1 /*
2 * Copyright (c) 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "classfile/stringTable.hpp"
27 #include "classfile/symbolTable.hpp"
28 #include "gc/shared/referenceProcessor.hpp"
29 #include "runtime/arguments.hpp"
30 #include "runtime/commandLineFlagConstraintList.hpp"
31 #include "runtime/commandLineFlagConstraintsCompiler.hpp"
32 #include "runtime/commandLineFlagConstraintsGC.hpp"
33 #include "runtime/commandLineFlagConstraintsRuntime.hpp"
34 #include "runtime/os_ext.hpp"
35 #include "utilities/macros.hpp"
36
37 class CommandLineFlagConstraint_bool : public CommandLineFlagConstraint {
38 CommandLineFlagConstraintFunc_bool _constraint;
39
40 public:
41 CommandLineFlagConstraint_bool(const char* name, CommandLineFlagConstraintFunc_bool func) : CommandLineFlagConstraint(name) {
42 _constraint=func;
43 }
44
45 Flag::Error apply_bool(bool* value, bool verbose) {
46 return _constraint(verbose, value);
47 }
48 };
49
50 class CommandLineFlagConstraint_int : public CommandLineFlagConstraint {
51 CommandLineFlagConstraintFunc_int _constraint;
52
53 public:
54 CommandLineFlagConstraint_int(const char* name, CommandLineFlagConstraintFunc_int func) : CommandLineFlagConstraint(name) {
55 _constraint=func;
56 }
57
58 Flag::Error apply_int(int* value, bool verbose) {
59 return _constraint(verbose, value);
60 }
61 };
62
63 class CommandLineFlagConstraint_intx : public CommandLineFlagConstraint {
64 CommandLineFlagConstraintFunc_intx _constraint;
65
66 public:
67 CommandLineFlagConstraint_intx(const char* name, CommandLineFlagConstraintFunc_intx func) : CommandLineFlagConstraint(name) {
68 _constraint=func;
69 }
70
71 Flag::Error apply_intx(intx* value, bool verbose) {
72 return _constraint(verbose, value);
73 }
74 };
75
76 class CommandLineFlagConstraint_uint : public CommandLineFlagConstraint {
77 CommandLineFlagConstraintFunc_uint _constraint;
78
79 public:
80 CommandLineFlagConstraint_uint(const char* name, CommandLineFlagConstraintFunc_uint func) : CommandLineFlagConstraint(name) {
81 _constraint=func;
82 }
83
84 Flag::Error apply_uint(uint* value, bool verbose) {
85 return _constraint(verbose, value);
86 }
87 };
88
89 class CommandLineFlagConstraint_uintx : public CommandLineFlagConstraint {
90 CommandLineFlagConstraintFunc_uintx _constraint;
91
92 public:
93 CommandLineFlagConstraint_uintx(const char* name, CommandLineFlagConstraintFunc_uintx func) : CommandLineFlagConstraint(name) {
94 _constraint=func;
95 }
96
97 Flag::Error apply_uintx(uintx* value, bool verbose) {
98 return _constraint(verbose, value);
99 }
100 };
101
102 class CommandLineFlagConstraint_uint64_t : public CommandLineFlagConstraint {
103 CommandLineFlagConstraintFunc_uint64_t _constraint;
104
105 public:
106 CommandLineFlagConstraint_uint64_t(const char* name, CommandLineFlagConstraintFunc_uint64_t func) : CommandLineFlagConstraint(name) {
107 _constraint=func;
108 }
109
110 Flag::Error apply_uint64_t(uint64_t* value, bool verbose) {
111 return _constraint(verbose, value);
112 }
113 };
114
115 class CommandLineFlagConstraint_size_t : public CommandLineFlagConstraint {
116 CommandLineFlagConstraintFunc_size_t _constraint;
117
118 public:
119 CommandLineFlagConstraint_size_t(const char* name, CommandLineFlagConstraintFunc_size_t func) : CommandLineFlagConstraint(name) {
120 _constraint=func;
121 }
122
123 Flag::Error apply_size_t(size_t* value, bool verbose) {
124 return _constraint(verbose, value);
125 }
126 };
