[bci + 1] & 0xff;
int cp_index = method->constants()->object_to_cp_index(cpc_index);
assert(cp_index < method->constants()->length(), "sanity check");
reconstituted_code[bci + 1] = (jbyte) cp_index;
break;
}
case Bytecodes::_fast_aldc_w: {
int cpc_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1));
int cp_index = method->constants()->object_to_cp_index(cpc_index);
assert(cp_index < method->constants()->length(), "sanity check");
Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index);
break;
}
default:
break;
}
}
}
JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL);
JVMCIENV->copy_bytes_from(reconstituted_code, result, 0, code_size);
return JVMCIENV->get_jbyteArray(result);
C2V_END
C2V_VMENTRY_0(jint, getExceptionTableLength, (JNIEnv* env, jobject, jobject jvmci_method))
Method* method = JVMCIENV->asMethod(jvmci_method);
return method->exception_table_length();
C2V_END
C2V_VMENTRY_0(jlong, getExceptionTableStart, (JNIEnv* env, jobject, jobject jvmci_method))
Method* method = JVMCIENV->asMethod(jvmci_method);
if (method->exception_table_length() == 0) {
return 0L;
}
return (jlong) (address) method->exception_table_start();
C2V_END
C2V_VMENTRY_NULL(jobject, asResolvedJavaMethod, (JNIEnv* env, jobject, jobject executable_handle))
requireInHotSpot("asResolvedJavaMethod", JVMCI_CHECK_NULL);
oop executable = JNIHandles::resolve(executable_handle);
oop mirror = NULL;
int slot = 0;
if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
mirror = java_lang_reflect_Constructor::clazz(executable);
slot = java_lang_reflect_Constructor::slot(executable);
} else {
assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
mirror = java_lang_reflect_Method::clazz(executable);
slot = java_lang_reflect_Method::slot(executable);
}
Klass* holder = java_lang_Class::as_Klass(mirror);
methodHandle method (THREAD, InstanceKlass::cast(holder)->method_with_idnum(slot));
JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
}
C2V_VMENTRY_NULL(jobject, getResolvedJavaMethod, (JNIEnv* env, jobject, jobject base, jlong offset))
Method* method;
JVMCIObject base_object = JVMCIENV->wrap(base);
if (base_object.is_null()) {
method = *((Method**)(offset));
} else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
Handle obj = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
if (obj->is_a(SystemDictionary::ResolvedMethodName_klass())) {
method = (Method*) (intptr_t) obj->long_field(offset);
} else {
JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", obj->klass()->external_name()));
}
} else if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) {
method = JVMCIENV->asMethod(base_object);
}
if (method == NULL) {
JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object)));
}
assert (method->is_method(), "invalid read");
JVMCIObject result = JVMCIENV->get_jvmci_method(methodHandle(THREAD, method), JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
}
C2V_VMENTRY_NULL(jobject, getConstantPool, (JNIEnv* env, jobject, jobject object_handle))
ConstantPool* cp = NULL;
JVMCIObject object = JVMCIENV->wrap(object_handle);
if (object.is_null()) {
JVMCI_THROW_NULL(NullPointerException);
}
if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(object)) {
cp = JVMCIENV->asMethod(object)->constMethod()->constants();
} else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(object)) {
cp = InstanceKlass::cast(JVMCIENV->asKlass(object))->constants();
} else {
JVMCI_THROW_MSG_NULL(IllegalArgumentException,
err_msg("Unexpected type: %s", JVMCIENV->klass_name(object)));
}
assert(cp != NULL, "npe");
JVMCIObject result = JVMCIENV->get_jvmci_constant_pool(constantPoolHandle(THREAD, cp), JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
}
C2V_VMENTRY_NULL(jobject, getResolvedJavaType0, (JNIEnv* env, jobject, jobject base, jlong offset, jboolean compressed))
JVMCIKlassHandle klass(THREAD);
JVMCIObject base_object = JVMCIENV->wrap(base);
jlong base_address = 0;
if (base_object.is_non_null() && offset == oopDesc::klass_offset_in_bytes()) {
// klass = JVMCIENV->unhandle(base_object)->klass();
if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
klass = base_oop->klass();
} else {
assert(false, "What types are we actually expecting here?");
}
} else if (!compressed) {
if (base_object.is_non_null()) {
if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) {
base_address = (intptr_t) JVMCIENV->asMethod(base_object);
} else if (JVMCIENV->isa_HotSpotConstantPool(base_object)) {
base_address = (intptr_t) JVMCIENV->asConstantPool(base_object);
} else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) {
base_address = (intptr_t) JVMCIENV->asKlass(base_object);
} else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
if (base_oop->is_a(SystemDictionary::Class_klass())) {
base_address = (jlong) (address) base_oop();
}
}
if (base_address == 0) {
JVMCI_THROW_MSG_NULL(IllegalArgumentException,
err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", JVMCIENV->klass_name(base_object), offset, compressed ? "true" : "false"));
}
}
klass = *((Klass**) (intptr_t) (base_address + offset));
} else {
JVMCI_THROW_MSG_NULL(IllegalArgumentException,
err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s",
base_object.is_non_null() ? JVMCIENV->klass_name(base_object) : "null",
offset, compressed ? "true" : "false"));
}
assert (klass == NULL || klass->is_klass(), "invalid read");
JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
}
C2V_VMENTRY_NULL(jobject, findUniqueConcreteMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method))
methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method));
Klass* holder = JVMCIENV->asKlass(jvmci_type);
if (holder->is_interface()) {
JVMCI_THROW_MSG_NULL(InternalError, err_msg("Interface %s should be handled in Java code", holder->external_name()));
}
if (method->can_be_statically_bound()) {
JVMCI_THROW_MSG_NULL(InternalError, err_msg("Effectively static method %s.%s should be handled in Java code", method->method_holder()->external_name(), method->external_name()));
}
methodHandle ucm;
{
MutexLocker locker(Compile_lock);
ucm = methodHandle(THREAD, Dependencies::find_unique_concrete_method(holder, method()));
}
JVMCIObject result = JVMCIENV->get_jvmci_method(ucm, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
C2V_END
C2V_VMENTRY_NULL(jobject, getImplementor, (JNIEnv* env, jobject, jobject jvmci_type))
Klass* klass = JVMCIENV->asKlass(jvmci_type);
if (!klass->is_interface()) {
THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
err_msg("Expected interface type, got %s", klass->external_name()));
}
InstanceKlass* iklass = InstanceKlass::cast(klass);
JVMCIKlassHandle handle(THREAD);
{
// Need Compile_lock around implementor()
MutexLocker locker(Compile_lock);
handle = iklass->implementor();
}
JVMCIObject implementor = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(implementor);
C2V_END
C2V_VMENTRY_0(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv* env, jobject, jobject jvmci_method))
Method* method = JVMCIENV->asMethod(jvmci_method);
return method->is_ignored_by_security_stack_walk();
C2V_END
C2V_VMENTRY_0(jboolean, isCompilable,(JNIEnv* env, jobject, jobject jvmci_method))
Method* method = JVMCIENV->asMethod(jvmci_method);
ConstantPool* cp = method->constMethod()->constants();
assert(cp != NULL, "npe");
// don't inline method when constant pool contains a CONSTANT_Dynamic
return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant();
C2V_END
C2V_VMENTRY_0(jboolean, hasNeverInlineDirective,(JNIEnv* env, jobject, jobject jvmci_method))
methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method));
return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline();
C2V_END
C2V_VMENTRY_0(jboolean, shouldInlineMethod,(JNIEnv* env, jobject, jobject jvmci_method))
methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method));
return CompilerOracle::should_inline(method) || method->force_inline();
C2V_END
C2V_VMENTRY_NULL(jobject, lookupType, (JNIEnv* env, jobject, jstring jname, jclass accessing_class, jboolean resolve))
JVMCIObject name = JVMCIENV->wrap(jname);
const char* str = JVMCIENV->as_utf8_string(name);
TempNewSymbol class_name = SymbolTable::new_symbol(str);
if (class_name->utf8_length() <= 1) {
JVMCI_THROW_MSG_0(InternalError, err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
}
JVMCIKlassHandle resolved_klass(THREAD);
Klass* accessing_klass = NULL;
Handle class_loader;
Handle protection_domain;
if (accessing_class != NULL) {
accessing_klass = JVMCIENV->asKlass(accessing_class);
class_loader = Handle(THREAD, accessing_klass->class_loader());
protection_domain = Handle(THREAD, accessing_klass->protection_domain());
} else {
// Use the System class loader
class_loader = Handle(THREAD, SystemDictionary::java_system_loader());
JVMCIENV->runtime()->initialize(JVMCIENV);
}
if (resolve) {
resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
if (resolved_klass == NULL) {
JVMCI_THROW_MSG_NULL(ClassNotFoundException, str);
}
} else {
if (class_name->char_at(0) == JVM_SIGNATURE_CLASS &&
class_name->char_at(class_name->utf8_length()-1) == JVM_SIGNATURE_ENDCLASS) {
// 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);
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());
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);
}
} else {
resolved_klass = SystemDictionary::find(class_name, class_loader, protection_domain, CHECK_0);
}
}
JVMCIObject result = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
C2V_END
C2V_VMENTRY_NULL(jobject, getArrayType, (JNIEnv* env, jobject, jobject jvmci_type))
if (jvmci_type == NULL) {
JVMCI_THROW_0(NullPointerException);
}
JVMCIObject jvmci_type_object = JVMCIENV->wrap(jvmci_type);
JVMCIKlassHandle array_klass(THREAD);
if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(jvmci_type_object)) {
BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(jvmci_type_object), JVMCI_CHECK_0);
if (type == T_VOID) {
return NULL;
}
array_klass = Universe::typeArrayKlassObj(type);
if (array_klass == NULL) {
JVMCI_THROW_MSG_NULL(InternalError, err_msg("No array klass for primitive type %s", type2name(type)));
}
} else {
Klass* klass = JVMCIENV->asKlass(jvmci_type);
if (klass == NULL) {
JVMCI_THROW_0(NullPointerException);
}
array_klass = klass->array_klass(CHECK_NULL);
}
JVMCIObject result = JVMCIENV->get_jvmci_type(array_klass, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
C2V_END
C2V_VMENTRY_NULL(jobject, lookupClass, (JNIEnv* env, jobject, jclass mirror))
requireInHotSpot("lookupClass", JVMCI_CHECK_NULL);
if (mirror == NULL) {
return NULL;
}
JVMCIKlassHandle klass(THREAD);
klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror));
if (klass == NULL) {
JVMCI_THROW_MSG_NULL(IllegalArgumentException, "Primitive classes are unsupported");
}
JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
}
C2V_VMENTRY_NULL(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(result));
C2V_END
C2V_VMENTRY_0(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
return cp->name_and_type_ref_index_at(index);
C2V_END
C2V_VMENTRY_NULL(jobject, lookupNameInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which))
constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
JVMCIObject sym = JVMCIENV->create_string(cp->name_ref_at(which), JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(sym);
C2V_END
C2V_VMENTRY_NULL(jobject, lookupSignatureInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which))
constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
JVMCIObject sym = JVMCIENV->create_string(cp->signature_ref_at(which), JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(sym);
C2V_END
C2V_VMENTRY_0(jint, lookupKlassRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
return cp->klass_ref_index_at(index);
C2V_END
C2V_VMENTRY_NULL(jobject, resolveTypeInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
Klass* klass = cp->klass_at(index, CHECK_NULL);
JVMCIKlassHandle resolved_klass(THREAD, klass);
if (resolved_klass->is_instance_klass()) {
InstanceKlass::cast(resolved_klass())->link_class(CHECK_NULL);
if (!InstanceKlass::cast(resolved_klass())->is_linked()) {
// link_class() should not return here if there is an issue.
