Tue, 07 Jul 2009 14:23:00 -0400
6855834: G1: minimize the output when -XX:+PrintHeapAtGC is set
Summary: Changing the behavior of -XX:+PrintHeapAtGC for G1 from printing lengthy, per-region information to instead printing a concise summary.
Reviewed-by: ysr, apetrusenko, jcoomes
duke@435 | 1 | /* |
xdono@631 | 2 | * Copyright 1997-2008 Sun Microsystems, Inc. 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 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | # include "incls/_precompiled.incl" |
duke@435 | 26 | # include "incls/_globals.cpp.incl" |
duke@435 | 27 | |
duke@435 | 28 | |
duke@435 | 29 | RUNTIME_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ |
duke@435 | 30 | MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ |
ysr@785 | 31 | MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
ysr@785 | 32 | MATERIALIZE_NOTPRODUCT_FLAG, \ |
coleenp@548 | 33 | MATERIALIZE_MANAGEABLE_FLAG, MATERIALIZE_PRODUCT_RW_FLAG, \ |
coleenp@548 | 34 | MATERIALIZE_LP64_PRODUCT_FLAG) |
duke@435 | 35 | |
duke@435 | 36 | RUNTIME_OS_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ |
duke@435 | 37 | MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ |
duke@435 | 38 | MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_NOTPRODUCT_FLAG) |
duke@435 | 39 | |
duke@435 | 40 | bool Flag::is_unlocker() const { |
ysr@785 | 41 | return strcmp(name, "UnlockDiagnosticVMOptions") == 0 || |
ysr@785 | 42 | strcmp(name, "UnlockExperimentalVMOptions") == 0; |
ysr@785 | 43 | |
duke@435 | 44 | } |
duke@435 | 45 | |
duke@435 | 46 | bool Flag::is_unlocked() const { |
duke@435 | 47 | if (strcmp(kind, "{diagnostic}") == 0) { |
duke@435 | 48 | return UnlockDiagnosticVMOptions; |
ysr@785 | 49 | } else if (strcmp(kind, "{experimental}") == 0) { |
ysr@785 | 50 | return UnlockExperimentalVMOptions; |
duke@435 | 51 | } else { |
duke@435 | 52 | return true; |
duke@435 | 53 | } |
duke@435 | 54 | } |
duke@435 | 55 | |
duke@435 | 56 | bool Flag::is_writeable() const { |
duke@435 | 57 | return (strcmp(kind, "{manageable}") == 0 || strcmp(kind, "{product rw}") == 0); |
duke@435 | 58 | } |
duke@435 | 59 | |
duke@435 | 60 | // All flags except "manageable" are assumed internal flags. |
duke@435 | 61 | // Long term, we need to define a mechanism to specify which flags |
duke@435 | 62 | // are external/stable and change this function accordingly. |
duke@435 | 63 | bool Flag::is_external() const { |
duke@435 | 64 | return (strcmp(kind, "{manageable}") == 0); |
duke@435 | 65 | } |
duke@435 | 66 | |
duke@435 | 67 | // Length of format string (e.g. "%.1234s") for printing ccstr below |
duke@435 | 68 | #define FORMAT_BUFFER_LEN 16 |
duke@435 | 69 | |
duke@435 | 70 | void Flag::print_on(outputStream* st) { |
duke@435 | 71 | st->print("%5s %-35s %c= ", type, name, (origin != DEFAULT ? ':' : ' ')); |
duke@435 | 72 | if (is_bool()) st->print("%-16s", get_bool() ? "true" : "false"); |
duke@435 | 73 | if (is_intx()) st->print("%-16ld", get_intx()); |
duke@435 | 74 | if (is_uintx()) st->print("%-16lu", get_uintx()); |
duke@435 | 75 | if (is_ccstr()) { |
duke@435 | 76 | const char* cp = get_ccstr(); |
never@538 | 77 | if (cp != NULL) { |
never@538 | 78 | const char* eol; |
never@538 | 79 | while ((eol = strchr(cp, '\n')) != NULL) { |
never@538 | 80 | char format_buffer[FORMAT_BUFFER_LEN]; |
never@538 | 81 | size_t llen = pointer_delta(eol, cp, sizeof(char)); |
never@538 | 82 | jio_snprintf(format_buffer, FORMAT_BUFFER_LEN, |
never@538 | 83 | "%%." SIZE_FORMAT "s", llen); |
never@538 | 84 | st->print(format_buffer, cp); |
never@538 | 85 | st->cr(); |
never@538 | 86 | cp = eol+1; |
never@538 | 87 | st->print("%5s %-35s += ", "", name); |
never@538 | 88 | } |
never@538 | 89 | st->print("%-16s", cp); |
