gdb/gdbserver/win32-low.h

   1 /* Internal interfaces for the Win32 specific target code for gdbserver.
   2    Copyright (C) 2007, 2008 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 3 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, see <http://www.gnu.org/licenses/>.  */
  18
  19 #include <windows.h>
  20
  21 /* Thread information structure used to track extra information about
  22    each thread.  */
  23 typedef struct win32_thread_info
  24 {
  25   /* The Win32 thread identifier.  */
  26   DWORD tid;
  27
  28   /* The handle to the thread.  */
  29   HANDLE h;
  30
  31   /* Non zero if SuspendThread was called on this thread.  */
  32   int suspended;
  33
  34 #ifdef _WIN32_WCE
  35   /* The context as retrieved right after suspending the thread. */
  36   CONTEXT base_context;
  37 #endif
  38
  39   /* The context of the thread, including any manipulations.  */
  40   CONTEXT context;
  41 } win32_thread_info;
  42
  43 struct win32_target_ops
  44 {
  45   /* The number of target registers.  */
  46   int num_regs;
  47
  48   /* Perform initializations on startup.  */
  49   void (*initial_stuff) (void);
  50
  51   /* Fetch the context from the inferior.  */
  52   void (*get_thread_context) (win32_thread_info *th, DEBUG_EVENT *current_event);
  53
  54   /* Flush the context back to the inferior.  */
  55   void (*set_thread_context) (win32_thread_info *th, DEBUG_EVENT *current_event);
  56
  57   /* Called when a thread was added.  */
  58   void (*thread_added) (win32_thread_info *th);
  59
  60   /* Fetch register from gdbserver regcache data.  */
  61   void (*fetch_inferior_register) (win32_thread_info *th, int r);
  62
  63   /* Store a new register value into the thread context of TH.  */
  64   void (*store_inferior_register) (win32_thread_info *th, int r);
  65
  66   void (*single_step) (win32_thread_info *th);
  67
  68   const unsigned char *breakpoint;
  69   int breakpoint_len;
  70
  71   /* What string to report to GDB when it asks for the architecture,
  72      or NULL not to answer.  */
  73   const char *arch_string;
  74 };
  75
  76 extern struct win32_target_ops the_low_target;
  77
  78 /* Map the Windows error number in ERROR to a locale-dependent error
  79    message string and return a pointer to it.  Typically, the values
  80    for ERROR come from GetLastError.
  81
  82    The string pointed to shall not be modified by the application,
  83    but may be overwritten by a subsequent call to strwinerror
  84
  85    The strwinerror function does not change the current setting
  86    of GetLastError.  */
  87 extern char * strwinerror (DWORD error);
  88
  89 /* in wincecompat.c */
  90
  91 extern void to_back_slashes (char *);