* findvar.c (read_register, write_register): Make these capable

of reading/writing registers that are shorter than REGISTER_TYPE.
	* (value_from_register):  Install H8500 specific code to return
	proper value when register is being used as a pointer.
	* h8500-tdep.c:  Remove extra defines of NUM_REGS.
	(h8500_skip_prologue):  Use correct lengths for LINK instructions.
	(FRAME_CHAIN):  Change name to h8500_frame_chain.  Rewrite code to
	chain frames properly by combining frame pointer with T reg.
	(init_extra_frame_info):  Delete.  It's now a macro.
	(frame_args_address):  Don't add PTR_SIZE.  Stack args are already
	offset by the correct amount off of the frame pointer.
	(register_byte):  Delete.  It's now a macro.
	(register_raw_size, register_virtual_size):  Delete.  Replaced by
	common routine h8500_register_size, cuz there's no difference
	between the raw & virtual sizes on this machine.
	(register_convert_to_raw, register_convert_to_virtual):  Delete,
	cuz there's no difference between the raw & virtual forms.
	Replaced by memcpy in tm file.
	(register_virtual_type):  Rename to h8500_register_virtual_type.
	Get rid of pointer pseudo-regs, use _REGNUM with all reg names.
	(_initialize_h8500_tdep):  Get rid of crock to ensure that GDB &
	emulator have same reg offsets.  This is all handled in the
	simulator code now.
	(h8500_trapped_internalvar):  New routine to detect references to
	convenience vars acting as pointer pseudo-regs.
	(h8500_value_trapped_internalvar):  Conjure up value of pointer
	pseudo-regs.
	(h8500_set_trapped_internalvar):  Convert set value in real
	register references.
	infcmd.c (read_pc, write_pc):  Add h8500 specific code to handle
	code segment register.
	infrun.c (proceed):  Simplify.  Call write_pc instead of doing it
	by hand.
	(wait_for_inferior):  Add h8500 specific code to add stack segment
	when reading SP register.
	remote-sim.c (fetch_register):  Spacing.
	tm-h8500.h:  #define GDB_TARGET_IS_H8500 to make it easier to
	detect cruft.  Redo all register manipulation stuff.  Get rid of
	pointer pseudo-regs.  (INIT_EXTRA_FRAME_INFO):  Adds stack segment
	to frame pointer.  (IS_TRAPPED_INTERNALVAL,
	VALUE_OF_TRAPPED_INTERNALVAR, SET_TRAPPED_INTERNALVAR):  Use these
	to create internal vars for pointer pseudo-regs.
This commit is contained in:
Stu Grossman 1993-03-25 22:34:26 +00:00
parent 61001d969d
commit ccf1e898d7
4 changed files with 507 additions and 198 deletions

View File

@ -1,3 +1,48 @@
Thu Mar 25 12:26:50 1993 Stu Grossman (grossman@cygnus.com)
* findvar.c (read_register, write_register): Make these capable
of reading/writing registers that are shorter than REGISTER_TYPE.
* (value_from_register): Install H8500 specific code to return
proper value when register is being used as a pointer.
* h8500-tdep.c: Remove extra defines of NUM_REGS.
(h8500_skip_prologue): Use correct lengths for LINK instructions.
(FRAME_CHAIN): Change name to h8500_frame_chain. Rewrite code to
chain frames properly by combining frame pointer with T reg.
(init_extra_frame_info): Delete. It's now a macro.
(frame_args_address): Don't add PTR_SIZE. Stack args are already
offset by the correct amount off of the frame pointer.
(register_byte): Delete. It's now a macro.
(register_raw_size, register_virtual_size): Delete. Replaced by
common routine h8500_register_size, cuz there's no difference
between the raw & virtual sizes on this machine.
(register_convert_to_raw, register_convert_to_virtual): Delete,
cuz there's no difference between the raw & virtual forms.
Replaced by memcpy in tm file.
(register_virtual_type): Rename to h8500_register_virtual_type.
Get rid of pointer pseudo-regs, use _REGNUM with all reg names.
(_initialize_h8500_tdep): Get rid of crock to ensure that GDB &
emulator have same reg offsets. This is all handled in the
simulator code now.
(h8500_trapped_internalvar): New routine to detect references to
convenience vars acting as pointer pseudo-regs.
(h8500_value_trapped_internalvar): Conjure up value of pointer
pseudo-regs.
(h8500_set_trapped_internalvar): Convert set value in real
register references.
infcmd.c (read_pc, write_pc): Add h8500 specific code to handle
code segment register.
infrun.c (proceed): Simplify. Call write_pc instead of doing it
by hand.
(wait_for_inferior): Add h8500 specific code to add stack segment
when reading SP register.
remote-sim.c (fetch_register): Spacing.
tm-h8500.h: #define GDB_TARGET_IS_H8500 to make it easier to
detect cruft. Redo all register manipulation stuff. Get rid of
pointer pseudo-regs. (INIT_EXTRA_FRAME_INFO): Adds stack segment
to frame pointer. (IS_TRAPPED_INTERNALVAL,
VALUE_OF_TRAPPED_INTERNALVAR, SET_TRAPPED_INTERNALVAR): Use these
to create internal vars for pointer pseudo-regs.
Thu Mar 25 10:10:28 1993 Fred Fish (fnf@cygnus.com)
* Makefile.in: Numerous small changes to macro definitions

