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/symbolTable.hpp"
#include "interpreter/linkResolver.hpp"
#include "jvmci/jniAccessMark.inline.hpp"
#include "jvmci/jvmciJavaClasses.hpp"
#include "jvmci/jvmciRuntime.hpp"
#include "memory/resourceArea.hpp"
#include "runtime/jniHandles.inline.hpp"
#include "runtime/fieldDescriptor.inline.hpp"
// ------------------------------------------------------------------
oop HotSpotJVMCI::resolve(JVMCIObject obj) {
return JNIHandles::resolve(obj.as_jobject());
}
arrayOop HotSpotJVMCI::resolve(JVMCIArray obj) {
return (arrayOop) JNIHandles::resolve(obj.as_jobject());
}
objArrayOop HotSpotJVMCI::resolve(JVMCIObjectArray obj) {
return (objArrayOop) JNIHandles::resolve(obj.as_jobject());
}
typeArrayOop HotSpotJVMCI::resolve(JVMCIPrimitiveArray obj) {
return (typeArrayOop) JNIHandles::resolve(obj.as_jobject());
}
JVMCIObject HotSpotJVMCI::wrap(oop obj) {
assert(Thread::current()->is_Java_thread(), "must be");
return JVMCIObject(JNIHandles::make_local(obj), true);
}
/**
* Computes the field offset of a static or instance field.
* It looks up the name and signature symbols without creating new ones;
* all the symbols of these classes need to be already loaded.
*/
void HotSpotJVMCI::compute_offset(int &dest_offset, Klass* klass, const char* name, const char* signature, bool static_field, TRAPS) {
InstanceKlass* ik = InstanceKlass::cast(klass);
Symbol* name_symbol = SymbolTable::probe(name, (int)strlen(name));
Symbol* signature_symbol = SymbolTable::probe(signature, (int)strlen(signature));
if (name_symbol == NULL || signature_symbol == NULL) {
#ifndef PRODUCT
ik->print_on(tty);
#endif
fatal("symbol with name %s and signature %s was not found in symbol table (klass=%s)", name, signature, klass->name()->as_C_string());
}
fieldDescriptor fd;
if (!ik->find_field(name_symbol, signature_symbol, &fd)) {
ResourceMark rm;
fatal("Could not find field %s.%s with signature %s", ik->external_name(), name, signature);
}
guarantee(fd.is_static() == static_field, "static/instance mismatch");
dest_offset = fd.offset();
assert(dest_offset != 0, "must be valid offset");
if (static_field) {
// Must ensure classes for static fields are initialized as the
// accessor itself does not include a class initialization check.
ik->initialize(CHECK);
}
}
#ifndef PRODUCT
static void check_resolve_method(const char* call_type, Klass* resolved_klass, Symbol* method_name, Symbol* method_signature, TRAPS) {
Method* method;
LinkInfo link_info(resolved_klass, method_name, method_signature, NULL, LinkInfo::skip_access_check);
if (strcmp(call_type, "call_static") == 0) {
method = LinkResolver::resolve_static_call_or_null(link_info);
} else if (strcmp(call_type, "call_virtual") == 0) {
method = LinkResolver::resolve_virtual_call_or_null(resolved_klass, link_info);
} else if (strcmp(call_type, "call_special") == 0) {
method = LinkResolver::resolve_special_call_or_null(link_info);
} else {
fatal("Unknown or unsupported call type: %s", call_type);
}
if (method == NULL) {
fatal("Could not resolve %s.%s%s", resolved_klass->external_name(), method_name->as_C_string(), method_signature->as_C_string());
}
}
#endif
jclass JNIJVMCI::_box_classes[T_CONFLICT+1];
jclass JNIJVMCI::_byte_array;
jfieldID JNIJVMCI::_box_fields[T_CONFLICT+1];
