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[/] [or1k/] [trunk/] [gdb-5.0/] [gdb/] [config/] [d30v/] [tm-d30v.h] - Diff between revs 107 and 1765

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/* Target-specific definition for the Mitsubishi D30V
/* Target-specific definition for the Mitsubishi D30V
   Copyright (C) 1997 Free Software Foundation, Inc.
   Copyright (C) 1997 Free Software Foundation, Inc.
 
 
   This file is part of GDB.
   This file is part of GDB.
 
 
   This program is free software; you can redistribute it and/or modify
   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
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   (at your option) any later version.
 
 
   This program is distributed in the hope that it will be useful,
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   GNU General Public License for more details.
 
 
   You should have received a copy of the GNU General Public License
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330,
   Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */
   Boston, MA 02111-1307, USA.  */
 
 
#ifndef TM_D30V_H
#ifndef TM_D30V_H
#define TM_D30V_H
#define TM_D30V_H
 
 
/* Define the bit, byte, and word ordering of the machine.  */
/* Define the bit, byte, and word ordering of the machine.  */
 
 
#define TARGET_BYTE_ORDER       BIG_ENDIAN
#define TARGET_BYTE_ORDER       BIG_ENDIAN
 
 
/* Offset from address of function to start of its code.
/* Offset from address of function to start of its code.
   Zero on most machines.  */
   Zero on most machines.  */
 
 
#define FUNCTION_START_OFFSET 0
#define FUNCTION_START_OFFSET 0
 
 
/* these are the addresses the D30V-EVA board maps data */
/* these are the addresses the D30V-EVA board maps data */
/* and instruction memory to. */
/* and instruction memory to. */
 
 
#define DMEM_START      0x20000000
#define DMEM_START      0x20000000
#define IMEM_START      0x00000000      /* was 0x10000000 */
#define IMEM_START      0x00000000      /* was 0x10000000 */
#define STACK_START     0x20007ffe
#define STACK_START     0x20007ffe
 
 
/* Forward decls for prototypes */
/* Forward decls for prototypes */
struct frame_info;
struct frame_info;
struct frame_saved_regs;
struct frame_saved_regs;
struct type;
struct type;
struct value;
struct value;
 
 
/* Advance PC across any function entry prologue instructions
/* Advance PC across any function entry prologue instructions
   to reach some "real" code.  */
   to reach some "real" code.  */
 
 
extern CORE_ADDR d30v_skip_prologue PARAMS ((CORE_ADDR));
extern CORE_ADDR d30v_skip_prologue PARAMS ((CORE_ADDR));
#define SKIP_PROLOGUE(ip) (d30v_skip_prologue (ip))
#define SKIP_PROLOGUE(ip) (d30v_skip_prologue (ip))
 
 
 
 
/* Stack grows downward.  */
/* Stack grows downward.  */
#define INNER_THAN(lhs,rhs) ((lhs) < (rhs))
#define INNER_THAN(lhs,rhs) ((lhs) < (rhs))
 
 
/* for a breakpoint, use "dbt || nop" */
/* for a breakpoint, use "dbt || nop" */
#define BREAKPOINT {0x00, 0xb0, 0x00, 0x00,\
#define BREAKPOINT {0x00, 0xb0, 0x00, 0x00,\
                    0x00, 0xf0, 0x00, 0x00}
                    0x00, 0xf0, 0x00, 0x00}
 
 
/* If your kernel resets the pc after the trap happens you may need to
/* If your kernel resets the pc after the trap happens you may need to
   define this before including this file.  */
   define this before including this file.  */
#define DECR_PC_AFTER_BREAK 0
#define DECR_PC_AFTER_BREAK 0
 