View File

@ -28,15 +28,13 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "symtab.h"
#include "gdbtypes.h"
#include "gdbcmd.h"
#include "value.h"
#include "dis-asm.h"
#include "../opcodes/h8500-opc.h"
;
#undef NUM_REGS
#define NUM_REGS 11
#define UNSIGNED_SHORT(X) ((X) & 0xffff)
/* Shape of an H8/500 frame :
@ -79,6 +77,11 @@ int minimum_mode = 1;
CORE_ADDR examine_prologue ();
void frame_find_saved_regs ();
int regoff[NUM_REGS] = {0, 2, 4, 6, 8, 10, 12, 14, /* r0->r7 */
16, 18, /* ccr, pc */
20, 21, 22, 23}; /* cp, dp, ep, tp */
CORE_ADDR
h8500_skip_prologue (start_pc)
CORE_ADDR start_pc;
@ -86,47 +89,20 @@ h8500_skip_prologue (start_pc)
{
short int w;
w = read_memory_integer (start_pc, 1);
if (w == LINK_8)
{
start_pc ++;
start_pc += 2;
w = read_memory_integer (start_pc,1);
}
if (w == LINK_16)
{
start_pc +=2;
start_pc += 3;
w = read_memory_integer (start_pc,2);
}
/* Skip past a move to FP */
if (IS_MOVE_FP (w))
{
start_pc += 2;
w = read_memory_short (start_pc);
}
/* Skip the stack adjust */
if (IS_MOVK_R5 (w))
{
start_pc += 2;
w = read_memory_short (start_pc);
}
if (IS_SUB_R5SP (w))
{
start_pc += 2;
w = read_memory_short (start_pc);
}
while (IS_SUB2_SP (w))
{
start_pc += 2;
w = read_memory_short (start_pc);
}
return start_pc;
}
int
@ -150,22 +126,15 @@ print_insn (memaddr, stream)
the function prologue to determine the caller's sp value, and return it. */
FRAME_ADDR
FRAME_CHAIN (thisframe)
h8500_frame_chain (thisframe)
FRAME thisframe;
{
static int loopcount;
static int prevr;
if (!inside_entry_file ((thisframe)->pc))
{
int v = read_memory_integer ((thisframe)->frame, PTR_SIZE) ;
/* Detect loops in the stack */
if (v == prevr) loopcount++;
else loopcount = 0;
v = prevr;
if (loopcount > 5) return 0;
}
return 0;
if (!inside_entry_file (thisframe->pc))
return read_memory_integer(thisframe->frame, 2)
| (read_register(SEG_T_REGNUM) << 16);
else
return 0;
}
/* Put here the code to store, into a struct frame_saved_regs,
@ -361,19 +330,6 @@ examine_prologue (ip, limit, after_prolog_fp, fsr, fi)
return (ip);
}
#endif
#if 0
void
init_extra_frame_info (fromleaf, fi)
int fromleaf;
struct frame_info *fi;
{
fi->fsr = 0; /* Not yet allocated */
fi->args_pointer = 0; /* Unknown */
fi->locals_pointer = 0; /* Unknown */
fi->from_pc = 0;
}
#endif
/* Return the saved PC from this frame. */
@ -381,7 +337,7 @@ CORE_ADDR
frame_saved_pc (frame)
FRAME frame;
{
return read_memory_integer ((frame)->frame + 2, PTR_SIZE);
return read_memory_integer ((frame)->frame + 2, PTR_SIZE);
}
CORE_ADDR
@ -398,7 +354,7 @@ CORE_ADDR
frame_args_address (fi)
struct frame_info *fi;
{
return fi->frame + PTR_SIZE; /* Skip the PC */
return fi->frame;
}
void
@ -474,127 +430,43 @@ print_register_hook (regno)
}
}
#if 0
register_byte (N)
int
h8500_register_size (regno)
int regno;
{
return reginfo[N].offset;
}
#endif
register_raw_size (N)
{
if (N <= R7) return 2;
return 4;
}
register_virtual_size (N)
{
if (N <= R7) return 2;
return 4;
}
register_convert_to_raw (regnum, from, to)
int regnum;
char *from;
char *to;
{
switch (regnum)
{
case PR0:
case PR1:
case PR2:
case PR3:
case PR4:
case PR5:
case PR6:
case PR7:
case PC_REGNUM:
to[0] = 0;
to[1] = from[1];
to[2] = from[2];
to[3] = from[3];
break;
default:
to[0] = from[0];
to[1] = from[1];
break;
}
}
register_convert_to_virtual (regnum, from, to)
int regnum;
char *from;
char *to;
{
switch (regnum)
{
case PR0:
case PR1:
case PR2:
case PR3:
case PR4:
case PR5:
case PR6:
case PR7:
case PC_REGNUM:
to[0] = 0;
to[1] = from[1];
to[2] = from[2];
to[3] = from[3];
break;
default:
to[0] = from[0];
to[1] = from[1];
break;
}
if (regno <= PC_REGNUM)
return 2;
else
return 1;
}
struct type *
register_virtual_type (N)
