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shrinit.cpp
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/*******************************************************************************
* Copyright IBM Corp. and others 2001
*
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which accompanies this
* distribution and is available at https://www.eclipse.org/legal/epl-2.0/
* or the Apache License, Version 2.0 which accompanies this distribution and
* is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* This Source Code may also be made available under the following
* Secondary Licenses when the conditions for such availability set
* forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
* General Public License, version 2 with the GNU Classpath
* Exception [1] and GNU General Public License, version 2 with the
* OpenJDK Assembly Exception [2].
*
* [1] https://www.gnu.org/software/classpath/license.html
* [2] https://openjdk.org/legal/assembly-exception.html
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0 OR GPL-2.0-only WITH OpenJDK-assembly-exception-1.0
*******************************************************************************/
/**
* @file
* @ingroup Shared_Common
*/
/* Notes on string usage:
* This details what strings are allocated where and which are null-terminated.
* String data can either come in from JNI in the jcl helpers (shared.c) or from the bootstrap loader.
* Strings we care about are:
* - Class name
* In the helper API, UTF bytes/length are obtained from the JNI calls. These are only required for the duration of the find/store call so are not copied.
* Class names from the bootstrap loader are also UTF bytes/length.
* Class name is passed to shrinit, where it is copied into a temporary stack buffer, "fixed up" and null-terminated.
* Class names are not written into the cache. Instead the UTF8 name in the ROMClass itself is used.
* - URL/Token/Classpath strings
* In the helper API, getPath() is called on URLs and tokens are strings to begin with. UTF bytes/length are obtained for each.
* These are then copied and null-terminated because J9ClassPathEntrys are only created/allocated once, so they (and their strings) are kept for the lifetime of the JVM.
* The copied strings are copied into a single buffer (sharedClassConfig->jclStringFarm) which is freed on shutdown.
* The classpath strings from the bootstrap loader are not copied. It is assumed that these are not going to change or disappear.
* ClasspathItems created in shrinit use the same strings from the J9ClassPathEntries as we know these are already safe.
* When a ClasspathItem is serialized into the cache, its strings are no-longer null-terminated and the length is returned with the getPath(...) calls (see ClasspathItem.cpp).
* - Partition strings
* These are treated the same way as the URL/Token/Classpath strings, except that partitions can only ever come in from the jcl helpers.
* - Local hashtable keys
* Local hashtable keys are references to strings in the cache. These are not null-terminated.
* - Cache name and modification context
* These are written into the same lump of memory as the sharedClassConfig
*/
extern "C" {
#include "j9user.h"
#include "j9.h"
#include "j9protos.h"
#include "j9consts.h"
#include "jvminit.h"
#include "j9port.h"
#include "shrinit.h"
#include "verbose_api.h"
#include "ut_j9shr.h"
#include "j9shrnls.h"
#include "j9exelibnls.h"
#include "j2sever.h"
#include "zip_api.h"
#include "vmzipcachehook.h"
#include "shcdatautils.h"
#include "simplepool_api.h"
#include "SCStringInternHelpers.h"
#include <string.h>
#include "SCQueryFunctions.h"
#include "util_api.h"
}
#include "hookhelpers.hpp"
#include "CacheLifecycleManager.hpp"
#include "CacheMap.hpp"
#include "OSCacheFile.hpp"
#include "SCImplementedAPI.hpp"
#include "UnitTest.hpp"
#include "OMR/Bytes.hpp"
#define SHRINIT_NAMEBUF_SIZE 256
#define SHRINIT_LOW_FREE_DISK_SIZE ((U_64)6 * 1024 * 1024 * 1024)
#define SHARED_STRING_POOL_KEY "j9stringpuddle"
#define SHARED_STRING_POOL_KEY_LENGTH 14
#define SHARED_STRING_PUDDLE_KEY_LENGTH 19 /* pool key + 5 */
#define SHR_MODULE_UPGRADE_PATH_SYS_PROP SYSPROP_JDK_MODULE_UPGRADE_PATH
#define SHRINIT_CREATE_NEW_LAYER (-2)
#define SHRINIT_TRACE(verbose, var) if (verbose) j9nls_printf(PORTLIB, J9NLS_INFO, var)
#define SHRINIT_TRACE1(verbose, var, p1) if (verbose) j9nls_printf(PORTLIB, J9NLS_INFO, var, p1)
#define SHRINIT_TRACE2(verbose, var, p1, p2) if (verbose) j9nls_printf(PORTLIB, J9NLS_INFO, var, p1, p2)
#define SHRINIT_TRACE3(verbose, var, p1, p2, p3) if (verbose) j9nls_printf(PORTLIB, J9NLS_INFO, var, p1, p2, p3)
#define SHRINIT_TRACE_NOTAG(verbose, var) if (verbose) j9nls_printf(PORTLIB, J9NLS_DO_NOT_PRINT_MESSAGE_TAG, var)
#define SHRINIT_TRACE1_NOTAG(verbose, var, p1) if (verbose) j9nls_printf(PORTLIB, J9NLS_DO_NOT_PRINT_MESSAGE_TAG, var, p1)
#define SHRINIT_TRACE2_NOTAG(verbose, var, p1, p2) if (verbose) j9nls_printf(PORTLIB, J9NLS_DO_NOT_PRINT_MESSAGE_TAG, var, p1, p2)
#define SHRINIT_TRACE3_NOTAG(verbose, var, p1, p2, p3) if (verbose) j9nls_printf(PORTLIB, J9NLS_DO_NOT_PRINT_MESSAGE_TAG, var, p1, p2, p3)
#define SHRINIT_TRACE4_NOTAG(verbose, var, p1, p2, p3, p4) if (verbose) j9nls_printf(PORTLIB, J9NLS_DO_NOT_PRINT_MESSAGE_TAG, var, p1, p2, p3, p4)
#define SHRINIT_INFO_TRACE(verbose, var) if (verbose) j9nls_printf(PORTLIB, J9NLS_INFO, var)
#define SHRINIT_ERR_TRACE(verbose, var) if (verbose) j9nls_printf(PORTLIB, J9NLS_ERROR, var)
#define SHRINIT_ERR_TRACE1(verbose, var, p1) if (verbose) j9nls_printf(PORTLIB, J9NLS_ERROR, var, p1)
#define SHRINIT_ERR_TRACE2(verbose, var, p1, p2) if (verbose) j9nls_printf(PORTLIB, J9NLS_ERROR, var, p1, p2)
#define SHRINIT_ERR_TRACE3(verbose, var, p1, p2, p3) if (verbose) j9nls_printf(PORTLIB, J9NLS_ERROR, var, p1, p2, p3)
#define SHRINIT_WARNING_TRACE(verbose, var) if (verbose) j9nls_printf(PORTLIB, J9NLS_WARNING, var)
#define SHRINIT_WARNING_TRACE1(verbose, var, p1) if (verbose) j9nls_printf(PORTLIB, J9NLS_WARNING, var, p1)
#define SHRINIT_WARNING_TRACE2(verbose, var, p1, p2) if (verbose) j9nls_printf(PORTLIB, J9NLS_WARNING, var, p1, p2)
#define SHRINIT_WARNING_TRACE3(verbose, var, p1, p2, p3) if (verbose) j9nls_printf(PORTLIB, J9NLS_WARNING, var, p1, p2, p3)
#define SHRINIT_WARNING_TRACE4(verbose, var, p1, p2, p3, p4) if (verbose) j9nls_printf(PORTLIB, J9NLS_WARNING, var, p1, p2, p3, p4)
#define PERF_TRACE_EVERY_N_FINDS 100
#define SHRINIT_ASCII_OF_POUND_SYMBOL 0xa3 /* ASCII value of pound symbol */
#if defined(J9VM_OPT_INVARIANT_INTERNING)
#define SHR_TABLE_VERIFY_ASSERT(table, condition) \
