--- /dev/null
+/* Target-specific definition for the Mitsubishi D10V
+ Copyright (C) 1996 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
+
+
+/* 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
+
+/* Advance PC across any function entry prologue instructions
+ to reach some "real" code. */
+
+extern CORE_ADDR d10v_skip_prologue ();
+#define SKIP_PROLOGUE(ip) \
+ {(ip) = d10v_skip_prologue(ip);}
+
+
+/* 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.
+
+ The return address is the value saved in the PR register + 4 */
+
+#define SAVED_PC_AFTER_CALL(frame) \
+ (ADDR_BITS_REMOVE(read_register(PR_REGNUM)))
+
+/* Stack grows downward. */
+
+#define INNER_THAN <
+
+ /* for a breakpoint, use "dbt || nop" */
+#define BREAKPOINT {0x2f, 0x90, 0x5e, 0x00}
+
+/* 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
+
+#define REGISTER_NAMES \
+{ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
+ "r8", "r9", "r10","r11","r12", "r13", "r14","sp",\
+ "psw","bpsw","pc","bpc", "cr4", "cr5", "cr6", "rpt_c",\
+ "rpt_s","rpt_e", "mod_s", "mod_e", "cr12", "cr13", "iba", "cr15",\
+ "a0", "a1"\
+ }
+
+#define NUM_REGS 34
+
+/* 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 PR_REGNUM 17
+#define PSW_REGNUM 16
+#define A0_REGNUM 32
+
+/* 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. */
+
+#define REGISTER_BYTE(N) \
+( ((N) > A0_REGNUM) ? ( ((N)-A0_REGNUM)*8 + A0_REGNUM*2 ) : ((N) * 2) )
+
+/* Number of bytes of storage in the actual machine representation
+ for register N. */
+
+#define REGISTER_RAW_SIZE(N) ( ((N) >= A0_REGNUM) ? 8 : 2 )
+
+/* Number of bytes of storage in the program's representation
+ for register N. */
+#define REGISTER_VIRTUAL_SIZE(N) ( ((N) >= A0_REGNUM) ? 8 : 2 )
+
+/* 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. */
+
+#define REGISTER_VIRTUAL_TYPE(N) \
+( ((N) < A0_REGNUM ) ? builtin_type_short : builtin_type_long_long)
+
+
+/* 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 R2 */
+
+#define STORE_STRUCT_RETURN(ADDR, SP) \
+ { write_register (2, (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) \
+ memcpy (VALBUF, (char *)(REGBUF), TYPE_LENGTH(TYPE))
+
+
+/* Write into appropriate registers a function return value
+ of type TYPE, given in virtual format.
+
+ Things always get returned in R2/R3 */
+
+#define STORE_RETURN_VALUE(TYPE,VALBUF) \
+ write_register_bytes (REGISTER_BYTE(2), 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))
+\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 leaf_function; \
+ int f_offset;
+
+#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \
+ d10v_init_extra_frame_info(fromleaf, 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) \
+ (FRAMELESS) = frameless_look_for_prologue(FI)
+
+#define FRAME_CHAIN(FRAME) d10v_frame_chain(FRAME)
+#define FRAME_SAVED_PC(FRAME) ((FRAME)->return_pc)
+#define FRAME_ARGS_ADDRESS(fi) (fi)->frame
+#define FRAME_LOCALS_ADDRESS(fi) (fi)->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(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) \
+ d10v_frame_find_saved_regs(frame_info, &(frame_saved_regs))
+
+#define NAMES_HAVE_UNDERSCORE
+
+typedef unsigned short INSN_WORD;
+
+#define ADDR_BITS_REMOVE(addr) ((addr))
+
+#define CALL_DUMMY_LENGTH 10
+
+/* Discard from the stack the innermost frame,
+ restoring all saved registers. */
+
+#define POP_FRAME d10v_pop_frame();
+
+#define REGISTER_SIZE 2
+
+# ifdef CC_HAS_LONG_LONG
+# define LONGEST long long
+# else
+# define LONGEST long
+# endif
+
+void d10v_write_register_pid PARAMS (( int regno, LONGEST val, int pid));
+CORE_ADDR d10v_read_register_pid PARAMS ((int regno, int pid));
+
+#define TARGET_READ_PC(pid) d10v_read_register_pid (PC_REGNUM, pid)
+#define TARGET_WRITE_PC(val,pid) d10v_write_register_pid (PC_REGNUM, val, pid)
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