/* Common definitions for remote server for GDB.
- Copyright (C) 1993-2013 Free Software Foundation, Inc.
+ Copyright (C) 1993-2019 Free Software Foundation, Inc.
This file is part of GDB.
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 SERVER_H
-#define SERVER_H
+#ifndef GDBSERVER_SERVER_H
+#define GDBSERVER_SERVER_H
-#include "config.h"
-#include "build-gnulib-gdbserver/config.h"
+#include "gdbsupport/common-defs.h"
+
+gdb_static_assert (sizeof (CORE_ADDR) >= sizeof (void *));
#ifdef __MINGW32CE__
#include "wincecompat.h"
#endif
-#include "libiberty.h"
-#include "ansidecl.h"
-#include "version.h"
-
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#ifdef HAVE_ERRNO_H
-#include <errno.h>
-#endif
-#include <setjmp.h>
-
-/* For gnulib's PATH_MAX. */
-#include "pathmax.h"
-
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-
-#ifdef HAVE_ALLOCA_H
-#include <alloca.h>
-#endif
-/* On some systems such as MinGW, alloca is declared in malloc.h
- (there is no alloca.h). */
-#if HAVE_MALLOC_H
-#include <malloc.h>
-#endif
+#include "gdbsupport/version.h"
#if !HAVE_DECL_STRERROR
#ifndef strerror
# define PROG "gdbserver"
#endif
-/* A type used for binary buffers. */
-typedef unsigned char gdb_byte;
-
-#include "ptid.h"
-#include "buffer.h"
-#include "xml-utils.h"
-#include "gdb_locale.h"
-
-/* FIXME: This should probably be autoconf'd for. It's an integer type at
- least the size of a (void *). */
-typedef long long CORE_ADDR;
-
-typedef long long LONGEST;
-typedef unsigned long long ULONGEST;
-
-/* Generic information for tracking a list of ``inferiors'' - threads,
- processes, etc. */
-struct inferior_list
-{
- struct inferior_list_entry *head;
- struct inferior_list_entry *tail;
-};
-struct inferior_list_entry
-{
- ptid_t id;
- struct inferior_list_entry *next;
-};
-
-struct thread_info;
-struct process_info;
-struct regcache;
-struct target_desc;
-
+#include "gdbsupport/buffer.h"
+#include "gdbsupport/xml-utils.h"
#include "regcache.h"
-#include "gdb/signals.h"
-#include "gdb_signals.h"
+#include "gdbsupport/gdb_signals.h"
#include "target.h"
#include "mem-break.h"
-#include "gdbthread.h"
-
-struct dll_info
-{
- struct inferior_list_entry entry;
- char *name;
- CORE_ADDR base_addr;
-};
-
-struct sym_cache;
-struct breakpoint;
-struct raw_breakpoint;
-struct fast_tracepoint_jump;
-struct process_info_private;
-
-struct process_info
-{
- struct inferior_list_entry head;
-
- /* Nonzero if this child process was attached rather than
- spawned. */
- int attached;
-
- /* True if GDB asked us to detach from this process, but we remained
- attached anyway. */
- int gdb_detached;
-
- /* The symbol cache. */
- struct sym_cache *symbol_cache;
-
- /* The list of memory breakpoints. */
- struct breakpoint *breakpoints;
-
- /* The list of raw memory breakpoints. */
- struct raw_breakpoint *raw_breakpoints;
-
- /* The list of installed fast tracepoints. */
- struct fast_tracepoint_jump *fast_tracepoint_jumps;
-
- const struct target_desc *tdesc;
-
- /* Private target data. */
- struct process_info_private *private;
-};
-
-/* Return a pointer to the process that corresponds to the current
- thread (current_inferior). It is an error to call this if there is
- no current thread selected. */
-
-struct process_info *current_process (void);
-struct process_info *get_thread_process (struct thread_info *);
+#include "gdbsupport/environ.h"
/* Target-specific functions */
void initialize_low ();
-/* From inferiors.c. */
-
-extern struct inferior_list all_processes;
-extern struct inferior_list all_dlls;
-extern int dlls_changed;
-extern void clear_dlls (void);
-
-void add_inferior_to_list (struct inferior_list *list,
