Mercurial > hg > truffle
annotate src/share/vm/runtime/globals.cpp @ 11702:6e8df0ca2879
Fix LocalNode dumping in CFGPrinter.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Wed, 18 Sep 2013 12:55:52 +0200 |
parents | 6b0fd0964b87 |
children | cefad50507d8 |
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) { |
0 | 79 return UnlockDiagnosticVMOptions; |
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80 } else if (strcmp(kind, "{experimental}") == 0 || |
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81 strcmp(kind, "{C2 experimental}") == 0 || |
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82 strcmp(kind, "{ARCH experimental}") == 0 || |
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83 strcmp(kind, "{Shark experimental}") == 0) { |
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84 return UnlockExperimentalVMOptions; |
0 | 85 } else { |
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86 return is_unlocked_ext(); |
0 | 87 } |
88 } | |
89 | |
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90 // Get custom message for this locked flag, or return NULL if |
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91 // none is available. |
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92 void Flag::get_locked_message(char* buf, int buflen) const { |
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93 get_locked_message_ext(buf, buflen); |
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94 } |
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95 |
0 | 96 bool Flag::is_writeable() const { |
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97 return strcmp(kind, "{manageable}") == 0 || |
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98 strcmp(kind, "{product rw}") == 0 || |
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99 is_writeable_ext(); |
0 | 100 } |
101 | |
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102 // All flags except "manageable" are assumed to be internal flags. |
0 | 103 // Long term, we need to define a mechanism to specify which flags |
104 // are external/stable and change this function accordingly. | |
105 bool Flag::is_external() const { | |
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106 return strcmp(kind, "{manageable}") == 0 || is_external_ext(); |
0 | 107 } |
108 | |
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109 |
0 | 110 // Length of format string (e.g. "%.1234s") for printing ccstr below |
111 #define FORMAT_BUFFER_LEN 16 | |
112 | |
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113 void Flag::print_on(outputStream* st, bool withComments) { |
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114 st->print("%9s %-40s %c= ", type, name, (origin != DEFAULT ? ':' : ' ')); |
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115 if (is_bool()) st->print("%-16s", get_bool() ? "true" : "false"); |
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116 if (is_intx()) st->print("%-16ld", get_intx()); |
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117 if (is_uintx()) st->print("%-16lu", get_uintx()); |
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118 if (is_uint64_t()) st->print("%-16lu", get_uint64_t()); |
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119 if (is_double()) st->print("%-16f", get_double()); |
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120 |
0 | 121 if (is_ccstr()) { |
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122 const char* cp = get_ccstr(); |
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123 if (cp != NULL) { |
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124 const char* eol; |
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125 while ((eol = strchr(cp, '\n')) != NULL) { |
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126 char format_buffer[FORMAT_BUFFER_LEN]; |
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127 size_t llen = pointer_delta(eol, cp, sizeof(char)); |
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128 jio_snprintf(format_buffer, FORMAT_BUFFER_LEN, |
103 | 129 "%%." SIZE_FORMAT "s", llen); |
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130 st->print(format_buffer, cp); |
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131 st->cr(); |
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132 cp = eol+1; |
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133 st->print("%5s %-35s += ", "", name); |
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134 } |
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135 st->print("%-16s", cp); |
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136 } |
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137 else st->print("%-16s", ""); |
0 | 138 } |
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139 st->print("%-20s", kind); |
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140 if (withComments) { |
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141 #ifndef PRODUCT |
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142 st->print("%s", doc ); |
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143 #endif |
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144 } |
0 | 145 st->cr(); |
146 } | |
147 | |
148 void Flag::print_as_flag(outputStream* st) { | |
149 if (is_bool()) { | |
150 st->print("-XX:%s%s", get_bool() ? "+" : "-", name); | |
151 } else if (is_intx()) { | |
152 st->print("-XX:%s=" INTX_FORMAT, name, get_intx()); | |
153 } else if (is_uintx()) { | |
154 st->print("-XX:%s=" UINTX_FORMAT, name, get_uintx()); | |
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155 } else if (is_uint64_t()) { |
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156 st->print("-XX:%s=" UINT64_FORMAT, name, get_uint64_t()); |
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157 } else if (is_double()) { |
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158 st->print("-XX:%s=%f", name, get_double()); |
0 | 159 } else if (is_ccstr()) { |
160 st->print("-XX:%s=", name); | |
