/* Common definitions for remote server for GDB.
   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., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include "defs.h"
#include <setjmp.h>

/* Target-specific functions */

int create_inferior PARAMS ((char *program, char **allargs));
void kill_inferior PARAMS ((void));
void fetch_inferior_registers PARAMS ((int regno));
void store_inferior_registers PARAMS ((int regno));
int mythread_alive PARAMS ((int pid));
void myresume PARAMS ((int step, int signo));
unsigned char mywait PARAMS ((char *status));
void read_inferior_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, int len));
int write_inferior_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, int len));
int create_inferior ();
void initialize_low ();

/* Target-specific variables */

extern char *registers;

/* Public variables in server.c */

extern int cont_thread;
extern int general_thread;
extern int thread_from_wait;
extern int old_thread_from_wait;

extern jmp_buf toplevel;
extern int inferior_pid;

/* Functions from remote-utils.c */

int putpkt PARAMS ((char *buf));
int getpkt PARAMS ((char *buf));
void remote_open PARAMS ((char *name));
void remote_close PARAMS ((void));
void write_ok PARAMS ((char *buf));
void write_enn PARAMS ((char *buf));
void enable_async_io PARAMS ((void));
void disable_async_io PARAMS ((void));
void convert_ascii_to_int PARAMS ((char *from, char *to, int n));
void convert_int_to_ascii PARAMS ((char *from, char *to, int n));
void prepare_resume_reply PARAMS ((char *buf, char status, unsigned char sig));

void decode_m_packet PARAMS ((char *from, CORE_ADDR * mem_addr_ptr,
			      unsigned int *len_ptr));
void decode_M_packet PARAMS ((char *from, CORE_ADDR * mem_addr_ptr,
			      unsigned int *len_ptr, char *to));


/* Functions from utils.c */

void perror_with_name PARAMS ((char *string));


/* Maximum number of bytes to read/write at once.  The value here
   is chosen to fill up a packet (the headers account for the 32).  */
#define MAXBUFBYTES(N) (((N)-32)/2)

/* Buffer sizes for transferring memory, registers, etc.  Round up PBUFSIZ to
   hold all the registers, at least.  */
#define	PBUFSIZ ((REGISTER_BYTES > MAXBUFBYTES (2000)) \
		 ? (REGISTER_BYTES * 2 + 32) \
		 : 2000)