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 extern const struct target_desc
*wow64_win32_tdesc
;
33 extern bool wow64_process
;
35 typedef BOOL (WINAPI
*winapi_Wow64GetThreadContext
) (HANDLE
, PWOW64_CONTEXT
);
36 extern winapi_Wow64GetThreadContext win32_Wow64GetThreadContext
;
39 struct win32_target_ops
41 /* Architecture-specific setup. */
42 void (*arch_setup
) (void);
44 /* The number of target registers. */
45 int (*num_regs
) (void);
47 /* Perform initializations on startup. */
48 void (*initial_stuff
) (void);
50 /* Fetch the context from the inferior. */
51 void (*get_thread_context
) (windows_nat::windows_thread_info
*th
);
53 /* Called just before resuming the thread. */
54 void (*prepare_to_resume
) (windows_nat::windows_thread_info
*th
);
56 /* Called when a thread was added. */
57 void (*thread_added
) (windows_nat::windows_thread_info
*th
);
59 /* Fetch register from gdbserver regcache data. */
60 void (*fetch_inferior_register
) (struct regcache
*regcache
,
61 windows_nat::windows_thread_info
*th
,
64 /* Store a new register value into the thread context of TH. */
65 void (*store_inferior_register
) (struct regcache
*regcache
,
66 windows_nat::windows_thread_info
*th
,
69 void (*single_step
) (windows_nat::windows_thread_info
*th
);
71 const unsigned char *breakpoint
;
74 /* Amount by which to decrement the PC after a breakpoint is
76 int decr_pc_after_break
;
78 /* Get the PC register from REGCACHE. */
79 CORE_ADDR (*get_pc
) (struct regcache
*regcache
);
80 /* Set the PC register in REGCACHE. */
81 void (*set_pc
) (struct regcache
*regcache
, CORE_ADDR newpc
);
83 /* Breakpoint/Watchpoint related functions. See target.h for comments. */
84 int (*supports_z_point_type
) (char z_type
);
85 int (*insert_point
) (enum raw_bkpt_type type
, CORE_ADDR addr
,
86 int size
, struct raw_breakpoint
*bp
);
87 int (*remove_point
) (enum raw_bkpt_type type
, CORE_ADDR addr
,
88 int size
, struct raw_breakpoint
*bp
);
89 int (*stopped_by_watchpoint
) (void);
90 CORE_ADDR (*stopped_data_address
) (void);
93 extern struct win32_target_ops the_low_target
;
95 /* Target ops definitions for a Win32 target. */
97 class win32_process_target
: public process_stratum_target
101 int create_inferior (const char *program
,
102 const std::vector
<char *> &program_args
) override
;
104 int attach (unsigned long pid
) override
;
106 int kill (process_info
*proc
) override
;
108 int detach (process_info
*proc
) override
;
110 void mourn (process_info
*proc
) override
;
112 void join (int pid
) override
;
114 bool thread_alive (ptid_t pid
) override
;
116 void resume (thread_resume
*resume_info
, size_t n
) override
;
118 ptid_t
wait (ptid_t ptid
, target_waitstatus
*status
,
119 int options
) override
;
121 void fetch_registers (regcache
*regcache
, int regno
) override
;
123 void store_registers (regcache
*regcache
, int regno
) override
;
125 int read_memory (CORE_ADDR memaddr
, unsigned char *myaddr
,
128 int write_memory (CORE_ADDR memaddr
, const unsigned char *myaddr
,
131 void request_interrupt () override
;
133 bool supports_z_point_type (char z_type
) override
;
135 int insert_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
136 int size
, raw_breakpoint
*bp
) override
;
138 int remove_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
139 int size
, raw_breakpoint
*bp
) override
;
141 bool supports_hardware_single_step () override
;
143 bool stopped_by_watchpoint () override
;
145 CORE_ADDR
stopped_data_address () override
;
148 void hostio_last_error (char *buf
) override
;
151 bool supports_qxfer_siginfo () override
;
153 int qxfer_siginfo (const char *annex
, unsigned char *readbuf
,
154 unsigned const char *writebuf
,
155 CORE_ADDR offset
, int len
) override
;
157 bool supports_get_tib_address () override
;
159 int get_tib_address (ptid_t ptid
, CORE_ADDR
*addr
) override
;
161 const gdb_byte
*sw_breakpoint_from_kind (int kind
, int *size
) override
;
163 CORE_ADDR
read_pc (regcache
*regcache
) override
;
165 void write_pc (regcache
*regcache
, CORE_ADDR pc
) override
;
167 bool stopped_by_sw_breakpoint () override
;
169 bool supports_stopped_by_sw_breakpoint () override
;
172 /* Retrieve the context for this thread, if not already retrieved. */
173 extern void win32_require_context (windows_nat::windows_thread_info
*th
);
175 /* Map the Windows error number in ERROR to a locale-dependent error
176 message string and return a pointer to it. Typically, the values
177 for ERROR come from GetLastError.
179 The string pointed to shall not be modified by the application,
180 but may be overwritten by a subsequent call to strwinerror
182 The strwinerror function does not change the current setting
184 extern char * strwinerror (DWORD error
);
186 /* in wincecompat.c */
188 extern void to_back_slashes (char *);
190 #endif /* GDBSERVER_WIN32_LOW_H */