Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/globals.cpp @ 10986:1f4355cee9a2
8013651: NMT: reserve/release sequence id's in incorrect order due to race
Summary: Fixed NMT race condition for realloc, uncommit and release
Reviewed-by: coleenp, ccheung
author | zgu |
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date | Tue, 18 Jun 2013 08:44:08 -0400 |
parents | 64d2a0a39954 |
children | 5fc51c1ecdeb b3cd8b58b798 |
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 | |
40 #ifdef COMPILER2 | |
41 #include "opto/c2_globals.hpp" | |
42 #endif | |
43 #ifdef SHARK | |
44 #include "shark/shark_globals.hpp" | |
45 #endif | |
0 | 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 ARCH_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PRODUCT_FLAG, \ |
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59 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
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60 MATERIALIZE_NOTPRODUCT_FLAG) |
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61 |
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62 MATERIALIZE_FLAGS_EXT |
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63 |
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64 |
0 | 65 bool Flag::is_unlocker() const { |
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66 return strcmp(name, "UnlockDiagnosticVMOptions") == 0 || |
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67 strcmp(name, "UnlockExperimentalVMOptions") == 0 || |
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68 is_unlocker_ext(); |
0 | 69 } |
70 | |
71 bool Flag::is_unlocked() const { | |
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72 if (strcmp(kind, "{diagnostic}") == 0 || |
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73 strcmp(kind, "{C2 diagnostic}") == 0 || |
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74 strcmp(kind, "{ARCH diagnostic}") == 0 || |
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75 strcmp(kind, "{Shark diagnostic}") == 0) { |
2460 | 76 if (strcmp(name, "EnableInvokeDynamic") == 0 && UnlockExperimentalVMOptions && !UnlockDiagnosticVMOptions) { |
77 // transitional logic to allow tests to run until they are changed | |
78 static int warned; | |
79 if (++warned == 1) warning("Use -XX:+UnlockDiagnosticVMOptions before EnableInvokeDynamic flag"); | |
80 return true; | |
81 } | |
0 | 82 return UnlockDiagnosticVMOptions; |
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83 } else if (strcmp(kind, "{experimental}") == 0 || |
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84 strcmp(kind, "{C2 experimental}") == 0 || |
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85 strcmp(kind, "{ARCH experimental}") == 0 || |
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86 strcmp(kind, "{Shark experimental}") == 0) { |
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87 return UnlockExperimentalVMOptions; |
0 | 88 } else { |
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89 return is_unlocked_ext(); |
0 | 90 } |
91 } | |
92 | |
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93 // Get custom message for this locked flag, or return NULL if |
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94 // none is available. |
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95 void Flag::get_locked_message(char* buf, int buflen) const { |
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96 get_locked_message_ext(buf, buflen); |
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97 } |
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98 |
0 | 99 bool Flag::is_writeable() const { |
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100 return strcmp(kind, "{manageable}") == 0 || |
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101 strcmp(kind, "{product rw}") == 0 || |
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102 is_writeable_ext(); |
0 | 103 } |
104 | |
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105 // All flags except "manageable" are assumed to be internal flags. |
0 | 106 // Long term, we need to define a mechanism to specify which flags |
107 // are external/stable and change this function accordingly. | |
108 bool Flag::is_external() const { | |
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109 return strcmp(kind, "{manageable}") == 0 || is_external_ext(); |
0 | 110 } |
111 | |
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112 |
0 | 113 // Length of format string (e.g. "%.1234s") for printing ccstr below |
114 #define FORMAT_BUFFER_LEN 16 | |
115 | |
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116 void Flag::print_on(outputStream* st, bool withComments) { |
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117 st->print("%9s %-40s %c= ", type, name, (origin != DEFAULT ? ':' : ' ')); |
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118 if (is_bool()) st->print("%-16s", get_bool() ? "true" : "false"); |
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119 if (is_intx()) st->print("%-16ld", get_intx()); |
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120 if (is_uintx()) st->print("%-16lu", get_uintx()); |
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121 if (is_uint64_t()) st->print("%-16lu", get_uint64_t()); |
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122 if (is_double()) st->print("%-16f", get_double()); |
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123 |
0 | 124 if (is_ccstr()) { |
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125 const char* cp = get_ccstr(); |
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126 if (cp != NULL) { |
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127 const char* eol; |
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128 while ((eol = strchr(cp, '\n')) != NULL) { |