 
#define REGISTER_NAMES \
#define REGISTER_NAMES \
{   "r0",  "r1",  "r2",  "r3",  "r4",  "r5",  "r6",  "r7",      \
{   "r0",  "r1",  "r2",  "r3",  "r4",  "r5",  "r6",  "r7",      \
    "r8",  "r9",  "r10", "r11", "r12", "r13", "r14", "r15",     \
    "r8",  "r9",  "r10", "r11", "r12", "r13", "r14", "r15",     \
    "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",     \
    "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",     \
    "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",     \
    "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",     \
    "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r39",     \
    "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r39",     \
    "r40", "r41", "r42", "r43", "r44", "r45", "r46", "r47",     \
    "r40", "r41", "r42", "r43", "r44", "r45", "r46", "r47",     \
    "r48", "r49", "r50", "r51", "r52", "r53", "r54", "r55",     \
    "r48", "r49", "r50", "r51", "r52", "r53", "r54", "r55",     \
    "r56", "r57", "r58", "r59", "r60", "r61", "r62", "r63",     \
    "r56", "r57", "r58", "r59", "r60", "r61", "r62", "r63",     \
    "spi", "spu", \
    "spi", "spu", \
    "psw", "bpsw", "pc", "bpc", "dpsw", "dpc", "cr6", "rpt_c",  \
    "psw", "bpsw", "pc", "bpc", "dpsw", "dpc", "cr6", "rpt_c",  \
    "rpt_s", "rpt_e", "mod_s", "mod_e", "cr12", "cr13", "iba", "eit_vb",\
    "rpt_s", "rpt_e", "mod_s", "mod_e", "cr12", "cr13", "iba", "eit_vb",\
    "int_s", "int_m", "a0", "a1" \
    "int_s", "int_m", "a0", "a1" \
    }
    }
 
 
#define NUM_REGS 86
#define NUM_REGS 86
 
 
/* Register numbers of various important registers.
/* Register numbers of various important registers.
   Note that some of these values are "real" register numbers,
   Note that some of these values are "real" register numbers,
   and correspond to the general registers of the machine,
   and correspond to the general registers of the machine,
   and some are "phony" register numbers which are too large
   and some are "phony" register numbers which are too large
   to be actual register numbers as far as the user is concerned
   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.  */
   but do serve to get the desired values when passed to read_register.  */
 
 
#define R0_REGNUM       0
#define R0_REGNUM       0
#define FP_REGNUM       61
#define FP_REGNUM       61
#define LR_REGNUM       62
#define LR_REGNUM       62
#define SP_REGNUM       63
#define SP_REGNUM       63
#define SPI_REGNUM      64      /* Interrupt stack pointer */
#define SPI_REGNUM      64      /* Interrupt stack pointer */
#define SPU_REGNUM      65      /* User stack pointer */
#define SPU_REGNUM      65      /* User stack pointer */
#define CREGS_START     66
#define CREGS_START     66
 
