gdb/gdbserver/win32-low.h - gdb

Data types defined

Source code

  1. /* Internal interfaces for the Win32 specific target code for gdbserver.
  2.    Copyright (C) 2007-2015 Free Software Foundation, Inc.

  4.    This file is part of GDB.

  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.

  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.

  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/>.  */

  19. #include <windows.h>

  21. struct target_desc;

  23. /* The inferior's target description.  This is a global because the
  24.    Windows ports support neither bi-arch nor multi-process.  */
  25. extern const struct target_desc *win32_tdesc;

  27. /* Thread information structure used to track extra information about
  28.    each thread.  */
  29. ‌typedef struct win32_thread_info
  30. {
  31.   /* The Win32 thread identifier.  */
  32.   DWORD tid;

  34.   /* The handle to the thread.  */
  35.   HANDLE h;

  37.   /* Thread Information Block address.  */
  38.   CORE_ADDR thread_local_base;

  40.   /* Non zero if SuspendThread was called on this thread.  */
  41.   int suspended;

  43. #ifdef _WIN32_WCE
  44.   /* The context as retrieved right after suspending the thread. */
  45.   CONTEXT base_context;
  46. #endif

  48.   /* The context of the thread, including any manipulations.  */
  49.   CONTEXT context;

  51.   /* Whether debug registers changed since we last set CONTEXT back to
  52.      the thread.  */
  53.   int debug_registers_changed;
  54. ‌} win32_thread_info;

  56. ‌struct win32_target_ops
  57. {
  58.   /* Architecture-specific setup.  */
  59.   void (*arch_setup) (void);

  61.   /* The number of target registers.  */
  62.   int num_regs;

  64.   /* Perform initializations on startup.  */
  65.   void (*initial_stuff) (void);

  67.   /* Fetch the context from the inferior.  */
  68.   void (*get_thread_context) (win32_thread_info *th);

  70.   /* Called just before resuming the thread.  */
  71.   void (*prepare_to_resume) (win32_thread_info *th);

  73.   /* Called when a thread was added.  */
  74.   void (*thread_added) (win32_thread_info *th);

  76.   /* Fetch register from gdbserver regcache data.  */
  77.   void (*fetch_inferior_register) (struct regcache *regcache,
  78.                                    win32_thread_info *th, int r);

  80.   /* Store a new register value into the thread context of TH.  */
  81.   void (*store_inferior_register) (struct regcache *regcache,
  82.                                    win32_thread_info *th, int r);

  84.   void (*single_step) (win32_thread_info *th);

  86.   const unsigned char *breakpoint;
  87.   int breakpoint_len;

  89.   /* Breakpoint/Watchpoint related functions.  See target.h for comments.  */
  90.   int (*supports_z_point_type) (char z_type);
  91.   int (*insert_point) (enum raw_bkpt_type type, CORE_ADDR addr,
  92.                        int size, struct raw_breakpoint *bp);
  93.   int (*remove_point) (enum raw_bkpt_type type, CORE_ADDR addr,
  94.                        int size, struct raw_breakpoint *bp);
  95.   int (*stopped_by_watchpoint) (void);
  96.   CORE_ADDR (*stopped_data_address) (void);
  97. };

  99. extern struct win32_target_ops the_low_target;

  101. /* Retrieve the context for this thread, if not already retrieved.  */
  102. extern void win32_require_context (win32_thread_info *th);

  104. /* Map the Windows error number in ERROR to a locale-dependent error
  105.    message string and return a pointer to it.  Typically, the values
  106.    for ERROR come from GetLastError.

  108.    The string pointed to shall not be modified by the application,
  109.    but may be overwritten by a subsequent call to strwinerror

  111.    The strwinerror function does not change the current setting
  112.    of GetLastError.  */
  113. extern char * strwinerror (DWORD error);

  115. /* in wincecompat.c */

  117. extern void to_back_slashes (char *);