Mercurial > hg > truffle
annotate src/share/vm/runtime/globals.cpp @ 5947:80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
Summary: Provide custom error messages for locked commercial feature options which are not first unlocked.
Reviewed-by: dcubed, jcoomes, kamg
Contributed-by: james.melvin@oracle.com
| author | jmelvin |
|---|---|
| date | Tue, 20 Mar 2012 16:46:39 -0400 |
| parents | 4f25538b54c9 |
| children | f47478089efc |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2012, 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 | |
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58 MATERIALIZE_FLAGS_EXT |
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59 |
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60 |
| 0 | 61 bool Flag::is_unlocker() const { |
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62 return strcmp(name, "UnlockDiagnosticVMOptions") == 0 || |
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63 strcmp(name, "UnlockExperimentalVMOptions") == 0 || |
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64 is_unlocker_ext(); |
| 0 | 65 } |
| 66 | |
| 67 bool Flag::is_unlocked() const { | |
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68 if (strcmp(kind, "{diagnostic}") == 0) { |
| 2460 | 69 if (strcmp(name, "EnableInvokeDynamic") == 0 && UnlockExperimentalVMOptions && !UnlockDiagnosticVMOptions) { |
| 70 // transitional logic to allow tests to run until they are changed | |
| 71 static int warned; | |
| 72 if (++warned == 1) warning("Use -XX:+UnlockDiagnosticVMOptions before EnableInvokeDynamic flag"); | |
| 73 return true; | |
| 74 } | |
| 0 | 75 return UnlockDiagnosticVMOptions; |
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76 } else if (strcmp(kind, "{experimental}") == 0 || |
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77 strcmp(kind, "{C2 experimental}") == 0) { |
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78 return UnlockExperimentalVMOptions; |
| 0 | 79 } else { |
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80 return is_unlocked_ext(); |
| 0 | 81 } |
| 82 } | |
| 83 | |
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84 // Get custom message for this locked flag, or return NULL if |
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85 // none is available. |
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86 void Flag::get_locked_message(char* buf, int buflen) const { |
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87 get_locked_message_ext(buf, buflen); |
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88 } |
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89 |
| 0 | 90 bool Flag::is_writeable() const { |
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91 return strcmp(kind, "{manageable}") == 0 || |
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92 strcmp(kind, "{product rw}") == 0 || |
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93 is_writeable_ext(); |
| 0 | 94 } |
| 95 | |
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96 // All flags except "manageable" are assumed to be internal flags. |
| 0 | 97 // Long term, we need to define a mechanism to specify which flags |
| 98 // are external/stable and change this function accordingly. | |
| 99 bool Flag::is_external() const { | |
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100 return strcmp(kind, "{manageable}") == 0 || is_external_ext(); |
| 0 | 101 } |
| 102 | |
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103 |
| 0 | 104 // Length of format string (e.g. "%.1234s") for printing ccstr below |
| 105 #define FORMAT_BUFFER_LEN 16 | |
| 106 | |
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107 void Flag::print_on(outputStream* st, bool withComments) { |
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108 st->print("%9s %-40s %c= ", type, name, (origin != DEFAULT ? ':' : ' ')); |
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109 if (is_bool()) st->print("%-16s", get_bool() ? "true" : "false"); |
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110 if (is_intx()) st->print("%-16ld", get_intx()); |
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111 if (is_uintx()) st->print("%-16lu", get_uintx()); |
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112 if (is_uint64_t()) st->print("%-16lu", get_uint64_t()); |
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113 if (is_double()) st->print("%-16f", get_double()); |
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114 |
| 0 | 115 if (is_ccstr()) { |
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116 const char* cp = get_ccstr(); |
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117 if (cp != NULL) { |
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118 const char* eol; |
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119 while ((eol = strchr(cp, '\n')) != NULL) { |
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120 char format_buffer[FORMAT_BUFFER_LEN]; |
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121 size_t llen = pointer_delta(eol, cp, sizeof(char)); |
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122 jio_snprintf(format_buffer, FORMAT_BUFFER_LEN, |
| 103 | 123 "%%." SIZE_FORMAT "s", llen); |
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124 st->print(format_buffer, cp); |
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125 st->cr(); |
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126 cp = eol+1; |
