[deliverable/binutils-gdb.git] / gdb / config / d10v / tm-d10v.h

/* Target-specific definition for the Mitsubishi D10V
   Copyright (C) 1996,1999 Free Software Foundation, Inc.

This file is part of GDB.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

/* Contributed by Martin Hunt, hunt@cygnus.com */


/* #define GDB_TARGET_IS_D10V - moved to gdbarch.h */

/* Define the bit, byte, and word ordering of the machine.  */

#define TARGET_BYTE_ORDER	BIG_ENDIAN

/* Offset from address of function to start of its code.
   Zero on most machines.  */

#define FUNCTION_START_OFFSET 0

/* these are the addresses the D10V-EVA board maps data */
/* and instruction memory to. */

#define DMEM_START	0x0000000
#define IMEM_START	0x1000000
#define STACK_START	0x0007ffe

#ifdef __STDC__		/* Forward decls for prototypes */
struct frame_info;
struct frame_saved_regs; 
struct type;
struct value;
#endif

/* Advance PC across any function entry prologue instructions
   to reach some "real" code.  */

extern CORE_ADDR d10v_skip_prologue ();
#define SKIP_PROLOGUE(ip) (d10v_skip_prologue (ip))

/* Stack grows downward.  */
#define INNER_THAN(lhs,rhs) (core_addr_lessthan ((lhs), (rhs)))

/* for a breakpoint, use "dbt || nop" */
extern breakpoint_from_pc_fn d10v_breakpoint_from_pc;
#define BREAKPOINT_FROM_PC(PCPTR,LENPTR) (d10v_breakpoint_from_pc ((PCPTR), (LENPTR)))

/* If your kernel resets the pc after the trap happens you may need to
   define this before including this file.  */
#define DECR_PC_AFTER_BREAK 4

extern char *d10v_register_name PARAMS ((int reg_nr));
#define REGISTER_NAME(NR) (d10v_register_name (NR))

#define NUM_REGS 37

/* Register numbers of various important registers.
   Note that some of these values are "real" register numbers,
   and correspond to the general registers of the machine,
   and some are "phony" register numbers which are too large
   to be actual register numbers as far as the user is concerned
   but do serve to get the desired values when passed to read_register.  */

#define R0_REGNUM	0
#define LR_REGNUM 	13
#define SP_REGNUM 	15
#define FP_REGNUM	11
#define PC_REGNUM 	18
#define PSW_REGNUM 	16
#define IMAP0_REGNUM	32
#define IMAP1_REGNUM	33
#define DMAP_REGNUM	34
#define A0_REGNUM 	35

/* Say how much memory is needed to store a copy of the register set */
#define REGISTER_BYTES    ((NUM_REGS-2)*2+16) 

/* Index within `registers' of the first byte of the space for
   register N.  */
extern int d10v_register_byte PARAMS ((int reg_nr));
#define REGISTER_BYTE(N) (d10v_register_byte (N))

/* Number of bytes of storage in the actual machine representation
   for register N.  */
extern int d10v_register_raw_size PARAMS ((int reg_nr));
#define REGISTER_RAW_SIZE(N) (d10v_register_raw_size (N))

/* Number of bytes of storage in the program's representation
   for register N.  */   
extern int d10v_register_virtual_size PARAMS ((int reg_nr));
#define REGISTER_VIRTUAL_SIZE(N) (d10v_register_virtual_size (N))

/* Largest value REGISTER_RAW_SIZE can have.  */

#define MAX_REGISTER_RAW_SIZE 8

/* Largest value REGISTER_VIRTUAL_SIZE can have.  */

#define MAX_REGISTER_VIRTUAL_SIZE 8

/* Return the GDB type object for the "standard" data type
   of data in register N.  */

extern struct type *d10v_register_virtual_type PARAMS ((int reg_nr));
#define REGISTER_VIRTUAL_TYPE(N) (d10v_register_virtual_type (N))