h8500_register_virtual_type (regno)
int regno;
{
switch (N)
switch (regno)
{
/* Although these are actually word size registers, we treat them
like longs so that we can deal with any implicit segmentation */
case PR0:
case PR1:
case PR2:
case PR3:
case PR4:
case PR5:
case PR6:
case PR7:
case PC_REGNUM:
return builtin_type_unsigned_long;
case SEG_C:
case SEG_E:
case SEG_D:
case SEG_T:
case SEG_C_REGNUM:
case SEG_E_REGNUM:
case SEG_D_REGNUM:
case SEG_T_REGNUM:
return builtin_type_unsigned_char;
case R0:
case R1:
case R2:
case R3:
case R4:
case R5:
case R6:
case R7:
case R0_REGNUM:
case R1_REGNUM:
case R2_REGNUM:
case R3_REGNUM:
case R4_REGNUM:
case R5_REGNUM:
case R6_REGNUM:
case R7_REGNUM:
case PC_REGNUM:
case CCR_REGNUM:
return builtin_type_unsigned_short;
default:
abort();
}
}
/* 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
@ -769,28 +641,119 @@ set_memory (args, from_tty)
help_list (setmemorylist, "set memory ", -1, stdout);
}
/* See if variable name is ppc or pr[0-7] */
int
h8500_is_trapped_internalvar (name)
char *name;
{
if (name[0] != 'p')
return 0;
if (strcmp(name+1, "pc") == 0)
return 1;
if (name[1] == 'r'
&& name[2] >= '0'
&& name[2] <= '7'
&& name[3] == '\000')
return 1;
else
return 0;
}
PTR
h8500_value_of_trapped_internalvar (var)
struct internalvar *var;
{
LONGEST regval;
unsigned char regbuf[4];
int page_regnum, regnum;
regnum = var->name[2] == 'c' ? PC_REGNUM : var->name[2] - '0';
switch (var->name[2])
{
case 'c':
page_regnum = SEG_C_REGNUM;
break;
case '0': case '1': case '2': case '3':
page_regnum = SEG_D_REGNUM;
break;
case '4': case '5':
page_regnum = SEG_E_REGNUM;
break;
case '6': case '7':
page_regnum = SEG_T_REGNUM;
break;
}
get_saved_register (regbuf, NULL, NULL, selected_frame, page_regnum, NULL);
regval = regbuf[0] << 16;
get_saved_register (regbuf, NULL, NULL, selected_frame, regnum, NULL);
regval |= regbuf[0] << 8 | regbuf[1]; /* XXX host/target byte order */
free (var->value); /* Free up old value */
var->value = value_from_longest (builtin_type_unsigned_long, regval);
release_value (var->value); /* Unchain new value */
VALUE_LVAL (var->value) = lval_internalvar;
VALUE_INTERNALVAR (var->value) = var;
return var->value;
}
void
h8500_set_trapped_internalvar (var, newval, bitpos, bitsize, offset)
struct internalvar *var;
int offset, bitpos, bitsize;
value newval;
{
char *page_regnum, *regnum;
char expression[100];
unsigned new_regval;
struct type *type;
enum type_code newval_type_code;
type = VALUE_TYPE (newval);
newval_type_code = TYPE_CODE (type);
if ((newval_type_code != TYPE_CODE_INT
&& newval_type_code != TYPE_CODE_PTR)
|| TYPE_LENGTH (type) != sizeof(new_regval))
error("Illegal type (%s) for assignment to $%s\n",
TYPE_NAME (type), var->name);
new_regval = *(long *)VALUE_CONTENTS_RAW(newval);
regnum = var->name + 1;
switch (var->name[2])
{
case 'c':
page_regnum = "cp";
break;
case '0': case '1': case '2': case '3':
page_regnum = "dp";
break;
case '4': case '5':
page_regnum = "ep";
break;
case '6': case '7':
page_regnum = "tp";
break;
}
sprintf (expression, "$%s=%d", page_regnum, new_regval >> 16);
parse_and_eval(expression);
sprintf (expression, "$%s=%d", regnum, new_regval & 0xffff);
parse_and_eval(expression);
}
_initialize_h8500_tdep ()
{
/* Sanitity check a few things */
if (FP_REGNUM != GPR6
|| SP_REGNUM != GPR7
|| CCR_REGNUM != GCCR
|| PC_REGNUM != GPC
|| SEG_C != GSEGC
|| SEG_D != GSEGD
|| SEG_E != GSEGE
|| SEG_T != GSEGT
|| PR0 != GPR0
|| PR1 != GPR1
|| PR2 != GPR2
|| PR3 != GPR3
|| PR4 != GPR4
|| PR5 != GPR5
|| PR6 != GPR6
|| PR7 != GPR7)
abort ();
add_prefix_cmd ("memory", no_class, set_memory,
"set the memory model", &setmemorylist, "set memory ", 0,
&setlist);

