1 /*
2 * Copyright (c) 2003, 2023, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2007, 2008, 2009, 2010, 2011 Red Hat, Inc.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #include "precompiled.hpp"
27 #include "asm/assembler.inline.hpp"
28 #include "code/debugInfoRec.hpp"
29 #include "code/vtableStubs.hpp"
30 #include "interpreter/interpreter.hpp"
31 #include "runtime/interfaceSupport.inline.hpp"
32 #include "runtime/sharedRuntime.hpp"
33 #include "runtime/vframeArray.hpp"
34 #include "vmreg_zero.inline.hpp"
35 #ifdef COMPILER1
36 #include "c1/c1_Runtime1.hpp"
37 #endif
38 #ifdef COMPILER2
39 #include "opto/runtime.hpp"
40 #endif
41
42
43 static address zero_null_code_stub() {
44 address start = ShouldNotCallThisStub();
45 return start;
46 }
47
48 int SharedRuntime::java_calling_convention(const BasicType *sig_bt,
49 VMRegPair *regs,
50 int total_args_passed) {
51 return 0;
52 }
53
54 int SharedRuntime::java_return_convention(const BasicType *sig_bt,
55 VMRegPair *regs,
56 int total_args_passed) {
57 Unimplemented();
58 return 0;
59 }
60
61 BufferedInlineTypeBlob* SharedRuntime::generate_buffered_inline_type_adapter(const InlineKlass* vk) {
62 Unimplemented();
63 return NULL;
64 }
65
66 AdapterHandlerEntry* SharedRuntime::generate_i2c2i_adapters(MacroAssembler* masm,
67 int comp_args_on_stack,
68 const GrowableArray <SigEntry>* sig,
69 const VMRegPair* regs,
70 const GrowableArray <SigEntry>* sig_cc,
71 const VMRegPair* regs_cc,
72 const GrowableArray <SigEntry>* sig_cc_ro,
73 const VMRegPair* regs_cc_ro,
74 AdapterFingerPrint* fingerprint,
75 AdapterBlob*& new_adapter,
76 bool allocate_code_blob) {
77 if (allocate_code_blob) {
78 new_adapter = AdapterBlob::create(masm->code(), 0, 0, NULL);
79 }
80 return AdapterHandlerLibrary::new_entry(
81 fingerprint,
82 CAST_FROM_FN_PTR(address,zero_null_code_stub),
83 CAST_FROM_FN_PTR(address,zero_null_code_stub),
84 CAST_FROM_FN_PTR(address,zero_null_code_stub),
85 CAST_FROM_FN_PTR(address,zero_null_code_stub),
86 CAST_FROM_FN_PTR(address,zero_null_code_stub),
87 CAST_FROM_FN_PTR(address,zero_null_code_stub),
88 CAST_FROM_FN_PTR(address,zero_null_code_stub));
89 }
90
91 nmethod *SharedRuntime::generate_native_wrapper(MacroAssembler *masm,
92 const methodHandle& method,
93 int compile_id,
94 BasicType *sig_bt,
95 VMRegPair *regs,
96 BasicType ret_type) {
97 ShouldNotCallThis();
98 return nullptr;
99 }
100
101 int Deoptimization::last_frame_adjust(int callee_parameters,
102 int callee_locals) {
103 return 0;
104 }
105
106 uint SharedRuntime::out_preserve_stack_slots() {
107 ShouldNotCallThis();
108 return 0;
109 }
110
111 JRT_LEAF(void, zero_stub())
112 ShouldNotCallThis();
113 JRT_END
114
115 static RuntimeStub* generate_empty_runtime_stub() {
116 return CAST_FROM_FN_PTR(RuntimeStub*,zero_stub);
117 }
118
119 static SafepointBlob* generate_empty_safepoint_blob() {
120 return CAST_FROM_FN_PTR(SafepointBlob*,zero_stub);
121 }
122
123 static DeoptimizationBlob* generate_empty_deopt_blob() {
124 return CAST_FROM_FN_PTR(DeoptimizationBlob*,zero_stub);
125 }
126
127 void SharedRuntime::generate_deopt_blob() {
128 _deopt_blob = generate_empty_deopt_blob();
129 }
130
131 SafepointBlob* SharedRuntime::generate_handler_blob(SharedStubId id, address call_ptr) {
132 return generate_empty_safepoint_blob();
133 }
134
135 RuntimeStub* SharedRuntime::generate_resolve_blob(SharedStubId id, address destination) {
136 return generate_empty_runtime_stub();
137 }
138
139 RuntimeStub* SharedRuntime::generate_throw_exception(SharedStubId id, address runtime_entry) {
140 return generate_empty_runtime_stub();
141 }
142
143 int SharedRuntime::c_calling_convention(const BasicType *sig_bt,
144 VMRegPair *regs,
145 int total_args_passed) {
146 ShouldNotCallThis();
147 return 0;
148 }
149
150 int SharedRuntime::vector_calling_convention(VMRegPair *regs,
151 uint num_bits,
152 uint total_args_passed) {
153 ShouldNotCallThis();
154 return 0;
155 }
156
157 #if INCLUDE_JFR
158 RuntimeStub* SharedRuntime::generate_jfr_write_checkpoint() {
159 return nullptr;
160 }
161
162 RuntimeStub* SharedRuntime::generate_jfr_return_lease() {
163 return nullptr;
164 }
165
166 #endif // INCLUDE_JFR
167