0
|
1 /*
|
|
2 * Copyright 1997-2004 Sun Microsystems, Inc. All Rights Reserved.
|
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
4 *
|
|
5 * This code is free software; you can redistribute it and/or modify it
|
|
6 * under the terms of the GNU General Public License version 2 only, as
|
|
7 * published by the Free Software Foundation.
|
|
8 *
|
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT
|
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
12 * version 2 for more details (a copy is included in the LICENSE file that
|
|
13 * accompanied this code).
|
|
14 *
|
|
15 * You should have received a copy of the GNU General Public License version
|
|
16 * 2 along with this work; if not, write to the Free Software Foundation,
|
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
18 *
|
|
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
20 * CA 95054 USA or visit www.sun.com if you need additional information or
|
|
21 * have any questions.
|
|
22 *
|
|
23 */
|
|
24
|
|
25 #include "incls/_precompiled.incl"
|
|
26 #include "incls/_stubCodeGenerator.cpp.incl"
|
|
27
|
|
28
|
|
29 // Implementation of StubCodeDesc
|
|
30
|
|
31 StubCodeDesc* StubCodeDesc::_list = NULL;
|
|
32 int StubCodeDesc::_count = 0;
|
|
33
|
|
34
|
|
35 StubCodeDesc* StubCodeDesc::desc_for(address pc) {
|
|
36 StubCodeDesc* p = _list;
|
|
37 while (p != NULL && !p->contains(pc)) p = p->_next;
|
|
38 // p == NULL || p->contains(pc)
|
|
39 return p;
|
|
40 }
|
|
41
|
|
42
|
|
43 StubCodeDesc* StubCodeDesc::desc_for_index(int index) {
|
|
44 StubCodeDesc* p = _list;
|
|
45 while (p != NULL && p->index() != index) p = p->_next;
|
|
46 return p;
|
|
47 }
|
|
48
|
|
49
|
|
50 const char* StubCodeDesc::name_for(address pc) {
|
|
51 StubCodeDesc* p = desc_for(pc);
|
|
52 return p == NULL ? NULL : p->name();
|
|
53 }
|
|
54
|
|
55
|
|
56 void StubCodeDesc::print() {
|
|
57 tty->print(group());
|
|
58 tty->print("::");
|
|
59 tty->print(name());
|
|
60 tty->print(" [" INTPTR_FORMAT ", " INTPTR_FORMAT "[ (%d bytes)", begin(), end(), size_in_bytes());
|
|
61 }
|
|
62
|
|
63
|
|
64
|
|
65 // Implementation of StubCodeGenerator
|
|
66
|
|
67 StubCodeGenerator::StubCodeGenerator(CodeBuffer* code) {
|
|
68 _masm = new MacroAssembler(code);
|
|
69 _first_stub = _last_stub = NULL;
|
|
70 }
|
|
71
|
|
72 #ifndef PRODUCT
|
|
73 extern "C" {
|
|
74 static int compare_cdesc(const void* void_a, const void* void_b) {
|
|
75 int ai = (*((StubCodeDesc**) void_a))->index();
|
|
76 int bi = (*((StubCodeDesc**) void_b))->index();
|
|
77 return ai - bi;
|
|
78 }
|
|
79 }
|
|
80 #endif
|
|
81
|
|
82 StubCodeGenerator::~StubCodeGenerator() {
|
|
83 #ifndef PRODUCT
|
|
84 if (PrintStubCode) {
|
|
85 CodeBuffer* cbuf = _masm->code();
|
|
86 CodeBlob* blob = CodeCache::find_blob_unsafe(cbuf->insts()->start());
|
|
87 if (blob != NULL) {
|
|
88 blob->set_comments(cbuf->comments());
|
|
89 }
|
|
90 bool saw_first = false;
|
|
91 StubCodeDesc* toprint[1000];
|
|
92 int toprint_len = 0;
|
|
93 for (StubCodeDesc* cdesc = _last_stub; cdesc != NULL; cdesc = cdesc->_next) {
|
|
94 toprint[toprint_len++] = cdesc;
|
|
95 if (cdesc == _first_stub) { saw_first = true; break; }
|
|
96 }
|
|
97 assert(saw_first, "must get both first & last");
|
|
98 // Print in reverse order:
|
|
99 qsort(toprint, toprint_len, sizeof(toprint[0]), compare_cdesc);
|
|
100 for (int i = 0; i < toprint_len; i++) {
|
|
101 StubCodeDesc* cdesc = toprint[i];
|
|
102 cdesc->print();
|
|
103 tty->cr();
|
|
104 Disassembler::decode(cdesc->begin(), cdesc->end());
|
|
105 tty->cr();
|
|
106 }
|
|
107 }
|
|
108 #endif //PRODUCT
|
|
109 }
|
|
110
|
|
111
|
|
112 void StubCodeGenerator::stub_prolog(StubCodeDesc* cdesc) {
|
|
113 // default implementation - do nothing
|
|
114 }
|
|
115
|
|
116
|
|
117 void StubCodeGenerator::stub_epilog(StubCodeDesc* cdesc) {
|
|
118 // default implementation - record the cdesc
|
|
119 if (_first_stub == NULL) _first_stub = cdesc;
|
|
120 _last_stub = cdesc;
|
|
121 }
|
|
122
|
|
123
|
|
124 // Implementation of CodeMark
|
|
125
|
|
126 StubCodeMark::StubCodeMark(StubCodeGenerator* cgen, const char* group, const char* name) {
|
|
127 _cgen = cgen;
|
|
128 _cdesc = new StubCodeDesc(group, name, _cgen->assembler()->pc());
|
|
129 _cgen->stub_prolog(_cdesc);
|
|
130 // define the stub's beginning (= entry point) to be after the prolog:
|
|
131 _cdesc->set_begin(_cgen->assembler()->pc());
|
|
132 }
|
|
133
|
|
134 StubCodeMark::~StubCodeMark() {
|
|
135 _cgen->assembler()->flush();
|
|
136 _cdesc->set_end(_cgen->assembler()->pc());
|
|
137 assert(StubCodeDesc::_list == _cdesc, "expected order on list");
|
|
138 _cgen->stub_epilog(_cdesc);
|
|
139 VTune::register_stub(_cdesc->name(), _cdesc->begin(), _cdesc->end());
|
|
140 Forte::register_stub(_cdesc->name(), _cdesc->begin(), _cdesc->end());
|
|
141
|
|
142 if (JvmtiExport::should_post_dynamic_code_generated()) {
|
|
143 JvmtiExport::post_dynamic_code_generated(_cdesc->name(), _cdesc->begin(), _cdesc->end());
|
|
144 }
|
|
145 }
|