 
#define PSW_REGNUM      (CREGS_START + 0)       /* psw, bpsw, or dpsw??? */
#define PSW_REGNUM      (CREGS_START + 0)       /* psw, bpsw, or dpsw??? */
#define     PSW_SM (((unsigned long)0x80000000) >> 0)   /* Stack mode: 0/SPI */
#define     PSW_SM (((unsigned long)0x80000000) >> 0)   /* Stack mode: 0/SPI */
                                                        /*             1/SPU */
                                                        /*             1/SPU */
#define     PSW_EA (((unsigned long)0x80000000) >> 2)   /* Execution status */
#define     PSW_EA (((unsigned long)0x80000000) >> 2)   /* Execution status */
#define     PSW_DB (((unsigned long)0x80000000) >> 3)   /* Debug mode */
#define     PSW_DB (((unsigned long)0x80000000) >> 3)   /* Debug mode */
#define     PSW_DS (((unsigned long)0x80000000) >> 4)   /* Debug EIT status */
#define     PSW_DS (((unsigned long)0x80000000) >> 4)   /* Debug EIT status */
#define     PSW_IE (((unsigned long)0x80000000) >> 5)   /* Interrupt enable */
#define     PSW_IE (((unsigned long)0x80000000) >> 5)   /* Interrupt enable */
#define     PSW_RP (((unsigned long)0x80000000) >> 6)   /* Repeat enable */
#define     PSW_RP (((unsigned long)0x80000000) >> 6)   /* Repeat enable */
#define     PSW_MD (((unsigned long)0x80000000) >> 7)   /* Modulo enable */
#define     PSW_MD (((unsigned long)0x80000000) >> 7)   /* Modulo enable */
#define     PSW_F0 (((unsigned long)0x80000000) >> 17)  /* F0 flag */
#define     PSW_F0 (((unsigned long)0x80000000) >> 17)  /* F0 flag */
#define     PSW_F1 (((unsigned long)0x80000000) >> 19)  /* F1 flag */
#define     PSW_F1 (((unsigned long)0x80000000) >> 19)  /* F1 flag */
#define     PSW_F2 (((unsigned long)0x80000000) >> 21)  /* F2 flag */
#define     PSW_F2 (((unsigned long)0x80000000) >> 21)  /* F2 flag */
#define     PSW_F3 (((unsigned long)0x80000000) >> 23)  /* F3 flag */
#define     PSW_F3 (((unsigned long)0x80000000) >> 23)  /* F3 flag */
#define     PSW_S  (((unsigned long)0x80000000) >> 25)  /* Saturation flag */
#define     PSW_S  (((unsigned long)0x80000000) >> 25)  /* Saturation flag */
#define     PSW_V  (((unsigned long)0x80000000) >> 27)  /* Overflow flag */
#define     PSW_V  (((unsigned long)0x80000000) >> 27)  /* Overflow flag */
#define     PSW_VA (((unsigned long)0x80000000) >> 29)  /* Accum. overflow */
#define     PSW_VA (((unsigned long)0x80000000) >> 29)  /* Accum. overflow */
#define     PSW_C  (((unsigned long)0x80000000) >> 31)  /* Carry/Borrow flag */
#define     PSW_C  (((unsigned long)0x80000000) >> 31)  /* Carry/Borrow flag */
 
 
#define BPSW_REGNUM     (CREGS_START + 1)       /* Backup PSW (on interrupt) */
#define BPSW_REGNUM     (CREGS_START + 1)       /* Backup PSW (on interrupt) */
#define PC_REGNUM       (CREGS_START + 2)       /* pc, bpc, or dpc??? */
#define PC_REGNUM       (CREGS_START + 2)       /* pc, bpc, or dpc??? */
#define BPC_REGNUM      (CREGS_START + 3)       /* Backup PC (on interrupt) */
#define BPC_REGNUM      (CREGS_START + 3)       /* Backup PC (on interrupt) */
#define DPSW_REGNUM     (CREGS_START + 4)       /* Backup PSW (on debug trap) */
#define DPSW_REGNUM     (CREGS_START + 4)       /* Backup PSW (on debug trap) */
#define DPC_REGNUM      (CREGS_START + 5)       /* Backup PC (on debug trap) */
#define DPC_REGNUM      (CREGS_START + 5)       /* Backup PC (on debug trap) */
#define RPT_C_REGNUM    (CREGS_START + 7)       /* Loop count */
#define RPT_C_REGNUM    (CREGS_START + 7)       /* Loop count */
#define RPT_S_REGNUM    (CREGS_START + 8)       /* Loop start address */
#define RPT_S_REGNUM    (CREGS_START + 8)       /* Loop start address */
#define RPT_E_REGNUM    (CREGS_START + 9)       /* Loop end address */
#define RPT_E_REGNUM    (CREGS_START + 9)       /* Loop end address */
#define MOD_S_REGNUM    (CREGS_START + 10)
#define MOD_S_REGNUM    (CREGS_START + 10)
#define MOD_E_REGNUM    (CREGS_START + 11)
#define MOD_E_REGNUM    (CREGS_START + 11)
#define IBA_REGNUM      (CREGS_START + 14)      /* Instruction break address */
#define IBA_REGNUM      (CREGS_START + 14)      /* Instruction break address */
#define EIT_VB_REGNUM   (CREGS_START + 15)      /* Vector base address */
#define EIT_VB_REGNUM   (CREGS_START + 15)      /* Vector base address */
#define INT_S_REGNUM    (CREGS_START + 16)      /* Interrupt status */
#define INT_S_REGNUM    (CREGS_START + 16)      /* Interrupt status */
#define INT_M_REGNUM    (CREGS_START + 17)      /* Interrupt mask */
#define INT_M_REGNUM    (CREGS_START + 17)      /* Interrupt mask */
#define A0_REGNUM       84
#define A0_REGNUM       84
#define A1_REGNUM       85
#define A1_REGNUM       85
 
