Quelle jvmciCompilerToVM.hpp
Sprache: C
/* * Copyright (c) 2011, 2021, 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 CollectedHeap;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_unpack_with_exception_in_tls;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;// Minimum alignment of an offset into CodeBuffer::SECT_CONSTS static int data_section_item_alignment;public :static void initialize(JVMCI_TRAPS);static int max_oop_map_stack_offset() {"must be initialized" );return Data::_max_oop_map_stack_offset;static int get_data_section_item_alignment() {return data_section_item_alignment;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' ) {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 :int _index;public :bool is_static)if (!is_static) {this );"arg count mismatch with signature" );private :friend class SignatureIterator; // so do_parameters_on can call do_type void do_type(BasicType type) {if (is_reference_type(type)) {return ;int box_offset = java_lang_boxing_object::value_offset(type);switch (type) {case T_BOOLEAN: _jca->push_int(arg->bool_field(box_offset)); break ;case T_CHAR: _jca->push_int(arg->char_field(box_offset)); break ;case T_SHORT: _jca->push_int(arg->short_field(box_offset)); break ;case T_BYTE: _jca->push_int(arg->byte_field(box_offset)); break ;case T_INT: _jca->push_int(arg->int_field(box_offset)); break ;case T_LONG: _jca->push_long(arg->long_field(box_offset)); break ;case T_FLOAT: _jca->push_float(arg->float_field(box_offset)); break ;case T_DOUBLE: _jca->push_double(arg->double_field(box_offset)); break ;default : ShouldNotReachHere();#endif // SHARE_JVMCI_JVMCICOMPILERTOVM_HPP quality 99%
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2026-03-28
