truffle: src/share/vm/runtime/globals.cpp annotate

annotate src/share/vm/runtime/globals.cpp @ 12144:d8e99408faad

8009062: poor performance of JNI AttachCurrentThread after fix for 7017193 Summary: don't re-evaluate stack bounds for main thread before install guard page Reviewed-by: coleenp, dholmes, dlong

author	dsamersoff
date	Thu, 29 Aug 2013 21:48:23 +0400
parents	6e3634222155
children	6b0fd0964b87 f98f5d48f511

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
8045 64d2a0a39954 8006430: TraceTypeProfile is a product flag while it should be a diagnostic flag kmo parents: 8001 diff changeset	2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1150 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1150 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1150 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	25 #include "precompiled.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	26 #include "memory/allocation.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	27 #include "oops/oop.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	28 #include "runtime/arguments.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	29 #include "runtime/globals.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	30 #include "runtime/globals_extension.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	31 #include "utilities/ostream.hpp"
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 6633 diff changeset	32 #include "utilities/macros.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	33 #include "utilities/top.hpp"
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 6633 diff changeset	34 #if INCLUDE_ALL_GCS
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	35 #include "gc_implementation/g1/g1_globals.hpp"
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 6633 diff changeset	36 #endif // INCLUDE_ALL_GCS
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	37 #ifdef COMPILER1
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	38 #include "c1/c1_globals.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	39 #endif
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	40 #ifdef COMPILER2
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	41 #include "opto/c2_globals.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	42 #endif
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	43 #ifdef SHARK
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	44 #include "shark/shark_globals.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1768 diff changeset	45 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	46
a61af66fc99e Initial load duke parents: diff changeset	47 RUNTIME_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \
a61af66fc99e Initial load duke parents: diff changeset	48 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \
4088 358eca91be48 7116730: Revert 7116481: Commercial features in Hotspot must be gated by a switch phh parents: 4087 diff changeset	49 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \
358eca91be48 7116730: Revert 7116481: Commercial features in Hotspot must be gated by a switch phh parents: 4087 diff changeset	50 MATERIALIZE_NOTPRODUCT_FLAG, \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 103 diff changeset	51 MATERIALIZE_MANAGEABLE_FLAG, MATERIALIZE_PRODUCT_RW_FLAG, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 103 diff changeset	52 MATERIALIZE_LP64_PRODUCT_FLAG)
0 a61af66fc99e Initial load duke parents: diff changeset	53
a61af66fc99e Initial load duke parents: diff changeset	54 RUNTIME_OS_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \
a61af66fc99e Initial load duke parents: diff changeset	55 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \
a61af66fc99e Initial load duke parents: diff changeset	56 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_NOTPRODUCT_FLAG)
a61af66fc99e Initial load duke parents: diff changeset	57
6633 a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp twisti parents: 6197 diff changeset	58 ARCH_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PRODUCT_FLAG, \
a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp twisti parents: 6197 diff changeset	59 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \
a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp twisti parents: 6197 diff changeset	60 MATERIALIZE_NOTPRODUCT_FLAG)
a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp twisti parents: 6197 diff changeset	61
4107 cd00eaeebef6 7117389: Add a framework for vendor-specific command line switch extensions to Hotspot phh parents: 4088 diff changeset	62 MATERIALIZE_FLAGS_EXT
cd00eaeebef6 7117389: Add a framework for vendor-specific command line switch extensions to Hotspot phh parents: 4088 diff changeset	63
cd00eaeebef6 7117389: Add a framework for vendor-specific command line switch extensions to Hotspot phh parents: 4088 diff changeset	64
0 a61af66fc99e Initial load duke parents: diff changeset	65 bool Flag::is_unlocker() const {
4088 358eca91be48 7116730: Revert 7116481: Commercial features in Hotspot must be gated by a switch phh parents: 4087 diff changeset	66 return strcmp(name, "UnlockDiagnosticVMOptions") == 0 \|\|
4107 cd00eaeebef6 7117389: Add a framework for vendor-specific command line switch extensions to Hotspot phh parents: 4088 diff changeset	67 strcmp(name, "UnlockExperimentalVMOptions") == 0 \|\|
cd00eaeebef6 7117389: Add a framework for vendor-specific command line switch extensions to Hotspot phh parents: 4088 diff changeset	68 is_unlocker_ext();
0 a61af66fc99e Initial load duke parents: diff changeset	69 }
a61af66fc99e Initial load duke parents: diff changeset	70
a61af66fc99e Initial load duke parents: diff changeset	71 bool Flag::is_unlocked() const {
8045 64d2a0a39954 8006430: TraceTypeProfile is a product flag while it should be a diagnostic flag kmo parents: 8001 diff changeset	72 if (strcmp(kind, "{diagnostic}") == 0 \|\|
64d2a0a39954 8006430: TraceTypeProfile is a product flag while it should be a diagnostic flag kmo parents: 8001 diff changeset	73 strcmp(kind, "{C2 diagnostic}") == 0 \|\|
64d2a0a39954 8006430: TraceTypeProfile is a product flag while it should be a diagnostic flag kmo parents: 8001 diff changeset	74 strcmp(kind, "{ARCH diagnostic}") == 0 \|\|
64d2a0a39954 8006430: TraceTypeProfile is a product flag while it should be a diagnostic flag kmo parents: 8001 diff changeset	75 strcmp(kind, "{Shark diagnostic}") == 0) {
0 a61af66fc99e Initial load duke parents: diff changeset	76 return UnlockDiagnosticVMOptions;
1080 7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns never parents: 1067 diff changeset	77 } else if (strcmp(kind, "{experimental}") == 0 \|\|
8045 64d2a0a39954 8006430: TraceTypeProfile is a product flag while it should be a diagnostic flag kmo parents: 8001 diff changeset	78 strcmp(kind, "{C2 experimental}") == 0 \|\|
64d2a0a39954 8006430: TraceTypeProfile is a product flag while it should be a diagnostic flag kmo parents: 8001 diff changeset	79 strcmp(kind, "{ARCH experimental}") == 0 \|\|
64d2a0a39954 8006430: TraceTypeProfile is a product flag while it should be a diagnostic flag kmo parents: 8001 diff changeset	80 strcmp(kind, "{Shark experimental}") == 0) {
350 d28aa69f0959 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag ysr parents: 342 diff changeset	81 return UnlockExperimentalVMOptions;
0 a61af66fc99e Initial load duke parents: diff changeset	82 } else {
4107 cd00eaeebef6 7117389: Add a framework for vendor-specific command line switch extensions to Hotspot phh parents: 4088 diff changeset	83 return is_unlocked_ext();
0 a61af66fc99e Initial load duke parents: diff changeset	84 }
a61af66fc99e Initial load duke parents: diff changeset	85 }
a61af66fc99e Initial load duke parents: diff changeset	86
5947 80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages jmelvin parents: 4773 diff changeset	87 // Get custom message for this locked flag, or return NULL if
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages jmelvin parents: 4773 diff changeset	88 // none is available.