JVMCI_THROW_MSG_NULL(InternalError, err_msg("Class %s must be linked", resolved_klass()->external_name()));
}
}
JVMCIObject klassObject = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(klassObject);
C2V_END
C2V_VMENTRY_NULL(jobject, lookupKlassInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
Klass* loading_klass = cp->pool_holder();
bool is_accessible = false;
JVMCIKlassHandle klass(THREAD, JVMCIRuntime::get_klass_by_index(cp, index, is_accessible, loading_klass));
Symbol* symbol = NULL;
if (klass.is_null()) {
constantTag tag = cp->tag_at(index);
if (tag.is_klass()) {
// The klass has been inserted into the constant pool
// very recently.
klass = cp->resolved_klass_at(index);
} else if (tag.is_symbol()) {
symbol = cp->symbol_at(index);
} else {
assert(cp->tag_at(index).is_unresolved_klass(), "wrong tag");
symbol = cp->klass_name_at(index);
}
}
JVMCIObject result;
if (!klass.is_null()) {
result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
} else {
result = JVMCIENV->create_string(symbol, JVMCI_CHECK_NULL);
}
return JVMCIENV->get_jobject(result);
C2V_END
C2V_VMENTRY_NULL(jobject, lookupAppendixInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(appendix_oop));
C2V_END
C2V_VMENTRY_NULL(jobject, lookupMethodInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
InstanceKlass* pool_holder = cp->pool_holder();
Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
methodHandle method(THREAD, JVMCIRuntime::get_method_by_index(cp, index, bc, pool_holder));
JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
C2V_END
C2V_VMENTRY_0(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
return cp->remap_instruction_operand_from_cache(index);
C2V_END
C2V_VMENTRY_NULL(jobject, resolveFieldInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
fieldDescriptor fd;
methodHandle mh(THREAD, (jvmci_method != NULL) ? JVMCIENV->asMethod(jvmci_method) : NULL);
LinkInfo link_info(cp, index, mh, CHECK_0);
LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
JVMCIPrimitiveArray info = JVMCIENV->wrap(info_handle);
if (info.is_null() || JVMCIENV->get_length(info) != 3) {
JVMCI_ERROR_NULL("info must not be null and have a length of 3");
}
JVMCIENV->put_int_at(info, 0, fd.access_flags().as_int());
JVMCIENV->put_int_at(info, 1, fd.offset());
JVMCIENV->put_int_at(info, 2, fd.index());
JVMCIKlassHandle handle(THREAD, fd.field_holder());
JVMCIObject field_holder = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(field_holder);
C2V_END
C2V_VMENTRY_0(jint, getVtableIndexForInterfaceMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method))
Klass* klass = JVMCIENV->asKlass(jvmci_type);
methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
if (klass->is_interface()) {
JVMCI_THROW_MSG_0(InternalError, err_msg("Interface %s should be handled in Java code", klass->external_name()));
}
if (!method->method_holder()->is_interface()) {
JVMCI_THROW_MSG_0(InternalError, err_msg("Method %s is not held by an interface, this case should be handled in Java code", method->name_and_sig_as_C_string()));
}
if (!klass->is_instance_klass()) {
JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name()));
}
if (!InstanceKlass::cast(klass)->is_linked()) {
JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be linked", klass->external_name()));
}
return LinkResolver::vtable_index_of_interface_method(klass, method);
C2V_END
C2V_VMENTRY_NULL(jobject, resolveMethod, (JNIEnv* env, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
Klass* recv_klass = JVMCIENV->asKlass(receiver_jvmci_type);
Klass* caller_klass = JVMCIENV->asKlass(caller_jvmci_type);
methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
Klass* resolved = method->method_holder();
Symbol* h_name = method->name();
Symbol* h_signature = method->signature();
if (MethodHandles::is_signature_polymorphic_method(method())) {
// Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
return NULL;
}
if (method->name() == vmSymbols::clone_name() &&
resolved == SystemDictionary::Object_klass() &&
recv_klass->is_array_klass()) {
// Resolution of the clone method on arrays always returns Object.clone even though that method
// has protected access. There's some trickery in the access checking to make this all work out
// so it's necessary to pass in the array class as the resolved class to properly trigger this.
// Otherwise it's impossible to resolve the array clone methods through JVMCI. See
// LinkResolver::check_method_accessability for the matching logic.
resolved = recv_klass;
}
LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
Method* m = NULL;
// Only do exact lookup if receiver klass has been linked. Otherwise,
// the vtable has not been setup, and the LinkResolver will fail.
if (recv_klass->is_array_klass() ||
(InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) {
if (resolved->is_interface()) {
m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
} else {
m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
}
}
if (m == NULL) {
// Return NULL if there was a problem with lookup (uninitialized class, etc.)
return NULL;
}
JVMCIObject result = JVMCIENV->get_jvmci_method(methodHandle(THREAD, m), JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
C2V_END
C2V_VMENTRY_0(jboolean, hasFinalizableSubclass,(JNIEnv* env, jobject, jobject jvmci_type))
Klass* klass = JVMCIENV->asKlass(jvmci_type);
assert(klass != NULL, "method must not be called for primitive types");
return Dependencies::find_finalizable_subclass(klass) != NULL;
C2V_END
C2V_VMENTRY_NULL(jobject, getClassInitializer, (JNIEnv* env, jobject, jobject jvmci_type))
Klass* klass = JVMCIENV->asKlass(jvmci_type);
if (!klass->is_instance_klass()) {
return NULL;
}
InstanceKlass* iklass = InstanceKlass::cast(klass);
methodHandle clinit(THREAD, iklass->class_initializer());
JVMCIObject result = JVMCIENV->get_jvmci_method(clinit, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
C2V_END
C2V_VMENTRY_0(jlong, getMaxCallTargetOffset, (JNIEnv* env, jobject, jlong addr))
address target_addr = (address) addr;
if (target_addr != 0x0) {
int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
return MAX2(ABS(off_low), ABS(off_high));
}
return -1;
C2V_END
C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv* env, jobject, jobject jvmci_method))
methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
method->set_not_c1_compilable();
method->set_not_c2_compilable();
method->set_dont_inline(true);
C2V_END
C2V_VMENTRY_0(jint, installCode, (JNIEnv *env, jobject, jobject target, jobject compiled_code,
jobject installed_code, jlong failed_speculations_address, jbyteArray speculations_obj))
HandleMark hm;
JNIHandleMark jni_hm(thread);
JVMCIObject target_handle = JVMCIENV->wrap(target);
JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code);
CodeBlob* cb = NULL;
JVMCIObject installed_code_handle = JVMCIENV->wrap(installed_code);
JVMCIPrimitiveArray speculations_handle = JVMCIENV->wrap(speculations_obj);
int speculations_len = JVMCIENV->get_length(speculations_handle);
char* speculations = NEW_RESOURCE_ARRAY(char, speculations_len);
JVMCIENV->copy_bytes_to(speculations_handle, (jbyte*) speculations, 0, speculations_len);
JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR);
TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
bool is_immutable_PIC = JVMCIENV->get_HotSpotCompiledCode_isImmutablePIC(compiled_code_handle) > 0;
CodeInstaller installer(JVMCIENV, is_immutable_PIC);
JVMCI::CodeInstallResult result = installer.install(compiler,
target_handle,
compiled_code_handle,
cb,
installed_code_handle,
(FailedSpeculation**)(address) failed_speculations_address,
speculations,
speculations_len,
JVMCI_CHECK_0);
if (PrintCodeCacheOnCompilation) {
stringStream s;
// Dump code cache into a buffer before locking the tty,
{
MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
CodeCache::print_summary(&s, false);
}
ttyLocker ttyl;
tty->print_raw_cr(s.as_string());
}
if (result != JVMCI::ok) {
assert(cb == NULL, "should be");
} else {
if (installed_code_handle.is_non_null()) {
if (cb->is_nmethod()) {
assert(JVMCIENV->isa_HotSpotNmethod(installed_code_handle), "wrong type");
// Clear the link to an old nmethod first
JVMCIObject nmethod_mirror = installed_code_handle;
JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK_0);
} else {
assert(JVMCIENV->isa_InstalledCode(installed_code_handle), "wrong type");
}
// Initialize the link to the new code blob
JVMCIENV->initialize_installed_code(installed_code_handle, cb, JVMCI_CHECK_0);
}
}
return result;
C2V_END
C2V_VMENTRY_0(jint, getMetadata, (JNIEnv *env, jobject, jobject target, jobject compiled_code, jobject metadata))
#if INCLUDE_AOT
HandleMark hm;
assert(JVMCIENV->is_hotspot(), "AOT code is executed only in HotSpot mode");
JVMCIObject target_handle = JVMCIENV->wrap(target);
JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code);
JVMCIObject metadata_handle = JVMCIENV->wrap(metadata);
CodeMetadata code_metadata;
CodeInstaller installer(JVMCIENV, true /* immutable PIC compilation */);
JVMCI::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, JVMCI_CHECK_0);
if (result != JVMCI::ok) {
return result;
}
if (code_metadata.get_nr_pc_desc() > 0) {
int size = sizeof(PcDesc) * code_metadata.get_nr_pc_desc();
JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_pc_desc(), array, 0, size);
HotSpotJVMCI::HotSpotMetaData::set_pcDescBytes(JVMCIENV, metadata_handle, array);
}
if (code_metadata.get_scopes_size() > 0) {
int size = code_metadata.get_scopes_size();
JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_scopes_desc(), array, 0, size);
HotSpotJVMCI::HotSpotMetaData::set_scopesDescBytes(JVMCIENV, metadata_handle, array);
}
RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
int size = (int) reloc_buffer->size();
JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
JVMCIENV->copy_bytes_from((jbyte*) reloc_buffer->begin(), array, 0, size);
HotSpotJVMCI::HotSpotMetaData::set_relocBytes(JVMCIENV, metadata_handle, array);
const OopMapSet* oopMapSet = installer.oopMapSet();
{
ResourceMark mark;
ImmutableOopMapBuilder builder(oopMapSet);
int size = builder.heap_size();
JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
builder.generate_into((address) HotSpotJVMCI::resolve(array)->byte_at_addr(0));
HotSpotJVMCI::HotSpotMetaData::set_oopMaps(JVMCIENV, metadata_handle, array);
}
AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
int nr_meta_refs = recorder->nr_meta_refs();
JVMCIObjectArray metadataArray = JVMCIENV->new_Object_array(nr_meta_refs, JVMCI_CHECK_(JVMCI::cache_full));
for (int i = 0; i < nr_meta_refs; ++i) {
jobject element = recorder->meta_element(i);
if (element == NULL) {
return JVMCI::cache_full;
}
JVMCIENV->put_object_at(metadataArray, i, JVMCIENV->wrap(element));
}
HotSpotJVMCI::HotSpotMetaData::set_metadata(JVMCIENV, metadata_handle, metadataArray);
ExceptionHandlerTable* handler = code_metadata.get_exception_table();
int table_size = handler->size_in_bytes();
JVMCIPrimitiveArray exceptionArray = JVMCIENV->new_byteArray(table_size, JVMCI_CHECK_(JVMCI::cache_full));
if (table_size > 0) {
handler->copy_bytes_to((address) HotSpotJVMCI::resolve(exceptionArray)->byte_at_addr(0));
}
HotSpotJVMCI::HotSpotMetaData::set_exceptionBytes(JVMCIENV, metadata_handle, exceptionArray);
ImplicitExceptionTable* implicit = code_metadata.get_implicit_exception_table();
int implicit_table_size = implicit->size_in_bytes();
JVMCIPrimitiveArray implicitExceptionArray = JVMCIENV->new_byteArray(implicit_table_size, JVMCI_CHECK_(JVMCI::cache_full));
if (implicit_table_size > 0) {
implicit->copy_bytes_to((address) HotSpotJVMCI::resolve(implicitExceptionArray)->byte_at_addr(0), implicit_table_size);
}
HotSpotJVMCI::HotSpotMetaData::set_implicitExceptionBytes(JVMCIENV, metadata_handle, implicitExceptionArray);
return result;
#else
JVMCI_THROW_MSG_0(InternalError, "unimplemented");
#endif
C2V_END
C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv* env, jobject))
JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK);
CompilerStatistics* stats = compiler->stats();
stats->_standard.reset();
stats->_osr.reset();
C2V_END
C2V_VMENTRY_NULL(jobject, disassembleCodeBlob, (JNIEnv* env, jobject, jobject installedCode))
HandleMark hm;
if (installedCode == NULL) {
JVMCI_THROW_MSG_NULL(NullPointerException, "installedCode is null");
}
JVMCIObject installedCodeObject = JVMCIENV->wrap(installedCode);
nmethodLocker locker;
CodeBlob* cb = JVMCIENV->get_code_blob(installedCodeObject, locker);
if (cb == NULL) {
return NULL;
}
// We don't want the stringStream buffer to resize during disassembly as it
// uses scoped resource memory. If a nested function called during disassembly uses
// a ResourceMark and the buffer expands within the scope of the mark,
// the buffer becomes garbage when that scope is exited. Experience shows that
// the disassembled code is typically about 10x the code size so a fixed buffer
// sized to 20x code size plus a fixed amount for header info should be sufficient.
