Mercurial > hg > truffle
annotate src/share/vm/runtime/globals.cpp @ 3763:e66f38dd58a9
Merge
author | ysr |
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date | Wed, 08 Jun 2011 08:39:53 -0700 |
parents | ed69575596ac |
children | 763f01599ff4 |
rev | line source |
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0 | 1 /* |
1692 | 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "memory/allocation.inline.hpp" | |
27 #include "oops/oop.inline.hpp" | |
28 #include "runtime/arguments.hpp" | |
29 #include "runtime/globals.hpp" | |
30 #include "runtime/globals_extension.hpp" | |
31 #include "utilities/ostream.hpp" | |
32 #include "utilities/top.hpp" | |
33 #ifndef SERIALGC | |
34 #include "gc_implementation/g1/g1_globals.hpp" | |
35 #endif | |
36 #ifdef COMPILER1 | |
37 #include "c1/c1_globals.hpp" | |
38 #endif | |
39 #ifdef COMPILER2 | |
40 #include "opto/c2_globals.hpp" | |
41 #endif | |
42 #ifdef SHARK | |
43 #include "shark/shark_globals.hpp" | |
44 #endif | |
0 | 45 |
46 | |
47 RUNTIME_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ | |
48 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ | |
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49 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
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50 MATERIALIZE_NOTPRODUCT_FLAG, \ |
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51 MATERIALIZE_MANAGEABLE_FLAG, MATERIALIZE_PRODUCT_RW_FLAG, \ |
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52 MATERIALIZE_LP64_PRODUCT_FLAG) |
0 | 53 |
54 RUNTIME_OS_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ | |
55 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ | |
56 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_NOTPRODUCT_FLAG) | |
57 | |
58 bool Flag::is_unlocker() const { | |
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59 return strcmp(name, "UnlockDiagnosticVMOptions") == 0 || |
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60 strcmp(name, "UnlockExperimentalVMOptions") == 0; |
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61 |
0 | 62 } |
63 | |
64 bool Flag::is_unlocked() const { | |
65 if (strcmp(kind, "{diagnostic}") == 0) { | |
2460 | 66 if (strcmp(name, "EnableInvokeDynamic") == 0 && UnlockExperimentalVMOptions && !UnlockDiagnosticVMOptions) { |
67 // transitional logic to allow tests to run until they are changed | |
68 static int warned; | |
69 if (++warned == 1) warning("Use -XX:+UnlockDiagnosticVMOptions before EnableInvokeDynamic flag"); | |
70 return true; | |
71 } | |
0 | 72 return UnlockDiagnosticVMOptions; |
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73 } else if (strcmp(kind, "{experimental}") == 0 || |
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74 strcmp(kind, "{C2 experimental}") == 0) { |
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75 return UnlockExperimentalVMOptions; |
0 | 76 } else { |
77 return true; | |
78 } | |
79 } | |
80 | |
81 bool Flag::is_writeable() const { | |
82 return (strcmp(kind, "{manageable}") == 0 || strcmp(kind, "{product rw}") == 0); | |
83 } | |
84 | |
85 // All flags except "manageable" are assumed internal flags. | |
86 // Long term, we need to define a mechanism to specify which flags | |
87 // are external/stable and change this function accordingly. | |
88 bool Flag::is_external() const { | |
89 return (strcmp(kind, "{manageable}") == 0); | |
90 } | |
91 | |
92 // Length of format string (e.g. "%.1234s") for printing ccstr below | |
93 #define FORMAT_BUFFER_LEN 16 | |
94 | |
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95 void Flag::print_on(outputStream* st, bool withComments) { |
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96 st->print("%9s %-40s %c= ", type, name, (origin != DEFAULT ? ':' : ' ')); |
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97 if (is_bool()) st->print("%-16s", get_bool() ? "true" : "false"); |
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98 if (is_intx()) st->print("%-16ld", get_intx()); |
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99 if (is_uintx()) st->print("%-16lu", get_uintx()); |
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100 if (is_uint64_t()) st->print("%-16lu", get_uint64_t()); |
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101 if (is_double()) st->print("%-16f", get_double()); |
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102 |
0 | 103 if (is_ccstr()) { |
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104 const char* cp = get_ccstr(); |
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105 if (cp != NULL) { |
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106 const char* eol; |
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107 while ((eol = strchr(cp, '\n')) != NULL) { |
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108 char format_buffer[FORMAT_BUFFER_LEN]; |
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109 size_t llen = pointer_delta(eol, cp, sizeof(char)); |
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110 jio_snprintf(format_buffer, FORMAT_BUFFER_LEN, |
103 | 111 "%%." SIZE_FORMAT "s", llen); |
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112 st->print(format_buffer, cp); |
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113 st->cr(); |
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114 cp = eol+1; |