 
/* Say how much memory is needed to store a copy of the register set */
/* Say how much memory is needed to store a copy of the register set */
#define REGISTER_BYTES    ((NUM_REGS - 2) * 4 + 2 * 8)
#define REGISTER_BYTES    ((NUM_REGS - 2) * 4 + 2 * 8)
 
 
/* Index within `registers' of the first byte of the space for
/* Index within `registers' of the first byte of the space for
   register N.  */
   register N.  */
 
 
#define REGISTER_BYTE(N)  \
#define REGISTER_BYTE(N)  \
( ((N) >= A0_REGNUM) ? ( ((N) - A0_REGNUM) * 8 + A0_REGNUM * 4 ) : ((N) * 4) )
( ((N) >= A0_REGNUM) ? ( ((N) - A0_REGNUM) * 8 + A0_REGNUM * 4 ) : ((N) * 4) )
 
 
/* Number of bytes of storage in the actual machine representation
/* Number of bytes of storage in the actual machine representation
   for register N.  */
   for register N.  */
 
 
#define REGISTER_RAW_SIZE(N) ( ((N) >= A0_REGNUM) ? 8 : 4 )
#define REGISTER_RAW_SIZE(N) ( ((N) >= A0_REGNUM) ? 8 : 4 )
 
 
/* Number of bytes of storage in the program's representation
/* Number of bytes of storage in the program's representation
   for register N.  */
   for register N.  */
#define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N)
#define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N)
 
 
/* Largest value REGISTER_RAW_SIZE can have.  */
/* Largest value REGISTER_RAW_SIZE can have.  */
 
 
#define MAX_REGISTER_RAW_SIZE 8
#define MAX_REGISTER_RAW_SIZE 8
 
 
/* Largest value REGISTER_VIRTUAL_SIZE can have.  */
/* Largest value REGISTER_VIRTUAL_SIZE can have.  */
 
 
#define MAX_REGISTER_VIRTUAL_SIZE 8
#define MAX_REGISTER_VIRTUAL_SIZE 8
 
 
/* Return the GDB type object for the "standard" data type
/* Return the GDB type object for the "standard" data type
   of data in register N.  */
   of data in register N.  */
 
 
#define REGISTER_VIRTUAL_TYPE(N) \
#define REGISTER_VIRTUAL_TYPE(N) \
( ((N) < A0_REGNUM ) ? builtin_type_long : builtin_type_long_long)
( ((N) < A0_REGNUM ) ? builtin_type_long : builtin_type_long_long)
 
 
/* Writing to r0 is a noop (not an error or exception or anything like
/* Writing to r0 is a noop (not an error or exception or anything like
   that, however).  */
   that, however).  */
 
 
#define CANNOT_STORE_REGISTER(regno) ((regno) == R0_REGNUM)
#define CANNOT_STORE_REGISTER(regno) ((regno) == R0_REGNUM)
 
 
void d30v_do_registers_info PARAMS ((int regnum, int fpregs));
void d30v_do_registers_info PARAMS ((int regnum, int fpregs));
 
 
#define DO_REGISTERS_INFO d30v_do_registers_info
#define DO_REGISTERS_INFO d30v_do_registers_info
 
 
/* Store the address of the place in which to copy the structure the
/* Store the address of the place in which to copy the structure the
   subroutine will return.  This is called from call_function.
   subroutine will return.  This is called from call_function.
 
 
   We store structs through a pointer passed in R2 */
   We store structs through a pointer passed in R2 */
 
 
#define STORE_STRUCT_RETURN(ADDR, SP) \
#define STORE_STRUCT_RETURN(ADDR, SP) \
    { write_register (2, (ADDR));  }
    { write_register (2, (ADDR));  }
 
 
 
 
/* Write into appropriate registers a function return value
/* Write into appropriate registers a function return value
   of type TYPE, given in virtual format.
   of type TYPE, given in virtual format.
 