int bufferSize = cb->code_size() * 20 + 1024;
char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
stringStream st(buffer, bufferSize);
if (cb->is_nmethod()) {
nmethod* nm = (nmethod*) cb;
if (!nm->is_alive()) {
return NULL;
}
}
Disassembler::decode(cb, &st);
if (st.size() <= 0) {
return NULL;
}
JVMCIObject result = JVMCIENV->create_string(st.as_string(), JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
C2V_END
C2V_VMENTRY_NULL(jobject, getStackTraceElement, (JNIEnv* env, jobject, jobject jvmci_method, int bci))
HandleMark hm;
methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
JVMCIObject element = JVMCIENV->new_StackTraceElement(method, bci, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(element);
C2V_END
C2V_VMENTRY_NULL(jobject, executeHotSpotNmethod, (JNIEnv* env, jobject, jobject args, jobject hs_nmethod))
// The incoming arguments array would have to contain JavaConstants instead of regular objects
// and the return value would have to be wrapped as a JavaConstant.
requireInHotSpot("executeHotSpotNmethod", JVMCI_CHECK_NULL);
HandleMark hm;
JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
nmethodLocker locker;
nmethod* nm = JVMCIENV->get_nmethod(nmethod_mirror, locker);
if (nm == NULL) {
JVMCI_THROW_NULL(InvalidInstalledCodeException);
}
methodHandle mh(THREAD, nm->method());
Symbol* signature = mh->signature();
JavaCallArguments jca(mh->size_of_parameters());
JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
JavaValue result(jap.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 (is_reference_type(jap.get_ret_type())) {
return JNIHandles::make_local((oop) result.get_jobject());
} else {
jvalue *value = (jvalue *) result.get_value_addr();
// Narrow the value down if required (Important on big endian machines)
switch (jap.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;
}
JVMCIObject o = JVMCIENV->create_box(jap.get_ret_type(), value, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(o);
}
C2V_END
C2V_VMENTRY_NULL(jlongArray, getLineNumberTable, (JNIEnv* env, jobject, jobject jvmci_method))
Method* method = JVMCIENV->asMethod(jvmci_method);
if (!method->has_linenumber_table()) {
return NULL;
}
u2 num_entries = 0;
CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
while (streamForSize.read_pair()) {
num_entries++;
}
CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
JVMCIPrimitiveArray result = JVMCIENV->new_longArray(2 * num_entries, JVMCI_CHECK_NULL);
int i = 0;
jlong value;
while (stream.read_pair()) {
value = ((long) stream.bci());
JVMCIENV->put_long_at(result, i, value);
value = ((long) stream.line());
JVMCIENV->put_long_at(result, i + 1, value);
i += 2;
}
return (jlongArray) JVMCIENV->get_jobject(result);
C2V_END
C2V_VMENTRY_0(jlong, getLocalVariableTableStart, (JNIEnv* env, jobject, jobject jvmci_method))
Method* method = JVMCIENV->asMethod(jvmci_method);
if (!method->has_localvariable_table()) {
return 0;
}
return (jlong) (address) method->localvariable_table_start();
C2V_END
C2V_VMENTRY_0(jint, getLocalVariableTableLength, (JNIEnv* env, jobject, jobject jvmci_method))
Method* method = JVMCIENV->asMethod(jvmci_method);
return method->localvariable_table_length();
C2V_END
C2V_VMENTRY(void, reprofile, (JNIEnv* env, jobject, jobject jvmci_method))
methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
MethodCounters* mcs = method->method_counters();
if (mcs != NULL) {
mcs->clear_counters();
}
NOT_PRODUCT(method->set_compiled_invocation_count(0));
CompiledMethod* code = method->code();
if (code != NULL) {
code->make_not_entrant();
}
MethodData* method_data = method->method_data();
if (method_data == NULL) {
ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
method_data = MethodData::allocate(loader_data, method, CHECK);
method->set_method_data(method_data);
} else {
method_data->initialize();
}
C2V_END
C2V_VMENTRY(void, invalidateHotSpotNmethod, (JNIEnv* env, jobject, jobject hs_nmethod))
JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK);
C2V_END
C2V_VMENTRY_NULL(jobject, readUncompressedOop, (JNIEnv* env, jobject, jlong addr))
oop ret = RawAccess<>::oop_load((oop*)(address)addr);
return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(ret));
C2V_END
C2V_VMENTRY_NULL(jlongArray, collectCounters, (JNIEnv* env, jobject))
// Returns a zero length array if counters aren't enabled
JVMCIPrimitiveArray array = JVMCIENV->new_longArray(JVMCICounterSize, JVMCI_CHECK_NULL);
if (JVMCICounterSize > 0) {
jlong* temp_array = NEW_RESOURCE_ARRAY(jlong, JVMCICounterSize);
JavaThread::collect_counters(temp_array, JVMCICounterSize);
JVMCIENV->copy_longs_from(temp_array, array, 0, JVMCICounterSize);
}
return (jlongArray) JVMCIENV->get_jobject(array);
C2V_END
C2V_VMENTRY_0(jint, getCountersSize, (JNIEnv* env, jobject))
return (jint) JVMCICounterSize;
C2V_END
C2V_VMENTRY(void, setCountersSize, (JNIEnv* env, jobject, jint new_size))
JavaThread::resize_all_jvmci_counters(new_size);
C2V_END
C2V_VMENTRY_0(jint, allocateCompileId, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci))
HandleMark hm;
if (jvmci_method == NULL) {
JVMCI_THROW_0(NullPointerException);
}
methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
if (entry_bci >= method->code_size() || entry_bci < -1) {
JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Unexpected bci %d", entry_bci));
}
return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
C2V_END
C2V_VMENTRY_0(jboolean, isMature, (JNIEnv* env, jobject, jlong metaspace_method_data))
MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data);
return mdo != NULL && mdo->is_mature();
C2V_END
C2V_VMENTRY_0(jboolean, hasCompiledCodeForOSR, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci, int comp_level))
Method* method = JVMCIENV->asMethod(jvmci_method);
return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
C2V_END
C2V_VMENTRY_NULL(jobject, getSymbol, (JNIEnv* env, jobject, jlong symbol))
JVMCIObject sym = JVMCIENV->create_string((Symbol*)(address)symbol, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(sym);
C2V_END
bool matches(jobjectArray methods, Method* method, JVMCIEnv* JVMCIENV) {
objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
for (int i = 0; i < methods_oop->length(); i++) {
oop resolved = methods_oop->obj_at(i);
if ((resolved->klass() == HotSpotJVMCI::HotSpotResolvedJavaMethodImpl::klass()) && HotSpotJVMCI::asMethod(JVMCIENV, resolved) == method) {
return true;
}
}
return false;
}
void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
CallInfo callinfo;
Handle receiver = args->receiver();
Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass();
LinkInfo link_info(spec_klass, name, signature);
LinkResolver::resolve_interface_call(
callinfo, receiver, recvrKlass, link_info, true, CHECK);
methodHandle method(THREAD, callinfo.selected_method());
assert(method.not_null(), "should have thrown exception");
// Invoke the method
JavaCalls::call(result, method, args, CHECK);
}
C2V_VMENTRY_NULL(jobject, iterateFrames, (JNIEnv* env, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle))
if (!thread->has_last_Java_frame()) {
return NULL;
}
Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle));
requireInHotSpot("iterateFrames", JVMCI_CHECK_NULL);
HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
Handle frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
StackFrameStream fst(thread);
jobjectArray methods = initial_methods;
int frame_number = 0;
vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
while (true) {
// look for the given method
bool realloc_called = false;
while (true) {
StackValueCollection* locals = NULL;
if (vf->is_compiled_frame()) {
// compiled method frame
compiledVFrame* cvf = compiledVFrame::cast(vf);
if (methods == NULL || matches(methods, cvf->method(), JVMCIENV)) {
if (initialSkip > 0) {
initialSkip--;
} else {
ScopeDesc* scope = cvf->scope();
// native wrappers do not have a scope
if (scope != NULL && scope->objects() != NULL) {
GrowableArray<ScopeValue*>* objects;
if (!realloc_called) {
objects = scope->objects();
} else {
// some object might already have been re-allocated, only reallocate the non-allocated ones
objects = new GrowableArray<ScopeValue*>(scope->objects()->length());
for (int i = 0; i < scope->objects()->length(); i++) {
ObjectValue* sv = (ObjectValue*) scope->objects()->at(i);
if (sv->value().is_null()) {
objects->append(sv);
}
}
}
bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), fst.register_map(), objects, CHECK_NULL);
Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false);
realloc_called = true;
GrowableArray<ScopeValue*>* local_values = scope->locals();
assert(local_values != NULL, "NULL locals");
typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
typeArrayHandle array(THREAD, array_oop);
for (int i = 0; i < local_values->length(); i++) {
ScopeValue* value = local_values->at(i);
if (value->is_object()) {
array->bool_at_put(i, true);
}
}
HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), array());
} else {
HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL);
}
locals = cvf->locals();
HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), cvf->bci());
methodHandle mh(THREAD, cvf->method());
JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject()));
}
}
} else if (vf->is_interpreted_frame()) {
// interpreted method frame
interpretedVFrame* ivf = interpretedVFrame::cast(vf);
if (methods == NULL || matches(methods, ivf->method(), JVMCIENV)) {
if (initialSkip > 0) {
initialSkip--;
} else {
locals = ivf->locals();
HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), ivf->bci());
methodHandle mh(THREAD, ivf->method());
JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject()));
HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL);
}
}
}
// locals != NULL means that we found a matching frame and result is already partially initialized
