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/icBuffer.hpp"
30 #include "code/vtableStubs.hpp"
31 #include "interpreter/interpreter.hpp"
32 #include "oops/compiledICHolder.hpp"
33 #include "runtime/interfaceSupport.inline.hpp"
34 #include "runtime/sharedRuntime.hpp"
35 #include "runtime/vframeArray.hpp"
36 #include "vmreg_zero.inline.hpp"
37 #ifdef COMPILER1
38 #include "c1/c1_Runtime1.hpp"
39 #endif
40 #ifdef COMPILER2
41 #include "opto/runtime.hpp"
42 #endif
43
44
45 static address zero_null_code_stub() {
46 address start = ShouldNotCallThisStub();
47 return start;
48 }
49
50 int SharedRuntime::java_calling_convention(const BasicType *sig_bt,
51 VMRegPair *regs,
52 int total_args_passed) {
53 return 0;
54 }
55
56 int SharedRuntime::java_return_convention(const BasicType *sig_bt,
57 VMRegPair *regs,
58 int total_args_passed) {
59 Unimplemented();
60 return 0;
61 }
62
63 BufferedInlineTypeBlob* SharedRuntime::generate_buffered_inline_type_adapter(const InlineKlass* vk) {
64 Unimplemented();
65 return NULL;
66 }
67
68 AdapterHandlerEntry* SharedRuntime::generate_i2c2i_adapters(MacroAssembler* masm,
69 int comp_args_on_stack,
70 const GrowableArray <SigEntry>* sig,
71 const VMRegPair* regs,
72 const GrowableArray <SigEntry>* sig_cc,
73 const VMRegPair* regs_cc,
74 const GrowableArray <SigEntry>* sig_cc_ro,
75 const VMRegPair* regs_cc_ro,
76 AdapterFingerPrint* fingerprint,
77 AdapterBlob*& new_adapter,
78 bool allocate_code_blob) {
79 if (allocate_code_blob) {
80 new_adapter = AdapterBlob::create(masm->code(), 0, 0, NULL);
81 }
82 return AdapterHandlerLibrary::new_entry(
83 fingerprint,
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 CAST_FROM_FN_PTR(address,zero_null_code_stub),
90 CAST_FROM_FN_PTR(address,zero_null_code_stub));
91 }
92
93 nmethod *SharedRuntime::generate_native_wrapper(MacroAssembler *masm,
94 const methodHandle& method,
95 int compile_id,
96 BasicType *sig_bt,
97 VMRegPair *regs,
98 BasicType ret_type) {
99 ShouldNotCallThis();
100 return nullptr;
101 }
102
103 int Deoptimization::last_frame_adjust(int callee_parameters,
104 int callee_locals) {
105 return 0;
106 }
107
108 uint SharedRuntime::out_preserve_stack_slots() {
109 ShouldNotCallThis();
110 return 0;
111 }
112
113 JRT_LEAF(void, zero_stub())
114 ShouldNotCallThis();
115 JRT_END
116
117 static RuntimeStub* generate_empty_runtime_stub(const char* name) {
118 return CAST_FROM_FN_PTR(RuntimeStub*,zero_stub);
119 }
120
121 static SafepointBlob* generate_empty_safepoint_blob() {
122 return CAST_FROM_FN_PTR(SafepointBlob*,zero_stub);
123 }
124
125 static DeoptimizationBlob* generate_empty_deopt_blob() {
126 return CAST_FROM_FN_PTR(DeoptimizationBlob*,zero_stub);
127 }
128
129
130 void SharedRuntime::generate_deopt_blob() {
131 _deopt_blob = generate_empty_deopt_blob();
132 }
133
134 SafepointBlob* SharedRuntime::generate_handler_blob(address call_ptr, int poll_type) {
135 return generate_empty_safepoint_blob();
136 }
137
138 RuntimeStub* SharedRuntime::generate_resolve_blob(address destination, const char* name) {
139 return generate_empty_runtime_stub("resolve_blob");
140 }
141
142 int SharedRuntime::c_calling_convention(const BasicType *sig_bt,
143 VMRegPair *regs,
144 int total_args_passed) {
145 ShouldNotCallThis();
146 return 0;
147 }
148
149 int SharedRuntime::vector_calling_convention(VMRegPair *regs,
150 uint num_bits,
151 uint total_args_passed) {
152 ShouldNotCallThis();
153 return 0;
154 }