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src/hotspot/share/runtime/arguments.cpp

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   1 /*
   2  * Copyright (c) 1997, 2019, 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  *


  25 #include "precompiled.hpp"
  26 #include "jvm.h"
  27 #include "classfile/classLoader.hpp"
  28 #include "classfile/javaAssertions.hpp"
  29 #include "classfile/moduleEntry.hpp"
  30 #include "classfile/stringTable.hpp"
  31 #include "classfile/symbolTable.hpp"
  32 #include "gc/shared/gcArguments.hpp"
  33 #include "gc/shared/gcConfig.hpp"
  34 #include "logging/log.hpp"
  35 #include "logging/logConfiguration.hpp"
  36 #include "logging/logStream.hpp"
  37 #include "logging/logTag.hpp"
  38 #include "memory/allocation.inline.hpp"
  39 #include "memory/filemap.hpp"
  40 #include "oops/oop.inline.hpp"
  41 #include "prims/jvmtiExport.hpp"
  42 #include "runtime/arguments.hpp"
  43 #include "runtime/flags/jvmFlag.hpp"
  44 #include "runtime/flags/jvmFlagConstraintList.hpp"
  45 #include "runtime/flags/jvmFlagWriteableList.hpp"
  46 #include "runtime/flags/jvmFlagRangeList.hpp"
  47 #include "runtime/globals_extension.hpp"
  48 #include "runtime/java.hpp"
  49 #include "runtime/os.inline.hpp"
  50 #include "runtime/safepoint.hpp"
  51 #include "runtime/safepointMechanism.hpp"
  52 #include "runtime/vm_version.hpp"
  53 #include "services/management.hpp"
  54 #include "services/memTracker.hpp"
  55 #include "utilities/align.hpp"
  56 #include "utilities/defaultStream.hpp"
  57 #include "utilities/macros.hpp"
  58 #include "utilities/stringUtils.hpp"
  59 #if INCLUDE_JFR
  60 #include "jfr/jfr.hpp"
  61 #endif
  62 
  63 #define DEFAULT_JAVA_LAUNCHER  "generic"
  64 
  65 char*  Arguments::_jvm_flags_file               = NULL;


3802     // -Xloggc was used to specify a filename
3803     const char* gc_conf = PrintGCDetails ? "gc*" : "gc";
3804 
3805     LogTarget(Error, logging) target;
3806     LogStream errstream(target);
3807     return LogConfiguration::parse_log_arguments(_gc_log_filename, gc_conf, NULL, NULL, &errstream);
3808   } else if (PrintGC || PrintGCDetails) {
3809     LogConfiguration::configure_stdout(LogLevel::Info, !PrintGCDetails, LOG_TAGS(gc));
3810   }
3811   return true;
3812 }
3813 
3814 // Parse entry point called from JNI_CreateJavaVM
3815 
3816 jint Arguments::parse(const JavaVMInitArgs* initial_cmd_args) {
3817   assert(verify_special_jvm_flags(), "deprecated and obsolete flag table inconsistent");
3818 
3819   // Initialize ranges, constraints and writeables
3820   JVMFlagRangeList::init();
3821   JVMFlagConstraintList::init();
3822   JVMFlagWriteableList::init();
3823 
3824   // If flag "-XX:Flags=flags-file" is used it will be the first option to be processed.
3825   const char* hotspotrc = ".hotspotrc";
3826   bool settings_file_specified = false;
3827   bool needs_hotspotrc_warning = false;
3828   ScopedVMInitArgs initial_vm_options_args("");
3829   ScopedVMInitArgs initial_java_tool_options_args("env_var='JAVA_TOOL_OPTIONS'");
3830   ScopedVMInitArgs initial_java_options_args("env_var='_JAVA_OPTIONS'");
3831 
3832   // Pointers to current working set of containers
3833   JavaVMInitArgs* cur_cmd_args;
3834   JavaVMInitArgs* cur_vm_options_args;
3835   JavaVMInitArgs* cur_java_options_args;
3836   JavaVMInitArgs* cur_java_tool_options_args;
3837 
3838   // Containers for modified/expanded options
3839   ScopedVMInitArgs mod_cmd_args("cmd_line_args");
3840   ScopedVMInitArgs mod_vm_options_args("vm_options_args");
3841   ScopedVMInitArgs mod_java_tool_options_args("env_var='JAVA_TOOL_OPTIONS'");
3842   ScopedVMInitArgs mod_java_options_args("env_var='_JAVA_OPTIONS'");


