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
  62 /* Target-specific functions */
  63
  64 void initialize_low ();
  65
  66 /* Target-specific variables */
  67
  68 extern char *registers;
  69
  70 /* From inferiors.c.  */
  71
  72 struct inferior_info;
  73 extern struct inferior_info *current_inferior;
  74 extern int signal_pid;
  75 void add_inferior (int pid);
  76 void clear_inferiors (void);
  77
  78 /* Public variables in server.c */
  79
  80 extern int cont_thread;
  81 extern int general_thread;
  82 extern int thread_from_wait;
  83 extern int old_thread_from_wait;
  84
  85 extern jmp_buf toplevel;
  86
  87 /* Functions from remote-utils.c */
  88
  89 int putpkt (char *buf);
  90 int getpkt (char *buf);
  91 void remote_open (char *name);
  92 void remote_close (void);
  93 void write_ok (char *buf);
  94 void write_enn (char *buf);
  95 void enable_async_io (void);
  96 void disable_async_io (void);
  97 void convert_ascii_to_int (char *from, char *to, int n);
  98 void convert_int_to_ascii (char *from, char *to, int n);
  99 void prepare_resume_reply (char *buf, char status, unsigned char sig);
 100
 101 void decode_m_packet (char *from, CORE_ADDR * mem_addr_ptr,
 102                       unsigned int *len_ptr);
 103 void decode_M_packet (char *from, CORE_ADDR * mem_addr_ptr,
 104                       unsigned int *len_ptr, char *to);
 105
 106 int unhexify (char *bin, const char *hex, int count);
 107 int hexify (char *hex, const char *bin, int count);
 108
 109
 110 /* Functions from ``signals.c''.  */
 111 enum target_signal target_signal_from_host (int hostsig);
 112 int target_signal_to_host_p (enum target_signal oursig);
 113 int target_signal_to_host (enum target_signal oursig);
 114
 115 /* Functions from utils.c */
 116
 117 void perror_with_name (char *string);
 118 void error (const char *string,...) ATTR_NORETURN;
 119 void fatal (const char *string,...) ATTR_NORETURN;
 120 void warning (const char *string,...);
 121
 122 /* Functions from the register cache definition.  */
 123
 124 void init_registers (void);
 125
 126 /* Maximum number of bytes to read/write at once.  The value here
 127    is chosen to fill up a packet (the headers account for the 32).  */
 128 #define MAXBUFBYTES(N) (((N)-32)/2)
 129
 130 /* Buffer sizes for transferring memory, registers, etc.  Round up PBUFSIZ to
 131    hold all the registers, at least.  */
 132 #define PBUFSIZ ((registers_length () + 32 > 2000) \
 133                  ? (registers_length () + 32) \
 134                  : 2000)
 135
 136 #endif /* SERVER_H */