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages jmelvin parents: 4773 diff changeset	89 void Flag::get_locked_message(char* buf, int buflen) const {
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages jmelvin parents: 4773 diff changeset	90 get_locked_message_ext(buf, buflen);
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages jmelvin parents: 4773 diff changeset	91 }
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages jmelvin parents: 4773 diff changeset	92
0 a61af66fc99e Initial load duke parents: diff changeset	93 bool Flag::is_writeable() const {
4715 6c995c08526c 7122880: Extend vendor-specific command interface to include manageable switches phh parents: 4107 diff changeset	94 return strcmp(kind, "{manageable}") == 0 \|\|
6c995c08526c 7122880: Extend vendor-specific command interface to include manageable switches phh parents: 4107 diff changeset	95 strcmp(kind, "{product rw}") == 0 \|\|
6c995c08526c 7122880: Extend vendor-specific command interface to include manageable switches phh parents: 4107 diff changeset	96 is_writeable_ext();
0 a61af66fc99e Initial load duke parents: diff changeset	97 }
a61af66fc99e Initial load duke parents: diff changeset	98
4715 6c995c08526c 7122880: Extend vendor-specific command interface to include manageable switches phh parents: 4107 diff changeset	99 // All flags except "manageable" are assumed to be internal flags.
0 a61af66fc99e Initial load duke parents: diff changeset	100 // Long term, we need to define a mechanism to specify which flags
a61af66fc99e Initial load duke parents: diff changeset	101 // are external/stable and change this function accordingly.
a61af66fc99e Initial load duke parents: diff changeset	102 bool Flag::is_external() const {
4715 6c995c08526c 7122880: Extend vendor-specific command interface to include manageable switches phh parents: 4107 diff changeset	103 return strcmp(kind, "{manageable}") == 0 \|\| is_external_ext();
0 a61af66fc99e Initial load duke parents: diff changeset	104 }
a61af66fc99e Initial load duke parents: diff changeset	105
4715 6c995c08526c 7122880: Extend vendor-specific command interface to include manageable switches phh parents: 4107 diff changeset	106
0 a61af66fc99e Initial load duke parents: diff changeset	107 // Length of format string (e.g. "%.1234s") for printing ccstr below
a61af66fc99e Initial load duke parents: diff changeset	108 #define FORMAT_BUFFER_LEN 16
a61af66fc99e Initial load duke parents: diff changeset	109
1768 6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	110 void Flag::print_on(outputStream* st, bool withComments) {
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	111 st->print("%9s %-40s %c= ", type, name, (origin != DEFAULT ? ':' : ' '));
1067 ba7ea42fc66e 6898160: Need serviceability support for new vm argument type 'uint64_t' phh parents: 1064 diff changeset	112 if (is_bool()) st->print("%-16s", get_bool() ? "true" : "false");
ba7ea42fc66e 6898160: Need serviceability support for new vm argument type 'uint64_t' phh parents: 1064 diff changeset	113 if (is_intx()) st->print("%-16ld", get_intx());
ba7ea42fc66e 6898160: Need serviceability support for new vm argument type 'uint64_t' phh parents: 1064 diff changeset	114 if (is_uintx()) st->print("%-16lu", get_uintx());
ba7ea42fc66e 6898160: Need serviceability support for new vm argument type 'uint64_t' phh parents: 1064 diff changeset	115 if (is_uint64_t()) st->print("%-16lu", get_uint64_t());
1768 6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	116 if (is_double()) st->print("%-16f", get_double());
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	117
0 a61af66fc99e Initial load duke parents: diff changeset	118 if (is_ccstr()) {
1768 6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	119 const char* cp = get_ccstr();
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	120 if (cp != NULL) {
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	121 const char* eol;
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	122 while ((eol = strchr(cp, '\n')) != NULL) {
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	123 char format_buffer[FORMAT_BUFFER_LEN];
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	124 size_t llen = pointer_delta(eol, cp, sizeof(char));
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	125 jio_snprintf(format_buffer, FORMAT_BUFFER_LEN,
103 38a50dd839cf 6619271: The -Xprintflags causes the VM to segv never parents: 13 diff changeset	126 "%%." SIZE_FORMAT "s", llen);
1768 6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	127 st->print(format_buffer, cp);
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	128 st->cr();
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	129 cp = eol+1;
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	130 st->print("%5s %-35s += ", "", name);
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	131 }
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	132 st->print("%-16s", cp);
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	133 }
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	134 else st->print("%-16s", "");
0 a61af66fc99e Initial load duke parents: diff changeset	135 }
1768 6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	136 st->print("%-20s", kind);
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	137 if (withComments) {
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	138 #ifndef PRODUCT
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	139 st->print("%s", doc );
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	140 #endif
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	141 }
0 a61af66fc99e Initial load duke parents: diff changeset	142 st->cr();
a61af66fc99e Initial load duke parents: diff changeset	143 }
a61af66fc99e Initial load duke parents: diff changeset	144
a61af66fc99e Initial load duke parents: diff changeset	145 void Flag::print_as_flag(outputStream* st) {
a61af66fc99e Initial load duke parents: diff changeset	146 if (is_bool()) {
a61af66fc99e Initial load duke parents: diff changeset	147 st->print("-XX:%s%s", get_bool() ? "+" : "-", name);
a61af66fc99e Initial load duke parents: diff changeset	148 } else if (is_intx()) {
a61af66fc99e Initial load duke parents: diff changeset	149 st->print("-XX:%s=" INTX_FORMAT, name, get_intx());
a61af66fc99e Initial load duke parents: diff changeset	150 } else if (is_uintx()) {
a61af66fc99e Initial load duke parents: diff changeset	151 st->print("-XX:%s=" UINTX_FORMAT, name, get_uintx());
1067 ba7ea42fc66e 6898160: Need serviceability support for new vm argument type 'uint64_t' phh parents: 1064 diff changeset	152 } else if (is_uint64_t()) {
ba7ea42fc66e 6898160: Need serviceability support for new vm argument type 'uint64_t' phh parents: 1064 diff changeset	153 st->print("-XX:%s=" UINT64_FORMAT, name, get_uint64_t());
6049 f47478089efc 7167069: 6 VM flags crash the VM when queried via jinfo brutisso parents: 5947 diff changeset	154 } else if (is_double()) {
f47478089efc 7167069: 6 VM flags crash the VM when queried via jinfo brutisso parents: 5947 diff changeset	155 st->print("-XX:%s=%f", name, get_double());
0 a61af66fc99e Initial load duke parents: diff changeset	156 } else if (is_ccstr()) {
a61af66fc99e Initial load duke parents: diff changeset	157 st->print("-XX:%s=", name);
103 38a50dd839cf 6619271: The -Xprintflags causes the VM to segv never parents: 13 diff changeset	158 const char* cp = get_ccstr();
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv never parents: 13 diff changeset	159 if (cp != NULL) {
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv never parents: 13 diff changeset	160 // Need to turn embedded '\n's back into separate arguments
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv never parents: 13 diff changeset	161 // Not so efficient to print one character at a time,
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv never parents: 13 diff changeset	162 // but the choice is to do the transformation to a buffer
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv never parents: 13 diff changeset	163 // and print that. And this need not be efficient.
