Thu, 10 May 2012 14:16:34 +0200
7167069: 6 VM flags crash the VM when queried via jinfo
Summary: Added missing double format to Flag::print_as_flag()
Reviewed-by: dholmes, stefank, coleenp
duke@435 | 1 | /* |
jmelvin@3650 | 2 | * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
stefank@2314 | 26 | #include "memory/allocation.inline.hpp" |
stefank@2314 | 27 | #include "oops/oop.inline.hpp" |
stefank@2314 | 28 | #include "runtime/arguments.hpp" |
stefank@2314 | 29 | #include "runtime/globals.hpp" |
stefank@2314 | 30 | #include "runtime/globals_extension.hpp" |
stefank@2314 | 31 | #include "utilities/ostream.hpp" |
stefank@2314 | 32 | #include "utilities/top.hpp" |
stefank@2314 | 33 | #ifndef SERIALGC |
stefank@2314 | 34 | #include "gc_implementation/g1/g1_globals.hpp" |
stefank@2314 | 35 | #endif |
stefank@2314 | 36 | #ifdef COMPILER1 |
stefank@2314 | 37 | #include "c1/c1_globals.hpp" |
stefank@2314 | 38 | #endif |
stefank@2314 | 39 | #ifdef COMPILER2 |
stefank@2314 | 40 | #include "opto/c2_globals.hpp" |
stefank@2314 | 41 | #endif |
stefank@2314 | 42 | #ifdef SHARK |
stefank@2314 | 43 | #include "shark/shark_globals.hpp" |
stefank@2314 | 44 | #endif |
duke@435 | 45 | |
duke@435 | 46 | |
duke@435 | 47 | RUNTIME_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ |
duke@435 | 48 | MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ |
phh@3287 | 49 | MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
phh@3287 | 50 | MATERIALIZE_NOTPRODUCT_FLAG, \ |
coleenp@548 | 51 | MATERIALIZE_MANAGEABLE_FLAG, MATERIALIZE_PRODUCT_RW_FLAG, \ |
coleenp@548 | 52 | MATERIALIZE_LP64_PRODUCT_FLAG) |
duke@435 | 53 | |
duke@435 | 54 | RUNTIME_OS_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ |
duke@435 | 55 | MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ |
duke@435 | 56 | MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_NOTPRODUCT_FLAG) |
duke@435 | 57 | |
phh@3303 | 58 | MATERIALIZE_FLAGS_EXT |
phh@3303 | 59 | |
phh@3303 | 60 | |
duke@435 | 61 | bool Flag::is_unlocker() const { |
phh@3287 | 62 | return strcmp(name, "UnlockDiagnosticVMOptions") == 0 || |
phh@3303 | 63 | strcmp(name, "UnlockExperimentalVMOptions") == 0 || |
phh@3303 | 64 | is_unlocker_ext(); |
duke@435 | 65 | } |
duke@435 | 66 | |
duke@435 | 67 | bool Flag::is_unlocked() const { |
phh@3287 | 68 | if (strcmp(kind, "{diagnostic}") == 0) { |
jrose@2742 | 69 | if (strcmp(name, "EnableInvokeDynamic") == 0 && UnlockExperimentalVMOptions && !UnlockDiagnosticVMOptions) { |
jrose@2742 | 70 | // transitional logic to allow tests to run until they are changed |
jrose@2742 | 71 | static int warned; |
jrose@2742 | 72 | if (++warned == 1) warning("Use -XX:+UnlockDiagnosticVMOptions before EnableInvokeDynamic flag"); |
jrose@2742 | 73 | return true; |
jrose@2742 | 74 | } |
duke@435 | 75 | return UnlockDiagnosticVMOptions; |
never@1515 | 76 | } else if (strcmp(kind, "{experimental}") == 0 || |
never@1515 | 77 | strcmp(kind, "{C2 experimental}") == 0) { |
ysr@785 | 78 | return UnlockExperimentalVMOptions; |
duke@435 | 79 | } else { |
phh@3303 | 80 | return is_unlocked_ext(); |
duke@435 | 81 | } |
duke@435 | 82 | } |
duke@435 | 83 | |
jmelvin@3650 | 84 | // Get custom message for this locked flag, or return NULL if |
jmelvin@3650 | 85 | // none is available. |
jmelvin@3650 | 86 | void Flag::get_locked_message(char* buf, int buflen) const { |
jmelvin@3650 | 87 | get_locked_message_ext(buf, buflen); |
jmelvin@3650 | 88 | } |
jmelvin@3650 | 89 | |