/* convert $pc and $sp to/from virtual addresses */
extern int d10v_register_convertible PARAMS ((int nr));
#define REGISTER_CONVERTIBLE(N) (d10v_register_convertible ((N)))
extern void d10v_register_convert_to_virtual PARAMS ((int regnum, struct type *type, char *from, char *to));
#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \
  d10v_register_convert_to_virtual ((REGNUM), (TYPE), (FROM), (TO))
extern void d10v_register_convert_to_raw PARAMS ((struct type *type, int regnum, char *from, char *to));
#define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \
  d10v_register_convert_to_raw ((TYPE), (REGNUM), (FROM), (TO))

extern CORE_ADDR d10v_make_daddr PARAMS ((CORE_ADDR x));
#define D10V_MAKE_DADDR(x) (d10v_make_daddr (x))
extern CORE_ADDR d10v_make_iaddr PARAMS ((CORE_ADDR x));
#define D10V_MAKE_IADDR(x) (d10v_make_iaddr (x))

extern int d10v_daddr_p PARAMS ((CORE_ADDR x));
#define D10V_DADDR_P(X) (d10v_daddr_p (X))
extern int d10v_iaddr_p PARAMS ((CORE_ADDR x));
#define D10V_IADDR_P(X)  (d10v_iaddr_p (X))

extern CORE_ADDR d10v_convert_daddr_to_raw PARAMS ((CORE_ADDR x));
#define D10V_CONVERT_DADDR_TO_RAW(X) (d10v_convert_daddr_to_raw (X))
extern CORE_ADDR d10v_convert_iaddr_to_raw PARAMS ((CORE_ADDR x));
#define D10V_CONVERT_IADDR_TO_RAW(X) (d10v_convert_iaddr_to_raw (X))

#define ARG1_REGNUM R0_REGNUM
#define ARGN_REGNUM 3
#define RET1_REGNUM R0_REGNUM

/* Store the address of the place in which to copy the structure the
   subroutine will return.  This is called from call_function. 

   We store structs through a pointer passed in the first Argument
   register. */

extern void d10v_store_struct_return PARAMS ((CORE_ADDR addr, CORE_ADDR sp));
#define STORE_STRUCT_RETURN(ADDR, SP) d10v_store_struct_return ((ADDR), (SP))


/* Write into appropriate registers a function return value
   of type TYPE, given in virtual format.  

   Things always get returned in RET1_REGNUM, RET2_REGNUM, ... */

extern void d10v_store_return_value PARAMS ((struct type *type, char *valbuf));
#define STORE_RETURN_VALUE(TYPE,VALBUF) d10v_store_return_value ((TYPE), (VALBUF))


/* Extract from an array REGBUF containing the (raw) register state
   the address in which a function should return its structure value,
   as a CORE_ADDR (or an expression that can be used as one).  */

extern CORE_ADDR d10v_extract_struct_value_address PARAMS ((char *regbuf));
#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (d10v_extract_struct_value_address ((REGBUF)))

/* Should we use EXTRACT_STRUCT_VALUE_ADDRESS instead of
   EXTRACT_RETURN_VALUE?  GCC_P is true if compiled with gcc
   and TYPE is the type (which is known to be struct, union or array).

   The d10v returns anything less than 8 bytes in size in
   registers. */

extern use_struct_convention_fn d10v_use_struct_convention;
#define USE_STRUCT_CONVENTION(gcc_p, type) d10v_use_struct_convention (gcc_p, type)

\f

/* Define other aspects of the stack frame. 
   we keep a copy of the worked out return pc lying around, since it
   is a useful bit of info */

#define EXTRA_FRAME_INFO \
    CORE_ADDR return_pc; \
    int frameless; \
    int size;

#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \
    d10v_init_extra_frame_info(fromleaf, fi) 

extern void d10v_init_extra_frame_info PARAMS (( int fromleaf, struct frame_info *fi ));

/* A macro that tells us whether the function invocation represented
   by FI does not have a frame on the stack associated with it.  If it
   does not, FRAMELESS is set to 1, else 0.  */

