Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/globals.cpp @ 6580:d56d600819fe
moved AMD64 into its own (new) project: com.oracle.graal.amd64
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 25 Oct 2012 12:52:54 +0200 |
parents | d2a62e0f25eb |
children | a5dd6e3ef9f3 |
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 | |
47 RUNTIME_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ | |
48 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ | |
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49 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
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50 MATERIALIZE_NOTPRODUCT_FLAG, \ |
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51 MATERIALIZE_MANAGEABLE_FLAG, MATERIALIZE_PRODUCT_RW_FLAG, \ |
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52 MATERIALIZE_LP64_PRODUCT_FLAG) |
0 | 53 |
54 RUNTIME_OS_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ | |
55 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ | |
56 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_NOTPRODUCT_FLAG) | |
57 | |
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58 MATERIALIZE_FLAGS_EXT |
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59 |
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60 |
0 | 61 bool Flag::is_unlocker() const { |
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62 return strcmp(name, "UnlockDiagnosticVMOptions") == 0 || |
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63 strcmp(name, "UnlockExperimentalVMOptions") == 0 || |
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64 is_unlocker_ext(); |
0 | 65 } |
66 | |
67 bool Flag::is_unlocked() const { | |
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68 if (strcmp(kind, "{diagnostic}") == 0) { |
2460 | 69 if (strcmp(name, "EnableInvokeDynamic") == 0 && UnlockExperimentalVMOptions && !UnlockDiagnosticVMOptions) { |
70 // transitional logic to allow tests to run until they are changed | |
71 static int warned; | |
72 if (++warned == 1) warning("Use -XX:+UnlockDiagnosticVMOptions before EnableInvokeDynamic flag"); | |
73 return true; | |
74 } | |
0 | 75 return UnlockDiagnosticVMOptions; |
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76 } else if (strcmp(kind, "{experimental}") == 0 || |
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77 strcmp(kind, "{C2 experimental}") == 0) { |
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78 return UnlockExperimentalVMOptions; |
0 | 79 } else { |
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80 return is_unlocked_ext(); |
0 | 81 } |
82 } | |
83 | |
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84 // Get custom message for this locked flag, or return NULL if |
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85 // none is available. |
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86 void Flag::get_locked_message(char* buf, int buflen) const { |
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87 get_locked_message_ext(buf, buflen); |
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88 } |
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89 |
0 | 90 bool Flag::is_writeable() const { |
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91 return strcmp(kind, "{manageable}") == 0 || |
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92 strcmp(kind, "{product rw}") == 0 || |
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93 is_writeable_ext(); |
0 | 94 } |
95 | |
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96 // All flags except "manageable" are assumed to be internal flags. |
0 | 97 // Long term, we need to define a mechanism to specify which flags |
98 // are external/stable and change this function accordingly. | |
99 bool Flag::is_external() const { | |
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100 return strcmp(kind, "{manageable}") == 0 || is_external_ext(); |
0 | 101 } |
102 | |
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103 |
0 | 104 // Length of format string (e.g. "%.1234s") for printing ccstr below |
105 #define FORMAT_BUFFER_LEN 16 | |
106 | |
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107 void Flag::print_on(outputStream* st, bool withComments) { |
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108 st->print("%9s %-40s %c= ", type, name, (origin != DEFAULT ? ':' : ' ')); |
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109 if (is_bool()) st->print("%-16s", get_bool() ? "true" : "false"); |
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110 if (is_intx()) st->print("%-16ld", get_intx()); |
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111 if (is_uintx()) st->print("%-16lu", get_uintx()); |
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112 if (is_uint64_t()) st->print("%-16lu", get_uint64_t()); |
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113 if (is_double()) st->print("%-16f", get_double()); |
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114 |
0 | 115 if (is_ccstr()) { |
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116 const char* cp = get_ccstr(); |
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117 if (cp != NULL) { |
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118 const char* eol; |
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119 while ((eol = strchr(cp, '\n')) != NULL) { |
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120 char format_buffer[FORMAT_BUFFER_LEN]; |
