[deliverable/binutils-gdb.git] / gdb / config / nm-m3.h

/* Mach 3.0 common definitions and global vars.

   Copyright 1992, 1993, 1994, 1996 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.  */

#ifndef NM_M3_H
#define NM_M3_H

#include <mach.h>
#include "regcache.h"

/* Mach3 doesn't declare errno in <errno.h>.  */
extern int errno;

/* Task port of our debugged inferior. */

extern task_t inferior_task;

/* Thread port of the current thread in the inferior. */

extern thread_t current_thread;

/* If nonzero, we must suspend/abort && resume threads
 * when setting or getting the state.
 */
extern int must_suspend_thread;

#define PREPARE_TO_PROCEED(select_it) mach3_prepare_to_proceed(select_it)

/* Try to get the privileged host port for authentication to machid

 * If you can get this, you may debug anything on this host.
 *
 * If you can't, gdb gives it's own task port as the
 * authentication port
 */
#define  mach_privileged_host_port() task_by_pid(-1)

/*
 * This is the MIG ID number of the emulator/server bsd_execve() RPC call.
 *
 * It SHOULD never change, but if it does, gdb `run'
 * command won't work until you fix this define.
 * 
 */
#define MIG_EXEC_SYSCALL_ID		101000

/* If our_message_port gets a msg with this ID,
 * GDB suspends it's inferior and enters command level.
 * (Useful at least if ^C does not work)
 */
#define GDB_MESSAGE_ID_STOP			0x41151

/* wait3 WNOHANG is defined in <sys/wait.h> but
 * for some reason gdb does not want to include
 * that file.
 *
 * If your system defines WNOHANG differently, this has to be changed.
 */
#define WNOHANG 1

/* Before storing, we need to read all the registers.  */

#define CHILD_PREPARE_TO_STORE() deprecated_read_register_bytes (0, NULL, REGISTER_BYTES)

/* Check if the inferior exists */
#define MACH_ERROR_NO_INFERIOR \
  do if (!MACH_PORT_VALID (inferior_task)) \
  	error ("Inferior task does not exist."); while(0)

/* Error handler for mach calls */
#define CHK(str,ret)	\
  do if (ret != KERN_SUCCESS) \
       error ("Gdb %s [%d] %s : %s\n",__FILE__,__LINE__,str, \
	      mach_error_string(ret)); while(0)

/* This is from POE9 emulator/emul_stack.h
 */
/*
 * Top of emulator stack holds link and reply port.
 */
struct emul_stack_top
  {
    struct emul_stack_top *link;
    mach_port_t reply_port;
  };

#define EMULATOR_STACK_SIZE (4096*4)

#define THREAD_ALLOWED_TO_BREAK(mid) mach_thread_for_breakpoint (mid)

#define THREAD_PARSE_ID(arg) mach_thread_parse_id (arg)

#define THREAD_OUTPUT_ID(mid) mach_thread_output_id (mid)

#define ATTACH_TO_THREAD attach_to_thread

/* Don't do wait_for_inferior on attach.  */
#define ATTACH_NO_WAIT

/* Do Mach 3 dependent operations when ^C or a STOP is requested */
#define DO_QUIT() mach3_quit ()

#if 0
/* This is bogus.  It is NOT OK to quit out of target_wait.  */
/* If in mach_msg() and ^C is typed set immediate_quit */
#define REQUEST_QUIT() mach3_request_quit ()
#endif

#endif /* NM_M3_H */
Commit	Line	Data
c906108c SS	1	/* Mach 3.0 common definitions and global vars.
c906108c SS	2
b6ba6518	3	Copyright 1992, 1993, 1994, 1996 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	#ifndef NM_M3_H
	23	#define NM_M3_H
	24
	25	#include <mach.h>
f88e2c52	26	#include "regcache.h"
c906108c SS	27
	28	/* Mach3 doesn't declare errno in <errno.h>. */
	29	extern int errno;
	30
	31	/* Task port of our debugged inferior. */
	32
	33	extern task_t inferior_task;
	34
	35	/* Thread port of the current thread in the inferior. */
	36
	37	extern thread_t current_thread;
	38
	39	/* If nonzero, we must suspend/abort && resume threads
	40	* when setting or getting the state.
	41	*/
	42	extern int must_suspend_thread;
	43
	44	#define PREPARE_TO_PROCEED(select_it) mach3_prepare_to_proceed(select_it)
	45
	46	/* Try to get the privileged host port for authentication to machid
c5aa993b	47
c906108c SS	48	* If you can get this, you may debug anything on this host.
	49	*
	50	* If you can't, gdb gives it's own task port as the
	51	* authentication port
	52	*/
	53	#define mach_privileged_host_port() task_by_pid(-1)
	54
	55	/*
	56	* This is the MIG ID number of the emulator/server bsd_execve() RPC call.
	57	*
	58	* It SHOULD never change, but if it does, gdb `run'
	59	* command won't work until you fix this define.
	60	*
	61	*/
	62	#define MIG_EXEC_SYSCALL_ID 101000
	63
	64	/* If our_message_port gets a msg with this ID,
	65	* GDB suspends it's inferior and enters command level.
	66	* (Useful at least if ^C does not work)
	67	*/
	68	#define GDB_MESSAGE_ID_STOP 0x41151
	69
	70	/* wait3 WNOHANG is defined in <sys/wait.h> but
	71	* for some reason gdb does not want to include
	72	* that file.
	73	*
	74	* If your system defines WNOHANG differently, this has to be changed.
	75	*/
	76	#define WNOHANG 1
	77
	78	/* Before storing, we need to read all the registers. */
	79
73937e03	80	#define CHILD_PREPARE_TO_STORE() deprecated_read_register_bytes (0, NULL, REGISTER_BYTES)
c906108c SS	81
	82	/* Check if the inferior exists */
	83	#define MACH_ERROR_NO_INFERIOR \
	84	do if (!MACH_PORT_VALID (inferior_task)) \
	85	error ("Inferior task does not exist."); while(0)
	86
	87	/* Error handler for mach calls */
	88	#define CHK(str,ret) \
	89	do if (ret != KERN_SUCCESS) \
	90	error ("Gdb %s [%d] %s : %s\n",__FILE__,__LINE__,str, \
	91	mach_error_string(ret)); while(0)
	92
	93	/* This is from POE9 emulator/emul_stack.h
	94	*/
	95	/*
	96	* Top of emulator stack holds link and reply port.
	97	*/
c5aa993b JM	98	struct emul_stack_top
	99	{
	100	struct emul_stack_top *link;
	101	mach_port_t reply_port;
	102	};
c906108c SS	103
	104	#define EMULATOR_STACK_SIZE (4096*4)
	105
	106	#define THREAD_ALLOWED_TO_BREAK(mid) mach_thread_for_breakpoint (mid)
	107
	108	#define THREAD_PARSE_ID(arg) mach_thread_parse_id (arg)
	109
	110	#define THREAD_OUTPUT_ID(mid) mach_thread_output_id (mid)
	111
	112	#define ATTACH_TO_THREAD attach_to_thread
	113
	114	/* Don't do wait_for_inferior on attach. */
	115	#define ATTACH_NO_WAIT
	116
	117	/* Do Mach 3 dependent operations when ^C or a STOP is requested */
	118	#define DO_QUIT() mach3_quit ()
	119
	120	#if 0
	121	/* This is bogus. It is NOT OK to quit out of target_wait. */
	122	/* If in mach_msg() and ^C is typed set immediate_quit */
	123	#define REQUEST_QUIT() mach3_request_quit ()
	124	#endif
	125
	126	#endif /* NM_M3_H */