src/share/vm/c1/c1_Runtime1.hpp

Tue, 08 Aug 2017 15:57:29 +0800

author
aoqi
date
Tue, 08 Aug 2017 15:57:29 +0800
changeset 6876
710a3c8b516e
parent 6198
55fb97c4c58d
parent 0
f90c822e73f8
permissions
-rw-r--r--

merge

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 *
aoqi@0 23 */
aoqi@0 24
aoqi@0 25 #ifndef SHARE_VM_C1_C1_RUNTIME1_HPP
aoqi@0 26 #define SHARE_VM_C1_C1_RUNTIME1_HPP
aoqi@0 27
aoqi@0 28 #include "c1/c1_FrameMap.hpp"
aoqi@0 29 #include "code/stubs.hpp"
aoqi@0 30 #include "interpreter/interpreter.hpp"
aoqi@0 31 #include "memory/allocation.hpp"
aoqi@0 32 #include "runtime/deoptimization.hpp"
aoqi@0 33
aoqi@0 34 class StubAssembler;
aoqi@0 35
aoqi@0 36 // The Runtime1 holds all assembly stubs and VM
aoqi@0 37 // runtime routines needed by code code generated
aoqi@0 38 // by the Compiler1.
aoqi@0 39
aoqi@0 40 #define RUNTIME1_STUBS(stub, last_entry) \
aoqi@0 41 stub(dtrace_object_alloc) \
aoqi@0 42 stub(unwind_exception) \
aoqi@0 43 stub(forward_exception) \
aoqi@0 44 stub(throw_range_check_failed) /* throws ArrayIndexOutOfBoundsException */ \
aoqi@0 45 stub(throw_index_exception) /* throws IndexOutOfBoundsException */ \
aoqi@0 46 stub(throw_div0_exception) \
aoqi@0 47 stub(throw_null_pointer_exception) \
aoqi@0 48 stub(register_finalizer) \
aoqi@0 49 stub(new_instance) \
aoqi@0 50 stub(fast_new_instance) \
aoqi@0 51 stub(fast_new_instance_init_check) \
aoqi@0 52 stub(new_type_array) \
aoqi@0 53 stub(new_object_array) \
aoqi@0 54 stub(new_multi_array) \
aoqi@0 55 stub(handle_exception_nofpu) /* optimized version that does not preserve fpu registers */ \
aoqi@0 56 stub(handle_exception) \
aoqi@0 57 stub(handle_exception_from_callee) \
aoqi@0 58 stub(throw_array_store_exception) \
aoqi@0 59 stub(throw_class_cast_exception) \
aoqi@0 60 stub(throw_incompatible_class_change_error) \
aoqi@0 61 stub(slow_subtype_check) \
aoqi@0 62 stub(monitorenter) \
aoqi@0 63 stub(monitorenter_nofpu) /* optimized version that does not preserve fpu registers */ \
aoqi@0 64 stub(monitorexit) \
aoqi@0 65 stub(monitorexit_nofpu) /* optimized version that does not preserve fpu registers */ \
aoqi@0 66 stub(deoptimize) \
aoqi@0 67 stub(access_field_patching) \
aoqi@0 68 stub(load_klass_patching) \
aoqi@0 69 stub(load_mirror_patching) \
aoqi@0 70 stub(load_appendix_patching) \
aoqi@0 71 stub(g1_pre_barrier_slow) \
aoqi@0 72 stub(g1_post_barrier_slow) \
aoqi@0 73 stub(fpu2long_stub) \
aoqi@0 74 stub(counter_overflow) \
aoqi@0 75 stub(predicate_failed_trap) \
aoqi@0 76 last_entry(number_of_ids)
aoqi@0 77
aoqi@0 78 #define DECLARE_STUB_ID(x) x ## _id ,
aoqi@0 79 #define DECLARE_LAST_STUB_ID(x) x
aoqi@0 80 #define STUB_NAME(x) #x " Runtime1 stub",
aoqi@0 81 #define LAST_STUB_NAME(x) #x " Runtime1 stub"
aoqi@0 82
aoqi@0 83 class Runtime1: public AllStatic {
aoqi@0 84 friend class VMStructs;
aoqi@0 85 friend class ArrayCopyStub;
aoqi@0 86
aoqi@0 87 public:
aoqi@0 88 enum StubID {
aoqi@0 89 RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID)
aoqi@0 90 };
aoqi@0 91
aoqi@0 92 // statistics
aoqi@0 93 #ifndef PRODUCT
aoqi@0 94 static int _resolve_invoke_cnt;
aoqi@0 95 static int _handle_wrong_method_cnt;
aoqi@0 96 static int _ic_miss_cnt;
aoqi@0 97 static int _generic_arraycopy_cnt;
aoqi@0 98 static int _primitive_arraycopy_cnt;
aoqi@0 99 static int _oop_arraycopy_cnt;
aoqi@0 100 static int _generic_arraycopystub_cnt;
aoqi@0 101 static int _arraycopy_slowcase_cnt;
aoqi@0 102 static int _arraycopy_checkcast_cnt;
aoqi@0 103 static int _arraycopy_checkcast_attempt_cnt;
aoqi@0 104 static int _new_type_array_slowcase_cnt;
aoqi@0 105 static int _new_object_array_slowcase_cnt;
aoqi@0 106 static int _new_instance_slowcase_cnt;
aoqi@0 107 static int _new_multi_array_slowcase_cnt;
aoqi@0 108 static int _monitorenter_slowcase_cnt;
aoqi@0 109 static int _monitorexit_slowcase_cnt;
aoqi@0 110 static int _patch_code_slowcase_cnt;
aoqi@0 111 static int _throw_range_check_exception_count;
aoqi@0 112 static int _throw_index_exception_count;
aoqi@0 113 static int _throw_div0_exception_count;
aoqi@0 114 static int _throw_null_pointer_exception_count;
aoqi@0 115 static int _throw_class_cast_exception_count;
aoqi@0 116 static int _throw_incompatible_class_change_error_count;
