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/* Definitions to make GDB run on an encore under umax 4.2
Copyright 1987, 1989, 1991, 1993, 1994, 1998, 1999, 2000, 2001, 2002
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"
struct value;
struct type;
/* Need to get function ends by adding this to epilogue address from .bf
record, not using x_fsize field. */
#define FUNCTION_EPILOGUE_SIZE 4
/* 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. */
extern CORE_ADDR umax_skip_prologue (CORE_ADDR);
#define SKIP_PROLOGUE(pc) (umax_skip_prologue (pc))
CORE_ADDR ns32k_saved_pc_after_call (struct frame_info *);
#define SAVED_PC_AFTER_CALL(frame) ns32k_saved_pc_after_call ((frame))
/* Address of end of stack space. */
#ifndef STACK_END_ADDR
#define STACK_END_ADDR (0xfffff000)
#endif
/* Stack grows downward. */
#define INNER_THAN(lhs,rhs) core_addr_lessthan ((lhs), (rhs))
extern const unsigned char *ns32k_breakpoint_from_pc (CORE_ADDR *, int *);
#define BREAKPOINT_FROM_PC(PCP, LENP) ns32k_breakpoint_from_pc ((PCP), (LENP))
/* Amount PC must be decremented by after a breakpoint.
This is often the number of bytes in BREAKPOINT
but not always. */
#define DECR_PC_AFTER_BREAK 0
/* Say how long (ordinary) registers are. This is a piece of bogosity
used in push_word and a few other places; REGISTER_RAW_SIZE is the
real way to know how big a register is. */
#define REGISTER_SIZE 4
/* Number of machine registers */
#define NUM_REGS 25
#define NUM_GENERAL_REGS 8
extern char *ns32k_register_name_32082 (int);
extern char *ns32k_register_name_32382 (int);
#define REGISTER_NAME(REGNUM) ns32k_register_name_32082(REGNUM)
/* 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 /* General register 0 */
#define FP0_REGNUM 8 /* Floating point register 0 */
#define SP_REGNUM 16 /* Contains address of top of stack */
#define AP_REGNUM FP_REGNUM
#define FP_REGNUM 17 /* Contains address of executing stack frame */
#define PC_REGNUM 18 /* Contains program counter */
#define PS_REGNUM 19 /* Contains processor status */
#define FPS_REGNUM 20 /* Floating point status register */
#define LP0_REGNUM 21 /* Double register 0 (same as FP0) */
/* Total amount of space needed to store our copies of the machine's
register state, the array `registers'. */
#define REGISTER_BYTES \
((NUM_REGS - 4) * REGISTER_RAW_SIZE(R0_REGNUM) \
+ 4 * REGISTER_RAW_SIZE(LP0_REGNUM))
/* Index within `registers' of the first byte of the space for
register N. */
extern int ns32k_register_byte_32082 (int);
extern int ns32k_register_byte_32382 (int);
#define REGISTER_BYTE(N) ns32k_register_byte_32082 ((N))
extern int ns32k_register_raw_size (int);
#define REGISTER_RAW_SIZE(N) ns32k_register_raw_size ((N))
extern int ns32k_register_virtual_size (int);
#define REGISTER_VIRTUAL_SIZE(N) ns32k_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
struct type *ns32k_register_virtual_type (int);
#define REGISTER_VIRTUAL_TYPE(N) ns32k_register_virtual_type ((N))
extern void ns32k_store_struct_return (CORE_ADDR, CORE_ADDR);
#define STORE_STRUCT_RETURN(ADDR, SP) \
ns32k_store_struct_return ((ADDR), (SP))
extern void ns32k_extract_return_value (struct type *, char *, char *);
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
ns32k_extract_return_value ((TYPE), (REGBUF), (VALBUF))
extern void ns32k_store_return_value (struct type *, char *);
#define STORE_RETURN_VALUE(TYPE,VALBUF) \
ns32k_store_return_value ((TYPE), (VALBUF))
extern CORE_ADDR ns32k_extract_struct_value_address (char *);
#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
ns32k_extract_struct_value_address ((REGBUF))
/* Describe the pointer in each stack frame to the previous stack frame
(its caller). */
CORE_ADDR ns32k_frame_chain (struct frame_info *);
#define FRAME_CHAIN(thisframe) ns32k_frame_chain ((thisframe))
CORE_ADDR ns32k_frame_saved_pc (struct frame_info *);
#define FRAME_SAVED_PC(FRAME) ns32k_frame_saved_pc ((FRAME))
CORE_ADDR ns32k_frame_args_address (struct frame_info *);
#define FRAME_ARGS_ADDRESS(fi) ns32k_frame_args_address ((fi))
CORE_ADDR ns32k_frame_locals_address (struct frame_info *);
#define FRAME_LOCALS_ADDRESS(fi) ns32k_frame_locals_address ((fi))
/* Return number of args passed to a frame.
Can return -1, meaning no way to tell. */
extern int umax_frame_num_args (struct frame_info *);
#define FRAME_NUM_ARGS(fi) (umax_frame_num_args ((fi)))
/* Return number of bytes at start of arglist that are not really args. */
#define FRAME_ARGS_SKIP 8
void ns32k_frame_init_saved_regs (struct frame_info *);
#define FRAME_INIT_SAVED_REGS(FI) ns32k_frame_init_saved_regs ((FI))
/* Things needed for making the inferior call functions. */
extern void ns32k_push_dummy_frame (void);
#define PUSH_DUMMY_FRAME ns32k_push_dummy_frame ()
extern void ns32k_pop_frame (void);
#define POP_FRAME ns32k_pop_frame ()
extern LONGEST ns32k_call_dummy_words[];
#define CALL_DUMMY_WORDS ns32k_call_dummy_words
extern int sizeof_ns32k_call_dummy_words;
#define SIZEOF_CALL_DUMMY_WORDS sizeof_ns32k_call_dummy_words
#define CALL_DUMMY_START_OFFSET 3
extern void ns32k_fix_call_dummy (char *, CORE_ADDR, CORE_ADDR, int,
struct value **, struct type *, int);
#define FIX_CALL_DUMMY(dummy, pc, fun, nargs, args, type, gcc_p) \
ns32k_fix_call_dummy ((dummy), (pc), (fun), (nargs), (args), (type), (gcc_p))
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