[deliverable/binutils-gdb.git] / gdb / rdi-share / chanpriv.h

/* 
 * 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 */
Commit	Line	Data
c906108c SS	1	/*
	2	* Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved.
	3	*
	4	* This software may be freely used, copied, modified, and distributed
	5	* provided that the above copyright notice is preserved in all copies of the
	6	* software.
	7	*/
	8
	9	/* --C--
	10	*
	11	* $Revision$
	12	* $Date$
	13	*
	14	*
	15	* Project: ANGEL
	16	*
	17	* Title: Private header for channels implementations
	18	*/
	19
	20	#ifndef angel_chanpriv_h
	21	#define angel_chanpriv_h
	22
	23	/*
	24	* This describes the internal structure and flags for a channels packet.
	25	*/
	26
	27	/* byte positions within channel packet */
	28	#define CF_CHANNEL_BYTE_POS 0
	29	#define CF_HOME_SEQ_BYTE_POS 1
	30	#define CF_OPPO_SEQ_BYTE_POS 2
	31	#define CF_FLAGS_BYTE_POS 3
	32	#define CF_DATA_BYTE_POS 4
	33
	34	/* flags for FLAGS field */
	35	#define CF_RELIABLE (1 << 0) /* use reliable channels protocol */
	36	#define CF_RESEND (1 << 1) /* this is a renegotiation packet */
	37	#define CF_HEARTBEAT (1 << 2) /* heartbeat packet - prod target into sync */
	38
	39	/* byte positions within buffer */
	40	#define CB_LINK_BYTE_POS 0 /* the link pointer */
	41	#define CB_CHAN_HEADER_BYTE_POS 4 /* the channel frame starts here */
	42
	43	/* macro to get buffer position of packet component */
	44	#define CB_PACKET(x) (CB_CHAN_HEADER_BYTE_POS + (x))
	45
	46	/* byte offset of packet data within buffer */
	47	#define CB_CHAN_DATA_BYTE_POS (CB_PACKET(CF_DATA_BYTE_POS))
	48
	49	/* access the link in a buffer, where b is byte pointer to buffer */
	50	#define CB_LINK(b) ((p_Buffer)(&(b)[0]))
	51
	52	#define invalidChannelID(chan) (((int)(chan)) < 0 \|\| \
	53	(chan) >= CI_NUM_CHANNELS)
	54
	55	#endif /* ndef angel_chanpriv_h */
	56
	57	/* EOF chanpriv.h */