thirdparty/scummvm
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PLUGINS: Move platform specific code out of the generic ELF loader.

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Instead overwrite pure virtual functions in a backend specific class.

svn-id: r52556
This commit is contained in:
Andre Heider 2010-09-05 12:52:17 +00:00
parent 86f4dbd956
commit c4a88559a5
16 changed files with 363 additions and 106 deletions
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75
backends/plugins/ds/ds-provider.cpp Normal file
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@ -0,0 +1,75 @@
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#if defined(DYNAMIC_MODULES) && defined(__DS__)
#include <malloc.h>
#include <nds.h>
#include "backends/plugins/ds/ds-provider.h"
#include "backends/plugins/elf/arm-loader.h"
class DSDLObject : public ARMDLObject {
public:
DSDLObject() :
ARMDLObject() {
}
virtual ~DSDLObject() {
unload();
}
protected:
virtual void *allocSegment(size_t boundary, size_t size) const {
return memalign(boundary, size);
}
virtual void freeSegment(void *segment) const {
free(segment);
}
virtual void flushDataCache(void *ptr, uint32 len) const {
DC_FlushRange(ptr, len);
IC_InvalidateRange(ptr, len);
}
};
class DSPlugin : public ELFPlugin {
public:
DSPlugin(const Common::String &filename) :
ELFPlugin(filename) {
}
virtual DLObject *makeDLObject() {
return new DSDLObject();
}
};
Plugin *DSPluginProvider::createPlugin(const Common::FSNode &node) const {
return new DSPlugin(node.getPath());
}
#endif // defined(DYNAMIC_MODULES) && defined(__DS__)