1 /*
2 * Copyright (c) 2003, 2025, 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 "asm/assembler.inline.hpp"
27 #include "code/debugInfoRec.hpp"
28 #include "code/vtableStubs.hpp"
29 #include "interpreter/interpreter.hpp"
30 #include "runtime/interfaceSupport.inline.hpp"
31 #include "runtime/sharedRuntime.hpp"
32 #include "runtime/vframeArray.hpp"
33 #include "vmreg_zero.inline.hpp"
34 #ifdef COMPILER1
35 #include "c1/c1_Runtime1.hpp"
36 #endif
37 #ifdef COMPILER2
38 #include "opto/runtime.hpp"
39 #endif
40
41
42 static address zero_null_code_stub() {
43 address start = ShouldNotCallThisStub();
44 return start;
45 }
46
47 int SharedRuntime::java_calling_convention(const BasicType *sig_bt,
48 VMRegPair *regs,
49 int total_args_passed) {
50 return 0;
51 }
52
53 AdapterHandlerEntry* SharedRuntime::generate_i2c2i_adapters(
54 MacroAssembler *masm,
55 int total_args_passed,
56 int comp_args_on_stack,
57 const BasicType *sig_bt,
58 const VMRegPair *regs,
59 AdapterFingerPrint *fingerprint) {
60 return AdapterHandlerLibrary::new_entry(
61 fingerprint,
62 CAST_FROM_FN_PTR(address,zero_null_code_stub),
63 CAST_FROM_FN_PTR(address,zero_null_code_stub),
64 CAST_FROM_FN_PTR(address,zero_null_code_stub));
65 }
66
67 nmethod *SharedRuntime::generate_native_wrapper(MacroAssembler *masm,
68 const methodHandle& method,
69 int compile_id,
70 BasicType *sig_bt,
71 VMRegPair *regs,
72 BasicType ret_type) {
73 ShouldNotCallThis();
74 return nullptr;
75 }
76
77 int Deoptimization::last_frame_adjust(int callee_parameters,
78 int callee_locals) {
79 return 0;
80 }
81
82 uint SharedRuntime::out_preserve_stack_slots() {
83 ShouldNotCallThis();
84 return 0;
85 }
86
87 VMReg SharedRuntime::thread_register() {
88 Unimplemented();
89 return nullptr;
90 }
91
92 JRT_LEAF(void, zero_stub())
93 ShouldNotCallThis();
94 JRT_END
95
96 static RuntimeStub* generate_empty_runtime_stub() {
97 return CAST_FROM_FN_PTR(RuntimeStub*,zero_stub);
98 }
99
100 static SafepointBlob* generate_empty_safepoint_blob() {
101 return CAST_FROM_FN_PTR(SafepointBlob*,zero_stub);
102 }
103
104 static DeoptimizationBlob* generate_empty_deopt_blob() {
105 return CAST_FROM_FN_PTR(DeoptimizationBlob*,zero_stub);
106 }
107
108 void SharedRuntime::generate_deopt_blob() {
109 _deopt_blob = generate_empty_deopt_blob();
110 }
111
112 SafepointBlob* SharedRuntime::generate_handler_blob(SharedStubId id, address call_ptr) {
113 return generate_empty_safepoint_blob();
114 }
115
116 RuntimeStub* SharedRuntime::generate_resolve_blob(SharedStubId id, address destination) {
117 return generate_empty_runtime_stub();
118 }
119
120 RuntimeStub* SharedRuntime::generate_throw_exception(SharedStubId id, address runtime_entry) {
121 return generate_empty_runtime_stub();
122 }
123
124 int SharedRuntime::c_calling_convention(const BasicType *sig_bt,
125 VMRegPair *regs,
126 int total_args_passed) {
127 ShouldNotCallThis();
128 return 0;
129 }
130
131 int SharedRuntime::vector_calling_convention(VMRegPair *regs,
132 uint num_bits,
133 uint total_args_passed) {
134 ShouldNotCallThis();
135 return 0;
136 }
137
138 #if INCLUDE_JFR
139 RuntimeStub* SharedRuntime::generate_jfr_write_checkpoint() {
140 return nullptr;
141 }
142
143 RuntimeStub* SharedRuntime::generate_jfr_return_lease() {
144 return nullptr;
145 }
146
147 #endif // INCLUDE_JFR
148