duke@435 | 90 | bool Flag::is_writeable() const { |
phh@3342 | 91 | return strcmp(kind, "{manageable}") == 0 || |
phh@3342 | 92 | strcmp(kind, "{product rw}") == 0 || |
phh@3342 | 93 | is_writeable_ext(); |
duke@435 | 94 | } |
duke@435 | 95 | |
phh@3342 | 96 | // All flags except "manageable" are assumed to be internal flags. |
duke@435 | 97 | // Long term, we need to define a mechanism to specify which flags |
duke@435 | 98 | // are external/stable and change this function accordingly. |
duke@435 | 99 | bool Flag::is_external() const { |
phh@3342 | 100 | return strcmp(kind, "{manageable}") == 0 || is_external_ext(); |
duke@435 | 101 | } |
duke@435 | 102 | |
phh@3342 | 103 | |
duke@435 | 104 | // Length of format string (e.g. "%.1234s") for printing ccstr below |
duke@435 | 105 | #define FORMAT_BUFFER_LEN 16 |
duke@435 | 106 | |
ikrylov@2123 | 107 | void Flag::print_on(outputStream* st, bool withComments) { |
ikrylov@2123 | 108 | st->print("%9s %-40s %c= ", type, name, (origin != DEFAULT ? ':' : ' ')); |
phh@1502 | 109 | if (is_bool()) st->print("%-16s", get_bool() ? "true" : "false"); |
phh@1502 | 110 | if (is_intx()) st->print("%-16ld", get_intx()); |
phh@1502 | 111 | if (is_uintx()) st->print("%-16lu", get_uintx()); |
phh@1502 | 112 | if (is_uint64_t()) st->print("%-16lu", get_uint64_t()); |
ikrylov@2123 | 113 | if (is_double()) st->print("%-16f", get_double()); |
ikrylov@2123 | 114 | |
duke@435 | 115 | if (is_ccstr()) { |
ikrylov@2123 | 116 | const char* cp = get_ccstr(); |
ikrylov@2123 | 117 | if (cp != NULL) { |
ikrylov@2123 | 118 | const char* eol; |
ikrylov@2123 | 119 | while ((eol = strchr(cp, '\n')) != NULL) { |
ikrylov@2123 | 120 | char format_buffer[FORMAT_BUFFER_LEN]; |
ikrylov@2123 | 121 | size_t llen = pointer_delta(eol, cp, sizeof(char)); |
ikrylov@2123 | 122 | jio_snprintf(format_buffer, FORMAT_BUFFER_LEN, |
never@538 | 123 | "%%." SIZE_FORMAT "s", llen); |
ikrylov@2123 | 124 | st->print(format_buffer, cp); |
ikrylov@2123 | 125 | st->cr(); |
ikrylov@2123 | 126 | cp = eol+1; |
ikrylov@2123 | 127 | st->print("%5s %-35s += ", "", name); |
ikrylov@2123 | 128 | } |
ikrylov@2123 | 129 | st->print("%-16s", cp); |
ikrylov@2123 | 130 | } |
ikrylov@2123 | 131 | else st->print("%-16s", ""); |
duke@435 | 132 | } |
ikrylov@2123 | 133 | st->print("%-20s", kind); |
ikrylov@2123 | 134 | if (withComments) { |
ikrylov@2123 | 135 | #ifndef PRODUCT |
ikrylov@2123 | 136 | st->print("%s", doc ); |
ikrylov@2123 | 137 | #endif |
ikrylov@2123 | 138 | } |
duke@435 | 139 | st->cr(); |
duke@435 | 140 | } |
duke@435 | 141 | |
duke@435 | 142 | void Flag::print_as_flag(outputStream* st) { |
duke@435 | 143 | if (is_bool()) { |
duke@435 | 144 | st->print("-XX:%s%s", get_bool() ? "+" : "-", name); |
duke@435 | 145 | } else if (is_intx()) { |
duke@435 | 146 | st->print("-XX:%s=" INTX_FORMAT, name, get_intx()); |
duke@435 | 147 | } else if (is_uintx()) { |
duke@435 | 148 | st->print("-XX:%s=" UINTX_FORMAT, name, get_uintx()); |
phh@1502 | 149 | } else if (is_uint64_t()) { |
phh@1502 | 150 | st->print("-XX:%s=" UINT64_FORMAT, name, get_uint64_t()); |
brutisso@3752 | 151 | } else if (is_double()) { |
brutisso@3752 | 152 | st->print("-XX:%s=%f", name, get_double()); |
duke@435 | 153 | } else if (is_ccstr()) { |
duke@435 | 154 | st->print("-XX:%s=", name); |
never@538 | 155 | const char* cp = get_ccstr(); |
never@538 | 156 | if (cp != NULL) { |
never@538 | 157 | // Need to turn embedded '\n's back into separate arguments |
