6619271: The -Xprintflags causes the VM to segv
Summary: add null checks
Reviewed-by: jrose, kvn
/*
* Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
// Construct enum of Flag_<cmdline-arg> constants.
// Parens left off in the following for the enum decl below.
#define FLAG_MEMBER(flag) Flag_##flag
#define RUNTIME_PRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
#define RUNTIME_PD_PRODUCT_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
#define RUNTIME_DIAGNOSTIC_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
#define RUNTIME_MANAGEABLE_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
#define RUNTIME_PRODUCT_RW_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
#ifdef PRODUCT
#define RUNTIME_DEVELOP_FLAG_MEMBER(type, name, value, doc) /* flag is constant */
#define RUNTIME_PD_DEVELOP_FLAG_MEMBER(type, name, doc) /* flag is constant */
#define RUNTIME_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc)
#else
#define RUNTIME_DEVELOP_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
#define RUNTIME_PD_DEVELOP_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
#define RUNTIME_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
#endif
#define C1_PRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
#define C1_PD_PRODUCT_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
#ifdef PRODUCT
#define C1_DEVELOP_FLAG_MEMBER(type, name, value, doc) /* flag is constant */
#define C1_PD_DEVELOP_FLAG_MEMBER(type, name, doc) /* flag is constant */
#define C1_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc)
#else
#define C1_DEVELOP_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
#define C1_PD_DEVELOP_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
#define C1_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
#endif
#define C2_PRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
#define C2_PD_PRODUCT_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
#define C2_DIAGNOSTIC_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
#ifdef PRODUCT
#define C2_DEVELOP_FLAG_MEMBER(type, name, value, doc) /* flag is constant */
#define C2_PD_DEVELOP_FLAG_MEMBER(type, name, doc) /* flag is constant */
#define C2_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc)
#else
#define C2_DEVELOP_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
#define C2_PD_DEVELOP_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
#define C2_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
#endif
typedef enum {
RUNTIME_FLAGS(RUNTIME_DEVELOP_FLAG_MEMBER, RUNTIME_PD_DEVELOP_FLAG_MEMBER, RUNTIME_PRODUCT_FLAG_MEMBER,
RUNTIME_PD_PRODUCT_FLAG_MEMBER, RUNTIME_DIAGNOSTIC_FLAG_MEMBER,
RUNTIME_NOTPRODUCT_FLAG_MEMBER, RUNTIME_MANAGEABLE_FLAG_MEMBER, RUNTIME_PRODUCT_RW_FLAG_MEMBER)
RUNTIME_OS_FLAGS(RUNTIME_DEVELOP_FLAG_MEMBER, RUNTIME_PD_DEVELOP_FLAG_MEMBER, RUNTIME_PRODUCT_FLAG_MEMBER,
RUNTIME_PD_PRODUCT_FLAG_MEMBER, RUNTIME_DIAGNOSTIC_FLAG_MEMBER,
RUNTIME_NOTPRODUCT_FLAG_MEMBER)
#ifdef COMPILER1
C1_FLAGS(C1_DEVELOP_FLAG_MEMBER, C1_PD_DEVELOP_FLAG_MEMBER, C1_PRODUCT_FLAG_MEMBER, C1_PD_PRODUCT_FLAG_MEMBER,
C1_NOTPRODUCT_FLAG_MEMBER)
#endif
#ifdef COMPILER2
C2_FLAGS(C2_DEVELOP_FLAG_MEMBER, C2_PD_DEVELOP_FLAG_MEMBER, C2_PRODUCT_FLAG_MEMBER, C2_PD_PRODUCT_FLAG_MEMBER,
C2_DIAGNOSTIC_FLAG_MEMBER, C2_NOTPRODUCT_FLAG_MEMBER)
#endif
NUM_CommandLineFlag
} CommandLineFlag;
// Construct enum of Flag_<cmdline-arg>_<type> constants.