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115 st->print("%5s %-35s += ", "", name); |
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116 } |
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117 st->print("%-16s", cp); |
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118 } |
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119 else st->print("%-16s", ""); |
0 | 120 } |
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121 st->print("%-20s", kind); |
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122 if (withComments) { |
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123 #ifndef PRODUCT |
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124 st->print("%s", doc ); |
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125 #endif |
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126 } |
0 | 127 st->cr(); |
128 } | |
129 | |
130 void Flag::print_as_flag(outputStream* st) { | |
131 if (is_bool()) { | |
132 st->print("-XX:%s%s", get_bool() ? "+" : "-", name); | |
133 } else if (is_intx()) { | |
134 st->print("-XX:%s=" INTX_FORMAT, name, get_intx()); | |
135 } else if (is_uintx()) { | |
136 st->print("-XX:%s=" UINTX_FORMAT, name, get_uintx()); | |
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137 } else if (is_uint64_t()) { |
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138 st->print("-XX:%s=" UINT64_FORMAT, name, get_uint64_t()); |
0 | 139 } else if (is_ccstr()) { |
140 st->print("-XX:%s=", name); | |
103 | 141 const char* cp = get_ccstr(); |
142 if (cp != NULL) { | |
143 // Need to turn embedded '\n's back into separate arguments | |
144 // Not so efficient to print one character at a time, | |
145 // but the choice is to do the transformation to a buffer | |
146 // and print that. And this need not be efficient. | |
147 for (; *cp != '\0'; cp += 1) { | |
148 switch (*cp) { | |
149 default: | |
150 st->print("%c", *cp); | |
151 break; | |
152 case '\n': | |
153 st->print(" -XX:%s=", name); | |
154 break; | |
155 } | |
0 | 156 } |
157 } | |
158 } else { | |
159 ShouldNotReachHere(); | |
160 } | |
161 } | |
162 | |
163 // 4991491 do not "optimize out" the was_set false values: omitting them | |
164 // tickles a Microsoft compiler bug causing flagTable to be malformed | |
165 | |
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166 #define RUNTIME_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product}", DEFAULT }, |
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167 #define RUNTIME_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{pd product}", DEFAULT }, |
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168 #define RUNTIME_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{diagnostic}", DEFAULT }, |
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169 #define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{experimental}", DEFAULT }, |
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170 #define RUNTIME_MANAGEABLE_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{manageable}", DEFAULT }, |
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171 #define RUNTIME_PRODUCT_RW_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product rw}", DEFAULT }, |
0 | 172 |
173 #ifdef PRODUCT | |
174 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
175 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
176 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
177 #else | |
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178 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "", DEFAULT }, |
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179 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{pd}", DEFAULT }, |
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180 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{notproduct}", DEFAULT }, |
0 | 181 #endif |
182 | |
113
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183 #ifdef _LP64 |
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184 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{lp64_product}", DEFAULT }, |
113
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185 #else |
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186 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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187 #endif // _LP64 |
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188 |
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189 #define C1_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 product}", DEFAULT }, |
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190 #define C1_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 pd product}", DEFAULT }, |
0 | 191 #ifdef PRODUCT |
192 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
193 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
194 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
195 #else | |
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196 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1}", DEFAULT }, |
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197 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C1 pd}", DEFAULT }, |
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198 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1 notproduct}", DEFAULT }, |
0 | 199 #endif |
200 | |
201 | |
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202 #define C2_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 product}", DEFAULT }, |