never@538 | 158 | // Not so efficient to print one character at a time, |
never@538 | 159 | // but the choice is to do the transformation to a buffer |
never@538 | 160 | // and print that. And this need not be efficient. |
never@538 | 161 | for (; *cp != '\0'; cp += 1) { |
never@538 | 162 | switch (*cp) { |
never@538 | 163 | default: |
never@538 | 164 | st->print("%c", *cp); |
never@538 | 165 | break; |
never@538 | 166 | case '\n': |
never@538 | 167 | st->print(" -XX:%s=", name); |
never@538 | 168 | break; |
never@538 | 169 | } |
duke@435 | 170 | } |
duke@435 | 171 | } |
duke@435 | 172 | } else { |
duke@435 | 173 | ShouldNotReachHere(); |
duke@435 | 174 | } |
duke@435 | 175 | } |
duke@435 | 176 | |
duke@435 | 177 | // 4991491 do not "optimize out" the was_set false values: omitting them |
duke@435 | 178 | // tickles a Microsoft compiler bug causing flagTable to be malformed |
duke@435 | 179 | |
ikrylov@2123 | 180 | #define RUNTIME_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product}", DEFAULT }, |
ikrylov@2123 | 181 | #define RUNTIME_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{pd product}", DEFAULT }, |
ikrylov@2123 | 182 | #define RUNTIME_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{diagnostic}", DEFAULT }, |
ikrylov@2123 | 183 | #define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{experimental}", DEFAULT }, |
ikrylov@2123 | 184 | #define RUNTIME_MANAGEABLE_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{manageable}", DEFAULT }, |
ikrylov@2123 | 185 | #define RUNTIME_PRODUCT_RW_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product rw}", DEFAULT }, |
duke@435 | 186 | |
duke@435 | 187 | #ifdef PRODUCT |
duke@435 | 188 | #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
duke@435 | 189 | #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ |
duke@435 | 190 | #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
duke@435 | 191 | #else |
ikrylov@2123 | 192 | #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "", DEFAULT }, |
ikrylov@2123 | 193 | #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{pd}", DEFAULT }, |
ikrylov@2123 | 194 | #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{notproduct}", DEFAULT }, |
duke@435 | 195 | #endif |
duke@435 | 196 | |
coleenp@548 | 197 | #ifdef _LP64 |
ikrylov@2123 | 198 | #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{lp64_product}", DEFAULT }, |
coleenp@548 | 199 | #else |
coleenp@548 | 200 | #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
coleenp@548 | 201 | #endif // _LP64 |
coleenp@548 | 202 | |
ikrylov@2123 | 203 | #define C1_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 product}", DEFAULT }, |
ikrylov@2123 | 204 | #define C1_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 pd product}", DEFAULT }, |
duke@435 | 205 | #ifdef PRODUCT |
duke@435 | 206 | #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
duke@435 | 207 | #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ |
duke@435 | 208 | #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
duke@435 | 209 | #else |
ikrylov@2123 | 210 | #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1}", DEFAULT }, |
ikrylov@2123 | 211 | #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C1 pd}", DEFAULT }, |
ikrylov@2123 | 212 | #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1 notproduct}", DEFAULT }, |
duke@435 | 213 | #endif |
duke@435 | 214 | |
duke@435 | 215 | |
ikrylov@2123 | 216 | #define C2_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 product}", DEFAULT }, |