#define FRAMELESS_FUNCTION_INVOCATION(FI) \
  (frameless_look_for_prologue (FI))

extern CORE_ADDR d10v_frame_chain PARAMS ((struct frame_info *frame));
#define FRAME_CHAIN(FRAME)       d10v_frame_chain(FRAME)
extern int d10v_frame_chain_valid PARAMS ((CORE_ADDR, struct frame_info *));
#define FRAME_CHAIN_VALID(chain, thisframe) d10v_frame_chain_valid (chain, thisframe)
extern CORE_ADDR d10v_frame_saved_pc PARAMS ((struct frame_info *fi));
#define FRAME_SAVED_PC(fi) (d10v_frame_saved_pc ((fi)))
extern CORE_ADDR d10v_frame_args_address PARAMS ((struct frame_info *fi));
#define FRAME_ARGS_ADDRESS(fi) (d10v_frame_args_address ((fi)))
extern CORE_ADDR d10v_frame_locals_address PARAMS ((struct frame_info *fi));
#define FRAME_LOCALS_ADDRESS(fi) (d10v_frame_locals_address ((fi)))

/* Immediately after a function call, return the saved pc.  We can't */
/* use frame->return_pc beause that is determined by reading R13 off the */
/*stack and that may not be written yet. */

extern CORE_ADDR d10v_saved_pc_after_call PARAMS ((struct frame_info *frame));
#define SAVED_PC_AFTER_CALL(frame) (d10v_saved_pc_after_call ((frame)))
    
/* Set VAL to the number of args passed to frame described by FI.
   Can set VAL to -1, meaning no way to tell.  */
/* We can't tell how many args there are */

#define FRAME_NUM_ARGS(fi) (-1)

/* Return number of bytes at start of arglist that are not really args.  */

#define FRAME_ARGS_SKIP 0


/* Put here the code to store, into a struct frame_saved_regs,
   the addresses of the saved registers of frame described by FRAME_INFO.
   This includes special registers such as pc and fp saved in special
   ways in the stack frame.  sp is even more special:
   the address we return for it IS the sp for the next frame.  */

#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs)	    \
   d10v_frame_find_saved_regs(frame_info, &(frame_saved_regs))

extern void d10v_frame_find_saved_regs PARAMS ((struct frame_info *, struct frame_saved_regs *));

/* DUMMY FRAMES.  Need these to support inferior function calls.  They
   work like this on D10V: First we set a breakpoint at 0 or __start.
   Then we push all the registers onto the stack.  Then put the
   function arguments in the proper registers and set r13 to our
   breakpoint address.  Finally, the PC is set to the start of the
   function being called (no JSR/BSR insn).  When it hits the
   breakpoint, clear the break point and pop the old register contents
   off the stack.  */

extern void d10v_pop_frame PARAMS ((struct frame_info *frame));
#define POP_FRAME generic_pop_current_frame (d10v_pop_frame)

#define USE_GENERIC_DUMMY_FRAMES 1
#define CALL_DUMMY                   {0}
#define CALL_DUMMY_START_OFFSET      (0)
#define CALL_DUMMY_BREAKPOINT_OFFSET (0)
#define CALL_DUMMY_LOCATION          AT_ENTRY_POINT
#define FIX_CALL_DUMMY(DUMMY, START, FUNADDR, NARGS, ARGS, TYPE, GCCP)
#define CALL_DUMMY_ADDRESS()         entry_point_address ()
extern CORE_ADDR d10v_push_return_address PARAMS ((CORE_ADDR pc, CORE_ADDR sp));
#define PUSH_RETURN_ADDRESS(PC, SP)  d10v_push_return_address (PC, SP)

#define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP, FP)
/* #define PC_IN_CALL_DUMMY(pc, sp, frame_address) ( pc == IMEM_START + 4 ) */

#define PUSH_DUMMY_FRAME	generic_push_dummy_frame ()

/* override the default get_saved_register function with one that
   takes account of generic CALL_DUMMY frames */
#define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \
	generic_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval)

#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
  (d10v_push_arguments((nargs), (args), (sp), (struct_return), (struct_addr)))
extern CORE_ADDR d10v_push_arguments PARAMS ((int, struct value **, CORE_ADDR, int, CORE_ADDR));