duke@435 | 90 | } |
duke@435 | 91 | } |
duke@435 | 92 | st->print(" %s", kind); |
duke@435 | 93 | st->cr(); |
duke@435 | 94 | } |
duke@435 | 95 | |
duke@435 | 96 | void Flag::print_as_flag(outputStream* st) { |
duke@435 | 97 | if (is_bool()) { |
duke@435 | 98 | st->print("-XX:%s%s", get_bool() ? "+" : "-", name); |
duke@435 | 99 | } else if (is_intx()) { |
duke@435 | 100 | st->print("-XX:%s=" INTX_FORMAT, name, get_intx()); |
duke@435 | 101 | } else if (is_uintx()) { |
duke@435 | 102 | st->print("-XX:%s=" UINTX_FORMAT, name, get_uintx()); |
duke@435 | 103 | } else if (is_ccstr()) { |
duke@435 | 104 | st->print("-XX:%s=", name); |
never@538 | 105 | const char* cp = get_ccstr(); |
never@538 | 106 | if (cp != NULL) { |
never@538 | 107 | // Need to turn embedded '\n's back into separate arguments |
never@538 | 108 | // Not so efficient to print one character at a time, |
never@538 | 109 | // but the choice is to do the transformation to a buffer |
never@538 | 110 | // and print that. And this need not be efficient. |
never@538 | 111 | for (; *cp != '\0'; cp += 1) { |
never@538 | 112 | switch (*cp) { |
never@538 | 113 | default: |
never@538 | 114 | st->print("%c", *cp); |
never@538 | 115 | break; |
never@538 | 116 | case '\n': |
never@538 | 117 | st->print(" -XX:%s=", name); |
never@538 | 118 | break; |
never@538 | 119 | } |
duke@435 | 120 | } |
duke@435 | 121 | } |
duke@435 | 122 | } else { |
duke@435 | 123 | ShouldNotReachHere(); |
duke@435 | 124 | } |
duke@435 | 125 | } |
duke@435 | 126 | |
duke@435 | 127 | // 4991491 do not "optimize out" the was_set false values: omitting them |
duke@435 | 128 | // tickles a Microsoft compiler bug causing flagTable to be malformed |
duke@435 | 129 | |
duke@435 | 130 | #define RUNTIME_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{product}", DEFAULT }, |
duke@435 | 131 | #define RUNTIME_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, "{pd product}", DEFAULT }, |
duke@435 | 132 | #define RUNTIME_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{diagnostic}", DEFAULT }, |
ysr@785 | 133 | #define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{experimental}", DEFAULT }, |
duke@435 | 134 | #define RUNTIME_MANAGEABLE_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{manageable}", DEFAULT }, |
duke@435 | 135 | #define RUNTIME_PRODUCT_RW_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{product rw}", DEFAULT }, |
duke@435 | 136 | |
duke@435 | 137 | #ifdef PRODUCT |
duke@435 | 138 | #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
duke@435 | 139 | #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ |
duke@435 | 140 | #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
duke@435 | 141 | #else |
duke@435 | 142 | #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "", DEFAULT }, |
duke@435 | 143 | #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, "{pd}", DEFAULT }, |
duke@435 | 144 | #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{notproduct}", DEFAULT }, |
duke@435 | 145 | #endif |
duke@435 | 146 | |
coleenp@548 | 147 | #ifdef _LP64 |
coleenp@548 | 148 | #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{lp64_product}", DEFAULT }, |
coleenp@548 | 149 | #else |
coleenp@548 | 150 | #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
coleenp@548 | 151 | #endif // _LP64 |
coleenp@548 | 152 | |
duke@435 | 153 | #define C1_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{C1 product}", DEFAULT }, |
duke@435 | 154 | #define C1_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, "{C1 pd product}", DEFAULT }, |
duke@435 | 155 | #ifdef PRODUCT |
duke@435 | 156 | #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
duke@435 | 157 | #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ |
duke@435 | 158 | #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
duke@435 | 159 | #else |
duke@435 | 160 | #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{C1}", DEFAULT }, |
duke@435 | 161 | #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, "{C1 pd}", DEFAULT }, |
duke@435 | 162 | #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{C1 notproduct}", DEFAULT }, |
duke@435 | 163 | #endif |
duke@435 | 164 | |
duke@435 | 165 | |
duke@435 | 166 | #define C2_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{C2 product}", DEFAULT }, |
duke@435 | 167 | #define C2_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, "{C2 pd product}", DEFAULT }, |
duke@435 | 168 | #define C2_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{C2 diagnostic}", DEFAULT }, |
duke@435 | 169 | #ifdef PRODUCT |
duke@435 | 170 | #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
duke@435 | 171 | #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ |
duke@435 | 172 | #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
duke@435 | 173 | #else |
duke@435 | 174 | #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{C2}", DEFAULT }, |
duke@435 | 175 | #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, "{C2 pd}", DEFAULT }, |
duke@435 | 176 | #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, "{C2 notproduct}", DEFAULT }, |
duke@435 | 177 | #endif |
duke@435 | 178 | |
duke@435 | 179 | |
duke@435 | 180 | static Flag flagTable[] = { |
ysr@785 | 181 | 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 | 182 | 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 | 183 | #ifndef SERIALGC |
ysr@785 | 184 | 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 | 185 | #endif // SERIALGC |
duke@435 | 186 | #ifdef COMPILER1 |
duke@435 | 187 | 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 | 188 | #endif |
duke@435 | 189 | #ifdef COMPILER2 |
duke@435 | 190 | 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_NOTPRODUCT_FLAG_STRUCT) |
duke@435 | 191 | #endif |
duke@435 | 192 | {0, NULL, NULL} |
duke@435 | 193 | }; |
duke@435 | 194 | |
duke@435 | 195 | Flag* Flag::flags = flagTable; |
duke@435 | 196 | size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); |
duke@435 | 197 | |
duke@435 | 198 | inline bool str_equal(const char* s, char* q, size_t len) { |
duke@435 | 199 | // s is null terminated, q is not! |
duke@435 | 200 | if (strlen(s) != (unsigned int) len) return false; |
duke@435 | 201 | return strncmp(s, q, len) == 0; |
duke@435 | 202 | } |
duke@435 | 203 | |
duke@435 | 204 | Flag* Flag::find_flag(char* name, size_t length) { |
duke@435 | 205 | for (Flag* current = &flagTable[0]; current->name; current++) { |
duke@435 | 206 | if (str_equal(current->name, name, length)) { |
duke@435 | 207 | if (!(current->is_unlocked() || current->is_unlocker())) { |
ysr@785 | 208 | // disable use of diagnostic or experimental flags until they |
ysr@785 | 209 | // are explicitly unlocked |
duke@435 | 210 | return NULL; |
duke@435 | 211 | } |
duke@435 | 212 | return current; |
duke@435 | 213 | } |
duke@435 | 214 | } |
duke@435 | 215 | return NULL; |
duke@435 | 216 | } |
duke@435 | 217 | |
duke@435 | 218 | // Returns the address of the index'th element |
duke@435 | 219 | static Flag* address_of_flag(CommandLineFlagWithType flag) { |
duke@435 | 220 | assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
duke@435 | 221 | return &Flag::flags[flag]; |
duke@435 | 222 | } |
duke@435 | 223 | |
duke@435 | 224 | bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { |
duke@435 | 225 | assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
duke@435 | 226 | Flag* f = &Flag::flags[flag]; |
duke@435 | 227 | return (f->origin == DEFAULT); |
duke@435 | 228 | } |
duke@435 | 229 | |