jmethodID JNIJVMCI::_box_constructors[T_CONFLICT+1];
jmethodID JNIJVMCI::_Class_getName_method;
jmethodID JNIJVMCI::_HotSpotResolvedJavaMethodImpl_fromMetaspace_method;
jmethodID JNIJVMCI::_HotSpotConstantPool_fromMetaspace_method;
jmethodID JNIJVMCI::_HotSpotResolvedObjectTypeImpl_fromMetaspace_method;
jmethodID JNIJVMCI::_HotSpotResolvedPrimitiveType_fromMetaspace_method;
#define START_CLASS(className, fullClassName) { \
Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::fullClassName(), true, CHECK); \
className::_klass = InstanceKlass::cast(k); \
className::_klass->initialize(CHECK);
#define END_CLASS }
#define FIELD(className, name, signature, static_field) compute_offset(className::_##name##_offset, className::_klass, #name, signature, static_field, CHECK);
#define CHAR_FIELD(className, name) FIELD(className, name, "C", false)
#define INT_FIELD(className, name) FIELD(className, name, "I", false)
#define BOOLEAN_FIELD(className, name) FIELD(className, name, "Z", false)
#define LONG_FIELD(className, name) FIELD(className, name, "J", false)
#define FLOAT_FIELD(className, name) FIELD(className, name, "F", false)
#define OBJECT_FIELD(className, name, signature) FIELD(className, name, signature, false)
#define STATIC_OBJECT_FIELD(className, name, signature) FIELD(className, name, signature, true)
#define STATIC_INT_FIELD(className, name) FIELD(className, name, "I", true)
#define STATIC_BOOLEAN_FIELD(className, name) FIELD(className, name, "Z", true)
#ifdef PRODUCT
#define METHOD(jniCallType, jniGetMethod, hsCallType, returnType, className, methodName, signatureSymbolName, args)
#define CONSTRUCTOR(className, signature)
#else
#define METHOD(jniCallType, jniGetMethod, hsCallType, returnType, className, methodName, signatureSymbolName, args) \
check_resolve_method(#hsCallType, k, vmSymbols::methodName##_name(), vmSymbols::signatureSymbolName(), CHECK);
#define CONSTRUCTOR(className, signature) { \
TempNewSymbol sig = SymbolTable::new_symbol(signature); \
check_resolve_method("call_special", k, vmSymbols::object_initializer_name(), sig, CHECK); \
}
#endif
/**
* Computes and initializes the offsets used by HotSpotJVMCI.
*/
void HotSpotJVMCI::compute_offsets(TRAPS) {
JVMCI_CLASSES_DO(START_CLASS, END_CLASS, CHAR_FIELD, INT_FIELD, BOOLEAN_FIELD, LONG_FIELD, FLOAT_FIELD, OBJECT_FIELD, OBJECT_FIELD, OBJECT_FIELD, STATIC_OBJECT_FIELD, STATIC_OBJECT_FIELD, STATIC_INT_FIELD, STATIC_BOOLEAN_FIELD, METHOD, CONSTRUCTOR)
}
#undef START_CLASS
#undef END_CLASS
#undef METHOD
#undef CONSTRUCTOR
#undef FIELD
#undef CHAR_FIELD
#undef INT_FIELD
#undef BOOLEAN_FIELD
#undef LONG_FIELD
#undef FLOAT_FIELD
#undef OBJECT_FIELD
#undef PRIMARRAY_FIELD
#undef OBJECTARRAY_FIELD
#undef STATIC_FIELD
#undef STATIC_OBJECT_FIELD
#undef STATIC_OBJECTARRAY_FIELD
#undef STATIC_INT_FIELD
#undef STATIC_BOOLEAN_FIELD
#undef EMPTY_CAST
// ------------------------------------------------------------------
#define START_CLASS(className, fullClassName) \
void HotSpotJVMCI::className::initialize(JVMCI_TRAPS) { \
Thread* THREAD = Thread::current(); \
className::klass()->initialize(CHECK); \
} \
bool HotSpotJVMCI::className::is_instance(JVMCIEnv* env, JVMCIObject object) { \
return resolve(object)->is_a(className::klass()); \
} \
void HotSpotJVMCI::className::check(oop obj, const char* field_name, int offset) { \
