[binutils.git] / gdb / config / h8300 / tm-h8300.h

/* Parameters for execution on a H8/300 series machine.
   Copyright 1992, 1993, 1994, 1996, 1998, 1999, 2000
   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.  */

#include "regcache.h"

/* Contributed by Steve Chamberlain [email protected] */

struct frame_info;
struct frame_saved_regs;
struct value;
struct type;

/* 1 if debugging H8/300H application */ 

/* NOTE: ezannoni 2000-07-18: these variables are part of sim, defined
   in sim/h8300/compile.c.  They really should not be used this
   way. Because of this we cannot get rid of the macro
   GDB_TARGET_IS_H8300 in remote-e7000.c */
extern int h8300hmode;
extern int h8300smode;

/* Number of bytes in a word */

#define BINWORD (h8300hmode?4:2)

#define EXTRA_FRAME_INFO 	\
	struct frame_saved_regs *fsr;	\
	CORE_ADDR from_pc; \
	CORE_ADDR args_pointer;\
        CORE_ADDR locals_pointer ;

/* Zero the frame_saved_regs pointer when the frame is initialized,
   so that FRAME_FIND_SAVED_REGS () will know to allocate and
   initialize a frame_saved_regs struct the first time it is called.
   Set the arg_pointer to -1, which is not valid; 0 and other values
   indicate real, cached values.  */

#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \
	h8300_init_extra_frame_info (fromleaf, fi)

extern void h8300_init_extra_frame_info ();

#undef TARGET_INT_BIT
#define TARGET_INT_BIT  16
#undef TARGET_LONG_BIT
#define TARGET_LONG_BIT  32
#undef TARGET_PTR_BIT
#define TARGET_PTR_BIT  (h8300hmode ? 32:16)

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

#define FUNCTION_START_OFFSET 0

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

#define SKIP_PROLOGUE(ip)   (h8300_skip_prologue(ip))
extern CORE_ADDR h8300_skip_prologue ();

/* Immediately after a function call, return the saved pc.
   Can't always go through the frames for this because on some machines
   the new frame is not set up until the new function executes
   some instructions.  */

#define SAVED_PC_AFTER_CALL(frame) \
  read_memory_unsigned_integer (read_register (SP_REGNUM), BINWORD)

/* Stack grows downward.  */

#define INNER_THAN(lhs,rhs) ((lhs) < (rhs))

/*#define BREAKPOINT {0x7A, 0xFF} */
#define BREAKPOINT {0x01, 0x80}	/* Sleep */
#define REMOTE_BREAKPOINT { 0x57, 0x30}		/* trapa #3 */
/* 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 0

/* Say how long registers are.  */

#define REGISTER_SIZE 4

#define NUM_REGS 13

#define REGISTER_BYTES (NUM_REGS * 4)

/* Index within `registers' of the first byte of the space for
   register N.  */

#define REGISTER_BYTE(N)  ((N) * 4)

/* Number of bytes of storage in the actual machine representation
   for register N.  On the H8/300, all regs are 2 bytes.  */

#define REGISTER_RAW_SIZE(N) (h8300hmode ? 4 : 2)

/* Number of bytes of storage in the program's representation
   for register N.  */

#define REGISTER_VIRTUAL_SIZE(N) (h8300hmode ? 4 : 2)

/* Largest value REGISTER_RAW_SIZE can have.  */

#define MAX_REGISTER_RAW_SIZE 4

/* Largest value REGISTER_VIRTUAL_SIZE can have.  */

#define MAX_REGISTER_VIRTUAL_SIZE 4

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

#define REGISTER_VIRTUAL_TYPE(N) \
(h8300hmode ? builtin_type_unsigned_long : builtin_type_unsigned_short)

/* Initializer for an array of names of registers.
   Entries beyond the first NUM_REGS are ignored.  */

#define REGISTER_NAMES \
  {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "sp", "ccr","pc","cycles","tick","inst"}

