#ifndef CYGONCE_HAL_NEC_STUB_H
#define CYGONCE_HAL_NEC_STUB_H
//========================================================================
//
//      nec-stub.h
//
//      NEC-specific definitions for generic stub
//
//========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####                                            
// -------------------------------------------                              
// This file is part of eCos, the Embedded Configurable Operating System.   
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
// eCos 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     
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// version.                                                                 
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// 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        
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//
// As a special exception, if other files instantiate templates or use      
// macros or inline functions from this file, or you compile this file      
// and link it with other works to produce a work based on this file,       
// this file does not by itself cause the resulting work to be covered by   
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// General Public License v2.                                               
//
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// on this file might be covered by the GNU General Public License.         
// -------------------------------------------                              
// ####ECOSGPLCOPYRIGHTEND####                                              
//========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     Red Hat, nickg
// Contributors:  Red Hat, nickg
// Date:          1998-06-08
// Purpose:       
// Description:   NEC-specific definitions for generic stub
// Usage:         
//
//####DESCRIPTIONEND####
//
//========================================================================


#ifdef __cplusplus
extern "C" {
#endif

#define NUMREGS    66
#define REGSIZE(X) 4
typedef unsigned long target_register_t;

enum regnames {
    R0,  R1,  SP,  R3,  R4,  R5,  R6,  R7,
    R8,  R9 , R10, R11, R12, R13, R14, R15,
    R16, R17, R18, R19, R20, R21, R22, R23,
    R24, R25, R26, R27, R28, R29, R30, R31,
    EIPC, EIPSW, FEPC, FEPSW, ECR, PSW, SR6, SR7,
    SR8,  SR9 , SR10, SR11, SR12, SR13, SR14, SR15,
    SR16, SR17, SR18, SR19, SR20, SR21, SR22, SR23,
    SR24, SR25, SR26, SR27, SR28, SR29, SR30, SR31,
    PC, FP
};

typedef enum regnames regnames_t;

/* Given a trap value TRAP, return the corresponding signal. */
extern int __computeSignal (unsigned int trap_number);

/* Return the SPARC trap number corresponding to the last-taken trap. */
extern int __get_trap_number (void);

/* Return the currently-saved value corresponding to register REG. */
extern target_register_t get_register (regnames_t reg);

/* Store VALUE in the register corresponding to WHICH. */
extern void put_register (regnames_t which, target_register_t value);

/* Set the currently-saved pc register value to PC. This also updates NPC
   as needed. */
extern void set_pc (target_register_t pc);

/* Set things up so that the next user resume will execute one instruction.
   This may be done by setting breakpoints or setting a single step flag
   in the saved user registers, for example. */
void __single_step (void);

/* Clear the single-step state. */
void __clear_single_step (void);

/* If the breakpoint we hit is in the breakpoint() instruction, return a
   non-zero value. */
extern int __is_breakpoint_function (void);

/* Skip the current instruction. */
extern void __skipinst (void);

extern void __install_breakpoints (void);

extern void __clear_breakpoints (void);

#ifdef __cplusplus
} /* extern "C" */
#endif

#endif // ifndef CYGONCE_HAL_NEC_STUB_H
