| /* |
| * Copyright (c) 2011, 2013, 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. |
| */ |
| |
| #ifndef SHARE_VM_JVMCI_JVMCI_COMPILER_TO_VM_HPP |
| #define SHARE_VM_JVMCI_JVMCI_COMPILER_TO_VM_HPP |
| |
| #include "prims/jni.h" |
| #include "runtime/javaCalls.hpp" |
| #include "jvmci/jvmciJavaClasses.hpp" |
| |
| class CompilerToVM { |
| public: |
| /** |
| * Tag bits used by lookupKlassInPool to distinguish the types in Java. |
| */ |
| enum Tags { |
| KLASS_TAG = 0x0, |
| SYMBOL_TAG = 0x1 |
| }; |
| |
| // FIXME This is only temporary until the GC code is changed. |
| static bool _supports_inline_contig_alloc; |
| static HeapWord** _heap_end_addr; |
| static HeapWord** _heap_top_addr; |
| |
| static intptr_t tag_pointer(Klass* klass) { |
| return ((intptr_t) klass) | KLASS_TAG; |
| } |
| |
| static intptr_t tag_pointer(Symbol* symbol) { |
| return ((intptr_t) symbol) | SYMBOL_TAG; |
| } |
| |
| static JNINativeMethod methods[]; |
| static int methods_count(); |
| |
| static inline Method* asMethod(jobject jvmci_method) { |
| return (Method*) (address) HotSpotResolvedJavaMethodImpl::metaspaceMethod(jvmci_method); |
| } |
| |
| static inline Method* asMethod(Handle jvmci_method) { |
| return (Method*) (address) HotSpotResolvedJavaMethodImpl::metaspaceMethod(jvmci_method); |
| } |
| |
| static inline Method* asMethod(oop jvmci_method) { |
| return (Method*) (address) HotSpotResolvedJavaMethodImpl::metaspaceMethod(jvmci_method); |
| } |
| |
| static inline ConstantPool* asConstantPool(jobject jvmci_constant_pool) { |
| return (ConstantPool*) (address) HotSpotConstantPool::metaspaceConstantPool(jvmci_constant_pool); |
| } |
| |
| static inline ConstantPool* asConstantPool(Handle jvmci_constant_pool) { |
| return (ConstantPool*) (address) HotSpotConstantPool::metaspaceConstantPool(jvmci_constant_pool); |
| } |
| |
| static inline ConstantPool* asConstantPool(oop jvmci_constant_pool) { |
| return (ConstantPool*) (address) HotSpotConstantPool::metaspaceConstantPool(jvmci_constant_pool); |
| } |
| |
| static inline Klass* asKlass(jobject jvmci_type) { |
| return java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(jvmci_type)); |
| } |
| |
| static inline Klass* asKlass(Handle jvmci_type) { |
| return java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(jvmci_type)); |
| } |
| |
| static inline Klass* asKlass(oop jvmci_type) { |
| return java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(jvmci_type)); |
| } |
| |
| static inline MethodData* asMethodData(jlong metaspaceMethodData) { |
| return (MethodData*) (address) metaspaceMethodData; |
| } |
| |
| static oop get_jvmci_method(methodHandle method, TRAPS); |
| |
| static oop get_jvmci_type(KlassHandle klass, TRAPS); |
| }; |
| |
| class JavaArgumentUnboxer : public SignatureIterator { |
| protected: |
| JavaCallArguments* _jca; |
| arrayOop _args; |
| int _index; |
| |
| oop 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 arg; |
| } |
| |
| public: |
| JavaArgumentUnboxer(Symbol* signature, JavaCallArguments* jca, arrayOop args, bool is_static) : SignatureIterator(signature) { |
| this->_return_type = T_ILLEGAL; |
| _jca = jca; |
| _index = 0; |
| _args = args; |
| if (!is_static) { |
| _jca->push_oop(next_arg(T_OBJECT)); |
| } |
| iterate(); |
| assert(_index == args->length(), "arg count mismatch with signature"); |
| } |
| |
| inline void do_bool() { if (!is_return_type()) _jca->push_int(next_arg(T_BOOLEAN)->bool_field(java_lang_boxing_object::value_offset_in_bytes(T_BOOLEAN))); } |
| inline void do_char() { if (!is_return_type()) _jca->push_int(next_arg(T_CHAR)->char_field(java_lang_boxing_object::value_offset_in_bytes(T_CHAR))); } |
| inline void do_short() { if (!is_return_type()) _jca->push_int(next_arg(T_SHORT)->short_field(java_lang_boxing_object::value_offset_in_bytes(T_SHORT))); } |
| inline void do_byte() { if (!is_return_type()) _jca->push_int(next_arg(T_BYTE)->byte_field(java_lang_boxing_object::value_offset_in_bytes(T_BYTE))); } |
| inline void do_int() { if (!is_return_type()) _jca->push_int(next_arg(T_INT)->int_field(java_lang_boxing_object::value_offset_in_bytes(T_INT))); } |
| |
| inline void do_long() { if (!is_return_type()) _jca->push_long(next_arg(T_LONG)->long_field(java_lang_boxing_object::value_offset_in_bytes(T_LONG))); } |
| inline void do_float() { if (!is_return_type()) _jca->push_float(next_arg(T_FLOAT)->float_field(java_lang_boxing_object::value_offset_in_bytes(T_FLOAT))); } |
| inline void do_double() { if (!is_return_type()) _jca->push_double(next_arg(T_DOUBLE)->double_field(java_lang_boxing_object::value_offset_in_bytes(T_DOUBLE))); } |
| |
| inline void do_object() { _jca->push_oop(next_arg(T_OBJECT)); } |
| inline void do_object(int begin, int end) { if (!is_return_type()) _jca->push_oop(next_arg(T_OBJECT)); } |
| inline void do_array(int begin, int end) { if (!is_return_type()) _jca->push_oop(next_arg(T_OBJECT)); } |
| inline void do_void() { } |
| }; |
| |
| #endif // SHARE_VM_JVMCI_JVMCI_COMPILER_TO_VM_HPP |