LCOV - code coverage report
Current view: top level - backends - ia64_symbol.c (source / functions) Hit Total Coverage
Test: elfutils-0.178 Lines: 25 43 58.1 %
Date: 2019-11-26 23:55:16 Functions: 7 8 87.5 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* IA-64 specific symbolic name handling.
       2             :    Copyright (C) 2002-2009, 2014 Red Hat, Inc.
       3             :    This file is part of elfutils.
       4             :    Written by Ulrich Drepper <drepper@redhat.com>, 2002.
       5             : 
       6             :    This file is free software; you can redistribute it and/or modify
       7             :    it under the terms of either
       8             : 
       9             :      * the GNU Lesser General Public License as published by the Free
      10             :        Software Foundation; either version 3 of the License, or (at
      11             :        your option) any later version
      12             : 
      13             :    or
      14             : 
      15             :      * the GNU General Public License as published by the Free
      16             :        Software Foundation; either version 2 of the License, or (at
      17             :        your option) any later version
      18             : 
      19             :    or both in parallel, as here.
      20             : 
      21             :    elfutils is distributed in the hope that it will be useful, but
      22             :    WITHOUT ANY WARRANTY; without even the implied warranty of
      23             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      24             :    General Public License for more details.
      25             : 
      26             :    You should have received copies of the GNU General Public License and
      27             :    the GNU Lesser General Public License along with this program.  If
      28             :    not, see <http://www.gnu.org/licenses/>.  */
      29             : 
      30             : #ifdef HAVE_CONFIG_H
      31             : # include <config.h>
      32             : #endif
      33             : 
      34             : #include <elf.h>
      35             : #include <stddef.h>
      36             : #include <assert.h>
      37             : 
      38             : #define BACKEND         ia64_
      39             : #include "libebl_CPU.h"
      40             : 
      41             : 
      42             : const char *
      43           1 : ia64_segment_type_name (int segment, char *buf __attribute__ ((unused)),
      44             :                         size_t len __attribute__ ((unused)))
      45             : {
      46           1 :   switch (segment)
      47             :     {
      48             :     case PT_IA_64_ARCHEXT:
      49             :       return "IA_64_ARCHEXT";
      50           1 :     case PT_IA_64_UNWIND:
      51           1 :       return "IA_64_UNWIND";
      52           0 :     case PT_IA_64_HP_OPT_ANOT:
      53           0 :       return "IA_64_HP_OPT_ANOT";
      54           0 :     case PT_IA_64_HP_HSL_ANOT:
      55           0 :       return "IA_64_HP_HSL_ANOT";
      56           0 :     case PT_IA_64_HP_STACK:
      57           0 :       return "IA_64_HP_STACK";
      58             :     default:
      59           0 :       break;
      60             :     }
      61           0 :   return NULL;
      62             : }
      63             : 
      64             : const char *
      65           0 : ia64_dynamic_tag_name (int64_t tag, char *buf __attribute__ ((unused)),
      66             :                        size_t len __attribute__ ((unused)))
      67             : {
      68           0 :   switch (tag)
      69             :     {
      70             :     case DT_IA_64_PLT_RESERVE:
      71             :       return "IA_64_PLT_RESERVE";
      72             :     default:
      73           0 :       break;
      74             :     }
      75           0 :   return NULL;
      76             : }
      77             : 
      78             : /* Check dynamic tag.  */
      79             : bool
      80          31 : ia64_dynamic_tag_check (int64_t tag)
      81             : {
      82          31 :   return tag == DT_IA_64_PLT_RESERVE;
      83             : }
      84             : 
      85             : /* Check whether machine flags are valid.  */
      86             : bool
      87           1 : ia64_machine_flag_check (GElf_Word flags)
      88             : {
      89           1 :   return ((flags &~ EF_IA_64_ABI64) == 0);
      90             : }
      91             : 
      92             : /* Check whether SHF_MASKPROC flags are valid.  */
      93             : bool
      94           4 : ia64_machine_section_flag_check (GElf_Xword sh_flags)
      95             : {
      96           4 :   return (sh_flags &~ (SHF_IA_64_SHORT | SHF_IA_64_NORECOV)) == 0;
      97             : }
      98             : 
      99             : /* Return symbolic representation of section type.  */
     100             : const char *
     101           2 : ia64_section_type_name (int type,
     102             :                         char *buf __attribute__ ((unused)),
     103             :                         size_t len __attribute__ ((unused)))
     104             : {
     105           2 :   switch (type)
     106             :     {
     107             :     case SHT_IA_64_EXT:
     108             :       return "IA_64_EXT";
     109           1 :     case SHT_IA_64_UNWIND:
     110           1 :       return "IA_64_UNWIND";
     111             :     }
     112             : 
     113           1 :   return NULL;
     114             : }
     115             : 
     116             : /* Check for the simple reloc types.  */
     117             : Elf_Type
     118        1470 : ia64_reloc_simple_type (Ebl *ebl, int type,
     119             :                         int *addsub __attribute__ ((unused)))
     120             : {
     121        1470 :   switch (type)
     122             :     {
     123             :       /* The SECREL types when used with non-allocated sections
     124             :          like .debug_* are the same as direct absolute relocs
     125             :          applied to those sections, since a 0 section address is assumed.
     126             :          So we treat them the same here.  */
     127             : 
     128           0 :     case R_IA64_SECREL32MSB:
     129             :     case R_IA64_DIR32MSB:
     130           0 :       if (ebl->data == ELFDATA2MSB)
     131           0 :         return ELF_T_WORD;
     132             :       break;
     133        1455 :     case R_IA64_SECREL32LSB:
     134             :     case R_IA64_DIR32LSB:
     135        1455 :       if (ebl->data == ELFDATA2LSB)
     136        1455 :         return ELF_T_WORD;
     137             :       break;
     138           0 :     case R_IA64_DIR64MSB:
     139             :     case R_IA64_SECREL64MSB:
     140           0 :       if (ebl->data == ELFDATA2MSB)
     141           0 :         return ELF_T_XWORD;
     142             :       break;
     143          15 :     case R_IA64_SECREL64LSB:
     144             :     case R_IA64_DIR64LSB:
     145          15 :       if (ebl->data == ELFDATA2LSB)
     146          15 :         return ELF_T_XWORD;
     147             :       break;
     148             :     }
     149             : 
     150             :   return ELF_T_NUM;
     151             : }
     152             : 
     153             : /* The SHT_IA_64_UNWIND section type is a valid target for relocation.  */
     154             : bool
     155           1 : ia64_check_reloc_target_type (Ebl *ebl __attribute__ ((unused)), Elf64_Word sh_type)
     156             : {
     157           1 :   return sh_type == SHT_IA_64_UNWIND;
     158             : }

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