--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dyncallback/dyncall_thunk_ppc32.c	Thu Mar 19 22:24:28 2015 +0100
@@ -0,0 +1,52 @@
+/*
+
+ Package: dyncall
+ Library: dyncallback
+ File: dyncallback/dyncall_thunk_ppc32.c
+ Description: Thunk - Implementation for ppc32 darwin/apple
+ License:
+
+   Copyright (c) 2007-2015 Daniel Adler <dadler@uni-goettingen.de>,
+                           Tassilo Philipp <tphilipp@potion-studios.com>
+
+   Permission to use, copy, modify, and distribute this software for any
+   purpose with or without fee is hereby granted, provided that the above
+   copyright notice and this permission notice appear in all copies.
+
+   THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+   WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+   MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+   ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+*/
+
+
+#include "dyncall_thunk.h"
+
+unsigned short hi16(x) { return ( (unsigned short) (((unsigned int)x)>>16UL) ); }
+unsigned short lo16(x) { return ( (unsigned short)  ((unsigned int)x)        ); }   
+
+void dcbInitThunk(DCThunk* p, void (*entry)())
+{
+  /*
+    ppc32 thunk code:
+      lis   r2 , HI16(p)
+      ori   r2 , r2, LO16(p)
+      lwz   r12, 20(r2)
+      mtctr r12
+      bctr
+  */
+
+  p->code_load_hi = 0x3c40U;     /* lis  r2, HI16(p) */
+  p->addr_self_hi = hi16(p);
+  p->code_load_lo = 0x6042U; 	 /* ori  r2, r2, LO16(p) */
+  p->addr_self_lo = lo16(p);
+  p->code_jump[0] = 0x81820014U; /* lwz   r12, 20(r2) */
+  p->code_jump[1] = 0x7d8903a6U; /* mtclr r12 */
+  p->code_jump[2] = 0x4e800420U; /* bctr */
+  p->addr_entry   = entry;
+}
+