 
   Things always get returned in R2/R3 */
   Things always get returned in R2/R3 */
 
 
#define STORE_RETURN_VALUE(TYPE,VALBUF) \
#define STORE_RETURN_VALUE(TYPE,VALBUF) \
  write_register_bytes (REGISTER_BYTE(2), VALBUF, TYPE_LENGTH (TYPE))
  write_register_bytes (REGISTER_BYTE(2), VALBUF, TYPE_LENGTH (TYPE))
 
 
 
 
/* Extract from an array REGBUF containing the (raw) register state
/* Extract from an array REGBUF containing the (raw) register state
   the address in which a function should return its structure value,
   the address in which a function should return its structure value,
   as a CORE_ADDR (or an expression that can be used as one).  */
   as a CORE_ADDR (or an expression that can be used as one).  */
#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (((CORE_ADDR *)(REGBUF))[2])
#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (((CORE_ADDR *)(REGBUF))[2])


 
 
/* Define other aspects of the stack frame.
/* Define other aspects of the stack frame.
   we keep a copy of the worked out return pc lying around, since it
   we keep a copy of the worked out return pc lying around, since it
   is a useful bit of info */
   is a useful bit of info */
 
 
#define EXTRA_FRAME_INFO \
#define EXTRA_FRAME_INFO \
    CORE_ADDR return_pc; \
    CORE_ADDR return_pc; \
    CORE_ADDR dummy; \
    CORE_ADDR dummy; \
    int frameless; \
    int frameless; \
    int size;
    int size;
 
 
#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \
#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \
    d30v_init_extra_frame_info(fromleaf, fi)
    d30v_init_extra_frame_info(fromleaf, fi)
 
 
extern void d30v_init_extra_frame_info PARAMS ((int fromleaf, struct frame_info * fi));
extern void d30v_init_extra_frame_info PARAMS ((int fromleaf, struct frame_info * fi));
 
 
/* A macro that tells us whether the function invocation represented
/* 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
   by FI does not have a frame on the stack associated with it.  If it
   does not, FRAMELESS is set to 1, else 0.  */
   does not, FRAMELESS is set to 1, else 0.  */
 
 
#define FRAMELESS_FUNCTION_INVOCATION(FI) \
#define FRAMELESS_FUNCTION_INVOCATION(FI) \
  (frameless_look_for_prologue (FI))
  (frameless_look_for_prologue (FI))
 
 
CORE_ADDR d30v_frame_chain (struct frame_info *frame);
CORE_ADDR d30v_frame_chain (struct frame_info *frame);
#define FRAME_CHAIN(FRAME)       d30v_frame_chain(FRAME)
#define FRAME_CHAIN(FRAME)       d30v_frame_chain(FRAME)
extern int d30v_frame_chain_valid PARAMS ((CORE_ADDR, struct frame_info *));
extern int d30v_frame_chain_valid PARAMS ((CORE_ADDR, struct frame_info *));
#define FRAME_CHAIN_VALID(chain, thisframe) d30v_frame_chain_valid (chain, thisframe)
#define FRAME_CHAIN_VALID(chain, thisframe) d30v_frame_chain_valid (chain, thisframe)
#define FRAME_SAVED_PC(FRAME)    ((FRAME)->return_pc)
#define FRAME_SAVED_PC(FRAME)    ((FRAME)->return_pc)
#define FRAME_ARGS_ADDRESS(fi)   (fi)->frame
#define FRAME_ARGS_ADDRESS(fi)   (fi)->frame
#define FRAME_LOCALS_ADDRESS(fi) (fi)->frame
#define FRAME_LOCALS_ADDRESS(fi) (fi)->frame
 
 
void d30v_init_frame_pc (int fromleaf, struct frame_info *prev);
void d30v_init_frame_pc (int fromleaf, struct frame_info *prev);
#define INIT_FRAME_PC_FIRST(fromleaf, prev)     d30v_init_frame_pc(fromleaf, prev)
#define INIT_FRAME_PC_FIRST(fromleaf, prev)     d30v_init_frame_pc(fromleaf, prev)
#define INIT_FRAME_PC(fromleaf, prev)   /* nada */
#define INIT_FRAME_PC(fromleaf, prev)   /* nada */
 