assert(obj != NULL, "NULL field access of %s.%s", #className, field_name); \
assert(obj->is_a(className::klass()), "wrong class, " #className " expected, found %s", obj->klass()->external_name()); \
assert(offset != 0, "must be valid offset"); \
} \
InstanceKlass* HotSpotJVMCI::className::_klass = NULL;
#define END_CLASS
#define FIELD(className, name, type, accessor, cast) \
type HotSpotJVMCI::className::name(JVMCIEnv* env, oop obj) { className::check(obj, #name, className::_##name##_offset); return cast obj->accessor(className::_##name##_offset); } \
void HotSpotJVMCI::className::set_##name(JVMCIEnv* env, oop obj, type x) { className::check(obj, #name, className::_##name##_offset); obj->accessor##_put(className::_##name##_offset, x); }
#define EMPTY_CAST
#define CHAR_FIELD(className, name) FIELD(className, name, jchar, char_field, EMPTY_CAST)
#define INT_FIELD(className, name) FIELD(className, name, jint, int_field, EMPTY_CAST)
#define BOOLEAN_FIELD(className, name) FIELD(className, name, jboolean, bool_field, EMPTY_CAST)
#define LONG_FIELD(className, name) FIELD(className, name, jlong, long_field, EMPTY_CAST)
#define FLOAT_FIELD(className, name) FIELD(className, name, jfloat, float_field, EMPTY_CAST)
#define OBJECT_FIELD(className, name, signature) FIELD(className, name, oop, obj_field, EMPTY_CAST)
#define OBJECTARRAY_FIELD(className, name, signature) FIELD(className, name, objArrayOop, obj_field, (objArrayOop))
#define PRIMARRAY_FIELD(className, name, signature) FIELD(className, name, typeArrayOop, obj_field, (typeArrayOop))
#define STATIC_OBJECT_FIELD(className, name, signature) STATIC_OOPISH_FIELD(className, name, oop)
#define STATIC_OBJECTARRAY_FIELD(className, name, signature) STATIC_OOPISH_FIELD(className, name, objArrayOop)
#define STATIC_OOPISH_FIELD(className, name, type) \
type HotSpotJVMCI::className::name(JVMCIEnv* env) { \
assert(className::klass() != NULL && className::klass()->is_linked(), "Class not yet linked: " #className); \
InstanceKlass* ik = className::klass(); \
oop base = ik->static_field_base_raw(); \
oop result = HeapAccess<>::oop_load_at(base, className::_##name##_offset); \
return type(result); \
} \
void HotSpotJVMCI::className::set_##name(JVMCIEnv* env, type x) { \
assert(className::klass() != NULL && className::klass()->is_linked(), "Class not yet linked: " #className); \
assert(className::klass() != NULL, "Class not yet loaded: " #className); \
InstanceKlass* ik = className::klass(); \
oop base = ik->static_field_base_raw(); \
HeapAccess<>::oop_store_at(base, className::_##name##_offset, x); \
}
#define STATIC_PRIMITIVE_FIELD(className, name, jtypename) \
jtypename HotSpotJVMCI::className::get_##name(JVMCIEnv* env) { \
assert(className::klass() != NULL && className::klass()->is_linked(), "Class not yet linked: " #className); \
InstanceKlass* ik = className::klass(); \
oop base = ik->static_field_base_raw(); \
return HeapAccess<>::load_at(base, className::_##name##_offset); \
} \
void HotSpotJVMCI::className::set_##name(JVMCIEnv* env, jtypename x) { \
assert(className::klass() != NULL && className::klass()->is_linked(), "Class not yet linked: " #className); \
InstanceKlass* ik = className::klass(); \
oop base = ik->static_field_base_raw(); \
HeapAccess<>::store_at(base, _##name##_offset, x); \
