sharedRuntime_zero.cpp revision 5776:de6a9e811145 
1/*
2 * Copyright (c) 2003, 2013, 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.hpp"
28#include "assembler_zero.inline.hpp"
29#include "code/debugInfoRec.hpp"
30#include "code/icBuffer.hpp"
31#include "code/vtableStubs.hpp"
32#include "interpreter/interpreter.hpp"
33#include "oops/compiledICHolder.hpp"
34#include "prims/jvmtiRedefineClassesTrace.hpp"
35#include "runtime/sharedRuntime.hpp"
36#include "runtime/vframeArray.hpp"
37#include "vmreg_zero.inline.hpp"
38
39#ifdef COMPILER1
40#include "c1/c1_Runtime1.hpp"
41#endif
42#ifdef COMPILER2
43#include "opto/runtime.hpp"
44#endif
45#ifdef SHARK
46#include "compiler/compileBroker.hpp"
47#include "shark/sharkCompiler.hpp"
48#endif
49
50
51
52static address zero_null_code_stub() {
53  address start = ShouldNotCallThisStub();
54  return start;
55}
56
57int SharedRuntime::java_calling_convention(const BasicType *sig_bt,
58                                           VMRegPair *regs,
59                                           int total_args_passed,
60                                           int is_outgoing) {
61  return 0;
62}
63
64AdapterHandlerEntry* SharedRuntime::generate_i2c2i_adapters(
65                        MacroAssembler *masm,
66                        int total_args_passed,
67                        int comp_args_on_stack,
68                        const BasicType *sig_bt,
69                        const VMRegPair *regs,
70                        AdapterFingerPrint *fingerprint) {
71  return AdapterHandlerLibrary::new_entry(
72    fingerprint,
73    CAST_FROM_FN_PTR(address,zero_null_code_stub),
74    CAST_FROM_FN_PTR(address,zero_null_code_stub),
75    CAST_FROM_FN_PTR(address,zero_null_code_stub));
76}
77
78nmethod *SharedRuntime::generate_native_wrapper(MacroAssembler *masm,
79                                                methodHandle method,
80                                                int compile_id,
81                                                BasicType *sig_bt,
82                                                VMRegPair *regs,
83                                                BasicType ret_type) {
84#ifdef SHARK
85  return SharkCompiler::compiler()->generate_native_wrapper(masm,
86                                                            method,
87                                                            compile_id,
88                                                            sig_bt,
89                                                            ret_type);
90#else
91  ShouldNotCallThis();
92  return NULL;
93#endif // SHARK
94}
95
96int Deoptimization::last_frame_adjust(int callee_parameters,
97                                      int callee_locals) {
98  return 0;
99}
100
101uint SharedRuntime::out_preserve_stack_slots() {
102  ShouldNotCallThis();
103  return 0;
104}
105
106JRT_LEAF(void, zero_stub())
107  ShouldNotCallThis();
108JRT_END
109
110static RuntimeStub* generate_empty_runtime_stub(const char* name) {
111  return CAST_FROM_FN_PTR(RuntimeStub*,zero_stub);
112}
113
114static SafepointBlob* generate_empty_safepoint_blob() {
115  return CAST_FROM_FN_PTR(SafepointBlob*,zero_stub);
116}
117
118static DeoptimizationBlob* generate_empty_deopt_blob() {
119  return CAST_FROM_FN_PTR(DeoptimizationBlob*,zero_stub);
120}
121
122
123void SharedRuntime::generate_deopt_blob() {
124  _deopt_blob = generate_empty_deopt_blob();
125}
126
127SafepointBlob* SharedRuntime::generate_handler_blob(address call_ptr, int poll_type) {
128  return generate_empty_safepoint_blob();
129}
130
131RuntimeStub* SharedRuntime::generate_resolve_blob(address destination, const char* name) {
132  return generate_empty_runtime_stub("resolve_blob");
133}
134
135
136int SharedRuntime::c_calling_convention(const BasicType *sig_bt,
137                                         VMRegPair *regs,
138                                         int total_args_passed) {
139  ShouldNotCallThis();
140  return 0;
141}
142