ikrylov@2123 | 217 | #define C2_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 pd product}", DEFAULT }, |
ikrylov@2123 | 218 | #define C2_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 diagnostic}", DEFAULT }, |
ikrylov@2123 | 219 | #define C2_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 experimental}", DEFAULT }, |
duke@435 | 220 | #ifdef PRODUCT |
duke@435 | 221 | #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
duke@435 | 222 | #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ |
duke@435 | 223 | #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
duke@435 | 224 | #else |
ikrylov@2123 | 225 | #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2}", DEFAULT }, |
ikrylov@2123 | 226 | #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C2 pd}", DEFAULT }, |
ikrylov@2123 | 227 | #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2 notproduct}", DEFAULT }, |
duke@435 | 228 | #endif |
duke@435 | 229 | |
ikrylov@2123 | 230 | #define SHARK_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark product}", DEFAULT }, |
ikrylov@2123 | 231 | #define SHARK_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark pd product}", DEFAULT }, |
ikrylov@2123 | 232 | #define SHARK_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark diagnostic}", DEFAULT }, |
twisti@2047 | 233 | #ifdef PRODUCT |
twisti@2047 | 234 | #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
twisti@2047 | 235 | #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ |
twisti@2047 | 236 | #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
twisti@2047 | 237 | #else |
ikrylov@2123 | 238 | #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark}", DEFAULT }, |
ikrylov@2123 | 239 | #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{Shark pd}", DEFAULT }, |
ikrylov@2123 | 240 | #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark notproduct}", DEFAULT }, |
twisti@2047 | 241 | #endif |
duke@435 | 242 | |
duke@435 | 243 | static Flag flagTable[] = { |
phh@3287 | 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) |
duke@435 | 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) |
ysr@777 | 246 | #ifndef SERIALGC |
ysr@785 | 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) |
ysr@777 | 248 | #endif // SERIALGC |
duke@435 | 249 | #ifdef COMPILER1 |
duke@435 | 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) |
duke@435 | 251 | #endif |
duke@435 | 252 | #ifdef COMPILER2 |
never@1515 | 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) |
duke@435 | 254 | #endif |
twisti@2047 | 255 | #ifdef SHARK |
twisti@2047 | 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) |
twisti@2047 | 257 | #endif |
phh@3303 | 258 | FLAGTABLE_EXT |
duke@435 | 259 | {0, NULL, NULL} |
duke@435 | 260 | }; |
duke@435 | 261 | |
duke@435 | 262 | Flag* Flag::flags = flagTable; |
duke@435 | 263 | size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); |
duke@435 | 264 | |
duke@435 | 265 | inline bool str_equal(const char* s, char* q, size_t len) { |
duke@435 | 266 | // s is null terminated, q is not! |
duke@435 | 267 | if (strlen(s) != (unsigned int) len) return false; |
duke@435 | 268 | return strncmp(s, q, len) == 0; |
duke@435 | 269 | } |
duke@435 | 270 | |
jmelvin@3650 | 271 | // Search the flag table for a named flag |
jmelvin@3650 | 272 | Flag* Flag::find_flag(char* name, size_t length, bool allow_locked) { |
jmelvin@3650 | 273 | for (Flag* current = &flagTable[0]; current->name != NULL; current++) { |