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129 char format_buffer[FORMAT_BUFFER_LEN]; |
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130 size_t llen = pointer_delta(eol, cp, sizeof(char)); |
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131 jio_snprintf(format_buffer, FORMAT_BUFFER_LEN, |
103 | 132 "%%." SIZE_FORMAT "s", llen); |
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133 st->print(format_buffer, cp); |
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134 st->cr(); |
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135 cp = eol+1; |
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136 st->print("%5s %-35s += ", "", name); |
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137 } |
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138 st->print("%-16s", cp); |
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139 } |
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140 else st->print("%-16s", ""); |
0 | 141 } |
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142 st->print("%-20s", kind); |
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143 if (withComments) { |
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144 #ifndef PRODUCT |
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145 st->print("%s", doc ); |
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146 #endif |
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147 } |
0 | 148 st->cr(); |
149 } | |
150 | |
151 void Flag::print_as_flag(outputStream* st) { | |
152 if (is_bool()) { | |
153 st->print("-XX:%s%s", get_bool() ? "+" : "-", name); | |
154 } else if (is_intx()) { | |
155 st->print("-XX:%s=" INTX_FORMAT, name, get_intx()); | |
156 } else if (is_uintx()) { | |
157 st->print("-XX:%s=" UINTX_FORMAT, name, get_uintx()); | |
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158 } else if (is_uint64_t()) { |
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159 st->print("-XX:%s=" UINT64_FORMAT, name, get_uint64_t()); |
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160 } else if (is_double()) { |
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161 st->print("-XX:%s=%f", name, get_double()); |
0 | 162 } else if (is_ccstr()) { |
163 st->print("-XX:%s=", name); | |
103 | 164 const char* cp = get_ccstr(); |
165 if (cp != NULL) { | |
166 // Need to turn embedded '\n's back into separate arguments | |
167 // Not so efficient to print one character at a time, | |
168 // but the choice is to do the transformation to a buffer | |
169 // and print that. And this need not be efficient. | |
170 for (; *cp != '\0'; cp += 1) { | |
171 switch (*cp) { | |
172 default: | |
173 st->print("%c", *cp); | |
174 break; | |
175 case '\n': | |
176 st->print(" -XX:%s=", name); | |
177 break; | |
178 } | |
0 | 179 } |
180 } | |
181 } else { | |
182 ShouldNotReachHere(); | |
183 } | |
184 } | |
185 | |
186 // 4991491 do not "optimize out" the was_set false values: omitting them | |
187 // tickles a Microsoft compiler bug causing flagTable to be malformed | |
188 | |
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189 #define RUNTIME_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product}", DEFAULT }, |
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190 #define RUNTIME_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{pd product}", DEFAULT }, |
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191 #define RUNTIME_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{diagnostic}", DEFAULT }, |
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192 #define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{experimental}", DEFAULT }, |
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193 #define RUNTIME_MANAGEABLE_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{manageable}", DEFAULT }, |
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194 #define RUNTIME_PRODUCT_RW_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product rw}", DEFAULT }, |
0 | 195 |
196 #ifdef PRODUCT | |
197 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
198 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
199 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
200 #else | |
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201 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "", DEFAULT }, |
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202 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{pd}", DEFAULT }, |
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203 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{notproduct}", DEFAULT }, |
0 | 204 #endif |
205 | |
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206 #ifdef _LP64 |
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207 #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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208 #else |
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209 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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210 #endif // _LP64 |
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211 |
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212 #define C1_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 product}", DEFAULT }, |
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213 #define C1_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 pd product}", DEFAULT }, |
0 | 214 #ifdef PRODUCT |
215 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
216 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
217 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
218 #else | |
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219 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1}", DEFAULT }, |
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220 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C1 pd}", DEFAULT }, |