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121 size_t llen = pointer_delta(eol, cp, sizeof(char)); |
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122 jio_snprintf(format_buffer, FORMAT_BUFFER_LEN, |
103 | 123 "%%." SIZE_FORMAT "s", llen); |
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124 st->print(format_buffer, cp); |
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125 st->cr(); |
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126 cp = eol+1; |
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127 st->print("%5s %-35s += ", "", name); |
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128 } |
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129 st->print("%-16s", cp); |
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130 } |
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131 else st->print("%-16s", ""); |
0 | 132 } |
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133 st->print("%-20s", kind); |
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134 if (withComments) { |
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135 #ifndef PRODUCT |
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136 st->print("%s", doc ); |
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137 #endif |
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138 } |
0 | 139 st->cr(); |
140 } | |
141 | |
142 void Flag::print_as_flag(outputStream* st) { | |
143 if (is_bool()) { | |
144 st->print("-XX:%s%s", get_bool() ? "+" : "-", name); | |
145 } else if (is_intx()) { | |
146 st->print("-XX:%s=" INTX_FORMAT, name, get_intx()); | |
147 } else if (is_uintx()) { | |
148 st->print("-XX:%s=" UINTX_FORMAT, name, get_uintx()); | |
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149 } else if (is_uint64_t()) { |
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150 st->print("-XX:%s=" UINT64_FORMAT, name, get_uint64_t()); |
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151 } else if (is_double()) { |
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152 st->print("-XX:%s=%f", name, get_double()); |
0 | 153 } else if (is_ccstr()) { |
154 st->print("-XX:%s=", name); | |
103 | 155 const char* cp = get_ccstr(); |
156 if (cp != NULL) { | |
157 // Need to turn embedded '\n's back into separate arguments | |
158 // Not so efficient to print one character at a time, | |
159 // but the choice is to do the transformation to a buffer | |
160 // and print that. And this need not be efficient. | |
161 for (; *cp != '\0'; cp += 1) { | |
162 switch (*cp) { | |
163 default: | |
164 st->print("%c", *cp); | |
165 break; | |
166 case '\n': | |
167 st->print(" -XX:%s=", name); | |
168 break; | |
169 } | |
0 | 170 } |
171 } | |
172 } else { | |
173 ShouldNotReachHere(); | |
174 } | |
175 } | |
176 | |
177 // 4991491 do not "optimize out" the was_set false values: omitting them | |
178 // tickles a Microsoft compiler bug causing flagTable to be malformed | |
179 | |
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180 #define RUNTIME_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product}", DEFAULT }, |
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181 #define RUNTIME_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{pd product}", DEFAULT }, |
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182 #define RUNTIME_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{diagnostic}", DEFAULT }, |
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183 #define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{experimental}", DEFAULT }, |
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184 #define RUNTIME_MANAGEABLE_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{manageable}", DEFAULT }, |
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185 #define RUNTIME_PRODUCT_RW_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product rw}", DEFAULT }, |
0 | 186 |
187 #ifdef PRODUCT | |
188 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
189 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
190 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
191 #else | |
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192 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "", DEFAULT }, |
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193 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{pd}", DEFAULT }, |
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194 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{notproduct}", DEFAULT }, |
0 | 195 #endif |
196 | |
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197 #ifdef _LP64 |
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198 #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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199 #else |
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200 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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201 #endif // _LP64 |
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202 |
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203 #define C1_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 product}", DEFAULT }, |
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204 #define C1_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 pd product}", DEFAULT }, |
0 | 205 #ifdef PRODUCT |
206 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
207 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
208 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