103 | 161 const char* cp = get_ccstr(); |
162 if (cp != NULL) { | |
163 // Need to turn embedded '\n's back into separate arguments | |
164 // Not so efficient to print one character at a time, | |
165 // but the choice is to do the transformation to a buffer | |
166 // and print that. And this need not be efficient. | |
167 for (; *cp != '\0'; cp += 1) { | |
168 switch (*cp) { | |
169 default: | |
170 st->print("%c", *cp); | |
171 break; | |
172 case '\n': | |
173 st->print(" -XX:%s=", name); | |
174 break; | |
175 } | |
0 | 176 } |
177 } | |
178 } else { | |
179 ShouldNotReachHere(); | |
180 } | |
181 } | |
182 | |
183 // 4991491 do not "optimize out" the was_set false values: omitting them | |
184 // tickles a Microsoft compiler bug causing flagTable to be malformed | |
185 | |
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186 #define RUNTIME_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product}", DEFAULT }, |
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187 #define RUNTIME_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{pd product}", DEFAULT }, |
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188 #define RUNTIME_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{diagnostic}", DEFAULT }, |
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189 #define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{experimental}", DEFAULT }, |
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190 #define RUNTIME_MANAGEABLE_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{manageable}", DEFAULT }, |
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191 #define RUNTIME_PRODUCT_RW_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product rw}", DEFAULT }, |
0 | 192 |
193 #ifdef PRODUCT | |
194 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
195 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
196 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
197 #else | |
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198 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "", DEFAULT }, |
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199 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{pd}", DEFAULT }, |
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200 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{notproduct}", DEFAULT }, |
0 | 201 #endif |
202 | |
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203 #ifdef _LP64 |
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204 #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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205 #else |
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206 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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207 #endif // _LP64 |
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208 |
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209 #define C1_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 product}", DEFAULT }, |
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210 #define C1_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 pd product}", DEFAULT }, |
0 | 211 #ifdef PRODUCT |
212 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
213 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
214 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
215 #else | |
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216 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1}", DEFAULT }, |
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217 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C1 pd}", DEFAULT }, |
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218 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1 notproduct}", DEFAULT }, |
0 | 219 #endif |
220 | |
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221 #define GRAAL_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Graal product}", DEFAULT }, |
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222 #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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223 #ifdef PRODUCT |
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224 #define GRAAL_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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225 #define GRAAL_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ |
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226 #define GRAAL_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
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227 #else |
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228 #define GRAAL_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Graal}", DEFAULT }, |
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229 #define GRAAL_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{Graal pd}", DEFAULT }, |
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230 #define GRAAL_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Graal notproduct}", DEFAULT }, |
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231 #endif |
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232 |
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233 #define C2_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 product}", DEFAULT }, |
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234 #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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235 #define C2_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 diagnostic}", DEFAULT }, |
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236 #define C2_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 experimental}", DEFAULT }, |
0 | 237 #ifdef PRODUCT |
238 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
239 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
240 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
241 #else | |
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242 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2}", DEFAULT }, |
