/* * 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. */ #ifndef SHARE_JVMCI_JVMCICOMPILERTOVM_HPP #define SHARE_JVMCI_JVMCICOMPILERTOVM_HPP #include "gc/shared/cardTable.hpp" #include "jvmci/jvmciExceptions.hpp" #include "runtime/javaCalls.hpp" #include "runtime/signature.hpp" class JVMCIObjectArray; class CompilerToVM { public: class Data { friend class JVMCIVMStructs; private: static int Klass_vtable_start_offset; static int Klass_vtable_length_offset; static int Method_extra_stack_entries; static address SharedRuntime_ic_miss_stub; static address SharedRuntime_handle_wrong_method_stub; static address SharedRuntime_deopt_blob_unpack; static address SharedRuntime_deopt_blob_uncommon_trap; static size_t ThreadLocalAllocBuffer_alignment_reserve; static CollectedHeap* Universe_collectedHeap; static int Universe_base_vtable_size; static address Universe_narrow_oop_base; static int Universe_narrow_oop_shift; static address Universe_narrow_klass_base; static int Universe_narrow_klass_shift; static uintptr_t Universe_verify_oop_mask; static uintptr_t Universe_verify_oop_bits; static void* Universe_non_oop_bits; static bool _supports_inline_contig_alloc; static HeapWord** _heap_end_addr; static HeapWord* volatile* _heap_top_addr; static int _max_oop_map_stack_offset; static int _fields_annotations_base_offset; static CardTable::CardValue* cardtable_start_address; static int cardtable_shift; static int vm_page_size; static int sizeof_vtableEntry; static int sizeof_ExceptionTableElement; static int sizeof_LocalVariableTableElement; static int sizeof_ConstantPool; static int sizeof_narrowKlass; static int sizeof_arrayOopDesc; static int sizeof_BasicLock; static address dsin; static address dcos; static address dtan; static address dexp; static address dlog; static address dlog10; static address dpow; static address symbol_init; static address symbol_clinit; public: static void initialize(JVMCI_TRAPS); static int max_oop_map_stack_offset() { assert(_max_oop_map_stack_offset > 0, "must be initialized"); return Data::_max_oop_map_stack_offset; } }; static bool cstring_equals(const char* const& s0, const char* const& s1) { return strcmp(s0, s1) == 0; } static unsigned cstring_hash(const char* const& s) { int h = 0; const char* p = s; while (*p != '\0') { h = 31 * h + *p; p++; } return h; } static JNINativeMethod methods[]; static JNINativeMethod jni_methods[]; static JVMCIObjectArray initialize_intrinsics(JVMCI_TRAPS); public: static int methods_count(); }; class JavaArgumentUnboxer : public SignatureIterator { protected: JavaCallArguments* _jca; arrayOop _args; int _index; Handle next_arg(BasicType expectedType); 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() { } }; class JNIHandleMark : public StackObj { JavaThread* _thread; public: JNIHandleMark(JavaThread* thread) : _thread(thread) { push_jni_handle_block(thread); } ~JNIHandleMark() { pop_jni_handle_block(_thread); } private: static void push_jni_handle_block(JavaThread* thread); static void pop_jni_handle_block(JavaThread* thread); }; #endif // SHARE_JVMCI_JVMCICOMPILERTOVM_HPP