mapi: Add a generic C dispatcher.

The idea is to have an API generate a header using mapi_abi.py.  The API
can then use the header to build a dispatcher.

1 files changed, 52 insertions, 0 deletions

diff --git a/src/mapi/mapi/stub.h b/src/mapi/mapi/stub.h
new file mode 100644
index 00000000000..c7e194cf4fc
--- /dev/null
+++ b/src/mapi/mapi/stub.h
@@ -0,0 +1,52 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.9
+ *
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Chia-I Wu <[email protected]>
+ */
+
+#ifndef _STUB_H_
+#define _STUB_H_
+
+typedef void (*mapi_func)(void);
+
+struct mapi_stub {
+   mapi_func addr;
+   int slot;
+   const void *name;
+};
+
+void
+stub_init_once(void);
+
+const struct mapi_stub *
+stub_find_public(const char *name);
+
+struct mapi_stub *
+stub_find_dynamic(const char *name, int generate);
+
+void
+stub_fix_dynamic(struct mapi_stub *stub, const struct mapi_stub *alias);
+
+#endif /* _STUB_H_ */