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv never parents: 13 diff changeset	164 for (; *cp != '\0'; cp += 1) {
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv never parents: 13 diff changeset	165 switch (*cp) {
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv never parents: 13 diff changeset	166 default:
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv never parents: 13 diff changeset	167 st->print("%c", *cp);
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv never parents: 13 diff changeset	168 break;
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv never parents: 13 diff changeset	169 case '\n':
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv never parents: 13 diff changeset	170 st->print(" -XX:%s=", name);
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv never parents: 13 diff changeset	171 break;
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv never parents: 13 diff changeset	172 }
0 a61af66fc99e Initial load duke parents: diff changeset	173 }
a61af66fc99e Initial load duke parents: diff changeset	174 }
a61af66fc99e Initial load duke parents: diff changeset	175 } else {
a61af66fc99e Initial load duke parents: diff changeset	176 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	177 }
a61af66fc99e Initial load duke parents: diff changeset	178 }
a61af66fc99e Initial load duke parents: diff changeset	179
a61af66fc99e Initial load duke parents: diff changeset	180 // 4991491 do not "optimize out" the was_set false values: omitting them
a61af66fc99e Initial load duke parents: diff changeset	181 // tickles a Microsoft compiler bug causing flagTable to be malformed
a61af66fc99e Initial load duke parents: diff changeset	182
1768 6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	183 #define RUNTIME_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	184 #define RUNTIME_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{pd product}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	185 #define RUNTIME_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{diagnostic}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	186 #define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{experimental}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	187 #define RUNTIME_MANAGEABLE_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{manageable}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	188 #define RUNTIME_PRODUCT_RW_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product rw}", DEFAULT },
0 a61af66fc99e Initial load duke parents: diff changeset	189
a61af66fc99e Initial load duke parents: diff changeset	190 #ifdef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	191 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */
a61af66fc99e Initial load duke parents: diff changeset	192 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */
a61af66fc99e Initial load duke parents: diff changeset	193 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc)
a61af66fc99e Initial load duke parents: diff changeset	194 #else
1768 6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	195 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	196 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{pd}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	197 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{notproduct}", DEFAULT },
0 a61af66fc99e Initial load duke parents: diff changeset	198 #endif
a61af66fc99e Initial load duke parents: diff changeset	199
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 103 diff changeset	200 #ifdef _LP64
1768 6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	201 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{lp64_product}", DEFAULT },
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 103 diff changeset	202 #else
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 103 diff changeset	203 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 103 diff changeset	204 #endif // _LP64
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 103 diff changeset	205
1768 6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	206 #define C1_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 product}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	207 #define C1_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 pd product}", DEFAULT },
0 a61af66fc99e Initial load duke parents: diff changeset	208 #ifdef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	209 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */
a61af66fc99e Initial load duke parents: diff changeset	210 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */
a61af66fc99e Initial load duke parents: diff changeset	211 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc)
a61af66fc99e Initial load duke parents: diff changeset	212 #else
1768 6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	213 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	214 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C1 pd}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	215 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1 notproduct}", DEFAULT },
0 a61af66fc99e Initial load duke parents: diff changeset	216 #endif
a61af66fc99e Initial load duke parents: diff changeset	217
1768 6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	218 #define C2_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 product}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	219 #define C2_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 pd product}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	220 #define C2_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 diagnostic}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	221 #define C2_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 experimental}", DEFAULT },
0 a61af66fc99e Initial load duke parents: diff changeset	222 #ifdef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	223 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */
a61af66fc99e Initial load duke parents: diff changeset	224 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */
a61af66fc99e Initial load duke parents: diff changeset	225 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc)
a61af66fc99e Initial load duke parents: diff changeset	226 #else
1768 6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	227 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	228 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C2 pd}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	229 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2 notproduct}", DEFAULT },
0 a61af66fc99e Initial load duke parents: diff changeset	230 #endif
a61af66fc99e Initial load duke parents: diff changeset	231
6633 a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp twisti parents: 6197 diff changeset	232 #define ARCH_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH product}", DEFAULT },
a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp twisti parents: 6197 diff changeset	233 #define ARCH_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH diagnostic}", DEFAULT },
a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp twisti parents: 6197 diff changeset	234 #define ARCH_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH experimental}", DEFAULT },
a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp twisti parents: 6197 diff changeset	235 #ifdef PRODUCT
