1 /* 2 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_VM_SERVICES_WRITEABLEFLAG_HPP 26 #define SHARE_VM_SERVICES_WRITEABLEFLAG_HPP 27 28 #include "runtime/globals.hpp" 29 #include "utilities/formatBuffer.hpp" 30 31 class WriteableFlags : AllStatic { 32 private: 33 // a writeable flag setter accepting either 'jvalue' or 'char *' values 34 static Flag::Error set_flag(const char* name, const void* value, Flag::Error(*setter)(Flag*, const void*, Flag::Flags, FormatBuffer<80>&), Flag::Flags origin, FormatBuffer<80>& err_msg); 35 // a writeable flag setter accepting 'char *' values 36 static Flag::Error set_flag_from_char(Flag* f, const void* value, Flag::Flags origin, FormatBuffer<80>& err_msg); 37 // a writeable flag setter accepting 'jvalue' values 38 static Flag::Error set_flag_from_jvalue(Flag* f, const void* value, Flag::Flags origin, FormatBuffer<80>& err_msg); 39 40 // set a boolean global flag 41 static Flag::Error set_bool_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg); 42 // set a int global flag 43 static Flag::Error set_int_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg); 44 // set a uint global flag 45 static Flag::Error set_uint_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg); 46 // set a intx global flag 47 static Flag::Error set_intx_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg); 48 // set a uintx global flag 49 static Flag::Error set_uintx_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg); 50 // set a uint64_t global flag 51 static Flag::Error set_uint64_t_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg); 52 // set a size_t global flag using value from AttachOperation 53 static Flag::Error set_size_t_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg); 54 // set a boolean global flag 55 static Flag::Error set_bool_flag(const char* name, bool value, Flag::Flags origin, FormatBuffer<80>& err_msg); 56 // set a int global flag 57 static Flag::Error set_int_flag(const char* name, int value, Flag::Flags origin, FormatBuffer<80>& err_msg); 58 // set a uint global flag 59 static Flag::Error set_uint_flag(const char* name, uint value, Flag::Flags origin, FormatBuffer<80>& err_msg); 60 // set a intx global flag 61 static Flag::Error set_intx_flag(const char* name, intx value, Flag::Flags origin, FormatBuffer<80>& err_msg); 62 // set a uintx global flag 63 static Flag::Error set_uintx_flag(const char* name, uintx value, Flag::Flags origin, FormatBuffer<80>& err_msg); 64 // set a uint64_t global flag 65 static Flag::Error set_uint64_t_flag(const char* name, uint64_t value, Flag::Flags origin, FormatBuffer<80>& err_msg); 66 // set a size_t global flag using value from AttachOperation 67 static Flag::Error set_size_t_flag(const char* name, size_t value, Flag::Flags origin, FormatBuffer<80>& err_msg); 68 // set a string global flag 69 static Flag::Error set_ccstr_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg); 70 71 public: 72 /* sets a writeable flag to the provided value 73 * 74 * - return status is one of the WriteableFlags::err enum values 75 * - an eventual error message will be generated to the provided err_msg buffer 76 */ 77 static Flag::Error set_flag(const char* flag_name, const char* flag_value, Flag::Flags origin, FormatBuffer<80>& err_msg); 78 79 /* sets a writeable flag to the provided value 80 * 81 * - return status is one of the WriteableFlags::err enum values 82 * - an eventual error message will be generated to the provided err_msg buffer 83 */ 84 static Flag::Error set_flag(const char* flag_name, jvalue flag_value, Flag::Flags origin, FormatBuffer<80>& err_msg); 85 }; 86 87 #endif /* SHARE_VM_SERVICES_WRITEABLEFLAG_HPP */ | 1 /* 2 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_VM_SERVICES_WRITEABLEFLAG_HPP 26 #define SHARE_VM_SERVICES_WRITEABLEFLAG_HPP 27 28 #include "runtime/globals.hpp" 29 #include "utilities/formatBuffer.hpp" 30 31 class WriteableFlags : AllStatic { 32 private: 33 // a writeable flag setter accepting either 'jvalue' or 'char *' values 34 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); 35 // a writeable flag setter accepting 'char *' values 36 static JVMFlag::Error set_flag_from_char(JVMFlag* f, const void* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 37 // a writeable flag setter accepting 'jvalue' values 38 static JVMFlag::Error set_flag_from_jvalue(JVMFlag* f, const void* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 39 40 // set a boolean global flag 41 static JVMFlag::Error set_bool_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 42 // set a int global flag 43 static JVMFlag::Error set_int_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 44 // set a uint global flag 45 static JVMFlag::Error set_uint_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 46 // set a intx global flag 47 static JVMFlag::Error set_intx_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 48 // set a uintx global flag 49 static JVMFlag::Error set_uintx_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 50 // set a uint64_t global flag 51 static JVMFlag::Error set_uint64_t_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 52 // set a size_t global flag using value from AttachOperation 53 static JVMFlag::Error set_size_t_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 54 // set a boolean global flag 55 static JVMFlag::Error set_bool_flag(const char* name, bool value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 56 // set a int global flag 57 static JVMFlag::Error set_int_flag(const char* name, int value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 58 // set a uint global flag 59 static JVMFlag::Error set_uint_flag(const char* name, uint value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 60 // set a intx global flag 61 static JVMFlag::Error set_intx_flag(const char* name, intx value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 62 // set a uintx global flag 63 static JVMFlag::Error set_uintx_flag(const char* name, uintx value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 64 // set a uint64_t global flag 65 static JVMFlag::Error set_uint64_t_flag(const char* name, uint64_t value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 66 // set a size_t global flag using value from AttachOperation 67 static JVMFlag::Error set_size_t_flag(const char* name, size_t value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 68 // set a string global flag 69 static JVMFlag::Error set_ccstr_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 70 71 public: 72 /* sets a writeable flag to the provided value 73 * 74 * - return status is one of the WriteableFlags::err enum values 75 * - an eventual error message will be generated to the provided err_msg buffer 76 */ 77 static JVMFlag::Error set_flag(const char* flag_name, const char* flag_value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 78 79 /* sets a writeable flag to the provided value 80 * 81 * - return status is one of the WriteableFlags::err enum values 82 * - an eventual error message will be generated to the provided err_msg buffer 83 */ 84 static JVMFlag::Error set_flag(const char* flag_name, jvalue flag_value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg); 85 }; 86 87 #endif /* SHARE_VM_SERVICES_WRITEABLEFLAG_HPP */ |