usr/src/cmd/sgs/liblddbg/common/unused.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 (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #include        "msg.h"
  28 #include        "_debug.h"
  29 #include        "libld.h"
  30
  31 void
  32 Dbg_unused_unref(Rt_map *lmp, const char *depend)
  33 {
  34         if (DBG_NOTCLASS(DBG_C_UNUSED))
  35                 return;
  36         if (DBG_NOTDETAIL())
  37                 return;
  38
  39         dbg_print(LIST(lmp), MSG_INTL(MSG_USD_UNREF), NAME(lmp), depend);
  40 }
  41
  42 void
  43 Dbg_unused_sec(Lm_list *lml, Is_desc *isp)
  44 {
  45         dbg_isec_name_buf_t     buf;
  46         char                    *alloc_mem;
  47         const char              *str;
  48
  49         if (DBG_NOTCLASS(DBG_C_UNUSED))
  50                 return;
  51         if (DBG_NOTDETAIL())
  52                 return;
  53
  54         /*
  55          * If the file from which this section originates hasn't been referenced
  56          * at all, skip this diagnostic, as it would have been covered under
  57          * Dbg_unused_file() called from ignore_section_processing().
  58          */
  59         if (isp->is_file &&
  60             ((isp->is_file->ifl_flags & FLG_IF_FILEREF) == 0))
  61                 return;
  62
  63         if (isp->is_flags & FLG_IS_DISCARD)
  64                 str = MSG_INTL(MSG_USD_SECDISCARD);
  65         else
  66                 str = MSG_ORIG(MSG_STR_EMPTY);
  67
  68         dbg_print(lml, MSG_INTL(MSG_USD_SEC),
  69             dbg_fmt_isec_name(isp, buf, &alloc_mem),
  70             EC_XWORD(isp->is_shdr->sh_size), isp->is_file->ifl_name, str);
  71         free(alloc_mem);
  72 }
  73
  74 void
  75 Dbg_unused_file(Lm_list *lml, const char *name, int needstr, uint_t cycle)
  76 {
  77         if (DBG_NOTCLASS(DBG_C_UNUSED))
  78                 return;
  79
  80         if (needstr)
  81                 dbg_print(lml, MSG_INTL(MSG_USD_NEEDSTR), name);
  82         else if (cycle)
  83                 dbg_print(lml, MSG_INTL(MSG_USD_FILECYCLIC), name, cycle);
  84         else
  85                 dbg_print(lml, MSG_INTL(MSG_USD_FILE), name);
  86 }
  87
  88 void
  89 Dbg_unused_path(Lm_list *lml, const char *path, uint_t orig, uint_t dup,
  90     const char *obj)
  91 {
  92         const char      *fmt;
  93
  94         if (DBG_NOTCLASS(DBG_C_UNUSED))
  95                 return;
  96         if (DBG_NOTDETAIL())
  97                 return;
  98
  99         if (orig & LA_SER_LIBPATH) {
 100                 if (orig & LA_SER_CONFIG) {
 101                         if (dup)
 102                                 fmt = MSG_INTL(MSG_DUP_LDLIBPATHC);
 103                         else
 104                                 fmt = MSG_INTL(MSG_USD_LDLIBPATHC);
 105                 } else {
 106                         if (dup)
 107                                 fmt = MSG_INTL(MSG_DUP_LDLIBPATH);
 108                         else
 109                                 fmt = MSG_INTL(MSG_USD_LDLIBPATH);
 110                 }
 111         } else if (orig & LA_SER_RUNPATH) {
 112                 fmt = MSG_INTL(MSG_USD_RUNPATH);
 113         } else
 114                 return;
 115
 116         dbg_print(lml, fmt, path, obj);
 117 }