a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp twisti parents: 6197 diff changeset	236 #define ARCH_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */
a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp twisti parents: 6197 diff changeset	237 #define ARCH_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc)
a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp twisti parents: 6197 diff changeset	238 #else
a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp twisti parents: 6197 diff changeset	239 #define ARCH_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{ARCH}", DEFAULT },
a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp twisti parents: 6197 diff changeset	240 #define ARCH_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{ARCH notproduct}", DEFAULT },
a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp twisti parents: 6197 diff changeset	241 #endif
a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp twisti parents: 6197 diff changeset	242
1768 6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	243 #define SHARK_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark product}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	244 #define SHARK_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark pd product}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	245 #define SHARK_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark diagnostic}", DEFAULT },
1692 d2ede61b7a12 6976186: integrate Shark HotSpot changes twisti parents: 1552 diff changeset	246 #ifdef PRODUCT
d2ede61b7a12 6976186: integrate Shark HotSpot changes twisti parents: 1552 diff changeset	247 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */
d2ede61b7a12 6976186: integrate Shark HotSpot changes twisti parents: 1552 diff changeset	248 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */
d2ede61b7a12 6976186: integrate Shark HotSpot changes twisti parents: 1552 diff changeset	249 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc)
d2ede61b7a12 6976186: integrate Shark HotSpot changes twisti parents: 1552 diff changeset	250 #else
1768 6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	251 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	252 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{Shark pd}", DEFAULT },
6ee479178066 6979444: add command line option to print command line flags descriptions ikrylov parents: 1692 diff changeset	253 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark notproduct}", DEFAULT },
1692 d2ede61b7a12 6976186: integrate Shark HotSpot changes twisti parents: 1552 diff changeset	254 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	255
a61af66fc99e Initial load duke parents: diff changeset	256 static Flag flagTable[] = {
4088 358eca91be48 7116730: Revert 7116481: Commercial features in Hotspot must be gated by a switch phh parents: 4087 diff changeset	257 RUNTIME_FLAGS(RUNTIME_DEVELOP_FLAG_STRUCT, RUNTIME_PD_DEVELOP_FLAG_STRUCT, RUNTIME_PRODUCT_FLAG_STRUCT, RUNTIME_PD_PRODUCT_FLAG_STRUCT, RUNTIME_DIAGNOSTIC_FLAG_STRUCT, RUNTIME_EXPERIMENTAL_FLAG_STRUCT, RUNTIME_NOTPRODUCT_FLAG_STRUCT, RUNTIME_MANAGEABLE_FLAG_STRUCT, RUNTIME_PRODUCT_RW_FLAG_STRUCT, RUNTIME_LP64_PRODUCT_FLAG_STRUCT)
0 a61af66fc99e Initial load duke parents: diff changeset	258 RUNTIME_OS_FLAGS(RUNTIME_DEVELOP_FLAG_STRUCT, RUNTIME_PD_DEVELOP_FLAG_STRUCT, RUNTIME_PRODUCT_FLAG_STRUCT, RUNTIME_PD_PRODUCT_FLAG_STRUCT, RUNTIME_DIAGNOSTIC_FLAG_STRUCT, RUNTIME_NOTPRODUCT_FLAG_STRUCT)
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 6633 diff changeset	259 #if INCLUDE_ALL_GCS
350 d28aa69f0959 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag ysr parents: 342 diff changeset	260 G1_FLAGS(RUNTIME_DEVELOP_FLAG_STRUCT, RUNTIME_PD_DEVELOP_FLAG_STRUCT, RUNTIME_PRODUCT_FLAG_STRUCT, RUNTIME_PD_PRODUCT_FLAG_STRUCT, RUNTIME_DIAGNOSTIC_FLAG_STRUCT, RUNTIME_EXPERIMENTAL_FLAG_STRUCT, RUNTIME_NOTPRODUCT_FLAG_STRUCT, RUNTIME_MANAGEABLE_FLAG_STRUCT, RUNTIME_PRODUCT_RW_FLAG_STRUCT)
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 6633 diff changeset	261 #endif // INCLUDE_ALL_GCS
0 a61af66fc99e Initial load duke parents: diff changeset	262 #ifdef COMPILER1
a61af66fc99e Initial load duke parents: diff changeset	263 C1_FLAGS(C1_DEVELOP_FLAG_STRUCT, C1_PD_DEVELOP_FLAG_STRUCT, C1_PRODUCT_FLAG_STRUCT, C1_PD_PRODUCT_FLAG_STRUCT, C1_NOTPRODUCT_FLAG_STRUCT)
a61af66fc99e Initial load duke parents: diff changeset	264 #endif
a61af66fc99e Initial load duke parents: diff changeset	265 #ifdef COMPILER2
1080 7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns never parents: 1067 diff changeset	266 C2_FLAGS(C2_DEVELOP_FLAG_STRUCT, C2_PD_DEVELOP_FLAG_STRUCT, C2_PRODUCT_FLAG_STRUCT, C2_PD_PRODUCT_FLAG_STRUCT, C2_DIAGNOSTIC_FLAG_STRUCT, C2_EXPERIMENTAL_FLAG_STRUCT, C2_NOTPRODUCT_FLAG_STRUCT)
0 a61af66fc99e Initial load duke parents: diff changeset	267 #endif
1692 d2ede61b7a12 6976186: integrate Shark HotSpot changes twisti parents: 1552 diff changeset	268 #ifdef SHARK
d2ede61b7a12 6976186: integrate Shark HotSpot changes twisti parents: 1552 diff changeset	269 SHARK_FLAGS(SHARK_DEVELOP_FLAG_STRUCT, SHARK_PD_DEVELOP_FLAG_STRUCT, SHARK_PRODUCT_FLAG_STRUCT, SHARK_PD_PRODUCT_FLAG_STRUCT, SHARK_DIAGNOSTIC_FLAG_STRUCT, SHARK_NOTPRODUCT_FLAG_STRUCT)
d2ede61b7a12 6976186: integrate Shark HotSpot changes twisti parents: 1552 diff changeset	270 #endif
6633 a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp twisti parents: 6197 diff changeset	271 ARCH_FLAGS(ARCH_DEVELOP_FLAG_STRUCT, ARCH_PRODUCT_FLAG_STRUCT, ARCH_DIAGNOSTIC_FLAG_STRUCT, ARCH_EXPERIMENTAL_FLAG_STRUCT, ARCH_NOTPRODUCT_FLAG_STRUCT)
4107 cd00eaeebef6 7117389: Add a framework for vendor-specific command line switch extensions to Hotspot phh parents: 4088 diff changeset	272 FLAGTABLE_EXT
0 a61af66fc99e Initial load duke parents: diff changeset	273 {0, NULL, NULL}
a61af66fc99e Initial load duke parents: diff changeset	274 };
a61af66fc99e Initial load duke parents: diff changeset	275
a61af66fc99e Initial load duke parents: diff changeset	276 Flag* Flag::flags = flagTable;
a61af66fc99e Initial load duke parents: diff changeset	277 size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag));
a61af66fc99e Initial load duke parents: diff changeset	278
11070 6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	279 inline bool str_equal(const char* s, const char* q, size_t len) {
0 a61af66fc99e Initial load duke parents: diff changeset	280 // s is null terminated, q is not!
a61af66fc99e Initial load duke parents: diff changeset	281 if (strlen(s) != (unsigned int) len) return false;
a61af66fc99e Initial load duke parents: diff changeset	282 return strncmp(s, q, len) == 0;
a61af66fc99e Initial load duke parents: diff changeset	283 }
a61af66fc99e Initial load duke parents: diff changeset	284
5947 80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages jmelvin parents: 4773 diff changeset	285 // Search the flag table for a named flag
11070 6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	286 Flag* Flag::find_flag(const char* name, size_t length, bool allow_locked) {
5947 80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages jmelvin parents: 4773 diff changeset	287 for (Flag* current = &flagTable[0]; current->name != NULL; current++) {
0 a61af66fc99e Initial load duke parents: diff changeset	288 if (str_equal(current->name, name, length)) {
5947 80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages jmelvin parents: 4773 diff changeset	289 // Found a matching entry. Report locked flags only if allowed.