}
#define STATIC_INT_FIELD(className, name) STATIC_PRIMITIVE_FIELD(className, name, jint)
#define STATIC_BOOLEAN_FIELD(className, name) STATIC_PRIMITIVE_FIELD(className, name, jboolean)
#define METHOD(jniCallType, jniGetMethod, hsCallType, returnType, className, methodName, signatureSymbolName, args)
#define CONSTRUCTOR(className, signature)
/**
* Generates the method and field definitions for the classes in HotSpotJVMCI. For example:
*
* void HotSpotJVMCI::Architecture::initialize(JVMCIEnv* env) { ... }
* bool HotSpotJVMCI::Architecture::is_instance(JVMCIEnv* env, JVMCIObject object) { ... }
* void HotSpotJVMCI::Architecture::check(oop obj, const char* field_name, int offset) { ... }
* oop HotSpotJVMCI::Architecture::wordKind(JVMCIEnv* env, oop obj) { ... }
* void HotSpotJVMCI::Architecture::set_wordKind(JVMCIEnv* env, oop obj, oop x) { ... }
*
* InstanceKlass *HotSpotJVMCI::Architecture::_klass = NULL;
*/
JVMCI_CLASSES_DO(START_CLASS, END_CLASS, CHAR_FIELD, INT_FIELD, BOOLEAN_FIELD, LONG_FIELD, FLOAT_FIELD, OBJECT_FIELD, PRIMARRAY_FIELD, OBJECTARRAY_FIELD, STATIC_OBJECT_FIELD, STATIC_OBJECTARRAY_FIELD, STATIC_INT_FIELD, STATIC_BOOLEAN_FIELD, METHOD, CONSTRUCTOR)
#undef START_CLASS
#undef END_CLASS
#undef METHOD
#undef CONSTRUCTOR
#undef FIELD
#undef CHAR_FIELD
#undef INT_FIELD
#undef BOOLEAN_FIELD
#undef LONG_FIELD
#undef FLOAT_FIELD
#undef OBJECT_FIELD
#undef PRIMARRAY_FIELD
#undef OBJECTARRAY_FIELD
#undef STATIC_OOPISH_FIELD
#undef STATIC_OBJECT_FIELD
#undef STATIC_OBJECTARRAY_FIELD
#undef STATIC_INT_FIELD
#undef STATIC_BOOLEAN_FIELD
#undef STATIC_PRIMITIVE_FIELD
#undef EMPTY_CAST
/**
* Initializes the JNI id of a field. As per the JNI specification,
* this ensures the declaring class is initialized.
*/
void JNIJVMCI::initialize_field_id(JNIEnv* env, jfieldID &fieldid, jclass clazz, const char* class_name, const char* name, const char* signature, bool static_field) {
if (JVMCILibDumpJNIConfig != NULL) {
fileStream* st = JVMCIGlobals::get_jni_config_file();
st->print_cr("field %s %s %s", class_name, name, signature);
return;
}
if (env->ExceptionCheck()) {
return;
}
if (static_field) {
// Class initialization barrier
fieldid = env->GetStaticFieldID(clazz, name, signature);
} else {
// Class initialization barrier
fieldid = env->GetFieldID(clazz, name, signature);
}
if (env->ExceptionCheck()) {
env->ExceptionDescribe();
env->ExceptionClear();
ResourceMark rm;
Thread* THREAD = Thread::current();
fatal("Could not find field %s.%s with signature %s", class_name, name, signature);
}
}
#define START_CLASS(className, fullClassName) { \
current_class_name = vmSymbols::fullClassName()->as_C_string(); \
if (JVMCILibDumpJNIConfig != NULL) { \
fileStream* st = JVMCIGlobals::get_jni_config_file(); \
st->print_cr("class %s", current_class_name); \
} else { \
jclass k = env->FindClass(current_class_name); \
JVMCI_EXCEPTION_CHECK(env, "FindClass(%s)", current_class_name); \
assert(k != NULL, #fullClassName " not initialized"); \
className::_class = (jclass) env->NewGlobalRef(k); \
}
#define END_CLASS current_class_name = NULL; }
#define FIELD(className, name, signature, static_field) initialize_field_id(env, className::_##name##_field_id, className::_class, current_class_name, #name, signature, static_field);