jmasa@448 | 230 | bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
jmasa@448 | 231 | assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
jmasa@448 | 232 | Flag* f = &Flag::flags[flag]; |
jmasa@448 | 233 | return (f->origin == ERGONOMIC); |
jmasa@448 | 234 | } |
jmasa@448 | 235 | |
jmasa@448 | 236 | bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) { |
jmasa@448 | 237 | assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
jmasa@448 | 238 | Flag* f = &Flag::flags[flag]; |
jmasa@448 | 239 | return (f->origin == COMMAND_LINE); |
jmasa@448 | 240 | } |
jmasa@448 | 241 | |
duke@435 | 242 | bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
duke@435 | 243 | Flag* result = Flag::find_flag((char*)name, strlen(name)); |
duke@435 | 244 | if (result == NULL) return false; |
duke@435 | 245 | *value = (result->origin == COMMAND_LINE); |
duke@435 | 246 | return true; |
duke@435 | 247 | } |
duke@435 | 248 | |
duke@435 | 249 | bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) { |
duke@435 | 250 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 251 | if (result == NULL) return false; |
duke@435 | 252 | if (!result->is_bool()) return false; |
duke@435 | 253 | *value = result->get_bool(); |
duke@435 | 254 | return true; |
duke@435 | 255 | } |
duke@435 | 256 | |
duke@435 | 257 | bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin) { |
duke@435 | 258 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 259 | if (result == NULL) return false; |
duke@435 | 260 | if (!result->is_bool()) return false; |
duke@435 | 261 | bool old_value = result->get_bool(); |
duke@435 | 262 | result->set_bool(*value); |
duke@435 | 263 | *value = old_value; |
duke@435 | 264 | result->origin = origin; |
duke@435 | 265 | return true; |
duke@435 | 266 | } |
duke@435 | 267 | |
duke@435 | 268 | void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, FlagValueOrigin origin) { |
duke@435 | 269 | Flag* faddr = address_of_flag(flag); |
duke@435 | 270 | guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); |
duke@435 | 271 | faddr->set_bool(value); |
duke@435 | 272 | faddr->origin = origin; |
duke@435 | 273 | } |
duke@435 | 274 | |
duke@435 | 275 | bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) { |
duke@435 | 276 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 277 | if (result == NULL) return false; |
duke@435 | 278 | if (!result->is_intx()) return false; |
duke@435 | 279 | *value = result->get_intx(); |
duke@435 | 280 | return true; |
duke@435 | 281 | } |
duke@435 | 282 | |
duke@435 | 283 | bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin) { |
duke@435 | 284 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 285 | if (result == NULL) return false; |
duke@435 | 286 | if (!result->is_intx()) return false; |
duke@435 | 287 | intx old_value = result->get_intx(); |
duke@435 | 288 | result->set_intx(*value); |
duke@435 | 289 | *value = old_value; |
duke@435 | 290 | result->origin = origin; |
duke@435 | 291 | return true; |
duke@435 | 292 | } |
duke@435 | 293 | |
duke@435 | 294 | void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, FlagValueOrigin origin) { |
duke@435 | 295 | Flag* faddr = address_of_flag(flag); |
duke@435 | 296 | guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); |
duke@435 | 297 | faddr->set_intx(value); |
duke@435 | 298 | faddr->origin = origin; |
duke@435 | 299 | } |
duke@435 | 300 | |
duke@435 | 301 | bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) { |
duke@435 | 302 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 303 | if (result == NULL) return false; |
duke@435 | 304 | if (!result->is_uintx()) return false; |
duke@435 | 305 | *value = result->get_uintx(); |
duke@435 | 306 | return true; |