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221 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1 notproduct}", DEFAULT }, |
0 | 222 #endif |
223 | |
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224 #define C2_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 product}", DEFAULT }, |
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225 #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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226 #define C2_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 diagnostic}", DEFAULT }, |
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227 #define C2_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 experimental}", DEFAULT }, |
0 | 228 #ifdef PRODUCT |
229 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
230 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
231 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
232 #else | |
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233 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2}", DEFAULT }, |
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234 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C2 pd}", DEFAULT }, |
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235 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2 notproduct}", DEFAULT }, |
0 | 236 #endif |
237 | |
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238 #define ARCH_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH product}", DEFAULT }, |
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239 #define ARCH_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH diagnostic}", DEFAULT }, |
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240 #define ARCH_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH experimental}", DEFAULT }, |
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241 #ifdef PRODUCT |
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242 #define ARCH_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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243 #define ARCH_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
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244 #else |
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245 #define ARCH_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{ARCH}", DEFAULT }, |
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246 #define ARCH_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{ARCH notproduct}", DEFAULT }, |
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247 #endif |
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248 |
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249 #define SHARK_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark product}", DEFAULT }, |
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250 #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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251 #define SHARK_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark diagnostic}", DEFAULT }, |
1692 | 252 #ifdef PRODUCT |
253 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
254 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
255 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
256 #else | |
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257 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark}", DEFAULT }, |
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258 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{Shark pd}", DEFAULT }, |
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259 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark notproduct}", DEFAULT }, |
1692 | 260 #endif |
0 | 261 |
262 static Flag flagTable[] = { | |
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263 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 | 264 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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265 #if INCLUDE_ALL_GCS |
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266 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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267 #endif // INCLUDE_ALL_GCS |
0 | 268 #ifdef COMPILER1 |
269 C1_FLAGS(C1_DEVELOP_FLAG_STRUCT, C1_PD_DEVELOP_FLAG_STRUCT, C1_PRODUCT_FLAG_STRUCT, C1_PD_PRODUCT_FLAG_STRUCT, C1_NOTPRODUCT_FLAG_STRUCT) | |
270 #endif | |
271 #ifdef COMPILER2 | |
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272 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 | 273 #endif |
1692 | 274 #ifdef SHARK |
275 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) | |
276 #endif | |
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277 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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278 FLAGTABLE_EXT |
0 | 279 {0, NULL, NULL} |
280 }; | |
281 | |
282 Flag* Flag::flags = flagTable; | |
283 size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); | |
284 | |
285 inline bool str_equal(const char* s, char* q, size_t len) { | |
286 // s is null terminated, q is not! | |
287 if (strlen(s) != (unsigned int) len) return false; | |
288 return strncmp(s, q, len) == 0; | |
289 } | |
290 | |
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291 // Search the flag table for a named flag |
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292 Flag* Flag::find_flag(char* name, size_t length, bool allow_locked) { |
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293 for (Flag* current = &flagTable[0]; current->name != NULL; current++) { |
0 | 294 if (str_equal(current->name, name, length)) { |
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295 // Found a matching entry. Report locked flags only if allowed. |
0 | 296 if (!(current->is_unlocked() || current->is_unlocker())) { |
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297 if (!allow_locked) { |
