gdb/gdbserver/server.h

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