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48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
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// natFirstThread.cc - Implementation of FirstThread native methods.
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/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation
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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 <stdio.h>
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#include <stdlib.h>
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#include <gcj/cni.h>
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#include <jvm.h>
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#include <gnu/gcj/runtime/FirstThread.h>
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typedef void main_func (jobject);
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void
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gnu::gcj::runtime::FirstThread::call_main (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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_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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const char *msg = NULL;
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if (meth == NULL)
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msg = "no suitable method `main' in class";
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else if (! java::lang::reflect::Modifier::isStatic(meth->accflags))
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msg = "`main' must be static";
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else if (! java::lang::reflect::Modifier::isPublic(meth->accflags))
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msg = "`main' must be public";
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if (msg != NULL)
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{
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fprintf (stderr, "%s\n", msg);
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::exit(1);
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}
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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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