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298 // disable use of locked flags, e.g. diagnostic, experimental, |
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299 // commercial... until they are explicitly unlocked |
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300 return NULL; |
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301 } |
0 | 302 } |
303 return current; | |
304 } | |
305 } | |
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306 // Flag name is not in the flag table |
0 | 307 return NULL; |
308 } | |
309 | |
310 // Returns the address of the index'th element | |
311 static Flag* address_of_flag(CommandLineFlagWithType flag) { | |
312 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
313 return &Flag::flags[flag]; | |
314 } | |
315 | |
316 bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { | |
317 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
318 Flag* f = &Flag::flags[flag]; | |
319 return (f->origin == DEFAULT); | |
320 } | |
321 | |
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322 bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
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323 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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324 Flag* f = &Flag::flags[flag]; |
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325 return (f->origin == ERGONOMIC); |
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326 } |
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327 |
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328 bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) { |
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329 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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330 Flag* f = &Flag::flags[flag]; |
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331 return (f->origin == COMMAND_LINE); |
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332 } |
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333 |
0 | 334 bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
335 Flag* result = Flag::find_flag((char*)name, strlen(name)); | |
336 if (result == NULL) return false; | |
337 *value = (result->origin == COMMAND_LINE); | |
338 return true; | |
339 } | |
340 | |
341 bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) { | |
342 Flag* result = Flag::find_flag(name, len); | |
343 if (result == NULL) return false; | |
344 if (!result->is_bool()) return false; | |
345 *value = result->get_bool(); | |
346 return true; | |
347 } | |
348 | |
349 bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin) { | |
350 Flag* result = Flag::find_flag(name, len); | |
351 if (result == NULL) return false; | |
352 if (!result->is_bool()) return false; | |
353 bool old_value = result->get_bool(); | |
354 result->set_bool(*value); | |
355 *value = old_value; | |
356 result->origin = origin; | |
357 return true; | |
358 } | |
359 | |
360 void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, FlagValueOrigin origin) { | |
361 Flag* faddr = address_of_flag(flag); | |
362 guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); | |
363 faddr->set_bool(value); | |
364 faddr->origin = origin; | |
365 } | |
366 | |
367 bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) { | |
368 Flag* result = Flag::find_flag(name, len); | |
369 if (result == NULL) return false; | |
370 if (!result->is_intx()) return false; | |
371 *value = result->get_intx(); | |
372 return true; | |
373 } | |
374 | |
375 bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin) { | |
376 Flag* result = Flag::find_flag(name, len); | |
377 if (result == NULL) return false; | |
378 if (!result->is_intx()) return false; | |
379 intx old_value = result->get_intx(); | |
380 result->set_intx(*value); | |
381 *value = old_value; | |
382 result->origin = origin; | |
383 return true; | |
384 } | |
385 | |
386 void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, FlagValueOrigin origin) { | |
387 Flag* faddr = address_of_flag(flag); | |
388 guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); | |
389 faddr->set_intx(value); | |
390 faddr->origin = origin; | |
391 } | |
392 | |
393 bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) { | |
394 Flag* result = Flag::find_flag(name, len); | |
395 if (result == NULL) return false; | |
396 if (!result->is_uintx()) return false; | |
397 *value = result->get_uintx(); | |
398 return true; | |
399 } | |
400 | |
401 bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin) { | |
402 Flag* result = Flag::find_flag(name, len); | |
403 if (result == NULL) return false; | |
404 if (!result->is_uintx()) return false; | |
405 uintx old_value = result->get_uintx(); | |
406 result->set_uintx(*value); | |
407 *value = old_value; | |
408 result->origin = origin; | |
409 return true; | |
410 } | |
411 | |
412 void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, FlagValueOrigin origin) { | |
413 Flag* faddr = address_of_flag(flag); | |
414 guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); | |
415 faddr->set_uintx(value); | |
416 faddr->origin = origin; | |
417 } | |
418 | |
1064 | 419 bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) { |
420 Flag* result = Flag::find_flag(name, len); | |
421 if (result == NULL) return false; | |
422 if (!result->is_uint64_t()) return false; | |
423 *value = result->get_uint64_t(); | |
424 return true; | |
425 } | |
426 | |
427 bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin) { | |
428 Flag* result = Flag::find_flag(name, len); | |
429 if (result == NULL) return false; | |
430 if (!result->is_uint64_t()) return false; | |
431 uint64_t old_value = result->get_uint64_t(); | |
432 result->set_uint64_t(*value); | |
433 *value = old_value; | |
434 result->origin = origin; | |