/* An array of names of registers. */

extern char **h8300_register_names;
#define REGISTER_NAME(i) h8300_register_names[i]

/* 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 ARG0_REGNUM    0	/* first reg in which an arg may be passed */
#define ARGLAST_REGNUM 2	/* last  reg in which an arg may be passed */
#define FP_REGNUM      6	/* Contain saddress of executing stack frame */
#define SP_REGNUM      7	/* Contains address of top of stack */
#define CCR_REGNUM     8	/* Contains processor status */
#define PC_REGNUM      9	/* Contains program counter */

/* 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.  */

/* FIXME: Won't work with both h8/300's.  */

extern void h8300_extract_return_value (struct type *, char *, char *);
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
    h8300_extract_return_value (TYPE, (char *)(REGBUF), (char *)(VALBUF))

/* Write into appropriate registers a function return value
   of type TYPE, given in virtual format.  Assumes floats are passed
   in d0/d1.  */
/* FIXME: Won't work with both h8/300's.  */

extern void h8300_store_return_value (struct type *, char *);
#define STORE_RETURN_VALUE(TYPE,VALBUF) \
    h8300_store_return_value(TYPE, (char *) (VALBUF))

/* struct passing and returning stuff */
#define STORE_STRUCT_RETURN(STRUCT_ADDR, SP)	\
	write_register (0, STRUCT_ADDR)

#define USE_STRUCT_CONVENTION(gcc_p, type)	(1)

/* 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).  */

#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
     extract_address (REGBUF + REGISTER_BYTE (0), \
		      REGISTER_RAW_SIZE (0))

/* Describe the pointer in each stack frame to the previous stack frame
   (its caller).  */

/* FRAME_CHAIN takes a frame's nominal address
   and produces the frame's chain-pointer.

   However, if FRAME_CHAIN_VALID returns zero,
   it means the given frame is the outermost one and has no caller.  */

#define FRAME_CHAIN(FRAME) h8300_frame_chain(FRAME)
CORE_ADDR h8300_frame_chain (struct frame_info *);

/* In the case of the H8/300, the frame's nominal address
   is the address of a 2-byte word containing the calling frame's address.  */

/* Use the alternate method of avoiding running up off the end of
   the frame chain or following frames back into the startup code.
   See the comments in objfile.h */

#define FRAME_CHAIN_VALID(fp,fi) func_frame_chain_valid (fp, fi)

/* Define other aspects of the stack frame.  */

/* 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))

/* Any function with a frame looks like this
   SECOND ARG
   FIRST ARG
   RET PC
   SAVED R2
   SAVED R3
   SAVED FP   <-FP POINTS HERE
   LOCALS0
   LOCALS1    <-SP POINTS HERE
 */

#define FRAME_SAVED_PC(FRAME) h8300_frame_saved_pc(FRAME)
extern CORE_ADDR h8300_frame_saved_pc (struct frame_info *);

#define FRAME_ARGS_ADDRESS(fi) h8300_frame_args_address(fi)
extern CORE_ADDR h8300_frame_args_address (struct frame_info *);

#define FRAME_LOCALS_ADDRESS(fi) h8300_frame_locals_address(fi)
extern CORE_ADDR h8300_frame_locals_address (struct frame_info *);

/* 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
   now that the C compiler delays popping them.  */

#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)	    \
   h8300_frame_find_saved_regs(frame_info, &(frame_saved_regs))
extern void h8300_frame_find_saved_regs (struct frame_info *,
					 struct frame_saved_regs *);
\f

typedef unsigned short INSN_WORD;


#define	PRINT_REGISTER_HOOK(regno) h8300_print_register_hook(regno)
extern void h8300_print_register_hook (int);

