1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/vm/c1/c1_Runtime1.hpp Wed Apr 27 01:25:04 2016 +0800 1.3 @@ -0,0 +1,201 @@ 1.4 +/* 1.5 + * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.23 + * or visit www.oracle.com if you need additional information or have any 1.24 + * questions. 1.25 + * 1.26 + */ 1.27 + 1.28 +#ifndef SHARE_VM_C1_C1_RUNTIME1_HPP 1.29 +#define SHARE_VM_C1_C1_RUNTIME1_HPP 1.30 + 1.31 +#include "c1/c1_FrameMap.hpp" 1.32 +#include "code/stubs.hpp" 1.33 +#include "interpreter/interpreter.hpp" 1.34 +#include "memory/allocation.hpp" 1.35 +#include "runtime/deoptimization.hpp" 1.36 + 1.37 +class StubAssembler; 1.38 + 1.39 +// The Runtime1 holds all assembly stubs and VM 1.40 +// runtime routines needed by code code generated 1.41 +// by the Compiler1. 1.42 + 1.43 +#define RUNTIME1_STUBS(stub, last_entry) \ 1.44 + stub(dtrace_object_alloc) \ 1.45 + stub(unwind_exception) \ 1.46 + stub(forward_exception) \ 1.47 + stub(throw_range_check_failed) /* throws ArrayIndexOutOfBoundsException */ \ 1.48 + stub(throw_index_exception) /* throws IndexOutOfBoundsException */ \ 1.49 + stub(throw_div0_exception) \ 1.50 + stub(throw_null_pointer_exception) \ 1.51 + stub(register_finalizer) \ 1.52 + stub(new_instance) \ 1.53 + stub(fast_new_instance) \ 1.54 + stub(fast_new_instance_init_check) \ 1.55 + stub(new_type_array) \ 1.56 + stub(new_object_array) \ 1.57 + stub(new_multi_array) \ 1.58 + stub(handle_exception_nofpu) /* optimized version that does not preserve fpu registers */ \ 1.59 + stub(handle_exception) \ 1.60 + stub(handle_exception_from_callee) \ 1.61 + stub(throw_array_store_exception) \ 1.62 + stub(throw_class_cast_exception) \ 1.63 + stub(throw_incompatible_class_change_error) \ 1.64 + stub(slow_subtype_check) \ 1.65 + stub(monitorenter) \ 1.66 + stub(monitorenter_nofpu) /* optimized version that does not preserve fpu registers */ \ 1.67 + stub(monitorexit) \ 1.68 + stub(monitorexit_nofpu) /* optimized version that does not preserve fpu registers */ \ 1.69 + stub(deoptimize) \ 1.70 + stub(access_field_patching) \ 1.71 + stub(load_klass_patching) \ 1.72 + stub(load_mirror_patching) \ 1.73 + stub(load_appendix_patching) \ 1.74 + stub(g1_pre_barrier_slow) \ 1.75 + stub(g1_post_barrier_slow) \ 1.76 + stub(fpu2long_stub) \ 1.77 + stub(counter_overflow) \ 1.78 + stub(predicate_failed_trap) \ 1.79 + last_entry(number_of_ids) 1.80 + 1.81 +#define DECLARE_STUB_ID(x) x ## _id , 1.82 +#define DECLARE_LAST_STUB_ID(x) x 1.83 +#define STUB_NAME(x) #x " Runtime1 stub", 1.84 +#define LAST_STUB_NAME(x) #x " Runtime1 stub" 1.85 + 1.86 +class Runtime1: public AllStatic { 1.87 + friend class VMStructs; 1.88 + friend class ArrayCopyStub; 1.89 + 1.90 + public: 1.91 + enum StubID { 1.92 + RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID) 1.93 + }; 1.94 + 1.95 + // statistics 1.96 +#ifndef PRODUCT 1.97 + static int _resolve_invoke_cnt; 1.98 + static int _handle_wrong_method_cnt; 1.99 + static int _ic_miss_cnt; 1.100 + static int _generic_arraycopy_cnt; 1.101 + static int _primitive_arraycopy_cnt; 1.102 + static int _oop_arraycopy_cnt; 1.103 + static int _generic_arraycopystub_cnt; 1.104 + static int _arraycopy_slowcase_cnt; 1.105 + static int _arraycopy_checkcast_cnt; 1.106 + static int _arraycopy_checkcast_attempt_cnt; 1.107 + static int _new_type_array_slowcase_cnt; 1.108 + static int _new_object_array_slowcase_cnt; 1.109 + static int _new_instance_slowcase_cnt; 1.110 + static int _new_multi_array_slowcase_cnt; 1.111 + static int _monitorenter_slowcase_cnt; 1.112 + static int _monitorexit_slowcase_cnt; 1.113 + static int _patch_code_slowcase_cnt; 1.114 + static int _throw_range_check_exception_count; 1.115 + static int _throw_index_exception_count; 1.116 + static int _throw_div0_exception_count; 1.117 + static int _throw_null_pointer_exception_count; 1.118 + static int _throw_class_cast_exception_count; 1.119 + static int _throw_incompatible_class_change_error_count; 