1 /*
2 * Copyright (c) 2003, 2021, 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
38 #ifdef COMPILER1
39 #include "c1/c1_Runtime1.hpp"
40 #endif
41 #ifdef COMPILER2
42 #include "opto/runtime.hpp"
43 #endif
44
45
46 static address zero_null_code_stub() {
47 address start = ShouldNotCallThisStub();
48 return start;
49 }
50
51 int SharedRuntime::java_calling_convention(const BasicType *sig_bt,
52 VMRegPair *regs,
53 int total_args_passed) {
54 return 0;
55 }
56
57 AdapterHandlerEntry* SharedRuntime::generate_i2c2i_adapters(
58 MacroAssembler *masm,
59 int total_args_passed,
60 int comp_args_on_stack,
61 const BasicType *sig_bt,
62 const VMRegPair *regs,
63 AdapterFingerPrint *fingerprint) {
64 return AdapterHandlerLibrary::new_entry(
65 fingerprint,
66 CAST_FROM_FN_PTR(address,zero_null_code_stub),
67 CAST_FROM_FN_PTR(address,zero_null_code_stub),
68 CAST_FROM_FN_PTR(address,zero_null_code_stub));
69 }
70
71 nmethod *SharedRuntime::generate_native_wrapper(MacroAssembler *masm,
72 const methodHandle& method,
73 int compile_id,
74 BasicType *sig_bt,
75 VMRegPair *regs,
76 BasicType ret_type,
77 address critical_entry) {
78 ShouldNotCallThis();
79 return NULL;
80 }
81
82 int Deoptimization::last_frame_adjust(int callee_parameters,
83 int callee_locals) {
84 return 0;
85 }
86
87 uint SharedRuntime::out_preserve_stack_slots() {
88 ShouldNotCallThis();
89 return 0;
90 }
91
92 JRT_LEAF(void, zero_stub())
93 ShouldNotCallThis();
94 JRT_END
95
96 static RuntimeStub* generate_empty_runtime_stub(const char* name) {
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
109 void SharedRuntime::generate_deopt_blob() {
110 _deopt_blob = generate_empty_deopt_blob();
111 }
112
113 SafepointBlob* SharedRuntime::generate_handler_blob(address call_ptr, int poll_type) {
114 return generate_empty_safepoint_blob();
115 }
116
117 RuntimeStub* SharedRuntime::generate_resolve_blob(address destination, const char* name) {
118 return generate_empty_runtime_stub("resolve_blob");
119 }
120
121 int SharedRuntime::c_calling_convention(const BasicType *sig_bt,
122 VMRegPair *regs,
123 VMRegPair *regs2,
124 int total_args_passed) {
125 ShouldNotCallThis();
126 return 0;
127 }
128
129 int SharedRuntime::vector_calling_convention(VMRegPair *regs,
130 uint num_bits,
131 uint total_args_passed) {
132 ShouldNotCallThis();
133 return 0;
134 }