duke@435 | 274 | if (str_equal(current->name, name, length)) { |
jmelvin@3650 | 275 | // Found a matching entry. Report locked flags only if allowed. |
duke@435 | 276 | if (!(current->is_unlocked() || current->is_unlocker())) { |
jmelvin@3650 | 277 | if (!allow_locked) { |
jmelvin@3650 | 278 | // disable use of locked flags, e.g. diagnostic, experimental, |
jmelvin@3650 | 279 | // commercial... until they are explicitly unlocked |
jmelvin@3650 | 280 | return NULL; |
jmelvin@3650 | 281 | } |
duke@435 | 282 | } |
duke@435 | 283 | return current; |
duke@435 | 284 | } |
duke@435 | 285 | } |
jmelvin@3650 | 286 | // Flag name is not in the flag table |
duke@435 | 287 | return NULL; |
duke@435 | 288 | } |
duke@435 | 289 | |
duke@435 | 290 | // Returns the address of the index'th element |
duke@435 | 291 | static Flag* address_of_flag(CommandLineFlagWithType flag) { |
duke@435 | 292 | assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
duke@435 | 293 | return &Flag::flags[flag]; |
duke@435 | 294 | } |
duke@435 | 295 | |
duke@435 | 296 | bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { |
duke@435 | 297 | assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
duke@435 | 298 | Flag* f = &Flag::flags[flag]; |
duke@435 | 299 | return (f->origin == DEFAULT); |
duke@435 | 300 | } |
duke@435 | 301 | |
jmasa@448 | 302 | bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
jmasa@448 | 303 | assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
jmasa@448 | 304 | Flag* f = &Flag::flags[flag]; |
jmasa@448 | 305 | return (f->origin == ERGONOMIC); |
jmasa@448 | 306 | } |
jmasa@448 | 307 | |
jmasa@448 | 308 | bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) { |
jmasa@448 | 309 | assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
jmasa@448 | 310 | Flag* f = &Flag::flags[flag]; |
jmasa@448 | 311 | return (f->origin == COMMAND_LINE); |
jmasa@448 | 312 | } |
jmasa@448 | 313 | |
duke@435 | 314 | bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
duke@435 | 315 | Flag* result = Flag::find_flag((char*)name, strlen(name)); |
duke@435 | 316 | if (result == NULL) return false; |
duke@435 | 317 | *value = (result->origin == COMMAND_LINE); |
duke@435 | 318 | return true; |
duke@435 | 319 | } |
duke@435 | 320 | |
duke@435 | 321 | bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) { |
duke@435 | 322 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 323 | if (result == NULL) return false; |
duke@435 | 324 | if (!result->is_bool()) return false; |
duke@435 | 325 | *value = result->get_bool(); |
duke@435 | 326 | return true; |
duke@435 | 327 | } |
duke@435 | 328 | |
duke@435 | 329 | bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin) { |
duke@435 | 330 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 331 | if (result == NULL) return false; |
duke@435 | 332 | if (!result->is_bool()) return false; |
duke@435 | 333 | bool old_value = result->get_bool(); |
duke@435 | 334 | result->set_bool(*value); |
duke@435 | 335 | *value = old_value; |
duke@435 | 336 | result->origin = origin; |
duke@435 | 337 | return true; |
duke@435 | 338 | } |
duke@435 | 339 | |
duke@435 | 340 | void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, FlagValueOrigin origin) { |
duke@435 | 341 | Flag* faddr = address_of_flag(flag); |
duke@435 | 342 | guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); |
duke@435 | 343 | faddr->set_bool(value); |
duke@435 | 344 | faddr->origin = origin; |
duke@435 | 345 | } |
