/*

 * Copyright (c) 2015, 2016, 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.

 *

 */

#include "precompiled.hpp"

#include "runtime/flags/jvmFlagWriteableList.hpp"

#include "runtime/os.hpp"

#ifdef COMPILER1

#include "c1/c1_globals.hpp"

#endif // COMPILER1

#ifdef COMPILER2

#include "opto/c2_globals.hpp"

#endif // COMPILER2

#if INCLUDE_JVMCI

#include "jvmci/jvmci_globals.hpp"

#endif

bool JVMFlagWriteable::is_writeable(void) {

  return _writeable;

}

void JVMFlagWriteable::mark_once(void) {

  if (_type == Once) {

    _writeable = false;

  }

}

void JVMFlagWriteable::mark_startup(void) {

  if (_type == JVMFlagWriteable::CommandLineOnly) {

    _writeable = false;

  }

}

// No control emitting

void emit_writeable_no(...)                         { /* NOP */ }

// No control emitting if type argument is NOT provided

void emit_writeable_bool(const char* /*name*/)      { /* NOP */ }

void emit_writeable_ccstr(const char* /*name*/)     { /* NOP */ }

void emit_writeable_ccstrlist(const char* /*name*/) { /* NOP */ }

void emit_writeable_int(const char* /*name*/)       { /* NOP */ }

void emit_writeable_intx(const char* /*name*/)      { /* NOP */ }

void emit_writeable_uint(const char* /*name*/)      { /* NOP */ }

void emit_writeable_uintx(const char* /*name*/)     { /* NOP */ }

void emit_writeable_uint64_t(const char* /*name*/)  { /* NOP */ }

void emit_writeable_size_t(const char* /*name*/)    { /* NOP */ }

void emit_writeable_double(const char* /*name*/)    { /* NOP */ }

// JVMFlagWriteable emitting code functions if range arguments are provided

void emit_writeable_bool(const char* name, JVMFlagWriteable::WriteableType type) {

  JVMFlagWriteableList::add(new JVMFlagWriteable(name, type));

}

void emit_writeable_int(const char* name, JVMFlagWriteable::WriteableType type) {

  JVMFlagWriteableList::add(new JVMFlagWriteable(name, type));

}

void emit_writeable_intx(const char* name, JVMFlagWriteable::WriteableType type) {

  JVMFlagWriteableList::add(new JVMFlagWriteable(name, type));

}

void emit_writeable_uint(const char* name, JVMFlagWriteable::WriteableType type) {

  JVMFlagWriteableList::add(new JVMFlagWriteable(name, type));

}

void emit_writeable_uintx(const char* name, JVMFlagWriteable::WriteableType type) {

  JVMFlagWriteableList::add(new JVMFlagWriteable(name, type));

}

void emit_writeable_uint64_t(const char* name, JVMFlagWriteable::WriteableType type) {

  JVMFlagWriteableList::add(new JVMFlagWriteable(name, type));

}

void emit_writeable_size_t(const char* name, JVMFlagWriteable::WriteableType type) {

  JVMFlagWriteableList::add(new JVMFlagWriteable(name, type));

}

void emit_writeable_double(const char* name, JVMFlagWriteable::WriteableType type) {

  JVMFlagWriteableList::add(new JVMFlagWriteable(name, type));

}

// Generate code to call emit_writeable_xxx function

#define EMIT_WRITEABLE_PRODUCT_FLAG(type, name, value, doc)      ); emit_writeable_##type(#name

#define EMIT_WRITEABLE_COMMERCIAL_FLAG(type, name, value, doc)   ); emit_writeable_##type(#name

#define EMIT_WRITEABLE_DIAGNOSTIC_FLAG(type, name, value, doc)   ); emit_writeable_##type(#name

#define EMIT_WRITEABLE_EXPERIMENTAL_FLAG(type, name, value, doc) ); emit_writeable_##type(#name

#define EMIT_WRITEABLE_MANAGEABLE_FLAG(type, name, value, doc)   ); emit_writeable_##type(#name

#define EMIT_WRITEABLE_PRODUCT_RW_FLAG(type, name, value, doc)   ); emit_writeable_##type(#name

#define EMIT_WRITEABLE_PD_PRODUCT_FLAG(type, name, doc)          ); emit_writeable_##type(#name

#define EMIT_WRITEABLE_DEVELOPER_FLAG(type, name, value, doc)    ); emit_writeable_##type(#name

#define EMIT_WRITEABLE_PD_DEVELOPER_FLAG(type, name, doc)        ); emit_writeable_##type(#name

#define EMIT_WRITEABLE_PD_DIAGNOSTIC_FLAG(type, name, doc)       ); emit_writeable_##type(#name

#define EMIT_WRITEABLE_NOTPRODUCT_FLAG(type, name, value, doc)   ); emit_writeable_##type(#name

#define EMIT_WRITEABLE_LP64_PRODUCT_FLAG(type, name, value, doc) ); emit_writeable_##type(#name

// Generate type argument to pass into emit_writeable_xxx functions

#define EMIT_WRITEABLE(a)                                      , JVMFlagWriteable::a