209 #else | |
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210 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1}", DEFAULT }, |
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211 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C1 pd}", DEFAULT }, |
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212 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1 notproduct}", DEFAULT }, |
0 | 213 #endif |
214 | |
215 | |
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216 #define C2_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 product}", DEFAULT }, |
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217 #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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218 #define C2_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 diagnostic}", DEFAULT }, |
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219 #define C2_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 experimental}", DEFAULT }, |
0 | 220 #ifdef PRODUCT |
221 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
222 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
223 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
224 #else | |
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225 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2}", DEFAULT }, |
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226 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C2 pd}", DEFAULT }, |
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227 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2 notproduct}", DEFAULT }, |
0 | 228 #endif |
229 | |
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230 #define SHARK_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark product}", DEFAULT }, |
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231 #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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232 #define SHARK_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark diagnostic}", DEFAULT }, |
1692 | 233 #ifdef PRODUCT |
234 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
235 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
236 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
237 #else | |
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238 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark}", DEFAULT }, |
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239 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{Shark pd}", DEFAULT }, |
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240 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark notproduct}", DEFAULT }, |
1692 | 241 #endif |
0 | 242 |
243 static Flag flagTable[] = { | |
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244 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 | 245 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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246 #ifndef SERIALGC |
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247 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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248 #endif // SERIALGC |
0 | 249 #ifdef COMPILER1 |
250 C1_FLAGS(C1_DEVELOP_FLAG_STRUCT, C1_PD_DEVELOP_FLAG_STRUCT, C1_PRODUCT_FLAG_STRUCT, C1_PD_PRODUCT_FLAG_STRUCT, C1_NOTPRODUCT_FLAG_STRUCT) | |
251 #endif | |
252 #ifdef COMPILER2 | |
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253 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 | 254 #endif |
1692 | 255 #ifdef SHARK |
256 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) | |
257 #endif | |
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258 FLAGTABLE_EXT |
0 | 259 {0, NULL, NULL} |
260 }; | |
261 | |
262 Flag* Flag::flags = flagTable; | |
263 size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); | |
264 | |
265 inline bool str_equal(const char* s, char* q, size_t len) { | |
266 // s is null terminated, q is not! | |
267 if (strlen(s) != (unsigned int) len) return false; | |
268 return strncmp(s, q, len) == 0; | |
269 } | |
270 | |
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271 // Search the flag table for a named flag |
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272 Flag* Flag::find_flag(char* name, size_t length, bool allow_locked) { |
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273 for (Flag* current = &flagTable[0]; current->name != NULL; current++) { |
0 | 274 if (str_equal(current->name, name, length)) { |
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275 // Found a matching entry. Report locked flags only if allowed. |
0 | 276 if (!(current->is_unlocked() || current->is_unlocker())) { |
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277 if (!allow_locked) { |
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278 // disable use of locked flags, e.g. diagnostic, experimental, |
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279 // commercial... until they are explicitly unlocked |
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280 return NULL; |
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281 } |
0 | 282 } |
283 return current; | |
284 } | |
285 } | |
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286 // Flag name is not in the flag table |
0 | 287 return NULL; |
288 } | |
289 | |
290 // Returns the address of the index'th element | |
291 static Flag* address_of_flag(CommandLineFlagWithType flag) { | |
292 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