duke@435 | 307 | } |
duke@435 | 308 | |
duke@435 | 309 | bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin) { |
duke@435 | 310 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 311 | if (result == NULL) return false; |
duke@435 | 312 | if (!result->is_uintx()) return false; |
duke@435 | 313 | uintx old_value = result->get_uintx(); |
duke@435 | 314 | result->set_uintx(*value); |
duke@435 | 315 | *value = old_value; |
duke@435 | 316 | result->origin = origin; |
duke@435 | 317 | return true; |
duke@435 | 318 | } |
duke@435 | 319 | |
duke@435 | 320 | void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, FlagValueOrigin origin) { |
duke@435 | 321 | Flag* faddr = address_of_flag(flag); |
duke@435 | 322 | guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); |
duke@435 | 323 | faddr->set_uintx(value); |
duke@435 | 324 | faddr->origin = origin; |
duke@435 | 325 | } |
duke@435 | 326 | |
duke@435 | 327 | bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) { |
duke@435 | 328 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 329 | if (result == NULL) return false; |
duke@435 | 330 | if (!result->is_double()) return false; |
duke@435 | 331 | *value = result->get_double(); |
duke@435 | 332 | return true; |
duke@435 | 333 | } |
duke@435 | 334 | |
duke@435 | 335 | bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin) { |
duke@435 | 336 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 337 | if (result == NULL) return false; |
duke@435 | 338 | if (!result->is_double()) return false; |
duke@435 | 339 | double old_value = result->get_double(); |
duke@435 | 340 | result->set_double(*value); |
duke@435 | 341 | *value = old_value; |
duke@435 | 342 | result->origin = origin; |
duke@435 | 343 | return true; |
duke@435 | 344 | } |
duke@435 | 345 | |
duke@435 | 346 | void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, FlagValueOrigin origin) { |
duke@435 | 347 | Flag* faddr = address_of_flag(flag); |
duke@435 | 348 | guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); |
duke@435 | 349 | faddr->set_double(value); |
duke@435 | 350 | faddr->origin = origin; |
duke@435 | 351 | } |
duke@435 | 352 | |
duke@435 | 353 | bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) { |
duke@435 | 354 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 355 | if (result == NULL) return false; |
duke@435 | 356 | if (!result->is_ccstr()) return false; |
duke@435 | 357 | *value = result->get_ccstr(); |
duke@435 | 358 | return true; |
duke@435 | 359 | } |
duke@435 | 360 | |
duke@435 | 361 | // Contract: Flag will make private copy of the incoming value. |
duke@435 | 362 | // Outgoing value is always malloc-ed, and caller MUST call free. |
duke@435 | 363 | bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin) { |
duke@435 | 364 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 365 | if (result == NULL) return false; |
duke@435 | 366 | if (!result->is_ccstr()) return false; |
duke@435 | 367 | ccstr old_value = result->get_ccstr(); |
never@805 | 368 | char* new_value = NULL; |
never@805 | 369 | if (*value != NULL) { |
never@805 | 370 | new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1); |
never@805 | 371 | strcpy(new_value, *value); |
never@805 | 372 | } |
duke@435 | 373 | result->set_ccstr(new_value); |
duke@435 | 374 | if (result->origin == DEFAULT && old_value != NULL) { |
duke@435 | 375 | // Prior value is NOT heap allocated, but was a literal constant. |
duke@435 | 376 | char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1); |
duke@435 | 377 | strcpy(old_value_to_free, old_value); |
duke@435 | 378 | old_value = old_value_to_free; |
duke@435 | 379 | } |
duke@435 | 380 | *value = old_value; |
duke@435 | 381 | result->origin = origin; |