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127 st->print("%5s %-35s += ", "", name); |
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128 } |
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129 st->print("%-16s", cp); |
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130 } |
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131 else st->print("%-16s", ""); |
| 0 | 132 } |
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133 st->print("%-20s", kind); |
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134 if (withComments) { |
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135 #ifndef PRODUCT |
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136 st->print("%s", doc ); |
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137 #endif |
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138 } |
| 0 | 139 st->cr(); |
| 140 } | |
| 141 | |
| 142 void Flag::print_as_flag(outputStream* st) { | |
| 143 if (is_bool()) { | |
| 144 st->print("-XX:%s%s", get_bool() ? "+" : "-", name); | |
| 145 } else if (is_intx()) { | |
| 146 st->print("-XX:%s=" INTX_FORMAT, name, get_intx()); | |
| 147 } else if (is_uintx()) { | |
| 148 st->print("-XX:%s=" UINTX_FORMAT, name, get_uintx()); | |
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149 } else if (is_uint64_t()) { |
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150 st->print("-XX:%s=" UINT64_FORMAT, name, get_uint64_t()); |
| 0 | 151 } else if (is_ccstr()) { |
| 152 st->print("-XX:%s=", name); | |
| 103 | 153 const char* cp = get_ccstr(); |
| 154 if (cp != NULL) { | |
| 155 // Need to turn embedded '\n's back into separate arguments | |
| 156 // Not so efficient to print one character at a time, | |
| 157 // but the choice is to do the transformation to a buffer | |
| 158 // and print that. And this need not be efficient. | |
| 159 for (; *cp != '\0'; cp += 1) { | |
| 160 switch (*cp) { | |
| 161 default: | |
| 162 st->print("%c", *cp); | |
| 163 break; | |
| 164 case '\n': | |
| 165 st->print(" -XX:%s=", name); | |
| 166 break; | |
| 167 } | |
| 0 | 168 } |
| 169 } | |
| 170 } else { | |
| 171 ShouldNotReachHere(); | |
| 172 } | |
| 173 } | |
| 174 | |
| 175 // 4991491 do not "optimize out" the was_set false values: omitting them | |
| 176 // tickles a Microsoft compiler bug causing flagTable to be malformed | |
| 177 | |
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178 #define RUNTIME_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product}", DEFAULT }, |
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179 #define RUNTIME_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{pd product}", DEFAULT }, |
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180 #define RUNTIME_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{diagnostic}", DEFAULT }, |
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181 #define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{experimental}", DEFAULT }, |
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182 #define RUNTIME_MANAGEABLE_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{manageable}", DEFAULT }, |
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183 #define RUNTIME_PRODUCT_RW_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product rw}", DEFAULT }, |
| 0 | 184 |
| 185 #ifdef PRODUCT | |
| 186 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
| 187 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
| 188 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
| 189 #else | |
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190 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "", DEFAULT }, |
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191 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{pd}", DEFAULT }, |
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192 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{notproduct}", DEFAULT }, |
| 0 | 193 #endif |
| 194 | |
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195 #ifdef _LP64 |
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196 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{lp64_product}", DEFAULT }, |
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197 #else |
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198 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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199 #endif // _LP64 |
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200 |
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201 #define C1_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 product}", DEFAULT }, |
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202 #define C1_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 pd product}", DEFAULT }, |
| 0 | 203 #ifdef PRODUCT |
| 204 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
| 205 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
| 206 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
| 207 #else | |
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208 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1}", DEFAULT }, |
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209 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C1 pd}", DEFAULT }, |
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210 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1 notproduct}", DEFAULT }, |
| 0 | 211 #endif |
| 212 | |
| 213 | |
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214 #define C2_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 product}", DEFAULT }, |