if (locals != NULL) {
methods = match_methods;
HotSpotJVMCI::HotSpotStackFrameReference::set_compilerToVM(JVMCIENV, frame_reference(), JNIHandles::resolve(compilerToVM));
HotSpotJVMCI::HotSpotStackFrameReference::set_stackPointer(JVMCIENV, frame_reference(), (jlong) fst.current()->sp());
HotSpotJVMCI::HotSpotStackFrameReference::set_frameNumber(JVMCIENV, frame_reference(), frame_number);
// initialize the locals array
objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
objArrayHandle array(THREAD, array_oop);
for (int i = 0; i < locals->size(); i++) {
StackValue* var = locals->at(i);
if (var->type() == T_OBJECT) {
array->obj_at_put(i, locals->at(i)->get_obj()());
}
}
HotSpotJVMCI::HotSpotStackFrameReference::set_locals(JVMCIENV, frame_reference(), array());
HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, frame_reference(), JNI_FALSE);
JavaValue result(T_OBJECT);
JavaCallArguments args(visitor);
args.push_oop(frame_reference);
call_interface(&result, HotSpotJVMCI::InspectedFrameVisitor::klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL);
if (result.get_jobject() != NULL) {
return JNIHandles::make_local(thread, (oop) result.get_jobject());
}
assert(initialSkip == 0, "There should be no match before initialSkip == 0");
if (HotSpotJVMCI::HotSpotStackFrameReference::objectsMaterialized(JVMCIENV, frame_reference()) == JNI_TRUE) {
// the frame has been deoptimized, we need to re-synchronize the frame and vframe
intptr_t* stack_pointer = (intptr_t*) HotSpotJVMCI::HotSpotStackFrameReference::stackPointer(JVMCIENV, frame_reference());
fst = StackFrameStream(thread);
while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
fst.next();
}
if (fst.current()->sp() != stack_pointer) {
THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
}
vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
if (!vf->is_compiled_frame()) {
THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
}
for (int i = 0; i < frame_number; i++) {
if (vf->is_top()) {
THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt")
}
vf = vf->sender();
assert(vf->is_compiled_frame(), "Wrong frame type");
}
}
frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
}
if (vf->is_top()) {
break;
}
frame_number++;
vf = vf->sender();
} // end of vframe loop
if (fst.is_done()) {
break;
}
fst.next();
vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
frame_number = 0;
} // end of frame loop
// the end was reached without finding a matching method
return NULL;
C2V_END
C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
CallInfo callInfo;
LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
cp_cache_entry->set_dynamic_call(cp, callInfo);
C2V_END
C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
Klass* holder = cp->klass_ref_at(index, CHECK);
Symbol* name = cp->name_ref_at(index);
if (MethodHandles::is_signature_polymorphic_name(holder, name)) {
CallInfo callInfo;
LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
cp_cache_entry->set_method_handle(cp, callInfo);
}
C2V_END
C2V_VMENTRY_0(jint, isResolvedInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) {
// MethodHandle.invoke* --> LambdaForm?
ResourceMark rm;
LinkInfo link_info(cp, index, CATCH);
Klass* resolved_klass = link_info.resolved_klass();
Symbol* name_sym = cp->name_ref_at(index);
vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!");
vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!");
methodHandle adapter_method(THREAD, cp_cache_entry->f1_as_method());
methodHandle resolved_method(adapter_method);
// Can we treat it as a regular invokevirtual?
if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) {
vmassert(!resolved_method->is_static(),"!");
vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!");
vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!");
vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!");
methodHandle m(THREAD, LinkResolver::linktime_resolve_virtual_method_or_null(link_info));
vmassert(m == resolved_method, "!!");
return -1;
}
return Bytecodes::_invokevirtual;
}
if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) {
return Bytecodes::_invokedynamic;
}
return -1;
C2V_END
C2V_VMENTRY_NULL(jobject, getSignaturePolymorphicHolders, (JNIEnv* env, jobject))
JVMCIObjectArray holders = JVMCIENV->new_String_array(2, JVMCI_CHECK_NULL);
JVMCIObject mh = JVMCIENV->create_string("Ljava/lang/invoke/MethodHandle;", JVMCI_CHECK_NULL);
JVMCIObject vh = JVMCIENV->create_string("Ljava/lang/invoke/VarHandle;", JVMCI_CHECK_NULL);
JVMCIENV->put_object_at(holders, 0, mh);
JVMCIENV->put_object_at(holders, 1, vh);
return JVMCIENV->get_jobject(holders);
C2V_END
C2V_VMENTRY_0(jboolean, shouldDebugNonSafepoints, (JNIEnv* env, jobject))
//see compute_recording_non_safepoints in debugInfroRec.cpp
if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
return true;
}
return DebugNonSafepoints;
C2V_END
// public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv* env, jobject, jobject _hs_frame, bool invalidate))
JVMCIObject hs_frame = JVMCIENV->wrap(_hs_frame);
if (hs_frame.is_null()) {
JVMCI_THROW_MSG(NullPointerException, "stack frame is null");
}
requireInHotSpot("materializeVirtualObjects", JVMCI_CHECK);
JVMCIENV->HotSpotStackFrameReference_initialize(JVMCI_CHECK);
// look for the given stack frame
StackFrameStream fst(thread);
intptr_t* stack_pointer = (intptr_t*) JVMCIENV->get_HotSpotStackFrameReference_stackPointer(hs_frame);
while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
fst.next();
}
if (fst.current()->sp() != stack_pointer) {
JVMCI_THROW_MSG(IllegalStateException, "stack frame not found");
}
if (invalidate) {
if (!fst.current()->is_compiled_frame()) {
JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected");
}
assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
((nmethod*) fst.current()->cb())->make_not_entrant();
}
Deoptimization::deoptimize(thread, *fst.current(), 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) {
JVMCI_THROW_MSG(IllegalStateException, "stack frame not found after deopt");
}
vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
if (!vf->is_compiled_frame()) {
JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected");
}
GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
while (true) {
assert(vf->is_compiled_frame(), "Wrong frame type");
virtualFrames->push(compiledVFrame::cast(vf));
if (vf->is_top()) {
break;
}
vf = vf->sender();
}
int last_frame_number = JVMCIENV->get_HotSpotStackFrameReference_frameNumber(hs_frame);
if (last_frame_number >= virtualFrames->length()) {
JVMCI_THROW_MSG(IllegalStateException, "invalid frame number");
}
// Reallocate the non-escaping objects and restore their fields.
assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
if (objects == NULL) {
// no objects to materialize
return;
}
bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, CHECK);
Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
compiledVFrame* cvf = virtualFrames->at(frame_index);
GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
StackValueCollection* locals = cvf->locals();
if (locals != NULL) {
for (int i2 = 0; i2 < locals->size(); i2++) {
StackValue* var = locals->at(i2);
if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
jvalue val;
val.l = (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
JVMCIENV->set_HotSpotStackFrameReference_localIsVirtual(hs_frame, NULL);
// update the locals array
JVMCIObjectArray array = JVMCIENV->get_HotSpotStackFrameReference_locals(hs_frame);
StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
for (int i = 0; i < locals->size(); i++) {
StackValue* var = locals->at(i);
if (var->type() == T_OBJECT) {
JVMCIENV->put_object_at(array, i, HotSpotJVMCI::wrap(locals->at(i)->get_obj()()));
}
}
HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, hs_frame, JNI_TRUE);
C2V_END
// Creates a scope where the current thread is attached and detached
// from HotSpot if it wasn't already attached when entering the scope.
extern "C" void jio_printf(const char *fmt, ...);
class AttachDetach : public StackObj {
public:
bool _attached;
AttachDetach(JNIEnv* env, Thread* current_thread) {
if (current_thread == NULL) {
extern struct JavaVM_ main_vm;
JNIEnv* hotspotEnv;
jint res = main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL);
_attached = res == JNI_OK;
static volatile int report_attach_error = 0;
if (res != JNI_OK && report_attach_error == 0 && Atomic::cmpxchg(&report_attach_error, 0, 1) == 0) {
// Only report an attach error once
jio_printf("Warning: attaching current thread to VM failed with %d (future attach errors are suppressed)\n", res);
}
} else {
_attached = false;
}
}
~AttachDetach() {
if (_attached && get_current_thread() != NULL) {
extern struct JavaVM_ main_vm;
jint res = main_vm.DetachCurrentThread();
static volatile int report_detach_error = 0;
if (res != JNI_OK && report_detach_error == 0 && Atomic::cmpxchg(&report_detach_error, 0, 1) == 0) {
// Only report an attach error once
jio_printf("Warning: detaching current thread from VM failed with %d (future attach errors are suppressed)\n", res);
}
}
}
};
C2V_VMENTRY_PREFIX(jint, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length, bool flush, bool can_throw))
AttachDetach ad(env, base_thread);
bool use_tty = true;
if (base_thread == NULL) {
if (!ad._attached) {
// Can only use tty if the current thread is attached
return 0;
}
base_thread = get_current_thread();
}
JVMCITraceMark jtm("writeDebugOutput");
assert(base_thread->is_Java_thread(), "just checking");
JavaThread* thread = (JavaThread*) base_thread;
C2V_BLOCK(void, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length))
if (bytes == NULL) {
if (can_throw) {
JVMCI_THROW_0(NullPointerException);
}
return -1;
}
JVMCIPrimitiveArray array = JVMCIENV->wrap(bytes);
// Check if offset and length are non negative.
