ee9dd3721b
From-SVN: r26263
57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
// natFirstThread.cc - Implementation of FirstThread native methods.
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/* Copyright (C) 1998, 1999 Cygnus Solutions
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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#include <config.h>
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#include <stdlib.h>
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#include <cni.h>
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#include <jvm.h>
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#include <java/lang/FirstThread.h>
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#include <java/lang/Class.h>
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#include <java/lang/String.h>
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#include <java/lang/System.h>
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#include <java/lang/reflect/Modifier.h>
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#include <java/io/PrintStream.h>
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#define DIE(Message) die (JvNewStringLatin1 (Message))
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typedef void main_func (jobject);
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void
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java::lang::FirstThread::run (void)
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{
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Utf8Const* main_signature = _Jv_makeUtf8Const ("([Ljava.lang.String;)V", 22);
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Utf8Const* main_name = _Jv_makeUtf8Const ("main", 4);
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#if 0
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// Note: this turns out to be more painful than useful. Apparently
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// many people rely on being able to have main in a non-public
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// class.
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// This is based on my reading of 12.3.3.
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if (! java::lang::reflect::Modifier::isPublic(klass->getModifiers()))
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DIE ("class must be public");
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#endif
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_Jv_Method *meth = _Jv_GetMethodLocal (klass, main_name, main_signature);
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// Some checks from Java Spec section 12.1.4.
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if (meth == NULL)
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DIE ("no suitable method `main' in class");
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if (! java::lang::reflect::Modifier::isStatic(meth->accflags))
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DIE ("`main' must be static");
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if (! java::lang::reflect::Modifier::isPublic(meth->accflags))
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DIE ("`main' must be public");
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main_func *real_main = (main_func *) meth->ncode;
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(*real_main) (args);
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}
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