do { \
if (!condition) { \
if (table != NULL) { \
table->flags = (table->flags & (~J9AVLTREE_DO_VERIFY_TREE_STRUCT_AND_ACCESS)); \
} \
Trc_SHR_Assert_TrueTreeVerify(condition); \
} \
} while(0)
#define SHR_ENTER_TABLE_VERIFICATION(table) \
do { \
if ((table != NULL) && (table->flags & J9AVLTREE_DO_VERIFY_TREE_STRUCT_AND_ACCESS) == J9AVLTREE_DO_VERIFY_TREE_STRUCT_AND_ACCESS) { \
omrthread_monitor_t tablemonitor = table->tableInternFxMutex; \
J9ThreadAbstractMonitor * abstablemonitor = (J9ThreadAbstractMonitor *) tablemonitor; \
IDATA enterTableMonitorRC = -1; \
SHR_TABLE_VERIFY_ASSERT(table, ((abstablemonitor->owner == NULL) || (omrthread_monitor_owned_by_self(tablemonitor) == 1))); \
enterTableMonitorRC = omrthread_monitor_enter(tablemonitor); \
if (enterTableMonitorRC != 0) { \
SHR_TABLE_VERIFY_ASSERT(table, (enterTableMonitorRC == 0)); \
} \
} \
} while(0)
#define SHR_EXIT_TABLE_VERIFICATION(table) \
do { \
if ((table != NULL) && (table->flags & J9AVLTREE_DO_VERIFY_TREE_STRUCT_AND_ACCESS) == J9AVLTREE_DO_VERIFY_TREE_STRUCT_AND_ACCESS) { \
omrthread_monitor_t tablemonitor = table->tableInternFxMutex; \
IDATA exitTableMonitorRC = omrthread_monitor_exit(tablemonitor); \
if (exitTableMonitorRC != 0) { \
SHR_TABLE_VERIFY_ASSERT(table, (exitTableMonitorRC == 0)); \
} \
} \
} while(0)
#else
#define SHR_TABLE_VERIFY_ASSERT(table, condition)
#define SHR_ENTER_TABLE_VERIFICATION(table)
#define SHR_EXIT_TABLE_VERIFICATION(table)
#endif
#define ROUND_TO_SIZEOF_UDATA(number) (((number) + (sizeof(UDATA) - 1)) & (~(sizeof(UDATA) - 1)))
J9SharedClassesHelpText J9SHAREDCLASSESHELPTEXT[] = {
{OPTION_HELP, J9NLS_SHRC_SHRINIT_HELPTEXT_HELP, 0, 0},
#if defined(WIN32) || defined(WIN64)
{HELPTEXT_NAMEEQUALS_OPTION, J9NLS_SHRC_SHRINIT_HELPTEXT_NAMEEQUALS_WIN, 0, 0},
#else
{HELPTEXT_NAMEEQUALS_OPTION, J9NLS_SHRC_SHRINIT_HELPTEXT_NAMEEQUALS2, 0, 0},
{OPTION_GROUP_ACCESS, J9NLS_SHRC_SHRINIT_HELPTEXT_GROUPACCESS, 0, 0},
#endif
{HELPTEXT_CACHEDIR_OPTION, J9NLS_SHRC_SHRINIT_HELPTEXT_CACHEDIR, 0, 0},
#if !defined(WIN32) && !defined(WIN64)
{HELPTEXT_CACHEDIRPERM_OPTION, J9NLS_SHRC_SHRINIT_HELPTEXT_CACHEDIRPERM, 0, 0},
HELPTEXT_NEWLINE,
{OPTION_SNAPSHOTCACHE, J9NLS_SHRC_SHRINIT_HELPTEXT_SNAPSHOTCACHE, 0, 0},
{OPTION_RESTORE_FROM_SNAPSHOT, J9NLS_SHRC_SHRINIT_HELPTEXT_RESTORECACHE, 0, 0},
{OPTION_DESTROYSNAPSHOT, J9NLS_SHRC_SHRINIT_HELPTEXT_DESTROYSNAPSHOT, 0, 0},
{OPTION_DESTROYALLSNAPSHOTS, J9NLS_SHRC_SHRINIT_HELPTEXT_DESTROYALLSNAPSHOTS, 0, 0},
{OPTION_PRINT_SNAPSHOTNAME, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_PRINT_SNAPSHOT_FILENAME},
HELPTEXT_NEWLINE,
#endif
{OPTION_READONLY, J9NLS_SHRC_SHRINIT_HELPTEXT_READONLY, 0, 0},
{OPTION_NONPERSISTENT, J9NLS_SHRC_SHRINIT_HELPTEXT_NONPERSISTENT, 0, 0},
HELPTEXT_NEWLINE,
{OPTION_DESTROY, J9NLS_SHRC_SHRINIT_HELPTEXT_DESTROY, 0, 0},
{OPTION_DESTROYALL, J9NLS_SHRC_SHRINIT_HELPTEXT_DESTROYALL, 0, 0},
{OPTION_DESTROYALLLAYERS, J9NLS_SHRC_SHRINIT_HELPTEXT_DESTROYALLLAYERS, 0, 0},
HELPTEXT_NEWLINE,
{OPTION_RESET, J9NLS_SHRC_SHRINIT_HELPTEXT_RESET, 0, 0},
{HELPTEXT_EXPIRE_OPTION, J9NLS_SHRC_SHRINIT_HELPTEXT_EXPIRE, 0, 0},
HELPTEXT_NEWLINE,
#if defined(J9ZOS390)
{HELPTEXT_STORAGE_KEY_EQUALS, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_STORAGE_KEY},
HELPTEXT_NEWLINE,
#endif
{OPTION_LISTALLCACHES, J9NLS_SHRC_SHRINIT_HELPTEXT_LISTALLCACHES, 0, 0},
{HELPTEXT_PRINTSTATS_OPTION, J9NLS_SHRC_SHRINIT_HELPTEXT_PRINTSTATS_2, 0, 0},
#if defined(J9VM_OPT_MULTI_LAYER_SHARED_CLASS_CACHE)
{HELPTEXT_OPTION_PRINT_TOP_LAYER_STATS, J9NLS_SHRC_SHRINIT_HELPTEXT_PRINT_TOP_LAYER_STATS, 0, 0},
#endif /* J9VM_OPT_MULTI_LAYER_SHARED_CLASS_CACHE */
{OPTION_PRINTDETAILS, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_PRINTDETAILS},
{OPTION_PRINTALLSTATS, J9NLS_SHRC_SHRINIT_HELPTEXT_PRINTALLSTATS, 0, 0},
{OPTION_PRINTORPHANSTATS, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_PRINTORPHANSTATS},
HELPTEXT_NEWLINE,
{OPTION_VERBOSE, J9NLS_SHRC_SHRINIT_HELPTEXT_VERBOSE, 0, 0},
{OPTION_VERBOSE_IO, J9NLS_SHRC_SHRINIT_HELPTEXT_VERBOSE_IO, 0, 0},
{OPTION_VERBOSE_HELPER, J9NLS_SHRC_SHRINIT_HELPTEXT_VERBOSE_HELPER, 0, 0},
{OPTION_VERBOSE_AOT, J9NLS_SHRC_SHRINIT_HELPTEXT_VERBOSE_AOT, 0, 0},
{OPTION_VERBOSE_JITDATA, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_VERBOSE_JITDATA},
/* Note that this is private for now */
{OPTION_VERBOSE_DATA, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_VERBOSE_DATA},
{OPTION_VERBOSE_INTERN, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_VERBOSE_INTERN},
{OPTION_VERBOSE_PAGES, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_VERBOSE_PAGES},
HELPTEXT_NEWLINE,
{OPTION_SILENT, J9NLS_SHRC_SHRINIT_HELPTEXT_SILENT, 0, 0},
{OPTION_NONFATAL, J9NLS_SHRC_SHRINIT_HELPTEXT_NONFATAL, 0, 0},
{OPTION_FATAL, J9NLS_SHRC_SHRINIT_HELPTEXT_FATAL, 0, 0},
{OPTION_NONE, J9NLS_SHRC_SHRINIT_HELPTEXT_NONE2, 0, 0},
{OPTION_UTILITIES, J9NLS_SHRC_SHRINIT_HELPTEXT_UTILITIES, 0, 0},
HELPTEXT_NEWLINE,
{HELPTEXT_MODIFIEDEQUALS_OPTION, J9NLS_SHRC_SHRINIT_HELPTEXT_MODIFIEDEQUALS, 0, 0},
HELPTEXT_NEWLINE,
#if defined(AIXPPC)
{OPTION_PERSISTENT, J9NLS_SHRC_SHRINIT_HELPTEXT_PERSISTENT, 0, 0},
#endif
{OPTION_NOAOT, J9NLS_SHRC_SHRINIT_HELPTEXT_NOAOT, 0, 0},
{OPTION_NO_JITDATA, J9NLS_SHRC_SHRINIT_HELPTEXT_NOJITDATA, 0, 0},
{HELPTEXT_MPROTECTEQUALS_PUBLIC_OPTION, J9NLS_SHRC_SHRINIT_HELPTEXT_MPROTECT_EQUALS, 0, 0},
#if !defined(J9ZOS390) && !defined(AIXPPC)
{HELPTEXT_MPROTECTEQUALS_NO_RW_PRIVATE_OPTION, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_MPROTECT_NO_RW},
#endif
#if defined(J9ZOS390) || defined(AIXPPC)
{HELPTEXT_MPROTECTEQUALS_PARTIAL_PAGES_PRIVATE_OPTION, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_MPROTECT_PARTIAL_PAGES},
{HELPTEXT_MPROTECTEQUALS_PARTIAL_PAGES_ON_STARTUP_PRIVATE_OPTION, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_MPROTECT_PARTIAL_PAGES_ON_STARTUP},
#endif
{OPTION_CACHERETRANSFORMED, J9NLS_SHRC_SHRINIT_HELPTEXT_CACHERETRANSFORMED, 0, 0},
{OPTION_NOBOOTCLASSPATH, J9NLS_SHRC_SHRINIT_HELPTEXT_NOBOOTCLASSPATH_V1, 0, 0},
{OPTION_BOOTCLASSESONLY, J9NLS_SHRC_SHRINIT_HELPTEXT_BOOTCLASSESONLY, 0, 0},
{OPTION_ENABLE_BCI, J9NLS_SHRC_SHRINIT_HELPTEXT_ENABLE_BCI, 0, 0},
{OPTION_DISABLE_BCI, J9NLS_SHRC_SHRINIT_HELPTEXT_DISABLE_BCI, 0, 0},
{OPTION_RESTRICT_CLASSPATHS, J9NLS_SHRC_SHRINIT_HELPTEXT_RESTRICT_CLASSPATHS, 0, 0},
{OPTION_ALLOW_CLASSPATHS, J9NLS_SHRC_SHRINIT_HELPTEXT_ALLOW_CLASSPATHS, 0, 0},
{OPTION_NO_PERSISTENT_DISK_SPACE_CHECK, J9NLS_SHRC_SHRINIT_HELPTEXT_NO_PERSISTENT_DISK_SPACE_CHECK, 0, 0},
HELPTEXT_NEWLINE,
{HELPTEXT_INVALIDATE_AOT_METHODS_OPTION, J9NLS_SHRC_SHRINIT_HELPTEXT_INVALIDATE_AOT_METHODS, 0, 0},
