Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/globals.cpp @ 9809:a8a5d5832def
first step towards extensibility of the escape analysis phase
author | Lukas Stadler <lukas.stadler@jku.at> |
---|---|
date | Fri, 17 May 2013 16:47:13 +0200 |
parents | 5fc51c1ecdeb |
children | 6b0fd0964b87 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2013, 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" | |
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32 #include "utilities/macros.hpp" |
1972 | 33 #include "utilities/top.hpp" |
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34 #if INCLUDE_ALL_GCS |
1972 | 35 #include "gc_implementation/g1/g1_globals.hpp" |
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36 #endif // INCLUDE_ALL_GCS |
1972 | 37 #ifdef COMPILER1 |
38 #include "c1/c1_globals.hpp" | |
39 #endif | |
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40 #ifdef GRAAL |
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41 #include "graal/graalGlobals.hpp" |
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42 #endif |
1972 | 43 #ifdef COMPILER2 |
44 #include "opto/c2_globals.hpp" | |
45 #endif | |
46 #ifdef SHARK | |
47 #include "shark/shark_globals.hpp" | |
48 #endif | |
0 | 49 |
50 RUNTIME_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ | |
51 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ | |
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52 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
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53 MATERIALIZE_NOTPRODUCT_FLAG, \ |
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54 MATERIALIZE_MANAGEABLE_FLAG, MATERIALIZE_PRODUCT_RW_FLAG, \ |
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55 MATERIALIZE_LP64_PRODUCT_FLAG) |
0 | 56 |
57 RUNTIME_OS_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ | |
58 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ | |
59 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_NOTPRODUCT_FLAG) | |
60 | |
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61 ARCH_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PRODUCT_FLAG, \ |
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62 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
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63 MATERIALIZE_NOTPRODUCT_FLAG) |
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64 |
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65 MATERIALIZE_FLAGS_EXT |
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66 |
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67 |
0 | 68 bool Flag::is_unlocker() const { |
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69 return strcmp(name, "UnlockDiagnosticVMOptions") == 0 || |
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70 strcmp(name, "UnlockExperimentalVMOptions") == 0 || |
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71 is_unlocker_ext(); |
0 | 72 } |
73 | |
74 bool Flag::is_unlocked() const { | |
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75 if (strcmp(kind, "{diagnostic}") == 0 || |
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76 strcmp(kind, "{C2 diagnostic}") == 0 || |
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77 strcmp(kind, "{ARCH diagnostic}") == 0 || |
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78 strcmp(kind, "{Shark diagnostic}") == 0) { |
2460 | 79 if (strcmp(name, "EnableInvokeDynamic") == 0 && UnlockExperimentalVMOptions && !UnlockDiagnosticVMOptions) { |
80 // transitional logic to allow tests to run until they are changed | |
81 static int warned; | |
82 if (++warned == 1) warning("Use -XX:+UnlockDiagnosticVMOptions before EnableInvokeDynamic flag"); | |
83 return true; | |
84 } | |
0 | 85 return UnlockDiagnosticVMOptions; |
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86 } else if (strcmp(kind, "{experimental}") == 0 || |
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87 strcmp(kind, "{C2 experimental}") == 0 || |
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88 strcmp(kind, "{ARCH experimental}") == 0 || |
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89 strcmp(kind, "{Shark experimental}") == 0) { |
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90 return UnlockExperimentalVMOptions; |
0 | 91 } else { |
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92 return is_unlocked_ext(); |
0 | 93 } |
94 } | |
95 | |
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96 // Get custom message for this locked flag, or return NULL if |
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97 // none is available. |
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98 void Flag::get_locked_message(char* buf, int buflen) const { |
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99 get_locked_message_ext(buf, buflen); |
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100 } |
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101 |
0 | 102 bool Flag::is_writeable() const { |
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103 return strcmp(kind, "{manageable}") == 0 || |
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104 strcmp(kind, "{product rw}") == 0 || |
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105 is_writeable_ext(); |
0 | 106 } |
107 | |
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108 // All flags except "manageable" are assumed to be internal flags. |