duke@435 | 382 | return true; |
duke@435 | 383 | } |
duke@435 | 384 | |
duke@435 | 385 | // Contract: Flag will make private copy of the incoming value. |
duke@435 | 386 | void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, FlagValueOrigin origin) { |
duke@435 | 387 | Flag* faddr = address_of_flag(flag); |
duke@435 | 388 | guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); |
duke@435 | 389 | ccstr old_value = faddr->get_ccstr(); |
duke@435 | 390 | char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1); |
duke@435 | 391 | strcpy(new_value, value); |
duke@435 | 392 | faddr->set_ccstr(new_value); |
duke@435 | 393 | if (faddr->origin != DEFAULT && old_value != NULL) { |
duke@435 | 394 | // Prior value is heap allocated so free it. |
duke@435 | 395 | FREE_C_HEAP_ARRAY(char, old_value); |
duke@435 | 396 | } |
duke@435 | 397 | faddr->origin = origin; |
duke@435 | 398 | } |
duke@435 | 399 | |
duke@435 | 400 | extern "C" { |
duke@435 | 401 | static int compare_flags(const void* void_a, const void* void_b) { |
duke@435 | 402 | return strcmp((*((Flag**) void_a))->name, (*((Flag**) void_b))->name); |
duke@435 | 403 | } |
duke@435 | 404 | } |
duke@435 | 405 | |
duke@435 | 406 | void CommandLineFlags::printSetFlags() { |
duke@435 | 407 | // Print which flags were set on the command line |
duke@435 | 408 | // note: this method is called before the thread structure is in place |
duke@435 | 409 | // which means resource allocation cannot be used. |
duke@435 | 410 | |
duke@435 | 411 | // Compute size |
duke@435 | 412 | int length= 0; |
duke@435 | 413 | while (flagTable[length].name != NULL) length++; |
duke@435 | 414 | |
duke@435 | 415 | // Sort |
duke@435 | 416 | Flag** array = NEW_C_HEAP_ARRAY(Flag*, length); |
duke@435 | 417 | for (int index = 0; index < length; index++) { |
duke@435 | 418 | array[index] = &flagTable[index]; |
duke@435 | 419 | } |
duke@435 | 420 | qsort(array, length, sizeof(Flag*), compare_flags); |
duke@435 | 421 | |
duke@435 | 422 | |
duke@435 | 423 | for (int i = 0; i < length; i++) { |
duke@435 | 424 | if (array[i]->origin /* naked field! */) { |
duke@435 | 425 | array[i]->print_as_flag(tty); |
duke@435 | 426 | tty->print(" "); |
duke@435 | 427 | } |
duke@435 | 428 | } |
duke@435 | 429 | tty->cr(); |
duke@435 | 430 | FREE_C_HEAP_ARRAY(Flag*, array); |
duke@435 | 431 | } |
duke@435 | 432 | |
duke@435 | 433 | #ifndef PRODUCT |
duke@435 | 434 | |
duke@435 | 435 | |
duke@435 | 436 | void CommandLineFlags::verify() { |
duke@435 | 437 | assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); |
duke@435 | 438 | } |
duke@435 | 439 | |
duke@435 | 440 | void CommandLineFlags::printFlags() { |
duke@435 | 441 | // Print the flags sorted by name |
duke@435 | 442 | // note: this method is called before the thread structure is in place |
duke@435 | 443 | // which means resource allocation cannot be used. |
duke@435 | 444 | |
duke@435 | 445 | // Compute size |
duke@435 | 446 | int length= 0; |
duke@435 | 447 | while (flagTable[length].name != NULL) length++; |
duke@435 | 448 | |
duke@435 | 449 | // Sort |
duke@435 | 450 | Flag** array = NEW_C_HEAP_ARRAY(Flag*, length); |
duke@435 | 451 | for (int index = 0; index < length; index++) { |
duke@435 | 452 | array[index] = &flagTable[index]; |
duke@435 | 453 | } |
duke@435 | 454 | qsort(array, length, sizeof(Flag*), compare_flags); |
duke@435 | 455 | |
duke@435 | 456 | |
duke@435 | 457 | tty->print_cr("[Global flags]"); |
duke@435 | 458 | for (int i = 0; i < length; i++) { |
duke@435 | 459 | if (array[i]->is_unlocked()) { |
duke@435 | 460 | array[i]->print_on(tty); |
duke@435 | 461 | } |
duke@435 | 462 | } |
duke@435 | 463 | FREE_C_HEAP_ARRAY(Flag*, array); |
duke@435 | 464 | } |
duke@435 | 465 | |
duke@435 | 466 | #endif |