{HELPTEXT_REVALIDATE_AOT_METHODS_OPTION, J9NLS_SHRC_SHRINIT_HELPTEXT_REVALIDATE_AOT_METHODS, 0, 0},
{HELPTEXT_FIND_AOT_METHODS_OPTION, J9NLS_SHRC_SHRINIT_HELPTEXT_FIND_AOT_METHODS, 0, 0},
HELPTEXT_NEWLINE,
{HELPTEXT_ADJUST_SOFTMX_EQUALS, J9NLS_SHRC_SHRINIT_HELPTEXT_ADJUST_SOFTMX_EQUALS, 0, 0},
{HELPTEXT_ADJUST_MINAOT_EQUALS, J9NLS_SHRC_SHRINIT_HELPTEXT_ADJUST_MINAOT_EQUALS, 0, 0},
{HELPTEXT_ADJUST_MAXAOT_EQUALS, J9NLS_SHRC_SHRINIT_HELPTEXT_ADJUST_MAXAOT_EQUALS, 0, 0},
{HELPTEXT_ADJUST_MINJITDATA_EQUALS, J9NLS_SHRC_SHRINIT_HELPTEXT_ADJUST_MINJIT_EQUALS, 0, 0},
{HELPTEXT_ADJUST_MAXJITDATA_EQUALS, J9NLS_SHRC_SHRINIT_HELPTEXT_ADJUST_MAXJIT_EQUALS, 0, 0},
{HELPTEXT_OPTION_EXTRA_STARTUPHINTS_EQUALS, J9NLS_SHRC_SHRINIT_HELPTEXT_EXTRA_STARTUPHINTS_EQUALS, 0, 0},
#if defined(J9VM_OPT_MULTI_LAYER_SHARED_CLASS_CACHE)
HELPTEXT_NEWLINE,
{HELPTEXT_LAYER_EQUALS,J9NLS_SHRC_SHRINIT_HELPTEXT_LAYER_EQUALS, 0, 0},
{OPTION_CREATE_LAYER, J9NLS_SHRC_SHRINIT_HELPTEXT_CREATE_LAYER, 0, 0},
#endif /* J9VM_OPT_MULTI_LAYER_SHARED_CLASS_CACHE */
{OPTION_NO_TIMESTAMP_CHECKS, J9NLS_SHRC_SHRINIT_HELPTEXT_NO_TIMESTAMP_CHECKS_V1, 0, 0},
{OPTION_NO_URL_TIMESTAMP_CHECK, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_NO_URL_TIMESTAMP_CHECK},
{OPTION_URL_TIMESTAMP_CHECK, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_URL_TIMESTAMP_CHECK},
{OPTION_NO_CLASSPATH_CACHEING, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_NO_CLASSPATH_CACHEING},
{OPTION_NO_REDUCE_STORE_CONTENTION, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_NO_REDUCE_STORE_CONTENTION},
{OPTION_NO_ROUND_PAGES, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_NO_ROUND_PAGES},
{OPTION_NO_AUTOPUNT, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_NO_AUTOPUNT},
{OPTION_NO_DETECT_NETWORK_CACHE, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_NO_DETECT_NETWORK_CACHE},
{OPTION_NO_SEMAPHORE_CHECK, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_NO_SEMAPHORE_CHECK},
#if defined(AIXPPC)
{OPTION_NO_COREMMAP, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_NO_COREMMAP},
#endif
HELPTEXT_NEWLINE,
{OPTION_CHECK_STRING_TABLE, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_CHECK_STRING_TABLE},
{OPTION_TEST_BAD_BUILDID, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_TEST_BAD_BUILDID},
{OPTION_PRINT_CACHENAME, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_PRINT_CACHE_FILENAME},
{OPTION_FORCE_DUMP_IF_CORRUPT, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_FORCE_DUMP_IF_CORRUPT},
{OPTION_FAKE_CORRUPTION, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_FAKE_CORRUPTION},
{OPTION_DO_EXTRA_AREA_CHECKS, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_DO_EXTRA_AREA_CHECKS},
{OPTION_CREATE_OLD_GEN, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_CREATE_OLD_GEN},
{OPTION_DISABLE_CORRUPT_CACHE_DUMPS, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_DISABLE_CORRUPT_CACHE_DUMPS},
{OPTION_CHECK_STRINGTABLE_RESET, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_CHECK_STRINGTABLE_RESET},
{OPTION_ADDTESTJITHINT, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_ADD_JIT_HINTS},
#if defined(J9ZOS39064)
{OPTION_MAP31, 0, 0, J9NLS_SHRC_SHRINIT_HELPTEXT_MAP31},
#endif /* defined(J9ZOS39064) */
{NULL, 0, 0, 0, 0}
};
J9SharedClassesOptions J9SHAREDCLASSESOPTIONS[] = {
{ OPTION_MORE_HELP, PARSE_TYPE_EXACT, RESULT_DO_MORE_HELP, 0},
{ OPTION_HELP, PARSE_TYPE_EXACT, RESULT_DO_HELP, 0},
{ OPTION_NAME_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_NAME_EQUALS, 0},
{ OPTION_DESTROY, PARSE_TYPE_EXACT, RESULT_DO_DESTROY, 0},
{ OPTION_DESTROYALL, PARSE_TYPE_EXACT, RESULT_DO_DESTROYALL, 0},
{ OPTION_DESTROYALLLAYERS, PARSE_TYPE_EXACT, RESULT_DO_DESTROYALLLAYERS, 0},
{ OPTION_EXPIRE_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_EXPIRE, 0},
{ OPTION_LISTALLCACHES, PARSE_TYPE_EXACT, RESULT_DO_LISTALLCACHES, 0},
{ OPTION_PRINTSTATS, PARSE_TYPE_EXACT, RESULT_DO_PRINTSTATS, 0},
{ OPTION_PRINTSTATS_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_PRINTSTATS_EQUALS, 0},
#if defined(J9VM_OPT_MULTI_LAYER_SHARED_CLASS_CACHE)
{ OPTION_PRINT_TOP_LAYER_STATS, PARSE_TYPE_EXACT, RESULT_DO_PRINT_TOP_LAYER_STATS, 0},
{ OPTION_PRINT_TOP_LAYER_STATS_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_PRINT_TOP_LAYER_STATS_EQUALS, 0},
#endif /* J9VM_OPT_MULTI_LAYER_SHARED_CLASS_CACHE */
{ OPTION_PRINTDETAILS, PARSE_TYPE_EXACT, RESULT_DO_PRINTDETAILS, J9SHR_RUNTIMEFLAG_ENABLE_DETAILED_STATS},
{ OPTION_PRINTALLSTATS, PARSE_TYPE_EXACT, RESULT_DO_PRINTALLSTATS, 0},
{ OPTION_PRINTALLSTATS_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_PRINTALLSTATS_EQUALS, 0},
{ OPTION_NO_TIMESTAMP_CHECKS, PARSE_TYPE_EXACT, RESULT_DO_REMOVE_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_TIMESTAMP_CHECKS},
{ OPTION_NO_CLASSPATH_CACHEING, PARSE_TYPE_EXACT, RESULT_DO_REMOVE_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_LOCAL_CACHEING},
{ OPTION_NO_REDUCE_STORE_CONTENTION, PARSE_TYPE_EXACT, RESULT_DO_REMOVE_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_REDUCE_STORE_CONTENTION},
{ OPTION_VERBOSE, PARSE_TYPE_EXACT, RESULT_DO_ADD_VERBOSEFLAG, J9SHR_VERBOSEFLAG_ENABLE_VERBOSE},
{ OPTION_VERBOSE_IO, PARSE_TYPE_EXACT, RESULT_DO_ADD_VERBOSEFLAG, J9SHR_VERBOSEFLAG_ENABLE_VERBOSE_IO},
{ OPTION_VERBOSE_HELPER, PARSE_TYPE_EXACT, RESULT_DO_ADD_VERBOSEFLAG, J9SHR_VERBOSEFLAG_ENABLE_VERBOSE_HELPER},
{ OPTION_VERBOSE_AOT, PARSE_TYPE_EXACT, RESULT_DO_ADD_VERBOSEFLAG, J9SHR_VERBOSEFLAG_ENABLE_VERBOSE_AOT},
{ OPTION_VERBOSE_JITDATA, PARSE_TYPE_EXACT, RESULT_DO_ADD_VERBOSEFLAG, J9SHR_VERBOSEFLAG_ENABLE_VERBOSE_JITDATA},
{ OPTION_MODIFIED_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_MODIFIED_EQUALS, 0},
{ OPTION_NO_BYTECODEFIX, PARSE_TYPE_EXACT, RESULT_DO_REMOVE_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_BYTECODEFIX},
{ OPTION_TRACECOUNT, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_TRACECOUNT},
{ OPTION_GROUP_ACCESS, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_GROUP_ACCESS},
{ OPTION_PRINTORPHANSTATS, PARSE_TYPE_EXACT, RESULT_DO_PRINTORPHANSTATS, 0},
{ OPTION_SILENT, PARSE_TYPE_EXACT, RESULT_DO_SET_VERBOSEFLAG, 0},
{ OPTION_NONFATAL, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_NONFATAL},
{ OPTION_FATAL, PARSE_TYPE_EXACT, RESULT_DO_REMOVE_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_NONFATAL},
{ OPTION_CONTROLDIR_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_CTRLD_EQUALS, 0},
{ OPTION_NOAOT, PARSE_TYPE_EXACT, RESULT_DO_REMOVE_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_AOT},
