Mercurial > hg > graal-jvmci-8
annotate src/share/vm/runtime/globals.cpp @ 12297:586fa1919a89
8014911: Should use SUPPORTS_NATIVE_CX8 define to help C/C++ compiler elide blocks of code
Summary: If SUPPORTS_NATIVE_CX8 true then supports_cx8() function hard coded to return 'true'
Reviewed-by: kvn, twisti, dholmes
author | bpittore |
---|---|
date | Fri, 20 Sep 2013 15:06:23 -0400 |
parents | f98f5d48f511 |
children | 72b7e96c1922 |
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) { |
0 | 76 return UnlockDiagnosticVMOptions; |
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77 } else if (strcmp(kind, "{experimental}") == 0 || |
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78 strcmp(kind, "{C2 experimental}") == 0 || |
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79 strcmp(kind, "{ARCH experimental}") == 0 || |
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80 strcmp(kind, "{Shark 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 }, |
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208 #define C1_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 diagnostic}", DEFAULT }, |
0 | 209 #ifdef PRODUCT |
210 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
211 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
212 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
213 #else | |
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214 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1}", DEFAULT }, |
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215 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C1 pd}", DEFAULT }, |
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216 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1 notproduct}", DEFAULT }, |
0 | 217 #endif |
218 | |
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219 #define C2_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 product}", DEFAULT }, |
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220 #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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221 #define C2_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 diagnostic}", DEFAULT }, |
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222 #define C2_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 experimental}", DEFAULT }, |
0 | 223 #ifdef PRODUCT |
224 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
225 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
226 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
227 #else | |
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228 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2}", DEFAULT }, |
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229 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C2 pd}", DEFAULT }, |
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230 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2 notproduct}", DEFAULT }, |
0 | 231 #endif |
232 | |
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233 #define ARCH_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH product}", DEFAULT }, |
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234 #define ARCH_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH diagnostic}", DEFAULT }, |
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235 #define ARCH_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH experimental}", DEFAULT }, |
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236 #ifdef PRODUCT |
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237 #define ARCH_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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238 #define ARCH_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
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239 #else |
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240 #define ARCH_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{ARCH}", DEFAULT }, |
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241 #define ARCH_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{ARCH notproduct}", DEFAULT }, |
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242 #endif |
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243 |
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244 #define SHARK_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark product}", DEFAULT }, |
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245 #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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246 #define SHARK_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark diagnostic}", DEFAULT }, |
1692 | 247 #ifdef PRODUCT |
248 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
249 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
250 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
251 #else | |
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252 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark}", DEFAULT }, |
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253 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{Shark pd}", DEFAULT }, |
