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/* Internal interfaces for the Win32 specific target code for gdbserver.
   Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 
   This file is part of GDB.
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
#include <windows.h>
 
/* Thread information structure used to track extra information about
   each thread.  */
typedef struct win32_thread_info
{
  /* The Win32 thread identifier.  */
  DWORD tid;
 
  /* The handle to the thread.  */
  HANDLE h;
 
  /* Non zero if SuspendThread was called on this thread.  */
  int suspended;
 
#ifdef _WIN32_WCE
  /* The context as retrieved right after suspending the thread. */
  CONTEXT base_context;
#endif
 
  /* The context of the thread, including any manipulations.  */
  CONTEXT context;
} win32_thread_info;
 
struct win32_target_ops
{
  /* Architecture-specific setup.  */
  void (*arch_setup) (void);
 
  /* The number of target registers.  */
  int num_regs;
 
  /* Perform initializations on startup.  */
  void (*initial_stuff) (void);
 
  /* Fetch the context from the inferior.  */
  void (*get_thread_context) (win32_thread_info *th, DEBUG_EVENT *current_event);
 
  /* Flush the context back to the inferior.  */
  void (*set_thread_context) (win32_thread_info *th, DEBUG_EVENT *current_event);
 
  /* Called when a thread was added.  */
  void (*thread_added) (win32_thread_info *th);
 
  /* Fetch register from gdbserver regcache data.  */
  void (*fetch_inferior_register) (struct regcache *regcache,
				   win32_thread_info *th, int r);
 
  /* Store a new register value into the thread context of TH.  */
  void (*store_inferior_register) (struct regcache *regcache,
				   win32_thread_info *th, int r);
 
  void (*single_step) (win32_thread_info *th);
 
  const unsigned char *breakpoint;
  int breakpoint_len;
 
  /* Breakpoint/Watchpoint related functions.  See target.h for comments.  */
  int (*insert_point) (char type, CORE_ADDR addr, int len);
  int (*remove_point) (char type, CORE_ADDR addr, int len);
  int (*stopped_by_watchpoint) (void);
  CORE_ADDR (*stopped_data_address) (void);
};
 
extern struct win32_target_ops the_low_target;
 
/* Map the Windows error number in ERROR to a locale-dependent error
   message string and return a pointer to it.  Typically, the values
   for ERROR come from GetLastError.
 
   The string pointed to shall not be modified by the application,
   but may be overwritten by a subsequent call to strwinerror
 
   The strwinerror function does not change the current setting
   of GetLastError.  */
extern char * strwinerror (DWORD error);
 
/* in wincecompat.c */
 
extern void to_back_slashes (char *);