 
/* Immediately after a function call, return the saved pc.  We can't */
/* Immediately after a function call, return the saved pc.  We can't */
/* use frame->return_pc beause that is determined by reading R62 off the */
/* use frame->return_pc beause that is determined by reading R62 off the */
/* stack and that may not be written yet. */
/* stack and that may not be written yet. */
 
 
#define SAVED_PC_AFTER_CALL(frame) (read_register(LR_REGNUM))
#define SAVED_PC_AFTER_CALL(frame) (read_register(LR_REGNUM))
 
 
/* Set VAL to the number of args passed to frame described by FI.
/* Set VAL to the number of args passed to frame described by FI.
   Can set VAL to -1, meaning no way to tell.  */
   Can set VAL to -1, meaning no way to tell.  */
/* We can't tell how many args there are */
/* We can't tell how many args there are */
 
 
#define FRAME_NUM_ARGS(fi) (-1)
#define FRAME_NUM_ARGS(fi) (-1)
 
 
/* Return number of bytes at start of arglist that are not really args.  */
/* Return number of bytes at start of arglist that are not really args.  */
 
 
#define FRAME_ARGS_SKIP 0
#define FRAME_ARGS_SKIP 0
 
 
 
 
/* Put here the code to store, into a struct frame_saved_regs,
/* Put here the code to store, into a struct frame_saved_regs,
   the addresses of the saved registers of frame described by FRAME_INFO.
   the addresses of the saved registers of frame described by FRAME_INFO.
   This includes special registers such as pc and fp saved in special
   This includes special registers such as pc and fp saved in special
   ways in the stack frame.  sp is even more special:
   ways in the stack frame.  sp is even more special:
   the address we return for it IS the sp for the next frame.  */
   the address we return for it IS the sp for the next frame.  */
 
 
#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs)         \
#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs)         \
   d30v_frame_find_saved_regs(frame_info, &(frame_saved_regs))
   d30v_frame_find_saved_regs(frame_info, &(frame_saved_regs))
 
 
extern void d30v_frame_find_saved_regs PARAMS ((struct frame_info *, struct frame_saved_regs *));
extern void d30v_frame_find_saved_regs PARAMS ((struct frame_info *, struct frame_saved_regs *));
 
 
/* DUMMY FRAMES.  Need these to support inferior function calls.
/* DUMMY FRAMES.  Need these to support inferior function calls.
   They work like this on D30V:
   They work like this on D30V:
   First we set a breakpoint at 0 or __start.
   First we set a breakpoint at 0 or __start.
   Then we push all the registers onto the stack.
   Then we push all the registers onto the stack.
   Then put the function arguments in the proper registers and set r13
   Then put the function arguments in the proper registers and set r13
   to our breakpoint address.
   to our breakpoint address.
   Finally call the function directly.
   Finally call the function directly.
   When it hits the breakpoint, clear the break point and pop the old
   When it hits the breakpoint, clear the break point and pop the old
   register contents off the stack. */
   register contents off the stack. */
 
 
#define CALL_DUMMY              { 0 }
#define CALL_DUMMY              { 0 }
#define PUSH_DUMMY_FRAME
#define PUSH_DUMMY_FRAME
#define CALL_DUMMY_START_OFFSET 0
#define CALL_DUMMY_START_OFFSET 0
#define CALL_DUMMY_LOCATION     AT_ENTRY_POINT
#define CALL_DUMMY_LOCATION     AT_ENTRY_POINT
#define CALL_DUMMY_BREAKPOINT_OFFSET (0)
#define CALL_DUMMY_BREAKPOINT_OFFSET (0)
 
 
extern CORE_ADDR d30v_call_dummy_address PARAMS ((void));
extern CORE_ADDR d30v_call_dummy_address PARAMS ((void));
#define CALL_DUMMY_ADDRESS() d30v_call_dummy_address()
#define CALL_DUMMY_ADDRESS() d30v_call_dummy_address()
 