/* Extract from an array REGBUF containing the (raw) register state
   a function return value of type TYPE, and copy that, in virtual format,
   into VALBUF.  */

#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
d10v_extract_return_value(TYPE, REGBUF, VALBUF)
  extern void
d10v_extract_return_value PARAMS ((struct type *, char *, char *));


#define REGISTER_SIZE 2

#ifdef CC_HAS_LONG_LONG
#  define LONGEST long long
#else
#  define LONGEST long
#endif 
#define ULONGEST unsigned LONGEST

void d10v_write_pc PARAMS ((CORE_ADDR val, int pid));
CORE_ADDR d10v_read_pc PARAMS ((int pid));
void d10v_write_sp PARAMS ((CORE_ADDR val));
CORE_ADDR d10v_read_sp PARAMS ((void));
void d10v_write_fp PARAMS ((CORE_ADDR val));
CORE_ADDR d10v_read_fp PARAMS ((void));

#define TARGET_READ_PC(pid)		d10v_read_pc (pid)
#define TARGET_WRITE_PC(val,pid)	d10v_write_pc (val, pid)
#define TARGET_READ_FP()		d10v_read_fp ()
#define TARGET_WRITE_FP(val)		d10v_write_fp (val)
#define TARGET_READ_SP()		d10v_read_sp ()
#define TARGET_WRITE_SP(val)		d10v_write_sp (val)

/* Number of bits in the appropriate type */
#define TARGET_INT_BIT (2 * TARGET_CHAR_BIT)
#define TARGET_PTR_BIT (4 * TARGET_CHAR_BIT)
#define TARGET_DOUBLE_BIT (4 * TARGET_CHAR_BIT)
#define TARGET_LONG_DOUBLE_BIT (8 * TARGET_CHAR_BIT)

\f
/* For the d10v when talking to the remote d10v board, GDB addresses
   need to be translated into a format that the d10v rom monitor
   understands. */

