Mercurial > hg > truffle
annotate src/share/vm/runtime/globals.cpp @ 7090:05ce1defa4f9
Common out some parts of UnsafeLoad/Store in UnsafeAccess
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Thu, 29 Nov 2012 13:24:08 +0100 |
parents | a5dd6e3ef9f3 |
children | 1baf7f1e3f23 db9981fd3124 |
rev | line source |
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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 RUNTIME_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ | |
47 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ | |
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48 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
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49 MATERIALIZE_NOTPRODUCT_FLAG, \ |
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50 MATERIALIZE_MANAGEABLE_FLAG, MATERIALIZE_PRODUCT_RW_FLAG, \ |
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51 MATERIALIZE_LP64_PRODUCT_FLAG) |
0 | 52 |
53 RUNTIME_OS_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ | |
54 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ | |
55 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_NOTPRODUCT_FLAG) | |
56 | |
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57 ARCH_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PRODUCT_FLAG, \ |
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58 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
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59 MATERIALIZE_NOTPRODUCT_FLAG) |
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60 |
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61 MATERIALIZE_FLAGS_EXT |
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62 |
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63 |
0 | 64 bool Flag::is_unlocker() const { |
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65 return strcmp(name, "UnlockDiagnosticVMOptions") == 0 || |
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66 strcmp(name, "UnlockExperimentalVMOptions") == 0 || |
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67 is_unlocker_ext(); |
0 | 68 } |
69 | |
70 bool Flag::is_unlocked() const { | |
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71 if (strcmp(kind, "{diagnostic}") == 0) { |
2460 | 72 if (strcmp(name, "EnableInvokeDynamic") == 0 && UnlockExperimentalVMOptions && !UnlockDiagnosticVMOptions) { |
73 // transitional logic to allow tests to run until they are changed | |
74 static int warned; | |
75 if (++warned == 1) warning("Use -XX:+UnlockDiagnosticVMOptions before EnableInvokeDynamic flag"); | |
76 return true; | |
77 } | |
0 | 78 return UnlockDiagnosticVMOptions; |
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79 } else if (strcmp(kind, "{experimental}") == 0 || |
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80 strcmp(kind, "{C2 experimental}") == 0) { |
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81 return UnlockExperimentalVMOptions; |
0 | 82 } else { |
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83 return is_unlocked_ext(); |
0 | 84 } |
85 } | |
86 | |
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87 // Get custom message for this locked flag, or return NULL if |
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88 // none is available. |
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89 void Flag::get_locked_message(char* buf, int buflen) const { |
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90 get_locked_message_ext(buf, buflen); |
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91 } |
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92 |
0 | 93 bool Flag::is_writeable() const { |
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94 return strcmp(kind, "{manageable}") == 0 || |
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95 strcmp(kind, "{product rw}") == 0 || |
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96 is_writeable_ext(); |
0 | 97 } |
98 | |
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99 // All flags except "manageable" are assumed to be internal flags. |
0 | 100 // Long term, we need to define a mechanism to specify which flags |
101 // are external/stable and change this function accordingly. | |
102 bool Flag::is_external() const { | |
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103 return strcmp(kind, "{manageable}") == 0 || is_external_ext(); |
0 | 104 } |
105 | |
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106 |
0 | 107 // Length of format string (e.g. "%.1234s") for printing ccstr below |
108 #define FORMAT_BUFFER_LEN 16 | |
109 | |
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110 void Flag::print_on(outputStream* st, bool withComments) { |
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111 st->print("%9s %-40s %c= ", type, name, (origin != DEFAULT ? ':' : ' ')); |
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112 if (is_bool()) st->print("%-16s", get_bool() ? "true" : "false"); |
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113 if (is_intx()) st->print("%-16ld", get_intx()); |
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114 if (is_uintx()) st->print("%-16lu", get_uintx()); |
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115 if (is_uint64_t()) st->print("%-16lu", get_uint64_t()); |
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116 if (is_double()) st->print("%-16f", get_double()); |
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117 |
0 | 118 if (is_ccstr()) { |
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119 const char* cp = get_ccstr(); |
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120 if (cp != NULL) { |
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121 const char* eol; |
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122 while ((eol = strchr(cp, '\n')) != NULL) { |