if (offset < 0 || length < 0) {
if (can_throw) {
JVMCI_THROW_0(ArrayIndexOutOfBoundsException);
}
return -2;
}
// Check if the range is valid.
int array_length = JVMCIENV->get_length(array);
if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array_length)) {
if (can_throw) {
JVMCI_THROW_0(ArrayIndexOutOfBoundsException);
}
return -2;
}
jbyte buffer[O_BUFLEN];
while (length > 0) {
int copy_len = MIN2(length, (jint)O_BUFLEN);
JVMCIENV->copy_bytes_to(array, buffer, offset, copy_len);
tty->write((char*) buffer, copy_len);
length -= O_BUFLEN;
offset += O_BUFLEN;
}
if (flush) {
tty->flush();
}
return 0;
C2V_END
C2V_VMENTRY(void, flushDebugOutput, (JNIEnv* env, jobject))
tty->flush();
C2V_END
C2V_VMENTRY_0(jint, methodDataProfileDataSize, (JNIEnv* env, jobject, jlong metaspace_method_data, jint position))
MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data);
ProfileData* profile_data = mdo->data_at(position);
if (mdo->is_valid(profile_data)) {
return profile_data->size_in_bytes();
}
DataLayout* data = mdo->extra_data_base();
DataLayout* end = mdo->extra_data_limit();
for (;; data = mdo->next_extra(data)) {
assert(data < end, "moved past end of extra data");
profile_data = data->data_in();
if (mdo->dp_to_di(profile_data->dp()) == position) {
return profile_data->size_in_bytes();
}
}
JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Invalid profile data position %d", position));
C2V_END
C2V_VMENTRY_0(jlong, getFingerprint, (JNIEnv* env, jobject, jlong metaspace_klass))
#if INCLUDE_AOT
Klass *k = (Klass*) (address) metaspace_klass;
if (k->is_instance_klass()) {
return InstanceKlass::cast(k)->get_stored_fingerprint();
} else {
return 0;
}
#else
JVMCI_THROW_MSG_0(InternalError, "unimplemented");
#endif
C2V_END
C2V_VMENTRY_NULL(jobject, getHostClass, (JNIEnv* env, jobject, jobject jvmci_type))
InstanceKlass* k = InstanceKlass::cast(JVMCIENV->asKlass(jvmci_type));
InstanceKlass* host = k->unsafe_anonymous_host();
JVMCIKlassHandle handle(THREAD, host);
JVMCIObject result = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
C2V_END
C2V_VMENTRY_NULL(jobject, getInterfaces, (JNIEnv* env, jobject, jobject jvmci_type))
if (jvmci_type == NULL) {
JVMCI_THROW_0(NullPointerException);
}
Klass* klass = JVMCIENV->asKlass(jvmci_type);
if (klass == NULL) {
JVMCI_THROW_0(NullPointerException);
}
if (!klass->is_instance_klass()) {
JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name()));
}
InstanceKlass* iklass = InstanceKlass::cast(klass);
// Regular instance klass, fill in all local interfaces
int size = iklass->local_interfaces()->length();
JVMCIObjectArray interfaces = JVMCIENV->new_HotSpotResolvedObjectTypeImpl_array(size, JVMCI_CHECK_NULL);
for (int index = 0; index < size; index++) {
JVMCIKlassHandle klass(THREAD);
Klass* k = iklass->local_interfaces()->at(index);
klass = k;
JVMCIObject type = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
JVMCIENV->put_object_at(interfaces, index, type);
}
return JVMCIENV->get_jobject(interfaces);
C2V_END
C2V_VMENTRY_NULL(jobject, getComponentType, (JNIEnv* env, jobject, jobject jvmci_type))
if (jvmci_type == NULL) {
JVMCI_THROW_0(NullPointerException);
}
Klass* klass = JVMCIENV->asKlass(jvmci_type);
oop mirror = klass->java_mirror();
if (java_lang_Class::is_primitive(mirror) ||
!java_lang_Class::as_Klass(mirror)->is_array_klass()) {
return NULL;
}
oop component_mirror = java_lang_Class::component_mirror(mirror);
if (component_mirror == NULL) {
return NULL;
}
Klass* component_klass = java_lang_Class::as_Klass(component_mirror);
if (component_klass != NULL) {
JVMCIKlassHandle klass_handle(THREAD);
klass_handle = component_klass;
JVMCIObject result = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
}
BasicType type = java_lang_Class::primitive_type(component_mirror);
JVMCIObject result = JVMCIENV->get_jvmci_primitive_type(type);
return JVMCIENV->get_jobject(result);
C2V_END
C2V_VMENTRY(void, ensureInitialized, (JNIEnv* env, jobject, jobject jvmci_type))
if (jvmci_type == NULL) {
JVMCI_THROW(NullPointerException);
}
Klass* klass = JVMCIENV->asKlass(jvmci_type);
if (klass != NULL && klass->should_be_initialized()) {
InstanceKlass* k = InstanceKlass::cast(klass);
k->initialize(CHECK);
}
C2V_END
C2V_VMENTRY_0(jint, interpreterFrameSize, (JNIEnv* env, jobject, jobject bytecode_frame_handle))
if (bytecode_frame_handle == NULL) {
JVMCI_THROW_0(NullPointerException);
}
JVMCIObject top_bytecode_frame = JVMCIENV->wrap(bytecode_frame_handle);
JVMCIObject bytecode_frame = top_bytecode_frame;
int size = 0;
int callee_parameters = 0;
int callee_locals = 0;
Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame));
int extra_args = method->max_stack() - JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame);
while (bytecode_frame.is_non_null()) {
int locks = JVMCIENV->get_BytecodeFrame_numLocks(bytecode_frame);
int temps = JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame);
bool is_top_frame = (JVMCIENV->equals(bytecode_frame, top_bytecode_frame));
Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame));
int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
temps + callee_parameters,
extra_args,
locks,
callee_parameters,
callee_locals,
is_top_frame);
size += frame_size;
callee_parameters = method->size_of_parameters();
callee_locals = method->max_locals();
extra_args = 0;
bytecode_frame = JVMCIENV->get_BytecodePosition_caller(bytecode_frame);
}
return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
C2V_END
C2V_VMENTRY(void, compileToBytecode, (JNIEnv* env, jobject, jobject lambda_form_handle))
Handle lambda_form = JVMCIENV->asConstant(JVMCIENV->wrap(lambda_form_handle), JVMCI_CHECK);
if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode");
JavaValue result(T_VOID);
JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
} else {
JVMCI_THROW_MSG(IllegalArgumentException,
err_msg("Unexpected type: %s", lambda_form->klass()->external_name()))
}
C2V_END
C2V_VMENTRY_0(jint, getIdentityHashCode, (JNIEnv* env, jobject, jobject object))
Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
return obj->identity_hash();
C2V_END
C2V_VMENTRY_0(jboolean, isInternedString, (JNIEnv* env, jobject, jobject object))
Handle str = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
if (!java_lang_String::is_instance(str())) {
return false;
}
int len;
jchar* name = java_lang_String::as_unicode_string(str(), len, CHECK_0);
return (StringTable::lookup(name, len) != NULL);
C2V_END
C2V_VMENTRY_NULL(jobject, unboxPrimitive, (JNIEnv* env, jobject, jobject object))
if (object == NULL) {
JVMCI_THROW_0(NullPointerException);
}
Handle box = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
BasicType type = java_lang_boxing_object::basic_type(box());
jvalue result;
if (java_lang_boxing_object::get_value(box(), &result) == T_ILLEGAL) {
return NULL;
}
JVMCIObject boxResult = JVMCIENV->create_box(type, &result, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(boxResult);
C2V_END
C2V_VMENTRY_NULL(jobject, boxPrimitive, (JNIEnv* env, jobject, jobject object))
if (object == NULL) {
JVMCI_THROW_0(NullPointerException);
}
JVMCIObject box = JVMCIENV->wrap(object);
BasicType type = JVMCIENV->get_box_type(box);
if (type == T_ILLEGAL) {
return NULL;
}
jvalue value = JVMCIENV->get_boxed_value(type, box);
JavaValue box_result(T_OBJECT);
JavaCallArguments jargs;
Klass* box_klass = NULL;
Symbol* box_signature = NULL;
#define BOX_CASE(bt, v, argtype, name) \
case bt: \
jargs.push_##argtype(value.v); \
box_klass = SystemDictionary::name##_klass(); \
box_signature = vmSymbols::name##_valueOf_signature(); \
break
switch (type) {
BOX_CASE(T_BOOLEAN, z, int, Boolean);
BOX_CASE(T_BYTE, b, int, Byte);
BOX_CASE(T_CHAR, c, int, Character);
BOX_CASE(T_SHORT, s, int, Short);
BOX_CASE(T_INT, i, int, Integer);
BOX_CASE(T_LONG, j, long, Long);
BOX_CASE(T_FLOAT, f, float, Float);
BOX_CASE(T_DOUBLE, d, double, Double);
default:
ShouldNotReachHere();
}
#undef BOX_CASE
JavaCalls::call_static(&box_result,
box_klass,
vmSymbols::valueOf_name(),
box_signature, &jargs, CHECK_NULL);
oop hotspot_box = (oop) box_result.get_jobject();
JVMCIObject result = JVMCIENV->get_object_constant(hotspot_box, false);
return JVMCIENV->get_jobject(result);
C2V_END
C2V_VMENTRY_NULL(jobjectArray, getDeclaredConstructors, (JNIEnv* env, jobject, jobject holder))
if (holder == NULL) {
JVMCI_THROW_0(NullPointerException);
}
Klass* klass = JVMCIENV->asKlass(holder);
if (!klass->is_instance_klass()) {
JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobjectArray(methods);
}
InstanceKlass* iklass = InstanceKlass::cast(klass);
// Ensure class is linked
iklass->link_class(CHECK_NULL);
GrowableArray<Method*> constructors_array;
for (int i = 0; i < iklass->methods()->length(); i++) {
Method* m = iklass->methods()->at(i);
if (m->is_initializer() && !m->is_static()) {
constructors_array.append(m);
}
}
JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(constructors_array.length(), JVMCI_CHECK_NULL);
for (int i = 0; i < constructors_array.length(); i++) {
methodHandle ctor(THREAD, constructors_array.at(i));
JVMCIObject method = JVMCIENV->get_jvmci_method(ctor, JVMCI_CHECK_NULL);
JVMCIENV->put_object_at(methods, i, method);
}
return JVMCIENV->get_jobjectArray(methods);
C2V_END
C2V_VMENTRY_NULL(jobjectArray, getDeclaredMethods, (JNIEnv* env, jobject, jobject holder))
if (holder == NULL) {
JVMCI_THROW_0(NullPointerException);
}
Klass* klass = JVMCIENV->asKlass(holder);
if (!klass->is_instance_klass()) {
JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobjectArray(methods);
}
InstanceKlass* iklass = InstanceKlass::cast(klass);
// Ensure class is linked
iklass->link_class(CHECK_NULL);
GrowableArray<Method*> methods_array;
for (int i = 0; i < iklass->methods()->length(); i++) {
Method* m = iklass->methods()->at(i);
if (!m->is_initializer() && !m->is_overpass()) {
methods_array.append(m);
}
}
JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(methods_array.length(), JVMCI_CHECK_NULL);
for (int i = 0; i < methods_array.length(); i++) {
methodHandle mh(THREAD, methods_array.at(i));
JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
JVMCIENV->put_object_at(methods, i, method);
}
return JVMCIENV->get_jobjectArray(methods);
C2V_END
C2V_VMENTRY_NULL(jobject, readFieldValue, (JNIEnv* env, jobject, jobject object, jobject field, jboolean is_volatile))
if (object == NULL || field == NULL) {
JVMCI_THROW_0(NullPointerException);
}
JVMCIObject field_object = JVMCIENV->wrap(field);
JVMCIObject java_type = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_type(field_object);