duke@435 | 346 | |
duke@435 | 347 | bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) { |
duke@435 | 348 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 349 | if (result == NULL) return false; |
duke@435 | 350 | if (!result->is_intx()) return false; |
duke@435 | 351 | *value = result->get_intx(); |
duke@435 | 352 | return true; |
duke@435 | 353 | } |
duke@435 | 354 | |
duke@435 | 355 | bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin) { |
duke@435 | 356 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 357 | if (result == NULL) return false; |
duke@435 | 358 | if (!result->is_intx()) return false; |
duke@435 | 359 | intx old_value = result->get_intx(); |
duke@435 | 360 | result->set_intx(*value); |
duke@435 | 361 | *value = old_value; |
duke@435 | 362 | result->origin = origin; |
duke@435 | 363 | return true; |
duke@435 | 364 | } |
duke@435 | 365 | |
duke@435 | 366 | void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, FlagValueOrigin origin) { |
duke@435 | 367 | Flag* faddr = address_of_flag(flag); |
duke@435 | 368 | guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); |
duke@435 | 369 | faddr->set_intx(value); |
duke@435 | 370 | faddr->origin = origin; |
duke@435 | 371 | } |
duke@435 | 372 | |
duke@435 | 373 | bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) { |
duke@435 | 374 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 375 | if (result == NULL) return false; |
duke@435 | 376 | if (!result->is_uintx()) return false; |
duke@435 | 377 | *value = result->get_uintx(); |
duke@435 | 378 | return true; |
duke@435 | 379 | } |
duke@435 | 380 | |
duke@435 | 381 | bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin) { |
duke@435 | 382 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 383 | if (result == NULL) return false; |
duke@435 | 384 | if (!result->is_uintx()) return false; |
duke@435 | 385 | uintx old_value = result->get_uintx(); |
duke@435 | 386 | result->set_uintx(*value); |
duke@435 | 387 | *value = old_value; |
duke@435 | 388 | result->origin = origin; |
duke@435 | 389 | return true; |
duke@435 | 390 | } |
duke@435 | 391 | |
duke@435 | 392 | void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, FlagValueOrigin origin) { |
duke@435 | 393 | Flag* faddr = address_of_flag(flag); |
duke@435 | 394 | guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); |
duke@435 | 395 | faddr->set_uintx(value); |
duke@435 | 396 | faddr->origin = origin; |
duke@435 | 397 | } |
duke@435 | 398 | |
phh@1499 | 399 | bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) { |
phh@1499 | 400 | Flag* result = Flag::find_flag(name, len); |
phh@1499 | 401 | if (result == NULL) return false; |
phh@1499 | 402 | if (!result->is_uint64_t()) return false; |
phh@1499 | 403 | *value = result->get_uint64_t(); |
phh@1499 | 404 | return true; |
phh@1499 | 405 | } |
phh@1499 | 406 | |
phh@1499 | 407 | bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin) { |
phh@1499 | 408 | Flag* result = Flag::find_flag(name, len); |
phh@1499 | 409 | if (result == NULL) return false; |
phh@1499 | 410 | if (!result->is_uint64_t()) return false; |
phh@1499 | 411 | uint64_t old_value = result->get_uint64_t(); |
phh@1499 | 412 | result->set_uint64_t(*value); |
phh@1499 | 413 | *value = old_value; |
phh@1499 | 414 | result->origin = origin; |
phh@1499 | 415 | return true; |
phh@1499 | 416 | } |
phh@1499 | 417 | |
phh@1499 | 418 | void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, FlagValueOrigin origin) { |