#define GDB_TARGET_IS_H8300

#define NUM_REALREGS 10
#define NOP { 0x01, 0x80}	/* A sleep insn */

#define BELIEVE_PCC_PROMOTION 1

/*
 * CALL_DUMMY stuff:
 */

#define USE_GENERIC_DUMMY_FRAMES 1
#define CALL_DUMMY			{0}
#define CALL_DUMMY_LENGTH		(0)
#define CALL_DUMMY_ADDRESS()		entry_point_address ()
#define CALL_DUMMY_LOCATION		AT_ENTRY_POINT
#define CALL_DUMMY_START_OFFSET		(0)
#define CALL_DUMMY_BREAKPOINT_OFFSET	(0)

extern CORE_ADDR h8300_push_arguments (int nargs,
				       struct value **args,
				       CORE_ADDR sp,
				       unsigned char struct_return,
				       CORE_ADDR struct_addr);
extern CORE_ADDR h8300_push_return_address (CORE_ADDR, CORE_ADDR);
extern void h8300_pop_frame (void);

#define PC_IN_CALL_DUMMY(PC, SP, FP)	generic_pc_in_call_dummy (PC, SP, FP)
#define FIX_CALL_DUMMY(DUMMY, START_SP, FUNADDR, NARGS, ARGS, TYPE, GCCP)
#define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \
  (h8300_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR))
/* Push an empty stack frame, to record the current PC, etc.  */
#define PUSH_DUMMY_FRAME	generic_push_dummy_frame ()
/* Discard from the stack the innermost frame, restoring all registers.  */
#define POP_FRAME		h8300_pop_frame ()
#define PUSH_RETURN_ADDRESS(PC, SP)	h8300_push_return_address (PC, SP)

