1 files changed, 35 insertions, 0 deletions
diff --git a/libgloss/m68k/fido-hosted.S b/libgloss/m68k/fido-hosted.S
new file mode 100644
index 000000000..6327cce27
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+++ b/libgloss/m68k/fido-hosted.S
@@ -0,0 +1,35 @@
+/*
+ * fido-hosted.S -- 
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+/* Semihosting function.  The debugger intercepts the halt, and
+   determines that it is followed by the sentinel pattern. */
+
+	.globl __hosted
+__hosted:
+	linkw %fp,#0
+	movel %fp@(8),%d0
+	movel %fp@(12),%d1
+	.align 4
+	nop
+	bkpt #0
+	
+	/* This sentinel instruction value must be immediately after
+	   the bkpt instruction.  The debugger will adjust the pc, so
+	   that it is never executed.  This instruction is
+	   'movec %sp,0'.  */
+	.long 0x4e7bf000
+	unlk %fp
+	rts