bfd/elf32-am33lin.c

   1 /* Matsushita AM33/2.0 support for 32-bit GNU/Linux ELF
   2    Copyright 2003, 2005
   3    Free Software Foundation, Inc.
   4
   5    This file is part of BFD, the Binary File Descriptor library.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  20
  21 #include "bfd.h"
  22 #include "sysdep.h"
  23 #include "elf-bfd.h"
  24 #include "elf/mn10300.h"
  25
  26 #define elf_symbol_leading_char 0
  27
  28 #define TARGET_LITTLE_SYM       bfd_elf32_am33lin_vec
  29 #define TARGET_LITTLE_NAME      "elf32-am33lin"
  30 #define ELF_ARCH                bfd_arch_mn10300
  31 #define ELF_MACHINE_CODE        EM_MN10300
  32 #define ELF_MACHINE_ALT1        EM_CYGNUS_MN10300
  33 #define ELF_MAXPAGESIZE         0x1000
  34
  35 /* Rename global functions.  */
  36 #define _bfd_mn10300_elf_merge_private_bfd_data  _bfd_am33_elf_merge_private_bfd_data
  37 #define _bfd_mn10300_elf_object_p                _bfd_am33_elf_object_p
  38 #define _bfd_mn10300_elf_final_write_processing  _bfd_am33_elf_final_write_processing
  39
  40 /* Support for core dump NOTE sections.  */
  41 static bfd_boolean
  42 elf32_am33lin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
  43 {
  44   int offset;
  45   unsigned int size;
  46
  47   switch (note->descsz)
  48     {
  49       default:
  50         return FALSE;
  51
  52       case 188:         /* Linux/am33 */
  53         /* pr_cursig */
  54         elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
  55
  56         /* pr_pid */
  57         elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
  58
  59         /* pr_reg */
  60         offset = 72;
  61         size = 112;
  62
  63         break;
  64     }
  65
  66   /* Make a ".reg/999" section.  */
  67   return _bfd_elfcore_make_pseudosection (abfd, ".reg", size,
  68                                           note->descpos + offset);
  69 }
  70
  71 static bfd_boolean
  72 elf32_am33lin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
  73 {
  74   switch (note->descsz)
  75     {
  76       default:
  77         return FALSE;
  78
  79       case 124:         /* Linux/am33 elf_prpsinfo */
  80         elf_tdata (abfd)->core_program
  81          = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
  82         elf_tdata (abfd)->core_command
  83          = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
  84     }
  85
  86   /* Note that for some reason, a spurious space is tacked
  87      onto the end of the args in some (at least one anyway)
  88      implementations, so strip it off if it exists.  */
  89
  90   {
  91     char *command = elf_tdata (abfd)->core_command;
  92     int n = strlen (command);
  93
  94     if (0 < n && command[n - 1] == ' ')
  95       command[n - 1] = '\0';
  96   }
  97
  98   return TRUE;
  99 }
 100
 101 #define elf_backend_grok_prstatus       elf32_am33lin_grok_prstatus
 102 #define elf_backend_grok_psinfo         elf32_am33lin_grok_psinfo
 103
 104 #include "elf-m10300.c"