int modifiers = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_modifiers(field_object);
Klass* holder = JVMCIENV->asKlass(JVMCIENV->get_HotSpotResolvedJavaFieldImpl_holder(field_object));
if (!holder->is_instance_klass()) {
JVMCI_THROW_MSG_0(InternalError, err_msg("Holder %s must be instance klass", holder->external_name()));
}
InstanceKlass* ik = InstanceKlass::cast(holder);
BasicType constant_type;
if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(java_type)) {
constant_type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(java_type), JVMCI_CHECK_NULL);
} else {
constant_type = T_OBJECT;
}
int displacement = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_offset(field_object);
fieldDescriptor fd;
if (!ik->find_local_field_from_offset(displacement, (modifiers & JVM_ACC_STATIC) != 0, &fd)) {
JVMCI_THROW_MSG_0(InternalError, err_msg("Can't find field with displacement %d", displacement));
}
JVMCIObject base = JVMCIENV->wrap(object);
Handle obj;
if (JVMCIENV->isa_HotSpotObjectConstantImpl(base)) {
obj = JVMCIENV->asConstant(base, JVMCI_CHECK_NULL);
} else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base)) {
Klass* klass = JVMCIENV->asKlass(base);
obj = Handle(THREAD, klass->java_mirror());
} else {
JVMCI_THROW_MSG_NULL(IllegalArgumentException,
err_msg("Unexpected type: %s", JVMCIENV->klass_name(base)));
}
jlong value = 0;
JVMCIObject kind;
switch (constant_type) {
case T_OBJECT: {
oop object = is_volatile ? obj->obj_field_acquire(displacement) : obj->obj_field(displacement);
JVMCIObject result = JVMCIENV->get_object_constant(object);
if (result.is_null()) {
return JVMCIENV->get_jobject(JVMCIENV->get_JavaConstant_NULL_POINTER());
}
return JVMCIENV->get_jobject(result);
}
case T_FLOAT: {
float f = is_volatile ? obj->float_field_acquire(displacement) : obj->float_field(displacement);
JVMCIObject result = JVMCIENV->call_JavaConstant_forFloat(f, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
}
case T_DOUBLE: {
double f = is_volatile ? obj->double_field_acquire(displacement) : obj->double_field(displacement);
JVMCIObject result = JVMCIENV->call_JavaConstant_forDouble(f, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
}
case T_BOOLEAN: value = is_volatile ? obj->bool_field_acquire(displacement) : obj->bool_field(displacement); break;
case T_BYTE: value = is_volatile ? obj->byte_field_acquire(displacement) : obj->byte_field(displacement); break;
case T_SHORT: value = is_volatile ? obj->short_field_acquire(displacement) : obj->short_field(displacement); break;
case T_CHAR: value = is_volatile ? obj->char_field_acquire(displacement) : obj->char_field(displacement); break;
case T_INT: value = is_volatile ? obj->int_field_acquire(displacement) : obj->int_field(displacement); break;
case T_LONG: value = is_volatile ? obj->long_field_acquire(displacement) : obj->long_field(displacement); break;
default:
ShouldNotReachHere();
}
JVMCIObject result = JVMCIENV->call_PrimitiveConstant_forTypeChar(type2char(constant_type), value, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
C2V_END
C2V_VMENTRY_0(jboolean, isInstance, (JNIEnv* env, jobject, jobject holder, jobject object))
if (object == NULL || holder == NULL) {
JVMCI_THROW_0(NullPointerException);
}
Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder));
return obj->is_a(klass);
C2V_END
C2V_VMENTRY_0(jboolean, isAssignableFrom, (JNIEnv* env, jobject, jobject holder, jobject otherHolder))
if (holder == NULL || otherHolder == NULL) {
JVMCI_THROW_0(NullPointerException);
}
Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder));
Klass* otherKlass = JVMCIENV->asKlass(JVMCIENV->wrap(otherHolder));
return otherKlass->is_subtype_of(klass);
C2V_END
C2V_VMENTRY_0(jboolean, isTrustedForIntrinsics, (JNIEnv* env, jobject, jobject holder))
if (holder == NULL) {
JVMCI_THROW_0(NullPointerException);
}
InstanceKlass* ik = InstanceKlass::cast(JVMCIENV->asKlass(JVMCIENV->wrap(holder)));
if (ik->class_loader_data()->is_boot_class_loader_data() || ik->class_loader_data()->is_platform_class_loader_data()) {
return true;
}
return false;
C2V_END
C2V_VMENTRY_NULL(jobject, asJavaType, (JNIEnv* env, jobject, jobject object))
if (object == NULL) {
JVMCI_THROW_0(NullPointerException);
}
Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
if (java_lang_Class::is_instance(obj())) {
if (java_lang_Class::is_primitive(obj())) {
JVMCIObject type = JVMCIENV->get_jvmci_primitive_type(java_lang_Class::primitive_type(obj()));
return JVMCIENV->get_jobject(type);
}
Klass* klass = java_lang_Class::as_Klass(obj());
JVMCIKlassHandle klass_handle(THREAD);
klass_handle = klass;
JVMCIObject type = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(type);
}
return NULL;
C2V_END
C2V_VMENTRY_NULL(jobject, asString, (JNIEnv* env, jobject, jobject object))
if (object == NULL) {
JVMCI_THROW_0(NullPointerException);
}
Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
const char* str = java_lang_String::as_utf8_string(obj());
JVMCIObject result = JVMCIENV->create_string(str, JVMCI_CHECK_NULL);
return JVMCIENV->get_jobject(result);
C2V_END
C2V_VMENTRY_0(jboolean, equals, (JNIEnv* env, jobject, jobject x, jlong xHandle, jobject y, jlong yHandle))
if (x == NULL || y == NULL) {
JVMCI_THROW_0(NullPointerException);
}
return JVMCIENV->resolve_handle(xHandle) == JVMCIENV->resolve_handle(yHandle);
C2V_END
C2V_VMENTRY_NULL(jobject, getJavaMirror, (JNIEnv* env, jobject, jobject object))
if (object == NULL) {
JVMCI_THROW_0(NullPointerException);
}
JVMCIObject base_object = JVMCIENV->wrap(object);
Handle mirror;
if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) {
mirror = Handle(THREAD, JVMCIENV->asKlass(base_object)->java_mirror());
} else if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(base_object)) {
mirror = JVMCIENV->asConstant(JVMCIENV->get_HotSpotResolvedPrimitiveType_mirror(base_object), JVMCI_CHECK_NULL);
} else {
JVMCI_THROW_MSG_NULL(IllegalArgumentException,
err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object)));
}
JVMCIObject result = JVMCIENV->get_object_constant(mirror());
return JVMCIENV->get_jobject(result);
C2V_END
C2V_VMENTRY_0(jint, getArrayLength, (JNIEnv* env, jobject, jobject x))
if (x == NULL) {
JVMCI_THROW_0(NullPointerException);
}
Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
if (xobj->klass()->is_array_klass()) {
return arrayOop(xobj())->length();
}
return -1;
C2V_END
C2V_VMENTRY_NULL(jobject, readArrayElement, (JNIEnv* env, jobject, jobject x, int index))
if (x == NULL) {
JVMCI_THROW_0(NullPointerException);
}
Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_NULL);
if (xobj->klass()->is_array_klass()) {
arrayOop array = arrayOop(xobj());
BasicType element_type = ArrayKlass::cast(array->klass())->element_type();
if (index < 0 || index >= array->length()) {
return NULL;
}
JVMCIObject result;
if (element_type == T_OBJECT) {
result = JVMCIENV->get_object_constant(objArrayOop(xobj())->obj_at(index));
if (result.is_null()) {
result = JVMCIENV->get_JavaConstant_NULL_POINTER();
}
} else {
jvalue value;
switch (element_type) {
case T_DOUBLE: value.d = typeArrayOop(xobj())->double_at(index); break;
case T_FLOAT: value.f = typeArrayOop(xobj())->float_at(index); break;
case T_LONG: value.j = typeArrayOop(xobj())->long_at(index); break;
case T_INT: value.i = typeArrayOop(xobj())->int_at(index); break;
case T_SHORT: value.s = typeArrayOop(xobj())->short_at(index); break;
case T_CHAR: value.c = typeArrayOop(xobj())->char_at(index); break;
case T_BYTE: value.b = typeArrayOop(xobj())->byte_at(index); break;
case T_BOOLEAN: value.z = typeArrayOop(xobj())->byte_at(index) & 1; break;
default: ShouldNotReachHere();
}
result = JVMCIENV->create_box(element_type, &value, JVMCI_CHECK_NULL);
}
assert(!result.is_null(), "must have a value");
return JVMCIENV->get_jobject(result);
}
return NULL;;
C2V_END
C2V_VMENTRY_0(jint, arrayBaseOffset, (JNIEnv* env, jobject, jobject kind))
if (kind == NULL) {
JVMCI_THROW_0(NullPointerException);
}
BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0);
return arrayOopDesc::header_size(type) * HeapWordSize;
C2V_END
C2V_VMENTRY_0(jint, arrayIndexScale, (JNIEnv* env, jobject, jobject kind))
if (kind == NULL) {
JVMCI_THROW_0(NullPointerException);
}
BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0);
return type2aelembytes(type);
C2V_END
C2V_VMENTRY_0(jbyte, getByte, (JNIEnv* env, jobject, jobject x, long displacement))
if (x == NULL) {
JVMCI_THROW_0(NullPointerException);
}
Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
return xobj->byte_field(displacement);
}
C2V_VMENTRY_0(jshort, getShort, (JNIEnv* env, jobject, jobject x, long displacement))
if (x == NULL) {
JVMCI_THROW_0(NullPointerException);
}
Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
return xobj->short_field(displacement);
}
C2V_VMENTRY_0(jint, getInt, (JNIEnv* env, jobject, jobject x, long displacement))
if (x == NULL) {
JVMCI_THROW_0(NullPointerException);
}
Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
return xobj->int_field(displacement);
}
C2V_VMENTRY_0(jlong, getLong, (JNIEnv* env, jobject, jobject x, long displacement))
if (x == NULL) {
JVMCI_THROW_0(NullPointerException);
}
Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
return xobj->long_field(displacement);
}
C2V_VMENTRY_NULL(jobject, getObject, (JNIEnv* env, jobject, jobject x, long displacement))
if (x == NULL) {
JVMCI_THROW_0(NullPointerException);
}
Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
oop res = xobj->obj_field(displacement);
JVMCIObject result = JVMCIENV->get_object_constant(res);
return JVMCIENV->get_jobject(result);
}
C2V_VMENTRY(void, deleteGlobalHandle, (JNIEnv* env, jobject, jlong h))
jobject handle = (jobject)(address)h;
if (handle != NULL) {
JVMCI::destroy_global(handle);
}
}
static void requireJVMCINativeLibrary(JVMCI_TRAPS) {
if (!UseJVMCINativeLibrary) {
JVMCI_THROW_MSG(UnsupportedOperationException, "JVMCI shared library is not enabled (requires -XX:+UseJVMCINativeLibrary)");
}
}
static JavaVM* requireNativeLibraryJavaVM(const char* caller, JVMCI_TRAPS) {
JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm();
if (javaVM == NULL) {
JVMCI_THROW_MSG_NULL(IllegalStateException, err_msg("Require JVMCI shared library to be initialized in %s", caller));
}
return javaVM;
}
C2V_VMENTRY_NULL(jlongArray, registerNativeMethods, (JNIEnv* env, jobject, jclass mirror))
requireJVMCINativeLibrary(JVMCI_CHECK_NULL);
requireInHotSpot("registerNativeMethods", JVMCI_CHECK_NULL);
void* shared_library = JVMCIEnv::get_shared_library_handle();
if (shared_library == NULL) {
// Ensure the JVMCI shared library runtime is initialized.
