/* Common definitions for remote server for GDB. Copyright (C) 1993-2020 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 *)); #ifdef __MINGW32CE__ #include "wincecompat.h" #endif #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; }; client_state &get_client_state (); #include "gdbthread.h" #include "inferiors.h" #endif /* GDBSERVER_SERVER_H */