/* override the standard 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)
Commit	Line	Data
c906108c	1	/* Parameters for execution on a H8/300 series machine.
b6ba6518 KB	2	Copyright 1992, 1993, 1994, 1996, 1998, 1999, 2000
b6ba6518 KB	3	Free Software Foundation, Inc.
c906108c	4
c5aa993b	5	This file is part of GDB.
c906108c	6
c5aa993b JM	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 2 of the License, or
	10	(at your option) any later version.
c906108c	11
c5aa993b JM	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
c906108c	16
c5aa993b JM	17	You should have received a copy of the GNU General Public License
	18	along with this program; if not, write to the Free Software
	19	Foundation, Inc., 59 Temple Place - Suite 330,
	20	Boston, MA 02111-1307, USA. */
c906108c	21
f88e2c52 AC	22	#include "regcache.h"
f88e2c52 AC	23
c906108c SS	24	/* Contributed by Steve Chamberlain [email protected] */
c906108c SS	25
c906108c SS	26	struct frame_info;
	27	struct frame_saved_regs;
	28	struct value;
	29	struct type;
c906108c	30
cc17453a EZ	31	/* 1 if debugging H8/300H application */
	32
	33	/* NOTE: ezannoni 2000-07-18: these variables are part of sim, defined
	34	in sim/h8300/compile.c. They really should not be used this
	35	way. Because of this we cannot get rid of the macro
	36	GDB_TARGET_IS_H8300 in remote-e7000.c */
c906108c SS	37	extern int h8300hmode;
	38	extern int h8300smode;
	39
	40	/* Number of bytes in a word */
	41
	42	#define BINWORD (h8300hmode?4:2)
	43
	44	#define EXTRA_FRAME_INFO \
	45	struct frame_saved_regs *fsr; \
	46	CORE_ADDR from_pc; \
	47	CORE_ADDR args_pointer;\
	48	CORE_ADDR locals_pointer ;
	49
	50	/* Zero the frame_saved_regs pointer when the frame is initialized,
	51	so that FRAME_FIND_SAVED_REGS () will know to allocate and
	52	initialize a frame_saved_regs struct the first time it is called.
	53	Set the arg_pointer to -1, which is not valid; 0 and other values
	54	indicate real, cached values. */
	55
	56	#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \
	57	h8300_init_extra_frame_info (fromleaf, fi)
	58
	59	extern void h8300_init_extra_frame_info ();
	60
c906108c SS	61	#undef TARGET_INT_BIT
	62	#define TARGET_INT_BIT 16
	63	#undef TARGET_LONG_BIT
	64	#define TARGET_LONG_BIT 32
	65	#undef TARGET_PTR_BIT
	66	#define TARGET_PTR_BIT (h8300hmode ? 32:16)
	67
	68	/* Offset from address of function to start of its code.
	69	Zero on most machines. */
	70
	71	#define FUNCTION_START_OFFSET 0
	72
	73	/* Advance PC across any function entry prologue instructions
	74	to reach some "real" code. */
	75
b83266a0	76	#define SKIP_PROLOGUE(ip) (h8300_skip_prologue(ip))
c906108c SS	77	extern CORE_ADDR h8300_skip_prologue ();
	78
	79	/* Immediately after a function call, return the saved pc.
	80	Can't always go through the frames for this because on some machines
	81	the new frame is not set up until the new function executes
	82	some instructions. */
	83
	84	#define SAVED_PC_AFTER_CALL(frame) \
	85	read_memory_unsigned_integer (read_register (SP_REGNUM), BINWORD)
	86
	87	/* Stack grows downward. */
	88
	89	#define INNER_THAN(lhs,rhs) ((lhs) < (rhs))
	90
c5aa993b JM	91	/#define BREAKPOINT {0x7A, 0xFF} /
	92	#define BREAKPOINT {0x01, 0x80} /* Sleep */
	93	#define REMOTE_BREAKPOINT { 0x57, 0x30} /* trapa #3 */
c906108c SS	94	/* If your kernel resets the pc after the trap happens you may need to
	95	define this before including this file. */
	96
	97	#define DECR_PC_AFTER_BREAK 0
	98
	99	/* Say how long registers are. */
	100
	101	#define REGISTER_SIZE 4
	102
c5aa993b	103	#define NUM_REGS 13
c906108c SS	104
	105	#define REGISTER_BYTES (NUM_REGS * 4)
	106
	107	/* Index within `registers' of the first byte of the space for
	108	register N. */
	109
	110	#define REGISTER_BYTE(N) ((N) * 4)
	111
	112	/* Number of bytes of storage in the actual machine representation
	113	for register N. On the H8/300, all regs are 2 bytes. */
	114
	115	#define REGISTER_RAW_SIZE(N) (h8300hmode ? 4 : 2)
	116
	117	/* Number of bytes of storage in the program's representation
	118	for register N. */
	119
