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rcsid[] and sccsid[] and copyright[] are essentially unmaintained (and
unmaintainable).  these days, people use source.  these id's do not provide
any benefit, and do hurt the small install media
(the 33,000 line diff is essentially mechanical)
ok with the idea millert, ok dms

/*	$OpenBSD: mips64.c,v 1.3 2009/10/27 23:59:38 deraadt Exp $	*/
/*	$NetBSD: mips.c,v 1.4 1995/04/19 07:16:11 cgd Exp $	*/

/*
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This software was developed by the Computer Systems Engineering group
 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
 * contributed to Berkeley. Modified by Ralph Campbell for mips.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * From: sparc.c 5.1 (Berkeley) 7/7/92
 */

#include	"gprof.h"

    /*
     *	a namelist entry to be the child of indirect calls
     */
nltype	indirectchild = {
	"(*)" ,				/* the name */
	(unsigned long) 0 ,		/* the pc entry point */
	(unsigned long) 0 ,		/* entry point aligned to histogram */
	(double) 0.0 ,			/* ticks in this routine */
	(double) 0.0 ,			/* cumulative ticks in children */
	(long) 0 ,			/* how many times called */
	(long) 0 ,			/* times called by live arcs */
	(long) 0 ,			/* how many calls to self */
	(double) 1.0 ,			/* propagation fraction */
	(double) 0.0 ,			/* self propagation time */
	(double) 0.0 ,			/* child propagation time */
	(short) 0 ,			/* print flag */
	(short) 0 ,			/* flags */
	(int) 0 ,			/* index in the graph list */
	(int) 0 , 			/* graph call chain top-sort order */
	(int) 0 ,			/* internal number of cycle on */
	(int) 0 ,			/* number of live parent arcs */
	(struct nl *) &indirectchild ,	/* pointer to head of cycle */
	(struct nl *) 0 ,		/* pointer to next member of cycle */
	(arctype *) 0 ,			/* list of caller arcs */
	(arctype *) 0 			/* list of callee arcs */
};

void
findcall(nltype *parentp, unsigned long p_lowpc, unsigned long p_highpc)
{
	unsigned long pc;
	nltype *childp;
	unsigned long destpc;
	long op;
	int off;

	if (textspace == 0)
		return;
	if (p_lowpc < s_lowpc)
		p_lowpc = s_lowpc;
	if (p_highpc > s_highpc)
		p_highpc = s_highpc;

	for (pc = p_lowpc; pc < p_highpc; pc += 4) {
		off = pc - s_lowpc;
		op = *(unsigned long *)&textspace[off];
		if ((op & 0xfc000000) == 0x0c000000) {
			/*
			 * a jal insn -- check that this
			 * is the address of a function.
			 */
			off = (op & 0x03ffffff) << 2;
			destpc = (pc & 0xf0000000) | off;
			if (destpc >= s_lowpc && destpc <= s_highpc) {
				childp = nllookup(destpc);
				if (childp != 0 && childp->value == destpc)
					addarc(parentp, childp, 0L);
			}
		} else if ((op & 0xfc00f83f) == 0x0000f809)
			/*
			 * A jalr -- an indirect call.
			 */
			addarc(parentp, &indirectchild, 0L);
	}
}