--- a/src/hotspot/share/runtime/flags/jvmFlag.hpp Thu Dec 07 12:25:09 2017 -0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,283 +0,0 @@
-/*
- * Copyright (c) 1997, 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_RUNTIME_FLAGS_JVMFLAG_HPP
-#define SHARE_VM_RUNTIME_FLAGS_JVMFLAG_HPP
-
-#include "utilities/globalDefinitions.hpp"
-#include "utilities/macros.hpp"
-
-// function type that will construct default range string
-typedef const char* (*RangeStrFunc)(void);
-
-struct JVMFlag {
- enum Flags {
- // latest value origin
- DEFAULT = 0,
- COMMAND_LINE = 1,
- ENVIRON_VAR = 2,
- CONFIG_FILE = 3,
- MANAGEMENT = 4,
- ERGONOMIC = 5,
- ATTACH_ON_DEMAND = 6,
- INTERNAL = 7,
-
- LAST_VALUE_ORIGIN = INTERNAL,
- VALUE_ORIGIN_BITS = 4,
- VALUE_ORIGIN_MASK = right_n_bits(VALUE_ORIGIN_BITS),
-
- // flag kind
- KIND_PRODUCT = 1 << 4,
- KIND_MANAGEABLE = 1 << 5,
- KIND_DIAGNOSTIC = 1 << 6,
- KIND_EXPERIMENTAL = 1 << 7,
- KIND_NOT_PRODUCT = 1 << 8,
- KIND_DEVELOP = 1 << 9,
- KIND_PLATFORM_DEPENDENT = 1 << 10,
- KIND_READ_WRITE = 1 << 11,
- KIND_C1 = 1 << 12,
- KIND_C2 = 1 << 13,
- KIND_ARCH = 1 << 14,
- KIND_LP64_PRODUCT = 1 << 15,
- KIND_COMMERCIAL = 1 << 16,
- KIND_JVMCI = 1 << 17,
-
- // set this bit if the flag was set on the command line
- ORIG_COMMAND_LINE = 1 << 18,
-
- KIND_MASK = ~(VALUE_ORIGIN_MASK | ORIG_COMMAND_LINE)
- };
-
- enum Error {
- // no error
- SUCCESS = 0,
- // flag name is missing
- MISSING_NAME,
- // flag value is missing
- MISSING_VALUE,
- // error parsing the textual form of the value
- WRONG_FORMAT,
- // flag is not writable
- NON_WRITABLE,
- // flag value is outside of its bounds
- OUT_OF_BOUNDS,
- // flag value violates its constraint
- VIOLATES_CONSTRAINT,
- // there is no flag with the given name
- INVALID_FLAG,
- // the flag can only be set only on command line during invocation of the VM
- COMMAND_LINE_ONLY,
- // the flag may only be set once
- SET_ONLY_ONCE,
- // the flag is not writable in this combination of product/debug build
- CONSTANT,
- // other, unspecified error related to setting the flag
- ERR_OTHER
- };
-
- enum MsgType {
- NONE = 0,
- DIAGNOSTIC_FLAG_BUT_LOCKED,
- EXPERIMENTAL_FLAG_BUT_LOCKED,
- DEVELOPER_FLAG_BUT_PRODUCT_BUILD,
- NOTPRODUCT_FLAG_BUT_PRODUCT_BUILD,
- COMMERCIAL_FLAG_BUT_DISABLED,
- COMMERCIAL_FLAG_BUT_LOCKED
- };
-
- const char* _type;
- const char* _name;
- void* _addr;
- NOT_PRODUCT(const char* _doc;)
- Flags _flags;
- size_t _name_len;
-
- // points to all Flags static array
- static JVMFlag* flags;
-
- // number of flags
- static size_t numFlags;
-
- static JVMFlag* find_flag(const char* name) { return find_flag(name, strlen(name), true, true); };
- static JVMFlag* find_flag(const char* name, size_t length, bool allow_locked = false, bool return_flag = false);
- static JVMFlag* fuzzy_match(const char* name, size_t length, bool allow_locked = false);
-
- static const char* get_int_default_range_str();
- static const char* get_uint_default_range_str();
- static const char* get_intx_default_range_str();
- static const char* get_uintx_default_range_str();
- static const char* get_uint64_t_default_range_str();
- static const char* get_size_t_default_range_str();
- static const char* get_double_default_range_str();
-
- JVMFlag::Error check_writable(bool changed);
-
- bool is_bool() const;
- bool get_bool() const;
- JVMFlag::Error set_bool(bool value);
-
- bool is_int() const;
- int get_int() const;
- JVMFlag::Error set_int(int value);
-
- bool is_uint() const;
- uint get_uint() const;
- JVMFlag::Error set_uint(uint value);
-
- bool is_intx() const;
- intx get_intx() const;
- JVMFlag::Error set_intx(intx value);
-
- bool is_uintx() const;
- uintx get_uintx() const;
- JVMFlag::Error set_uintx(uintx value);
-
- bool is_uint64_t() const;
- uint64_t get_uint64_t() const;
- JVMFlag::Error set_uint64_t(uint64_t value);
-
- bool is_size_t() const;
- size_t get_size_t() const;
- JVMFlag::Error set_size_t(size_t value);
-
- bool is_double() const;