#define FLAG_MEMBER_WITH_TYPE(flag,type) Flag_##flag##_##type
#define RUNTIME_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#define RUNTIME_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#define RUNTIME_DIAGNOSTIC_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#define RUNTIME_MANAGEABLE_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#define RUNTIME_PRODUCT_RW_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#ifdef PRODUCT
#define RUNTIME_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) /* flag is constant */
#define RUNTIME_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) /* flag is constant */
#define RUNTIME_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc)
#else
#define RUNTIME_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#define RUNTIME_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#define RUNTIME_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#endif
#define C1_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#define C1_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#ifdef PRODUCT
#define C1_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) /* flag is constant */
#define C1_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) /* flag is constant */
#define C1_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc)
#else
#define C1_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#define C1_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#define C1_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#endif
#define C2_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#define C2_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#define C2_DIAGNOSTIC_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#ifdef PRODUCT
#define C2_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) /* flag is constant */
#define C2_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) /* flag is constant */
#define C2_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc)
#else
#define C2_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#define C2_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#define C2_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
#endif
typedef enum {
RUNTIME_FLAGS(RUNTIME_DEVELOP_FLAG_MEMBER_WITH_TYPE, RUNTIME_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE,
RUNTIME_PRODUCT_FLAG_MEMBER_WITH_TYPE, RUNTIME_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE,
RUNTIME_DIAGNOSTIC_FLAG_MEMBER_WITH_TYPE,
RUNTIME_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE,
RUNTIME_MANAGEABLE_FLAG_MEMBER_WITH_TYPE,
RUNTIME_PRODUCT_RW_FLAG_MEMBER_WITH_TYPE)
RUNTIME_OS_FLAGS(RUNTIME_DEVELOP_FLAG_MEMBER_WITH_TYPE, RUNTIME_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE,
RUNTIME_PRODUCT_FLAG_MEMBER_WITH_TYPE, RUNTIME_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE,
RUNTIME_DIAGNOSTIC_FLAG_MEMBER_WITH_TYPE,
RUNTIME_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE)
#ifdef COMPILER1
C1_FLAGS(C1_DEVELOP_FLAG_MEMBER_WITH_TYPE, C1_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE, C1_PRODUCT_FLAG_MEMBER_WITH_TYPE,
C1_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE, C1_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE)
#endif
#ifdef COMPILER2
C2_FLAGS(C2_DEVELOP_FLAG_MEMBER_WITH_TYPE, C2_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE, C2_PRODUCT_FLAG_MEMBER_WITH_TYPE,
C2_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE, C2_DIAGNOSTIC_FLAG_MEMBER_WITH_TYPE, C2_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE)
#endif
NUM_CommandLineFlagWithType
} CommandLineFlagWithType;
#define FLAG_IS_DEFAULT(name) (CommandLineFlagsEx::is_default(FLAG_MEMBER(name)))
#define FLAG_IS_ERGO(name) (CommandLineFlagsEx::is_ergo(FLAG_MEMBER(name)))
#define FLAG_IS_CMDLINE(name) (CommandLineFlagsEx::is_cmdline(FLAG_MEMBER(name)))
#define FLAG_SET_DEFAULT(name, value) ((name) = (value))
#define FLAG_SET_CMDLINE(type, name, value) (CommandLineFlagsEx::type##AtPut(FLAG_MEMBER_WITH_TYPE(name,type), (type)(value), COMMAND_LINE))
#define FLAG_SET_ERGO(type, name, value) (CommandLineFlagsEx::type##AtPut(FLAG_MEMBER_WITH_TYPE(name,type), (type)(value), ERGONOMIC))
// Can't put the following in CommandLineFlags because
// of a circular dependency on the enum definition.
class CommandLineFlagsEx : CommandLineFlags {
public:
static void boolAtPut(CommandLineFlagWithType flag, bool value, FlagValueOrigin origin);
static void intxAtPut(CommandLineFlagWithType flag, intx value, FlagValueOrigin origin);
static void uintxAtPut(CommandLineFlagWithType flag, uintx value, FlagValueOrigin origin);
static void doubleAtPut(CommandLineFlagWithType flag, double value, FlagValueOrigin origin);
static void ccstrAtPut(CommandLineFlagWithType flag, ccstr value, FlagValueOrigin origin);
static bool is_default(CommandLineFlag flag);
static bool is_ergo(CommandLineFlag flag);
static bool is_cmdline(CommandLineFlag flag);
};