sharedRuntime_zero.cpp revision 1010:354d3184f6b2 
1/*
2 * Copyright 2003-2007 Sun Microsystems, Inc.  All Rights Reserved.
3 * Copyright 2007, 2008 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
22 * have any questions.
23 *
24 */
25
26#include "incls/_precompiled.incl"
27#include "incls/_sharedRuntime_zero.cpp.incl"
28
29DeoptimizationBlob *SharedRuntime::_deopt_blob;
30SafepointBlob      *SharedRuntime::_polling_page_safepoint_handler_blob;
31SafepointBlob      *SharedRuntime::_polling_page_return_handler_blob;
32RuntimeStub        *SharedRuntime::_wrong_method_blob;
33RuntimeStub        *SharedRuntime::_ic_miss_blob;
34RuntimeStub        *SharedRuntime::_resolve_opt_virtual_call_blob;
35RuntimeStub        *SharedRuntime::_resolve_virtual_call_blob;
36RuntimeStub        *SharedRuntime::_resolve_static_call_blob;
37
38int SharedRuntime::java_calling_convention(const BasicType *sig_bt,
39                                           VMRegPair *regs,
40                                           int total_args_passed,
41                                           int is_outgoing) {
42  return 0;
43}
44
45AdapterHandlerEntry* SharedRuntime::generate_i2c2i_adapters(
46                        MacroAssembler *masm,
47                        int total_args_passed,
48                        int comp_args_on_stack,
49                        const BasicType *sig_bt,
50                        const VMRegPair *regs) {
51  return new AdapterHandlerEntry(
52    ShouldNotCallThisStub(),
53    ShouldNotCallThisStub(),
54    ShouldNotCallThisStub());
55}
56
57nmethod *SharedRuntime::generate_native_wrapper(MacroAssembler *masm,
58                                                methodHandle method,
59                                                int total_in_args,
60                                                int comp_args_on_stack,
61                                                BasicType *in_sig_bt,
62                                                VMRegPair *in_regs,
63                                                BasicType ret_type) {
64  ShouldNotCallThis();
65}
66
67int Deoptimization::last_frame_adjust(int callee_parameters,
68                                      int callee_locals) {
69  return 0;
70}
71
72uint SharedRuntime::out_preserve_stack_slots() {
73  ShouldNotCallThis();
74}
75
76static RuntimeStub* generate_empty_runtime_stub(const char* name) {
77  CodeBuffer buffer(name, 0, 0);
78  return RuntimeStub::new_runtime_stub(name, &buffer, 0, 0, NULL, false);
79}
80
81static SafepointBlob* generate_empty_safepoint_blob() {
82  CodeBuffer buffer("handler_blob", 0, 0);
83  return SafepointBlob::create(&buffer, NULL, 0);
84}
85
86void SharedRuntime::generate_stubs() {
87  _wrong_method_blob =
88    generate_empty_runtime_stub("wrong_method_stub");
89  _ic_miss_blob =
90    generate_empty_runtime_stub("ic_miss_stub");
91  _resolve_opt_virtual_call_blob =
92    generate_empty_runtime_stub("resolve_opt_virtual_call");
93  _resolve_virtual_call_blob =
94    generate_empty_runtime_stub("resolve_virtual_call");
95  _resolve_static_call_blob =
96    generate_empty_runtime_stub("resolve_static_call");
97
98  _polling_page_safepoint_handler_blob =
99    generate_empty_safepoint_blob();
100  _polling_page_return_handler_blob =
101    generate_empty_safepoint_blob();
102}
103
104int SharedRuntime::c_calling_convention(const BasicType *sig_bt,
105                                         VMRegPair *regs,
106                                         int total_args_passed) {
107  ShouldNotCallThis();
108}
109