127
128 class CommandLineFlagConstraint_double : public CommandLineFlagConstraint {
129 CommandLineFlagConstraintFunc_double _constraint;
130
131 public:
132 CommandLineFlagConstraint_double(const char* name, CommandLineFlagConstraintFunc_double func) : CommandLineFlagConstraint(name) {
133 _constraint=func;
134 }
135
136 Flag::Error apply_double(double* value, bool verbose) {
137 return _constraint(verbose, value);
138 }
139 };
140
141 // No constraint emitting
142 void emit_constraint_no(...) { /* NOP */ }
143
144 // No constraint emitting if function argument is NOT provided
145 void emit_constraint_bool(const char* /*name*/) { /* NOP */ }
146 void emit_constraint_ccstr(const char* /*name*/) { /* NOP */ }
147 void emit_constraint_ccstrlist(const char* /*name*/) { /* NOP */ }
148 void emit_constraint_int(const char* /*name*/) { /* NOP */ }
149 void emit_constraint_intx(const char* /*name*/) { /* NOP */ }
150 void emit_constraint_uint(const char* /*name*/) { /* NOP */ }
151 void emit_constraint_uintx(const char* /*name*/) { /* NOP */ }
152 void emit_constraint_uint64_t(const char* /*name*/) { /* NOP */ }
153 void emit_constraint_size_t(const char* /*name*/) { /* NOP */ }
154 void emit_constraint_double(const char* /*name*/) { /* NOP */ }
155
156 // CommandLineFlagConstraint emitting code functions if function argument is provided
157 void emit_constraint_bool(const char* name, CommandLineFlagConstraintFunc_bool func) {
158 CommandLineFlagConstraintList::add(new CommandLineFlagConstraint_bool(name, func));
159 }
160 void emit_constraint_int(const char* name, CommandLineFlagConstraintFunc_int func) {
161 CommandLineFlagConstraintList::add(new CommandLineFlagConstraint_int(name, func));
162 }
163 void emit_constraint_intx(const char* name, CommandLineFlagConstraintFunc_intx func) {
164 CommandLineFlagConstraintList::add(new CommandLineFlagConstraint_intx(name, func));
165 }
166 void emit_constraint_uint(const char* name, CommandLineFlagConstraintFunc_uint func) {
167 CommandLineFlagConstraintList::add(new CommandLineFlagConstraint_uint(name, func));
168 }
169 void emit_constraint_uintx(const char* name, CommandLineFlagConstraintFunc_uintx func) {
170 CommandLineFlagConstraintList::add(new CommandLineFlagConstraint_uintx(name, func));
171 }
172 void emit_constraint_uint64_t(const char* name, CommandLineFlagConstraintFunc_uint64_t func) {
173 CommandLineFlagConstraintList::add(new CommandLineFlagConstraint_uint64_t(name, func));
174 }
175 void emit_constraint_size_t(const char* name, CommandLineFlagConstraintFunc_size_t func) {
176 CommandLineFlagConstraintList::add(new CommandLineFlagConstraint_size_t(name, func));
177 }
178 void emit_constraint_double(const char* name, CommandLineFlagConstraintFunc_double func) {
179 CommandLineFlagConstraintList::add(new CommandLineFlagConstraint_double(name, func));
180 }
181
182 // Generate code to call emit_constraint_xxx function
183 #define EMIT_CONSTRAINT_PRODUCT_FLAG(type, name, value, doc) ); emit_constraint_##type(#name
184 #define EMIT_CONSTRAINT_COMMERCIAL_FLAG(type, name, value, doc) ); emit_constraint_##type(#name
185 #define EMIT_CONSTRAINT_DIAGNOSTIC_FLAG(type, name, value, doc) ); emit_constraint_##type(#name
186 #define EMIT_CONSTRAINT_EXPERIMENTAL_FLAG(type, name, value, doc) ); emit_constraint_##type(#name
187 #define EMIT_CONSTRAINT_MANAGEABLE_FLAG(type, name, value, doc) ); emit_constraint_##type(#name