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215 #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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216 #define C2_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 diagnostic}", DEFAULT }, |
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217 #define C2_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 experimental}", DEFAULT }, |
| 0 | 218 #ifdef PRODUCT |
| 219 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
| 220 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
| 221 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
| 222 #else | |
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223 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2}", DEFAULT }, |
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224 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C2 pd}", DEFAULT }, |
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225 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2 notproduct}", DEFAULT }, |
| 0 | 226 #endif |
| 227 | |
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228 #define SHARK_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark product}", DEFAULT }, |
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229 #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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230 #define SHARK_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark diagnostic}", DEFAULT }, |
| 1692 | 231 #ifdef PRODUCT |
| 232 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
| 233 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
| 234 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
| 235 #else | |
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236 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark}", DEFAULT }, |
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237 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{Shark pd}", DEFAULT }, |
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238 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark notproduct}", DEFAULT }, |
| 1692 | 239 #endif |
| 0 | 240 |
| 241 static Flag flagTable[] = { | |
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242 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 | 243 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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244 #ifndef SERIALGC |
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245 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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246 #endif // SERIALGC |
| 0 | 247 #ifdef COMPILER1 |
| 248 C1_FLAGS(C1_DEVELOP_FLAG_STRUCT, C1_PD_DEVELOP_FLAG_STRUCT, C1_PRODUCT_FLAG_STRUCT, C1_PD_PRODUCT_FLAG_STRUCT, C1_NOTPRODUCT_FLAG_STRUCT) | |
| 249 #endif | |
| 250 #ifdef COMPILER2 | |
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251 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 | 252 #endif |
| 1692 | 253 #ifdef SHARK |
| 254 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) | |
| 255 #endif | |
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256 FLAGTABLE_EXT |
| 0 | 257 {0, NULL, NULL} |
| 258 }; | |
| 259 | |
| 260 Flag* Flag::flags = flagTable; | |
| 261 size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); | |
| 262 | |
| 263 inline bool str_equal(const char* s, char* q, size_t len) { | |
| 264 // s is null terminated, q is not! | |
| 265 if (strlen(s) != (unsigned int) len) return false; | |
| 266 return strncmp(s, q, len) == 0; | |
| 267 } | |
| 268 | |
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269 // Search the flag table for a named flag |
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270 Flag* Flag::find_flag(char* name, size_t length, bool allow_locked) { |
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271 for (Flag* current = &flagTable[0]; current->name != NULL; current++) { |
| 0 | 272 if (str_equal(current->name, name, length)) { |
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273 // Found a matching entry. Report locked flags only if allowed. |
| 0 | 274 if (!(current->is_unlocked() || current->is_unlocker())) { |
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275 if (!allow_locked) { |
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276 // disable use of locked flags, e.g. diagnostic, experimental, |
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277 // commercial... until they are explicitly unlocked |
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278 return NULL; |
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279 } |
| 0 | 280 } |
| 281 return current; | |
| 282 } | |
| 283 } | |
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284 // Flag name is not in the flag table |
| 0 | 285 return NULL; |
| 286 } | |
| 287 | |
| 288 // Returns the address of the index'th element | |
| 289 static Flag* address_of_flag(CommandLineFlagWithType flag) { | |
| 290 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
| 291 return &Flag::flags[flag]; | |
| 292 } | |
| 293 | |
| 294 bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { | |
| 295 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
| 296 Flag* f = &Flag::flags[flag]; | |
| 297 return (f->origin == DEFAULT); | |
| 298 } | |
| 299 | |
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300 bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
