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