	120	#define REGISTER_VIRTUAL_SIZE(N) (h8300hmode ? 4 : 2)
	121
	122	/* Largest value REGISTER_RAW_SIZE can have. */
	123
	124	#define MAX_REGISTER_RAW_SIZE 4
	125
	126	/* Largest value REGISTER_VIRTUAL_SIZE can have. */
	127
	128	#define MAX_REGISTER_VIRTUAL_SIZE 4
	129
	130	/* Return the GDB type object for the "standard" data type
	131	of data in register N. */
	132
	133	#define REGISTER_VIRTUAL_TYPE(N) \
	134	(h8300hmode ? builtin_type_unsigned_long : builtin_type_unsigned_short)
	135
	136	/* Initializer for an array of names of registers.
	137	Entries beyond the first NUM_REGS are ignored. */
	138
	139	#define REGISTER_NAMES \
	140	{"r0", "r1", "r2", "r3", "r4", "r5", "r6", "sp", "ccr","pc","cycles","tick","inst"}
	141
	142	/* An array of names of registers. */
	143
	144	extern char **h8300_register_names;
	145	#define REGISTER_NAME(i) h8300_register_names[i]
	146
	147	/* Register numbers of various important registers.
	148	Note that some of these values are "real" register numbers,
	149	and correspond to the general registers of the machine,
	150	and some are "phony" register numbers which are too large
	151	to be actual register numbers as far as the user is concerned
	152	but do serve to get the desired values when passed to read_register. */
	153
	154	#define ARG0_REGNUM 0 /* first reg in which an arg may be passed */
	155	#define ARGLAST_REGNUM 2 /* last reg in which an arg may be passed */
	156	#define FP_REGNUM 6 /* Contain saddress of executing stack frame */
	157	#define SP_REGNUM 7 /* Contains address of top of stack */
	158	#define CCR_REGNUM 8 /* Contains processor status */
	159	#define PC_REGNUM 9 /* Contains program counter */
	160
	161	/* Extract from an array REGBUF containing the (raw) register state
	162	a function return value of type TYPE, and copy that, in virtual format,
	163	into VALBUF. */
	164
	165	/* FIXME: Won't work with both h8/300's. */
	166
a14ed312	167	extern void h8300_extract_return_value (struct type , char , char *);
c906108c SS	168	#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
	169	h8300_extract_return_value (TYPE, (char )(REGBUF), (char )(VALBUF))
	170
	171	/* Write into appropriate registers a function return value
	172	of type TYPE, given in virtual format. Assumes floats are passed
	173	in d0/d1. */
	174	/* FIXME: Won't work with both h8/300's. */
	175
a14ed312	176	extern void h8300_store_return_value (struct type , char );
c906108c SS	177	#define STORE_RETURN_VALUE(TYPE,VALBUF) \
	178	h8300_store_return_value(TYPE, (char *) (VALBUF))
	179
	180	/* struct passing and returning stuff */
	181	#define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) \
	182	write_register (0, STRUCT_ADDR)
	183
	184	#define USE_STRUCT_CONVENTION(gcc_p, type) (1)
	185
	186	/* Extract from an array REGBUF containing the (raw) register state
	187	the address in which a function should return its structure value,
	188	as a CORE_ADDR (or an expression that can be used as one). */
	189
	190	#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
	191	extract_address (REGBUF + REGISTER_BYTE (0), \
	192	REGISTER_RAW_SIZE (0))
c5aa993b	193
c906108c SS	194	/* Describe the pointer in each stack frame to the previous stack frame
	195	(its caller). */
	196
	197	/* FRAME_CHAIN takes a frame's nominal address
	198	and produces the frame's chain-pointer.
	199
	200	However, if FRAME_CHAIN_VALID returns zero,
	201	it means the given frame is the outermost one and has no caller. */
	202
	203	#define FRAME_CHAIN(FRAME) h8300_frame_chain(FRAME)
a14ed312	204	CORE_ADDR h8300_frame_chain (struct frame_info *);
c906108c SS	205
	206	/* In the case of the H8/300, the frame's nominal address
	207	is the address of a 2-byte word containing the calling frame's address. */
	208
	209	/* Use the alternate method of avoiding running up off the end of
	210	the frame chain or following frames back into the startup code.
	211	See the comments in objfile.h */
	212
c4093a6a	213	#define FRAME_CHAIN_VALID(fp,fi) func_frame_chain_valid (fp, fi)
c906108c SS	214
	215	/* Define other aspects of the stack frame. */
	216