 
#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
sp = d30v_fix_call_dummy (dummyname, pc, fun, nargs, args, type, gcc_p)
sp = d30v_fix_call_dummy (dummyname, pc, fun, nargs, args, type, gcc_p)
 
 
#define PC_IN_CALL_DUMMY(pc, sp, frame_address) ( pc == IMEM_START + 4 )
#define PC_IN_CALL_DUMMY(pc, sp, frame_address) ( pc == IMEM_START + 4 )
 
 
extern CORE_ADDR d30v_fix_call_dummy PARAMS ((char *, CORE_ADDR, CORE_ADDR,
extern CORE_ADDR d30v_fix_call_dummy PARAMS ((char *, CORE_ADDR, CORE_ADDR,
                                              int, struct value **,
                                              int, struct value **,
                                              struct type *, int));
                                              struct type *, int));
#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
  (d30v_push_arguments((nargs), (args), (sp), (struct_return), (struct_addr)))
  (d30v_push_arguments((nargs), (args), (sp), (struct_return), (struct_addr)))
extern CORE_ADDR d30v_push_arguments PARAMS ((int, struct value **, CORE_ADDR, int, CORE_ADDR));
extern CORE_ADDR d30v_push_arguments PARAMS ((int, struct value **, CORE_ADDR, int, CORE_ADDR));
 
 
 
 
/* Extract from an array REGBUF containing the (raw) register state
/* Extract from an array REGBUF containing the (raw) register state
   a function return value of type TYPE, and copy that, in virtual format,
   a function return value of type TYPE, and copy that, in virtual format,
   into VALBUF.  */
   into VALBUF.  */
 
 
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
d30v_extract_return_value(TYPE, REGBUF, VALBUF)
d30v_extract_return_value(TYPE, REGBUF, VALBUF)
extern void
extern void
d30v_extract_return_value PARAMS ((struct type *, char *, char *));
d30v_extract_return_value PARAMS ((struct type *, char *, char *));
 
 
 
 
/* Discard from the stack the innermost frame,
/* Discard from the stack the innermost frame,
   restoring all saved registers.  */
   restoring all saved registers.  */
#define POP_FRAME d30v_pop_frame();
#define POP_FRAME d30v_pop_frame();
extern void d30v_pop_frame PARAMS ((void));
extern void d30v_pop_frame PARAMS ((void));
 
 
#define REGISTER_SIZE 4
#define REGISTER_SIZE 4
 
 
/* Need to handle SP special, as we need to select between spu and spi.  */
/* Need to handle SP special, as we need to select between spu and spi.  */
#if 0                           /* XXX until the simulator is fixed */
#if 0                           /* XXX until the simulator is fixed */
#define TARGET_READ_SP() ((read_register (PSW_REGNUM) & PSW_SM) \
#define TARGET_READ_SP() ((read_register (PSW_REGNUM) & PSW_SM) \
                          ? read_register (SPU_REGNUM) \
                          ? read_register (SPU_REGNUM) \
                          : read_register (SPI_REGNUM))
                          : read_register (SPI_REGNUM))
 
 
#define TARGET_WRITE_SP(val) ((read_register (PSW_REGNUM) & PSW_SM) \
#define TARGET_WRITE_SP(val) ((read_register (PSW_REGNUM) & PSW_SM) \
                          ? write_register (SPU_REGNUM, (val)) \
                          ? write_register (SPU_REGNUM, (val)) \
                          : write_register (SPI_REGNUM, (val)))
                          : write_register (SPI_REGNUM, (val)))
#endif
#endif
 
 
#define STACK_ALIGN(len)        (((len) + 7 ) & ~7)
#define STACK_ALIGN(len)        (((len) + 7 ) & ~7)
 
 
/* Turn this on to cause remote-sim.c to use sim_set/clear_breakpoint. */
/* Turn this on to cause remote-sim.c to use sim_set/clear_breakpoint. */
 
 
#define SIM_HAS_BREAKPOINTS
#define SIM_HAS_BREAKPOINTS
 
 
#endif /* TM_D30V_H */
#endif /* TM_D30V_H */
 
 

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