gdb/gdbserver/server.h

   1 /* Common definitions for remote server for GDB.
   2    Copyright 1993, 1995, 1997, 1998, 1999, 2000, 2002
   3    Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 #ifndef SERVER_H
  23 #define SERVER_H
  24
  25 #include "config.h"
  26 #include <stdarg.h>
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <errno.h>
  30
  31
  32 /* FIXME:  Both of these should be autoconf'd for.  */
  33 #define NORETURN
  34 typedef long long CORE_ADDR;
  35
  36 #include "regcache.h"
  37 #include "gdb/signals.h"
  38
  39 #include <setjmp.h>
  40
  41 /* Target-specific functions */
  42
  43 int create_inferior (char *program, char **allargs);
  44 void kill_inferior (void);
  45 void fetch_inferior_registers (int regno);
  46 void store_inferior_registers (int regno);
  47 int mythread_alive (int pid);
  48 void myresume (int step, int signo);
  49 unsigned char mywait (char *status);
  50 void read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len);
  51 int write_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len);
  52 int create_inferior ();
  53 void initialize_low ();
  54
  55 /* Target-specific variables */
  56
  57 extern char *registers;
  58
  59 /* Public variables in server.c */
  60
  61 extern int cont_thread;
  62 extern int general_thread;
  63 extern int thread_from_wait;
  64 extern int old_thread_from_wait;
  65
  66 extern jmp_buf toplevel;
  67 extern int inferior_pid;
  68
  69 /* Functions from remote-utils.c */
  70
  71 int putpkt (char *buf);
  72 int getpkt (char *buf);
  73 void remote_open (char *name);
  74 void remote_close (void);
  75 void write_ok (char *buf);
  76 void write_enn (char *buf);
  77 void enable_async_io (void);
  78 void disable_async_io (void);
  79 void convert_ascii_to_int (char *from, char *to, int n);
  80 void convert_int_to_ascii (char *from, char *to, int n);
  81 void prepare_resume_reply (char *buf, char status, unsigned char sig);
  82
  83 void decode_m_packet (char *from, CORE_ADDR * mem_addr_ptr,
  84                       unsigned int *len_ptr);
  85 void decode_M_packet (char *from, CORE_ADDR * mem_addr_ptr,
  86                       unsigned int *len_ptr, char *to);
  87
  88 /* Functions from ``signals.c''.  */
  89 enum target_signal target_signal_from_host (int hostsig);
  90 int target_signal_to_host_p (enum target_signal oursig);
  91 int target_signal_to_host (enum target_signal oursig);
  92
  93 /* Functions from utils.c */
  94
  95 void perror_with_name (char *string);
  96 void error (const char *string,...);
  97 void fatal (const char *string,...);
  98 void warning (const char *string,...);
  99
 100
 101
 102 /* Maximum number of bytes to read/write at once.  The value here
 103    is chosen to fill up a packet (the headers account for the 32).  */
 104 #define MAXBUFBYTES(N) (((N)-32)/2)
 105
 106 /* Buffer sizes for transferring memory, registers, etc.  Round up PBUFSIZ to
 107    hold all the registers, at least.  */
 108 #define PBUFSIZ ((registers_length () + 32 > 2000) \
 109                  ? (registers_length () + 32) \
 110                  : 2000)
 111
 112 #endif /* SERVER_H */