0 | 109 // Long term, we need to define a mechanism to specify which flags |
110 // are external/stable and change this function accordingly. | |
111 bool Flag::is_external() const { | |
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112 return strcmp(kind, "{manageable}") == 0 || is_external_ext(); |
0 | 113 } |
114 | |
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115 |
0 | 116 // Length of format string (e.g. "%.1234s") for printing ccstr below |
117 #define FORMAT_BUFFER_LEN 16 | |
118 | |
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119 void Flag::print_on(outputStream* st, bool withComments) { |
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120 st->print("%9s %-40s %c= ", type, name, (origin != DEFAULT ? ':' : ' ')); |
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121 if (is_bool()) st->print("%-16s", get_bool() ? "true" : "false"); |
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122 if (is_intx()) st->print("%-16ld", get_intx()); |
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123 if (is_uintx()) st->print("%-16lu", get_uintx()); |
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124 if (is_uint64_t()) st->print("%-16lu", get_uint64_t()); |
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125 if (is_double()) st->print("%-16f", get_double()); |
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126 |
0 | 127 if (is_ccstr()) { |
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128 const char* cp = get_ccstr(); |
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129 if (cp != NULL) { |
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130 const char* eol; |
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131 while ((eol = strchr(cp, '\n')) != NULL) { |
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132 char format_buffer[FORMAT_BUFFER_LEN]; |
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133 size_t llen = pointer_delta(eol, cp, sizeof(char)); |
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134 jio_snprintf(format_buffer, FORMAT_BUFFER_LEN, |
103 | 135 "%%." SIZE_FORMAT "s", llen); |
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136 st->print(format_buffer, cp); |
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137 st->cr(); |
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138 cp = eol+1; |
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139 st->print("%5s %-35s += ", "", name); |
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140 } |
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141 st->print("%-16s", cp); |
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142 } |
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143 else st->print("%-16s", ""); |
0 | 144 } |
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145 st->print("%-20s", kind); |
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146 if (withComments) { |
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147 #ifndef PRODUCT |
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148 st->print("%s", doc ); |
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149 #endif |
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150 } |
0 | 151 st->cr(); |
152 } | |
153 | |
154 void Flag::print_as_flag(outputStream* st) { | |
155 if (is_bool()) { | |
156 st->print("-XX:%s%s", get_bool() ? "+" : "-", name); | |
157 } else if (is_intx()) { | |
158 st->print("-XX:%s=" INTX_FORMAT, name, get_intx()); | |
159 } else if (is_uintx()) { | |
160 st->print("-XX:%s=" UINTX_FORMAT, name, get_uintx()); | |
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161 } else if (is_uint64_t()) { |
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162 st->print("-XX:%s=" UINT64_FORMAT, name, get_uint64_t()); |
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163 } else if (is_double()) { |
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164 st->print("-XX:%s=%f", name, get_double()); |
0 | 165 } else if (is_ccstr()) { |
166 st->print("-XX:%s=", name); | |
103 | 167 const char* cp = get_ccstr(); |
168 if (cp != NULL) { | |
169 // Need to turn embedded '\n's back into separate arguments | |
170 // Not so efficient to print one character at a time, | |
171 // but the choice is to do the transformation to a buffer | |
172 // and print that. And this need not be efficient. | |
173 for (; *cp != '\0'; cp += 1) { | |
174 switch (*cp) { | |
175 default: | |
176 st->print("%c", *cp); | |
177 break; | |
178 case '\n': | |
179 st->print(" -XX:%s=", name); | |
180 break; | |
181 } | |
0 | 182 } |
183 } | |
184 } else { | |
185 ShouldNotReachHere(); | |
186 } | |
187 } | |
188 | |
189 // 4991491 do not "optimize out" the was_set false values: omitting them | |
190 // tickles a Microsoft compiler bug causing flagTable to be malformed | |
191 | |
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192 #define RUNTIME_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product}", DEFAULT }, |
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193 #define RUNTIME_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{pd product}", DEFAULT }, |
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194 #define RUNTIME_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{diagnostic}", DEFAULT }, |
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195 #define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{experimental}", DEFAULT }, |