293 return &Flag::flags[flag]; | |
294 } | |
295 | |
296 bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { | |
297 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
298 Flag* f = &Flag::flags[flag]; | |
299 return (f->origin == DEFAULT); | |
300 } | |
301 | |
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302 bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
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303 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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304 Flag* f = &Flag::flags[flag]; |
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305 return (f->origin == ERGONOMIC); |
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306 } |
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307 |
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308 bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) { |
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309 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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310 Flag* f = &Flag::flags[flag]; |
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311 return (f->origin == COMMAND_LINE); |
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312 } |
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313 |
0 | 314 bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
315 Flag* result = Flag::find_flag((char*)name, strlen(name)); | |
316 if (result == NULL) return false; | |
317 *value = (result->origin == COMMAND_LINE); | |
318 return true; | |
319 } | |
320 | |
321 bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) { | |
322 Flag* result = Flag::find_flag(name, len); | |
323 if (result == NULL) return false; | |
324 if (!result->is_bool()) return false; | |
325 *value = result->get_bool(); | |
326 return true; | |
327 } | |
328 | |
329 bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin) { | |
330 Flag* result = Flag::find_flag(name, len); | |
331 if (result == NULL) return false; | |
332 if (!result->is_bool()) return false; | |
333 bool old_value = result->get_bool(); | |
334 result->set_bool(*value); | |
335 *value = old_value; | |
336 result->origin = origin; | |
337 return true; | |
338 } | |
339 | |
340 void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, FlagValueOrigin origin) { | |
341 Flag* faddr = address_of_flag(flag); | |
342 guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); | |
343 faddr->set_bool(value); | |
344 faddr->origin = origin; | |
345 } | |
346 | |
347 bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) { | |
348 Flag* result = Flag::find_flag(name, len); | |
349 if (result == NULL) return false; | |
350 if (!result->is_intx()) return false; | |
351 *value = result->get_intx(); | |
352 return true; | |
353 } | |
354 | |
355 bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin) { | |
356 Flag* result = Flag::find_flag(name, len); | |
357 if (result == NULL) return false; | |
358 if (!result->is_intx()) return false; | |
359 intx old_value = result->get_intx(); | |
360 result->set_intx(*value); | |
361 *value = old_value; | |
362 result->origin = origin; | |
363 return true; | |
364 } | |
365 | |
366 void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, FlagValueOrigin origin) { | |
367 Flag* faddr = address_of_flag(flag); | |
368 guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); | |
369 faddr->set_intx(value); | |
370 faddr->origin = origin; | |
371 } | |
372 | |
373 bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) { | |
374 Flag* result = Flag::find_flag(name, len); | |
375 if (result == NULL) return false; | |
376 if (!result->is_uintx()) return false; | |
377 *value = result->get_uintx(); | |
378 return true; | |
379 } | |
380 | |
381 bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin) { | |
382 Flag* result = Flag::find_flag(name, len); | |
383 if (result == NULL) return false; | |
384 if (!result->is_uintx()) return false; | |
385 uintx old_value = result->get_uintx(); | |
386 result->set_uintx(*value); | |
387 *value = old_value; | |
388 result->origin = origin; | |
389 return true; | |
390 } | |
391 | |
392 void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, FlagValueOrigin origin) { | |
393 Flag* faddr = address_of_flag(flag); | |
394 guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); | |
395 faddr->set_uintx(value); | |
396 faddr->origin = origin; | |
397 } | |
398 | |
1064 | 399 bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) { |
400 Flag* result = Flag::find_flag(name, len); | |
401 if (result == NULL) return false; | |
402 if (!result->is_uint64_t()) return false; | |
403 *value = result->get_uint64_t(); | |
404 return true; | |
405 } | |
406 | |
407 bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin) { | |
408 Flag* result = Flag::find_flag(name, len); | |
409 if (result == NULL) return false; | |
410 if (!result->is_uint64_t()) return false; | |
411 uint64_t old_value = result->get_uint64_t(); | |
412 result->set_uint64_t(*value); | |
413 *value = old_value; | |
414 result->origin = origin; | |
415 return true; | |
416 } | |
417 | |
418 void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, FlagValueOrigin origin) { | |
419 Flag* faddr = address_of_flag(flag); | |
420 guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type"); | |
421 faddr->set_uint64_t(value); | |
422 faddr->origin = origin; | |
423 } | |
424 | |