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254 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark notproduct}", DEFAULT }, |
1692 | 255 #endif |
0 | 256 |
257 static Flag flagTable[] = { | |
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258 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 | 259 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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260 #if INCLUDE_ALL_GCS |
350
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261 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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262 #endif // INCLUDE_ALL_GCS |
0 | 263 #ifdef COMPILER1 |
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264 C1_FLAGS(C1_DEVELOP_FLAG_STRUCT, C1_PD_DEVELOP_FLAG_STRUCT, C1_PRODUCT_FLAG_STRUCT, C1_PD_PRODUCT_FLAG_STRUCT, C1_DIAGNOSTIC_FLAG_STRUCT, C1_NOTPRODUCT_FLAG_STRUCT) |
0 | 265 #endif |
266 #ifdef COMPILER2 | |
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267 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 | 268 #endif |
1692 | 269 #ifdef SHARK |
270 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) | |
271 #endif | |
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272 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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273 FLAGTABLE_EXT |
0 | 274 {0, NULL, NULL} |
275 }; | |
276 | |
277 Flag* Flag::flags = flagTable; | |
278 size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); | |
279 | |
11070 | 280 inline bool str_equal(const char* s, const char* q, size_t len) { |
0 | 281 // s is null terminated, q is not! |
282 if (strlen(s) != (unsigned int) len) return false; | |
283 return strncmp(s, q, len) == 0; | |
284 } | |
285 | |
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286 // Search the flag table for a named flag |
11070 | 287 Flag* Flag::find_flag(const char* name, size_t length, bool allow_locked) { |
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288 for (Flag* current = &flagTable[0]; current->name != NULL; current++) { |
0 | 289 if (str_equal(current->name, name, length)) { |
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290 // Found a matching entry. Report locked flags only if allowed. |
0 | 291 if (!(current->is_unlocked() || current->is_unlocker())) { |
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292 if (!allow_locked) { |
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293 // disable use of locked flags, e.g. diagnostic, experimental, |
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294 // commercial... until they are explicitly unlocked |
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295 return NULL; |
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296 } |
0 | 297 } |
298 return current; | |
299 } | |
300 } | |
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301 // Flag name is not in the flag table |
0 | 302 return NULL; |
303 } | |
304 | |
11070 | 305 // Compute string similarity based on Dice's coefficient |
306 static float str_similar(const char* str1, const char* str2, size_t len2) { | |
307 int len1 = (int) strlen(str1); | |
308 int total = len1 + (int) len2; | |
309 | |
310 int hit = 0; | |
311 | |
312 for (int i = 0; i < len1 -1; ++i) { | |
313 for (int j = 0; j < (int) len2 -1; ++j) { | |
314 if ((str1[i] == str2[j]) && (str1[i+1] == str2[j+1])) { | |
315 ++hit; | |
316 break; | |
317 } | |
318 } | |
319 } | |
320 | |
321 return 2.0f * (float) hit / (float) total; | |
322 } | |
323 | |
324 Flag* Flag::fuzzy_match(const char* name, size_t length, bool allow_locked) { | |
325 float VMOptionsFuzzyMatchSimilarity = 0.7f; | |
326 Flag* match = NULL; | |
327 float score; | |
328 float max_score = -1; | |
329 | |
330 for (Flag* current = &flagTable[0]; current->name != NULL; current++) { | |
331 score = str_similar(current->name, name, length); | |
332 if (score > max_score) { | |
333 max_score = score; | |
334 match = current; | |
335 } | |
336 } | |
337 | |
338 if (!(match->is_unlocked() || match->is_unlocker())) { | |
339 if (!allow_locked) { | |
340 return NULL; | |
341 } | |
342 } | |
343 | |
344 if (max_score < VMOptionsFuzzyMatchSimilarity) { | |
345 return NULL; | |
346 } | |
347 | |
348 return match; | |
349 } | |
350 | |
0 | 351 // Returns the address of the index'th element |
352 static Flag* address_of_flag(CommandLineFlagWithType flag) { | |
353 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
354 return &Flag::flags[flag]; | |
355 } | |
356 | |
357 bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { | |
358 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
359 Flag* f = &Flag::flags[flag]; | |
360 return (f->origin == DEFAULT); | |
361 } | |
362 | |
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363 bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
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364 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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365 Flag* f = &Flag::flags[flag]; |
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366 return (f->origin == ERGONOMIC); |