0 a61af66fc99e Initial load duke parents: diff changeset	290 if (!(current->is_unlocked() \|\| current->is_unlocker())) {
5947 80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages jmelvin parents: 4773 diff changeset	291 if (!allow_locked) {
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages jmelvin parents: 4773 diff changeset	292 // disable use of locked flags, e.g. diagnostic, experimental,
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages jmelvin parents: 4773 diff changeset	293 // commercial... until they are explicitly unlocked
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages jmelvin parents: 4773 diff changeset	294 return NULL;
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages jmelvin parents: 4773 diff changeset	295 }
0 a61af66fc99e Initial load duke parents: diff changeset	296 }
a61af66fc99e Initial load duke parents: diff changeset	297 return current;
a61af66fc99e Initial load duke parents: diff changeset	298 }
a61af66fc99e Initial load duke parents: diff changeset	299 }
5947 80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages jmelvin parents: 4773 diff changeset	300 // Flag name is not in the flag table
0 a61af66fc99e Initial load duke parents: diff changeset	301 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	302 }
a61af66fc99e Initial load duke parents: diff changeset	303
11070 6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	304 // Compute string similarity based on Dice's coefficient
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	305 static float str_similar(const char* str1, const char* str2, size_t len2) {
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	306 int len1 = (int) strlen(str1);
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	307 int total = len1 + (int) len2;
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	308
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	309 int hit = 0;
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	310
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	311 for (int i = 0; i < len1 -1; ++i) {
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	312 for (int j = 0; j < (int) len2 -1; ++j) {
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	313 if ((str1[i] == str2[j]) && (str1[i+1] == str2[j+1])) {
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	314 ++hit;
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	315 break;
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	316 }
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	317 }
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	318 }
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	319
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	320 return 2.0f * (float) hit / (float) total;
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	321 }
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	322
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	323 Flag* Flag::fuzzy_match(const char* name, size_t length, bool allow_locked) {
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	324 float VMOptionsFuzzyMatchSimilarity = 0.7f;
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	325 Flag* match = NULL;
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	326 float score;
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	327 float max_score = -1;
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	328
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	329 for (Flag* current = &flagTable[0]; current->name != NULL; current++) {
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	330 score = str_similar(current->name, name, length);
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	331 if (score > max_score) {
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	332 max_score = score;
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	333 match = current;
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	334 }
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	335 }
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	336
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	337 if (!(match->is_unlocked() \|\| match->is_unlocker())) {
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	338 if (!allow_locked) {
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	339 return NULL;
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	340 }
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	341 }
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	342
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	343 if (max_score < VMOptionsFuzzyMatchSimilarity) {
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	344 return NULL;
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	345 }
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	346
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	347 return match;
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	348 }
6e3634222155 8017611: Auto corrector for mistyped vm options tamao parents: 11028 diff changeset	349
0 a61af66fc99e Initial load duke parents: diff changeset	350 // Returns the address of the index'th element
a61af66fc99e Initial load duke parents: diff changeset	351 static Flag* address_of_flag(CommandLineFlagWithType flag) {
a61af66fc99e Initial load duke parents: diff changeset	352 assert((size_t)flag < Flag::numFlags, "bad command line flag index");
a61af66fc99e Initial load duke parents: diff changeset	353 return &Flag::flags[flag];
a61af66fc99e Initial load duke parents: diff changeset	354 }
a61af66fc99e Initial load duke parents: diff changeset	355
a61af66fc99e Initial load duke parents: diff changeset	356 bool CommandLineFlagsEx::is_default(CommandLineFlag flag) {
a61af66fc99e Initial load duke parents: diff changeset	357 assert((size_t)flag < Flag::numFlags, "bad command line flag index");
a61af66fc99e Initial load duke parents: diff changeset	358 Flag* f = &Flag::flags[flag];
a61af66fc99e Initial load duke parents: diff changeset	359 return (f->origin == DEFAULT);
a61af66fc99e Initial load duke parents: diff changeset	360 }
a61af66fc99e Initial load duke parents: diff changeset	361
13 183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO jmasa parents: 0 diff changeset	362 bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) {
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO jmasa parents: 0 diff changeset	363 assert((size_t)flag < Flag::numFlags, "bad command line flag index");
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO jmasa parents: 0 diff changeset	364 Flag* f = &Flag::flags[flag];
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO jmasa parents: 0 diff changeset	365 return (f->origin == ERGONOMIC);
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO jmasa parents: 0 diff changeset	366 }
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO jmasa parents: 0 diff changeset	367
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO jmasa parents: 0 diff changeset	368 bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) {
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO jmasa parents: 0 diff changeset	369 assert((size_t)flag < Flag::numFlags, "bad command line flag index");
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO jmasa parents: 0 diff changeset	370 Flag* f = &Flag::flags[flag];
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO jmasa parents: 0 diff changeset	371 return (f->origin == COMMAND_LINE);
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO jmasa parents: 0 diff changeset	372 }
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO jmasa parents: 0 diff changeset	373
0 a61af66fc99e Initial load duke parents: diff changeset	374 bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) {
a61af66fc99e Initial load duke parents: diff changeset	375 Flag* result = Flag::find_flag((char*)name, strlen(name));
a61af66fc99e Initial load duke parents: diff changeset	376 if (result == NULL) return false;
a61af66fc99e Initial load duke parents: diff changeset	377 *value = (result->origin == COMMAND_LINE);
