diff -r 4ebc2e2fb97c -r 71c04702a3d5 src/hotspot/share/c1/c1_Runtime1.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/hotspot/share/c1/c1_Runtime1.hpp Tue Sep 12 19:03:39 2017 +0200 @@ -0,0 +1,197 @@ +/* + * Copyright (c) 1999, 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_C1_C1_RUNTIME1_HPP +#define SHARE_VM_C1_C1_RUNTIME1_HPP + +#include "c1/c1_FrameMap.hpp" +#include "code/stubs.hpp" +#include "interpreter/interpreter.hpp" +#include "memory/allocation.hpp" +#include "runtime/deoptimization.hpp" + +class StubAssembler; + +// The Runtime1 holds all assembly stubs and VM +// runtime routines needed by code code generated +// by the Compiler1. + +#define RUNTIME1_STUBS(stub, last_entry) \ + stub(dtrace_object_alloc) \ + stub(unwind_exception) \ + stub(forward_exception) \ + stub(throw_range_check_failed) /* throws ArrayIndexOutOfBoundsException */ \ + stub(throw_index_exception) /* throws IndexOutOfBoundsException */ \ + stub(throw_div0_exception) \ + stub(throw_null_pointer_exception) \ + stub(register_finalizer) \ + stub(new_instance) \ + stub(fast_new_instance) \ + stub(fast_new_instance_init_check) \ + stub(new_type_array) \ + stub(new_object_array) \ + stub(new_multi_array) \ + stub(handle_exception_nofpu) /* optimized version that does not preserve fpu registers */ \ + stub(handle_exception) \ + stub(handle_exception_from_callee) \ + stub(throw_array_store_exception) \ + stub(throw_class_cast_exception) \ + stub(throw_incompatible_class_change_error) \ + stub(slow_subtype_check) \ + stub(monitorenter) \ + stub(monitorenter_nofpu) /* optimized version that does not preserve fpu registers */ \ + stub(monitorexit) \ + stub(monitorexit_nofpu) /* optimized version that does not preserve fpu registers */ \ + stub(deoptimize) \ + stub(access_field_patching) \ + stub(load_klass_patching) \ + stub(load_mirror_patching) \ + stub(load_appendix_patching) \ + stub(g1_pre_barrier_slow) \ + stub(g1_post_barrier_slow) \ + stub(fpu2long_stub) \ + stub(counter_overflow) \ + stub(predicate_failed_trap) \ + last_entry(number_of_ids) + +#define DECLARE_STUB_ID(x) x ## _id , +#define DECLARE_LAST_STUB_ID(x) x +#define STUB_NAME(x) #x " Runtime1 stub", +#define LAST_STUB_NAME(x) #x " Runtime1 stub" + +class Runtime1: public AllStatic { + friend class VMStructs; + friend class ArrayCopyStub; + + public: + enum StubID { + RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID) + }; + + // statistics +#ifndef PRODUCT + static int _resolve_invoke_cnt; + static int _handle_wrong_method_cnt; + static int _ic_miss_cnt; + static int _generic_arraycopy_cnt; + static int _generic_arraycopystub_cnt; + static int _arraycopy_slowcase_cnt; + static int _arraycopy_checkcast_cnt; + static int _arraycopy_checkcast_attempt_cnt; + static int _new_type_array_slowcase_cnt; + static int _new_object_array_slowcase_cnt; + static int _new_instance_slowcase_cnt; + static int _new_multi_array_slowcase_cnt; + static int _monitorenter_slowcase_cnt; + static int _monitorexit_slowcase_cnt; + static int _patch_code_slowcase_cnt; + static int _throw_range_check_exception_count; + static int _throw_index_exception_count; + static int _throw_div0_exception_count; + static int _throw_null_pointer_exception_count; + static int _throw_class_cast_exception_count; + static int _throw_incompatible_class_change_error_count; + static int _throw_array_store_exception_count; + static int _throw_count; +#endif + + private: + static CodeBlob* _blobs[number_of_ids]; + static const char* _blob_names[]; + + // stub generation + static void generate_blob_for(BufferBlob* blob, StubID id); + static OopMapSet* generate_code_for(StubID id, StubAssembler* sasm); + static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument); + static OopMapSet* generate_handle_exception(StubID 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* thread, Klass* klass); + static void new_type_array (JavaThread* thread, Klass* klass, jint length); + static void new_object_array(JavaThread* thread, Klass* klass, jint length); + static void new_multi_array (JavaThread* thread, Klass* klass, int rank, jint* dims); + + static address counter_overflow(JavaThread* thread, int bci, Method* method); + + static void unimplemented_entry (JavaThread* thread, StubID id); + + static address exception_handler_for_pc(JavaThread* thread); + + static void throw_range_check_exception(JavaThread* thread, int index); + static void throw_index_exception(JavaThread* thread, int index); + static void throw_div0_exception(JavaThread* thread); + static void throw_null_pointer_exception(JavaThread* thread); + static void throw_class_cast_exception(JavaThread* thread, oopDesc* object); + static void throw_incompatible_class_change_error(JavaThread* thread); + static void throw_array_store_exception(JavaThread* thread, oopDesc* object); + + static void monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock); + static void monitorexit (JavaThread* thread, BasicObjectLock* lock); + + static void deoptimize(JavaThread* thread, jint trap_request); + + static int access_field_patching(JavaThread* thread); + static int move_klass_patching(JavaThread* thread); + static int move_mirror_patching(JavaThread* thread); + static int move_appendix_patching(JavaThread* thread); + + static void patch_code(JavaThread* thread, StubID stub_id); + + public: + // initialization + static void initialize(BufferBlob* blob); + static void initialize_pd(); + + // stubs + static CodeBlob* blob_for (StubID id); + static address entry_for(StubID id) { return blob_for(id)->code_begin(); } + static const char* name_for (StubID 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 arraycopy(oopDesc* src, int src_pos, oopDesc* dst, int dst_pos, int length); + static int is_instance_of(oopDesc* mirror, oopDesc* obj); + + static void predicate_failed_trap(JavaThread* thread); + + static void print_statistics() PRODUCT_RETURN; +}; + +#endif // SHARE_VM_C1_C1_RUNTIME1_HPP