phh@1499 | 419 | Flag* faddr = address_of_flag(flag); |
phh@1499 | 420 | guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type"); |
phh@1499 | 421 | faddr->set_uint64_t(value); |
phh@1499 | 422 | faddr->origin = origin; |
phh@1499 | 423 | } |
phh@1499 | 424 | |
duke@435 | 425 | bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) { |
duke@435 | 426 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 427 | if (result == NULL) return false; |
duke@435 | 428 | if (!result->is_double()) return false; |
duke@435 | 429 | *value = result->get_double(); |
duke@435 | 430 | return true; |
duke@435 | 431 | } |
duke@435 | 432 | |
duke@435 | 433 | bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin) { |
duke@435 | 434 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 435 | if (result == NULL) return false; |
duke@435 | 436 | if (!result->is_double()) return false; |
duke@435 | 437 | double old_value = result->get_double(); |
duke@435 | 438 | result->set_double(*value); |
duke@435 | 439 | *value = old_value; |
duke@435 | 440 | result->origin = origin; |
duke@435 | 441 | return true; |
duke@435 | 442 | } |
duke@435 | 443 | |
duke@435 | 444 | void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, FlagValueOrigin origin) { |
duke@435 | 445 | Flag* faddr = address_of_flag(flag); |
duke@435 | 446 | guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); |
duke@435 | 447 | faddr->set_double(value); |
duke@435 | 448 | faddr->origin = origin; |
duke@435 | 449 | } |
duke@435 | 450 | |
duke@435 | 451 | bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) { |
duke@435 | 452 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 453 | if (result == NULL) return false; |
duke@435 | 454 | if (!result->is_ccstr()) return false; |
duke@435 | 455 | *value = result->get_ccstr(); |
duke@435 | 456 | return true; |
duke@435 | 457 | } |
duke@435 | 458 | |
duke@435 | 459 | // Contract: Flag will make private copy of the incoming value. |
duke@435 | 460 | // Outgoing value is always malloc-ed, and caller MUST call free. |
duke@435 | 461 | bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin) { |
duke@435 | 462 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 463 | if (result == NULL) return false; |
duke@435 | 464 | if (!result->is_ccstr()) return false; |
duke@435 | 465 | ccstr old_value = result->get_ccstr(); |
never@805 | 466 | char* new_value = NULL; |
never@805 | 467 | if (*value != NULL) { |
never@805 | 468 | new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1); |
never@805 | 469 | strcpy(new_value, *value); |
never@805 | 470 | } |
duke@435 | 471 | result->set_ccstr(new_value); |
duke@435 | 472 | if (result->origin == DEFAULT && old_value != NULL) { |
duke@435 | 473 | // Prior value is NOT heap allocated, but was a literal constant. |
duke@435 | 474 | char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1); |
duke@435 | 475 | strcpy(old_value_to_free, old_value); |
duke@435 | 476 | old_value = old_value_to_free; |
duke@435 | 477 | } |
duke@435 | 478 | *value = old_value; |
duke@435 | 479 | result->origin = origin; |
duke@435 | 480 | return true; |
duke@435 | 481 | } |
duke@435 | 482 | |
duke@435 | 483 | // Contract: Flag will make private copy of the incoming value. |
duke@435 | 484 | void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, FlagValueOrigin origin) { |
duke@435 | 485 | Flag* faddr = address_of_flag(flag); |
duke@435 | 486 | guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); |