435 return true; | |
436 } | |
437 | |
438 void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, FlagValueOrigin origin) { | |
439 Flag* faddr = address_of_flag(flag); | |
440 guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type"); | |
441 faddr->set_uint64_t(value); | |
442 faddr->origin = origin; | |
443 } | |
444 | |
0 | 445 bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) { |
446 Flag* result = Flag::find_flag(name, len); | |
447 if (result == NULL) return false; | |
448 if (!result->is_double()) return false; | |
449 *value = result->get_double(); | |
450 return true; | |
451 } | |
452 | |
453 bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin) { | |
454 Flag* result = Flag::find_flag(name, len); | |
455 if (result == NULL) return false; | |
456 if (!result->is_double()) return false; | |
457 double old_value = result->get_double(); | |
458 result->set_double(*value); | |
459 *value = old_value; | |
460 result->origin = origin; | |
461 return true; | |
462 } | |
463 | |
464 void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, FlagValueOrigin origin) { | |
465 Flag* faddr = address_of_flag(flag); | |
466 guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); | |
467 faddr->set_double(value); | |
468 faddr->origin = origin; | |
469 } | |
470 | |
471 bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) { | |
472 Flag* result = Flag::find_flag(name, len); | |
473 if (result == NULL) return false; | |
474 if (!result->is_ccstr()) return false; | |
475 *value = result->get_ccstr(); | |
476 return true; | |
477 } | |
478 | |
479 // Contract: Flag will make private copy of the incoming value. | |
480 // Outgoing value is always malloc-ed, and caller MUST call free. | |
481 bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin) { | |
482 Flag* result = Flag::find_flag(name, len); | |
483 if (result == NULL) return false; | |
484 if (!result->is_ccstr()) return false; | |
485 ccstr old_value = result->get_ccstr(); | |
370
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486 char* new_value = NULL; |
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487 if (*value != NULL) { |
6197 | 488 new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1, mtInternal); |
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489 strcpy(new_value, *value); |
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490 } |
0 | 491 result->set_ccstr(new_value); |
492 if (result->origin == DEFAULT && old_value != NULL) { | |
493 // Prior value is NOT heap allocated, but was a literal constant. | |
6197 | 494 char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1, mtInternal); |
0 | 495 strcpy(old_value_to_free, old_value); |
496 old_value = old_value_to_free; | |
497 } | |
498 *value = old_value; | |
499 result->origin = origin; | |
500 return true; | |
501 } | |
502 | |
503 // Contract: Flag will make private copy of the incoming value. | |
504 void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, FlagValueOrigin origin) { | |
505 Flag* faddr = address_of_flag(flag); | |
506 guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); | |
507 ccstr old_value = faddr->get_ccstr(); | |
6197 | 508 char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1, mtInternal); |
0 | 509 strcpy(new_value, value); |
510 faddr->set_ccstr(new_value); | |
511 if (faddr->origin != DEFAULT && old_value != NULL) { | |
512 // Prior value is heap allocated so free it. | |
6197 | 513 FREE_C_HEAP_ARRAY(char, old_value, mtInternal); |
0 | 514 } |
515 faddr->origin = origin; | |
516 } | |
517 | |
518 extern "C" { | |
519 static int compare_flags(const void* void_a, const void* void_b) { | |
520 return strcmp((*((Flag**) void_a))->name, (*((Flag**) void_b))->name); | |
521 } | |
522 } | |
523 | |
4773 | 524 void CommandLineFlags::printSetFlags(outputStream* out) { |
0 | 525 // Print which flags were set on the command line |
526 // note: this method is called before the thread structure is in place | |
527 // which means resource allocation cannot be used. | |
528 | |
529 // Compute size | |
530 int length= 0; | |
531 while (flagTable[length].name != NULL) length++; | |
532 | |
533 // Sort | |
6197 | 534 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
0 | 535 for (int index = 0; index < length; index++) { |
536 array[index] = &flagTable[index]; | |
537 } | |
538 qsort(array, length, sizeof(Flag*), compare_flags); | |
539 | |
540 // Print | |
541 for (int i = 0; i < length; i++) { | |
542 if (array[i]->origin /* naked field! */) { | |
4773 | 543 array[i]->print_as_flag(out); |
544 out->print(" "); | |
0 | 545 } |
546 } | |
4773 | 547 out->cr(); |
6197 | 548 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 549 } |
550 | |
551 #ifndef PRODUCT | |
552 | |
553 | |
554 void CommandLineFlags::verify() { | |
555 assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); | |
556 } | |
557 | |
1150 | 558 #endif // PRODUCT |
559 | |
4773 | 560 void CommandLineFlags::printFlags(outputStream* out, bool withComments) { |
0 | 561 // Print the flags sorted by name |
562 // note: this method is called before the thread structure is in place | |
563 // which means resource allocation cannot be used. | |
564 | |
565 // Compute size | |
566 int length= 0; | |
567 while (flagTable[length].name != NULL) length++; | |
568 | |
569 // Sort | |
6197 | 570 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
0 | 571 for (int index = 0; index < length; index++) { |
572 array[index] = &flagTable[index]; | |
573 } | |
574 qsort(array, length, sizeof(Flag*), compare_flags); | |
575 | |
576 // Print | |
4773 | 577 out->print_cr("[Global flags]"); |
0 | 578 for (int i = 0; i < length; i++) { |
579 if (array[i]->is_unlocked()) { | |
4773 | 580 array[i]->print_on(out, withComments); |
0 | 581 } |
582 } | |
6197 | 583 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 584 } |