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
  27 #include <stdarg.h>
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <errno.h>
  31 #include <setjmp.h>
  32
  33 #ifdef HAVE_STRING_H
  34 #include <string.h>
  35 #endif
  36
  37 #ifndef ATTR_NORETURN
  38 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
  39 #define ATTR_NORETURN __attribute__ ((noreturn))
  40 #else
  41 #define ATTR_NORETURN           /* nothing */
  42 #endif
  43 #endif
  44
  45 #ifndef ATTR_FORMAT
  46 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
  47 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
  48 #else
  49 #define ATTR_FORMAT(type, x, y) /* nothing */
  50 #endif
  51 #endif
  52
  53 /* FIXME: This should probably be autoconf'd for.  It's an integer type at
  54    least the size of a (void *).  */
  55 typedef long long CORE_ADDR;
  56
  57 #include "regcache.h"
  58 #include "gdb/signals.h"
  59
  60 #include "target.h"
  61 #include "mem-break.h"
  62
  63 /* Target-specific functions */
  64
  65 void initialize_low ();
  66
  67 /* Target-specific variables */
  68
  69 extern char *registers;
  70
  71 /* From inferiors.c.  */
  72
  73 struct inferior_info;
  74 extern struct inferior_info *current_inferior;
  75 extern int signal_pid;
  76 void add_inferior (int pid);
  77 void clear_inferiors (void);
  78 void *inferior_target_data (struct inferior_info *);
  79 void set_inferior_target_data (struct inferior_info *, void *);
  80
  81
  82 /* Public variables in server.c */
  83
  84 extern int cont_thread;
  85 extern int general_thread;
  86 extern int thread_from_wait;
  87 extern int old_thread_from_wait;
  88
  89 extern jmp_buf toplevel;
  90
  91 /* Functions from remote-utils.c */
  92
  93 int putpkt (char *buf);
  94 int getpkt (char *buf);
  95 void remote_open (char *name);
  96 void remote_close (void);
  97 void write_ok (char *buf);
  98 void write_enn (char *buf);
  99 void enable_async_io (void);
 100 void disable_async_io (void);
 101 void convert_ascii_to_int (char *from, char *to, int n);
 102 void convert_int_to_ascii (char *from, char *to, int n);
 103 void prepare_resume_reply (char *buf, char status, unsigned char sig);
 104
 105 void decode_m_packet (char *from, CORE_ADDR * mem_addr_ptr,
 106                       unsigned int *len_ptr);
 107 void decode_M_packet (char *from, CORE_ADDR * mem_addr_ptr,
 108                       unsigned int *len_ptr, char *to);
 109
 110 int unhexify (char *bin, const char *hex, int count);
 111 int hexify (char *hex, const char *bin, int count);
 112
 113 int look_up_one_symbol (const char *name, CORE_ADDR *addrp);
 114
 115 /* Functions from ``signals.c''.  */
 116 enum target_signal target_signal_from_host (int hostsig);
 117 int target_signal_to_host_p (enum target_signal oursig);
 118 int target_signal_to_host (enum target_signal oursig);
 119
 120 /* Functions from utils.c */
 121
 122 void perror_with_name (char *string);
 123 void error (const char *string,...) ATTR_NORETURN;
 124 void fatal (const char *string,...) ATTR_NORETURN;
 125 void warning (const char *string,...);
 126
 127 /* Functions from the register cache definition.  */
 128
 129 void init_registers (void);
 130
 131 /* Maximum number of bytes to read/write at once.  The value here
 132    is chosen to fill up a packet (the headers account for the 32).  */
 133 #define MAXBUFBYTES(N) (((N)-32)/2)
 134
 135 /* Buffer sizes for transferring memory, registers, etc.  Round up PBUFSIZ to
 136    hold all the registers, at least.  */
 137 #define PBUFSIZ ((registers_length () + 32 > 2000) \
 138                  ? (registers_length () + 32) \
 139                  : 2000)
 140
 141 #endif /* SERVER_H */