#define CHAR_FIELD(className, name) FIELD(className, name, "C", false)
#define INT_FIELD(className, name) FIELD(className, name, "I", false)
#define BOOLEAN_FIELD(className, name) FIELD(className, name, "Z", false)
#define LONG_FIELD(className, name) FIELD(className, name, "J", false)
#define FLOAT_FIELD(className, name) FIELD(className, name, "F", false)
#define OBJECT_FIELD(className, name, signature) FIELD(className, name, signature, false)
#define STATIC_OBJECT_FIELD(className, name, signature) FIELD(className, name, signature, true)
#define STATIC_INT_FIELD(className, name) FIELD(className, name, "I", true)
#define STATIC_BOOLEAN_FIELD(className, name) FIELD(className, name, "Z", true)
#define GET_JNI_METHOD(jniGetMethod, dst, clazz, methodName, signature) \
if (JVMCILibDumpJNIConfig != NULL) { \
fileStream* st = JVMCIGlobals::get_jni_config_file(); \
st->print_cr("method %s %s %s", current_class_name, methodName, signature); \
} else { \
dst = env->jniGetMethod(clazz, methodName, signature); \
JVMCI_EXCEPTION_CHECK(env, #jniGetMethod "(%s.%s%s)", current_class_name, methodName, signature); \
assert(dst != NULL, "uninitialized"); \
}
#define GET_JNI_CONSTRUCTOR(clazz, signature) \
GET_JNI_METHOD(GetMethodID, JNIJVMCI::clazz::_constructor, clazz::_class, "<init>", signature) \
#define METHOD(jniCallType, jniGetMethod, hsCallType, returnType, className, methodName, signatureSymbolName, args) \
GET_JNI_METHOD(jniGetMethod, \
className::_##methodName##_method, \
className::clazz(), \
vmSymbols::methodName##_name()->as_C_string(), \
vmSymbols::signatureSymbolName()->as_C_string())
#define CONSTRUCTOR(className, signature) \
GET_JNI_CONSTRUCTOR(className, signature)
extern "C" {
void JNICALL JVM_RegisterJVMCINatives(JNIEnv *env, jclass compilerToVMClass);
jobject JNICALL JVM_GetJVMCIRuntime(JNIEnv *env, jclass c);
}
// Dumps symbols for public <init>() and <init>(String) methods of
// non-abstract Throwable subtypes known by the VM. This is to
// support the use of reflection in jdk.vm.ci.hotspot.TranslatedException.create().
class ThrowableInitDumper : public SymbolClosure {
private:
fileStream* _st;
public:
ThrowableInitDumper(fileStream* st) { _st = st; }
void do_symbol(Symbol** p) {
Thread* THREAD = Thread::current();
Symbol* name = *p;
if (name == NULL) {
return;
}
Klass* k = SystemDictionary::resolve_or_null(name, CHECK_EXIT);
if (k != NULL && k->is_instance_klass()) {
InstanceKlass* iklass = InstanceKlass::cast(k);
if (iklass->is_subclass_of(SystemDictionary::Throwable_klass()) && iklass->is_public() && !iklass->is_abstract()) {
const char* class_name = NULL;
Array<Method*>* methods = iklass->methods();
for (int i = 0; i < methods->length(); i++) {
Method* m = methods->at(i);
if (m->name() == vmSymbols::object_initializer_name() &&
m->is_public() &&
(m->signature() == vmSymbols::void_method_signature() || m->signature() == vmSymbols::string_void_signature())) {
if (class_name == NULL) {
class_name = name->as_C_string();
_st->print_cr("class %s", class_name);
}
_st->print_cr("method %s %s %s", class_name, m->name()->as_C_string(), m->signature()->as_C_string());
}
}
}
}
}
};
#define IN_CLASS(fullClassName) current_class_name = vmSymbols::fullClassName()->as_C_string()
/**
* Initializes the JNI method and field ids used in JNIJVMCI.