- double get_double() const;
- JVMFlag::Error set_double(double value);
-
- bool is_ccstr() const;
- bool ccstr_accumulates() const;
- ccstr get_ccstr() const;
- JVMFlag::Error set_ccstr(ccstr value);
-
- Flags get_origin();
- void set_origin(Flags origin);
-
- size_t get_name_length();
-
- bool is_default();
- bool is_ergonomic();
- bool is_command_line();
- void set_command_line();
-
- bool is_product() const;
- bool is_manageable() const;
- bool is_diagnostic() const;
- bool is_experimental() const;
- bool is_notproduct() const;
- bool is_develop() const;
- bool is_read_write() const;
- bool is_commercial() const;
-
- bool is_constant_in_binary() const;
-
- bool is_unlocker() const;
- bool is_unlocked() const;
- bool is_writeable() const;
- bool is_external() const;
-
- bool is_unlocker_ext() const;
- bool is_unlocked_ext() const;
- bool is_writeable_ext() const;
- bool is_external_ext() const;
-
- void clear_diagnostic();
-
- JVMFlag::MsgType get_locked_message(char*, int) const;
- JVMFlag::MsgType get_locked_message_ext(char*, int) const;
-
- // printRanges will print out flags type, name and range values as expected by -XX:+PrintFlagsRanges
- void print_on(outputStream* st, bool withComments = false, bool printRanges = false);
- void print_kind(outputStream* st, unsigned int width);
- void print_origin(outputStream* st, unsigned int width);
- void print_as_flag(outputStream* st);
-
- static const char* flag_error_str(JVMFlag::Error error);
-
-public:
- static JVMFlag::Error boolAt(const char* name, size_t len, bool* value, bool allow_locked = false, bool return_flag = false);
- static JVMFlag::Error boolAt(const char* name, bool* value, bool allow_locked = false, bool return_flag = false) { return boolAt(name, strlen(name), value, allow_locked, return_flag); }
- static JVMFlag::Error boolAtPut(JVMFlag* flag, bool* value, JVMFlag::Flags origin);
- static JVMFlag::Error boolAtPut(const char* name, size_t len, bool* value, JVMFlag::Flags origin);
- static JVMFlag::Error boolAtPut(const char* name, bool* value, JVMFlag::Flags origin) { return boolAtPut(name, strlen(name), value, origin); }
-
- static JVMFlag::Error intAt(const char* name, size_t len, int* value, bool allow_locked = false, bool return_flag = false);
- static JVMFlag::Error intAt(const char* name, int* value, bool allow_locked = false, bool return_flag = false) { return intAt(name, strlen(name), value, allow_locked, return_flag); }
- static JVMFlag::Error intAtPut(JVMFlag* flag, int* value, JVMFlag::Flags origin);
- static JVMFlag::Error intAtPut(const char* name, size_t len, int* value, JVMFlag::Flags origin);
- static JVMFlag::Error intAtPut(const char* name, int* value, JVMFlag::Flags origin) { return intAtPut(name, strlen(name), value, origin); }
-
- static JVMFlag::Error uintAt(const char* name, size_t len, uint* value, bool allow_locked = false, bool return_flag = false);
- static JVMFlag::Error uintAt(const char* name, uint* value, bool allow_locked = false, bool return_flag = false) { return uintAt(name, strlen(name), value, allow_locked, return_flag); }
- static JVMFlag::Error uintAtPut(JVMFlag* flag, uint* value, JVMFlag::Flags origin);
- static JVMFlag::Error uintAtPut(const char* name, size_t len, uint* value, JVMFlag::Flags origin);
- static JVMFlag::Error uintAtPut(const char* name, uint* value, JVMFlag::Flags origin) { return uintAtPut(name, strlen(name), value, origin); }
-
- static JVMFlag::Error intxAt(const char* name, size_t len, intx* value, bool allow_locked = false, bool return_flag = false);
- static JVMFlag::Error intxAt(const char* name, intx* value, bool allow_locked = false, bool return_flag = false) { return intxAt(name, strlen(name), value, allow_locked, return_flag); }
- static JVMFlag::Error intxAtPut(JVMFlag* flag, intx* value, JVMFlag::Flags origin);
- static JVMFlag::Error intxAtPut(const char* name, size_t len, intx* value, JVMFlag::Flags origin);