{ OPTION_NO_JITDATA, PARSE_TYPE_EXACT, RESULT_DO_REMOVE_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_JITDATA},
{ OPTION_VERBOSE_INTERN, PARSE_TYPE_EXACT, RESULT_DO_ADD_VERBOSEFLAG, J9SHR_VERBOSEFLAG_ENABLE_VERBOSE_INTERN},
{ OPTION_VERBOSE_PAGES, PARSE_TYPE_EXACT, RESULT_DO_ADD_VERBOSEFLAG, J9SHR_VERBOSEFLAG_ENABLE_VERBOSE_PAGES},
{ OPTION_NO_ROUND_PAGES, PARSE_TYPE_EXACT, RESULT_DO_REMOVE_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_ROUND_TO_PAGE_SIZE},
{ OPTION_MPROTECT_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_MPROTECT_EQUALS, 0},
{ OPTION_CACHERETRANSFORMED, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_CACHERETRANSFORMED},
{ OPTION_NOBOOTCLASSPATH, PARSE_TYPE_EXACT, RESULT_DO_REMOVE_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_CACHEBOOTCLASSES},
{ OPTION_BOOTCLASSESONLY, PARSE_TYPE_EXACT, RESULT_DO_BOOTCLASSESONLY, J9SHR_RUNTIMEFLAG_ENABLE_CACHE_NON_BOOT_CLASSES},
{ OPTION_VERBOSE_DATA, PARSE_TYPE_EXACT, RESULT_DO_ADD_VERBOSEFLAG, J9SHR_VERBOSEFLAG_ENABLE_VERBOSE_DATA},
{ OPTION_SINGLEJVM, PARSE_TYPE_EXACT, RESULT_DO_NOTHING, 0},
{ OPTION_KEEP, PARSE_TYPE_EXACT, RESULT_DO_NOTHING, 0},
{ OPTION_NO_COREMMAP, PARSE_TYPE_EXACT, RESULT_NO_COREMMAP_SET, 0}, /* Only valid on AIX, but will be ignored on other platforms */
{ OPTION_CACHEDIR_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_CACHEDIR_EQUALS, 0},
{ OPTION_RESET, PARSE_TYPE_EXACT, RESULT_DO_RESET, 0},
{ OPTION_READONLY, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_READONLY},
{ OPTION_PERSISTENT, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_PERSISTENT_CACHE | J9SHR_RUNTIMEFLAG_PERSISTENT_KEYWORD},
{ OPTION_NONPERSISTENT, PARSE_TYPE_EXACT, RESULT_DO_REMOVE_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_PERSISTENT_CACHE},
{ OPTION_NO_AUTOPUNT, PARSE_TYPE_EXACT, RESULT_DO_REMOVE_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_AUTOKILL_DIFF_BUILDID},
{ OPTION_NO_DETECT_NETWORK_CACHE, PARSE_TYPE_EXACT, RESULT_DO_REMOVE_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_DETECT_NETWORK_CACHE},
#if !defined(WIN32)
{ OPTION_SNAPSHOTCACHE, PARSE_TYPE_EXACT, RESULT_DO_SNAPSHOTCACHE, J9SHR_RUNTIMEFLAG_SNAPSHOT},
{ OPTION_DESTROYSNAPSHOT, PARSE_TYPE_EXACT, RESULT_DO_DESTROYSNAPSHOT, 0},
{ OPTION_DESTROYALLSNAPSHOTS, PARSE_TYPE_EXACT, RESULT_DO_DESTROYALLSNAPSHOTS, 0},
{ OPTION_RESTORE_FROM_SNAPSHOT, PARSE_TYPE_EXACT, RESULT_DO_RESTORE_FROM_SNAPSHOT, J9SHR_RUNTIMEFLAG_RESTORE},
{ OPTION_PRINT_SNAPSHOTNAME, PARSE_TYPE_EXACT, RESULT_DO_PRINT_SNAPSHOTNAME, 0},
#endif /* !defined(WIN32) */
{ OPTION_UTILITIES, PARSE_TYPE_EXACT, RESULT_DO_UTILITIES, 0},
{ OPTION_PRINT_CACHENAME, PARSE_TYPE_EXACT, RESULT_DO_PRINT_CACHENAME, 0},
{ OPTION_NO_SEMAPHORE_CHECK, PARSE_TYPE_EXACT, RESULT_DO_REMOVE_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_SEMAPHORE_CHECK},
{ OPTION_VERIFY_TREE, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_VERIFY_TREE_AND_TREE_ACCESS },
{ OPTION_CHECK_STRING_TABLE, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_STRING_TABLE_CHECK},
{ OPTION_TEST_BAD_BUILDID, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_TEST_BAD_BUILDID},
{ OPTION_FORCE_DUMP_IF_CORRUPT, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_FORCE_DUMP_IF_CORRUPT},
{ OPTION_FAKE_CORRUPTION, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_FAKE_CORRUPTION},
{ OPTION_DO_EXTRA_AREA_CHECKS, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_DBG_EXTRA_CHECKS},
{ OPTION_CREATE_OLD_GEN, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_CREATE_OLD_GEN},
{ OPTION_DISABLE_CORRUPT_CACHE_DUMPS, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_DISABLE_CORRUPT_CACHE_DUMPS},
{ OPTION_CACHEDIRPERM_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_CACHEDIRPERM_EQUALS, 0},
{ OPTION_CHECK_STRINGTABLE_RESET, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_CHECK_STRINGTABLE_RESET_READONLY | J9SHR_RUNTIMEFLAG_CHECK_STRINGTABLE_RESET_READWRITE},
{ OPTION_ENABLE_BCI, PARSE_TYPE_EXACT, RESULT_DO_ENABLE_BCI, J9SHR_RUNTIMEFLAG_ENABLE_BCI },
{ OPTION_DISABLE_BCI, PARSE_TYPE_EXACT, RESULT_DO_DISABLE_BCI, J9SHR_RUNTIMEFLAG_DISABLE_BCI },
{ OPTION_ADJUST_SOFTMX_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_ADJUST_SOFTMX_EQUALS, 0 },
{ OPTION_ADJUST_MINAOT_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_ADJUST_MINAOT_EQUALS, 0 },
{ OPTION_ADJUST_MAXAOT_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_ADJUST_MAXAOT_EQUALS, 0 },
{ OPTION_ADJUST_MINJITDATA_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_ADJUST_MINJITDATA_EQUALS, 0 },
{ OPTION_ADJUST_MAXJITDATA_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_ADJUST_MAXJITDATA_EQUALS, 0 },
{ OPTION_ADDTESTJITHINT, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ADD_TEST_JITHINT},
{ OPTION_STORAGE_KEY_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_ADD_STORAGE_KEY_EQUALS, 0},
{ OPTION_RESTRICT_CLASSPATHS, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_RESTRICT_CLASSPATHS },
{ OPTION_ALLOW_CLASSPATHS, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ALLOW_CLASSPATHS },
{ OPTION_INVALIDATE_AOT_METHODS_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_INVALIDATE_AOT_METHODS_EQUALS, J9SHR_RUNTIMEFLAG_DO_NOT_CREATE_CACHE},
{ OPTION_REVALIDATE_AOT_METHODS_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_REVALIDATE_AOT_METHODS_EQUALS, J9SHR_RUNTIMEFLAG_DO_NOT_CREATE_CACHE},
{ OPTION_FIND_AOT_METHODS_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_FIND_AOT_METHODS_EQUALS, J9SHR_RUNTIMEFLAG_DO_NOT_CREATE_CACHE},
{ OPTION_NO_URL_TIMESTAMP_CHECK, PARSE_TYPE_EXACT, RESULT_DO_REMOVE_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_URL_TIMESTAMP_CHECK},
{ OPTION_URL_TIMESTAMP_CHECK, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_ENABLE_URL_TIMESTAMP_CHECK},
#if defined(J9VM_OPT_MULTI_LAYER_SHARED_CLASS_CACHE)
{ OPTION_LAYER_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_LAYER_EQUALS, 0 },
{ OPTION_CREATE_LAYER, PARSE_TYPE_EXACT, RESULT_DO_CREATE_LAYER, 0 },
#endif /* defined(J9VM_OPT_MULTI_LAYER_SHARED_CLASS_CACHE) */
{ OPTION_NO_PERSISTENT_DISK_SPACE_CHECK, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_NO_PERSISTENT_DISK_SPACE_CHECK},
#if defined(J9ZOS39064)
{ OPTION_MAP31, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG, J9SHR_RUNTIMEFLAG_MAP31},
#endif /* defined(J9ZOS39064) */
{ OPTION_TEST_DOUBLE_PAGESIZE, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG2, J9SHR_RUNTIMEFLAG2_TEST_DOUBLE_PAGESIZE},
{ OPTION_TEST_HALF_PAGESIZE, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG2, J9SHR_RUNTIMEFLAG2_TEST_HALF_PAGESIZE},