*/
void JNIJVMCI::initialize_ids(JNIEnv* env) {
ResourceMark rm;
const char* current_class_name = NULL;
JVMCI_CLASSES_DO(START_CLASS, END_CLASS, CHAR_FIELD, INT_FIELD, BOOLEAN_FIELD, LONG_FIELD, FLOAT_FIELD, OBJECT_FIELD, OBJECT_FIELD, OBJECT_FIELD, STATIC_OBJECT_FIELD, STATIC_OBJECT_FIELD, STATIC_INT_FIELD, STATIC_BOOLEAN_FIELD, METHOD, CONSTRUCTOR)
IN_CLASS(java_lang_Class);
GET_JNI_METHOD(GetMethodID, _Class_getName_method, Class::_class, "getName", "()Ljava/lang/String;");
IN_CLASS(jdk_vm_ci_hotspot_HotSpotResolvedPrimitiveType);
GET_JNI_METHOD(GetStaticMethodID, _HotSpotResolvedPrimitiveType_fromMetaspace_method, HotSpotResolvedPrimitiveType::_class,
vmSymbols::fromMetaspace_name()->as_C_string(),
vmSymbols::primitive_fromMetaspace_signature()->as_C_string());
IN_CLASS(jdk_vm_ci_hotspot_HotSpotResolvedObjectTypeImpl);
GET_JNI_METHOD(GetStaticMethodID, _HotSpotResolvedObjectTypeImpl_fromMetaspace_method, HotSpotResolvedObjectTypeImpl::_class,
vmSymbols::fromMetaspace_name()->as_C_string(),
vmSymbols::klass_fromMetaspace_signature()->as_C_string());
IN_CLASS(jdk_vm_ci_hotspot_HotSpotConstantPool);
GET_JNI_METHOD(GetStaticMethodID, _HotSpotConstantPool_fromMetaspace_method, HotSpotConstantPool::_class,
vmSymbols::fromMetaspace_name()->as_C_string(),
vmSymbols::constantPool_fromMetaspace_signature()->as_C_string());
IN_CLASS(jdk_vm_ci_hotspot_HotSpotResolvedJavaMethodImpl);
GET_JNI_METHOD(GetStaticMethodID, _HotSpotResolvedJavaMethodImpl_fromMetaspace_method, HotSpotResolvedJavaMethodImpl::_class,
vmSymbols::fromMetaspace_name()->as_C_string(),
vmSymbols::method_fromMetaspace_signature()->as_C_string());
#define BOX_CLASSES(generate) \
generate(Boolean, T_BOOLEAN, Z) \
generate(Byte, T_BYTE, B) \
generate(Character, T_CHAR, C) \
generate(Short, T_SHORT, S) \
generate(Integer, T_INT, I) \
generate(Long, T_LONG, J) \
generate(Float, T_FLOAT, F) \
generate(Double, T_DOUBLE, D) \
#define DO_BOX_CLASS(klass, basicType, type) \
current_class_name = "java/lang/" #klass; \
if (JVMCILibDumpJNIConfig == NULL) { \
_box_classes[basicType] = env->FindClass("java/lang/" #klass); \
JVMCI_EXCEPTION_CHECK(env, "FindClass(%s)", #klass); \
_box_classes[basicType] = (jclass) env->NewGlobalRef(_box_classes[basicType]); \
assert(_box_classes[basicType] != NULL, "uninitialized"); \
_box_fields[basicType] = env->GetFieldID(_box_classes[basicType], "value", #type); \
JVMCI_EXCEPTION_CHECK(env, "GetFieldID(%s, value, %s)", #klass, #type); \
GET_JNI_METHOD(GetMethodID, _box_constructors[basicType], _box_classes[basicType], "<init>", "(" #type ")V"); \
} else { \
fileStream* st = JVMCIGlobals::get_jni_config_file(); \
st->print_cr("field %s value %s", current_class_name, #type); \
st->print_cr("method %s <init> (%s)V", current_class_name, #type); \
}
BOX_CLASSES(DO_BOX_CLASS);
if (JVMCILibDumpJNIConfig == NULL) {
_byte_array = env->FindClass("[B");
JVMCI_EXCEPTION_CHECK(env, "FindClass([B)");
_byte_array = (jclass) env->NewGlobalRef(_byte_array);