View File

@ -191,23 +191,22 @@ sim_wait (status)
return 0;
}
static void
fetch_register(regno)
int regno;
int regno;
{
if (regno == -1)
{
for (regno = 0; regno < NUM_REGS; regno++)
fetch_register(regno);
}
{
for (regno = 0; regno < NUM_REGS; regno++)
fetch_register(regno);
}
else
{
char buf[MAX_REGISTER_RAW_SIZE];
sim_fetch_register(regno, buf);
supply_register(regno, buf);
}
{
char buf[MAX_REGISTER_RAW_SIZE];
sim_fetch_register(regno, buf);
supply_register(regno, buf);
}
}

302
gdb/tm-h8500.h Normal file
View File

@ -0,0 +1,302 @@
/* Parameters for execution on a H8/500 series machine.
Copyright (C) 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Contributed by Steve Chamberlain sac@cygnus.com */
#define GDB_TARGET_IS_H8500
#define IEEE_FLOAT 1
/* Define the bit, byte, and word ordering of the machine. */
#define TARGET_BYTE_ORDER BIG_ENDIAN
#undef TARGET_INT_BIT
#define TARGET_INT_BIT 16
#undef TARGET_PTR_BIT
#define TARGET_PTR_BIT (minimum_mode ? 16 : 32)
/* 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) {(ip) = h8500_skip_prologue(ip);}
extern CORE_ADDR h8500_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) saved_pc_after_call(frame)
/* Stack grows downward. */
#define INNER_THAN <
/* Illegal instruction - used by the simulator for breakpoint
detection */
#define BREAKPOINT {0x0b}
/* 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
/* Nonzero if instruction at PC is a return instruction. */
#define ABOUT_TO_RETURN(pc) about_to_return(pc)
/* Return 1 if P points to an invalid floating point value. */
#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */
/* Say how long registers are. */
#define REGISTER_TYPE unsigned long
/* Say how much memory is needed to store a copy of the register set */
#define REGISTER_BYTES (24)
/* Index within `registers' of the first byte of the space for
register N. */
int regoff[];
#define REGISTER_BYTE(N) (regoff[N])
/* Number of bytes of storage in the actual machine representation
for register N. */
#define REGISTER_RAW_SIZE(N) h8500_register_size(N)
int h8500_register_size PARAMS ((int regno));
#define REGISTER_VIRTUAL_SIZE(N) h8500_register_size(N)
/* 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
/* Nonzero if register N requires conversion
from raw format to virtual format. */
#define REGISTER_CONVERTIBLE(N) (0)
/* Convert data from raw format for register REGNUM
to virtual format for register REGNUM. */
#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \
{ memcpy ((TO), (FROM), 4); }
/* Convert data from virtual format for register REGNUM
to raw format for register REGNUM. */
#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \
{ memcpy ((TO), (FROM), 4); }
/* Return the GDB type object for the "standard" data type
of data in register N. */
#define REGISTER_VIRTUAL_TYPE(N) h8500_register_virtual_type(N)
struct type *h8500_register_virtual_type PARAMS ((int regno));
/* 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", "r7", \
"ccr","pc", \
"cp","dp","ep","tp" }
/* 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 R1_REGNUM 1
#define R2_REGNUM 2
#define R3_REGNUM 3
