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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/tm-h8500.h
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
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Initial creation of sourceware repository
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diff --git a/gdb/tm-h8500.h b/gdb/tm-h8500.h
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-/* 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