bfd/elf32-am33lin.c

   1 /* Matsushita AM33/2.0 support for 32-bit GNU/Linux ELF
   2    Copyright 2003, 2005, 2007
   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 3 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,
  20    MA 02110-1301, USA.  */
  21
  22 #include "sysdep.h"
  23 #include "bfd.h"
  24 #include "elf-bfd.h"
  25 #include "elf/mn10300.h"
  26
  27 #define elf_symbol_leading_char 0
  28
  29 #define TARGET_LITTLE_SYM       bfd_elf32_am33lin_vec
  30 #define TARGET_LITTLE_NAME      "elf32-am33lin"
  31 #define ELF_ARCH                bfd_arch_mn10300
  32 #define ELF_MACHINE_CODE        EM_MN10300
  33 #define ELF_MACHINE_ALT1        EM_CYGNUS_MN10300
  34 #define ELF_MAXPAGESIZE         0x1000
  35
  36 /* Rename global functions.  */
  37 #define _bfd_mn10300_elf_merge_private_bfd_data  _bfd_am33_elf_merge_private_bfd_data
  38 #define _bfd_mn10300_elf_object_p                _bfd_am33_elf_object_p
  39 #define _bfd_mn10300_elf_final_write_processing  _bfd_am33_elf_final_write_processing
  40
  41 /* Support for core dump NOTE sections.  */
  42 static bfd_boolean
  43 elf32_am33lin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
  44 {
  45   int offset;
  46   unsigned int size;
  47
  48   switch (note->descsz)
  49     {
  50       default:
  51         return FALSE;
  52
  53       case 184:
  54       case 188:         /* Linux/am33 */
  55         /* pr_cursig */
  56         elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
  57
  58         /* pr_pid */
  59         elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
  60
  61         /* pr_reg */
  62         offset = 72;
  63         size = 112;
  64
  65         break;
  66     }
  67
  68   /* Make a ".reg/999" section.  */
  69   return _bfd_elfcore_make_pseudosection (abfd, ".reg", size,
  70                                           note->descpos + offset);
  71 }
  72
  73 static bfd_boolean
  74 elf32_am33lin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
  75 {
  76   switch (note->descsz)
  77     {
  78       default:
  79         return FALSE;
  80
  81       case 124:         /* Linux/am33 elf_prpsinfo */
  82         elf_tdata (abfd)->core->program
  83          = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
  84         elf_tdata (abfd)->core->command
  85          = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
  86     }
  87
  88   /* Note that for some reason, a spurious space is tacked
  89      onto the end of the args in some (at least one anyway)
  90      implementations, so strip it off if it exists.  */
  91
  92   {
  93     char *command = elf_tdata (abfd)->core->command;
  94     int n = strlen (command);
  95
  96     if (0 < n && command[n - 1] == ' ')
  97       command[n - 1] = '\0';
  98   }
  99
 100   return TRUE;
 101 }
 102
 103 #define elf_backend_grok_prstatus       elf32_am33lin_grok_prstatus
 104 #define elf_backend_grok_psinfo         elf32_am33lin_grok_psinfo
 105
 106 #include "elf-m10300.c"