#define INITIAL_WRITEABLES_SIZE 2

GrowableArray<JVMFlagWriteable*>* JVMFlagWriteableList::_controls = NULL;

void JVMFlagWriteableList::init(void) {

  _controls = new (ResourceObj::C_HEAP, mtArguments) GrowableArray<JVMFlagWriteable*>(INITIAL_WRITEABLES_SIZE, true);

  emit_writeable_no(NULL VM_FLAGS(EMIT_WRITEABLE_DEVELOPER_FLAG,

                                  EMIT_WRITEABLE_PD_DEVELOPER_FLAG,

                                  EMIT_WRITEABLE_PRODUCT_FLAG,

                                  EMIT_WRITEABLE_PD_PRODUCT_FLAG,

                                  EMIT_WRITEABLE_DIAGNOSTIC_FLAG,

                                  EMIT_WRITEABLE_PD_DIAGNOSTIC_FLAG,

                                  EMIT_WRITEABLE_EXPERIMENTAL_FLAG,

                                  EMIT_WRITEABLE_NOTPRODUCT_FLAG,

                                  EMIT_WRITEABLE_MANAGEABLE_FLAG,

                                  EMIT_WRITEABLE_PRODUCT_RW_FLAG,

                                  EMIT_WRITEABLE_LP64_PRODUCT_FLAG,

                                  IGNORE_RANGE,

                                  IGNORE_CONSTRAINT,

                                  EMIT_WRITEABLE));

  EMIT_WRITEABLES_FOR_GLOBALS_EXT

  emit_writeable_no(NULL ARCH_FLAGS(EMIT_WRITEABLE_DEVELOPER_FLAG,

                                EMIT_WRITEABLE_PRODUCT_FLAG,

                                EMIT_WRITEABLE_DIAGNOSTIC_FLAG,

                                EMIT_WRITEABLE_EXPERIMENTAL_FLAG,

                                EMIT_WRITEABLE_NOTPRODUCT_FLAG,

                                IGNORE_RANGE,

                                IGNORE_CONSTRAINT,

                                EMIT_WRITEABLE));

#if INCLUDE_JVMCI

  emit_writeable_no(NULL JVMCI_FLAGS(EMIT_WRITEABLE_DEVELOPER_FLAG,

                                 EMIT_WRITEABLE_PD_DEVELOPER_FLAG,

                                 EMIT_WRITEABLE_PRODUCT_FLAG,

                                 EMIT_WRITEABLE_PD_PRODUCT_FLAG,

                                 EMIT_WRITEABLE_DIAGNOSTIC_FLAG,

                                 EMIT_WRITEABLE_PD_DIAGNOSTIC_FLAG,

                                 EMIT_WRITEABLE_EXPERIMENTAL_FLAG,

                                 EMIT_WRITEABLE_NOTPRODUCT_FLAG,

                                 IGNORE_RANGE,

                                 IGNORE_CONSTRAINT,

                                 EMIT_WRITEABLE));

#endif // INCLUDE_JVMCI

#ifdef COMPILER1

  emit_writeable_no(NULL C1_FLAGS(EMIT_WRITEABLE_DEVELOPER_FLAG,

                              EMIT_WRITEABLE_PD_DEVELOPER_FLAG,

                              EMIT_WRITEABLE_PRODUCT_FLAG,

                              EMIT_WRITEABLE_PD_PRODUCT_FLAG,

                              EMIT_WRITEABLE_DIAGNOSTIC_FLAG,

                              EMIT_WRITEABLE_PD_DIAGNOSTIC_FLAG,

                              EMIT_WRITEABLE_NOTPRODUCT_FLAG,

                              IGNORE_RANGE,

                              IGNORE_CONSTRAINT,

                              EMIT_WRITEABLE));

#endif // COMPILER1

#ifdef COMPILER2

  emit_writeable_no(NULL C2_FLAGS(EMIT_WRITEABLE_DEVELOPER_FLAG,

                              EMIT_WRITEABLE_PD_DEVELOPER_FLAG,

                              EMIT_WRITEABLE_PRODUCT_FLAG,

                              EMIT_WRITEABLE_PD_PRODUCT_FLAG,

                              EMIT_WRITEABLE_DIAGNOSTIC_FLAG,

                              EMIT_WRITEABLE_PD_DIAGNOSTIC_FLAG,

                              EMIT_WRITEABLE_EXPERIMENTAL_FLAG,

                              EMIT_WRITEABLE_NOTPRODUCT_FLAG,

                              IGNORE_RANGE,

                              IGNORE_CONSTRAINT,

                              EMIT_WRITEABLE));

#endif // COMPILER2

}

JVMFlagWriteable* JVMFlagWriteableList::find(const char* name) {

  JVMFlagWriteable* found = NULL;

  for (int i=0; i<length(); i++) {

    JVMFlagWriteable* writeable = at(i);

    if (strcmp(writeable->name(), name) == 0) {

      found = writeable;

      break;

    }

  }

  return found;

}

void JVMFlagWriteableList::mark_startup(void) {

  for (int i=0; i<length(); i++) {

    JVMFlagWriteable* writeable = at(i);

    writeable->mark_startup();

  }

}