JVMCIEnv __peer_jvmci_env__(thread, false, __FILE__, __LINE__);
JVMCIEnv* peerEnv = &__peer_jvmci_env__;
HandleMark hm;
JVMCIRuntime* runtime = JVMCI::compiler_runtime();
JVMCIObject receiver = runtime->get_HotSpotJVMCIRuntime(peerEnv);
if (peerEnv->has_pending_exception()) {
peerEnv->describe_pending_exception(true);
}
shared_library = JVMCIEnv::get_shared_library_handle();
if (shared_library == NULL) {
JVMCI_THROW_MSG_0(InternalError, "Error initializing JVMCI runtime");
}
}
if (mirror == NULL) {
JVMCI_THROW_0(NullPointerException);
}
Klass* klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror));
if (klass == NULL || !klass->is_instance_klass()) {
JVMCI_THROW_MSG_0(IllegalArgumentException, "clazz is for primitive type");
}
InstanceKlass* iklass = InstanceKlass::cast(klass);
for (int i = 0; i < iklass->methods()->length(); i++) {
methodHandle method(THREAD, iklass->methods()->at(i));
if (method->is_native()) {
// Compute argument size
int args_size = 1 // JNIEnv
+ (method->is_static() ? 1 : 0) // class for static methods
+ method->size_of_parameters(); // actual parameters
// 1) Try JNI short style
stringStream st;
char* pure_name = NativeLookup::pure_jni_name(method);
os::print_jni_name_prefix_on(&st, args_size);
st.print_raw(pure_name);
os::print_jni_name_suffix_on(&st, args_size);
char* jni_name = st.as_string();
address entry = (address) os::dll_lookup(shared_library, jni_name);
if (entry == NULL) {
// 2) Try JNI long style
st.reset();
char* long_name = NativeLookup::long_jni_name(method);
os::print_jni_name_prefix_on(&st, args_size);
st.print_raw(pure_name);
st.print_raw(long_name);
os::print_jni_name_suffix_on(&st, args_size);
char* jni_long_name = st.as_string();
entry = (address) os::dll_lookup(shared_library, jni_long_name);
if (entry == NULL) {
JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [neither %s nor %s exist in %s]",
method->name_and_sig_as_C_string(),
jni_name, jni_long_name, JVMCIEnv::get_shared_library_path()));
}
}
if (method->has_native_function() && entry != method->native_function()) {
JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [cannot re-link from " PTR_FORMAT " to " PTR_FORMAT "]",
method->name_and_sig_as_C_string(), p2i(method->native_function()), p2i(entry)));
}
method->set_native_function(entry, Method::native_bind_event_is_interesting);
log_debug(jni, resolve)("[Dynamic-linking native method %s.%s ... JNI]",
method->method_holder()->external_name(),
method->name()->as_C_string());
}
}
JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm();
JVMCIPrimitiveArray result = JVMCIENV->new_longArray(4, JVMCI_CHECK_NULL);
JVMCIENV->put_long_at(result, 0, (jlong) (address) javaVM);
JVMCIENV->put_long_at(result, 1, (jlong) (address) javaVM->functions->reserved0);
JVMCIENV->put_long_at(result, 2, (jlong) (address) javaVM->functions->reserved1);
JVMCIENV->put_long_at(result, 3, (jlong) (address) javaVM->functions->reserved2);
return (jlongArray) JVMCIENV->get_jobject(result);
}
C2V_VMENTRY_PREFIX(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject c2vm))
if (base_thread == NULL) {
// Called from unattached JVMCI shared library thread
return false;
}
JVMCITraceMark jtm("isCurrentThreadAttached");
assert(base_thread->is_Java_thread(), "just checking");
JavaThread* thread = (JavaThread*) base_thread;
if (thread->jni_environment() == env) {
C2V_BLOCK(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject))
requireJVMCINativeLibrary(JVMCI_CHECK_0);
JavaVM* javaVM = requireNativeLibraryJavaVM("isCurrentThreadAttached", JVMCI_CHECK_0);
JNIEnv* peerEnv;
return javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK;
}
return true;
C2V_END
C2V_VMENTRY_PREFIX(jlong, getCurrentJavaThread, (JNIEnv* env, jobject c2vm))
if (base_thread == NULL) {
// Called from unattached JVMCI shared library thread
return 0L;
}
JVMCITraceMark jtm("getCurrentJavaThread");
assert(base_thread->is_Java_thread(), "just checking");
return (jlong) p2i(base_thread);
C2V_END
C2V_VMENTRY_PREFIX(jboolean, attachCurrentThread, (JNIEnv* env, jobject c2vm, jboolean as_daemon))
if (base_thread == NULL) {
// Called from unattached JVMCI shared library thread
extern struct JavaVM_ main_vm;
JNIEnv* hotspotEnv;
jint res = as_daemon ? main_vm.AttachCurrentThreadAsDaemon((void**)&hotspotEnv, NULL) :
main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL);
if (res != JNI_OK) {
JNI_THROW_("attachCurrentThread", InternalError, err_msg("Trying to attach thread returned %d", res), false);
}
return true;
}
JVMCITraceMark jtm("attachCurrentThread");
assert(base_thread->is_Java_thread(), "just checking");\
JavaThread* thread = (JavaThread*) base_thread;
if (thread->jni_environment() == env) {
// Called from HotSpot
C2V_BLOCK(jboolean, attachCurrentThread, (JNIEnv* env, jobject, jboolean))
requireJVMCINativeLibrary(JVMCI_CHECK_0);
JavaVM* javaVM = requireNativeLibraryJavaVM("attachCurrentThread", JVMCI_CHECK_0);
JavaVMAttachArgs attach_args;
attach_args.version = JNI_VERSION_1_2;
attach_args.name = thread->name();
attach_args.group = NULL;
JNIEnv* peerEnv;
if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK) {
return false;
}
jint res = as_daemon ? javaVM->AttachCurrentThreadAsDaemon((void**)&peerEnv, &attach_args) :
javaVM->AttachCurrentThread((void**)&peerEnv, &attach_args);
if (res == JNI_OK) {
guarantee(peerEnv != NULL, "must be");
return true;
}
JVMCI_THROW_MSG_0(InternalError, err_msg("Error %d while attaching %s", res, attach_args.name));
}
// Called from JVMCI shared library
return false;
C2V_END
C2V_VMENTRY_PREFIX(void, detachCurrentThread, (JNIEnv* env, jobject c2vm))
if (base_thread == NULL) {
// Called from unattached JVMCI shared library thread
JNI_THROW("detachCurrentThread", IllegalStateException, err_msg("Cannot detach non-attached thread"));
}
JVMCITraceMark jtm("detachCurrentThread");
assert(base_thread->is_Java_thread(), "just checking");\
JavaThread* thread = (JavaThread*) base_thread;
if (thread->jni_environment() == env) {
// Called from HotSpot
C2V_BLOCK(void, detachCurrentThread, (JNIEnv* env, jobject))
requireJVMCINativeLibrary(JVMCI_CHECK);
requireInHotSpot("detachCurrentThread", JVMCI_CHECK);
JavaVM* javaVM = requireNativeLibraryJavaVM("detachCurrentThread", JVMCI_CHECK);
JNIEnv* peerEnv;
if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) != JNI_OK) {
JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot detach non-attached thread: %s", thread->name()));
}
jint res = javaVM->DetachCurrentThread();
if (res != JNI_OK) {
JVMCI_THROW_MSG(InternalError, err_msg("Error %d while attaching %s", res, thread->name()));
}
} else {
// Called from attached JVMCI shared library thread
extern struct JavaVM_ main_vm;
jint res = main_vm.DetachCurrentThread();
if (res != JNI_OK) {
JNI_THROW("detachCurrentThread", InternalError, err_msg("Cannot detach non-attached thread"));
}
}
C2V_END
C2V_VMENTRY_0(jlong, translate, (JNIEnv* env, jobject, jobject obj_handle))
requireJVMCINativeLibrary(JVMCI_CHECK_0);
if (obj_handle == NULL) {
return 0L;
}
JVMCIEnv __peer_jvmci_env__(thread, !JVMCIENV->is_hotspot(), __FILE__, __LINE__);
JVMCIEnv* peerEnv = &__peer_jvmci_env__;
JVMCIEnv* thisEnv = JVMCIENV;
JVMCIObject obj = thisEnv->wrap(obj_handle);
JVMCIObject result;
if (thisEnv->isa_HotSpotResolvedJavaMethodImpl(obj)) {
methodHandle method(THREAD, thisEnv->asMethod(obj));
result = peerEnv->get_jvmci_method(method, JVMCI_CHECK_0);
} else if (thisEnv->isa_HotSpotResolvedObjectTypeImpl(obj)) {
Klass* klass = thisEnv->asKlass(obj);
JVMCIKlassHandle klass_handle(THREAD);
klass_handle = klass;
result = peerEnv->get_jvmci_type(klass_handle, JVMCI_CHECK_0);
} else if (thisEnv->isa_HotSpotResolvedPrimitiveType(obj)) {
BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(obj), JVMCI_CHECK_0);
result = peerEnv->get_jvmci_primitive_type(type);
} else if (thisEnv->isa_IndirectHotSpotObjectConstantImpl(obj) ||
thisEnv->isa_DirectHotSpotObjectConstantImpl(obj)) {
Handle constant = thisEnv->asConstant(obj, JVMCI_CHECK_0);
result = peerEnv->get_object_constant(constant());
} else if (thisEnv->isa_HotSpotNmethod(obj)) {
nmethodLocker locker;
nmethod* nm = JVMCIENV->get_nmethod(obj, locker);
if (nm != NULL) {
JVMCINMethodData* data = nm->jvmci_nmethod_data();
if (data != NULL) {
if (peerEnv->is_hotspot()) {
// Only the mirror in the HotSpot heap is accessible
// through JVMCINMethodData
oop nmethod_mirror = data->get_nmethod_mirror(nm, /* phantom_ref */ true);
if (nmethod_mirror != NULL) {
result = HotSpotJVMCI::wrap(nmethod_mirror);
}
}
}
}
if (result.is_null()) {
JVMCIObject methodObject = thisEnv->get_HotSpotNmethod_method(obj);
methodHandle mh(THREAD, thisEnv->asMethod(methodObject));
jboolean isDefault = thisEnv->get_HotSpotNmethod_isDefault(obj);
jlong compileIdSnapshot = thisEnv->get_HotSpotNmethod_compileIdSnapshot(obj);
JVMCIObject name_string = thisEnv->get_InstalledCode_name(obj);
const char* cstring = name_string.is_null() ? NULL : thisEnv->as_utf8_string(name_string);
// Create a new HotSpotNmethod instance in the peer runtime
result = peerEnv->new_HotSpotNmethod(mh, cstring, isDefault, compileIdSnapshot, JVMCI_CHECK_0);
if (nm == NULL) {
// nmethod must have been unloaded
} else {
// Link the new HotSpotNmethod to the nmethod
peerEnv->initialize_installed_code(result, nm, JVMCI_CHECK_0);
// Only HotSpotNmethod instances in the HotSpot heap are tracked directly by the runtime.