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123 char format_buffer[FORMAT_BUFFER_LEN]; |
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124 size_t llen = pointer_delta(eol, cp, sizeof(char)); |
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125 jio_snprintf(format_buffer, FORMAT_BUFFER_LEN, |
103 | 126 "%%." SIZE_FORMAT "s", llen); |
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127 st->print(format_buffer, cp); |
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128 st->cr(); |
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129 cp = eol+1; |
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130 st->print("%5s %-35s += ", "", name); |
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131 } |
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132 st->print("%-16s", cp); |
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133 } |
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134 else st->print("%-16s", ""); |
0 | 135 } |
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136 st->print("%-20s", kind); |
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137 if (withComments) { |
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138 #ifndef PRODUCT |
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139 st->print("%s", doc ); |
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140 #endif |
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141 } |
0 | 142 st->cr(); |
143 } | |
144 | |
145 void Flag::print_as_flag(outputStream* st) { | |
146 if (is_bool()) { | |
147 st->print("-XX:%s%s", get_bool() ? "+" : "-", name); | |
148 } else if (is_intx()) { | |
149 st->print("-XX:%s=" INTX_FORMAT, name, get_intx()); | |
150 } else if (is_uintx()) { | |
151 st->print("-XX:%s=" UINTX_FORMAT, name, get_uintx()); | |
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152 } else if (is_uint64_t()) { |
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153 st->print("-XX:%s=" UINT64_FORMAT, name, get_uint64_t()); |
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154 } else if (is_double()) { |
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155 st->print("-XX:%s=%f", name, get_double()); |
0 | 156 } else if (is_ccstr()) { |
157 st->print("-XX:%s=", name); | |
103 | 158 const char* cp = get_ccstr(); |
159 if (cp != NULL) { | |
160 // Need to turn embedded '\n's back into separate arguments | |
161 // Not so efficient to print one character at a time, | |
162 // but the choice is to do the transformation to a buffer | |
163 // and print that. And this need not be efficient. | |
164 for (; *cp != '\0'; cp += 1) { | |
165 switch (*cp) { | |
166 default: | |
167 st->print("%c", *cp); | |
168 break; | |
169 case '\n': | |
170 st->print(" -XX:%s=", name); | |
171 break; | |
172 } | |
0 | 173 } |
174 } | |
175 } else { | |
176 ShouldNotReachHere(); | |
177 } | |
178 } | |
179 | |
180 // 4991491 do not "optimize out" the was_set false values: omitting them | |
181 // tickles a Microsoft compiler bug causing flagTable to be malformed | |
182 | |
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183 #define RUNTIME_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product}", DEFAULT }, |
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184 #define RUNTIME_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{pd product}", DEFAULT }, |
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185 #define RUNTIME_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{diagnostic}", DEFAULT }, |
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186 #define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{experimental}", DEFAULT }, |
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187 #define RUNTIME_MANAGEABLE_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{manageable}", DEFAULT }, |
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188 #define RUNTIME_PRODUCT_RW_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product rw}", DEFAULT }, |
0 | 189 |
190 #ifdef PRODUCT | |
191 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
192 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
193 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
194 #else | |
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195 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "", DEFAULT }, |
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196 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{pd}", DEFAULT }, |
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197 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{notproduct}", DEFAULT }, |
0 | 198 #endif |
199 | |
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200 #ifdef _LP64 |
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201 #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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202 #else |
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203 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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204 #endif // _LP64 |
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205 |
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206 #define C1_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 product}", DEFAULT }, |
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207 #define C1_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 pd product}", DEFAULT }, |
0 | 208 #ifdef PRODUCT |
209 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
210 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
211 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
212 #else | |
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213 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1}", DEFAULT }, |