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243 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C2 pd}", DEFAULT }, |
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244 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2 notproduct}", DEFAULT }, |
0 | 245 #endif |
246 | |
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247 #define ARCH_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH product}", DEFAULT }, |
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248 #define ARCH_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH diagnostic}", DEFAULT }, |
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249 #define ARCH_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH experimental}", DEFAULT }, |
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250 #ifdef PRODUCT |
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251 #define ARCH_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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252 #define ARCH_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
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253 #else |
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254 #define ARCH_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{ARCH}", DEFAULT }, |
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255 #define ARCH_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{ARCH notproduct}", DEFAULT }, |
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256 #endif |
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257 |
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258 #define SHARK_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark product}", DEFAULT }, |
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259 #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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260 #define SHARK_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark diagnostic}", DEFAULT }, |
1692 | 261 #ifdef PRODUCT |
262 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
263 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
264 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
265 #else | |
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266 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark}", DEFAULT }, |
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267 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{Shark pd}", DEFAULT }, |
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268 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark notproduct}", DEFAULT }, |
1692 | 269 #endif |
0 | 270 |
271 static Flag flagTable[] = { | |
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272 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 | 273 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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274 #if INCLUDE_ALL_GCS |
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275 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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276 #endif // INCLUDE_ALL_GCS |
0 | 277 #ifdef COMPILER1 |
278 C1_FLAGS(C1_DEVELOP_FLAG_STRUCT, C1_PD_DEVELOP_FLAG_STRUCT, C1_PRODUCT_FLAG_STRUCT, C1_PD_PRODUCT_FLAG_STRUCT, C1_NOTPRODUCT_FLAG_STRUCT) | |
279 #endif | |
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280 #ifdef GRAAL |
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281 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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282 #endif |
0 | 283 #ifdef COMPILER2 |
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284 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 | 285 #endif |
1692 | 286 #ifdef SHARK |
287 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) | |
288 #endif | |
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289 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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290 FLAGTABLE_EXT |
0 | 291 {0, NULL, NULL} |
292 }; | |
293 | |
294 Flag* Flag::flags = flagTable; | |
295 size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); | |
296 | |
11070 | 297 inline bool str_equal(const char* s, const char* q, size_t len) { |
0 | 298 // s is null terminated, q is not! |
299 if (strlen(s) != (unsigned int) len) return false; | |
300 return strncmp(s, q, len) == 0; | |
301 } | |
302 | |
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303 // Search the flag table for a named flag |
11070 | 304 Flag* Flag::find_flag(const char* name, size_t length, bool allow_locked) { |
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305 for (Flag* current = &flagTable[0]; current->name != NULL; current++) { |
0 | 306 if (str_equal(current->name, name, length)) { |
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307 // Found a matching entry. Report locked flags only if allowed. |
0 | 308 if (!(current->is_unlocked() || current->is_unlocker())) { |
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309 if (!allow_locked) { |
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310 // disable use of locked flags, e.g. diagnostic, experimental, |
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311 // commercial... until they are explicitly unlocked |
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312 return NULL; |
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313 } |
0 | 314 } |
315 return current; | |
316 } | |
317 } | |
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318 // Flag name is not in the flag table |
0 | 319 return NULL; |
320 } | |
321 | |
11070 | 322 // Compute string similarity based on Dice's coefficient |
323 static float str_similar(const char* str1, const char* str2, size_t len2) { | |
324 int len1 = (int) strlen(str1); | |
325 int total = len1 + (int) len2; | |
326 | |
327 int hit = 0; | |
328 | |
329 for (int i = 0; i < len1 -1; ++i) { | |
330 for (int j = 0; j < (int) len2 -1; ++j) { | |
331 if ((str1[i] == str2[j]) && (str1[i+1] == str2[j+1])) { | |