1.120 + static int _throw_array_store_exception_count; 1.121 + static int _throw_count; 1.122 +#endif 1.123 + 1.124 + private: 1.125 + static CodeBlob* _blobs[number_of_ids]; 1.126 + static const char* _blob_names[]; 1.127 + 1.128 + // stub generation 1.129 + static void generate_blob_for(BufferBlob* blob, StubID id); 1.130 + static OopMapSet* generate_code_for(StubID id, StubAssembler* sasm); 1.131 + static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument); 1.132 + static OopMapSet* generate_handle_exception(StubID id, StubAssembler* sasm); 1.133 + static void generate_unwind_exception(StubAssembler *sasm); 1.134 + static OopMapSet* generate_patching(StubAssembler* sasm, address target); 1.135 + 1.136 + static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry, 1.137 + Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg); 1.138 + 1.139 + // runtime entry points 1.140 + static void new_instance (JavaThread* thread, Klass* klass); 1.141 + static void new_type_array (JavaThread* thread, Klass* klass, jint length); 1.142 + static void new_object_array(JavaThread* thread, Klass* klass, jint length); 1.143 + static void new_multi_array (JavaThread* thread, Klass* klass, int rank, jint* dims); 1.144 + 1.145 + static address counter_overflow(JavaThread* thread, int bci, Method* method); 1.146 + 1.147 + static void unimplemented_entry (JavaThread* thread, StubID id); 1.148 + 1.149 + static address exception_handler_for_pc(JavaThread* thread); 1.150 + 1.151 + static void throw_range_check_exception(JavaThread* thread, int index); 1.152 + static void throw_index_exception(JavaThread* thread, int index); 1.153 + static void throw_div0_exception(JavaThread* thread); 1.154 + static void throw_null_pointer_exception(JavaThread* thread); 1.155 + static void throw_class_cast_exception(JavaThread* thread, oopDesc* object); 1.156 + static void throw_incompatible_class_change_error(JavaThread* thread); 1.157 + static void throw_array_store_exception(JavaThread* thread, oopDesc* object); 1.158 + 1.159 + static void monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock); 1.160 + static void monitorexit (JavaThread* thread, BasicObjectLock* lock); 1.161 + 1.162 + static void deoptimize(JavaThread* thread); 1.163 + 1.164 + static int access_field_patching(JavaThread* thread); 1.165 + static int move_klass_patching(JavaThread* thread); 1.166 + static int move_mirror_patching(JavaThread* thread); 1.167 + static int move_appendix_patching(JavaThread* thread); 1.168 + 1.169 + static void patch_code(JavaThread* thread, StubID stub_id); 1.170 + 1.171 + public: 1.172 + // initialization 1.173 + static void initialize(BufferBlob* blob); 1.174 + static void initialize_pd(); 1.175 + 1.176 + // stubs 1.177 + static CodeBlob* blob_for (StubID id); 1.178 + static address entry_for(StubID id) { return blob_for(id)->code_begin(); } 1.179 + static const char* name_for (StubID id); 1.180 + static const char* name_for_address(address entry); 1.181 + 1.182 + // platform might add runtime names. 1.183 + static const char* pd_name_for_address(address entry); 1.184 + 1.185 + // method tracing 1.186 + static void trace_block_entry(jint block_id); 1.187 + 1.188 +#ifndef PRODUCT 1.189 + static address throw_count_address() { return (address)&_throw_count; } 1.190 + static address arraycopy_count_address(BasicType type); 1.191 +#endif 1.192 + 1.193 + // directly accessible leaf routine 1.194 + static int arraycopy(oopDesc* src, int src_pos, oopDesc* dst, int dst_pos, int length); 1.195 + static void primitive_arraycopy(HeapWord* src, HeapWord* dst, int length); 1.196 + static void oop_arraycopy(HeapWord* src, HeapWord* dst, int length); 1.197 + static int is_instance_of(oopDesc* mirror, oopDesc* obj); 1.198 + 1.199 + static void predicate_failed_trap(JavaThread* thread); 1.200 + 1.201 + static void print_statistics() PRODUCT_RETURN; 1.202 +}; 1.203 + 1.204 +#endif // SHARE_VM_C1_C1_RUNTIME1_HPP