1 /* Internal interfaces for the Win32 specific target code for gdbserver.
2 Copyright (C) 2007-2020 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 #ifndef GDBSERVER_WIN32_LOW_H
20 #define GDBSERVER_WIN32_LOW_H
23 #include "nat/windows-nat.h"
27 /* The inferior's target description. This is a global because the
28 Windows ports support neither bi-arch nor multi-process. */
29 extern const struct target_desc
*win32_tdesc
;
31 struct win32_target_ops
33 /* Architecture-specific setup. */
34 void (*arch_setup
) (void);
36 /* The number of target registers. */
39 /* Perform initializations on startup. */
40 void (*initial_stuff
) (void);
42 /* Fetch the context from the inferior. */
43 void (*get_thread_context
) (windows_nat::windows_thread_info
*th
);
45 /* Called just before resuming the thread. */
46 void (*prepare_to_resume
) (windows_nat::windows_thread_info
*th
);
48 /* Called when a thread was added. */
49 void (*thread_added
) (windows_nat::windows_thread_info
*th
);
51 /* Fetch register from gdbserver regcache data. */
52 void (*fetch_inferior_register
) (struct regcache
*regcache
,
53 windows_nat::windows_thread_info
*th
,
56 /* Store a new register value into the thread context of TH. */
57 void (*store_inferior_register
) (struct regcache
*regcache
,
58 windows_nat::windows_thread_info
*th
,
61 void (*single_step
) (windows_nat::windows_thread_info
*th
);
63 const unsigned char *breakpoint
;
66 /* Breakpoint/Watchpoint related functions. See target.h for comments. */
67 int (*supports_z_point_type
) (char z_type
);
68 int (*insert_point
) (enum raw_bkpt_type type
, CORE_ADDR addr
,
69 int size
, struct raw_breakpoint
*bp
);
70 int (*remove_point
) (enum raw_bkpt_type type
, CORE_ADDR addr
,
71 int size
, struct raw_breakpoint
*bp
);
72 int (*stopped_by_watchpoint
) (void);
73 CORE_ADDR (*stopped_data_address
) (void);
76 extern struct win32_target_ops the_low_target
;
78 /* Target ops definitions for a Win32 target. */
80 class win32_process_target
: public process_stratum_target
84 int create_inferior (const char *program
,
85 const std::vector
<char *> &program_args
) override
;
87 int attach (unsigned long pid
) override
;
89 int kill (process_info
*proc
) override
;
91 int detach (process_info
*proc
) override
;
93 void mourn (process_info
*proc
) override
;
95 void join (int pid
) override
;
97 bool thread_alive (ptid_t pid
) override
;
99 void resume (thread_resume
*resume_info
, size_t n
) override
;
101 ptid_t
wait (ptid_t ptid
, target_waitstatus
*status
,
102 int options
) override
;
104 void fetch_registers (regcache
*regcache
, int regno
) override
;
106 void store_registers (regcache
*regcache
, int regno
) override
;
108 int read_memory (CORE_ADDR memaddr
, unsigned char *myaddr
,
111 int write_memory (CORE_ADDR memaddr
, const unsigned char *myaddr
,
114 void request_interrupt () override
;
116 bool supports_z_point_type (char z_type
) override
;
118 int insert_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
119 int size
, raw_breakpoint
*bp
) override
;
121 int remove_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
122 int size
, raw_breakpoint
*bp
) override
;
124 bool supports_hardware_single_step () override
;
126 bool stopped_by_watchpoint () override
;
128 CORE_ADDR
stopped_data_address () override
;
131 void hostio_last_error (char *buf
) override
;
134 bool supports_qxfer_siginfo () override
;
136 int qxfer_siginfo (const char *annex
, unsigned char *readbuf
,
137 unsigned const char *writebuf
,
138 CORE_ADDR offset
, int len
) override
;
140 bool supports_get_tib_address () override
;
142 int get_tib_address (ptid_t ptid
, CORE_ADDR
*addr
) override
;
144 const gdb_byte
*sw_breakpoint_from_kind (int kind
, int *size
) override
;
147 /* Retrieve the context for this thread, if not already retrieved. */
148 extern void win32_require_context (windows_nat::windows_thread_info
*th
);
150 /* Map the Windows error number in ERROR to a locale-dependent error
151 message string and return a pointer to it. Typically, the values
152 for ERROR come from GetLastError.
154 The string pointed to shall not be modified by the application,
155 but may be overwritten by a subsequent call to strwinerror
157 The strwinerror function does not change the current setting
159 extern char * strwinerror (DWORD error
);
161 /* in wincecompat.c */
163 extern void to_back_slashes (char *);
165 #endif /* GDBSERVER_WIN32_LOW_H */