extern void remote_d10v_translate_xfer_address PARAMS ((CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len));
#define REMOTE_TRANSLATE_XFER_ADDRESS(GDB_ADDR, GDB_LEN, REM_ADDR, REM_LEN) \
 remote_d10v_translate_xfer_address ((GDB_ADDR), (GDB_LEN), (REM_ADDR), (REM_LEN))
Commit	Line	Data
c906108c	1	/* Target-specific definition for the Mitsubishi D10V
ac9a91a7	2	Copyright (C) 1996,1999 Free Software Foundation, Inc.
c906108c SS	3
	4	This file is part of GDB.
	5
	6	This program is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2 of the License, or
	9	(at your option) any later version.
	10
	11	This program is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with this program; if not, write to the Free Software
	18	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
	19
	20	/* Contributed by Martin Hunt, hunt@cygnus.com */
	21
ac9a91a7	22
7a292a7a	23	/* #define GDB_TARGET_IS_D10V - moved to gdbarch.h */
c906108c SS	24
	25	/* Define the bit, byte, and word ordering of the machine. */
	26
	27	#define TARGET_BYTE_ORDER BIG_ENDIAN
	28
	29	/* Offset from address of function to start of its code.
	30	Zero on most machines. */
	31
	32	#define FUNCTION_START_OFFSET 0
	33
	34	/* these are the addresses the D10V-EVA board maps data */
	35	/* and instruction memory to. */
	36
	37	#define DMEM_START 0x0000000
	38	#define IMEM_START 0x1000000
	39	#define STACK_START 0x0007ffe
	40
	41	#ifdef __STDC__ /* Forward decls for prototypes */
	42	struct frame_info;
	43	struct frame_saved_regs;
	44	struct type;
	45	struct value;
	46	#endif
	47
	48	/* Advance PC across any function entry prologue instructions
	49	to reach some "real" code. */
	50
	51	extern CORE_ADDR d10v_skip_prologue ();
b83266a0	52	#define SKIP_PROLOGUE(ip) (d10v_skip_prologue (ip))
c906108c	53
c906108c	54	/* Stack grows downward. */
392a587b	55	#define INNER_THAN(lhs,rhs) (core_addr_lessthan ((lhs), (rhs)))
c906108c SS	56
c906108c SS	57	/* for a breakpoint, use "dbt \|\| nop" */
392a587b JM	58	extern breakpoint_from_pc_fn d10v_breakpoint_from_pc;
392a587b JM	59	#define BREAKPOINT_FROM_PC(PCPTR,LENPTR) (d10v_breakpoint_from_pc ((PCPTR), (LENPTR)))
c906108c SS	60
	61	/* If your kernel resets the pc after the trap happens you may need to
	62	define this before including this file. */
	63	#define DECR_PC_AFTER_BREAK 4
	64
392a587b JM	65	extern char *d10v_register_name PARAMS ((int reg_nr));
392a587b JM	66	#define REGISTER_NAME(NR) (d10v_register_name (NR))
c906108c SS	67
	68	#define NUM_REGS 37
	69
	70	/* Register numbers of various important registers.
	71	Note that some of these values are "real" register numbers,
	72	and correspond to the general registers of the machine,
	73	and some are "phony" register numbers which are too large
	74	to be actual register numbers as far as the user is concerned
	75	but do serve to get the desired values when passed to read_register. */
	76
	77	#define R0_REGNUM 0
	78	#define LR_REGNUM 13
	79	#define SP_REGNUM 15
	80	#define FP_REGNUM 11
	81	#define PC_REGNUM 18
	82	#define PSW_REGNUM 16
	83	#define IMAP0_REGNUM 32
	84	#define IMAP1_REGNUM 33
	85	#define DMAP_REGNUM 34
	86	#define A0_REGNUM 35
	87
	88	/* Say how much memory is needed to store a copy of the register set */
	89	#define REGISTER_BYTES ((NUM_REGS-2)*2+16)
	90
	91	/* Index within `registers' of the first byte of the space for
	92	register N. */
392a587b JM	93	extern int d10v_register_byte PARAMS ((int reg_nr));
392a587b JM	94	#define REGISTER_BYTE(N) (d10v_register_byte (N))
c906108c SS	95
	96	/* Number of bytes of storage in the actual machine representation
	97	for register N. */
392a587b JM	98	extern int d10v_register_raw_size PARAMS ((int reg_nr));
392a587b JM	99	#define REGISTER_RAW_SIZE(N) (d10v_register_raw_size (N))
