| /* |
| * Copyright (c) 2015, 2018, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_SERVICES_WRITEABLEFLAG_HPP |
| #define SHARE_VM_SERVICES_WRITEABLEFLAG_HPP |
| |
| #include "runtime/flags/jvmFlag.hpp" |
| #include "runtime/globals.hpp" |
| #include "utilities/formatBuffer.hpp" |
| |
| class WriteableFlags : AllStatic { |
| private: |
| // a writeable flag setter accepting either 'jvalue' or 'char *' values |
| static JVMFlag::Error set_flag(const char* name, const void* value, JVMFlag::Error(*setter)(JVMFlag*, const void*, JVMFlag::Flags, FormatBuffer<80>&), JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| // a writeable flag setter accepting 'char *' values |
| static JVMFlag::Error set_flag_from_char(JVMFlag* f, const void* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| // a writeable flag setter accepting 'jvalue' values |
| static JVMFlag::Error set_flag_from_jvalue(JVMFlag* f, const void* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| |
| // set a boolean global flag |
| static JVMFlag::Error set_bool_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| // set a int global flag |
| static JVMFlag::Error set_int_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| // set a uint global flag |
| static JVMFlag::Error set_uint_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| // set a intx global flag |
| static JVMFlag::Error set_intx_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| // set a uintx global flag |
| static JVMFlag::Error set_uintx_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| // set a uint64_t global flag |
| static JVMFlag::Error set_uint64_t_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| // set a size_t global flag using value from AttachOperation |
| static JVMFlag::Error set_size_t_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| // set a boolean global flag |
| static JVMFlag::Error set_bool_flag(const char* name, bool value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| // set a int global flag |
| static JVMFlag::Error set_int_flag(const char* name, int value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| // set a uint global flag |
| static JVMFlag::Error set_uint_flag(const char* name, uint value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| // set a intx global flag |
| static JVMFlag::Error set_intx_flag(const char* name, intx value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| // set a uintx global flag |
| static JVMFlag::Error set_uintx_flag(const char* name, uintx value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| // set a uint64_t global flag |
| static JVMFlag::Error set_uint64_t_flag(const char* name, uint64_t value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| // set a size_t global flag using value from AttachOperation |
| static JVMFlag::Error set_size_t_flag(const char* name, size_t value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| // set a string global flag |
| static JVMFlag::Error set_ccstr_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| |
| public: |
| /* sets a writeable flag to the provided value |
| * |
| * - return status is one of the WriteableFlags::err enum values |
| * - an eventual error message will be generated to the provided err_msg buffer |
| */ |
| static JVMFlag::Error set_flag(const char* flag_name, const char* flag_value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| |
| /* sets a writeable flag to the provided value |
| * |
| * - return status is one of the WriteableFlags::err enum values |
| * - an eventual error message will be generated to the provided err_msg buffer |
| */ |
| static JVMFlag::Error set_flag(const char* flag_name, jvalue flag_value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); |
| }; |
| |
| #endif /* SHARE_VM_SERVICES_WRITEABLEFLAG_HPP */ |