1 /* Common definitions for remote server for GDB.
2 Copyright (C) 1993-2019 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_SERVER_H
20 #define GDBSERVER_SERVER_H
22 #include "gdbsupport/common-defs.h"
24 gdb_static_assert (sizeof (CORE_ADDR
) >= sizeof (void *));
27 #include "wincecompat.h"
30 #include "gdbsupport/version.h"
34 extern void perror (const char *);
38 #if !HAVE_DECL_VASPRINTF
39 extern int vasprintf(char **strp
, const char *fmt
, va_list ap
);
41 #if !HAVE_DECL_VSNPRINTF
42 int vsnprintf(char *str
, size_t size
, const char *format
, va_list ap
);
45 #ifdef IN_PROCESS_AGENT
48 # define PROG "gdbserver"
51 #include "gdbsupport/buffer.h"
52 #include "gdbsupport/xml-utils.h"
54 #include "gdbsupport/gdb_signals.h"
56 #include "mem-break.h"
57 #include "gdbsupport/environ.h"
59 /* Target-specific functions */
61 void initialize_low ();
63 /* Public variables in server.c */
65 extern bool server_waiting
;
67 extern bool disable_packet_vCont
;
68 extern bool disable_packet_Tthread
;
69 extern bool disable_packet_qC
;
70 extern bool disable_packet_qfThreadInfo
;
77 typedef SOCKET gdb_fildes_t
;
79 typedef int gdb_fildes_t
;
82 #include "event-loop.h"
84 /* Functions from server.c. */
85 extern void handle_v_requests (char *own_buf
, int packet_len
,
87 extern int handle_serial_event (int err
, gdb_client_data client_data
);
88 extern int handle_target_event (int err
, gdb_client_data client_data
);
90 /* Get rid of the currently pending stop replies that match PTID. */
91 extern void discard_queued_stop_replies (ptid_t ptid
);
93 /* Returns true if there's a pending stop reply that matches PTID in
94 the vStopped notifications queue. */
95 extern int in_queued_stop_replies (ptid_t ptid
);
97 #include "remote-utils.h"
101 #include "gdbsupport/gdb_vecs.h"
103 /* Maximum number of bytes to read/write at once. The value here
104 is chosen to fill up a packet (the headers account for the 32). */
105 #define MAXBUFBYTES(N) (((N)-32)/2)
107 /* Buffer sizes for transferring memory, registers, etc. Set to a constant
108 value to accomodate multiple register formats. This value must be at least
109 as large as the largest register set supported by gdbserver. */
110 #define PBUFSIZ 18432
112 /* Definition for an unknown syscall, used basically in error-cases. */
113 #define UNKNOWN_SYSCALL (-1)
115 /* Definition for any syscall, used for unfiltered syscall reporting. */
116 #define ANY_SYSCALL (-2)
118 /* After fork_inferior has been called, we need to adjust a few
119 signals and call startup_inferior to start the inferior and consume
120 its first events. This is done here. PID is the pid of the new
121 inferior and PROGRAM is its name. */
122 extern void post_fork_inferior (int pid
, const char *program
);
124 /* Get the gdb_environ being used in the current session. */
125 extern gdb_environ
*get_environ ();
127 extern unsigned long signal_pid
;
130 /* Description of the client remote protocol state for the currently
136 own_buf ((char *) xmalloc (PBUFSIZ
+ 1))
139 /* The thread set with an `Hc' packet. `Hc' is deprecated in favor of
140 `vCont'. Note the multi-process extensions made `vCont' a
141 requirement, so `Hc pPID.TID' is pretty much undefined. So
142 CONT_THREAD can be null_ptid for no `Hc' thread, minus_one_ptid for
143 resuming all threads of the process (again, `Hc' isn't used for
144 multi-process), or a specific thread ptid_t. */
147 /* The thread set with an `Hg' packet. */
148 ptid_t general_thread
;
150 int multi_process
= 0;
151 int report_fork_events
= 0;
152 int report_vfork_events
= 0;
153 int report_exec_events
= 0;
154 int report_thread_events
= 0;
156 /* True if the "swbreak+" feature is active. In that case, GDB wants
157 us to report whether a trap is explained by a software breakpoint
158 and for the server to handle PC adjustment if necessary on this
159 target. Only enabled if the target supports it. */
160 int swbreak_feature
= 0;
161 /* True if the "hwbreak+" feature is active. In that case, GDB wants
162 us to report whether a trap is explained by a hardware breakpoint.
163 Only enabled if the target supports it. */
164 int hwbreak_feature
= 0;
166 /* True if the "vContSupported" feature is active. In that case, GDB
167 wants us to report whether single step is supported in the reply to
169 int vCont_supported
= 0;
171 /* Whether we should attempt to disable the operating system's address
172 space randomization feature before starting an inferior. */
173 int disable_randomization
= 1;
175 int pass_signals
[GDB_SIGNAL_LAST
];
176 int program_signals
[GDB_SIGNAL_LAST
];
177 int program_signals_p
= 0;
179 /* Last status reported to GDB. */
180 struct target_waitstatus last_status
;
185 /* If true, then GDB has requested noack mode. */
187 /* If true, then we tell GDB to use noack mode by default. */
188 int transport_is_reliable
= 0;
190 /* The traceframe to be used as the source of data to send back to
191 GDB. A value of -1 means to get data from the live program. */
193 int current_traceframe
= -1;
197 client_state
&get_client_state ();
199 #include "gdbthread.h"
200 #include "inferiors.h"
202 #endif /* GDBSERVER_SERVER_H */