2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This software was developed by the Computer Systems Engineering group
6 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
7 * contributed to Berkeley. Modified by Ralph Campbell for mips.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * From: sparc.c 5.1 (Berkeley) 7/7/92
39 * @(#)mips.c 8.1 (Berkeley) 6/6/93
41 * $DragonFly: src/usr.bin/gprof/Attic/mips.c,v 1.3 2003/10/04 20:36:45 hmp Exp $
47 * a namelist entry to be the child of indirect calls
49 nltype indirectchild = {
50 "(*)" , /* the name */
51 (unsigned long) 0 , /* the pc entry point */
52 (unsigned long) 0 , /* entry point aligned to histogram */
53 (double) 0.0 , /* ticks in this routine */
54 (double) 0.0 , /* cumulative ticks in children */
55 (long) 0 , /* how many times called */
56 (long) 0 , /* times called by live arcs */
57 (long) 0 , /* how many calls to self */
58 (double) 1.0 , /* propagation fraction */
59 (double) 0.0 , /* self propagation time */
60 (double) 0.0 , /* child propagation time */
61 (short) 0 , /* print flag */
62 (short) 0 , /* flags */
63 (int) 0 , /* index in the graph list */
64 (int) 0 , /* graph call chain top-sort order */
65 (int) 0 , /* internal number of cycle on */
66 (int) 0 , /* number of live parent arcs */
67 (struct nl *) &indirectchild , /* pointer to head of cycle */
68 (struct nl *) 0 , /* pointer to next member of cycle */
69 (arctype *) 0 , /* list of caller arcs */
70 (arctype *) 0 /* list of callee arcs */
73 findcall(nltype *parentp, unsigned long p_lowpc, unsigned long p_highpc)
83 if (p_lowpc < s_lowpc)
85 if (p_highpc > s_highpc)
88 for (pc = p_lowpc; pc < p_highpc; pc += 4) {
90 op = *(u_long *)&textspace[off];
91 if ((op & 0xfc000000) == 0x0c000000) {
93 * a jal insn -- check that this
94 * is the address of a function.
96 off = (op & 0x03ffffff) << 2;
97 destpc = (pc & 0xf0000000) | off;
98 if (destpc >= s_lowpc && destpc <= s_highpc) {
99 childp = nllookup(destpc);
100 if (childp != 0 && childp->value == destpc)
101 addarc(parentp, childp, 0L);
103 } else if ((op & 0xfc00f83f) == 0x0000f809)
105 * A jalr -- an indirect call.
107 addarc(parentp, &indirectchild, 0L);