usr/src/cmd/sgs/liblddbg/common/shdr.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        <sgs.h>
  28 #include        <_debug.h>
  29 #include        <conv.h>
  30 #include        <msg.h>
  31
  32 void
  33 Elf_shdr(Lm_list *lml, uchar_t osabi, Half mach, Shdr *shdr)
  34 {
  35         Conv_inv_buf_t          inv_buf1, inv_buf2;
  36         Conv_sec_flags_buf_t    sec_flags_buf;
  37
  38         dbg_print(lml, MSG_ORIG(MSG_SHD_ADDR), EC_ADDR(shdr->sh_addr),
  39             conv_sec_flags(osabi, mach, shdr->sh_flags, 0, &sec_flags_buf));
  40         dbg_print(lml, MSG_ORIG(MSG_SHD_SIZE), EC_XWORD(shdr->sh_size),
  41             conv_sec_type(osabi, mach, shdr->sh_type, 0, &inv_buf1));
  42         if (shdr->sh_entsize == 0) {
  43                 dbg_print(lml, MSG_ORIG(MSG_SHD_OFFSET),
  44                     EC_OFF(shdr->sh_offset), EC_XWORD(shdr->sh_entsize));
  45         } else {                /* Provide an entry count */
  46                 Xword nelts = shdr->sh_size / shdr->sh_entsize;
  47                 const char *entstr = (nelts == 1) ? MSG_INTL(MSG_SHD_ENTRY_1) :
  48                     MSG_INTL(MSG_SHD_ENTRY_N);
  49
  50                 dbg_print(lml, MSG_ORIG(MSG_SHD_OFFSET_ENT),
  51                     EC_OFF(shdr->sh_offset), EC_XWORD(shdr->sh_entsize),
  52                     EC_XWORD(nelts), entstr);
  53         }
  54         dbg_print(lml, MSG_ORIG(MSG_SHD_LINK),
  55             conv_sec_linkinfo(shdr->sh_link, shdr->sh_flags, &inv_buf1),
  56             conv_sec_linkinfo(shdr->sh_info, shdr->sh_flags, &inv_buf2));
  57         dbg_print(lml, MSG_ORIG(MSG_SHD_ALIGN), EC_XWORD(shdr->sh_addralign));
  58 }
  59
  60 void
  61 Dbg_shdr_modified(Lm_list *lml, const char *obj, uchar_t osabi, Half mach,
  62     Word ndx, Shdr *oshdr, Shdr *nshdr, const char *name)
  63 {
  64         dbg_isec_name_buf_t     buf;
  65         char                    *alloc_mem;
  66
  67         if (DBG_NOTCLASS(DBG_C_SECTIONS | DBG_C_SUPPORT))
  68                 return;
  69         if (DBG_NOTDETAIL())
  70                 return;
  71
  72         Dbg_util_nl(lml, DBG_NL_STD);
  73         dbg_print(lml, MSG_INTL(MSG_SHD_MODIFIED),
  74             dbg_fmt_isec_name2(name, ndx, buf, &alloc_mem), obj);
  75         free(alloc_mem);
  76
  77         dbg_print(lml, MSG_INTL(MSG_SHD_ORIG));
  78         Elf_shdr(lml, osabi, mach, oshdr);
  79
  80         dbg_print(lml, MSG_INTL(MSG_SHD_NEW));
  81         Elf_shdr(lml, osabi, mach, nshdr);
  82
  83         Dbg_util_nl(lml, DBG_NL_STD);
  84 }