- struct inferior_list_entry *new_inferior);
-void for_each_inferior (struct inferior_list *list,
- void (*action) (struct inferior_list_entry *));
-
-extern struct thread_info *current_inferior;
-void remove_inferior (struct inferior_list *list,
- struct inferior_list_entry *entry);
-
-struct process_info *add_process (int pid, int attached);
-void remove_process (struct process_info *process);
-struct process_info *find_process_pid (int pid);
-int have_started_inferiors_p (void);
-int have_attached_inferiors_p (void);
-
-ptid_t thread_id_to_gdb_id (ptid_t);
-ptid_t thread_to_gdb_id (struct thread_info *);
-ptid_t gdb_id_to_thread_id (ptid_t);
-
-void clear_inferiors (void);
-struct inferior_list_entry *find_inferior
- (struct inferior_list *,
- int (*func) (struct inferior_list_entry *,
- void *),
- void *arg);
-struct inferior_list_entry *find_inferior_id (struct inferior_list *list,
- ptid_t id);
-void *inferior_target_data (struct thread_info *);
-void set_inferior_target_data (struct thread_info *, void *);
-void *inferior_regcache_data (struct thread_info *);
-void set_inferior_regcache_data (struct thread_info *, void *);
-
-void loaded_dll (const char *name, CORE_ADDR base_addr);
-void unloaded_dll (const char *name, CORE_ADDR base_addr);
-
/* Public variables in server.c */
-extern ptid_t cont_thread;
-extern ptid_t general_thread;
-
-extern int server_waiting;
-extern int debug_threads;
-extern int debug_hw_points;
-extern int pass_signals[];
-extern int program_signals[];
-extern int program_signals_p;
-
-extern jmp_buf toplevel;
-
-extern int disable_packet_vCont;
-extern int disable_packet_Tthread;
-extern int disable_packet_qC;
-extern int disable_packet_qfThreadInfo;
+extern bool server_waiting;
-extern int run_once;
-extern int multi_process;
-extern int non_stop;
+extern bool disable_packet_vCont;
+extern bool disable_packet_Tthread;
+extern bool disable_packet_qC;
+extern bool disable_packet_qfThreadInfo;
-extern int disable_randomization;
+extern bool run_once;
+extern bool non_stop;
#if USE_WIN32API
#include <winsock2.h>
typedef int gdb_fildes_t;
#endif
-/* Functions from event-loop.c. */
-typedef void *gdb_client_data;
-typedef int (handler_func) (int, gdb_client_data);
-typedef int (callback_handler_func) (gdb_client_data);
-
-extern void delete_file_handler (gdb_fildes_t fd);
-extern void add_file_handler (gdb_fildes_t fd, handler_func *proc,
- gdb_client_data client_data);
-extern int append_callback_event (callback_handler_func *proc,
- gdb_client_data client_data);
-extern void delete_callback_event (int id);
-
-extern void start_event_loop (void);
-extern void initialize_event_loop (void);
+#include "event-loop.h"
/* Functions from server.c. */
+extern void handle_v_requests (char *own_buf, int packet_len,
+ int *new_packet_len);
extern int handle_serial_event (int err, gdb_client_data client_data);
extern int handle_target_event (int err, gdb_client_data client_data);
-/* Functions from hostio.c. */
-extern int handle_vFile (char *, int, int *);
+/* Get rid of the currently pending stop replies that match PTID. */
+extern void discard_queued_stop_replies (ptid_t ptid);
-/* Functions from hostio-errno.c. */
-extern void hostio_last_error_from_errno (char *own_buf);
+/* 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 "common-utils.h"
#include "utils.h"
-
-#include "gdb_assert.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). */
/* 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 16384
+#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 /* SERVER_H */
+#endif /* GDBSERVER_SERVER_H */
projects / deliverable / binutils-gdb.git / blobdiff