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196 #define RUNTIME_MANAGEABLE_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{manageable}", DEFAULT }, |
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197 #define RUNTIME_PRODUCT_RW_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product rw}", DEFAULT }, |
0 | 198 |
199 #ifdef PRODUCT | |
200 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
201 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
202 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
203 #else | |
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204 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "", DEFAULT }, |
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205 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{pd}", DEFAULT }, |
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206 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{notproduct}", DEFAULT }, |
0 | 207 #endif |
208 | |
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209 #ifdef _LP64 |
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210 #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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211 #else |
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212 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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213 #endif // _LP64 |
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214 |
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215 #define C1_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 product}", DEFAULT }, |
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216 #define C1_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 pd product}", DEFAULT }, |
0 | 217 #ifdef PRODUCT |
218 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
219 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
220 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
221 #else | |
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222 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1}", DEFAULT }, |
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223 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C1 pd}", DEFAULT }, |
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224 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1 notproduct}", DEFAULT }, |
0 | 225 #endif |
226 | |
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227 #define GRAAL_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Graal product}", DEFAULT }, |
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228 #define GRAAL_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Graal pd product}", DEFAULT }, |
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229 #ifdef PRODUCT |
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230 #define GRAAL_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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231 #define GRAAL_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ |
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232 #define GRAAL_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
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233 #else |
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234 #define GRAAL_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Graal}", DEFAULT }, |
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235 #define GRAAL_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{Graal pd}", DEFAULT }, |
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236 #define GRAAL_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Graal notproduct}", DEFAULT }, |
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237 #endif |
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238 |
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239 #define C2_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 product}", DEFAULT }, |
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240 #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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241 #define C2_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 diagnostic}", DEFAULT }, |
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242 #define C2_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 experimental}", DEFAULT }, |
0 | 243 #ifdef PRODUCT |
244 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
245 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
246 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
247 #else | |
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248 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2}", DEFAULT }, |
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249 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C2 pd}", DEFAULT }, |
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250 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2 notproduct}", DEFAULT }, |
0 | 251 #endif |
252 | |
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253 #define ARCH_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH product}", DEFAULT }, |
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254 #define ARCH_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH diagnostic}", DEFAULT }, |
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255 #define ARCH_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH experimental}", DEFAULT }, |
