GDBserver
win32-low.h
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1 /* Internal interfaces for the Win32 specific target code for gdbserver.
2  Copyright (C) 2007-2015 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 struct target_desc;
22 
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;
26 
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. */
33 
34  /* The handle to the thread. */
36 
37  /* Thread Information Block address. */
39 
40  /* Non zero if SuspendThread was called on this thread. */
41  int suspended;
42 
43 #ifdef _WIN32_WCE
44  /* The context as retrieved right after suspending the thread. */
45  CONTEXT base_context;
46 #endif
47 
48  /* The context of the thread, including any manipulations. */
49  CONTEXT context;
50 
51  /* Whether debug registers changed since we last set CONTEXT back to
52  the thread. */
55 
57 {
58  /* Architecture-specific setup. */
59  void (*arch_setup) (void);
60 
61  /* The number of target registers. */
62  int num_regs;
63 
64  /* Perform initializations on startup. */
65  void (*initial_stuff) (void);
66 
67  /* Fetch the context from the inferior. */
69 
70  /* Called just before resuming the thread. */
72 
73  /* Called when a thread was added. */
75 
76  /* Fetch register from gdbserver regcache data. */
78  win32_thread_info *th, int r);
79 
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);
83 
85 
86  const unsigned char *breakpoint;
88 
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);
97 };
98 
99 extern struct win32_target_ops the_low_target;
100 
101 /* Retrieve the context for this thread, if not already retrieved. */
102 extern void win32_require_context (win32_thread_info *th);
103 
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.
107 
108  The string pointed to shall not be modified by the application,
109  but may be overwritten by a subsequent call to strwinerror
110 
111  The strwinerror function does not change the current setting
112  of GetLastError. */
113 extern char * strwinerror (DWORD error);
114 
115 /* in wincecompat.c */
116 
117 extern void to_back_slashes (char *);
void(* single_step)(win32_thread_info *th)
Definition: win32-low.h:84
void(* store_inferior_register)(struct regcache *regcache, win32_thread_info *th, int r)
Definition: win32-low.h:81
CORE_ADDR thread_local_base
Definition: win32-low.h:38
bfd_vma CORE_ADDR
Definition: common-types.h:41
void to_back_slashes(char *)
Definition: wincecompat.c:33
struct win32_target_ops the_low_target
const struct target_desc * win32_tdesc
Definition: win32-low.c:93
void(* fetch_inferior_register)(struct regcache *regcache, win32_thread_info *th, int r)
Definition: win32-low.h:77
raw_bkpt_type
Definition: mem-break.h:40
int(* insert_point)(enum raw_bkpt_type type, CORE_ADDR addr, int size, struct raw_breakpoint *bp)
Definition: win32-low.h:91
void(* prepare_to_resume)(win32_thread_info *th)
Definition: win32-low.h:71
void win32_require_context(win32_thread_info *th)
Definition: win32-low.c:169
HMODULE DWORD
Definition: win32-low.c:1097
int(* remove_point)(enum raw_bkpt_type type, CORE_ADDR addr, int size, struct raw_breakpoint *bp)
Definition: win32-low.h:93
int(* stopped_by_watchpoint)(void)
Definition: win32-low.h:95
typedef HANDLE(WINAPI *winapi_CreateToolhelp32Snapshot)(DWORD
int(* supports_z_point_type)(char z_type)
Definition: win32-low.h:90
void(* thread_added)(win32_thread_info *th)
Definition: win32-low.h:74
int debug_registers_changed
Definition: win32-low.h:53
void(* initial_stuff)(void)
Definition: win32-low.h:65
char * strwinerror(DWORD error)
Definition: win32-low.c:516
CONTEXT context
Definition: win32-low.h:49
CORE_ADDR(* stopped_data_address)(void)
Definition: win32-low.h:96
const unsigned char * breakpoint
Definition: win32-low.h:86
void error(const char *fmt,...)
Definition: errors.c:38
void(* arch_setup)(void)
Definition: win32-low.h:59
void(* get_thread_context)(win32_thread_info *th)
Definition: win32-low.h:68
struct win32_thread_info win32_thread_info