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214 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C1 pd}", DEFAULT }, |
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215 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1 notproduct}", DEFAULT }, |
0 | 216 #endif |
217 | |
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218 #define C2_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 product}", DEFAULT }, |
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219 #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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220 #define C2_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 diagnostic}", DEFAULT }, |
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221 #define C2_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 experimental}", DEFAULT }, |
0 | 222 #ifdef PRODUCT |
223 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
224 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
225 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
226 #else | |
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227 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2}", DEFAULT }, |
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228 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C2 pd}", DEFAULT }, |
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229 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2 notproduct}", DEFAULT }, |
0 | 230 #endif |
231 | |
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232 #define ARCH_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH product}", DEFAULT }, |
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233 #define ARCH_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH diagnostic}", DEFAULT }, |
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234 #define ARCH_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH experimental}", DEFAULT }, |
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235 #ifdef PRODUCT |
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236 #define ARCH_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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237 #define ARCH_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
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238 #else |
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239 #define ARCH_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{ARCH}", DEFAULT }, |
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240 #define ARCH_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{ARCH notproduct}", DEFAULT }, |
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241 #endif |
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242 |
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243 #define SHARK_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark product}", DEFAULT }, |
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244 #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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245 #define SHARK_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark diagnostic}", DEFAULT }, |
1692 | 246 #ifdef PRODUCT |
247 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
248 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
249 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
250 #else | |
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251 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark}", DEFAULT }, |
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252 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{Shark pd}", DEFAULT }, |
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253 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark notproduct}", DEFAULT }, |
1692 | 254 #endif |
0 | 255 |
256 static Flag flagTable[] = { | |
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257 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 | 258 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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259 #ifndef SERIALGC |
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260 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) |
342
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261 #endif // SERIALGC |
0 | 262 #ifdef COMPILER1 |
263 C1_FLAGS(C1_DEVELOP_FLAG_STRUCT, C1_PD_DEVELOP_FLAG_STRUCT, C1_PRODUCT_FLAG_STRUCT, C1_PD_PRODUCT_FLAG_STRUCT, C1_NOTPRODUCT_FLAG_STRUCT) | |
264 #endif | |
265 #ifdef COMPILER2 | |
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266 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 | 267 #endif |
1692 | 268 #ifdef SHARK |
269 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) | |
270 #endif | |
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271 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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272 FLAGTABLE_EXT |
0 | 273 {0, NULL, NULL} |
274 }; | |
275 | |
276 Flag* Flag::flags = flagTable; | |
277 size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); | |
278 | |
279 inline bool str_equal(const char* s, char* q, size_t len) { | |
280 // s is null terminated, q is not! | |
281 if (strlen(s) != (unsigned int) len) return false; | |
282 return strncmp(s, q, len) == 0; | |
283 } | |
284 | |
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285 // Search the flag table for a named flag |
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286 Flag* Flag::find_flag(char* name, size_t length, bool allow_locked) { |
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287 for (Flag* current = &flagTable[0]; current->name != NULL; current++) { |
0 | 288 if (str_equal(current->name, name, length)) { |
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289 // Found a matching entry. Report locked flags only if allowed. |