c906108c SS	100
	101	/* Number of bytes of storage in the program's representation
	102	for register N. */
392a587b JM	103	extern int d10v_register_virtual_size PARAMS ((int reg_nr));
392a587b JM	104	#define REGISTER_VIRTUAL_SIZE(N) (d10v_register_virtual_size (N))
c906108c SS	105
	106	/* Largest value REGISTER_RAW_SIZE can have. */
	107
	108	#define MAX_REGISTER_RAW_SIZE 8
	109
	110	/* Largest value REGISTER_VIRTUAL_SIZE can have. */
	111
	112	#define MAX_REGISTER_VIRTUAL_SIZE 8
	113
	114	/* Return the GDB type object for the "standard" data type
	115	of data in register N. */
	116
392a587b JM	117	extern struct type *d10v_register_virtual_type PARAMS ((int reg_nr));
392a587b JM	118	#define REGISTER_VIRTUAL_TYPE(N) (d10v_register_virtual_type (N))
c906108c SS	119
	120
	121	/* convert $pc and $sp to/from virtual addresses */
ac9a91a7 JM	122	extern int d10v_register_convertible PARAMS ((int nr));
	123	#define REGISTER_CONVERTIBLE(N) (d10v_register_convertible ((N)))
	124	extern void d10v_register_convert_to_virtual PARAMS ((int regnum, struct type type, char from, char *to));
c906108c	125	#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \
ac9a91a7 JM	126	d10v_register_convert_to_virtual ((REGNUM), (TYPE), (FROM), (TO))
ac9a91a7 JM	127	extern void d10v_register_convert_to_raw PARAMS ((struct type type, int regnum, char from, char *to));
c906108c	128	#define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \
ac9a91a7	129	d10v_register_convert_to_raw ((TYPE), (REGNUM), (FROM), (TO))
c906108c	130
392a587b JM	131	extern CORE_ADDR d10v_make_daddr PARAMS ((CORE_ADDR x));
	132	#define D10V_MAKE_DADDR(x) (d10v_make_daddr (x))
	133	extern CORE_ADDR d10v_make_iaddr PARAMS ((CORE_ADDR x));
	134	#define D10V_MAKE_IADDR(x) (d10v_make_iaddr (x))
c906108c	135
392a587b JM	136	extern int d10v_daddr_p PARAMS ((CORE_ADDR x));
	137	#define D10V_DADDR_P(X) (d10v_daddr_p (X))
	138	extern int d10v_iaddr_p PARAMS ((CORE_ADDR x));
	139	#define D10V_IADDR_P(X) (d10v_iaddr_p (X))
c906108c	140
392a587b JM	141	extern CORE_ADDR d10v_convert_daddr_to_raw PARAMS ((CORE_ADDR x));
	142	#define D10V_CONVERT_DADDR_TO_RAW(X) (d10v_convert_daddr_to_raw (X))
	143	extern CORE_ADDR d10v_convert_iaddr_to_raw PARAMS ((CORE_ADDR x));
	144	#define D10V_CONVERT_IADDR_TO_RAW(X) (d10v_convert_iaddr_to_raw (X))
c906108c SS	145
	146	#define ARG1_REGNUM R0_REGNUM
	147	#define ARGN_REGNUM 3
	148	#define RET1_REGNUM R0_REGNUM
	149
	150	/* Store the address of the place in which to copy the structure the
	151	subroutine will return. This is called from call_function.
	152
	153	We store structs through a pointer passed in the first Argument
	154	register. */
	155
392a587b JM	156	extern void d10v_store_struct_return PARAMS ((CORE_ADDR addr, CORE_ADDR sp));
392a587b JM	157	#define STORE_STRUCT_RETURN(ADDR, SP) d10v_store_struct_return ((ADDR), (SP))
c906108c SS	158
	159
	160	/* Write into appropriate registers a function return value
	161	of type TYPE, given in virtual format.
	162
	163	Things always get returned in RET1_REGNUM, RET2_REGNUM, ... */
	164
392a587b JM	165	extern void d10v_store_return_value PARAMS ((struct type type, char valbuf));
392a587b JM	166	#define STORE_RETURN_VALUE(TYPE,VALBUF) d10v_store_return_value ((TYPE), (VALBUF))
c906108c SS	167
	168
	169	/* Extract from an array REGBUF containing the (raw) register state
	170	the address in which a function should return its structure value,
	171	as a CORE_ADDR (or an expression that can be used as one). */
	172
392a587b JM	173	extern CORE_ADDR d10v_extract_struct_value_address PARAMS ((char *regbuf));
392a587b JM	174	#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (d10v_extract_struct_value_address ((REGBUF)))
