[deliverable/binutils-gdb.git] / gdb / rdi-share / dbg_cp.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.
 */

/*
 * ARM symbolic debugger toolbox: dbg_cp.h
 */

/*
 * RCS $Revision$
 * Checkin $Date$
 */

#ifndef Dbg_CP__h

#define Dbg_CP__h

#define Dbg_Access_Readable  1
#define Dbg_Access_Writable  2
#define Dbg_Access_CPDT      4 /* else CPRT */

typedef struct {
    unsigned short rmin, rmax;
    /* a single description can be used for a range of registers with
       the same properties *accessed via CPDT instructions*
     */
    unsigned char nbytes;   /* size of register */
    unsigned char access;   /* see above (Access_xxx) */
    union {
       struct { /* CPDT instructions do not allow the coprocessor much freedom:
                   only bit 22 ('N') and 12-15 ('CRd') are free for the
                   coprocessor to use as it sees fit.
                 */
                unsigned char nbit;
                unsigned char rdbits;
              } cpdt;
       struct { /* CPRT instructions have much more latitude.  The bits fixed
                   by the ARM are  24..31 (condition mask & opcode)
                                   20 (direction)
                                   8..15 (cpnum, arm register)
                                   4 (CPRT not CPDO)
                   leaving 14 bits free to the coprocessor (fortunately
                   falling within two bytes).
                 */
                unsigned char read_b0, read_b1,
                              write_b0, write_b1;
              } cprt;
    } accessinst;
} Dbg_CoProRegDesc;

struct Dbg_CoProDesc {
    int entries;
    Dbg_CoProRegDesc regdesc[1/* really nentries */];
};

#define Dbg_CoProDesc_Size(n) (sizeof(struct Dbg_CoProDesc) + ((n)-1)*sizeof(Dbg_CoProRegDesc))

#endif
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	/*
	10	* ARM symbolic debugger toolbox: dbg_cp.h
	11	*/
	12
	13	/*
	14	* RCS $Revision$
	15	* Checkin $Date$
	16	*/
	17
	18	#ifndef Dbg_CP__h
	19
	20	#define Dbg_CP__h
	21
	22	#define Dbg_Access_Readable 1
	23	#define Dbg_Access_Writable 2
	24	#define Dbg_Access_CPDT 4 /* else CPRT */
	25
	26	typedef struct {
	27	unsigned short rmin, rmax;
	28	/* a single description can be used for a range of registers with
	29	the same properties accessed via CPDT instructions
	30	*/
	31	unsigned char nbytes; /* size of register */
	32	unsigned char access; /* see above (Access_xxx) */
	33	union {
	34	struct { /* CPDT instructions do not allow the coprocessor much freedom:
	35	only bit 22 ('N') and 12-15 ('CRd') are free for the
	36	coprocessor to use as it sees fit.
	37	*/
	38	unsigned char nbit;
	39	unsigned char rdbits;
	40	} cpdt;
	41	struct { /* CPRT instructions have much more latitude. The bits fixed
	42	by the ARM are 24..31 (condition mask & opcode)
	43	20 (direction)
	44	8..15 (cpnum, arm register)
	45	4 (CPRT not CPDO)
	46	leaving 14 bits free to the coprocessor (fortunately
	47	falling within two bytes).
	48	*/
	49	unsigned char read_b0, read_b1,
	50	write_b0, write_b1;
	51	} cprt;
	52	} accessinst;
	53	} Dbg_CoProRegDesc;
	54
	55	struct Dbg_CoProDesc {
	56	int entries;
	57	Dbg_CoProRegDesc regdesc[1/* really nentries */];
	58	};
	59
	60	#define Dbg_CoProDesc_Size(n) (sizeof(struct Dbg_CoProDesc) + ((n)-1)*sizeof(Dbg_CoProRegDesc))
	61
	62	#endif