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301 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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302 Flag* f = &Flag::flags[flag]; |
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303 return (f->origin == ERGONOMIC); |
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304 } |
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305 |
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306 bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) { |
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307 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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308 Flag* f = &Flag::flags[flag]; |
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309 return (f->origin == COMMAND_LINE); |
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310 } |
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311 |
| 0 | 312 bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
| 313 Flag* result = Flag::find_flag((char*)name, strlen(name)); | |
| 314 if (result == NULL) return false; | |
| 315 *value = (result->origin == COMMAND_LINE); | |
| 316 return true; | |
| 317 } | |
| 318 | |
| 319 bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) { | |
| 320 Flag* result = Flag::find_flag(name, len); | |
| 321 if (result == NULL) return false; | |
| 322 if (!result->is_bool()) return false; | |
| 323 *value = result->get_bool(); | |
| 324 return true; | |
| 325 } | |
| 326 | |
| 327 bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin) { | |
| 328 Flag* result = Flag::find_flag(name, len); | |
| 329 if (result == NULL) return false; | |
| 330 if (!result->is_bool()) return false; | |
| 331 bool old_value = result->get_bool(); | |
| 332 result->set_bool(*value); | |
| 333 *value = old_value; | |
| 334 result->origin = origin; | |
| 335 return true; | |
| 336 } | |
| 337 | |
| 338 void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, FlagValueOrigin origin) { | |
| 339 Flag* faddr = address_of_flag(flag); | |
| 340 guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); | |
| 341 faddr->set_bool(value); | |
| 342 faddr->origin = origin; | |
| 343 } | |
| 344 | |
| 345 bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) { | |
| 346 Flag* result = Flag::find_flag(name, len); | |
| 347 if (result == NULL) return false; | |
| 348 if (!result->is_intx()) return false; | |
| 349 *value = result->get_intx(); | |
| 350 return true; | |
| 351 } | |
| 352 | |
| 353 bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin) { | |
| 354 Flag* result = Flag::find_flag(name, len); | |
| 355 if (result == NULL) return false; | |
| 356 if (!result->is_intx()) return false; | |
| 357 intx old_value = result->get_intx(); | |
| 358 result->set_intx(*value); | |
| 359 *value = old_value; | |
| 360 result->origin = origin; | |
| 361 return true; | |
| 362 } | |
| 363 | |
| 364 void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, FlagValueOrigin origin) { | |
| 365 Flag* faddr = address_of_flag(flag); | |
| 366 guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); | |
| 367 faddr->set_intx(value); | |
| 368 faddr->origin = origin; | |
| 369 } | |
| 370 | |
| 371 bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) { | |
| 372 Flag* result = Flag::find_flag(name, len); | |
| 373 if (result == NULL) return false; | |
| 374 if (!result->is_uintx()) return false; | |
| 375 *value = result->get_uintx(); | |
| 376 return true; | |
| 377 } | |
| 378 | |
| 379 bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin) { | |
| 380 Flag* result = Flag::find_flag(name, len); | |
| 381 if (result == NULL) return false; | |
| 382 if (!result->is_uintx()) return false; | |
| 383 uintx old_value = result->get_uintx(); | |
| 384 result->set_uintx(*value); | |
| 385 *value = old_value; | |
| 386 result->origin = origin; | |
| 387 return true; | |
| 388 } | |
| 389 | |
| 390 void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, FlagValueOrigin origin) { | |
| 391 Flag* faddr = address_of_flag(flag); | |
| 392 guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); | |
| 393 faddr->set_uintx(value); | |
| 394 faddr->origin = origin; | |
| 395 } | |
| 396 | |
| 1064 | 397 bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) { |
| 398 Flag* result = Flag::find_flag(name, len); | |
| 399 if (result == NULL) return false; | |
| 400 if (!result->is_uint64_t()) return false; | |
| 401 *value = result->get_uint64_t(); | |
| 402 return true; | |
| 403 } | |
| 404 | |
| 405 bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin) { | |
| 406 Flag* result = Flag::find_flag(name, len); | |
| 407 if (result == NULL) return false; | |
| 408 if (!result->is_uint64_t()) return false; | |
| 409 uint64_t old_value = result->get_uint64_t(); | |
| 410 result->set_uint64_t(*value); | |
| 411 *value = old_value; | |
| 412 result->origin = origin; | |
| 413 return true; | |
| 414 } | |
| 415 | |
| 416 void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, FlagValueOrigin origin) { | |
| 417 Flag* faddr = address_of_flag(flag); | |
| 418 guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type"); | |
| 419 faddr->set_uint64_t(value); | |
| 420 faddr->origin = origin; | |
| 421 } | |
| 422 | |
| 0 | 423 bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) { |
| 424 Flag* result = Flag::find_flag(name, len); | |
| 425 if (result == NULL) return false; | |
| 426 if (!result->is_double()) return false; | |
| 427 *value = result->get_double(); | |