assert(_byte_array != NULL, "uninitialized");
} else {
fileStream* st = JVMCIGlobals::get_jni_config_file();
st->print_cr("class [B");
}
#define DUMP_ALL_NATIVE_METHODS(class_symbol) do { \
current_class_name = class_symbol->as_C_string(); \
Klass* k = SystemDictionary::resolve_or_fail(class_symbol, true, CHECK_EXIT); \
InstanceKlass* iklass = InstanceKlass::cast(k); \
Array<Method*>* methods = iklass->methods(); \
for (int i = 0; i < methods->length(); i++) { \
Method* m = methods->at(i); \
if (m->is_native()) { \
st->print_cr("method %s %s %s", current_class_name, m->name()->as_C_string(), m->signature()->as_C_string()); \
} \
} \
} while(0)
if (JVMCILibDumpJNIConfig != NULL) {
Thread* THREAD = Thread::current();
fileStream* st = JVMCIGlobals::get_jni_config_file();
DUMP_ALL_NATIVE_METHODS(vmSymbols::jdk_vm_ci_hotspot_CompilerToVM());
ThrowableInitDumper dumper(st);
vmSymbols::symbols_do(&dumper);
st->flush();
tty->print_cr("Dumped JVMCI shared library JNI configuration to %s", JVMCILibDumpJNIConfig);
vm_exit(0);
}
#undef DUMP_ALL_NATIVE_METHODS
#undef DO_BOX_CLASS
#undef BOX_CLASSES
#undef IN_CLASS
#define CC (char*) /*cast a literal from (const char*)*/
#define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(f))
if (env != JavaThread::current()->jni_environment()) {
jclass clazz = env->FindClass("jdk/vm/ci/hotspot/CompilerToVM");
if (env->ExceptionCheck()) {
env->ExceptionDescribe();
guarantee(false, "Could not find class jdk/vm/ci/hotspot/CompilerToVM");
}
JNINativeMethod CompilerToVM_native_methods[] = {
{ CC"registerNatives", CC"()V", FN_PTR(JVM_RegisterJVMCINatives) },
};
env->RegisterNatives(clazz, CompilerToVM_native_methods, 1);
if (env->ExceptionCheck()) {
env->ExceptionDescribe();
guarantee(false, "");
}
JNINativeMethod JVMCI_native_methods[] = {
{ CC"initializeRuntime", CC"()Ljdk/vm/ci/runtime/JVMCIRuntime;", FN_PTR(JVM_GetJVMCIRuntime) },
};
env->RegisterNatives(JVMCI::clazz(), JVMCI_native_methods, 1);
if (env->ExceptionCheck()) {
env->ExceptionDescribe();
guarantee(false, "");
}
}
}
#undef METHOD
#undef CONSTRUCTOR
#undef FIELD2
#define EMPTY0
#define EMPTY1(x)
#define EMPTY2(x,y)
#define FIELD3(className, name, sig) FIELD2(className, name)
#define FIELD2(className, name) \
jfieldID JNIJVMCI::className::_##name##_field_id = 0; \
int HotSpotJVMCI::className::_##name##_offset = 0;
#define METHOD(jniCallType, jniGetMethod, hsCallType, returnType, className, methodName, signatureSymbolName, args)
#define CONSTRUCTOR(className, signature)
// Generates the definitions of static fields used by the accessors. For example:
// jfieldID JNIJVMCI::Architecture::_wordKind_field_id = 0;
// jfieldID HotSpotJVMCI::Architecture::_wordKind_offset = 0;
JVMCI_CLASSES_DO(EMPTY2, EMPTY0, FIELD2, FIELD2, FIELD2, FIELD2, FIELD2, FIELD3, FIELD3, FIELD3, FIELD3, FIELD3, FIELD2, FIELD2, METHOD, CONSTRUCTOR)
#undef START_CLASS
#undef END_CLASS
#undef METHOD
#undef CONSTRUCTOR
#undef FIELD
#undef CHAR_FIELD