   1 /*
   2  * Copyright (c) 1997, 2020, 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  *


  25 #include "precompiled.hpp"
  26 #include "jvm.h"
  27 #include "classfile/classLoader.hpp"
  28 #include "classfile/javaAssertions.hpp"
  29 #include "classfile/moduleEntry.hpp"
  30 #include "classfile/stringTable.hpp"
  31 #include "classfile/symbolTable.hpp"
  32 #include "gc/shared/gcArguments.hpp"
  33 #include "gc/shared/gcConfig.hpp"
  34 #include "logging/log.hpp"
  35 #include "logging/logConfiguration.hpp"
  36 #include "logging/logStream.hpp"
  37 #include "logging/logTag.hpp"
  38 #include "memory/allocation.inline.hpp"
  39 #include "memory/filemap.hpp"
  40 #include "oops/oop.inline.hpp"
  41 #include "prims/jvmtiExport.hpp"
  42 #include "runtime/arguments.hpp"
  43 #include "runtime/flags/jvmFlag.hpp"
  44 #include "runtime/flags/jvmFlagConstraintList.hpp"

  45 #include "runtime/flags/jvmFlagRangeList.hpp"
  46 #include "runtime/globals_extension.hpp"
  47 #include "runtime/java.hpp"
  48 #include "runtime/os.inline.hpp"
  49 #include "runtime/safepoint.hpp"
  50 #include "runtime/safepointMechanism.hpp"
  51 #include "runtime/vm_version.hpp"
  52 #include "services/management.hpp"
  53 #include "services/memTracker.hpp"
  54 #include "utilities/align.hpp"
  55 #include "utilities/defaultStream.hpp"
  56 #include "utilities/macros.hpp"
  57 #include "utilities/stringUtils.hpp"
  58 #if INCLUDE_JFR
  59 #include "jfr/jfr.hpp"
  60 #endif
  61 
  62 #define DEFAULT_JAVA_LAUNCHER  "generic"
  63 
  64 char*  Arguments::_jvm_flags_file               = NULL;


3801     // -Xloggc was used to specify a filename
3802     const char* gc_conf = PrintGCDetails ? "gc*" : "gc";
3803 
3804     LogTarget(Error, logging) target;
3805     LogStream errstream(target);
3806     return LogConfiguration::parse_log_arguments(_gc_log_filename, gc_conf, NULL, NULL, &errstream);
3807   } else if (PrintGC || PrintGCDetails) {
3808     LogConfiguration::configure_stdout(LogLevel::Info, !PrintGCDetails, LOG_TAGS(gc));
3809   }
3810   return true;
3811 }
3812 
3813 // Parse entry point called from JNI_CreateJavaVM
3814 
3815 jint Arguments::parse(const JavaVMInitArgs* initial_cmd_args) {
3816   assert(verify_special_jvm_flags(), "deprecated and obsolete flag table inconsistent");
3817 
3818   // Initialize ranges, constraints and writeables
3819   JVMFlagRangeList::init();
3820   JVMFlagConstraintList::init();

3821 
3822   // If flag "-XX:Flags=flags-file" is used it will be the first option to be processed.
3823   const char* hotspotrc = ".hotspotrc";
3824   bool settings_file_specified = false;
3825   bool needs_hotspotrc_warning = false;
3826   ScopedVMInitArgs initial_vm_options_args("");
3827   ScopedVMInitArgs initial_java_tool_options_args("env_var='JAVA_TOOL_OPTIONS'");
3828   ScopedVMInitArgs initial_java_options_args("env_var='_JAVA_OPTIONS'");
3829 
3830   // Pointers to current working set of containers
3831   JavaVMInitArgs* cur_cmd_args;
3832   JavaVMInitArgs* cur_vm_options_args;
3833   JavaVMInitArgs* cur_java_options_args;
3834   JavaVMInitArgs* cur_java_tool_options_args;
3835 
3836   // Containers for modified/expanded options
3837   ScopedVMInitArgs mod_cmd_args("cmd_line_args");
3838   ScopedVMInitArgs mod_vm_options_args("vm_options_args");
3839   ScopedVMInitArgs mod_java_tool_options_args("env_var='JAVA_TOOL_OPTIONS'");
3840   ScopedVMInitArgs mod_java_options_args("env_var='_JAVA_OPTIONS'");


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