a61af66fc99e Initial load duke parents: diff changeset	378 return true;
a61af66fc99e Initial load duke parents: diff changeset	379 }
a61af66fc99e Initial load duke parents: diff changeset	380
a61af66fc99e Initial load duke parents: diff changeset	381 bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) {
a61af66fc99e Initial load duke parents: diff changeset	382 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load duke parents: diff changeset	383 if (result == NULL) return false;
a61af66fc99e Initial load duke parents: diff changeset	384 if (!result->is_bool()) return false;
a61af66fc99e Initial load duke parents: diff changeset	385 *value = result->get_bool();
a61af66fc99e Initial load duke parents: diff changeset	386 return true;
a61af66fc99e Initial load duke parents: diff changeset	387 }
a61af66fc99e Initial load duke parents: diff changeset	388
a61af66fc99e Initial load duke parents: diff changeset	389 bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin) {
a61af66fc99e Initial load duke parents: diff changeset	390 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load duke parents: diff changeset	391 if (result == NULL) return false;
a61af66fc99e Initial load duke parents: diff changeset	392 if (!result->is_bool()) return false;
a61af66fc99e Initial load duke parents: diff changeset	393 bool old_value = result->get_bool();
a61af66fc99e Initial load duke parents: diff changeset	394 result->set_bool(*value);
a61af66fc99e Initial load duke parents: diff changeset	395 *value = old_value;
a61af66fc99e Initial load duke parents: diff changeset	396 result->origin = origin;
a61af66fc99e Initial load duke parents: diff changeset	397 return true;
a61af66fc99e Initial load duke parents: diff changeset	398 }
a61af66fc99e Initial load duke parents: diff changeset	399
a61af66fc99e Initial load duke parents: diff changeset	400 void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, FlagValueOrigin origin) {
a61af66fc99e Initial load duke parents: diff changeset	401 Flag* faddr = address_of_flag(flag);
a61af66fc99e Initial load duke parents: diff changeset	402 guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type");
a61af66fc99e Initial load duke parents: diff changeset	403 faddr->set_bool(value);
a61af66fc99e Initial load duke parents: diff changeset	404 faddr->origin = origin;
a61af66fc99e Initial load duke parents: diff changeset	405 }
a61af66fc99e Initial load duke parents: diff changeset	406
a61af66fc99e Initial load duke parents: diff changeset	407 bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) {
a61af66fc99e Initial load duke parents: diff changeset	408 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load duke parents: diff changeset	409 if (result == NULL) return false;
a61af66fc99e Initial load duke parents: diff changeset	410 if (!result->is_intx()) return false;
a61af66fc99e Initial load duke parents: diff changeset	411 *value = result->get_intx();
a61af66fc99e Initial load duke parents: diff changeset	412 return true;
a61af66fc99e Initial load duke parents: diff changeset	413 }
a61af66fc99e Initial load duke parents: diff changeset	414
a61af66fc99e Initial load duke parents: diff changeset	415 bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin) {
a61af66fc99e Initial load duke parents: diff changeset	416 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load duke parents: diff changeset	417 if (result == NULL) return false;
a61af66fc99e Initial load duke parents: diff changeset	418 if (!result->is_intx()) return false;
a61af66fc99e Initial load duke parents: diff changeset	419 intx old_value = result->get_intx();
a61af66fc99e Initial load duke parents: diff changeset	420 result->set_intx(*value);
a61af66fc99e Initial load duke parents: diff changeset	421 *value = old_value;
a61af66fc99e Initial load duke parents: diff changeset	422 result->origin = origin;
a61af66fc99e Initial load duke parents: diff changeset	423 return true;
a61af66fc99e Initial load duke parents: diff changeset	424 }
a61af66fc99e Initial load duke parents: diff changeset	425
a61af66fc99e Initial load duke parents: diff changeset	426 void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, FlagValueOrigin origin) {
a61af66fc99e Initial load duke parents: diff changeset	427 Flag* faddr = address_of_flag(flag);
a61af66fc99e Initial load duke parents: diff changeset	428 guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type");
a61af66fc99e Initial load duke parents: diff changeset	429 faddr->set_intx(value);
a61af66fc99e Initial load duke parents: diff changeset	430 faddr->origin = origin;
a61af66fc99e Initial load duke parents: diff changeset	431 }
a61af66fc99e Initial load duke parents: diff changeset	432
a61af66fc99e Initial load duke parents: diff changeset	433 bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) {
a61af66fc99e Initial load duke parents: diff changeset	434 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load duke parents: diff changeset	435 if (result == NULL) return false;
a61af66fc99e Initial load duke parents: diff changeset	436 if (!result->is_uintx()) return false;
a61af66fc99e Initial load duke parents: diff changeset	437 *value = result->get_uintx();
a61af66fc99e Initial load duke parents: diff changeset	438 return true;
a61af66fc99e Initial load duke parents: diff changeset	439 }
a61af66fc99e Initial load duke parents: diff changeset	440
a61af66fc99e Initial load duke parents: diff changeset	441 bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin) {
a61af66fc99e Initial load duke parents: diff changeset	442 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load duke parents: diff changeset	443 if (result == NULL) return false;
a61af66fc99e Initial load duke parents: diff changeset	444 if (!result->is_uintx()) return false;
a61af66fc99e Initial load duke parents: diff changeset	445 uintx old_value = result->get_uintx();
a61af66fc99e Initial load duke parents: diff changeset	446 result->set_uintx(*value);
a61af66fc99e Initial load duke parents: diff changeset	447 *value = old_value;
a61af66fc99e Initial load duke parents: diff changeset	448 result->origin = origin;
a61af66fc99e Initial load duke parents: diff changeset	449 return true;
a61af66fc99e Initial load duke parents: diff changeset	450 }
a61af66fc99e Initial load duke parents: diff changeset	451
a61af66fc99e Initial load duke parents: diff changeset	452 void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, FlagValueOrigin origin) {
a61af66fc99e Initial load duke parents: diff changeset	453 Flag* faddr = address_of_flag(flag);
a61af66fc99e Initial load duke parents: diff changeset	454 guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type");
a61af66fc99e Initial load duke parents: diff changeset	455 faddr->set_uintx(value);
a61af66fc99e Initial load duke parents: diff changeset	456 faddr->origin = origin;
a61af66fc99e Initial load duke parents: diff changeset	457 }
a61af66fc99e Initial load duke parents: diff changeset	458
1064 473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	459 bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) {
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	460 Flag* result = Flag::find_flag(name, len);
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	461 if (result == NULL) return false;
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	462 if (!result->is_uint64_t()) return false;
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	463 *value = result->get_uint64_t();
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	464 return true;
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	465 }
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	466
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	467 bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin) {
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	468 Flag* result = Flag::find_flag(name, len);
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	469 if (result == NULL) return false;