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367 } |
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368 |
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369 bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) { |
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370 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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371 Flag* f = &Flag::flags[flag]; |
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372 return (f->origin == COMMAND_LINE); |
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373 } |
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374 |
0 | 375 bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
376 Flag* result = Flag::find_flag((char*)name, strlen(name)); | |
377 if (result == NULL) return false; | |
378 *value = (result->origin == COMMAND_LINE); | |
379 return true; | |
380 } | |
381 | |
382 bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) { | |
383 Flag* result = Flag::find_flag(name, len); | |
384 if (result == NULL) return false; | |
385 if (!result->is_bool()) return false; | |
386 *value = result->get_bool(); | |
387 return true; | |
388 } | |
389 | |
390 bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin) { | |
391 Flag* result = Flag::find_flag(name, len); | |
392 if (result == NULL) return false; | |
393 if (!result->is_bool()) return false; | |
394 bool old_value = result->get_bool(); | |
395 result->set_bool(*value); | |
396 *value = old_value; | |
397 result->origin = origin; | |
398 return true; | |
399 } | |
400 | |
401 void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, FlagValueOrigin origin) { | |
402 Flag* faddr = address_of_flag(flag); | |
403 guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); | |
404 faddr->set_bool(value); | |
405 faddr->origin = origin; | |
406 } | |
407 | |
408 bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) { | |
409 Flag* result = Flag::find_flag(name, len); | |
410 if (result == NULL) return false; | |
411 if (!result->is_intx()) return false; | |
412 *value = result->get_intx(); | |
413 return true; | |
414 } | |
415 | |
416 bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin) { | |
417 Flag* result = Flag::find_flag(name, len); | |
418 if (result == NULL) return false; | |
419 if (!result->is_intx()) return false; | |
420 intx old_value = result->get_intx(); | |
421 result->set_intx(*value); | |
422 *value = old_value; | |
423 result->origin = origin; | |
424 return true; | |
425 } | |
426 | |
427 void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, FlagValueOrigin origin) { | |
428 Flag* faddr = address_of_flag(flag); | |
429 guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); | |
430 faddr->set_intx(value); | |
431 faddr->origin = origin; | |
432 } | |
433 | |
434 bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) { | |
435 Flag* result = Flag::find_flag(name, len); | |
436 if (result == NULL) return false; | |
437 if (!result->is_uintx()) return false; | |
438 *value = result->get_uintx(); | |
439 return true; | |
440 } | |
441 | |
442 bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin) { | |
443 Flag* result = Flag::find_flag(name, len); | |
444 if (result == NULL) return false; | |
445 if (!result->is_uintx()) return false; | |
446 uintx old_value = result->get_uintx(); | |
447 result->set_uintx(*value); | |
448 *value = old_value; | |
449 result->origin = origin; | |
450 return true; | |
451 } | |
452 | |
453 void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, FlagValueOrigin origin) { | |
454 Flag* faddr = address_of_flag(flag); | |
455 guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); | |
456 faddr->set_uintx(value); | |
457 faddr->origin = origin; | |
458 } | |
459 | |
1064 | 460 bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) { |
461 Flag* result = Flag::find_flag(name, len); | |
462 if (result == NULL) return false; | |
463 if (!result->is_uint64_t()) return false; | |
464 *value = result->get_uint64_t(); | |
465 return true; | |
466 } | |
467 | |
468 bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin) { | |
469 Flag* result = Flag::find_flag(name, len); | |
470 if (result == NULL) return false; | |
471 if (!result->is_uint64_t()) return false; | |
472 uint64_t old_value = result->get_uint64_t(); | |
473 result->set_uint64_t(*value); | |
474 *value = old_value; | |
475 result->origin = origin; | |
476 return true; | |
477 } | |
478 | |
479 void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, FlagValueOrigin origin) { | |
480 Flag* faddr = address_of_flag(flag); | |
481 guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type"); | |
482 faddr->set_uint64_t(value); | |
483 faddr->origin = origin; | |
484 } | |
485 | |
0 | 486 bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) { |
487 Flag* result = Flag::find_flag(name, len); | |
488 if (result == NULL) return false; | |
489 if (!result->is_double()) return false; | |
490 *value = result->get_double(); | |
491 return true; | |
492 } | |
493 | |
494 bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin) { | |
495 Flag* result = Flag::find_flag(name, len); | |