0 | 290 if (!(current->is_unlocked() || current->is_unlocker())) { |
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291 if (!allow_locked) { |
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292 // disable use of locked flags, e.g. diagnostic, experimental, |
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293 // commercial... until they are explicitly unlocked |
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294 return NULL; |
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295 } |
0 | 296 } |
297 return current; | |
298 } | |
299 } | |
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300 // Flag name is not in the flag table |
0 | 301 return NULL; |
302 } | |
303 | |
304 // Returns the address of the index'th element | |
305 static Flag* address_of_flag(CommandLineFlagWithType flag) { | |
306 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
307 return &Flag::flags[flag]; | |
308 } | |
309 | |
310 bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { | |
311 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
312 Flag* f = &Flag::flags[flag]; | |
313 return (f->origin == DEFAULT); | |
314 } | |
315 | |
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316 bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
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317 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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318 Flag* f = &Flag::flags[flag]; |
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319 return (f->origin == ERGONOMIC); |
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320 } |
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321 |
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322 bool CommandLineFlagsEx::is_cmdline(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 == COMMAND_LINE); |
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326 } |
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327 |
0 | 328 bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
329 Flag* result = Flag::find_flag((char*)name, strlen(name)); | |
330 if (result == NULL) return false; | |
331 *value = (result->origin == COMMAND_LINE); | |
332 return true; | |
333 } | |
334 | |
335 bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) { | |
336 Flag* result = Flag::find_flag(name, len); | |
337 if (result == NULL) return false; | |
338 if (!result->is_bool()) return false; | |
339 *value = result->get_bool(); | |
340 return true; | |
341 } | |
342 | |
343 bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin) { | |
344 Flag* result = Flag::find_flag(name, len); | |
345 if (result == NULL) return false; | |
346 if (!result->is_bool()) return false; | |
347 bool old_value = result->get_bool(); | |
348 result->set_bool(*value); | |
349 *value = old_value; | |
350 result->origin = origin; | |
351 return true; | |
352 } | |
353 | |
354 void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, FlagValueOrigin origin) { | |
355 Flag* faddr = address_of_flag(flag); | |
356 guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); | |
357 faddr->set_bool(value); | |
358 faddr->origin = origin; | |
359 } | |
360 | |
361 bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) { | |
362 Flag* result = Flag::find_flag(name, len); | |
363 if (result == NULL) return false; | |
364 if (!result->is_intx()) return false; | |
365 *value = result->get_intx(); | |
366 return true; | |
367 } | |
368 | |
369 bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin) { | |
370 Flag* result = Flag::find_flag(name, len); | |
371 if (result == NULL) return false; | |
372 if (!result->is_intx()) return false; | |
373 intx old_value = result->get_intx(); | |
374 result->set_intx(*value); | |
375 *value = old_value; | |
376 result->origin = origin; | |
377 return true; | |
378 } | |
379 | |
380 void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, FlagValueOrigin origin) { | |
381 Flag* faddr = address_of_flag(flag); | |
382 guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); | |
383 faddr->set_intx(value); | |
384 faddr->origin = origin; | |
385 } | |
386 | |
387 bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) { | |
388 Flag* result = Flag::find_flag(name, len); | |
389 if (result == NULL) return false; | |
390 if (!result->is_uintx()) return false; | |
391 *value = result->get_uintx(); | |
392 return true; | |
393 } | |
394 | |
395 bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin) { | |
396 Flag* result = Flag::find_flag(name, len); | |
397 if (result == NULL) return false; | |
398 if (!result->is_uintx()) return false; | |
399 uintx old_value = result->get_uintx(); | |
400 result->set_uintx(*value); | |
401 *value = old_value; | |
402 result->origin = origin; | |
403 return true; | |
404 } | |
405 | |
406 void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, FlagValueOrigin origin) { | |
407 Flag* faddr = address_of_flag(flag); | |
408 guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); | |
409 faddr->set_uintx(value); | |
410 faddr->origin = origin; | |
411 } | |
412 | |
1064 | 413 bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) { |
414 Flag* result = Flag::find_flag(name, len); | |
415 if (result == NULL) return false; | |
416 if (!result->is_uint64_t()) return false; | |
417 *value = result->get_uint64_t(); | |
418 return true; | |
419 } | |
420 | |
421 bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin) { | |
422 Flag* result = Flag::find_flag(name, len); | |
423 if (result == NULL) return false; | |
424 if (!result->is_uint64_t()) return false; | |
425 uint64_t old_value = result->get_uint64_t(); | |
426 result->set_uint64_t(*value); | |
427 *value = old_value; | |
428 result->origin = origin; | |
429 return true; | |
430 } | |
431 | |
