xref: /illumos-gate/usr/src/tools/stabs/squander.c (revision 7c478bd9)
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 1998-2002 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 <unistd.h>
30 #include <math.h>
31 #include "stabs.h"
32 
33 void squander_do_sou(struct tdesc *tdp, struct node *np);
34 void squander_do_enum(struct tdesc *tdp, struct node *np);
35 void squander_do_intrinsic(struct tdesc *tdp, struct node *np);
36 
37 void
squander_do_intrinsic(struct tdesc * tdp,struct node * np)38 squander_do_intrinsic(struct tdesc *tdp, struct node *np)
39 {
40 }
41 
42 void
squander_do_sou(struct tdesc * tdp,struct node * np)43 squander_do_sou(struct tdesc *tdp, struct node *np)
44 {
45 	struct mlist *mlp;
46 	size_t msize = 0;
47 	unsigned long offset;
48 
49 	if (np->name == NULL)
50 		return;
51 	if (tdp->type == UNION)
52 		return;
53 
54 	offset = 0;
55 	for (mlp = tdp->data.members.forw; mlp != NULL; mlp = mlp->next) {
56 		if (offset != (mlp->offset / 8)) {
57 			printf("%lu wasted bytes before %s.%s (%lu, %lu)\n",
58 			    (mlp->offset / 8) - offset,
59 			    np->name,
60 			    mlp->name == NULL ? "(null)" : mlp->name,
61 			    offset, mlp->offset / 8);
62 		}
63 		msize += (mlp->size / 8);
64 		offset = (mlp->offset / 8) + (mlp->size / 8);
65 	}
66 
67 	printf("%s: sizeof: %lu  total: %lu  wasted: %lu\n", np->name,
68 	    tdp->size, msize, tdp->size - msize);
69 }
70 
71 void
squander_do_enum(struct tdesc * tdp,struct node * np)72 squander_do_enum(struct tdesc *tdp, struct node *np)
73 {
74 }
75