/* * Copyright (c) 1999, 2025, 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_C1_C1_RUNTIME1_HPP #define SHARE_C1_C1_RUNTIME1_HPP #include "c1/c1_FrameMap.hpp" #include "code/stubs.hpp" #include "interpreter/interpreter.hpp" #include "memory/allStatic.hpp" #include "runtime/stubDeclarations.hpp" class StubAssembler; // The Runtime1 holds all assembly stubs and VM // runtime routines needed by code code generated // by the Compiler1. class StubAssemblerCodeGenClosure: public Closure { public: virtual OopMapSet* generate_code(StubAssembler* sasm) = 0; }; // define C1StubId enum tags: unwind_exception_id etc #define C1_STUB_ID_ENUM_DECLARE(name) STUB_ID_NAME(name), enum class C1StubId :int { NO_STUBID = -1, C1_STUBS_DO(C1_STUB_ID_ENUM_DECLARE) NUM_STUBIDS }; #undef C1_STUB_ID_ENUM_DECLARE class Runtime1: public AllStatic { friend class ArrayCopyStub; friend class AOTCodeAddressTable; public: // statistics #ifndef PRODUCT static uint _generic_arraycopystub_cnt; static uint _arraycopy_slowcase_cnt; static uint _arraycopy_checkcast_cnt; static uint _arraycopy_checkcast_attempt_cnt; static uint _new_type_array_slowcase_cnt; static uint _new_object_array_slowcase_cnt; static uint _new_instance_slowcase_cnt; static uint _new_multi_array_slowcase_cnt; static uint _monitorenter_slowcase_cnt; static uint _monitorexit_slowcase_cnt; static uint _patch_code_slowcase_cnt; static uint _throw_range_check_exception_count; static uint _throw_index_exception_count; static uint _throw_div0_exception_count; static uint _throw_null_pointer_exception_count; static uint _throw_class_cast_exception_count; static uint _throw_incompatible_class_change_error_count; static uint _throw_count; #endif private: static CodeBlob* _blobs[(int)C1StubId::NUM_STUBIDS]; static const char* _blob_names[]; // stub generation public: static CodeBlob* generate_blob(BufferBlob* buffer_blob, C1StubId id, const char* name, bool expect_oop_map, StubAssemblerCodeGenClosure *cl); static bool generate_blob_for(BufferBlob* blob, C1StubId id); static OopMapSet* generate_code_for(C1StubId id, StubAssembler* sasm); private: static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument); static OopMapSet* generate_handle_exception(C1StubId id, StubAssembler* sasm); static void generate_unwind_exception(StubAssembler *sasm); static OopMapSet* generate_patching(StubAssembler* sasm, address target); static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry, Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg); // runtime entry points static void new_instance (JavaThread* current, Klass* klass); static void new_type_array (JavaThread* current, Klass* klass, jint length); static void new_object_array(JavaThread* current, Klass* klass, jint length); static void new_multi_array (JavaThread* current, Klass* klass, int rank, jint* dims); static address counter_overflow(JavaThread* current, int bci, Method* method); static void unimplemented_entry(JavaThread* current, C1StubId id); static address exception_handler_for_pc(JavaThread* current); static void throw_range_check_exception(JavaThread* current, int index, arrayOopDesc* a); static void throw_index_exception(JavaThread* current, int index); static void throw_div0_exception(JavaThread* current); static void throw_null_pointer_exception(JavaThread* current); static void throw_class_cast_exception(JavaThread* current, oopDesc* object); static void throw_incompatible_class_change_error(JavaThread* current); static void throw_array_store_exception(JavaThread* current, oopDesc* object); static void monitorenter(JavaThread* current, oopDesc* obj, BasicObjectLock* lock); static void monitorexit (JavaThread* current, BasicObjectLock* lock); static void deoptimize(JavaThread* current, jint trap_request); static int access_field_patching(JavaThread* current); static int move_klass_patching(JavaThread* current); static int move_mirror_patching(JavaThread* current); static int move_appendix_patching(JavaThread* current); static void patch_code(JavaThread* current, C1StubId stub_id); public: // initialization static bool initialize(BufferBlob* blob); static void initialize_pd(); // return offset in words static uint runtime_blob_current_thread_offset(frame f); // stubs static CodeBlob* blob_for (C1StubId id); static address entry_for(C1StubId id) { return blob_for(id)->code_begin(); } static const char* name_for (C1StubId id); static const char* name_for_address(address entry); // platform might add runtime names. static const char* pd_name_for_address(address entry); // method tracing static void trace_block_entry(jint block_id); #ifndef PRODUCT static address throw_count_address() { return (address)&_throw_count; } static address arraycopy_count_address(BasicType type); #endif // directly accessible leaf routine static int is_instance_of(oopDesc* mirror, oopDesc* obj); static void predicate_failed_trap(JavaThread* current); static void check_abort_on_vm_exception(oopDesc* ex); static void print_statistics() PRODUCT_RETURN; }; #endif // SHARE_C1_C1_RUNTIME1_HPP