c906108c SS	175
	176	/* Should we use EXTRACT_STRUCT_VALUE_ADDRESS instead of
	177	EXTRACT_RETURN_VALUE? GCC_P is true if compiled with gcc
	178	and TYPE is the type (which is known to be struct, union or array).
	179
	180	The d10v returns anything less than 8 bytes in size in
	181	registers. */
	182
	183	extern use_struct_convention_fn d10v_use_struct_convention;
	184	#define USE_STRUCT_CONVENTION(gcc_p, type) d10v_use_struct_convention (gcc_p, type)
	185
	186	\f
	187
	188	/* Define other aspects of the stack frame.
	189	we keep a copy of the worked out return pc lying around, since it
	190	is a useful bit of info */
	191
	192	#define EXTRA_FRAME_INFO \
	193	CORE_ADDR return_pc; \
	194	int frameless; \
	195	int size;
	196
	197	#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \
	198	d10v_init_extra_frame_info(fromleaf, fi)
	199
	200	extern void d10v_init_extra_frame_info PARAMS (( int fromleaf, struct frame_info *fi ));
	201
	202	/* A macro that tells us whether the function invocation represented
	203	by FI does not have a frame on the stack associated with it. If it
	204	does not, FRAMELESS is set to 1, else 0. */
	205
392a587b JM	206	#define FRAMELESS_FUNCTION_INVOCATION(FI) \
392a587b JM	207	(frameless_look_for_prologue (FI))
c906108c	208
392a587b	209	extern CORE_ADDR d10v_frame_chain PARAMS ((struct frame_info *frame));
c906108c SS	210	#define FRAME_CHAIN(FRAME) d10v_frame_chain(FRAME)
	211	extern int d10v_frame_chain_valid PARAMS ((CORE_ADDR, struct frame_info *));
	212	#define FRAME_CHAIN_VALID(chain, thisframe) d10v_frame_chain_valid (chain, thisframe)
392a587b JM	213	extern CORE_ADDR d10v_frame_saved_pc PARAMS ((struct frame_info *fi));
	214	#define FRAME_SAVED_PC(fi) (d10v_frame_saved_pc ((fi)))
	215	extern CORE_ADDR d10v_frame_args_address PARAMS ((struct frame_info *fi));
	216	#define FRAME_ARGS_ADDRESS(fi) (d10v_frame_args_address ((fi)))
	217	extern CORE_ADDR d10v_frame_locals_address PARAMS ((struct frame_info *fi));
	218	#define FRAME_LOCALS_ADDRESS(fi) (d10v_frame_locals_address ((fi)))
c906108c SS	219
	220	/* Immediately after a function call, return the saved pc. We can't */
	221	/* use frame->return_pc beause that is determined by reading R13 off the */
	222	/stack and that may not be written yet. /
	223
392a587b JM	224	extern CORE_ADDR d10v_saved_pc_after_call PARAMS ((struct frame_info *frame));
392a587b JM	225	#define SAVED_PC_AFTER_CALL(frame) (d10v_saved_pc_after_call ((frame)))
c906108c SS	226
	227	/* Set VAL to the number of args passed to frame described by FI.
	228	Can set VAL to -1, meaning no way to tell. */
	229	/* We can't tell how many args there are */
	230
392a587b	231	#define FRAME_NUM_ARGS(fi) (-1)
c906108c SS	232
	233	/* Return number of bytes at start of arglist that are not really args. */
	234
	235	#define FRAME_ARGS_SKIP 0
	236
	237
	238	/* Put here the code to store, into a struct frame_saved_regs,
	239	the addresses of the saved registers of frame described by FRAME_INFO.
	240	This includes special registers such as pc and fp saved in special
	241	ways in the stack frame. sp is even more special:
	242	the address we return for it IS the sp for the next frame. */
	243
	244	#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \
	245	d10v_frame_find_saved_regs(frame_info, &(frame_saved_regs))
	246
	247	extern void d10v_frame_find_saved_regs PARAMS ((struct frame_info , struct frame_saved_regs ));
	248
c906108c SS	249	/* DUMMY FRAMES. Need these to support inferior function calls. They
	250	work like this on D10V: First we set a breakpoint at 0 or __start.
	251	Then we push all the registers onto the stack. Then put the
	252	function arguments in the proper registers and set r13 to our