#define R4_REGNUM 4
#define R5_REGNUM 5
#define R6_REGNUM 6
#define R7_REGNUM 7
#define SP_REGNUM R7_REGNUM /* Contains address of top of stack */
#define FP_REGNUM R6_REGNUM /* Contains address of executing stack frame */
#define CCR_REGNUM 8 /* Contains processor status */
#define PC_REGNUM 9 /* Contains program counter */
#define SEG_C_REGNUM 10 /* Segment registers */
#define SEG_D_REGNUM 11
#define SEG_E_REGNUM 12
#define SEG_T_REGNUM 13
#define NUM_REGS 14
#define PTR_SIZE (minimum_mode ? 2: 4)
#define PTR_MASK (minimum_mode ? 0x0000ffff : 0x00ffffff)
/* Store the address of the place in which to copy the structure the
subroutine will return. This is called from call_function. */
/*#define STORE_STRUCT_RETURN(ADDR, SP) \
{ write_register (0, (ADDR)); abort(); }*/
/* 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) \
bcopy ((char *)(REGBUF), VALBUF, TYPE_LENGTH(TYPE))
/* Write into appropriate registers a function return value
of type TYPE, given in virtual format. Assumes floats are passed
in d0/d1. */
#define STORE_RETURN_VALUE(TYPE,VALBUF) \
write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE))
/* 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) (*(CORE_ADDR *)(REGBUF))
/* 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) \
(FRAMELESS) = 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
*/
CORE_ADDR h8500_frame_chain PARAMS ((FRAME thisframe));
#define INIT_EXTRA_FRAME_INFO(fromleaf, fci) \
(fci)->frame |= read_register(SEG_T_REGNUM) << 16;
#define FRAME_CHAIN(FRAME) h8500_frame_chain(FRAME)
#define FRAME_SAVED_PC(FRAME) frame_saved_pc(FRAME)
#define FRAME_ARGS_ADDRESS(fi) frame_args_address(fi)
#define FRAME_LOCALS_ADDRESS(fi) frame_locals_address(fi);
/* 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(val,fi) (val = -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) \
frame_find_saved_regs(frame_info, &(frame_saved_regs))
/* Push an empty stack frame, to record the current PC, etc. */
/*#define PUSH_DUMMY_FRAME { h8300_push_dummy_frame (); }*/
/* Discard from the stack the innermost frame, restoring all registers. */
#define POP_FRAME { h8300_pop_frame (); }
#define SHORT_INT_MAX 32767
#define SHORT_INT_MIN -32768
#define BEFORE_MAIN_LOOP_HOOK \
hms_before_main_loop();
#define NAMES_HAVE_UNDERSCORE
typedef unsigned short INSN_WORD;
#define ADDR_BITS_REMOVE(addr) ((addr) & 0xffffff)
#define ADDR_BITS_SET(addr) (((addr)))
#define read_memory_short(x) (read_memory_integer(x,2) & 0xffff)
#define DONT_USE_REMOTE
#define PRINT_REGISTER_HOOK(regno) print_register_hook(regno)
int minimum_mode;
#define CALL_DUMMY_LENGTH 10
/* Fake variables to make it easy to use 24 bit register pointers */
int h8500_is_trapped_internalvar PARAMS ((char *name));
#define IS_TRAPPED_INTERNALVAR h8500_is_trapped_internalvar
PTR h8500_value_of_trapped_internalvar PARAMS ((struct internalvar *var));
#define VALUE_OF_TRAPPED_INTERNALVAR h8500_value_of_trapped_internalvar
void h8500_set_trapped_internalvar PARAMS ((struct internalvar *var, value newval, int bitpos, int bitsize, int offset));
#define SET_TRAPPED_INTERNALVAR h8500_set_trapped_internalvar