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203 #define C2_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 pd product}", DEFAULT }, |
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204 #define C2_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 diagnostic}", DEFAULT }, |
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205 #define C2_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 experimental}", DEFAULT }, |
0 | 206 #ifdef PRODUCT |
207 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
208 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
209 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
210 #else | |
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211 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2}", DEFAULT }, |
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212 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C2 pd}", DEFAULT }, |
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213 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2 notproduct}", DEFAULT }, |
0 | 214 #endif |
215 | |
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216 #define SHARK_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark product}", DEFAULT }, |
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217 #define SHARK_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark pd product}", DEFAULT }, |
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218 #define SHARK_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark diagnostic}", DEFAULT }, |
1692 | 219 #ifdef PRODUCT |
220 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
221 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
222 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
223 #else | |
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224 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark}", DEFAULT }, |
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225 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{Shark pd}", DEFAULT }, |
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226 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark notproduct}", DEFAULT }, |
1692 | 227 #endif |
0 | 228 |
229 static Flag flagTable[] = { | |
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230 RUNTIME_FLAGS(RUNTIME_DEVELOP_FLAG_STRUCT, RUNTIME_PD_DEVELOP_FLAG_STRUCT, RUNTIME_PRODUCT_FLAG_STRUCT, RUNTIME_PD_PRODUCT_FLAG_STRUCT, RUNTIME_DIAGNOSTIC_FLAG_STRUCT, RUNTIME_EXPERIMENTAL_FLAG_STRUCT, RUNTIME_NOTPRODUCT_FLAG_STRUCT, RUNTIME_MANAGEABLE_FLAG_STRUCT, RUNTIME_PRODUCT_RW_FLAG_STRUCT, RUNTIME_LP64_PRODUCT_FLAG_STRUCT) |
0 | 231 RUNTIME_OS_FLAGS(RUNTIME_DEVELOP_FLAG_STRUCT, RUNTIME_PD_DEVELOP_FLAG_STRUCT, RUNTIME_PRODUCT_FLAG_STRUCT, RUNTIME_PD_PRODUCT_FLAG_STRUCT, RUNTIME_DIAGNOSTIC_FLAG_STRUCT, RUNTIME_NOTPRODUCT_FLAG_STRUCT) |
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232 #ifndef SERIALGC |
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233 G1_FLAGS(RUNTIME_DEVELOP_FLAG_STRUCT, RUNTIME_PD_DEVELOP_FLAG_STRUCT, RUNTIME_PRODUCT_FLAG_STRUCT, RUNTIME_PD_PRODUCT_FLAG_STRUCT, RUNTIME_DIAGNOSTIC_FLAG_STRUCT, RUNTIME_EXPERIMENTAL_FLAG_STRUCT, RUNTIME_NOTPRODUCT_FLAG_STRUCT, RUNTIME_MANAGEABLE_FLAG_STRUCT, RUNTIME_PRODUCT_RW_FLAG_STRUCT) |
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234 #endif // SERIALGC |
0 | 235 #ifdef COMPILER1 |
236 C1_FLAGS(C1_DEVELOP_FLAG_STRUCT, C1_PD_DEVELOP_FLAG_STRUCT, C1_PRODUCT_FLAG_STRUCT, C1_PD_PRODUCT_FLAG_STRUCT, C1_NOTPRODUCT_FLAG_STRUCT) | |
237 #endif | |
238 #ifdef COMPILER2 | |
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239 C2_FLAGS(C2_DEVELOP_FLAG_STRUCT, C2_PD_DEVELOP_FLAG_STRUCT, C2_PRODUCT_FLAG_STRUCT, C2_PD_PRODUCT_FLAG_STRUCT, C2_DIAGNOSTIC_FLAG_STRUCT, C2_EXPERIMENTAL_FLAG_STRUCT, C2_NOTPRODUCT_FLAG_STRUCT) |
0 | 240 #endif |
1692 | 241 #ifdef SHARK |
242 SHARK_FLAGS(SHARK_DEVELOP_FLAG_STRUCT, SHARK_PD_DEVELOP_FLAG_STRUCT, SHARK_PRODUCT_FLAG_STRUCT, SHARK_PD_PRODUCT_FLAG_STRUCT, SHARK_DIAGNOSTIC_FLAG_STRUCT, SHARK_NOTPRODUCT_FLAG_STRUCT) | |
243 #endif | |
0 | 244 {0, NULL, NULL} |
245 }; | |
246 | |
247 Flag* Flag::flags = flagTable; | |
248 size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); | |
249 | |
250 inline bool str_equal(const char* s, char* q, size_t len) { | |
251 // s is null terminated, q is not! | |
252 if (strlen(s) != (unsigned int) len) return false; | |
253 return strncmp(s, q, len) == 0; | |
254 } | |
255 | |
256 Flag* Flag::find_flag(char* name, size_t length) { | |
257 for (Flag* current = &flagTable[0]; current->name; current++) { | |
258 if (str_equal(current->name, name, length)) { | |
259 if (!(current->is_unlocked() || current->is_unlocker())) { | |
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260 // disable use of diagnostic or experimental flags until they |
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261 // are explicitly unlocked |
0 | 262 return NULL; |
263 } | |
264 return current; | |
265 } | |
266 } | |
267 return NULL; | |
268 } | |
269 | |
270 // Returns the address of the index'th element | |
271 static Flag* address_of_flag(CommandLineFlagWithType flag) { | |
272 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
273 return &Flag::flags[flag]; | |
274 } | |
275 | |
276 bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { | |
277 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
278 Flag* f = &Flag::flags[flag]; | |
279 return (f->origin == DEFAULT); | |
280 } | |
281 | |
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282 bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
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283 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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284 Flag* f = &Flag::flags[flag]; |
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285 return (f->origin == ERGONOMIC); |
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286 } |
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287 |
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288 bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) { |
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289 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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290 Flag* f = &Flag::flags[flag]; |
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291 return (f->origin == COMMAND_LINE); |
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292 } |
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293 |
0 | 294 bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
295 Flag* result = Flag::find_flag((char*)name, strlen(name)); | |
296 if (result == NULL) return false; | |
297 *value = (result->origin == COMMAND_LINE); | |
298 return true; | |
299 } | |
300 | |
301 bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) { | |
302 Flag* result = Flag::find_flag(name, len); | |
303 if (result == NULL) return false; | |
304 if (!result->is_bool()) return false; | |
305 *value = result->get_bool(); | |
306 return true; | |
307 } | |
308 | |
309 bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin) { | |
310 Flag* result = Flag::find_flag(name, len); | |
311 if (result == NULL) return false; | |
312 if (!result->is_bool()) return false; | |
313 bool old_value = result->get_bool(); | |
314 result->set_bool(*value); | |
315 *value = old_value; | |
316 result->origin = origin; | |
317 return true; | |
318 } | |
319 | |
320 void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, FlagValueOrigin origin) { | |
321 Flag* faddr = address_of_flag(flag); | |
322 guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); | |
323 faddr->set_bool(value); | |
324 faddr->origin = origin; | |
325 } | |
326 | |
327 bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) { | |
328 Flag* result = Flag::find_flag(name, len); | |
329 if (result == NULL) return false; | |
330 if (!result->is_intx()) return false; | |
331 *value = result->get_intx(); | |
332 return true; | |
333 } | |
334 | |
335 bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin) { | |
336 Flag* result = Flag::find_flag(name, len); | |
337 if (result == NULL) return false; | |
338 if (!result->is_intx()) return false; | |
339 intx old_value = result->get_intx(); | |
340 result->set_intx(*value); | |
341 *value = old_value; | |
342 result->origin = origin; | |
343 return true; | |
344 } | |
345 | |
346 void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, FlagValueOrigin origin) { | |
347 Flag* faddr = address_of_flag(flag); | |
348 guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); | |
349 faddr->set_intx(value); | |
350 faddr->origin = origin; | |
351 } | |
352 | |
353 bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) { | |
354 Flag* result = Flag::find_flag(name, len); | |
355 if (result == NULL) return false; | |
356 if (!result->is_uintx()) return false; | |
357 *value = result->get_uintx(); | |
358 return true; | |
359 } | |
360 | |
361 bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin) { | |
362 Flag* result = Flag::find_flag(name, len); | |
363 if (result == NULL) return false; | |
364 if (!result->is_uintx()) return false; | |
365 uintx old_value = result->get_uintx(); | |
366 result->set_uintx(*value); | |
367 *value = old_value; | |
368 result->origin = origin; | |
369 return true; | |
370 } | |
371 | |
372 void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, FlagValueOrigin origin) { | |
373 Flag* faddr = address_of_flag(flag); | |
374 guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); | |
375 faddr->set_uintx(value); | |
376 faddr->origin = origin; | |
377 } | |
378 | |
1064 | 379 bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) { |
380 Flag* result = Flag::find_flag(name, len); | |
381 if (result == NULL) return false; | |
382 if (!result->is_uint64_t()) return false; | |
383 *value = result->get_uint64_t(); | |
384 return true; | |
385 } | |
386 | |
387 bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin) { | |
388 Flag* result = Flag::find_flag(name, len); | |
389 if (result == NULL) return false; | |
390 if (!result->is_uint64_t()) return false; | |
391 uint64_t old_value = result->get_uint64_t(); | |
392 result->set_uint64_t(*value); | |
393 *value = old_value; | |
394 result->origin = origin; | |
395 return true; | |
396 } | |
397 | |
398 void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, FlagValueOrigin origin) { | |
399 Flag* faddr = address_of_flag(flag); | |
400 guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type"); | |
401 faddr->set_uint64_t(value); | |
402 faddr->origin = origin; | |
403 } | |
404 | |
0 | 405 bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) { |
406 Flag* result = Flag::find_flag(name, len); | |
407 if (result == NULL) return false; | |
408 if (!result->is_double()) return false; | |
409 *value = result->get_double(); | |
410 return true; | |
411 } | |
412 | |
413 bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin) { | |
414 Flag* result = Flag::find_flag(name, len); | |
415 if (result == NULL) return false; | |
416 if (!result->is_double()) return false; | |
417 double old_value = result->get_double(); | |
418 result->set_double(*value); | |
419 *value = old_value; | |
420 result->origin = origin; | |
421 return true; | |
422 } | |
423 | |
424 void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, FlagValueOrigin origin) { | |
425 Flag* faddr = address_of_flag(flag); | |
426 guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); | |
427 faddr->set_double(value); | |
428 faddr->origin = origin; | |
429 } | |
430 | |
431 bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) { | |
432 Flag* result = Flag::find_flag(name, len); | |
433 if (result == NULL) return false; | |
434 if (!result->is_ccstr()) return false; | |
435 *value = result->get_ccstr(); | |
436 return true; | |
437 } | |
438 | |
439 // Contract: Flag will make private copy of the incoming value. | |
440 // Outgoing value is always malloc-ed, and caller MUST call free. | |
441 bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin) { | |
442 Flag* result = Flag::find_flag(name, len); | |
443 if (result == NULL) return false; | |
444 if (!result->is_ccstr()) return false; | |
445 ccstr old_value = result->get_ccstr(); | |
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446 char* new_value = NULL; |
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447 if (*value != NULL) { |
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448 new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1); |
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449 strcpy(new_value, *value); |
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450 } |
0 | 451 result->set_ccstr(new_value); |
452 if (result->origin == DEFAULT && old_value != NULL) { | |
453 // Prior value is NOT heap allocated, but was a literal constant. | |
454 char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1); | |
455 strcpy(old_value_to_free, old_value); | |
456 old_value = old_value_to_free; | |
457 } | |
458 *value = old_value; | |
459 result->origin = origin; | |
460 return true; | |
461 } | |
462 | |
463 // Contract: Flag will make private copy of the incoming value. | |
464 void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, FlagValueOrigin origin) { | |
465 Flag* faddr = address_of_flag(flag); | |
466 guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); | |
467 ccstr old_value = faddr->get_ccstr(); | |
468 char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1); | |
469 strcpy(new_value, value); | |
470 faddr->set_ccstr(new_value); | |
471 if (faddr->origin != DEFAULT && old_value != NULL) { | |
472 // Prior value is heap allocated so free it. | |
473 FREE_C_HEAP_ARRAY(char, old_value); | |
474 } | |
475 faddr->origin = origin; | |
476 } | |
477 | |
478 extern "C" { | |
479 static int compare_flags(const void* void_a, const void* void_b) { | |
480 return strcmp((*((Flag**) void_a))->name, (*((Flag**) void_b))->name); | |
481 } | |
482 } | |
483 | |
484 void CommandLineFlags::printSetFlags() { | |
485 // Print which flags were set on the command line | |
486 // note: this method is called before the thread structure is in place | |
487 // which means resource allocation cannot be used. | |
488 | |
489 // Compute size | |
490 int length= 0; | |
491 while (flagTable[length].name != NULL) length++; | |
492 | |
493 // Sort | |
494 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length); | |
495 for (int index = 0; index < length; index++) { | |
496 array[index] = &flagTable[index]; | |
497 } | |
498 qsort(array, length, sizeof(Flag*), compare_flags); | |
499 | |
500 // Print | |
501 for (int i = 0; i < length; i++) { | |
502 if (array[i]->origin /* naked field! */) { | |
503 array[i]->print_as_flag(tty); | |
504 tty->print(" "); | |
505 } | |
506 } | |
507 tty->cr(); | |
508 FREE_C_HEAP_ARRAY(Flag*, array); | |
509 } | |
510 | |
511 #ifndef PRODUCT | |
512 | |
513 | |
514 void CommandLineFlags::verify() { | |
515 assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); | |
516 } | |
517 | |
1150 | 518 #endif // PRODUCT |
519 | |
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520 void CommandLineFlags::printFlags(bool withComments) { |
0 | 521 // Print the flags sorted by name |
522 // note: this method is called before the thread structure is in place | |
523 // which means resource allocation cannot be used. | |
524 | |
525 // Compute size | |
526 int length= 0; | |
527 while (flagTable[length].name != NULL) length++; | |
528 | |
529 // Sort | |
530 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length); | |
531 for (int index = 0; index < length; index++) { | |
532 array[index] = &flagTable[index]; | |
533 } | |
534 qsort(array, length, sizeof(Flag*), compare_flags); | |
535 | |
536 // Print | |
537 tty->print_cr("[Global flags]"); | |
538 for (int i = 0; i < length; i++) { | |
539 if (array[i]->is_unlocked()) { | |
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540 array[i]->print_on(tty, withComments); |
0 | 541 } |
542 } | |
543 FREE_C_HEAP_ARRAY(Flag*, array); | |
544 } |