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gij-4.2 (1)
  • >> gij-4.2 (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
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    NAME

    gij - GNU interpreter for Java bytecode
     
    

    SYNOPSIS

    gij [OPTION] ... JARFILE [ARGS...]

    gij [-jar] [OPTION] ... CLASS [ARGS...]
      [-cp path] [-classpath path]
      [-Dname[=value]...]
      [-ms=number] [-mx=number]
      [-Xargument] [-verbose] [-verbose:class]
      [--showversion] [--version] [--help][-?]  

    DESCRIPTION

    "gij" is a Java bytecode interpreter included with "libgcj". "gij" is not available on every platform; porting it requires a small amount of assembly programming which has not been done for all the targets supported by gcj.

    The primary argument to "gij" is the name of a class or, with "-jar", a jar file. Options before this argument are interpreted by "gij"; remaining options are passed to the interpreted program.

    If a class name is specified and this class does not have a "main" method with the appropriate signature (a "static void" method with a "String[]" as its sole argument), then "gij" will print an error and exit.

    If a jar file is specified then "gij" will use information in it to determine which class' "main" method will be invoked.

    "gij" will invoke the "main" method with all the remaining command-line options.

    Note that "gij" is not limited to interpreting code. Because "libgcj" includes a class loader which can dynamically load shared objects, it is possible to give "gij" the name of a class which has been compiled and put into a shared library on the class path.  

    OPTIONS

    -cp path
    -classpath path
    Set the initial class path. The class path is used for finding class and resource files. If specified, this option overrides the "CLASSPATH" environment variable. Note that this option is ignored if "-jar" is used.
    -Dname[=value]
    This defines a system property named name with value value. If value is not specified then it defaults to the empty string. These system properties are initialized at the program's startup and can be retrieved at runtime using the "java.lang.System.getProperty" method.
    -ms=number
    Equivalent to "-Xms".
    -mx=number
    Equivalent to "-Xmx".
    -noverify
    Do not verify compliance of bytecode with the VM specification. In addition, this option disables type verification which is otherwise performed on BC-ABI compiled code.
    -X
    -Xargument
    Supplying "-X" by itself will cause "gij" to list all the supported "-X" options. Currently these options are supported:
    -Xmssize
    Set the initial heap size.
    -Xmxsize
    Set the maximum heap size.
    -Xsssize
    Set the thread stack size.

    Unrecognized "-X" options are ignored, for compatibility with other runtimes.

    -jar
    This indicates that the name passed to "gij" should be interpreted as the name of a jar file, not a class.
    --help
    -?
    Print help, then exit.
    --showversion
    Print version number and continue.
    --fullversion
    Print detailed version information, then exit.
    --version
    Print version number, then exit.
    -verbose
    -verbose:class
    Each time a class is initialized, print a short message on standard error.

    "gij" also recognizes and ignores the following options, for compatibility with existing application launch scripts: "-client", "-server", "-hotspot", "-jrockit", "-agentlib", "-agentpath", "-debug", "-d32", "-d64", "-javaagent", "-noclassgc", "-verify", and "-verifyremote".  

    SEE ALSO

    gcc(1), gcj(1), gcjh(1), jcf-dump(1), gfdl(7), and the Info entries for gcj and gcc. gcc(1), gcj(1), gcjh(1), jcf-dump(1), gfdl(7), and the Info entries for gcj and gcc.  

    COPYRIGHT

    Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.

    Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with the Invariant Sections being ``GNU General Public License'', the Front-Cover texts being (a) (see below), and with the Back-Cover Texts being (b) (see below). A copy of the license is included in the man page gfdl(7).

    (a) The FSF's Front-Cover Text is:

         A GNU Manual
    
    

    (b) The FSF's Back-Cover Text is:

         You have freedom to copy and modify this GNU Manual, like GNU
         software.  Copies published by the Free Software Foundation raise
         funds for GNU development.
    
    


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    OPTIONS
    SEE ALSO
    COPYRIGHT


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