496 if (result == NULL) return false; | |
497 if (!result->is_double()) return false; | |
498 double old_value = result->get_double(); | |
499 result->set_double(*value); | |
500 *value = old_value; | |
501 result->origin = origin; | |
502 return true; | |
503 } | |
504 | |
505 void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, FlagValueOrigin origin) { | |
506 Flag* faddr = address_of_flag(flag); | |
507 guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); | |
508 faddr->set_double(value); | |
509 faddr->origin = origin; | |
510 } | |
511 | |
512 bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) { | |
513 Flag* result = Flag::find_flag(name, len); | |
514 if (result == NULL) return false; | |
515 if (!result->is_ccstr()) return false; | |
516 *value = result->get_ccstr(); | |
517 return true; | |
518 } | |
519 | |
520 // Contract: Flag will make private copy of the incoming value. | |
521 // Outgoing value is always malloc-ed, and caller MUST call free. | |
522 bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin) { | |
523 Flag* result = Flag::find_flag(name, len); | |
524 if (result == NULL) return false; | |
525 if (!result->is_ccstr()) return false; | |
526 ccstr old_value = result->get_ccstr(); | |
370
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527 char* new_value = NULL; |
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528 if (*value != NULL) { |
6197 | 529 new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1, mtInternal); |
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530 strcpy(new_value, *value); |
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531 } |
0 | 532 result->set_ccstr(new_value); |
533 if (result->origin == DEFAULT && old_value != NULL) { | |
534 // Prior value is NOT heap allocated, but was a literal constant. | |
6197 | 535 char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1, mtInternal); |
0 | 536 strcpy(old_value_to_free, old_value); |
537 old_value = old_value_to_free; | |
538 } | |
539 *value = old_value; | |
540 result->origin = origin; | |
541 return true; | |
542 } | |
543 | |
544 // Contract: Flag will make private copy of the incoming value. | |
545 void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, FlagValueOrigin origin) { | |
546 Flag* faddr = address_of_flag(flag); | |
547 guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); | |
548 ccstr old_value = faddr->get_ccstr(); | |
6197 | 549 char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1, mtInternal); |
0 | 550 strcpy(new_value, value); |
551 faddr->set_ccstr(new_value); | |
552 if (faddr->origin != DEFAULT && old_value != NULL) { | |
553 // Prior value is heap allocated so free it. | |
6197 | 554 FREE_C_HEAP_ARRAY(char, old_value, mtInternal); |
0 | 555 } |
556 faddr->origin = origin; | |
557 } | |
558 | |
559 extern "C" { | |
560 static int compare_flags(const void* void_a, const void* void_b) { | |
561 return strcmp((*((Flag**) void_a))->name, (*((Flag**) void_b))->name); | |
562 } | |
563 } | |
564 | |
4773 | 565 void CommandLineFlags::printSetFlags(outputStream* out) { |
0 | 566 // Print which flags were set on the command line |
567 // note: this method is called before the thread structure is in place | |
568 // which means resource allocation cannot be used. | |
569 | |
570 // Compute size | |
571 int length= 0; | |
572 while (flagTable[length].name != NULL) length++; | |
573 | |
574 // Sort | |
6197 | 575 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
0 | 576 for (int index = 0; index < length; index++) { |
577 array[index] = &flagTable[index]; | |
578 } | |
579 qsort(array, length, sizeof(Flag*), compare_flags); | |
580 | |
581 // Print | |
582 for (int i = 0; i < length; i++) { | |
583 if (array[i]->origin /* naked field! */) { | |
4773 | 584 array[i]->print_as_flag(out); |
585 out->print(" "); | |
0 | 586 } |
587 } | |
4773 | 588 out->cr(); |
6197 | 589 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 590 } |
591 | |
592 #ifndef PRODUCT | |
593 | |
594 | |
595 void CommandLineFlags::verify() { | |
596 assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); | |
597 } | |
598 | |
1150 | 599 #endif // PRODUCT |
600 | |
4773 | 601 void CommandLineFlags::printFlags(outputStream* out, bool withComments) { |
0 | 602 // Print the flags sorted by name |
603 // note: this method is called before the thread structure is in place | |
604 // which means resource allocation cannot be used. | |
605 | |
606 // Compute size | |
607 int length= 0; | |
608 while (flagTable[length].name != NULL) length++; | |
609 | |
610 // Sort | |
6197 | 611 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
0 | 612 for (int index = 0; index < length; index++) { |
613 array[index] = &flagTable[index]; | |
614 } | |
615 qsort(array, length, sizeof(Flag*), compare_flags); | |
616 | |
617 // Print | |
4773 | 618 out->print_cr("[Global flags]"); |
0 | 619 for (int i = 0; i < length; i++) { |
620 if (array[i]->is_unlocked()) { | |
4773 | 621 array[i]->print_on(out, withComments); |
0 | 622 } |
623 } | |
6197 | 624 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 625 } |