220 lines
8.0 KiB
C++
220 lines
8.0 KiB
C++
/*
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* Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#ifndef SHARE_VM_JVMCI_JVMCI_COMPILER_TO_VM_HPP
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#define SHARE_VM_JVMCI_JVMCI_COMPILER_TO_VM_HPP
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#include "jni.h"
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#include "runtime/javaCalls.hpp"
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#include "jvmci/jvmciJavaClasses.hpp"
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class CompilerToVM {
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public:
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class Data {
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friend class JVMCIVMStructs;
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private:
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static int Klass_vtable_start_offset;
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static int Klass_vtable_length_offset;
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static int Method_extra_stack_entries;
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static address SharedRuntime_ic_miss_stub;
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static address SharedRuntime_handle_wrong_method_stub;
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static address SharedRuntime_deopt_blob_unpack;
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static address SharedRuntime_deopt_blob_uncommon_trap;
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static size_t ThreadLocalAllocBuffer_alignment_reserve;
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static CollectedHeap* Universe_collectedHeap;
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static int Universe_base_vtable_size;
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static address Universe_narrow_oop_base;
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static int Universe_narrow_oop_shift;
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static address Universe_narrow_klass_base;
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static int Universe_narrow_klass_shift;
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static uintptr_t Universe_verify_oop_mask;
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static uintptr_t Universe_verify_oop_bits;
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static void* Universe_non_oop_bits;
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static bool _supports_inline_contig_alloc;
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static HeapWord** _heap_end_addr;
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static HeapWord* volatile* _heap_top_addr;
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static int _max_oop_map_stack_offset;
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static jbyte* cardtable_start_address;
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static int cardtable_shift;
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static int vm_page_size;
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static int sizeof_vtableEntry;
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static int sizeof_ExceptionTableElement;
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static int sizeof_LocalVariableTableElement;
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static int sizeof_ConstantPool;
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static int sizeof_SymbolPointer;
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static int sizeof_narrowKlass;
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static int sizeof_arrayOopDesc;
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static int sizeof_BasicLock;
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static address dsin;
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static address dcos;
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static address dtan;
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static address dexp;
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static address dlog;
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static address dlog10;
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static address dpow;
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static address symbol_init;
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static address symbol_clinit;
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public:
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static void initialize(TRAPS);
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static int max_oop_map_stack_offset() {
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assert(_max_oop_map_stack_offset > 0, "must be initialized");
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return Data::_max_oop_map_stack_offset;
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}
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};
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static bool cstring_equals(const char* const& s0, const char* const& s1) {
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return strcmp(s0, s1) == 0;
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}
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static unsigned cstring_hash(const char* const& s) {
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int h = 0;
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const char* p = s;
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while (*p != '\0') {
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h = 31 * h + *p;
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p++;
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}
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return h;
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}
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static JNINativeMethod methods[];
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static objArrayHandle initialize_intrinsics(TRAPS);
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public:
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static int methods_count();
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static inline Method* asMethod(jobject jvmci_method) {
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return (Method*) (address) HotSpotResolvedJavaMethodImpl::metaspaceMethod(jvmci_method);
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}
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static inline Method* asMethod(Handle jvmci_method) {
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return (Method*) (address) HotSpotResolvedJavaMethodImpl::metaspaceMethod(jvmci_method);
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}
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static inline Method* asMethod(oop jvmci_method) {
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return (Method*) (address) HotSpotResolvedJavaMethodImpl::metaspaceMethod(jvmci_method);
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}
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static inline ConstantPool* asConstantPool(jobject jvmci_constant_pool) {
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return (ConstantPool*) (address) HotSpotConstantPool::metaspaceConstantPool(jvmci_constant_pool);
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}
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static inline ConstantPool* asConstantPool(Handle jvmci_constant_pool) {
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return (ConstantPool*) (address) HotSpotConstantPool::metaspaceConstantPool(jvmci_constant_pool);
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}
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static inline ConstantPool* asConstantPool(oop jvmci_constant_pool) {
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return (ConstantPool*) (address) HotSpotConstantPool::metaspaceConstantPool(jvmci_constant_pool);
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}
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static inline Klass* asKlass(jobject jvmci_type) {
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return java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(jvmci_type));
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}
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static inline Klass* asKlass(Handle jvmci_type) {
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return java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(jvmci_type));
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}
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static inline Klass* asKlass(oop jvmci_type) {
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return java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(jvmci_type));
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}
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static inline Klass* asKlass(jlong metaspaceKlass) {
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return (Klass*) (address) metaspaceKlass;
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}
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static inline MethodData* asMethodData(jlong metaspaceMethodData) {
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return (MethodData*) (address) metaspaceMethodData;
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}
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static oop get_jvmci_method(const methodHandle& method, TRAPS);
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static oop get_jvmci_type(Klass* klass, TRAPS);
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};
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class JavaArgumentUnboxer : public SignatureIterator {
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protected:
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JavaCallArguments* _jca;
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arrayOop _args;
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int _index;
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Handle next_arg(BasicType expectedType) {
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assert(_index < _args->length(), "out of bounds");
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oop arg=((objArrayOop) (_args))->obj_at(_index++);
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assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch");
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return Handle(Thread::current(), arg);
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}
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public:
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JavaArgumentUnboxer(Symbol* signature, JavaCallArguments* jca, arrayOop args, bool is_static) : SignatureIterator(signature) {
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this->_return_type = T_ILLEGAL;
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_jca = jca;
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_index = 0;
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_args = args;
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if (!is_static) {
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_jca->push_oop(next_arg(T_OBJECT));
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}
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iterate();
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assert(_index == args->length(), "arg count mismatch with signature");
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}
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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))); }
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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))); }
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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))); }
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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))); }
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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))); }
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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))); }
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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))); }
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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))); }
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inline void do_object() { _jca->push_oop(next_arg(T_OBJECT)); }
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inline void do_object(int begin, int end) { if (!is_return_type()) _jca->push_oop(next_arg(T_OBJECT)); }
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inline void do_array(int begin, int end) { if (!is_return_type()) _jca->push_oop(next_arg(T_OBJECT)); }
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inline void do_void() { }
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};
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class JNIHandleMark : public StackObj {
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public:
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JNIHandleMark() { push_jni_handle_block(); }
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~JNIHandleMark() { pop_jni_handle_block(); }
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private:
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static void push_jni_handle_block();
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static void pop_jni_handle_block();
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};
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#endif // SHARE_VM_JVMCI_JVMCI_COMPILER_TO_VM_HPP
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