usr/src/tools/stabs/squander.c

   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
  38 squander_do_intrinsic(struct tdesc *tdp, struct node *np)
  39 {
  40 }
  41
  42 void
  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
  72 squander_do_enum(struct tdesc *tdp, struct node *np)
  73 {
  74 }