Applied patches from Tony.Thompson@arm.com to implement the Angel remote

debugging interface and resurrected associated RDI files.

gdb/rdi-share/dbg_hif.h

@@ -0,0 +1,56 @@
+/* 
+ * Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved.
+ * 
+ * This software may be freely used, copied, modified, and distributed
+ * provided that the above copyright notice is preserved in all copies of the
+ * software.
+ */
+
+/*
+ * ARM debugger toolbox : dbg_hif.c
+ * Description of the Dbg_HostosInterface structure.  This is *NOT*
+ * part of the debugger toolbox, but it is required by 2 back ends
+ * (armul & pisd) and two front ends (armsd & wdbg), so putting it
+ * in the toolbox is the only way of avoiding multiple copies.
+ */
+
+/*
+ * RCS $Revision$
+ * Checkin $Date$
+ */
+
+#ifndef dbg_hif__h
+#define dbg_hif__h
+
+#if defined __STDC__ || defined ALMOST_STDC
+#  include <stdarg.h>
+#else
+#  include <varargs.h>
+#endif
+
+typedef void Hif_DbgPrint(void *arg, const char *format, va_list ap);
+typedef void Hif_DbgPause(void *arg);
+
+typedef void Hif_WriteC(void *arg, int c);
+typedef int Hif_ReadC(void *arg);
+typedef int Hif_Write(void *arg, char const *buffer, int len);
+typedef char *Hif_GetS(void *arg, char *buffer, int len);
+
+typedef void Hif_RDIResetProc(void *arg);
+
+struct Dbg_HostosInterface {
+    Hif_DbgPrint *dbgprint;
+    Hif_DbgPause *dbgpause;
+    void *dbgarg;
+
+    Hif_WriteC *writec;
+    Hif_ReadC *readc;
+    Hif_Write *write;
+    Hif_GetS *gets;
+    void *hostosarg;
+
+    Hif_RDIResetProc *reset;
+    void *resetarg;
+};
+
+#endif