7af8555855
* java/lang/Runtime.java (loadLibraryInternal): Declare. * java/lang/natClassLoader.cc (_Jv_FindClass): Removed dead copy. (_Jv_FindClassInCache): Likewise. (_Jv_FindClass): Don't conditionalize body on INTERPRETER. (findSystemClass): Try to load class from compiled module. Include Runtime.h. * java/lang/natRuntime.cc (load): Use UTF-8 copy of filename. (loadLibrary): Likewise. (lt_preloaded_symbols): Define. (loadLibraryInternal): New method. * include/config.h.in: Rebuilt. * acconfig.h (USE_LTDL): Added. * Makefile.am (SUBDIRS): Added $(DIRLTDL). (INCLUDES): Added $(INCLTDL).b (libgcj_la_DEPENDENCIES): Added $(LIBLTDL). (libgcj_la_LIBADD): Likewise. * aclocal.m4, configure: Rebuilt. * configure.in: Added libltdl support. From-SVN: r31472
153 lines
3.2 KiB
C++
153 lines
3.2 KiB
C++
// natRuntime.cc - Implementation of native side of Runtime class.
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/* Copyright (C) 1998, 1999, 2000 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 <gcj/cni.h>
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#include <jvm.h>
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#include <java/lang/Runtime.h>
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#include <java/lang/UnknownError.h>
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#include <java/lang/UnsatisfiedLinkError.h>
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#ifdef USE_LTDL
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#include <ltdl.h>
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/* FIXME: we don't always need this. The next libtool will let us use
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AC_LTDL_PREOPEN to see if we do. */
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const lt_dlsymlist lt_preloaded_symbols[1] = { { 0, 0 } };
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#endif
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void
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java::lang::Runtime::exit (jint status)
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{
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checkExit (status);
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// Make status right for Unix. This is perhaps strange.
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if (status < 0 || status > 255)
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status = 255;
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if (finalize_on_exit)
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_Jv_RunAllFinalizers ();
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::exit (status);
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}
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jlong
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java::lang::Runtime::freeMemory (void)
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{
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return _Jv_GCFreeMemory ();
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}
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void
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java::lang::Runtime::gc (void)
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{
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_Jv_RunGC ();
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}
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void
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java::lang::Runtime::load (jstring path)
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{
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JvSynchronize sync (this);
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checkLink (path);
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using namespace java::lang;
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#ifdef USE_LTDL
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jint len = _Jv_GetStringUTFLength (path);
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char buf[len + 1];
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jsize total = JvGetStringUTFRegion (path, 0, path->length(), buf);
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buf[total] = '\0';
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// FIXME: make sure path is absolute.
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lt_dlhandle h = lt_dlopen (buf);
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if (h == NULL)
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{
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const char *msg = lt_dlerror ();
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_Jv_Throw (new UnsatisfiedLinkError (JvNewStringLatin1 (msg)));
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}
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#else
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_Jv_Throw (new UnknownError
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(JvNewStringLatin1 ("Runtime.load not implemented")));
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#endif /* USE_LTDL */
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}
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void
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java::lang::Runtime::loadLibrary (jstring lib)
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{
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JvSynchronize sync (this);
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checkLink (lib);
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using namespace java::lang;
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#ifdef USE_LTDL
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jint len = _Jv_GetStringUTFLength (lib);
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char buf[len + 1];
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jsize total = JvGetStringUTFRegion (lib, 0, lib->length(), buf);
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buf[total] = '\0';
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// FIXME: make sure path is absolute.
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lt_dlhandle h = lt_dlopenext (buf);
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if (h == NULL)
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{
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const char *msg = lt_dlerror ();
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_Jv_Throw (new UnsatisfiedLinkError (JvNewStringLatin1 (msg)));
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}
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#else
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_Jv_Throw (new UnknownError
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(JvNewStringLatin1 ("Runtime.loadLibrary not implemented")));
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#endif /* USE_LTDL */
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}
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jboolean
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java::lang::Runtime::loadLibraryInternal (jstring lib)
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{
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JvSynchronize sync (this);
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using namespace java::lang;
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#ifdef USE_LTDL
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jint len = _Jv_GetStringUTFLength (lib);
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char buf[len + 1];
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jsize total = JvGetStringUTFRegion (lib, 0, lib->length(), buf);
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buf[total] = '\0';
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// FIXME: make sure path is absolute.
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lt_dlhandle h = lt_dlopenext (buf);
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return h != NULL;
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#else
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return false;
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#endif /* USE_LTDL */
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}
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void
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java::lang::Runtime::init (void)
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{
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finalize_on_exit = false;
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#ifdef USE_LTDL
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lt_dlinit ();
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#endif
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}
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void
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java::lang::Runtime::runFinalization (void)
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{
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_Jv_RunFinalizers ();
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}
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jlong
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java::lang::Runtime::totalMemory (void)
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{
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return _Jv_GCTotalMemory ();
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}
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void
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java::lang::Runtime::traceInstructions (jboolean)
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{
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// Do nothing.
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}
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void
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java::lang::Runtime::traceMethodCalls (jboolean)
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{
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// Do nothing.
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}
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