0 | 425 bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) { |
426 Flag* result = Flag::find_flag(name, len); | |
427 if (result == NULL) return false; | |
428 if (!result->is_double()) return false; | |
429 *value = result->get_double(); | |
430 return true; | |
431 } | |
432 | |
433 bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin) { | |
434 Flag* result = Flag::find_flag(name, len); | |
435 if (result == NULL) return false; | |
436 if (!result->is_double()) return false; | |
437 double old_value = result->get_double(); | |
438 result->set_double(*value); | |
439 *value = old_value; | |
440 result->origin = origin; | |
441 return true; | |
442 } | |
443 | |
444 void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, FlagValueOrigin origin) { | |
445 Flag* faddr = address_of_flag(flag); | |
446 guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); | |
447 faddr->set_double(value); | |
448 faddr->origin = origin; | |
449 } | |
450 | |
451 bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) { | |
452 Flag* result = Flag::find_flag(name, len); | |
453 if (result == NULL) return false; | |
454 if (!result->is_ccstr()) return false; | |
455 *value = result->get_ccstr(); | |
456 return true; | |
457 } | |
458 | |
459 // Contract: Flag will make private copy of the incoming value. | |
460 // Outgoing value is always malloc-ed, and caller MUST call free. | |
461 bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin) { | |
462 Flag* result = Flag::find_flag(name, len); | |
463 if (result == NULL) return false; | |
464 if (!result->is_ccstr()) return false; | |
465 ccstr old_value = result->get_ccstr(); | |
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466 char* new_value = NULL; |
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467 if (*value != NULL) { |
6197 | 468 new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1, mtInternal); |
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469 strcpy(new_value, *value); |
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470 } |
0 | 471 result->set_ccstr(new_value); |
472 if (result->origin == DEFAULT && old_value != NULL) { | |
473 // Prior value is NOT heap allocated, but was a literal constant. | |
6197 | 474 char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1, mtInternal); |
0 | 475 strcpy(old_value_to_free, old_value); |
476 old_value = old_value_to_free; | |
477 } | |
478 *value = old_value; | |
479 result->origin = origin; | |
480 return true; | |
481 } | |
482 | |
483 // Contract: Flag will make private copy of the incoming value. | |
484 void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, FlagValueOrigin origin) { | |
485 Flag* faddr = address_of_flag(flag); | |
486 guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); | |
487 ccstr old_value = faddr->get_ccstr(); | |
6197 | 488 char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1, mtInternal); |
0 | 489 strcpy(new_value, value); |
490 faddr->set_ccstr(new_value); | |
491 if (faddr->origin != DEFAULT && old_value != NULL) { | |
492 // Prior value is heap allocated so free it. | |
6197 | 493 FREE_C_HEAP_ARRAY(char, old_value, mtInternal); |
0 | 494 } |
495 faddr->origin = origin; | |
496 } | |
497 | |
498 extern "C" { | |
499 static int compare_flags(const void* void_a, const void* void_b) { | |
500 return strcmp((*((Flag**) void_a))->name, (*((Flag**) void_b))->name); | |
501 } | |
502 } | |
503 | |
4773 | 504 void CommandLineFlags::printSetFlags(outputStream* out) { |
0 | 505 // Print which flags were set on the command line |
506 // note: this method is called before the thread structure is in place | |
507 // which means resource allocation cannot be used. | |
508 | |
509 // Compute size | |
510 int length= 0; | |
511 while (flagTable[length].name != NULL) length++; | |
512 | |
513 // Sort | |
6197 | 514 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
0 | 515 for (int index = 0; index < length; index++) { |
516 array[index] = &flagTable[index]; | |
517 } | |
518 qsort(array, length, sizeof(Flag*), compare_flags); | |
519 | |
520 // Print | |
521 for (int i = 0; i < length; i++) { | |
522 if (array[i]->origin /* naked field! */) { | |
4773 | 523 array[i]->print_as_flag(out); |
524 out->print(" "); | |
0 | 525 } |
526 } | |
4773 | 527 out->cr(); |
6197 | 528 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 529 } |
530 | |
531 #ifndef PRODUCT | |
532 | |
533 | |
534 void CommandLineFlags::verify() { | |
535 assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); | |
536 } | |
537 | |
1150 | 538 #endif // PRODUCT |
539 | |
4773 | 540 void CommandLineFlags::printFlags(outputStream* out, bool withComments) { |
0 | 541 // Print the flags sorted by name |
542 // note: this method is called before the thread structure is in place | |
543 // which means resource allocation cannot be used. | |
544 | |
545 // Compute size | |
546 int length= 0; | |
547 while (flagTable[length].name != NULL) length++; | |
548 | |
549 // Sort | |
6197 | 550 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
0 | 551 for (int index = 0; index < length; index++) { |
552 array[index] = &flagTable[index]; | |
553 } | |
554 qsort(array, length, sizeof(Flag*), compare_flags); | |
555 | |
556 // Print | |
4773 | 557 out->print_cr("[Global flags]"); |
0 | 558 for (int i = 0; i < length; i++) { |
559 if (array[i]->is_unlocked()) { | |
4773 | 560 array[i]->print_on(out, withComments); |
0 | 561 } |
562 } | |
6197 | 563 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 564 } |