duke@435 | 487 | ccstr old_value = faddr->get_ccstr(); |
duke@435 | 488 | char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1); |
duke@435 | 489 | strcpy(new_value, value); |
duke@435 | 490 | faddr->set_ccstr(new_value); |
duke@435 | 491 | if (faddr->origin != DEFAULT && old_value != NULL) { |
duke@435 | 492 | // Prior value is heap allocated so free it. |
duke@435 | 493 | FREE_C_HEAP_ARRAY(char, old_value); |
duke@435 | 494 | } |
duke@435 | 495 | faddr->origin = origin; |
duke@435 | 496 | } |
duke@435 | 497 | |
duke@435 | 498 | extern "C" { |
duke@435 | 499 | static int compare_flags(const void* void_a, const void* void_b) { |
duke@435 | 500 | return strcmp((*((Flag**) void_a))->name, (*((Flag**) void_b))->name); |
duke@435 | 501 | } |
duke@435 | 502 | } |
duke@435 | 503 | |
fparain@3402 | 504 | void CommandLineFlags::printSetFlags(outputStream* out) { |
duke@435 | 505 | // Print which flags were set on the command line |
duke@435 | 506 | // note: this method is called before the thread structure is in place |
duke@435 | 507 | // which means resource allocation cannot be used. |
duke@435 | 508 | |
duke@435 | 509 | // Compute size |
duke@435 | 510 | int length= 0; |
duke@435 | 511 | while (flagTable[length].name != NULL) length++; |
duke@435 | 512 | |
duke@435 | 513 | // Sort |
duke@435 | 514 | Flag** array = NEW_C_HEAP_ARRAY(Flag*, length); |
duke@435 | 515 | for (int index = 0; index < length; index++) { |
duke@435 | 516 | array[index] = &flagTable[index]; |
duke@435 | 517 | } |
duke@435 | 518 | qsort(array, length, sizeof(Flag*), compare_flags); |
duke@435 | 519 | |
duke@435 | 520 | |
duke@435 | 521 | for (int i = 0; i < length; i++) { |
duke@435 | 522 | if (array[i]->origin /* naked field! */) { |
fparain@3402 | 523 | array[i]->print_as_flag(out); |
fparain@3402 | 524 | out->print(" "); |
duke@435 | 525 | } |
duke@435 | 526 | } |
fparain@3402 | 527 | out->cr(); |
duke@435 | 528 | FREE_C_HEAP_ARRAY(Flag*, array); |
duke@435 | 529 | } |
duke@435 | 530 | |
duke@435 | 531 | #ifndef PRODUCT |
duke@435 | 532 | |
duke@435 | 533 | |
duke@435 | 534 | void CommandLineFlags::verify() { |
duke@435 | 535 | assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); |
duke@435 | 536 | } |
duke@435 | 537 | |
kvn@1585 | 538 | #endif // PRODUCT |
kvn@1585 | 539 | |
fparain@3402 | 540 | void CommandLineFlags::printFlags(outputStream* out, bool withComments) { |
duke@435 | 541 | // Print the flags sorted by name |
duke@435 | 542 | // note: this method is called before the thread structure is in place |
duke@435 | 543 | // which means resource allocation cannot be used. |
duke@435 | 544 | |
duke@435 | 545 | // Compute size |
duke@435 | 546 | int length= 0; |
duke@435 | 547 | while (flagTable[length].name != NULL) length++; |
duke@435 | 548 | |
duke@435 | 549 | // Sort |
duke@435 | 550 | Flag** array = NEW_C_HEAP_ARRAY(Flag*, length); |
duke@435 | 551 | for (int index = 0; index < length; index++) { |
duke@435 | 552 | array[index] = &flagTable[index]; |
duke@435 | 553 | } |
duke@435 | 554 | qsort(array, length, sizeof(Flag*), compare_flags); |
duke@435 | 555 | |
duke@435 | 556 | |
fparain@3402 | 557 | out->print_cr("[Global flags]"); |
duke@435 | 558 | for (int i = 0; i < length; i++) { |
duke@435 | 559 | if (array[i]->is_unlocked()) { |
fparain@3402 | 560 | array[i]->print_on(out, withComments); |
duke@435 | 561 | } |
duke@435 | 562 | } |
duke@435 | 563 | FREE_C_HEAP_ARRAY(Flag*, array); |
duke@435 | 564 | } |