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 /* Amount by which to decrement the PC after a breakpoint is
68 int decr_pc_after_break
;
70 /* Get the PC register from REGCACHE. */
71 CORE_ADDR (*get_pc
) (struct regcache
*regcache
);
72 /* Set the PC register in REGCACHE. */
73 void (*set_pc
) (struct regcache
*regcache
, CORE_ADDR newpc
);
75 /* Breakpoint/Watchpoint related functions. See target.h for comments. */
76 int (*supports_z_point_type
) (char z_type
);
77 int (*insert_point
) (enum raw_bkpt_type type
, CORE_ADDR addr
,
78 int size
, struct raw_breakpoint
*bp
);
79 int (*remove_point
) (enum raw_bkpt_type type
, CORE_ADDR addr
,
80 int size
, struct raw_breakpoint
*bp
);
81 int (*stopped_by_watchpoint
) (void);
82 CORE_ADDR (*stopped_data_address
) (void);
85 extern struct win32_target_ops the_low_target
;
87 /* Target ops definitions for a Win32 target. */
89 class win32_process_target
: public process_stratum_target
93 int create_inferior (const char *program
,
94 const std::vector
<char *> &program_args
) override
;
96 int attach (unsigned long pid
) override
;
98 int kill (process_info
*proc
) override
;
100 int detach (process_info
*proc
) override
;
102 void mourn (process_info
*proc
) override
;
104 void join (int pid
) override
;
106 bool thread_alive (ptid_t pid
) override
;
108 void resume (thread_resume
*resume_info
, size_t n
) override
;
110 ptid_t
wait (ptid_t ptid
, target_waitstatus
*status
,
111 int options
) override
;
113 void fetch_registers (regcache
*regcache
, int regno
) override
;
115 void store_registers (regcache
*regcache
, int regno
) override
;
117 int read_memory (CORE_ADDR memaddr
, unsigned char *myaddr
,
120 int write_memory (CORE_ADDR memaddr
, const unsigned char *myaddr
,
123 void request_interrupt () override
;
125 bool supports_z_point_type (char z_type
) override
;
127 int insert_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
128 int size
, raw_breakpoint
*bp
) override
;
130 int remove_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
131 int size
, raw_breakpoint
*bp
) override
;
133 bool supports_hardware_single_step () override
;
135 bool stopped_by_watchpoint () override
;
137 CORE_ADDR
stopped_data_address () override
;
140 void hostio_last_error (char *buf
) override
;
143 bool supports_qxfer_siginfo () override
;
145 int qxfer_siginfo (const char *annex
, unsigned char *readbuf
,
146 unsigned const char *writebuf
,
147 CORE_ADDR offset
, int len
) override
;
149 bool supports_get_tib_address () override
;
151 int get_tib_address (ptid_t ptid
, CORE_ADDR
*addr
) override
;
153 const gdb_byte
*sw_breakpoint_from_kind (int kind
, int *size
) override
;
155 CORE_ADDR
read_pc (regcache
*regcache
) override
;
157 void write_pc (regcache
*regcache
, CORE_ADDR pc
) override
;
160 /* Retrieve the context for this thread, if not already retrieved. */
161 extern void win32_require_context (windows_nat::windows_thread_info
*th
);
163 /* Map the Windows error number in ERROR to a locale-dependent error
164 message string and return a pointer to it. Typically, the values
165 for ERROR come from GetLastError.
167 The string pointed to shall not be modified by the application,
168 but may be overwritten by a subsequent call to strwinerror
170 The strwinerror function does not change the current setting
172 extern char * strwinerror (DWORD error
);
174 /* in wincecompat.c */
176 extern void to_back_slashes (char *);
178 #endif /* GDBSERVER_WIN32_LOW_H */