[deliverable/binutils-gdb.git] / gdb / gdbserver / server.h

/* Common definitions for remote server for GDB.
   Copyright (C) 1993-2017 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 SERVER_H
#define SERVER_H

#include "common-defs.h"

gdb_static_assert (sizeof (CORE_ADDR) >= sizeof (void *));

#ifdef __MINGW32CE__
#include "wincecompat.h"
#endif

#include "version.h"

#if !HAVE_DECL_STRERROR
#ifndef strerror
extern char *strerror (int);	/* X3.159-1989  4.11.6.2 */
#endif
#endif

#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 "buffer.h"
#include "xml-utils.h"
#include "regcache.h"
#include "gdb_signals.h"
#include "target.h"
#include "mem-break.h"
#include "gdbthread.h"
#include "inferiors.h"
#include "environ.h"

/* Target-specific functions */

void initialize_low ();

/* Public variables in server.c */

extern ptid_t cont_thread;
extern ptid_t general_thread;

extern int server_waiting;
extern int pass_signals[];
extern int program_signals[];
extern int program_signals_p;

extern int disable_packet_vCont;
extern int disable_packet_Tthread;
extern int disable_packet_qC;
extern int disable_packet_qfThreadInfo;

extern char *own_buf;

extern int run_once;
extern int multi_process;
extern int report_fork_events;
extern int report_vfork_events;
extern int report_exec_events;
extern int report_thread_events;
extern int non_stop;

/* 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.  */
extern int swbreak_feature;

/* 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.  */
extern int hwbreak_feature;

extern int disable_randomization;

#if USE_WIN32API
#include <winsock2.h>
typedef SOCKET gdb_fildes_t;
#else
typedef int gdb_fildes_t;
#endif

#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);

/* 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 "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 16384

/* 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 target_waitstatus last_status;
extern ptid_t last_ptid;
extern unsigned long signal_pid;

#endif /* SERVER_H */
Commit	Line	Data
	1	/* Common definitions for remote server for GDB.
	2	Copyright (C) 1993-2017 Free Software Foundation, Inc.
	3
	4	This file is part of GDB.
	5
	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.
	10
	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.
	15
	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/>. */
	18
	19	#ifndef SERVER_H
	20	#define SERVER_H
	21
	22	#include "common-defs.h"
	23
	24	gdb_static_assert (sizeof (CORE_ADDR) >= sizeof (void *));
	25
	26	#ifdef __MINGW32CE__
	27	#include "wincecompat.h"
	28	#endif
	29
	30	#include "version.h"
	31
	32	#if !HAVE_DECL_STRERROR
	33	#ifndef strerror
	34	extern char strerror (int); / X3.159-1989 4.11.6.2 */
	35	#endif
	36	#endif
	37
	38	#if !HAVE_DECL_PERROR
	39	#ifndef perror
	40	extern void perror (const char *);
	41	#endif
	42	#endif
	43
	44	#if !HAVE_DECL_VASPRINTF
	45	extern int vasprintf(char *strp, const char fmt, va_list ap);
	46	#endif
	47	#if !HAVE_DECL_VSNPRINTF
	48	int vsnprintf(char str, size_t size, const char format, va_list ap);
	49	#endif
	50
	51	#ifdef IN_PROCESS_AGENT
	52	# define PROG "ipa"
	53	#else
	54	# define PROG "gdbserver"
	55	#endif
	56
	57	#include "buffer.h"
	58	#include "xml-utils.h"
	59	#include "regcache.h"
	60	#include "gdb_signals.h"
	61	#include "target.h"
	62	#include "mem-break.h"
	63	#include "gdbthread.h"
	64	#include "inferiors.h"
	65	#include "environ.h"
	66
	67	/* Target-specific functions */
	68
	69	void initialize_low ();
	70
	71	/* Public variables in server.c */
	72
	73	extern ptid_t cont_thread;
	74	extern ptid_t general_thread;
	75
	76	extern int server_waiting;
	77	extern int pass_signals[];
	78	extern int program_signals[];
	79	extern int program_signals_p;
	80
	81	extern int disable_packet_vCont;
	82	extern int disable_packet_Tthread;
	83	extern int disable_packet_qC;
	84	extern int disable_packet_qfThreadInfo;
	85
	86	extern char *own_buf;
	87
	88	extern int run_once;
	89	extern int multi_process;
	90	extern int report_fork_events;
	91	extern int report_vfork_events;
	92	extern int report_exec_events;
	93	extern int report_thread_events;
	94	extern int non_stop;
	95
	96	/* True if the "swbreak+" feature is active. In that case, GDB wants
	97	us to report whether a trap is explained by a software breakpoint
	98	and for the server to handle PC adjustment if necessary on this
	99	target. Only enabled if the target supports it. */
	100	extern int swbreak_feature;
	101
	102	/* True if the "hwbreak+" feature is active. In that case, GDB wants
	103	us to report whether a trap is explained by a hardware breakpoint.
	104	Only enabled if the target supports it. */
	105	extern int hwbreak_feature;
	106
	107	extern int disable_randomization;
	108
	109	#if USE_WIN32API
	110	#include <winsock2.h>
	111	typedef SOCKET gdb_fildes_t;
	112	#else
	113	typedef int gdb_fildes_t;
	114	#endif
	115
	116	#include "event-loop.h"
	117
	118	/* Functions from server.c. */
	119	extern void handle_v_requests (char *own_buf, int packet_len,
	120	int *new_packet_len);
	121	extern int handle_serial_event (int err, gdb_client_data client_data);
	122	extern int handle_target_event (int err, gdb_client_data client_data);
	123
	124	/* Get rid of the currently pending stop replies that match PTID. */
	125	extern void discard_queued_stop_replies (ptid_t ptid);
	126
	127	/* Returns true if there's a pending stop reply that matches PTID in
	128	the vStopped notifications queue. */
	129	extern int in_queued_stop_replies (ptid_t ptid);
	130
	131	#include "remote-utils.h"
	132
	133	#include "utils.h"
	134	#include "debug.h"
	135	#include "gdb_vecs.h"
	136
	137	/* Maximum number of bytes to read/write at once. The value here
	138	is chosen to fill up a packet (the headers account for the 32). */
	139	#define MAXBUFBYTES(N) (((N)-32)/2)
	140
	141	/* Buffer sizes for transferring memory, registers, etc. Set to a constant
	142	value to accomodate multiple register formats. This value must be at least
	143	as large as the largest register set supported by gdbserver. */
	144	#define PBUFSIZ 16384
	145
	146	/* Definition for an unknown syscall, used basically in error-cases. */
	147	#define UNKNOWN_SYSCALL (-1)
	148
	149	/* Definition for any syscall, used for unfiltered syscall reporting. */
	150	#define ANY_SYSCALL (-2)
	151
	152	/* After fork_inferior has been called, we need to adjust a few
	153	signals and call startup_inferior to start the inferior and consume
	154	its first events. This is done here. PID is the pid of the new
	155	inferior and PROGRAM is its name. */
	156	extern void post_fork_inferior (int pid, const char *program);
	157
	158	/* Get the gdb_environ being used in the current session. */
	159	extern gdb_environ *get_environ ();
	160
	161	extern target_waitstatus last_status;
	162	extern ptid_t last_ptid;
	163	extern unsigned long signal_pid;
	164
	165	#endif /* SERVER_H */