{ OPTION_EXTRA_STARTUPHINTS_EQUALS, PARSE_TYPE_STARTSWITH, RESULT_DO_SET_EXTRA_STARTUPHINTS, 0},
{ OPTION_SHARE_LAMBDAFORM, PARSE_TYPE_EXACT, RESULT_DO_ADD_RUNTIMEFLAG2, J9SHR_RUNTIMEFLAG2_SHARE_LAMBDAFORM},
{ NULL, 0, 0 }
};
IDATA UnitTest::unitTest = UnitTest::NO_TEST;
void * UnitTest::cacheMemory = NULL;
U_32 UnitTest::cacheSize = 0;
extern "C" {
static UDATA initializeSharedStringTable(J9JavaVM* vm);
static void resetSharedTable(J9SharedInvariantInternTable* sharedTable);
static BOOLEAN verifyStringTableElement(void *address, void *userData);
bool modifyCacheName(J9JavaVM *vm, const char* origName, UDATA verboseFlags, char** modifiedCacheName, UDATA bufLen);
static BOOLEAN j9shr_parseMemSize(char * str, UDATA & value);
static void addTestJitHint(J9HookInterface** hookInterface, UDATA eventNum, void* voidData, void* userData);
static IDATA j9shr_restoreFromSnapshot(J9JavaVM* vm, const char* ctrlDirName, const char* cacheName, bool* cacheExist);
static void j9shr_print_snapshot_filename(J9JavaVM* vm, const char* cacheDirName, const char* snapshotName, I_8 layer);
static IDATA j9shr_aotMethodOperation(J9JavaVM* vm, char* methodSpecs, UDATA action);
static bool recoverMethodSpecSeparator(char* string, char* end);
static void adjustCacheSizes(J9PortLibrary* portlib, UDATA verboseFlags, J9SharedClassPreinitConfig* piconfig, U_64 newSize);
static IDATA checkIfCacheExists(J9JavaVM* vm, const char* ctrlDirName, char* cacheDirName, const char* cacheName, J9PortShcVersion* versionData, U_32 cacheType, I_8 layer);
static bool isClassFromPatchedModule(J9VMThread* vmThread, J9Module *j9module, U_8* className, UDATA classNameLength, J9ClassLoader* classLoader);
static J9Module* getModule(J9VMThread* vmThread, U_8* className, UDATA classNameLength, J9ClassLoader* classLoader);
static bool isFreeDiskSpaceLow(J9JavaVM *vm, U_64* maxsize, U_64 runtimeFlags);
static char* generateStartupHintsKey(J9JavaVM *vm);
static void fetchStartupHintsFromSharedCache(J9VMThread* vmThread);
static void findExistingCacheLayerNumbers(J9JavaVM* vm, const char* ctrlDirName, const char* cacheName, U_64 runtimeFlags, I_8 *maxLayerNo);
static IDATA sysinfoGetUserNameHelper(J9JavaVM *vm, UDATA verboseFlags, char *buffer, UDATA length);
static UDATA romToRamGetRomAddress(void *item);
static UDATA romToRamHashFn(void *item, void *userData);
static UDATA romToRamEqualFn(void *left, void *right, void *userData);
#if defined(J9VM_GC_DYNAMIC_CLASS_UNLOADING)
static void romToRamRemoveEntry(J9HookInterface **hookInterface, UDATA eventNum, void *voidData, void *userData);
#endif /* defined(J9VM_GC_DYNAMIC_CLASS_UNLOADING) */
typedef struct J9SharedVerifyStringTable {
void *romClassAreaStart;
void *romClassAreaEnd;
J9SimplePool *simplePool;
} J9SharedCheckStringTable;
/* Imples build flag J9VM_OPT_ZIP_SUPPORT - if we don't have this, we're stuffed */
void
j9shr_hookZipLoadEvent(J9HookInterface** hook, UDATA eventNum, void* eventData, void* userData)
{
J9VMZipLoadEvent* event = (J9VMZipLoadEvent*)eventData;
char* filename = (char*)event->cpPath;
UDATA state = event->newState;
J9JavaVM* vm = (J9JavaVM*)event->userData;
J9VMThread* currentThread = vm->internalVMFunctions->currentVMThread(vm);
U_64 localRuntimeFlags = vm->sharedClassConfig->runtimeFlags;
/* Don't call notifyClasspathEntryStateChange for JCL(non-bootstrap) callers with checkURLTimestamps specified */
if (!(localRuntimeFlags & J9SHR_RUNTIMEFLAG_CACHE_INITIALIZATION_COMPLETE)
|| (localRuntimeFlags & J9SHR_RUNTIMEFLAG_DENY_CACHE_ACCESS)
|| ((NULL == event->zipfile) && (localRuntimeFlags & J9SHR_RUNTIMEFLAG_ENABLE_URL_TIMESTAMP_CHECK))
) {
return;
}
/* Only trigger notifyClasspathEntryStateChange if the returnCode indicates success */
if (vm && vm->sharedClassConfig && (0 == event->returnCode)) {
((SH_CacheMap*)(vm->sharedClassConfig->sharedClassCache))->notifyClasspathEntryStateChange(currentThread, (const char*)filename, state);
}
}
IDATA
j9shr_print_stats(J9JavaVM *vm, UDATA parseResult, U_64 runtimeFlags, UDATA printStatsOptions);
static void
j9shr_print_cache_filename(J9JavaVM* vm, const char* cacheDirName, U_64 runtimeFlags, const char* cacheName, I_8 layer);
static void
reportUtilityNotApplicable(J9JavaVM* vm, const char* ctrlDirName, const char* cacheName, UDATA verboseFlags, U_64 runtimeFlags, UDATA command);
static void
printRuntimeFlags (J9PortLibrary* portLibrary, U_64 runtimeFlags, UDATA verboseFlags)
{
PORT_ACCESS_FROM_PORT(portLibrary);
if (verboseFlags & J9SHR_VERBOSEFLAG_ENABLE_VERBOSE) {
if (!(runtimeFlags & J9SHR_RUNTIMEFLAG_ENABLE_TIMESTAMP_CHECKS)) {
SHRINIT_TRACE(verboseFlags, J9NLS_SHRC_SHRINIT_TIMESTAMP_DISABLED_INFO);
}
if (!(runtimeFlags & J9SHR_RUNTIMEFLAG_ENABLE_LOCAL_CACHEING)) {
SHRINIT_TRACE(verboseFlags, J9NLS_SHRC_SHRINIT_CPCACHEING_DISABLED_INFO);
}
if (!(runtimeFlags & J9SHR_RUNTIMEFLAG_ENABLE_REDUCE_STORE_CONTENTION)) {
SHRINIT_TRACE(verboseFlags, J9NLS_SHRC_SHRINIT_STCONT_REDUCE_DISABLED_INFO);
}
if ((runtimeFlags & J9SHR_RUNTIMEFLAG_ENABLE_GROUP_ACCESS)) {
SHRINIT_TRACE_NOTAG(verboseFlags, J9NLS_SHRC_SHRINIT_GROUP_ACCESS_INFO);
}
if ((runtimeFlags & J9SHR_RUNTIMEFLAG_ENABLE_PERSISTENT_CACHE)) {
SHRINIT_TRACE_NOTAG(verboseFlags, J9NLS_SHRC_SHRINIT_VERBOSE_PERSISTENT_CACHE_ENABLED_INFO);
} else {
SHRINIT_TRACE_NOTAG(verboseFlags, J9NLS_SHRC_SHRINIT_VERBOSE_PERSISTENT_CACHE_DISABLED_INFO);
}
if ((runtimeFlags & J9SHR_RUNTIMEFLAG_ENABLE_CACHERETRANSFORMED)) {
SHRINIT_TRACE_NOTAG(verboseFlags, J9NLS_SHRC_SHRINIT_CACHERETRANSFORMED_INFO);
}
if (!(runtimeFlags & J9SHR_RUNTIMEFLAG_ENABLE_CACHEBOOTCLASSES)) {
SHRINIT_TRACE_NOTAG(verboseFlags, J9NLS_SHRC_SHRINIT_NOBOOTCLASSPATH_INFO);
}
SHRINIT_TRACE_NOTAG(verboseFlags, J9NLS_SHRC_SHRINIT_VERBOSE_ENABLED_INFO);
}
if ((verboseFlags & J9SHR_VERBOSEFLAG_ENABLE_VERBOSE_IO)) {
SHRINIT_TRACE_NOTAG(verboseFlags, J9NLS_SHRC_SHRINIT_VERBOSE_IO_ENABLED_INFO);
}
if ((verboseFlags & J9SHR_VERBOSEFLAG_ENABLE_VERBOSE_HELPER)) {
SHRINIT_TRACE_NOTAG(verboseFlags, J9NLS_SHRC_SHRINIT_VERBOSE_HELPER_ENABLED_INFO);
}
if ((verboseFlags & J9SHR_VERBOSEFLAG_ENABLE_VERBOSE_AOT)) {
SHRINIT_TRACE_NOTAG(verboseFlags, J9NLS_SHRC_SHRINIT_VERBOSE_AOT_ENABLED_INFO);
}
if ((verboseFlags & J9SHR_VERBOSEFLAG_ENABLE_VERBOSE_DATA)) {
SHRINIT_TRACE_NOTAG(verboseFlags, J9NLS_SHRC_SHRINIT_VERBOSE_DATA_ENABLED_INFO);
}
if ((verboseFlags & J9SHR_VERBOSEFLAG_ENABLE_VERBOSE_JITDATA)) {
SHRINIT_TRACE_NOTAG(verboseFlags, J9NLS_SHRC_SHRINIT_VERBOSE_JITDATA_ENABLED_INFO);
}
}
/**
* Parses the given string and returns the sequence of characters until the next delim in the string.