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256 #ifdef PRODUCT |
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257 #define ARCH_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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258 #define ARCH_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
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259 #else |
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260 #define ARCH_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{ARCH}", DEFAULT }, |
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261 #define ARCH_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{ARCH notproduct}", DEFAULT }, |
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262 #endif |
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263 |
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264 #define SHARK_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark product}", DEFAULT }, |
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265 #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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266 #define SHARK_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark diagnostic}", DEFAULT }, |
1692 | 267 #ifdef PRODUCT |
268 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
269 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
270 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
271 #else | |
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272 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark}", DEFAULT }, |
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273 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{Shark pd}", DEFAULT }, |
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274 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark notproduct}", DEFAULT }, |
1692 | 275 #endif |
0 | 276 |
277 static Flag flagTable[] = { | |
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278 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 | 279 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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280 #if INCLUDE_ALL_GCS |
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281 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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282 #endif // INCLUDE_ALL_GCS |
0 | 283 #ifdef COMPILER1 |
284 C1_FLAGS(C1_DEVELOP_FLAG_STRUCT, C1_PD_DEVELOP_FLAG_STRUCT, C1_PRODUCT_FLAG_STRUCT, C1_PD_PRODUCT_FLAG_STRUCT, C1_NOTPRODUCT_FLAG_STRUCT) | |
285 #endif | |
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286 #ifdef GRAAL |
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287 GRAAL_FLAGS(GRAAL_DEVELOP_FLAG_STRUCT, GRAAL_PD_DEVELOP_FLAG_STRUCT, GRAAL_PRODUCT_FLAG_STRUCT, GRAAL_PD_PRODUCT_FLAG_STRUCT, GRAAL_NOTPRODUCT_FLAG_STRUCT) |
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288 #endif |
0 | 289 #ifdef COMPILER2 |
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290 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 | 291 #endif |
1692 | 292 #ifdef SHARK |
293 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) | |
294 #endif | |
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295 ARCH_FLAGS(ARCH_DEVELOP_FLAG_STRUCT, ARCH_PRODUCT_FLAG_STRUCT, ARCH_DIAGNOSTIC_FLAG_STRUCT, ARCH_EXPERIMENTAL_FLAG_STRUCT, ARCH_NOTPRODUCT_FLAG_STRUCT) |
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296 FLAGTABLE_EXT |
0 | 297 {0, NULL, NULL} |
298 }; | |
299 | |
300 Flag* Flag::flags = flagTable; | |
301 size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); | |
302 | |
303 inline bool str_equal(const char* s, char* q, size_t len) { | |
304 // s is null terminated, q is not! | |
305 if (strlen(s) != (unsigned int) len) return false; | |
306 return strncmp(s, q, len) == 0; | |
307 } | |
308 | |
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309 // Search the flag table for a named flag |
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310 Flag* Flag::find_flag(char* name, size_t length, bool allow_locked) { |
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311 for (Flag* current = &flagTable[0]; current->name != NULL; current++) { |
0 | 312 if (str_equal(current->name, name, length)) { |
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313 // Found a matching entry. Report locked flags only if allowed. |
0 | 314 if (!(current->is_unlocked() || current->is_unlocker())) { |
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315 if (!allow_locked) { |
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316 // disable use of locked flags, e.g. diagnostic, experimental, |
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317 // commercial... until they are explicitly unlocked |
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318 return NULL; |
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319 } |
0 | 320 } |
321 return current; | |
322 } | |
323 } | |
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324 // Flag name is not in the flag table |
0 | 325 return NULL; |
326 } | |
327 | |
328 // Returns the address of the index'th element | |
329 static Flag* address_of_flag(CommandLineFlagWithType flag) { | |
330 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
331 return &Flag::flags[flag]; | |
332 } | |
333 | |
334 bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { | |
335 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
336 Flag* f = &Flag::flags[flag]; | |
337 return (f->origin == DEFAULT); | |
338 } | |
339 | |
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340 bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
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341 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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342 Flag* f = &Flag::flags[flag]; |
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343 return (f->origin == ERGONOMIC); |
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344 } |
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345 |
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346 bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) { |
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347 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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348 Flag* f = &Flag::flags[flag]; |
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349 return (f->origin == COMMAND_LINE); |
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350 } |
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351 |
0 | 352 bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
353 Flag* result = Flag::find_flag((char*)name, strlen(name)); | |
354 if (result == NULL) return false; | |
355 *value = (result->origin == COMMAND_LINE); | |
356 return true; | |
357 } | |
358 | |
359 bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) { | |
360 Flag* result = Flag::find_flag(name, len); | |
361 if (result == NULL) return false; | |
362 if (!result->is_bool()) return false; | |
363 *value = result->get_bool(); | |
364 return true; | |
365 } | |
366 | |
367 bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin) { | |
368 Flag* result = Flag::find_flag(name, len); | |
369 if (result == NULL) return false; | |
370 if (!result->is_bool()) return false; | |
371 bool old_value = result->get_bool(); | |
372 result->set_bool(*value); | |
373 *value = old_value; | |
374 result->origin = origin; | |
375 return true; | |
376 } | |
377 | |
378 void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, FlagValueOrigin origin) { | |
379 Flag* faddr = address_of_flag(flag); | |
380 guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); | |
381 faddr->set_bool(value); | |
382 faddr->origin = origin; | |
383 } | |
384 | |
385 bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) { | |
386 Flag* result = Flag::find_flag(name, len); | |
387 if (result == NULL) return false; | |
388 if (!result->is_intx()) return false; | |
389 *value = result->get_intx(); | |
390 return true; | |
391 } | |
392 | |
393 bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin) { | |
394 Flag* result = Flag::find_flag(name, len); | |
395 if (result == NULL) return false; | |
396 if (!result->is_intx()) return false; | |
397 intx old_value = result->get_intx(); | |
398 result->set_intx(*value); | |
399 *value = old_value; | |
400 result->origin = origin; | |
401 return true; | |
402 } | |
403 | |
404 void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, FlagValueOrigin origin) { | |
405 Flag* faddr = address_of_flag(flag); | |
406 guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); | |
407 faddr->set_intx(value); | |
408 faddr->origin = origin; | |
409 } | |
410 | |
411 bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) { | |
412 Flag* result = Flag::find_flag(name, len); | |
413 if (result == NULL) return false; | |
414 if (!result->is_uintx()) return false; | |
415 *value = result->get_uintx(); | |
416 return true; | |
417 } | |
418 | |
419 bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin) { | |
420 Flag* result = Flag::find_flag(name, len); | |
421 if (result == NULL) return false; | |
422 if (!result->is_uintx()) return false; | |
423 uintx old_value = result->get_uintx(); | |
424 result->set_uintx(*value); | |
425 *value = old_value; | |
426 result->origin = origin; | |
427 return true; | |
428 } | |
429 | |
430 void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, FlagValueOrigin origin) { | |
431 Flag* faddr = address_of_flag(flag); | |
432 guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); | |
433 faddr->set_uintx(value); | |
434 faddr->origin = origin; | |
435 } | |
436 | |
1064 | 437 bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) { |
438 Flag* result = Flag::find_flag(name, len); | |
439 if (result == NULL) return false; | |
440 if (!result->is_uint64_t()) return false; | |
441 *value = result->get_uint64_t(); | |
442 return true; | |
443 } | |
444 | |
445 bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin) { | |
446 Flag* result = Flag::find_flag(name, len); | |
447 if (result == NULL) return false; | |
448 if (!result->is_uint64_t()) return false; | |
449 uint64_t old_value = result->get_uint64_t(); | |
450 result->set_uint64_t(*value); | |
451 *value = old_value; | |
452 result->origin = origin; | |
453 return true; | |
454 } | |
455 | |
456 void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, FlagValueOrigin origin) { | |
457 Flag* faddr = address_of_flag(flag); | |
458 guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type"); | |
459 faddr->set_uint64_t(value); | |
460 faddr->origin = origin; | |
461 } | |
462 | |
0 | 463 bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) { |
464 Flag* result = Flag::find_flag(name, len); | |