432 void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, FlagValueOrigin origin) { | |
433 Flag* faddr = address_of_flag(flag); | |
434 guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type"); | |
435 faddr->set_uint64_t(value); | |
436 faddr->origin = origin; | |
437 } | |
438 | |
0 | 439 bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) { |
440 Flag* result = Flag::find_flag(name, len); | |
441 if (result == NULL) return false; | |
442 if (!result->is_double()) return false; | |
443 *value = result->get_double(); | |
444 return true; | |
445 } | |
446 | |
447 bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin) { | |
448 Flag* result = Flag::find_flag(name, len); | |
449 if (result == NULL) return false; | |
450 if (!result->is_double()) return false; | |
451 double old_value = result->get_double(); | |
452 result->set_double(*value); | |
453 *value = old_value; | |
454 result->origin = origin; | |
455 return true; | |
456 } | |
457 | |
458 void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, FlagValueOrigin origin) { | |
459 Flag* faddr = address_of_flag(flag); | |
460 guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); | |
461 faddr->set_double(value); | |
462 faddr->origin = origin; | |
463 } | |
464 | |
465 bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) { | |
466 Flag* result = Flag::find_flag(name, len); | |
467 if (result == NULL) return false; | |
468 if (!result->is_ccstr()) return false; | |
469 *value = result->get_ccstr(); | |
470 return true; | |
471 } | |
472 | |
473 // Contract: Flag will make private copy of the incoming value. | |
474 // Outgoing value is always malloc-ed, and caller MUST call free. | |
475 bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin) { | |
476 Flag* result = Flag::find_flag(name, len); | |
477 if (result == NULL) return false; | |
478 if (!result->is_ccstr()) return false; | |
479 ccstr old_value = result->get_ccstr(); | |
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480 char* new_value = NULL; |
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481 if (*value != NULL) { |
6197 | 482 new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1, mtInternal); |
370
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483 strcpy(new_value, *value); |
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484 } |
0 | 485 result->set_ccstr(new_value); |
486 if (result->origin == DEFAULT && old_value != NULL) { | |
487 // Prior value is NOT heap allocated, but was a literal constant. | |
6197 | 488 char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1, mtInternal); |
0 | 489 strcpy(old_value_to_free, old_value); |
490 old_value = old_value_to_free; | |
491 } | |
492 *value = old_value; | |
493 result->origin = origin; | |
494 return true; | |
495 } | |
496 | |
497 // Contract: Flag will make private copy of the incoming value. | |
498 void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, FlagValueOrigin origin) { | |
499 Flag* faddr = address_of_flag(flag); | |
500 guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); | |
501 ccstr old_value = faddr->get_ccstr(); | |
6197 | 502 char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1, mtInternal); |
0 | 503 strcpy(new_value, value); |
504 faddr->set_ccstr(new_value); | |
505 if (faddr->origin != DEFAULT && old_value != NULL) { | |
506 // Prior value is heap allocated so free it. | |
6197 | 507 FREE_C_HEAP_ARRAY(char, old_value, mtInternal); |
0 | 508 } |
509 faddr->origin = origin; | |
510 } | |
511 | |
512 extern "C" { | |
513 static int compare_flags(const void* void_a, const void* void_b) { | |
514 return strcmp((*((Flag**) void_a))->name, (*((Flag**) void_b))->name); | |
515 } | |
516 } | |
517 | |
4773 | 518 void CommandLineFlags::printSetFlags(outputStream* out) { |
0 | 519 // Print which flags were set on the command line |
520 // note: this method is called before the thread structure is in place | |
521 // which means resource allocation cannot be used. | |
522 | |
523 // Compute size | |
524 int length= 0; | |
525 while (flagTable[length].name != NULL) length++; | |
526 | |
527 // Sort | |
6197 | 528 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
0 | 529 for (int index = 0; index < length; index++) { |
530 array[index] = &flagTable[index]; | |
531 } | |
532 qsort(array, length, sizeof(Flag*), compare_flags); | |
533 | |
534 // Print | |
535 for (int i = 0; i < length; i++) { | |
536 if (array[i]->origin /* naked field! */) { | |
4773 | 537 array[i]->print_as_flag(out); |
538 out->print(" "); | |
0 | 539 } |
540 } | |
4773 | 541 out->cr(); |
6197 | 542 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 543 } |
544 | |
545 #ifndef PRODUCT | |
546 | |
547 | |
548 void CommandLineFlags::verify() { | |
549 assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); | |
550 } | |
551 | |
1150 | 552 #endif // PRODUCT |
553 | |
4773 | 554 void CommandLineFlags::printFlags(outputStream* out, bool withComments) { |
0 | 555 // Print the flags sorted by name |
556 // note: this method is called before the thread structure is in place | |
557 // which means resource allocation cannot be used. | |
558 | |
559 // Compute size | |
560 int length= 0; | |
561 while (flagTable[length].name != NULL) length++; | |
562 | |
563 // Sort | |
6197 | 564 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
0 | 565 for (int index = 0; index < length; index++) { |
566 array[index] = &flagTable[index]; | |
567 } | |
568 qsort(array, length, sizeof(Flag*), compare_flags); | |
569 | |
570 // Print | |
4773 | 571 out->print_cr("[Global flags]"); |
0 | 572 for (int i = 0; i < length; i++) { |
573 if (array[i]->is_unlocked()) { | |
4773 | 574 array[i]->print_on(out, withComments); |
0 | 575 } |
576 } | |
6197 | 577 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 578 } |