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

/* Common definitions for remote server for GDB.
   Copyright 1993, 1995, 1997, 1998, 1999, 2000
   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 2 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, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include "defs.h"
#include <setjmp.h>

/* Target-specific functions */

int create_inferior (char *program, char **allargs);
void kill_inferior (void);
void fetch_inferior_registers (int regno);
void store_inferior_registers (int regno);
int mythread_alive (int pid);
void myresume (int step, int signo);
unsigned char mywait (char *status);
void read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len);
int write_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len);
int create_inferior ();
void initialize_low ();

/* Target-specific variables */

extern char *registers;

/* Public variables in server.c */

extern int cont_thread;
extern int general_thread;
extern int thread_from_wait;
extern int old_thread_from_wait;

extern jmp_buf toplevel;
extern int inferior_pid;

/* Functions from remote-utils.c */

int putpkt (char *buf);
int getpkt (char *buf);
void remote_open (char *name);
void remote_close (void);
void write_ok (char *buf);
void write_enn (char *buf);
void enable_async_io (void);
void disable_async_io (void);
void convert_ascii_to_int (char *from, char *to, int n);
void convert_int_to_ascii (char *from, char *to, int n);
void prepare_resume_reply (char *buf, char status, unsigned char sig);

void decode_m_packet (char *from, CORE_ADDR * mem_addr_ptr,
		      unsigned int *len_ptr);
void decode_M_packet (char *from, CORE_ADDR * mem_addr_ptr,
		      unsigned int *len_ptr, char *to);


/* Functions from utils.c */

void perror_with_name (char *string);


/* 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.  Round up PBUFSIZ to
   hold all the registers, at least.  */
#define	PBUFSIZ ((REGISTER_BYTES > MAXBUFBYTES (2000)) \
		 ? (REGISTER_BYTES * 2 + 32) \
		 : 2000)
Commit	Line	Data
c906108c	1	/* Common definitions for remote server for GDB.
b6ba6518 KB	2	Copyright 1993, 1995, 1997, 1998, 1999, 2000
b6ba6518 KB	3	Free Software Foundation, Inc.
c906108c	4
c5aa993b	5	This file is part of GDB.
c906108c	6
c5aa993b JM	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 2 of the License, or
	10	(at your option) any later version.
c906108c	11
c5aa993b JM	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
c906108c	16
c5aa993b JM	17	You should have received a copy of the GNU General Public License
	18	along with this program; if not, write to the Free Software
	19	Foundation, Inc., 59 Temple Place - Suite 330,
	20	Boston, MA 02111-1307, USA. */
c906108c SS	21
	22	#include "defs.h"
	23	#include <setjmp.h>
	24
	25	/* Target-specific functions */
	26
a14ed312 KB	27	int create_inferior (char program, char *allargs);
	28	void kill_inferior (void);
	29	void fetch_inferior_registers (int regno);
	30	void store_inferior_registers (int regno);
	31	int mythread_alive (int pid);
	32	void myresume (int step, int signo);
	33	unsigned char mywait (char *status);
	34	void read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len);
	35	int write_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len);
c906108c	36	int create_inferior ();
4ce44c66	37	void initialize_low ();
c906108c SS	38
	39	/* Target-specific variables */
	40
5c44784c	41	extern char *registers;
c906108c SS	42
	43	/* Public variables in server.c */
	44
	45	extern int cont_thread;
	46	extern int general_thread;
	47	extern int thread_from_wait;
	48	extern int old_thread_from_wait;
	49
	50	extern jmp_buf toplevel;
	51	extern int inferior_pid;
	52
	53	/* Functions from remote-utils.c */
	54
a14ed312 KB	55	int putpkt (char *buf);
	56	int getpkt (char *buf);
	57	void remote_open (char *name);
	58	void remote_close (void);
	59	void write_ok (char *buf);
	60	void write_enn (char *buf);
	61	void enable_async_io (void);
	62	void disable_async_io (void);
	63	void convert_ascii_to_int (char from, char to, int n);
	64	void convert_int_to_ascii (char from, char to, int n);
	65	void prepare_resume_reply (char *buf, char status, unsigned char sig);
c906108c	66
a14ed312 KB	67	void decode_m_packet (char from, CORE_ADDR mem_addr_ptr,
	68	unsigned int *len_ptr);
	69	void decode_M_packet (char from, CORE_ADDR mem_addr_ptr,
	70	unsigned int len_ptr, char to);
c906108c SS	71
	72
	73	/* Functions from utils.c */
	74
a14ed312	75	void perror_with_name (char *string);
5c44784c JM	76
	77
	78	/* Maximum number of bytes to read/write at once. The value here
	79	is chosen to fill up a packet (the headers account for the 32). */
	80	#define MAXBUFBYTES(N) (((N)-32)/2)
	81
	82	/* Buffer sizes for transferring memory, registers, etc. Round up PBUFSIZ to
	83	hold all the registers, at least. */
	84	#define PBUFSIZ ((REGISTER_BYTES > MAXBUFBYTES (2000)) \
	85	? (REGISTER_BYTES * 2 + 32) \
	86	: 2000)