- static JVMFlag::Error intxAtPut(const char* name, intx* value, JVMFlag::Flags origin) { return intxAtPut(name, strlen(name), value, origin); }
-
- static JVMFlag::Error uintxAt(const char* name, size_t len, uintx* value, bool allow_locked = false, bool return_flag = false);
- static JVMFlag::Error uintxAt(const char* name, uintx* value, bool allow_locked = false, bool return_flag = false) { return uintxAt(name, strlen(name), value, allow_locked, return_flag); }
- static JVMFlag::Error uintxAtPut(JVMFlag* flag, uintx* value, JVMFlag::Flags origin);
- static JVMFlag::Error uintxAtPut(const char* name, size_t len, uintx* value, JVMFlag::Flags origin);
- static JVMFlag::Error uintxAtPut(const char* name, uintx* value, JVMFlag::Flags origin) { return uintxAtPut(name, strlen(name), value, origin); }
-
- static JVMFlag::Error size_tAt(const char* name, size_t len, size_t* value, bool allow_locked = false, bool return_flag = false);
- static JVMFlag::Error size_tAt(const char* name, size_t* value, bool allow_locked = false, bool return_flag = false) { return size_tAt(name, strlen(name), value, allow_locked, return_flag); }
- static JVMFlag::Error size_tAtPut(JVMFlag* flag, size_t* value, JVMFlag::Flags origin);
- static JVMFlag::Error size_tAtPut(const char* name, size_t len, size_t* value, JVMFlag::Flags origin);
- static JVMFlag::Error size_tAtPut(const char* name, size_t* value, JVMFlag::Flags origin) { return size_tAtPut(name, strlen(name), value, origin); }
-
- static JVMFlag::Error uint64_tAt(const char* name, size_t len, uint64_t* value, bool allow_locked = false, bool return_flag = false);
- static JVMFlag::Error uint64_tAt(const char* name, uint64_t* value, bool allow_locked = false, bool return_flag = false) { return uint64_tAt(name, strlen(name), value, allow_locked, return_flag); }
- static JVMFlag::Error uint64_tAtPut(JVMFlag* flag, uint64_t* value, JVMFlag::Flags origin);
- static JVMFlag::Error uint64_tAtPut(const char* name, size_t len, uint64_t* value, JVMFlag::Flags origin);
- static JVMFlag::Error uint64_tAtPut(const char* name, uint64_t* value, JVMFlag::Flags origin) { return uint64_tAtPut(name, strlen(name), value, origin); }
-
- static JVMFlag::Error doubleAt(const char* name, size_t len, double* value, bool allow_locked = false, bool return_flag = false);
- static JVMFlag::Error doubleAt(const char* name, double* value, bool allow_locked = false, bool return_flag = false) { return doubleAt(name, strlen(name), value, allow_locked, return_flag); }
- static JVMFlag::Error doubleAtPut(JVMFlag* flag, double* value, JVMFlag::Flags origin);
- static JVMFlag::Error doubleAtPut(const char* name, size_t len, double* value, JVMFlag::Flags origin);
- static JVMFlag::Error doubleAtPut(const char* name, double* value, JVMFlag::Flags origin) { return doubleAtPut(name, strlen(name), value, origin); }
-
- static JVMFlag::Error ccstrAt(const char* name, size_t len, ccstr* value, bool allow_locked = false, bool return_flag = false);
- static JVMFlag::Error ccstrAt(const char* name, ccstr* value, bool allow_locked = false, bool return_flag = false) { return ccstrAt(name, strlen(name), value, allow_locked, return_flag); }
- // Contract: JVMFlag will make private copy of the incoming value.
- // Outgoing value is always malloc-ed, and caller MUST call free.
- static JVMFlag::Error ccstrAtPut(const char* name, size_t len, ccstr* value, JVMFlag::Flags origin);
- static JVMFlag::Error ccstrAtPut(const char* name, ccstr* value, JVMFlag::Flags origin) { return ccstrAtPut(name, strlen(name), value, origin); }
-
- // Returns false if name is not a command line flag.
- static bool wasSetOnCmdline(const char* name, bool* value);
- static void printSetFlags(outputStream* out);
-
- // printRanges will print out flags type, name and range values as expected by -XX:+PrintFlagsRanges
- static void printFlags(outputStream* out, bool withComments, bool printRanges = false);
-
- static void verify() PRODUCT_RETURN;
-};
-
-#endif // SHARE_VM_RUNTIME_FLAGS_JVMFLAG_HPP