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	470 if (!result->is_uint64_t()) return false;
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	471 uint64_t old_value = result->get_uint64_t();
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	472 result->set_uint64_t(*value);
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	473 *value = old_value;
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	474 result->origin = origin;
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	475 return true;
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	476 }
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	477
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	478 void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, FlagValueOrigin origin) {
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	479 Flag* faddr = address_of_flag(flag);
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	480 guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type");
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	481 faddr->set_uint64_t(value);
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	482 faddr->origin = origin;
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	483 }
473cce303f13 6887571: Increase default heap config sizes phh parents: 372 diff changeset	484
0 a61af66fc99e Initial load duke parents: diff changeset	485 bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) {
a61af66fc99e Initial load duke parents: diff changeset	486 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load duke parents: diff changeset	487 if (result == NULL) return false;
a61af66fc99e Initial load duke parents: diff changeset	488 if (!result->is_double()) return false;
a61af66fc99e Initial load duke parents: diff changeset	489 *value = result->get_double();
a61af66fc99e Initial load duke parents: diff changeset	490 return true;
a61af66fc99e Initial load duke parents: diff changeset	491 }
a61af66fc99e Initial load duke parents: diff changeset	492
a61af66fc99e Initial load duke parents: diff changeset	493 bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin) {
a61af66fc99e Initial load duke parents: diff changeset	494 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load duke parents: diff changeset	495 if (result == NULL) return false;
a61af66fc99e Initial load duke parents: diff changeset	496 if (!result->is_double()) return false;
a61af66fc99e Initial load duke parents: diff changeset	497 double old_value = result->get_double();
a61af66fc99e Initial load duke parents: diff changeset	498 result->set_double(*value);
a61af66fc99e Initial load duke parents: diff changeset	499 *value = old_value;
a61af66fc99e Initial load duke parents: diff changeset	500 result->origin = origin;
a61af66fc99e Initial load duke parents: diff changeset	501 return true;
a61af66fc99e Initial load duke parents: diff changeset	502 }
a61af66fc99e Initial load duke parents: diff changeset	503
a61af66fc99e Initial load duke parents: diff changeset	504 void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, FlagValueOrigin origin) {
a61af66fc99e Initial load duke parents: diff changeset	505 Flag* faddr = address_of_flag(flag);
a61af66fc99e Initial load duke parents: diff changeset	506 guarantee(faddr != NULL && faddr->is_double(), "wrong flag type");
a61af66fc99e Initial load duke parents: diff changeset	507 faddr->set_double(value);
a61af66fc99e Initial load duke parents: diff changeset	508 faddr->origin = origin;
a61af66fc99e Initial load duke parents: diff changeset	509 }
a61af66fc99e Initial load duke parents: diff changeset	510
a61af66fc99e Initial load duke parents: diff changeset	511 bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) {
a61af66fc99e Initial load duke parents: diff changeset	512 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load duke parents: diff changeset	513 if (result == NULL) return false;
a61af66fc99e Initial load duke parents: diff changeset	514 if (!result->is_ccstr()) return false;
a61af66fc99e Initial load duke parents: diff changeset	515 *value = result->get_ccstr();
a61af66fc99e Initial load duke parents: diff changeset	516 return true;
a61af66fc99e Initial load duke parents: diff changeset	517 }
a61af66fc99e Initial load duke parents: diff changeset	518
a61af66fc99e Initial load duke parents: diff changeset	519 // Contract: Flag will make private copy of the incoming value.
a61af66fc99e Initial load duke parents: diff changeset	520 // Outgoing value is always malloc-ed, and caller MUST call free.
a61af66fc99e Initial load duke parents: diff changeset	521 bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin) {
a61af66fc99e Initial load duke parents: diff changeset	522 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load duke parents: diff changeset	523 if (result == NULL) return false;
a61af66fc99e Initial load duke parents: diff changeset	524 if (!result->is_ccstr()) return false;
a61af66fc99e Initial load duke parents: diff changeset	525 ccstr old_value = result->get_ccstr();
370 885fe0f95828 6744783: HotSpot segfaults if given -XX options with an empty string argument never parents: 196 diff changeset	526 char* new_value = NULL;
885fe0f95828 6744783: HotSpot segfaults if given -XX options with an empty string argument never parents: 196 diff changeset	527 if (*value != NULL) {
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6049 diff changeset	528 new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1, mtInternal);
370 885fe0f95828 6744783: HotSpot segfaults if given -XX options with an empty string argument never parents: 196 diff changeset	529 strcpy(new_value, *value);
885fe0f95828 6744783: HotSpot segfaults if given -XX options with an empty string argument never parents: 196 diff changeset	530 }
0 a61af66fc99e Initial load duke parents: diff changeset	531 result->set_ccstr(new_value);
a61af66fc99e Initial load duke parents: diff changeset	532 if (result->origin == DEFAULT && old_value != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	533 // Prior value is NOT heap allocated, but was a literal constant.
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6049 diff changeset	534 char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1, mtInternal);
0 a61af66fc99e Initial load duke parents: diff changeset	535 strcpy(old_value_to_free, old_value);
a61af66fc99e Initial load duke parents: diff changeset	536 old_value = old_value_to_free;
a61af66fc99e Initial load duke parents: diff changeset	537 }
a61af66fc99e Initial load duke parents: diff changeset	538 *value = old_value;
a61af66fc99e Initial load duke parents: diff changeset	539 result->origin = origin;
a61af66fc99e Initial load duke parents: diff changeset	540 return true;
a61af66fc99e Initial load duke parents: diff changeset	541 }
a61af66fc99e Initial load duke parents: diff changeset	542
a61af66fc99e Initial load duke parents: diff changeset	543 // Contract: Flag will make private copy of the incoming value.
a61af66fc99e Initial load duke parents: diff changeset	544 void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, FlagValueOrigin origin) {
a61af66fc99e Initial load duke parents: diff changeset	545 Flag* faddr = address_of_flag(flag);
a61af66fc99e Initial load duke parents: diff changeset	546 guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type");
a61af66fc99e Initial load duke parents: diff changeset	547 ccstr old_value = faddr->get_ccstr();
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6049 diff changeset	548 char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1, mtInternal);
0 a61af66fc99e Initial load duke parents: diff changeset	549 strcpy(new_value, value);
a61af66fc99e Initial load duke parents: diff changeset	550 faddr->set_ccstr(new_value);
a61af66fc99e Initial load duke parents: diff changeset	551 if (faddr->origin != DEFAULT && old_value != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	552 // Prior value is heap allocated so free it.