465 if (result == NULL) return false; | |
466 if (!result->is_double()) return false; | |
467 *value = result->get_double(); | |
468 return true; | |
469 } | |
470 | |
471 bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin) { | |
472 Flag* result = Flag::find_flag(name, len); | |
473 if (result == NULL) return false; | |
474 if (!result->is_double()) return false; | |
475 double old_value = result->get_double(); | |
476 result->set_double(*value); | |
477 *value = old_value; | |
478 result->origin = origin; | |
479 return true; | |
480 } | |
481 | |
482 void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, FlagValueOrigin origin) { | |
483 Flag* faddr = address_of_flag(flag); | |
484 guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); | |
485 faddr->set_double(value); | |
486 faddr->origin = origin; | |
487 } | |
488 | |
489 bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) { | |
490 Flag* result = Flag::find_flag(name, len); | |
491 if (result == NULL) return false; | |
492 if (!result->is_ccstr()) return false; | |
493 *value = result->get_ccstr(); | |
494 return true; | |
495 } | |
496 | |
497 // Contract: Flag will make private copy of the incoming value. | |
498 // Outgoing value is always malloc-ed, and caller MUST call free. | |
499 bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin) { | |
500 Flag* result = Flag::find_flag(name, len); | |
501 if (result == NULL) return false; | |
502 if (!result->is_ccstr()) return false; | |
503 ccstr old_value = result->get_ccstr(); | |
370
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504 char* new_value = NULL; |
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505 if (*value != NULL) { |
6197 | 506 new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1, mtInternal); |
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507 strcpy(new_value, *value); |
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508 } |
0 | 509 result->set_ccstr(new_value); |
510 if (result->origin == DEFAULT && old_value != NULL) { | |
511 // Prior value is NOT heap allocated, but was a literal constant. | |
6197 | 512 char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1, mtInternal); |
0 | 513 strcpy(old_value_to_free, old_value); |
514 old_value = old_value_to_free; | |
515 } | |
516 *value = old_value; | |
517 result->origin = origin; | |
518 return true; | |
519 } | |
520 | |
521 // Contract: Flag will make private copy of the incoming value. | |
522 void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, FlagValueOrigin origin) { | |
523 Flag* faddr = address_of_flag(flag); | |
524 guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); | |
525 ccstr old_value = faddr->get_ccstr(); | |
6197 | 526 char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1, mtInternal); |
0 | 527 strcpy(new_value, value); |
528 faddr->set_ccstr(new_value); | |
529 if (faddr->origin != DEFAULT && old_value != NULL) { | |
530 // Prior value is heap allocated so free it. | |
6197 | 531 FREE_C_HEAP_ARRAY(char, old_value, mtInternal); |
0 | 532 } |
533 faddr->origin = origin; | |
534 } | |
535 | |
536 extern "C" { | |
537 static int compare_flags(const void* void_a, const void* void_b) { | |
538 return strcmp((*((Flag**) void_a))->name, (*((Flag**) void_b))->name); | |
539 } | |
540 } | |
541 | |
4773 | 542 void CommandLineFlags::printSetFlags(outputStream* out) { |
0 | 543 // Print which flags were set on the command line |
544 // note: this method is called before the thread structure is in place | |
545 // which means resource allocation cannot be used. | |
546 | |
547 // Compute size | |
548 int length= 0; | |
549 while (flagTable[length].name != NULL) length++; | |
550 | |
551 // Sort | |
6197 | 552 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
0 | 553 for (int index = 0; index < length; index++) { |
554 array[index] = &flagTable[index]; | |
555 } | |
556 qsort(array, length, sizeof(Flag*), compare_flags); | |
557 | |
558 // Print | |
559 for (int i = 0; i < length; i++) { | |
560 if (array[i]->origin /* naked field! */) { | |
4773 | 561 array[i]->print_as_flag(out); |
562 out->print(" "); | |
0 | 563 } |
564 } | |
4773 | 565 out->cr(); |
6197 | 566 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 567 } |
568 | |
569 #ifndef PRODUCT | |
570 | |
571 | |
572 void CommandLineFlags::verify() { | |
573 assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); | |
574 } | |
575 | |
1150 | 576 #endif // PRODUCT |
577 | |
4773 | 578 void CommandLineFlags::printFlags(outputStream* out, bool withComments) { |
0 | 579 // Print the flags sorted by name |
580 // note: this method is called before the thread structure is in place | |
581 // which means resource allocation cannot be used. | |
582 | |
583 // Compute size | |
584 int length= 0; | |
585 while (flagTable[length].name != NULL) length++; | |
586 | |
587 // Sort | |
6197 | 588 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
0 | 589 for (int index = 0; index < length; index++) { |
590 array[index] = &flagTable[index]; | |
591 } | |
592 qsort(array, length, sizeof(Flag*), compare_flags); | |
593 | |
594 // Print | |
4773 | 595 out->print_cr("[Global flags]"); |
0 | 596 for (int i = 0; i < length; i++) { |
597 if (array[i]->is_unlocked()) { | |
4773 | 598 array[i]->print_on(out, withComments); |
0 | 599 } |
600 } | |
6197 | 601 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 602 } |