aoqi@0 117 static int _throw_array_store_exception_count;
aoqi@0 118 static int _throw_count;
aoqi@0 119 #endif
aoqi@0 120
aoqi@0 121 private:
aoqi@0 122 static CodeBlob* _blobs[number_of_ids];
aoqi@0 123 static const char* _blob_names[];
aoqi@0 124
aoqi@0 125 // stub generation
aoqi@0 126 static void generate_blob_for(BufferBlob* blob, StubID id);
aoqi@0 127 static OopMapSet* generate_code_for(StubID id, StubAssembler* sasm);
aoqi@0 128 static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument);
aoqi@0 129 static OopMapSet* generate_handle_exception(StubID id, StubAssembler* sasm);
aoqi@0 130 static void generate_unwind_exception(StubAssembler *sasm);
aoqi@0 131 static OopMapSet* generate_patching(StubAssembler* sasm, address target);
aoqi@0 132
aoqi@0 133 static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry,
aoqi@0 134 Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg);
aoqi@0 135
aoqi@0 136 // runtime entry points
aoqi@0 137 static void new_instance (JavaThread* thread, Klass* klass);
aoqi@0 138 static void new_type_array (JavaThread* thread, Klass* klass, jint length);
aoqi@0 139 static void new_object_array(JavaThread* thread, Klass* klass, jint length);
aoqi@0 140 static void new_multi_array (JavaThread* thread, Klass* klass, int rank, jint* dims);
aoqi@0 141
aoqi@0 142 static address counter_overflow(JavaThread* thread, int bci, Method* method);
aoqi@0 143
aoqi@0 144 static void unimplemented_entry (JavaThread* thread, StubID id);
aoqi@0 145
aoqi@0 146 static address exception_handler_for_pc(JavaThread* thread);
aoqi@0 147
aoqi@0 148 static void throw_range_check_exception(JavaThread* thread, int index);
aoqi@0 149 static void throw_index_exception(JavaThread* thread, int index);
aoqi@0 150 static void throw_div0_exception(JavaThread* thread);
aoqi@0 151 static void throw_null_pointer_exception(JavaThread* thread);
aoqi@0 152 static void throw_class_cast_exception(JavaThread* thread, oopDesc* object);
aoqi@0 153 static void throw_incompatible_class_change_error(JavaThread* thread);
aoqi@0 154 static void throw_array_store_exception(JavaThread* thread, oopDesc* object);
aoqi@0 155
aoqi@0 156 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock);
aoqi@0 157 static void monitorexit (JavaThread* thread, BasicObjectLock* lock);
aoqi@0 158
aoqi@0 159 static void deoptimize(JavaThread* thread);
aoqi@0 160
aoqi@0 161 static int access_field_patching(JavaThread* thread);
aoqi@0 162 static int move_klass_patching(JavaThread* thread);
aoqi@0 163 static int move_mirror_patching(JavaThread* thread);
aoqi@0 164 static int move_appendix_patching(JavaThread* thread);
aoqi@0 165
aoqi@0 166 static void patch_code(JavaThread* thread, StubID stub_id);
aoqi@0 167
aoqi@0 168 public:
aoqi@0 169 // initialization
aoqi@0 170 static void initialize(BufferBlob* blob);
aoqi@0 171 static void initialize_pd();
aoqi@0 172
aoqi@0 173 // stubs
aoqi@0 174 static CodeBlob* blob_for (StubID id);
aoqi@0 175 static address entry_for(StubID id) { return blob_for(id)->code_begin(); }
aoqi@0 176 static const char* name_for (StubID id);
aoqi@0 177 static const char* name_for_address(address entry);
aoqi@0 178
aoqi@0 179 // platform might add runtime names.
aoqi@0 180 static const char* pd_name_for_address(address entry);
aoqi@0 181
aoqi@0 182 // method tracing
aoqi@0 183 static void trace_block_entry(jint block_id);
aoqi@0 184
aoqi@0 185 #ifndef PRODUCT
aoqi@0 186 static address throw_count_address() { return (address)&_throw_count; }
aoqi@0 187 static address arraycopy_count_address(BasicType type);
aoqi@0 188 #endif
aoqi@0 189
aoqi@0 190 // directly accessible leaf routine
aoqi@0 191 static int arraycopy(oopDesc* src, int src_pos, oopDesc* dst, int dst_pos, int length);
aoqi@0 192 static void primitive_arraycopy(HeapWord* src, HeapWord* dst, int length);
aoqi@0 193 static void oop_arraycopy(HeapWord* src, HeapWord* dst, int length);
aoqi@0 194 static int is_instance_of(oopDesc* mirror, oopDesc* obj);
aoqi@0 195
aoqi@0 196 static void predicate_failed_trap(JavaThread* thread);
aoqi@0 197
aoqi@0 198 static void print_statistics() PRODUCT_RETURN;
aoqi@0 199 };
aoqi@0 200
aoqi@0 201 #endif // SHARE_VM_C1_C1_RUNTIME1_HPP

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