204 lines
6.1 KiB
C
204 lines
6.1 KiB
C
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/* Common definitions for remote server for GDB.
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Copyright (C) 1993-2022 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef GDBSERVER_SERVER_H
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#define GDBSERVER_SERVER_H
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#include "gdbsupport/common-defs.h"
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#undef PACKAGE
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#undef PACKAGE_NAME
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#undef PACKAGE_VERSION
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#undef PACKAGE_STRING
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#undef PACKAGE_TARNAME
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#include <config.h>
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gdb_static_assert (sizeof (CORE_ADDR) >= sizeof (void *));
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#include "gdbsupport/version.h"
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#if !HAVE_DECL_PERROR
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#ifndef perror
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extern void perror (const char *);
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#endif
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#endif
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#if !HAVE_DECL_VASPRINTF
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extern int vasprintf(char **strp, const char *fmt, va_list ap);
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#endif
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#if !HAVE_DECL_VSNPRINTF
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int vsnprintf(char *str, size_t size, const char *format, va_list ap);
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#endif
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#ifdef IN_PROCESS_AGENT
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# define PROG "ipa"
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#else
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# define PROG "gdbserver"
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#endif
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#include "gdbsupport/buffer.h"
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#include "gdbsupport/xml-utils.h"
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#include "regcache.h"
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#include "gdbsupport/gdb_signals.h"
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#include "target.h"
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#include "mem-break.h"
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#include "gdbsupport/environ.h"
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/* Target-specific functions */
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void initialize_low ();
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/* Public variables in server.c */
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extern bool server_waiting;
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extern bool disable_packet_vCont;
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extern bool disable_packet_Tthread;
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extern bool disable_packet_qC;
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extern bool disable_packet_qfThreadInfo;
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extern bool disable_packet_T;
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extern bool run_once;
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extern bool non_stop;
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#include "gdbsupport/event-loop.h"
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/* Functions from server.c. */
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extern void handle_v_requests (char *own_buf, int packet_len,
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int *new_packet_len);
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extern void handle_serial_event (int err, gdb_client_data client_data);
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extern void handle_target_event (int err, gdb_client_data client_data);
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/* Get rid of the currently pending stop replies that match PTID. */
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extern void discard_queued_stop_replies (ptid_t ptid);
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/* Returns true if there's a pending stop reply that matches PTID in
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the vStopped notifications queue. */
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extern int in_queued_stop_replies (ptid_t ptid);
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#include "remote-utils.h"
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#include "utils.h"
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#include "debug.h"
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#include "gdbsupport/gdb_vecs.h"
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/* Maximum number of bytes to read/write at once. The value here
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is chosen to fill up a packet (the headers account for the 32). */
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#define MAXBUFBYTES(N) (((N)-32)/2)
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/* Buffer sizes for transferring memory, registers, etc. Set to a constant
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value to accomodate multiple register formats. This value must be at least
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as large as the largest register set supported by gdbserver. */
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#define PBUFSIZ 18432
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/* Definition for an unknown syscall, used basically in error-cases. */
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#define UNKNOWN_SYSCALL (-1)
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/* Definition for any syscall, used for unfiltered syscall reporting. */
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#define ANY_SYSCALL (-2)
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/* After fork_inferior has been called, we need to adjust a few
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signals and call startup_inferior to start the inferior and consume
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its first events. This is done here. PID is the pid of the new
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inferior and PROGRAM is its name. */
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extern void post_fork_inferior (int pid, const char *program);
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/* Get the gdb_environ being used in the current session. */
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extern gdb_environ *get_environ ();
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extern unsigned long signal_pid;
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/* Description of the client remote protocol state for the currently
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connected client. */
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struct client_state
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{
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client_state ():
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own_buf ((char *) xmalloc (PBUFSIZ + 1))
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{}
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/* The thread set with an `Hc' packet. `Hc' is deprecated in favor of
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`vCont'. Note the multi-process extensions made `vCont' a
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requirement, so `Hc pPID.TID' is pretty much undefined. So
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CONT_THREAD can be null_ptid for no `Hc' thread, minus_one_ptid for
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resuming all threads of the process (again, `Hc' isn't used for
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multi-process), or a specific thread ptid_t. */
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ptid_t cont_thread;
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/* The thread set with an `Hg' packet. */
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ptid_t general_thread;
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int multi_process = 0;
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int report_fork_events = 0;
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int report_vfork_events = 0;
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int report_exec_events = 0;
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int report_thread_events = 0;
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/* True if the "swbreak+" feature is active. In that case, GDB wants
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us to report whether a trap is explained by a software breakpoint
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and for the server to handle PC adjustment if necessary on this
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target. Only enabled if the target supports it. */
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int swbreak_feature = 0;
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/* True if the "hwbreak+" feature is active. In that case, GDB wants
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us to report whether a trap is explained by a hardware breakpoint.
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Only enabled if the target supports it. */
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int hwbreak_feature = 0;
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/* True if the "vContSupported" feature is active. In that case, GDB
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wants us to report whether single step is supported in the reply to
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"vCont?" packet. */
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int vCont_supported = 0;
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/* Whether we should attempt to disable the operating system's address
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space randomization feature before starting an inferior. */
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int disable_randomization = 1;
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int pass_signals[GDB_SIGNAL_LAST];
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int program_signals[GDB_SIGNAL_LAST];
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int program_signals_p = 0;
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/* Last status reported to GDB. */
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struct target_waitstatus last_status;
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ptid_t last_ptid;
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char *own_buf;
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/* If true, then GDB has requested noack mode. */
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int noack_mode = 0;
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/* If true, then we tell GDB to use noack mode by default. */
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int transport_is_reliable = 0;
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/* The traceframe to be used as the source of data to send back to
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GDB. A value of -1 means to get data from the live program. */
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int current_traceframe = -1;
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/* If true, memory tagging features are supported. */
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bool memory_tagging_feature = false;
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};
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client_state &get_client_state ();
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#include "gdbthread.h"
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#include "inferiors.h"
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#endif /* GDBSERVER_SERVER_H */
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