332 ++hit; | |
333 break; | |
334 } | |
335 } | |
336 } | |
337 | |
338 return 2.0f * (float) hit / (float) total; | |
339 } | |
340 | |
341 Flag* Flag::fuzzy_match(const char* name, size_t length, bool allow_locked) { | |
342 float VMOptionsFuzzyMatchSimilarity = 0.7f; | |
343 Flag* match = NULL; | |
344 float score; | |
345 float max_score = -1; | |
346 | |
347 for (Flag* current = &flagTable[0]; current->name != NULL; current++) { | |
348 score = str_similar(current->name, name, length); | |
349 if (score > max_score) { | |
350 max_score = score; | |
351 match = current; | |
352 } | |
353 } | |
354 | |
355 if (!(match->is_unlocked() || match->is_unlocker())) { | |
356 if (!allow_locked) { | |
357 return NULL; | |
358 } | |
359 } | |
360 | |
361 if (max_score < VMOptionsFuzzyMatchSimilarity) { | |
362 return NULL; | |
363 } | |
364 | |
365 return match; | |
366 } | |
367 | |
0 | 368 // Returns the address of the index'th element |
369 static Flag* address_of_flag(CommandLineFlagWithType flag) { | |
370 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
371 return &Flag::flags[flag]; | |
372 } | |
373 | |
374 bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { | |
375 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
376 Flag* f = &Flag::flags[flag]; | |
377 return (f->origin == DEFAULT); | |
378 } | |
379 | |
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380 bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
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381 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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382 Flag* f = &Flag::flags[flag]; |
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383 return (f->origin == ERGONOMIC); |
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384 } |
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385 |
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386 bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) { |
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387 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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388 Flag* f = &Flag::flags[flag]; |
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389 return (f->origin == COMMAND_LINE); |
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390 } |
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391 |
0 | 392 bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
393 Flag* result = Flag::find_flag((char*)name, strlen(name)); | |
394 if (result == NULL) return false; | |
395 *value = (result->origin == COMMAND_LINE); | |
396 return true; | |
397 } | |
398 | |
399 bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) { | |
400 Flag* result = Flag::find_flag(name, len); | |
401 if (result == NULL) return false; | |
402 if (!result->is_bool()) return false; | |
403 *value = result->get_bool(); | |
404 return true; | |
405 } | |
406 | |
407 bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin) { | |
408 Flag* result = Flag::find_flag(name, len); | |
409 if (result == NULL) return false; | |
410 if (!result->is_bool()) return false; | |
411 bool old_value = result->get_bool(); | |
412 result->set_bool(*value); | |
413 *value = old_value; | |
414 result->origin = origin; | |
415 return true; | |
416 } | |
417 | |
418 void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, FlagValueOrigin origin) { | |
419 Flag* faddr = address_of_flag(flag); | |
420 guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); | |
421 faddr->set_bool(value); | |
422 faddr->origin = origin; | |
423 } | |
424 | |
425 bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) { | |
426 Flag* result = Flag::find_flag(name, len); | |
427 if (result == NULL) return false; | |
428 if (!result->is_intx()) return false; | |
429 *value = result->get_intx(); | |
430 return true; | |
431 } | |
432 | |
433 bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin) { | |
434 Flag* result = Flag::find_flag(name, len); | |
435 if (result == NULL) return false; | |
436 if (!result->is_intx()) return false; | |
437 intx old_value = result->get_intx(); | |
438 result->set_intx(*value); | |
439 *value = old_value; | |
440 result->origin = origin; | |
441 return true; | |
442 } | |
443 | |
444 void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, FlagValueOrigin origin) { | |
445 Flag* faddr = address_of_flag(flag); | |
446 guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); | |
447 faddr->set_intx(value); | |
448 faddr->origin = origin; | |
449 } | |
450 | |
451 bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) { | |
452 Flag* result = Flag::find_flag(name, len); | |
453 if (result == NULL) return false; | |
454 if (!result->is_uintx()) return false; | |
455 *value = result->get_uintx(); | |
456 return true; | |
457 } | |
458 | |
459 bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin) { | |
460 Flag* result = Flag::find_flag(name, len); | |
461 if (result == NULL) return false; | |
462 if (!result->is_uintx()) return false; | |
463 uintx old_value = result->get_uintx(); | |
464 result->set_uintx(*value); | |
465 *value = old_value; | |
466 result->origin = origin; | |
467 return true; | |
468 } | |
469 | |
470 void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, FlagValueOrigin origin) { | |
471 Flag* faddr = address_of_flag(flag); | |
472 guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); | |
473 faddr->set_uintx(value); | |
474 faddr->origin = origin; | |
475 } | |
476 | |
1064 | 477 bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) { |
478 Flag* result = Flag::find_flag(name, len); | |
479 if (result == NULL) return false; | |
480 if (!result->is_uint64_t()) return false; | |
481 *value = result->get_uint64_t(); | |
482 return true; | |
483 } | |
484 | |
485 bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin) { | |
486 Flag* result = Flag::find_flag(name, len); | |
487 if (result == NULL) return false; | |
488 if (!result->is_uint64_t()) return false; | |