188 #define EMIT_CONSTRAINT_PRODUCT_RW_FLAG(type, name, value, doc) ); emit_constraint_##type(#name
189 #define EMIT_CONSTRAINT_PD_PRODUCT_FLAG(type, name, doc) ); emit_constraint_##type(#name
190 #define EMIT_CONSTRAINT_DEVELOPER_FLAG(type, name, value, doc) ); emit_constraint_##type(#name
191 #define EMIT_CONSTRAINT_PD_DEVELOPER_FLAG(type, name, doc) ); emit_constraint_##type(#name
192 #define EMIT_CONSTRAINT_NOTPRODUCT_FLAG(type, name, value, doc) ); emit_constraint_##type(#name
193 #define EMIT_CONSTRAINT_LP64_PRODUCT_FLAG(type, name, value, doc) ); emit_constraint_##type(#name
194
195 // Generate func argument to pass into emit_constraint_xxx functions
196 #define EMIT_CONSTRAINT_CHECK(func) , func
197
198 #define INITIAL_CONTRAINTS_SIZE 16
199 GrowableArray<CommandLineFlagConstraint*>* CommandLineFlagConstraintList::_constraints = NULL;
200
201 // Check the ranges of all flags that have them or print them out and exit if requested
202 void CommandLineFlagConstraintList::init(void) {
203
204 _constraints = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<CommandLineFlagConstraint*>(INITIAL_CONTRAINTS_SIZE, true);
205
206 emit_constraint_no(NULL RUNTIME_FLAGS(EMIT_CONSTRAINT_DEVELOPER_FLAG,
207 EMIT_CONSTRAINT_PD_DEVELOPER_FLAG,
208 EMIT_CONSTRAINT_PRODUCT_FLAG,
209 EMIT_CONSTRAINT_PD_PRODUCT_FLAG,
210 EMIT_CONSTRAINT_DIAGNOSTIC_FLAG,
211 EMIT_CONSTRAINT_EXPERIMENTAL_FLAG,
212 EMIT_CONSTRAINT_NOTPRODUCT_FLAG,
213 EMIT_CONSTRAINT_MANAGEABLE_FLAG,
214 EMIT_CONSTRAINT_PRODUCT_RW_FLAG,
215 EMIT_CONSTRAINT_LP64_PRODUCT_FLAG,
216 IGNORE_RANGE,
217 EMIT_CONSTRAINT_CHECK));
218
219 EMIT_CONSTRAINTS_FOR_GLOBALS_EXT
220
221 emit_constraint_no(NULL ARCH_FLAGS(EMIT_CONSTRAINT_DEVELOPER_FLAG,
222 EMIT_CONSTRAINT_PRODUCT_FLAG,
223 EMIT_CONSTRAINT_DIAGNOSTIC_FLAG,
224 EMIT_CONSTRAINT_EXPERIMENTAL_FLAG,
225 EMIT_CONSTRAINT_NOTPRODUCT_FLAG,
226 IGNORE_RANGE,
227 EMIT_CONSTRAINT_CHECK));
228
229 #ifdef COMPILER1
230 emit_constraint_no(NULL C1_FLAGS(EMIT_CONSTRAINT_DEVELOPER_FLAG,
231 EMIT_CONSTRAINT_PD_DEVELOPER_FLAG,
232 EMIT_CONSTRAINT_PRODUCT_FLAG,
233 EMIT_CONSTRAINT_PD_PRODUCT_FLAG,
234 EMIT_CONSTRAINT_DIAGNOSTIC_FLAG,
235 EMIT_CONSTRAINT_NOTPRODUCT_FLAG,
236 IGNORE_RANGE,
237 EMIT_CONSTRAINT_CHECK));
238 #endif // COMPILER1
239
240 #ifdef COMPILER2
241 emit_constraint_no(NULL C2_FLAGS(EMIT_CONSTRAINT_DEVELOPER_FLAG,
242 EMIT_CONSTRAINT_PD_DEVELOPER_FLAG,
243 EMIT_CONSTRAINT_PRODUCT_FLAG,
244 EMIT_CONSTRAINT_PD_PRODUCT_FLAG,
245 EMIT_CONSTRAINT_DIAGNOSTIC_FLAG,
246 EMIT_CONSTRAINT_EXPERIMENTAL_FLAG,
247 EMIT_CONSTRAINT_NOTPRODUCT_FLAG,
248 IGNORE_RANGE,
249 EMIT_CONSTRAINT_CHECK));
250 #endif // COMPILER2
251
252 #ifndef INCLUDE_ALL_GCS
253 emit_constraint_no(NULL G1_FLAGS(EMIT_CONSTRAINT_DEVELOPER_FLAG,
254 EMIT_CONSTRAINT_PD_DEVELOPER_FLAG,
255 EMIT_CONSTRAINT_PRODUCT_FLAG,
256 EMIT_CONSTRAINT_PD_PRODUCT_FLAG,
257 EMIT_CONSTRAINT_DIAGNOSTIC_FLAG,
258 EMIT_CONSTRAINT_EXPERIMENTAL_FLAG,
259 EMIT_CONSTRAINT_NOTPRODUCT_FLAG,
260 EMIT_CONSTRAINT_MANAGEABLE_FLAG,
261 EMIT_CONSTRAINT_PRODUCT_RW_FLAG,
262 IGNORE_RANGE,
263 EMIT_CONSTRAINT_CHECK));
264 #endif // INCLUDE_ALL_GCS
265 }
266
267 CommandLineFlagConstraint* CommandLineFlagConstraintList::find(const char* name) {
268 CommandLineFlagConstraint* found = NULL;
269 for (int i=0; i<length(); i++) {
270 CommandLineFlagConstraint* constraint = at(i);
271 if (strcmp(constraint->_name, name) == 0) {
272 found = constraint;
273 break;
274 }
275 }
276 return found;
277 }