if (peerEnv->is_hotspot()) {
JVMCINMethodData* data = nm->jvmci_nmethod_data();
if (data == NULL) {
JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot set HotSpotNmethod mirror for default nmethod");
}
if (data->get_nmethod_mirror(nm, /* phantom_ref */ false) != NULL) {
JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot overwrite existing HotSpotNmethod mirror for nmethod");
}
oop nmethod_mirror = HotSpotJVMCI::resolve(result);
data->set_nmethod_mirror(nm, nmethod_mirror);
}
}
}
} else {
JVMCI_THROW_MSG_0(IllegalArgumentException,
err_msg("Cannot translate object of type: %s", thisEnv->klass_name(obj)));
}
return (jlong) peerEnv->make_global(result).as_jobject();
}
C2V_VMENTRY_NULL(jobject, unhand, (JNIEnv* env, jobject, jlong obj_handle))
requireJVMCINativeLibrary(JVMCI_CHECK_NULL);
if (obj_handle == 0L) {
return NULL;
}
jobject global_handle = (jobject) obj_handle;
JVMCIObject global_handle_obj = JVMCIENV->wrap((jobject) obj_handle);
jobject result = JVMCIENV->make_local(global_handle_obj).as_jobject();
JVMCIENV->destroy_global(global_handle_obj);
return result;
}
C2V_VMENTRY(void, updateHotSpotNmethod, (JNIEnv* env, jobject, jobject code_handle))
JVMCIObject code = JVMCIENV->wrap(code_handle);
// Execute this operation for the side effect of updating the InstalledCode state
nmethodLocker locker;
JVMCIENV->get_nmethod(code, locker);
}
C2V_VMENTRY_NULL(jbyteArray, getCode, (JNIEnv* env, jobject, jobject code_handle))
JVMCIObject code = JVMCIENV->wrap(code_handle);
nmethodLocker locker;
CodeBlob* cb = JVMCIENV->get_code_blob(code, locker);
if (cb == NULL) {
return NULL;
}
int code_size = cb->code_size();
JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL);
JVMCIENV->copy_bytes_from((jbyte*) cb->code_begin(), result, 0, code_size);
return JVMCIENV->get_jbyteArray(result);
}
C2V_VMENTRY_NULL(jobject, asReflectionExecutable, (JNIEnv* env, jobject, jobject jvmci_method))
requireInHotSpot("asReflectionExecutable", JVMCI_CHECK_NULL);
methodHandle m(THREAD, JVMCIENV->asMethod(jvmci_method));
oop executable;
if (m->is_initializer()) {
if (m->is_static_initializer()) {
JVMCI_THROW_MSG_NULL(IllegalArgumentException,
"Cannot create java.lang.reflect.Method for class initializer");
}
executable = Reflection::new_constructor(m, CHECK_NULL);
} else {
executable = Reflection::new_method(m, false, CHECK_NULL);
}
return JNIHandles::make_local(THREAD, executable);
}
C2V_VMENTRY_NULL(jobject, asReflectionField, (JNIEnv* env, jobject, jobject jvmci_type, jint index))
requireInHotSpot("asReflectionField", JVMCI_CHECK_NULL);
Klass* klass = JVMCIENV->asKlass(jvmci_type);
if (!klass->is_instance_klass()) {
JVMCI_THROW_MSG_NULL(IllegalArgumentException,
err_msg("Expected non-primitive type, got %s", klass->external_name()));
}
InstanceKlass* iklass = InstanceKlass::cast(klass);
Array<u2>* fields = iklass->fields();
if (index < 0 ||index > fields->length()) {
JVMCI_THROW_MSG_NULL(IllegalArgumentException,
err_msg("Field index %d out of bounds for %s", index, klass->external_name()));
}
fieldDescriptor fd(iklass, index);
oop reflected = Reflection::new_field(&fd, CHECK_NULL);
return JNIHandles::make_local(env, reflected);
}
C2V_VMENTRY_NULL(jobjectArray, getFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address, jobjectArray current))
FailedSpeculation* head = *((FailedSpeculation**)(address) failed_speculations_address);
int result_length = 0;
for (FailedSpeculation* fs = head; fs != NULL; fs = fs->next()) {
result_length++;
}
int current_length = 0;
JVMCIObjectArray current_array = NULL;
if (current != NULL) {
current_array = JVMCIENV->wrap(current);
current_length = JVMCIENV->get_length(current_array);
if (current_length == result_length) {
// No new failures
return current;
}
}
JVMCIObjectArray result = JVMCIENV->new_byte_array_array(result_length, JVMCI_CHECK_NULL);
int result_index = 0;
for (FailedSpeculation* fs = head; result_index < result_length; fs = fs->next()) {
assert(fs != NULL, "npe");
JVMCIPrimitiveArray entry;
if (result_index < current_length) {
entry = (JVMCIPrimitiveArray) JVMCIENV->get_object_at(current_array, result_index);
} else {
entry = JVMCIENV->new_byteArray(fs->data_len(), JVMCI_CHECK_NULL);
JVMCIENV->copy_bytes_from((jbyte*) fs->data(), entry, 0, fs->data_len());
}
JVMCIENV->put_object_at(result, result_index++, entry);
}
return JVMCIENV->get_jobjectArray(result);
}
C2V_VMENTRY_0(jlong, getFailedSpeculationsAddress, (JNIEnv* env, jobject, jobject jvmci_method))
methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
MethodData* method_data = method->method_data();
if (method_data == NULL) {
ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
method_data = MethodData::allocate(loader_data, method, CHECK_0);
method->set_method_data(method_data);
}
return (jlong) method_data->get_failed_speculations_address();
}
C2V_VMENTRY(void, releaseFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address))
FailedSpeculation::free_failed_speculations((FailedSpeculation**)(address) failed_speculations_address);
}
C2V_VMENTRY_0(jboolean, addFailedSpeculation, (JNIEnv* env, jobject, jlong failed_speculations_address, jbyteArray speculation_obj))
JVMCIPrimitiveArray speculation_handle = JVMCIENV->wrap(speculation_obj);
int speculation_len = JVMCIENV->get_length(speculation_handle);
char* speculation = NEW_RESOURCE_ARRAY(char, speculation_len);
JVMCIENV->copy_bytes_to(speculation_handle, (jbyte*) speculation, 0, speculation_len);
return FailedSpeculation::add_failed_speculation(NULL, (FailedSpeculation**)(address) failed_speculations_address, (address) speculation, speculation_len);
}
C2V_VMENTRY(void, callSystemExit, (JNIEnv* env, jobject, jint status))
JavaValue result(T_VOID);
JavaCallArguments jargs(1);
jargs.push_int(status);
JavaCalls::call_static(&result,
SystemDictionary::System_klass(),
vmSymbols::exit_method_name(),
vmSymbols::int_void_signature(),
&jargs,
CHECK);
}
#define CC (char*) /*cast a literal from (const char*)*/
#define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
#define STRING "Ljava/lang/String;"
#define OBJECT "Ljava/lang/Object;"
#define CLASS "Ljava/lang/Class;"
#define OBJECTCONSTANT "Ljdk/vm/ci/hotspot/HotSpotObjectConstantImpl;"
#define HANDLECONSTANT "Ljdk/vm/ci/hotspot/IndirectHotSpotObjectConstantImpl;"
#define EXECUTABLE "Ljava/lang/reflect/Executable;"
#define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
#define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
#define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
#define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
#define JAVACONSTANT "Ljdk/vm/ci/meta/JavaConstant;"
#define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;"
#define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
#define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
#define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
#define HS_RESOLVED_TYPE "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaType;"
#define HS_RESOLVED_FIELD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaField;"
#define HS_INSTALLED_CODE "Ljdk/vm/ci/hotspot/HotSpotInstalledCode;"
#define HS_NMETHOD "Ljdk/vm/ci/hotspot/HotSpotNmethod;"
#define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
#define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
#define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
#define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
#define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
#define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
#define METASPACE_OBJECT "Ljdk/vm/ci/hotspot/MetaspaceObject;"
#define REFLECTION_EXECUTABLE "Ljava/lang/reflect/Executable;"
#define REFLECTION_FIELD "Ljava/lang/reflect/Field;"
#define METASPACE_METHOD_DATA "J"
JNINativeMethod CompilerToVM::methods[] = {
{CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
{CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
{CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
{CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
{CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
{CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
{CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
{CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)},
{CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
{CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
{CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
{CC "lookupType", CC "(" STRING HS_RESOLVED_KLASS "Z)" HS_RESOLVED_TYPE, FN_PTR(lookupType)},
{CC "getArrayType", CC "(" HS_RESOLVED_TYPE ")" HS_RESOLVED_KLASS, FN_PTR(getArrayType)},
{CC "lookupClass", CC "(" CLASS ")" HS_RESOLVED_TYPE, FN_PTR(lookupClass)},
{CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
{CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
{CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
{CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
{CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
{CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(lookupAppendixInPool)},
{CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
{CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
{CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(resolvePossiblyCachedConstantInPool)},
{CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
{CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
{CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
{CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
{CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)},
{CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
{CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
{CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
{CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
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