gdb/gdbserver/server.h

   1 /* Common definitions for remote server for GDB.
   2    Copyright 1993, 1995, 1997, 1998, 1999, 2000
   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 #include "defs.h"
  23 #include <setjmp.h>
  24
  25 /* Target-specific functions */
  26
  27 int create_inferior (char *program, char **allargs);
  28 void kill_inferior (void);
  29 void fetch_inferior_registers (int regno);
  30 void store_inferior_registers (int regno);
  31 int mythread_alive (int pid);
  32 void myresume (int step, int signo);
  33 unsigned char mywait (char *status);
  34 void read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len);
  35 int write_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len);
  36 int create_inferior ();
  37 void initialize_low ();
  38
  39 /* Target-specific variables */
  40
  41 extern char *registers;
  42
  43 /* Public variables in server.c */
  44
  45 extern int cont_thread;
  46 extern int general_thread;
  47 extern int thread_from_wait;
  48 extern int old_thread_from_wait;
  49
  50 extern jmp_buf toplevel;
  51 extern int inferior_pid;
  52
  53 /* Functions from remote-utils.c */
  54
  55 int putpkt (char *buf);
  56 int getpkt (char *buf);
  57 void remote_open (char *name);
  58 void remote_close (void);
  59 void write_ok (char *buf);
  60 void write_enn (char *buf);
  61 void enable_async_io (void);
  62 void disable_async_io (void);
  63 void convert_ascii_to_int (char *from, char *to, int n);
  64 void convert_int_to_ascii (char *from, char *to, int n);
  65 void prepare_resume_reply (char *buf, char status, unsigned char sig);
  66
  67 void decode_m_packet (char *from, CORE_ADDR * mem_addr_ptr,
  68                       unsigned int *len_ptr);
  69 void decode_M_packet (char *from, CORE_ADDR * mem_addr_ptr,
  70                       unsigned int *len_ptr, char *to);
  71
  72
  73 /* Functions from utils.c */
  74
  75 void perror_with_name (char *string);
  76
  77
  78 /* Maximum number of bytes to read/write at once.  The value here
  79    is chosen to fill up a packet (the headers account for the 32).  */
  80 #define MAXBUFBYTES(N) (((N)-32)/2)
  81
  82 /* Buffer sizes for transferring memory, registers, etc.  Round up PBUFSIZ to
  83    hold all the registers, at least.  */
  84 #define PBUFSIZ ((REGISTER_BYTES > MAXBUFBYTES (2000)) \
  85                  ? (REGISTER_BYTES * 2 + 32) \
  86                  : 2000)