Initial creation of sourceware repository

gdb/rdi-share/chanpriv.h

@@ -0,0 +1,57 @@
+/* 
+ * 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.
+ */
+
+/* -*-C-*-
+ *
+ * $Revision$
+ *     $Date$
+ *
+ *
+ *   Project: ANGEL
+ *
+ *     Title: Private header for channels implementations
+ */
+
+#ifndef angel_chanpriv_h
+#define angel_chanpriv_h
+
+/*
+ * This describes the internal structure and flags for a channels packet.
+ */
+
+/* byte positions within channel packet */
+#define CF_CHANNEL_BYTE_POS  0
+#define CF_HOME_SEQ_BYTE_POS 1
+#define CF_OPPO_SEQ_BYTE_POS 2
+#define CF_FLAGS_BYTE_POS    3
+#define CF_DATA_BYTE_POS     4
+
+/* flags for FLAGS field */
+#define CF_RELIABLE  (1 << 0)    /* use reliable channels protocol */
+#define CF_RESEND    (1 << 1)    /* this is a renegotiation packet */
+#define CF_HEARTBEAT (1 << 2)    /* heartbeat packet - prod target into sync */
+
+/* byte positions within buffer */
+#define CB_LINK_BYTE_POS        0   /* the link pointer */
+#define CB_CHAN_HEADER_BYTE_POS 4   /* the channel frame starts here */
+
+/* macro to get buffer position of packet component */
+#define CB_PACKET(x) (CB_CHAN_HEADER_BYTE_POS + (x))
+
+/* byte offset of packet data within buffer */
+#define CB_CHAN_DATA_BYTE_POS   (CB_PACKET(CF_DATA_BYTE_POS))
+
+/* access the link in a buffer, where b is byte pointer to buffer */
+#define CB_LINK(b) ((p_Buffer)(&(b)[0]))
+
+#define invalidChannelID(chan)  (((int)(chan)) < 0 || \
+                                 (chan) >= CI_NUM_CHANNELS)
+
+#endif /* ndef angel_chanpriv_h */
+
+/* EOF chanpriv.h */