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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License, Version 1.0 only
      6  * (the "License").  You may not use this file except in compliance
      7  * with the License.
      8  *
      9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  * or http://www.opensolaris.org/os/licensing.
     11  * See the License for the specific language governing permissions
     12  * and limitations under the License.
     13  *
     14  * When distributing Covered Code, include this CDDL HEADER in each
     15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  * If applicable, add the following below this CDDL HEADER, with the
     17  * fields enclosed by brackets "[]" replaced with your own identifying
     18  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  *
     20  * CDDL HEADER END
     21  */
     22 /*
     23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     28 
     29 #include <stdio.h>
     30 #include <stddef.h>
     31 #include <signal.h>
     32 #include <ucontext.h>
     33 #include <sys/stack.h>
     34 #include <sys/synch.h>
     35 #include <sys/synch32.h>
     36 #include "thr_uberdata.h"
     37 
     38 /*
     39  * This file generates two values used by _lwp_mutex_unlock.s:
     40  *	a) the byte offset (in lwp_mutex_t) of the word containing the lock byte
     41  *	b) a mask to extract the waiter field from the word containing it
     42  * It also generates offsets into the ucontext_t structure, needed by the
     43  * getcontext() function, which is written in assembly, as well as offsets
     44  * into the ulwp_t (thread) structure needed by certain assembler functions.
     45  */
     46 
     47 int
     48 main(void)
     49 {
     50 	(void) printf("#define\tMUTEX_LOCK_WORD\t0x%x\n",
     51 	    offsetof(lwp_mutex_t, mutex_lockword));
     52 	(void) printf("#define\tWAITER_MASK\t0x00ff0000\n");
     53 
     54 	(void) printf("#define\tSIG_SETMASK\t0x%x\n", SIG_SETMASK);
     55 	(void) printf("#define\tMASKSET0\t0x%x\n", MASKSET0);
     56 	(void) printf("#define\tMASKSET1\t0x%x\n", MASKSET1);
     57 	(void) printf("#define\tSIGSEGV\t0x%x\n", SIGSEGV);
     58 
     59 	(void) printf("#define\tRIP_OFF\t0x%x\n", REG_RIP * 8);
     60 	(void) printf("#define\tRAX_OFF\t0x%x\n", REG_RAX * 8);
     61 	(void) printf("#define\tRSP_OFF\t0x%x\n", REG_RSP * 8);
     62 
     63 	return (0);
     64 }
     65