| 428 return true; | |
| 429 } | |
| 430 | |
| 431 bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin) { | |
| 432 Flag* result = Flag::find_flag(name, len); | |
| 433 if (result == NULL) return false; | |
| 434 if (!result->is_double()) return false; | |
| 435 double old_value = result->get_double(); | |
| 436 result->set_double(*value); | |
| 437 *value = old_value; | |
| 438 result->origin = origin; | |
| 439 return true; | |
| 440 } | |
| 441 | |
| 442 void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, FlagValueOrigin origin) { | |
| 443 Flag* faddr = address_of_flag(flag); | |
| 444 guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); | |
| 445 faddr->set_double(value); | |
| 446 faddr->origin = origin; | |
| 447 } | |
| 448 | |
| 449 bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) { | |
| 450 Flag* result = Flag::find_flag(name, len); | |
| 451 if (result == NULL) return false; | |
| 452 if (!result->is_ccstr()) return false; | |
| 453 *value = result->get_ccstr(); | |
| 454 return true; | |
| 455 } | |
| 456 | |
| 457 // Contract: Flag will make private copy of the incoming value. | |
| 458 // Outgoing value is always malloc-ed, and caller MUST call free. | |
| 459 bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin) { | |
| 460 Flag* result = Flag::find_flag(name, len); | |
| 461 if (result == NULL) return false; | |
| 462 if (!result->is_ccstr()) return false; | |
| 463 ccstr old_value = result->get_ccstr(); | |
|
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464 char* new_value = NULL; |
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465 if (*value != NULL) { |
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466 new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1); |
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467 strcpy(new_value, *value); |
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468 } |
| 0 | 469 result->set_ccstr(new_value); |
| 470 if (result->origin == DEFAULT && old_value != NULL) { | |
| 471 // Prior value is NOT heap allocated, but was a literal constant. | |
| 472 char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1); | |
| 473 strcpy(old_value_to_free, old_value); | |
| 474 old_value = old_value_to_free; | |
| 475 } | |
| 476 *value = old_value; | |
| 477 result->origin = origin; | |
| 478 return true; | |
| 479 } | |
| 480 | |
| 481 // Contract: Flag will make private copy of the incoming value. | |
| 482 void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, FlagValueOrigin origin) { | |
| 483 Flag* faddr = address_of_flag(flag); | |
| 484 guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); | |
| 485 ccstr old_value = faddr->get_ccstr(); | |
| 486 char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1); | |
| 487 strcpy(new_value, value); | |
| 488 faddr->set_ccstr(new_value); | |
| 489 if (faddr->origin != DEFAULT && old_value != NULL) { | |
| 490 // Prior value is heap allocated so free it. | |
| 491 FREE_C_HEAP_ARRAY(char, old_value); | |
| 492 } | |
| 493 faddr->origin = origin; | |
| 494 } | |
| 495 | |
| 496 extern "C" { | |
| 497 static int compare_flags(const void* void_a, const void* void_b) { | |
| 498 return strcmp((*((Flag**) void_a))->name, (*((Flag**) void_b))->name); | |
| 499 } | |
| 500 } | |
| 501 | |
| 4773 | 502 void CommandLineFlags::printSetFlags(outputStream* out) { |
| 0 | 503 // Print which flags were set on the command line |
| 504 // note: this method is called before the thread structure is in place | |
| 505 // which means resource allocation cannot be used. | |
| 506 | |
| 507 // Compute size | |
| 508 int length= 0; | |
| 509 while (flagTable[length].name != NULL) length++; | |
| 510 | |
| 511 // Sort | |
| 512 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length); | |
| 513 for (int index = 0; index < length; index++) { | |
| 514 array[index] = &flagTable[index]; | |
| 515 } | |
| 516 qsort(array, length, sizeof(Flag*), compare_flags); | |
| 517 | |
| 518 // Print | |
| 519 for (int i = 0; i < length; i++) { | |
| 520 if (array[i]->origin /* naked field! */) { | |
| 4773 | 521 array[i]->print_as_flag(out); |
| 522 out->print(" "); | |
| 0 | 523 } |
| 524 } | |
| 4773 | 525 out->cr(); |
| 0 | 526 FREE_C_HEAP_ARRAY(Flag*, array); |
| 527 } | |
| 528 | |
| 529 #ifndef PRODUCT | |
| 530 | |
| 531 | |
| 532 void CommandLineFlags::verify() { | |
| 533 assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); | |
| 534 } | |
| 535 | |
| 1150 | 536 #endif // PRODUCT |
| 537 | |
| 4773 | 538 void CommandLineFlags::printFlags(outputStream* out, bool withComments) { |
| 0 | 539 // Print the flags sorted by name |
| 540 // note: this method is called before the thread structure is in place | |
| 541 // which means resource allocation cannot be used. | |
| 542 | |
| 543 // Compute size | |
| 544 int length= 0; | |
| 545 while (flagTable[length].name != NULL) length++; | |
| 546 | |
| 547 // Sort | |
| 548 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length); | |
| 549 for (int index = 0; index < length; index++) { | |
| 550 array[index] = &flagTable[index]; | |
| 551 } | |
| 552 qsort(array, length, sizeof(Flag*), compare_flags); | |
| 553 | |
| 554 // Print | |
| 4773 | 555 out->print_cr("[Global flags]"); |
| 0 | 556 for (int i = 0; i < length; i++) { |
| 557 if (array[i]->is_unlocked()) { | |
| 4773 | 558 array[i]->print_on(out, withComments); |
| 0 | 559 } |
| 560 } | |
| 561 FREE_C_HEAP_ARRAY(Flag*, array); | |
| 562 } |