* If the next char after the found token is '\0', then it is the end of string and
* return false indicating that there are no more tokens.
* If the next char after the found token is delim,
* then more token(s) are expected after the found token separated by delim.
* Therefore, move the current string pointer (*string) after the delim character.
*
*
* @param char ** string Original string to be split from delim char
* @param char delim Delimiter character
* @param char ** token Sequence of chars until the next delim in the given string
*
* @return bool Returns false if the end of string is reached
* meaning that there are no more chars in the string,
* true otherwise
*/
static bool getNextToken (char ** string, char delim, char ** token)
{
int i = 0;
for (; (('\0' != (*string)[i]) && (delim != (*string)[i])); i++) {
(*token)[i] = (*string)[i];
}
(*token)[i] = '\0';
if ('\0' == (*string)[i]) {
return false;
} else {
(*string) += i + 1;
return true;
}
}
/**
* This function replaces '\0' with ',' within {} in the <method_specification> string provided for "invalidateAotMethods/revalidateAotMethods/findAotMethods" option
* @param[in] string Pointer to the start of the method specs string
* @param[in] end Pointer to the end of the method specs string
*
* @return false if '{' is found but '}' missing, true otherwise
*/
static bool
recoverMethodSpecSeparator(char* string, char* end)
{
bool rc = false;
bool inBrace = false;
char* cursor = string;
Trc_SHR_Assert_False((NULL == string) || (NULL == end));
if (NULL == strchr(string, '{')) {
/* do nothing */
return true;
}
while(('}' != *cursor)
&& (cursor < end)
) {
if ('{' == *cursor) {
inBrace = true;
} else if (inBrace && ('\0' == *cursor)) {
*cursor = ',';
}
cursor += 1;
}
if (end == cursor) {
/* '{' found but '}' missing */
rc = false;
} else {
/* '}' found */
inBrace = false;
rc = true;
}
return rc;
}
UDATA
parseArgs(J9JavaVM* vm, char* options, U_64* runtimeFlags, U_64* runtimeFlags2, UDATA* verboseFlags, char** cacheName,
char** modContext, char** expireTime, char** ctrlDirName, char **cacheDirPerm, char** methodSpecs, UDATA* printStatsOptions, UDATA* storageKeyTesting)
{
UDATA returnAction = 0;
PORT_ACCESS_FROM_JAVAVM(vm);
char* tempStr;
IDATA tempInt;
bool cacheDirSet = false;
char* optionEnd = options + SHR_SUBOPT_BUFLEN;
#if defined(AIXPPC)
bool noCoreMmap;
UDATA lastAction = UDATA_MAX;
#endif
while (*options) {
IDATA i=0;
while(J9SHAREDCLASSESOPTIONS[i].option != NULL) {
const char* compareTo = J9SHAREDCLASSESOPTIONS[i].option;
UDATA compareToLen = strlen(compareTo);
char* found = options;
UDATA rc = try_scan(&found, compareTo); /* provides case insensitive compare. "found" not used. */
if (rc) {
if (J9SHAREDCLASSESOPTIONS[i].parseType==PARSE_TYPE_EXACT) {
if (options[compareToLen]=='\0') break;
} else
if (J9SHAREDCLASSESOPTIONS[i].parseType==PARSE_TYPE_STARTSWITH) {
if (options[compareToLen]=='\0') {
/* Potentially don't know verboseFlags yet, so this msg cannot be suppressed by "silent" */
SHRINIT_ERR_TRACE1(1, J9NLS_SHRC_SHRINIT_REQUIRES_SUBOPTION, options);
return RESULT_PARSE_FAILED;
}
break;
} else
if (J9SHAREDCLASSESOPTIONS[i].parseType==PARSE_TYPE_OPTIONAL) {
break;
}
}
i++;
}
if (NULL == J9SHAREDCLASSESOPTIONS[i].option) {
/* Potentially don't know verboseFlags yet, so this msg cannot be suppressed by "silent" */
SHRINIT_ERR_TRACE1(1, J9NLS_SHRC_SHRINIT_OPTION_UNRECOGNISED, options);
return RESULT_PARSE_FAILED;
}
switch(J9SHAREDCLASSESOPTIONS[i].action) {
case RESULT_DO_REMOVE_RUNTIMEFLAG:
*runtimeFlags &= ~(J9SHAREDCLASSESOPTIONS[i].flag);
break;
case RESULT_DO_ADD_RUNTIMEFLAG:
*runtimeFlags |= J9SHAREDCLASSESOPTIONS[i].flag;
break;
case RESULT_DO_ADD_RUNTIMEFLAG2:
*runtimeFlags2 |= J9SHAREDCLASSESOPTIONS[i].flag;
break;
case RESULT_DO_SET_VERBOSEFLAG:
*verboseFlags = (UDATA)J9SHAREDCLASSESOPTIONS[i].flag;
break;
case RESULT_DO_ADD_VERBOSEFLAG:
*verboseFlags |= (UDATA)J9SHAREDCLASSESOPTIONS[i].flag;
break;
case RESULT_DO_NAME_EQUALS:
*cacheName = options + strlen(OPTION_NAME_EQUALS);
options += strlen(OPTION_NAME_EQUALS)+strlen(*cacheName)+1;
continue;
case RESULT_DO_CTRLD_EQUALS:
/* Ignore controlDir unless cacheDir is not set */
if (!cacheDirSet) {
*ctrlDirName = options + strlen(OPTION_CONTROLDIR_EQUALS);
*runtimeFlags |= J9SHR_RUNTIMEFLAG_CACHEDIR_PRESENT;
}
options += strlen(options)+1;
continue;
case RESULT_DO_CACHEDIR_EQUALS:
*ctrlDirName = options + strlen(OPTION_CACHEDIR_EQUALS);
*runtimeFlags |= J9SHR_RUNTIMEFLAG_CACHEDIR_PRESENT;
options += strlen(OPTION_CACHEDIR_EQUALS)+strlen(*ctrlDirName)+1;
cacheDirSet = true;
continue;
case RESULT_DO_MODIFIED_EQUALS:
*modContext = options + strlen(OPTION_MODIFIED_EQUALS);
options += strlen(OPTION_MODIFIED_EQUALS)+strlen(*modContext)+1;
continue;
case RESULT_DO_LAYER_EQUALS:
{
UDATA temp = 0;
char* layerString = options + strlen(OPTION_LAYER_EQUALS);
char* cursor = layerString;
if ((scan_udata(&cursor, &temp) == 0)
&& (temp <= J9SH_LAYER_NUM_MAX_VALUE)
) {
vm->sharedCacheAPI->layer = (I_8)temp;
} else {
SHRINIT_ERR_TRACE3(1, J9NLS_SHRC_SHRINIT_OPTION_INVALID_LAYER_NUMBER, temp, OPTION_LAYER_EQUALS, J9SH_LAYER_NUM_MAX_VALUE + 1);
return RESULT_PARSE_FAILED;
}
options += strlen(OPTION_LAYER_EQUALS)+ (cursor - layerString) +1;
continue;
}
case RESULT_DO_SET_EXTRA_STARTUPHINTS:
{
UDATA temp = 0;
char* optString = options + strlen(OPTION_EXTRA_STARTUPHINTS_EQUALS);
char* cursor = optString;
if (J9_ARE_ALL_BITS_SET(*runtimeFlags, J9SHR_RUNTIMEFLAG_ENABLE_READONLY)) {
*runtimeFlags &= ~J9SHR_RUNTIMEFLAG_ENABLE_READONLY;
SHRINIT_WARNING_TRACE3(verboseFlags, J9NLS_SHRC_SHRINIT_OPTION_IGNORED_WARNING, OPTION_READONLY, OPTION_EXTRA_STARTUPHINTS_EQUALS, OPTION_READONLY);
}
if (scan_udata(&cursor, &temp) == 0) {
vm->sharedCacheAPI->newStartupHints = (I_32)temp;
} else {
SHRINIT_ERR_TRACE1(1, J9NLS_SHRC_SHRINIT_OPTION_INVALID_PARAM, OPTION_EXTRA_STARTUPHINTS_EQUALS);
return RESULT_PARSE_FAILED;
}
options += strlen(OPTION_EXTRA_STARTUPHINTS_EQUALS) + (cursor - optString) + 1;
returnAction = J9SHAREDCLASSESOPTIONS[i].action;
*runtimeFlags |= J9SHR_RUNTIMEFLAG_DO_NOT_CREATE_CACHE;