489 uint64_t old_value = result->get_uint64_t(); | |
490 result->set_uint64_t(*value); | |
491 *value = old_value; | |
492 result->origin = origin; | |
493 return true; | |
494 } | |
495 | |
496 void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, FlagValueOrigin origin) { | |
497 Flag* faddr = address_of_flag(flag); | |
498 guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type"); | |
499 faddr->set_uint64_t(value); | |
500 faddr->origin = origin; | |
501 } | |
502 | |
0 | 503 bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) { |
504 Flag* result = Flag::find_flag(name, len); | |
505 if (result == NULL) return false; | |
506 if (!result->is_double()) return false; | |
507 *value = result->get_double(); | |
508 return true; | |
509 } | |
510 | |
511 bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin) { | |
512 Flag* result = Flag::find_flag(name, len); | |
513 if (result == NULL) return false; | |
514 if (!result->is_double()) return false; | |
515 double old_value = result->get_double(); | |
516 result->set_double(*value); | |
517 *value = old_value; | |
518 result->origin = origin; | |
519 return true; | |
520 } | |
521 | |
522 void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, FlagValueOrigin origin) { | |
523 Flag* faddr = address_of_flag(flag); | |
524 guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); | |
525 faddr->set_double(value); | |
526 faddr->origin = origin; | |
527 } | |
528 | |
529 bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) { | |
530 Flag* result = Flag::find_flag(name, len); | |
531 if (result == NULL) return false; | |
532 if (!result->is_ccstr()) return false; | |
533 *value = result->get_ccstr(); | |
534 return true; | |
535 } | |
536 | |
537 // Contract: Flag will make private copy of the incoming value. | |
538 // Outgoing value is always malloc-ed, and caller MUST call free. | |
539 bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin) { | |
540 Flag* result = Flag::find_flag(name, len); | |
541 if (result == NULL) return false; | |
542 if (!result->is_ccstr()) return false; | |
543 ccstr old_value = result->get_ccstr(); | |
370
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544 char* new_value = NULL; |
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545 if (*value != NULL) { |
6197 | 546 new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1, mtInternal); |
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547 strcpy(new_value, *value); |
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548 } |
0 | 549 result->set_ccstr(new_value); |
550 if (result->origin == DEFAULT && old_value != NULL) { | |
551 // Prior value is NOT heap allocated, but was a literal constant. | |
6197 | 552 char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1, mtInternal); |
0 | 553 strcpy(old_value_to_free, old_value); |
554 old_value = old_value_to_free; | |
555 } | |
556 *value = old_value; | |
557 result->origin = origin; | |
558 return true; | |
559 } | |
560 | |
561 // Contract: Flag will make private copy of the incoming value. | |
562 void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, FlagValueOrigin origin) { | |
563 Flag* faddr = address_of_flag(flag); | |
564 guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); | |
565 ccstr old_value = faddr->get_ccstr(); | |
6197 | 566 char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1, mtInternal); |
0 | 567 strcpy(new_value, value); |
568 faddr->set_ccstr(new_value); | |
569 if (faddr->origin != DEFAULT && old_value != NULL) { | |
570 // Prior value is heap allocated so free it. | |
6197 | 571 FREE_C_HEAP_ARRAY(char, old_value, mtInternal); |
0 | 572 } |
573 faddr->origin = origin; | |
574 } | |
575 | |
576 extern "C" { | |
577 static int compare_flags(const void* void_a, const void* void_b) { | |
578 return strcmp((*((Flag**) void_a))->name, (*((Flag**) void_b))->name); | |
579 } | |
580 } | |
581 | |
4773 | 582 void CommandLineFlags::printSetFlags(outputStream* out) { |
0 | 583 // Print which flags were set on the command line |
584 // note: this method is called before the thread structure is in place | |
585 // which means resource allocation cannot be used. | |
586 | |
587 // Compute size | |
588 int length= 0; | |
589 while (flagTable[length].name != NULL) length++; | |
590 | |
591 // Sort | |
6197 | 592 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
0 | 593 for (int index = 0; index < length; index++) { |
594 array[index] = &flagTable[index]; | |
595 } | |
596 qsort(array, length, sizeof(Flag*), compare_flags); | |
597 | |
598 // Print | |
599 for (int i = 0; i < length; i++) { | |
600 if (array[i]->origin /* naked field! */) { | |
4773 | 601 array[i]->print_as_flag(out); |
602 out->print(" "); | |
0 | 603 } |
604 } | |
4773 | 605 out->cr(); |
6197 | 606 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 607 } |
608 | |
609 #ifndef PRODUCT | |
610 | |
611 | |
612 void CommandLineFlags::verify() { | |
613 assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); | |
614 } | |
615 | |
1150 | 616 #endif // PRODUCT |
617 | |
4773 | 618 void CommandLineFlags::printFlags(outputStream* out, bool withComments) { |
0 | 619 // Print the flags sorted by name |
620 // note: this method is called before the thread structure is in place | |
621 // which means resource allocation cannot be used. | |
622 | |
623 // Compute size | |
624 int length= 0; | |
625 while (flagTable[length].name != NULL) length++; | |
626 | |
627 // Sort | |
6197 | 628 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
0 | 629 for (int index = 0; index < length; index++) { |
630 array[index] = &flagTable[index]; | |
631 } | |
632 qsort(array, length, sizeof(Flag*), compare_flags); | |
633 | |
634 // Print | |
4773 | 635 out->print_cr("[Global flags]"); |
0 | 636 for (int i = 0; i < length; i++) { |
637 if (array[i]->is_unlocked()) { | |
4773 | 638 array[i]->print_on(out, withComments); |
0 | 639 } |
640 } | |
6197 | 641 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 642 } |