	253	breakpoint address. Finally, the PC is set to the start of the
	254	function being called (no JSR/BSR insn). When it hits the
	255	breakpoint, clear the break point and pop the old register contents
	256	off the stack. */
	257
	258	extern void d10v_pop_frame PARAMS ((struct frame_info *frame));
	259	#define POP_FRAME generic_pop_current_frame (d10v_pop_frame)
	260
7a292a7a	261	#define USE_GENERIC_DUMMY_FRAMES 1
c906108c SS	262	#define CALL_DUMMY {0}
	263	#define CALL_DUMMY_START_OFFSET (0)
	264	#define CALL_DUMMY_BREAKPOINT_OFFSET (0)
	265	#define CALL_DUMMY_LOCATION AT_ENTRY_POINT
	266	#define FIX_CALL_DUMMY(DUMMY, START, FUNADDR, NARGS, ARGS, TYPE, GCCP)
	267	#define CALL_DUMMY_ADDRESS() entry_point_address ()
	268	extern CORE_ADDR d10v_push_return_address PARAMS ((CORE_ADDR pc, CORE_ADDR sp));
	269	#define PUSH_RETURN_ADDRESS(PC, SP) d10v_push_return_address (PC, SP)
	270
7a292a7a	271	#define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP, FP)
c906108c SS	272	/* #define PC_IN_CALL_DUMMY(pc, sp, frame_address) ( pc == IMEM_START + 4 ) */
	273
	274	#define PUSH_DUMMY_FRAME generic_push_dummy_frame ()
	275
	276	/* override the default get_saved_register function with one that
	277	takes account of generic CALL_DUMMY frames */
7a292a7a SS	278	#define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \
7a292a7a SS	279	generic_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval)
c906108c SS	280
c906108c SS	281	#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
392a587b	282	(d10v_push_arguments((nargs), (args), (sp), (struct_return), (struct_addr)))
c906108c SS	283	extern CORE_ADDR d10v_push_arguments PARAMS ((int, struct value **, CORE_ADDR, int, CORE_ADDR));
	284
	285
	286	/* Extract from an array REGBUF containing the (raw) register state
	287	a function return value of type TYPE, and copy that, in virtual format,
	288	into VALBUF. */
	289
	290	#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
	291	d10v_extract_return_value(TYPE, REGBUF, VALBUF)
	292	extern void
	293	d10v_extract_return_value PARAMS ((struct type , char , char *));
	294
	295
	296	#define REGISTER_SIZE 2
	297
	298	#ifdef CC_HAS_LONG_LONG
	299	# define LONGEST long long
	300	#else
	301	# define LONGEST long
	302	#endif
	303	#define ULONGEST unsigned LONGEST
	304
	305	void d10v_write_pc PARAMS ((CORE_ADDR val, int pid));
	306	CORE_ADDR d10v_read_pc PARAMS ((int pid));
	307	void d10v_write_sp PARAMS ((CORE_ADDR val));
	308	CORE_ADDR d10v_read_sp PARAMS ((void));
	309	void d10v_write_fp PARAMS ((CORE_ADDR val));
	310	CORE_ADDR d10v_read_fp PARAMS ((void));
	311
	312	#define TARGET_READ_PC(pid) d10v_read_pc (pid)
	313	#define TARGET_WRITE_PC(val,pid) d10v_write_pc (val, pid)
	314	#define TARGET_READ_FP() d10v_read_fp ()
	315	#define TARGET_WRITE_FP(val) d10v_write_fp (val)
	316	#define TARGET_READ_SP() d10v_read_sp ()
	317	#define TARGET_WRITE_SP(val) d10v_write_sp (val)
	318
	319	/* Number of bits in the appropriate type */
	320	#define TARGET_INT_BIT (2 * TARGET_CHAR_BIT)
	321	#define TARGET_PTR_BIT (4 * TARGET_CHAR_BIT)
	322	#define TARGET_DOUBLE_BIT (4 * TARGET_CHAR_BIT)
	323	#define TARGET_LONG_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
	324
	325	\f
	326	/* For the d10v when talking to the remote d10v board, GDB addresses
	327	need to be translated into a format that the d10v rom monitor
	328	understands. */
	329
392a587b	330	extern void remote_d10v_translate_xfer_address PARAMS ((CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR rem_addr, int rem_len));
c906108c	331	#define REMOTE_TRANSLATE_XFER_ADDRESS(GDB_ADDR, GDB_LEN, REM_ADDR, REM_LEN) \
392a587b	332	remote_d10v_translate_xfer_address ((GDB_ADDR), (GDB_LEN), (REM_ADDR), (REM_LEN))
c906108c	333