#undef INT_FIELD
#undef BOOLEAN_FIELD
#undef LONG_FIELD
#undef FLOAT_FIELD
#undef OBJECT_FIELD
#undef PRIMARRAY_FIELD
#undef OBJECTARRAY_FIELD
#undef STATIC_FIELD
#undef STATIC_OBJECT_FIELD
#undef STATIC_OBJECTARRAY_FIELD
#undef STATIC_INT_FIELD
#undef STATIC_BOOLEAN_FIELD
#undef EMPTY_CAST
#define START_CLASS(className, fullClassName) \
void JNIJVMCI::className::initialize(JVMCI_TRAPS) { \
/* should already be initialized */ \
} \
bool JNIJVMCI::className::is_instance(JVMCIEnv* jvmciEnv, JVMCIObject object) { \
JNIAccessMark jni(jvmciEnv); \
return jni()->IsInstanceOf(object.as_jobject(), className::clazz()) != 0; \
} \
void JNIJVMCI::className::check(JVMCIEnv* jvmciEnv, JVMCIObject obj, const char* field_name, jfieldID offset) { \
assert(obj.is_non_null(), "NULL field access of %s.%s", #className, field_name); \
assert(jvmciEnv->isa_##className(obj), "wrong class, " #className " expected, found %s", jvmciEnv->klass_name(obj)); \
assert(offset != 0, "must be valid offset"); \
} \
jclass JNIJVMCI::className::_class = NULL;
#define END_CLASS
#define FIELD(className, name, type, accessor, cast) \
type JNIJVMCI::className::get_##name(JVMCIEnv* jvmciEnv, JVMCIObject obj) { \
className::check(jvmciEnv, obj, #name, className::_##name##_field_id); \
JNIAccessMark jni(jvmciEnv); \
return cast jni()->Get##accessor##Field(resolve_handle(obj), className::_##name##_field_id); \
} \
void JNIJVMCI::className::set_##name(JVMCIEnv* jvmciEnv, JVMCIObject obj, type x) { \
className::check(jvmciEnv, obj, #name, className::_##name##_field_id); \
JNIAccessMark jni(jvmciEnv); \
jni()->Set##accessor##Field(resolve_handle(obj), className::_##name##_field_id, x); \
} \
#define EMPTY_CAST
#define CHAR_FIELD(className, name) FIELD(className, name, jchar, Char, EMPTY_CAST)
#define INT_FIELD(className, name) FIELD(className, name, jint, Int, EMPTY_CAST)
#define BOOLEAN_FIELD(className, name) FIELD(className, name, jboolean, Boolean, EMPTY_CAST)
#define LONG_FIELD(className, name) FIELD(className, name, jlong, Long, EMPTY_CAST)
#define FLOAT_FIELD(className, name) FIELD(className, name, jfloat, Float, EMPTY_CAST)
#define OBJECT_FIELD(className, name, signature) OOPISH_FIELD(className, name, JVMCIObject, Object, EMPTY_CAST)
#define OBJECTARRAY_FIELD(className, name, signature) OOPISH_FIELD(className, name, JVMCIObjectArray, Object, (JVMCIObjectArray))
#define PRIMARRAY_FIELD(className, name, signature) OOPISH_FIELD(className, name, JVMCIPrimitiveArray, Object, (JVMCIPrimitiveArray))
#define STATIC_OBJECT_FIELD(className, name, signature) STATIC_OOPISH_FIELD(className, name, JVMCIObject, Object, (JVMCIObject))
#define STATIC_OBJECTARRAY_FIELD(className, name, signature) STATIC_OOPISH_FIELD(className, name, JVMCIObjectArray, Object, (JVMCIObjectArray))
#define OOPISH_FIELD(className, name, type, accessor, cast) \
type JNIJVMCI::className::get_##name(JVMCIEnv* jvmciEnv, JVMCIObject obj) { \
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