continue;
}
case RESULT_DO_CREATE_LAYER:
{
vm->sharedCacheAPI->layer = SHRINIT_CREATE_NEW_LAYER;
break;
}
case RESULT_DO_ADJUST_SOFTMX_EQUALS:
case RESULT_DO_ADJUST_MINAOT_EQUALS:
case RESULT_DO_ADJUST_MAXAOT_EQUALS:
case RESULT_DO_ADJUST_MINJITDATA_EQUALS:
case RESULT_DO_ADJUST_MAXJITDATA_EQUALS:
{
UDATA tmpareasize = (UDATA)-1;
char * areasize = options + strlen(J9SHAREDCLASSESOPTIONS[i].option);
BOOLEAN parseAreaSize = j9shr_parseMemSize(areasize, tmpareasize);
if (FALSE == parseAreaSize) {
SHRINIT_ERR_TRACE1(1, J9NLS_SHRC_SHRINIT_OPTION_INVALID_MEMORY_SIZE, options);
return RESULT_PARSE_FAILED;
}
if (J9_ARE_ALL_BITS_SET(*runtimeFlags, J9SHR_RUNTIMEFLAG_ENABLE_READONLY)) {
*runtimeFlags &= ~J9SHR_RUNTIMEFLAG_ENABLE_READONLY;
SHRINIT_WARNING_TRACE3(verboseFlags, J9NLS_SHRC_SHRINIT_OPTION_IGNORED_WARNING, OPTION_READONLY, J9SHAREDCLASSESOPTIONS[i].option, OPTION_READONLY);
}
if (RESULT_DO_ADJUST_SOFTMX_EQUALS == J9SHAREDCLASSESOPTIONS[i].action) {
vm->sharedCacheAPI->softMaxBytes = (U_32)tmpareasize;
} else if (RESULT_DO_ADJUST_MINAOT_EQUALS == J9SHAREDCLASSESOPTIONS[i].action) {
vm->sharedCacheAPI->minAOT = (I_32)tmpareasize;
} else if (RESULT_DO_ADJUST_MAXAOT_EQUALS == J9SHAREDCLASSESOPTIONS[i].action) {
vm->sharedCacheAPI->maxAOT = (I_32)tmpareasize;
} else if (RESULT_DO_ADJUST_MINJITDATA_EQUALS == J9SHAREDCLASSESOPTIONS[i].action) {
vm->sharedCacheAPI->minJIT = (I_32)tmpareasize;
} else {
vm->sharedCacheAPI->maxJIT = (I_32)tmpareasize;
}
options += strlen(J9SHAREDCLASSESOPTIONS[i].option) + strlen(areasize) + 1;
returnAction = J9SHAREDCLASSESOPTIONS[i].action;
*runtimeFlags |= J9SHR_RUNTIMEFLAG_DO_NOT_CREATE_CACHE;
continue;
}
case RESULT_DO_EXPIRE:
if (J9_ARE_ALL_BITS_SET(*runtimeFlags, J9SHR_RUNTIMEFLAG_SNAPSHOT)) {
/* ignore "snapshotCache" if it is specified before expire option */
*runtimeFlags &= ~J9SHR_RUNTIMEFLAG_SNAPSHOT;
}
*expireTime = options + strlen(OPTION_EXPIRE_EQUALS);
options += strlen(OPTION_EXPIRE_EQUALS)+strlen(*expireTime)+1;
returnAction = RESULT_DO_EXPIRE;
continue;
case RESULT_DO_CACHEDIRPERM_EQUALS:
*cacheDirPerm = options + strlen(OPTION_CACHEDIRPERM_EQUALS);
options += strlen(OPTION_CACHEDIRPERM_EQUALS)+strlen(*cacheDirPerm)+1;
continue;
case RESULT_DO_MPROTECT_EQUALS:
tempStr = options + strlen(OPTION_MPROTECT_EQUALS);
if (0 == strcmp(tempStr, SUB_OPTION_MPROTECT_NONE)) {
*runtimeFlags &= ~(J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT
| J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_ALL
| J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_RW
| J9SHR_RUNTIMEFLAG_MPROTECT_PARTIAL_PAGES_ON_STARTUP
| J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_PARTIAL_PAGES
| J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_ONFIND);
tempInt = strlen(SUB_OPTION_MPROTECT_NONE);
} else if (0 == strcmp(tempStr, SUB_OPTION_MPROTECT_ALL)) {
*runtimeFlags |= (J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT
| J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_ALL
| J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_RW
| J9SHR_RUNTIMEFLAG_MPROTECT_PARTIAL_PAGES_ON_STARTUP
| J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_PARTIAL_PAGES
| J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_ONFIND);
tempInt = strlen(SUB_OPTION_MPROTECT_ALL);
} else if (0 == strcmp(tempStr, SUB_OPTION_MPROTECT_DEF)) {
#if defined(J9ZOS390) || defined(AIXPPC)
/* Calling mprotect on the RW when using persistent caches on AIX and ZOS
* has a severe performance impact on class loading (approx ~20% slower)
*/
*runtimeFlags |= J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT;
#else
*runtimeFlags |= J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT | J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_RW | J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_PARTIAL_PAGES;
#endif /* defined(J9ZOS390) || defined(AIXPPC) */
*runtimeFlags &= ~(J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_ONFIND | J9SHR_RUNTIMEFLAG_MPROTECT_PARTIAL_PAGES_ON_STARTUP);
tempInt = strlen(SUB_OPTION_MPROTECT_DEF);
} else if (0 == strcmp(tempStr, SUB_OPTION_MPROTECT_ONFIND)) {
/* When enabling mprotect=onfind, ensure flags for mprotect=default along with J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_PARTIAL_PAGES are also set */
#if defined(J9ZOS390) || defined(AIXPPC)
/* Calling mprotect on the RW when using persistent caches on AIX and ZOS
* has a severe performance impact on class loading (approx ~20% slower)
*/
*runtimeFlags |= J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT | J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_PARTIAL_PAGES;
#else
*runtimeFlags |= J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT | J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_RW | J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_PARTIAL_PAGES;
#endif /* defined(J9ZOS390) || defined(AIXPPC) */
*runtimeFlags |= J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_ONFIND;
tempInt = strlen(SUB_OPTION_MPROTECT_ONFIND);
} else if (0 == strcmp(tempStr, SUB_OPTION_MPROTECT_PARTIAL_PAGES_ON_STARTUP)) {
/* When enabling mprotect=partialpagesonstartup, ensure flags for mprotect=default are also set */
#if defined(J9ZOS390) || defined(AIXPPC)
/* Calling mprotect on the RW when using persistent caches on AIX and ZOS
* has a severe performance impact on class loading (approx ~20% slower)
*/
*runtimeFlags |= J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT | J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_PARTIAL_PAGES;
#else
*runtimeFlags |= J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT | J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_RW | J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_PARTIAL_PAGES;
#endif /* defined(J9ZOS390) || defined(AIXPPC) */
*runtimeFlags |= J9SHR_RUNTIMEFLAG_MPROTECT_PARTIAL_PAGES_ON_STARTUP;
tempInt = strlen(SUB_OPTION_MPROTECT_PARTIAL_PAGES_ON_STARTUP);
} else if (0 == strcmp(tempStr, SUB_OPTION_MPROTECT_PARTIAL_PAGES)) {
/* When enabling mprotect=partialpages, ensure flags for mprotect=default are also set.
