1 /* Common definitions for remote server for GDB.
2 Copyright (C) 1993-2020 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_SERVER_H
20 #define GDBSERVER_SERVER_H
22 #include "gdbsupport/common-defs.h"
26 #undef PACKAGE_VERSION
28 #undef PACKAGE_TARNAME
32 gdb_static_assert (sizeof (CORE_ADDR
) >= sizeof (void *));
35 #include "wincecompat.h"
38 #include "gdbsupport/version.h"
42 extern void perror (const char *);
46 #if !HAVE_DECL_VASPRINTF
47 extern int vasprintf(char **strp
, const char *fmt
, va_list ap
);
49 #if !HAVE_DECL_VSNPRINTF
50 int vsnprintf(char *str
, size_t size
, const char *format
, va_list ap
);
53 #ifdef IN_PROCESS_AGENT
56 # define PROG "gdbserver"
59 #include "gdbsupport/buffer.h"
60 #include "gdbsupport/xml-utils.h"
62 #include "gdbsupport/gdb_signals.h"
64 #include "mem-break.h"
65 #include "gdbsupport/environ.h"
67 /* Target-specific functions */
69 void initialize_low ();
71 /* Public variables in server.c */
73 extern bool server_waiting
;
75 extern bool disable_packet_vCont
;
76 extern bool disable_packet_Tthread
;
77 extern bool disable_packet_qC
;
78 extern bool disable_packet_qfThreadInfo
;
79 extern bool disable_packet_T
;
84 #include "gdbsupport/event-loop.h"
86 /* Functions from server.c. */
87 extern void handle_v_requests (char *own_buf
, int packet_len
,
89 extern void handle_serial_event (int err
, gdb_client_data client_data
);
90 extern void handle_target_event (int err
, gdb_client_data client_data
);
92 /* Get rid of the currently pending stop replies that match PTID. */
93 extern void discard_queued_stop_replies (ptid_t ptid
);
95 /* Returns true if there's a pending stop reply that matches PTID in
96 the vStopped notifications queue. */
97 extern int in_queued_stop_replies (ptid_t ptid
);
99 #include "remote-utils.h"
103 #include "gdbsupport/gdb_vecs.h"
105 /* Maximum number of bytes to read/write at once. The value here
106 is chosen to fill up a packet (the headers account for the 32). */
107 #define MAXBUFBYTES(N) (((N)-32)/2)
109 /* Buffer sizes for transferring memory, registers, etc. Set to a constant
110 value to accomodate multiple register formats. This value must be at least
111 as large as the largest register set supported by gdbserver. */
112 #define PBUFSIZ 18432
114 /* Definition for an unknown syscall, used basically in error-cases. */
115 #define UNKNOWN_SYSCALL (-1)
117 /* Definition for any syscall, used for unfiltered syscall reporting. */
118 #define ANY_SYSCALL (-2)
120 /* After fork_inferior has been called, we need to adjust a few
121 signals and call startup_inferior to start the inferior and consume
122 its first events. This is done here. PID is the pid of the new
123 inferior and PROGRAM is its name. */
124 extern void post_fork_inferior (int pid
, const char *program
);
126 /* Get the gdb_environ being used in the current session. */
127 extern gdb_environ
*get_environ ();
129 extern unsigned long signal_pid
;
132 /* Description of the client remote protocol state for the currently
138 own_buf ((char *) xmalloc (PBUFSIZ
+ 1))
141 /* The thread set with an `Hc' packet. `Hc' is deprecated in favor of
142 `vCont'. Note the multi-process extensions made `vCont' a
143 requirement, so `Hc pPID.TID' is pretty much undefined. So
144 CONT_THREAD can be null_ptid for no `Hc' thread, minus_one_ptid for
145 resuming all threads of the process (again, `Hc' isn't used for
146 multi-process), or a specific thread ptid_t. */
149 /* The thread set with an `Hg' packet. */
150 ptid_t general_thread
;
152 int multi_process
= 0;
153 int report_fork_events
= 0;
154 int report_vfork_events
= 0;
155 int report_exec_events
= 0;
156 int report_thread_events
= 0;
158 /* True if the "swbreak+" feature is active. In that case, GDB wants
159 us to report whether a trap is explained by a software breakpoint
160 and for the server to handle PC adjustment if necessary on this
161 target. Only enabled if the target supports it. */
162 int swbreak_feature
= 0;
163 /* True if the "hwbreak+" feature is active. In that case, GDB wants
164 us to report whether a trap is explained by a hardware breakpoint.
165 Only enabled if the target supports it. */
166 int hwbreak_feature
= 0;
168 /* True if the "vContSupported" feature is active. In that case, GDB
169 wants us to report whether single step is supported in the reply to
171 int vCont_supported
= 0;
173 /* Whether we should attempt to disable the operating system's address
174 space randomization feature before starting an inferior. */
175 int disable_randomization
= 1;
177 int pass_signals
[GDB_SIGNAL_LAST
];
178 int program_signals
[GDB_SIGNAL_LAST
];
179 int program_signals_p
= 0;
181 /* Last status reported to GDB. */
182 struct target_waitstatus last_status
;
187 /* If true, then GDB has requested noack mode. */
189 /* If true, then we tell GDB to use noack mode by default. */
190 int transport_is_reliable
= 0;
192 /* The traceframe to be used as the source of data to send back to
193 GDB. A value of -1 means to get data from the live program. */
195 int current_traceframe
= -1;
199 client_state
&get_client_state ();
201 #include "gdbthread.h"
202 #include "inferiors.h"
204 #endif /* GDBSERVER_SERVER_H */