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6049 diff changeset	553 FREE_C_HEAP_ARRAY(char, old_value, mtInternal);
0 a61af66fc99e Initial load duke parents: diff changeset	554 }
a61af66fc99e Initial load duke parents: diff changeset	555 faddr->origin = origin;
a61af66fc99e Initial load duke parents: diff changeset	556 }
a61af66fc99e Initial load duke parents: diff changeset	557
a61af66fc99e Initial load duke parents: diff changeset	558 extern "C" {
a61af66fc99e Initial load duke parents: diff changeset	559 static int compare_flags(const void* void_a, const void* void_b) {
a61af66fc99e Initial load duke parents: diff changeset	560 return strcmp((((Flag) void_a))->name, (((Flag**) void_b))->name);
a61af66fc99e Initial load duke parents: diff changeset	561 }
a61af66fc99e Initial load duke parents: diff changeset	562 }
a61af66fc99e Initial load duke parents: diff changeset	563
4773 4f25538b54c9 7120511: Add diagnostic commands fparain parents: 4715 diff changeset	564 void CommandLineFlags::printSetFlags(outputStream* out) {
0 a61af66fc99e Initial load duke parents: diff changeset	565 // Print which flags were set on the command line
a61af66fc99e Initial load duke parents: diff changeset	566 // note: this method is called before the thread structure is in place
a61af66fc99e Initial load duke parents: diff changeset	567 // which means resource allocation cannot be used.
a61af66fc99e Initial load duke parents: diff changeset	568
a61af66fc99e Initial load duke parents: diff changeset	569 // Compute size
a61af66fc99e Initial load duke parents: diff changeset	570 int length= 0;
a61af66fc99e Initial load duke parents: diff changeset	571 while (flagTable[length].name != NULL) length++;
a61af66fc99e Initial load duke parents: diff changeset	572
a61af66fc99e Initial load duke parents: diff changeset	573 // Sort
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6049 diff changeset	574 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal);
0 a61af66fc99e Initial load duke parents: diff changeset	575 for (int index = 0; index < length; index++) {
a61af66fc99e Initial load duke parents: diff changeset	576 array[index] = &flagTable[index];
a61af66fc99e Initial load duke parents: diff changeset	577 }
a61af66fc99e Initial load duke parents: diff changeset	578 qsort(array, length, sizeof(Flag*), compare_flags);
a61af66fc99e Initial load duke parents: diff changeset	579
a61af66fc99e Initial load duke parents: diff changeset	580 // Print
a61af66fc99e Initial load duke parents: diff changeset	581 for (int i = 0; i < length; i++) {
a61af66fc99e Initial load duke parents: diff changeset	582 if (array[i]->origin /* naked field! */) {
4773 4f25538b54c9 7120511: Add diagnostic commands fparain parents: 4715 diff changeset	583 array[i]->print_as_flag(out);
4f25538b54c9 7120511: Add diagnostic commands fparain parents: 4715 diff changeset	584 out->print(" ");
0 a61af66fc99e Initial load duke parents: diff changeset	585 }
a61af66fc99e Initial load duke parents: diff changeset	586 }
4773 4f25538b54c9 7120511: Add diagnostic commands fparain parents: 4715 diff changeset	587 out->cr();
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6049 diff changeset	588 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal);
0 a61af66fc99e Initial load duke parents: diff changeset	589 }
a61af66fc99e Initial load duke parents: diff changeset	590
a61af66fc99e Initial load duke parents: diff changeset	591 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	592
a61af66fc99e Initial load duke parents: diff changeset	593
a61af66fc99e Initial load duke parents: diff changeset	594 void CommandLineFlags::verify() {
a61af66fc99e Initial load duke parents: diff changeset	595 assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict");
a61af66fc99e Initial load duke parents: diff changeset	596 }
a61af66fc99e Initial load duke parents: diff changeset	597
1150 f62a22282a47 6914622: Print values of all flags for product VM kvn parents: 1080 diff changeset	598 #endif // PRODUCT
f62a22282a47 6914622: Print values of all flags for product VM kvn parents: 1080 diff changeset	599
4773 4f25538b54c9 7120511: Add diagnostic commands fparain parents: 4715 diff changeset	600 void CommandLineFlags::printFlags(outputStream* out, bool withComments) {
0 a61af66fc99e Initial load duke parents: diff changeset	601 // Print the flags sorted by name
a61af66fc99e Initial load duke parents: diff changeset	602 // note: this method is called before the thread structure is in place
a61af66fc99e Initial load duke parents: diff changeset	603 // which means resource allocation cannot be used.
a61af66fc99e Initial load duke parents: diff changeset	604
a61af66fc99e Initial load duke parents: diff changeset	605 // Compute size
a61af66fc99e Initial load duke parents: diff changeset	606 int length= 0;
a61af66fc99e Initial load duke parents: diff changeset	607 while (flagTable[length].name != NULL) length++;
a61af66fc99e Initial load duke parents: diff changeset	608
a61af66fc99e Initial load duke parents: diff changeset	609 // Sort
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6049 diff changeset	610 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal);
0 a61af66fc99e Initial load duke parents: diff changeset	611 for (int index = 0; index < length; index++) {
a61af66fc99e Initial load duke parents: diff changeset	612 array[index] = &flagTable[index];
a61af66fc99e Initial load duke parents: diff changeset	613 }
a61af66fc99e Initial load duke parents: diff changeset	614 qsort(array, length, sizeof(Flag*), compare_flags);
a61af66fc99e Initial load duke parents: diff changeset	615
a61af66fc99e Initial load duke parents: diff changeset	616 // Print
4773 4f25538b54c9 7120511: Add diagnostic commands fparain parents: 4715 diff changeset	617 out->print_cr("[Global flags]");
0 a61af66fc99e Initial load duke parents: diff changeset	618 for (int i = 0; i < length; i++) {
a61af66fc99e Initial load duke parents: diff changeset	619 if (array[i]->is_unlocked()) {
4773 4f25538b54c9 7120511: Add diagnostic commands fparain parents: 4715 diff changeset	620 array[i]->print_on(out, withComments);
0 a61af66fc99e Initial load duke parents: diff changeset	621 }
a61af66fc99e Initial load duke parents: diff changeset	622 }
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6049 diff changeset	623 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal);
0 a61af66fc99e Initial load duke parents: diff changeset	624 }

Mercurial > hg > truffle

annotate src/share/vm/runtime/globals.cpp @ 12144:d8e99408faad