	217	/* A macro that tells us whether the function invocation represented
	218	by FI does not have a frame on the stack associated with it. If it
	219	does not, FRAMELESS is set to 1, else 0. */
392a587b JM	220	#define FRAMELESS_FUNCTION_INVOCATION(FI) \
392a587b JM	221	(frameless_look_for_prologue (FI))
c906108c SS	222
	223	/* Any function with a frame looks like this
	224	SECOND ARG
	225	FIRST ARG
	226	RET PC
	227	SAVED R2
	228	SAVED R3
	229	SAVED FP <-FP POINTS HERE
	230	LOCALS0
	231	LOCALS1 <-SP POINTS HERE
c5aa993b	232	*/
c906108c SS	233
c906108c SS	234	#define FRAME_SAVED_PC(FRAME) h8300_frame_saved_pc(FRAME)
7256e1a5	235	extern CORE_ADDR h8300_frame_saved_pc (struct frame_info *);
c906108c	236
7256e1a5 C	237	#define FRAME_ARGS_ADDRESS(fi) h8300_frame_args_address(fi)
7256e1a5 C	238	extern CORE_ADDR h8300_frame_args_address (struct frame_info *);
c906108c	239
7256e1a5 C	240	#define FRAME_LOCALS_ADDRESS(fi) h8300_frame_locals_address(fi)
7256e1a5 C	241	extern CORE_ADDR h8300_frame_locals_address (struct frame_info *);
c906108c SS	242
	243	/* Set VAL to the number of args passed to frame described by FI.
	244	Can set VAL to -1, meaning no way to tell. */
	245
	246	/* We can't tell how many args there are
	247	now that the C compiler delays popping them. */
	248
392a587b	249	#define FRAME_NUM_ARGS(fi) (-1)
c906108c SS	250
	251	/* Return number of bytes at start of arglist that are not really args. */
	252
	253	#define FRAME_ARGS_SKIP 0
	254
	255	/* Put here the code to store, into a struct frame_saved_regs,
	256	the addresses of the saved registers of frame described by FRAME_INFO.
	257	This includes special registers such as pc and fp saved in special
	258	ways in the stack frame. sp is even more special:
	259	the address we return for it IS the sp for the next frame. */
	260
	261	#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \
	262	h8300_frame_find_saved_regs(frame_info, &(frame_saved_regs))
7256e1a5 C	263	extern void h8300_frame_find_saved_regs (struct frame_info *,
7256e1a5 C	264	struct frame_saved_regs *);
c906108c SS	265	\f
	266
	267	typedef unsigned short INSN_WORD;
	268
	269
7256e1a5 C	270	#define PRINT_REGISTER_HOOK(regno) h8300_print_register_hook(regno)
7256e1a5 C	271	extern void h8300_print_register_hook (int);
c906108c SS	272
	273	#define GDB_TARGET_IS_H8300
	274
	275	#define NUM_REALREGS 10
c5aa993b	276	#define NOP { 0x01, 0x80} /* A sleep insn */
c906108c SS	277
	278	#define BELIEVE_PCC_PROMOTION 1
	279
	280	/*
	281	* CALL_DUMMY stuff:
	282	*/
	283
7a292a7a	284	#define USE_GENERIC_DUMMY_FRAMES 1
c906108c SS	285	#define CALL_DUMMY {0}
	286	#define CALL_DUMMY_LENGTH (0)
	287	#define CALL_DUMMY_ADDRESS() entry_point_address ()
	288	#define CALL_DUMMY_LOCATION AT_ENTRY_POINT
	289	#define CALL_DUMMY_START_OFFSET (0)
	290	#define CALL_DUMMY_BREAKPOINT_OFFSET (0)
	291
a14ed312 KB	292	extern CORE_ADDR h8300_push_arguments (int nargs,
	293	struct value **args,
	294	CORE_ADDR sp,
	295	unsigned char struct_return,
	296	CORE_ADDR struct_addr);
	297	extern CORE_ADDR h8300_push_return_address (CORE_ADDR, CORE_ADDR);
7256e1a5	298	extern void h8300_pop_frame (void);
c906108c	299
7a292a7a	300	#define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP, FP)
c906108c SS	301	#define FIX_CALL_DUMMY(DUMMY, START_SP, FUNADDR, NARGS, ARGS, TYPE, GCCP)
c906108c SS	302	#define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \
392a587b	303	(h8300_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR))
c906108c SS	304	/* Push an empty stack frame, to record the current PC, etc. */
	305	#define PUSH_DUMMY_FRAME generic_push_dummy_frame ()
	306	/* Discard from the stack the innermost frame, restoring all registers. */
	307	#define POP_FRAME h8300_pop_frame ()
	308	#define PUSH_RETURN_ADDRESS(PC, SP) h8300_push_return_address (PC, SP)
	309
	310	/* override the standard get_saved_register function with
	311	one that takes account of generic CALL_DUMMY frames */
7a292a7a SS	312	#define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \
7a292a7a SS	313	generic_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval)