Support dynamic plugins on Dreamcast.

svn-id: r14689

1 files changed, 64 insertions, 0 deletions

diff --git a/backends/dc/dcloader.h b/backends/dc/dcloader.h
new file mode 100644
index 0000000000..fa33475380
--- /dev/null
+++ b/backends/dc/dcloader.h
@@ -0,0 +1,64 @@
+/* ScummVM - Scumm Interpreter
+ * Dreamcast port
+ * Copyright (C) 2002-2004  Marcus Comstedt
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef DC_DCLOADER_H
+#define DC_DCLOADER_H
+
+#include "dc.h"
+
+#define MAXDLERRLEN 80
+
+class DLObject {
+ private:
+  char *errbuf; /* For error messages, at least MAXDLERRLEN in size */
+
+  void *segment, *symtab;
+  char *strtab;
+  int symbol_cnt;
+  void *dtors_start, *dtors_end;
+
+  void seterror(const char *fmt, ...);
+  void unload();
+  bool relocate(int fd, unsigned long offset, unsigned long size);
+  bool load(int fd);
+
+ public:
+  bool open(const char *path);
+  bool close();
+  void *symbol(const char *name);
+  void discard_symtab();
+
+  DLObject(char *_errbuf = NULL) : errbuf(_errbuf), segment(NULL),symtab(NULL),
+    strtab(NULL), symbol_cnt(0), dtors_start(NULL), dtors_end(NULL) {}
+};
+
+#define RTLD_LAZY 0
+
+extern "C" {
+  void *dlopen(const char *filename, int flags);
+  int dlclose(void *handle);
+  void *dlsym(void *handle, const char *symbol);
+  const char *dlerror();
+  void dlforgetsyms(void *handle);
+};
+
+#endif