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/* Common definitions for remote server for GDB.

   Copyright 1993, 1995, 1997, 1998, 1999, 2000, 2002

   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.  */

#ifndef SERVER_H

#define SERVER_H

#include "config.h"

#include <stdarg.h>

#include <stdio.h>

#include <stdlib.h>

#include <errno.h>

#include <setjmp.h>

#ifdef HAVE_STRING_H

#include <string.h>

#endif

#ifndef ATTR_NORETURN

#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))

#define ATTR_NORETURN __attribute__ ((noreturn))

#else

#define ATTR_NORETURN           /* nothing */

#endif

#endif

#ifndef ATTR_FORMAT

#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))

#define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))

#else

#define ATTR_FORMAT(type, x, y) /* nothing */

#endif

#endif

/* FIXME: This should probably be autoconf'd for.  It's an integer type at

   least the size of a (void *).  */

typedef long long CORE_ADDR;

/* Generic information for tracking a list of ``inferiors'' - threads,

   processes, etc.  */

struct inferior_list

{

  struct inferior_list_entry *head;

  struct inferior_list_entry *tail;

};

struct inferior_list_entry

{

  int id;

  struct inferior_list_entry *next;

};

/* Opaque type for user-visible threads.  */

struct thread_info;

#include "regcache.h"

#include "gdb/signals.h"

#include "target.h"

#include "mem-break.h"

/* Target-specific functions */

void initialize_low ();

/* From inferiors.c.  */

extern struct inferior_list all_threads;

void add_inferior_to_list (struct inferior_list *list,

                           struct inferior_list_entry *new_inferior);

void for_each_inferior (struct inferior_list *list,

                        void (*action) (struct inferior_list_entry *));

extern struct thread_info *current_inferior;

void remove_inferior (struct inferior_list *list,

                      struct inferior_list_entry *entry);

void remove_thread (struct thread_info *thread);

void add_thread (int thread_id, void *target_data);

void clear_inferiors (void);

struct inferior_list_entry *find_inferior

     (struct inferior_list *,

      int (*func) (struct inferior_list_entry *,

                   void *),

      void *arg);

struct inferior_list_entry *find_inferior_id (struct inferior_list *list,

                                              int id);

void *inferior_target_data (struct thread_info *);

void set_inferior_target_data (struct thread_info *, void *);

void *inferior_regcache_data (struct thread_info *);

void set_inferior_regcache_data (struct thread_info *, void *);

void change_inferior_id (struct inferior_list *list,

                         int new_id);

/* Public variables in server.c */

extern int cont_thread;

extern int general_thread;

extern int step_thread;

extern int thread_from_wait;

extern int old_thread_from_wait;

extern int server_waiting;

extern jmp_buf toplevel;

/* Functions from remote-utils.c */

int putpkt (char *buf);

int getpkt (char *buf);

void remote_open (char *name);

void remote_close (void);

void write_ok (char *buf);

void write_enn (char *buf);

void enable_async_io (void);

void disable_async_io (void);

void convert_ascii_to_int (char *from, char *to, int n);

void convert_int_to_ascii (char *from, char *to, int n);

void new_thread_notify (int id);

void dead_thread_notify (int id);

void prepare_resume_reply (char *buf, char status, unsigned char sig);

void decode_m_packet (char *from, CORE_ADDR * mem_addr_ptr,

                      unsigned int *len_ptr);

void decode_M_packet (char *from, CORE_ADDR * mem_addr_ptr,

                      unsigned int *len_ptr, char *to);

int unhexify (char *bin, const char *hex, int count);

int hexify (char *hex, const char *bin, int count);

int look_up_one_symbol (const char *name, CORE_ADDR *addrp);

/* Functions from ``signals.c''.  */

enum target_signal target_signal_from_host (int hostsig);

int target_signal_to_host_p (enum target_signal oursig);

int target_signal_to_host (enum target_signal oursig);

/* Functions from utils.c */

void perror_with_name (char *string);

void error (const char *string,...) ATTR_NORETURN;

void fatal (const char *string,...) ATTR_NORETURN;

void warning (const char *string,...);

/* Functions from the register cache definition.  */

void init_registers (void);

/* 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 ((registers_length () + 32 > 2000) \

                 ? (registers_length () + 32) \

                 : 2000)

#endif /* SERVER_H */