* Calling mprotect on the RW when using persistent caches on AIX and ZOS
* has a severe performance impact on class loading (approx ~20% slower).
*/
#if defined(J9ZOS390)
/* Moreover, on z/OS partial page protection needs to be enabled since JVM startup (which is flag J9SHR_RUNTIMEFLAG_MPROTECT_PARTIAL_PAGES_ON_STARTUP),
* otherwise if this JVM protects partially filled pages,
* then any subsequent JVM can crash if it attempts to write to cache during startup phase.
*/
*runtimeFlags |= J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT | J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_PARTIAL_PAGES | J9SHR_RUNTIMEFLAG_MPROTECT_PARTIAL_PAGES_ON_STARTUP;
#elif defined(AIXPPC)
*runtimeFlags |= J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT | J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_PARTIAL_PAGES;
#else
*runtimeFlags |= J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT | J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_RW | J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_PARTIAL_PAGES;
#endif /* defined(J9ZOS390) || defined(AIXPPC) */
tempInt = strlen(SUB_OPTION_MPROTECT_PARTIAL_PAGES);
} else if (0 == strcmp(tempStr, SUB_OPTION_MPROTECT_NO_RW)) {
/* Never enable MPROTECT_ALL without MPROTECT_RW */
if ((*runtimeFlags & J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_ALL) == 0) {
*runtimeFlags &= ~J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_RW;
}
*runtimeFlags |= J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT;
tempInt = strlen(SUB_OPTION_MPROTECT_NO_RW);
} else if (0 == strcmp(tempStr, SUB_OPTION_MPROTECT_NO_PARTIAL_PAGES)) {
*runtimeFlags &= ~(J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_PARTIAL_PAGES | J9SHR_RUNTIMEFLAG_ENABLE_MPROTECT_ONFIND);
tempInt = strlen(SUB_OPTION_MPROTECT_NO_PARTIAL_PAGES);
} else {
/* Potentially don't know verboseFlags yet, so this msg cannot be suppressed by "silent" */
SHRINIT_ERR_TRACE(1, J9NLS_SHRC_SHRINIT_MPROTECT_UNRECOGNISED);
return RESULT_PARSE_FAILED;
}
options += strlen(OPTION_MPROTECT_EQUALS)+tempInt+1;
continue;
case RESULT_DO_PRINTDETAILS:
if (0 == returnAction) {
returnAction = RESULT_DO_PRINTSTATS;
}
*runtimeFlags |= J9SHAREDCLASSESOPTIONS[i].flag;
break;
case RESULT_DO_PRINTALLSTATS_EQUALS:
case RESULT_DO_PRINTSTATS_EQUALS:
case RESULT_DO_PRINT_TOP_LAYER_STATS_EQUALS:
{
returnAction = J9SHAREDCLASSESOPTIONS[i].action;
#if defined(AIXPPC)
lastAction = returnAction;
#endif /* defined(AIXPPC) */
if (RESULT_DO_PRINTALLSTATS_EQUALS == J9SHAREDCLASSESOPTIONS[i].action) {
tempStr = options + strlen(OPTION_PRINTALLSTATS_EQUALS);
tempInt = strlen(OPTION_PRINTALLSTATS_EQUALS) + strlen(tempStr);
} else if (RESULT_DO_PRINTSTATS_EQUALS == J9SHAREDCLASSESOPTIONS[i].action) {
tempStr = options + strlen(OPTION_PRINTSTATS_EQUALS);
tempInt = strlen(OPTION_PRINTSTATS_EQUALS) + strlen(tempStr);
} else {
tempStr = options + strlen(OPTION_PRINT_TOP_LAYER_STATS_EQUALS);
tempInt = strlen(OPTION_PRINT_TOP_LAYER_STATS_EQUALS) + strlen(tempStr);
*printStatsOptions |= PRINTSTATS_SHOW_TOP_LAYER_ONLY;
}
char delim = '+';
char * filter = (char*)j9mem_allocate_memory(strlen(tempStr)+1, J9MEM_CATEGORY_CLASSES);
if (NULL == filter) {
SHRINIT_ERR_TRACE(verboseFlags, J9NLS_SHRC_SHRINIT_FAILURE_ALLOCATING_CHAR_ARRAY);
return RESULT_PARSE_FAILED;
}
char * filterOriginal = filter;
bool hasMoreToken = getNextToken(&tempStr, delim, &filter);
while(true) {
int filterLength= ((int)strlen(filter)) + 1; /* 1 is added for the end char '\0' */
/* -Xshareclasses:printallstats=<public options> */
if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_ALL))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_ALL))) {
*printStatsOptions |= PRINTSTATS_SHOW_ALL;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_CLASSPATH))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_CLASSPATH))) {
*printStatsOptions |= PRINTSTATS_SHOW_CLASSPATH;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_URL))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_URL))) {
*printStatsOptions |= PRINTSTATS_SHOW_URL;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_TOKEN))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_TOKEN))) {
*printStatsOptions |= PRINTSTATS_SHOW_TOKEN;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_ROMCLASS))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_ROMCLASS))) {
*printStatsOptions |= PRINTSTATS_SHOW_ROMCLASS;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_ROMMETHOD))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_ROMMETHOD))) {
*printStatsOptions |= PRINTSTATS_SHOW_ROMMETHOD;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_AOT))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_AOT))) {
*printStatsOptions |= PRINTSTATS_SHOW_AOT;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_INVALIDATEDAOT))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_INVALIDATEDAOT))) {
*printStatsOptions |= PRINTSTATS_SHOW_INVALIDATEDAOT;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_JITPROFILE))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_JITPROFILE))) {
*printStatsOptions |= PRINTSTATS_SHOW_JITPROFILE;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_JITHINT))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_JITHINT))) {
*printStatsOptions |= PRINTSTATS_SHOW_JITHINT;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_ZIPCACHE))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_ZIPCACHE))) {
*printStatsOptions |= PRINTSTATS_SHOW_ZIPCACHE;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_STALE))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_STALE))) {
*printStatsOptions |= PRINTSTATS_SHOW_ALL_STALE;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_STARTUPHINT))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_STARTUPHINT))) {
*printStatsOptions |= PRINTSTATS_SHOW_STARTUPHINT;
/* -Xshareclasses:printallstats=<private options> For private options, it is default to print details. */
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_EXTRA))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_EXTRA))) {
*printStatsOptions |= PRINTSTATS_SHOW_EXTRA;
*runtimeFlags |= J9SHR_RUNTIMEFLAG_ENABLE_DETAILED_STATS;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_ORPHAN))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_ORPHAN))) {
*printStatsOptions |= PRINTSTATS_SHOW_ORPHAN;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_AOTCH))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_AOTCH))) {
*printStatsOptions |= PRINTSTATS_SHOW_AOTCH;
*runtimeFlags |= J9SHR_RUNTIMEFLAG_ENABLE_DETAILED_STATS;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_AOTTHUNK))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_AOTTHUNK))) {
*printStatsOptions |= PRINTSTATS_SHOW_AOTTHUNK;
*runtimeFlags |= J9SHR_RUNTIMEFLAG_ENABLE_DETAILED_STATS;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_AOTDATA))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_AOTDATA))) {
*printStatsOptions |= PRINTSTATS_SHOW_AOTDATA;
*runtimeFlags |= J9SHR_RUNTIMEFLAG_ENABLE_DETAILED_STATS;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_JCL))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_JCL))) {
*printStatsOptions |= PRINTSTATS_SHOW_JCL;
*runtimeFlags |= J9SHR_RUNTIMEFLAG_ENABLE_DETAILED_STATS;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_BYTEDATA))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_BYTEDATA))) {
*printStatsOptions |= PRINTSTATS_SHOW_BYTEDATA;
*runtimeFlags |= J9SHR_RUNTIMEFLAG_ENABLE_DETAILED_STATS;
/* -Xshareclasses:printallstats=<help options> */
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_HELP))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_HELP))) {
*printStatsOptions |= PRINTSTATS_SHOW_HELP;
} else if ((filterLength == sizeof(SUB_OPTION_PRINTSTATS_MOREHELP))
&& (0 != try_scan(&filter, SUB_OPTION_PRINTSTATS_MOREHELP))) {
*printStatsOptions |= PRINTSTATS_SHOW_MOREHELP;
} else {
if (RESULT_DO_PRINTALLSTATS_EQUALS == J9SHAREDCLASSESOPTIONS[i].action) {
SHRINIT_ERR_TRACE(1, J9NLS_SHRC_SHRINIT_PRINTALLSTATS_UNRECOGNISED);
} else {
SHRINIT_ERR_TRACE(1, J9NLS_SHRC_SHRINIT_PRINTSTATS_UNRECOGNISED);
}
j9mem_free_memory(filterOriginal);
return RESULT_PARSE_FAILED;
}
if (hasMoreToken) {