bfd/elf32-sh-lin.c

   1 /* Hitachi SH specific support for 32-bit Linux
   2    Copyright 2000, 2001 Free Software Foundation, Inc.
   3
   4 This file is part of BFD, the Binary File Descriptor library.
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  19
  20 #define TARGET_BIG_SYM bfd_elf32_shblin_vec
  21 #define TARGET_BIG_NAME "elf32-shbig-linux"
  22 #define TARGET_LITTLE_SYM bfd_elf32_shlin_vec
  23 #define TARGET_LITTLE_NAME "elf32-sh-linux"
  24 #define ELF_ARCH bfd_arch_sh
  25 #define ELF_MACHINE_CODE EM_SH
  26 #define ELF_MAXPAGESIZE 0x10000
  27 #define elf_symbol_leading_char 0
  28
  29 #include "bfd.h"
  30 #include "sysdep.h"
  31 #include "elf/internal.h"
  32 #include "elf-bfd.h"
  33
  34 static boolean elf32_shlin_grok_prstatus
  35   PARAMS ((bfd *abfd, Elf_Internal_Note *note));
  36 static boolean elf32_shlin_grok_psinfo
  37   PARAMS ((bfd *abfd, Elf_Internal_Note *note));
  38
  39 /* Support for core dump NOTE sections */
  40 static boolean
  41 elf32_shlin_grok_prstatus (abfd, note)
  42      bfd *abfd;
  43      Elf_Internal_Note *note;
  44 {
  45   int offset;
  46   unsigned int raw_size;
  47
  48   switch (note->descsz)
  49     {
  50       default:
  51         return false;
  52
  53       case 168:         /* Linux/SH */
  54         /* pr_cursig */
  55         elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
  56
  57         /* pr_pid */
  58         elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
  59
  60         /* pr_reg */
  61         offset = 72;
  62         raw_size = 92;
  63
  64         break;
  65     }
  66
  67   /* Make a ".reg/999" section.  */
  68   return _bfd_elfcore_make_pseudosection (abfd, ".reg",
  69                                           raw_size, note->descpos + offset);
  70 }
  71
  72 static boolean
  73 elf32_shlin_grok_psinfo (abfd, note)
  74      bfd *abfd;
  75      Elf_Internal_Note *note;
  76 {
  77   switch (note->descsz)
  78     {
  79       default:
  80         return false;
  81
  82       case 124:         /* Linux/SH elf_prpsinfo */
  83         elf_tdata (abfd)->core_program
  84          = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
  85         elf_tdata (abfd)->core_command
  86          = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
  87     }
  88
  89   /* Note that for some reason, a spurious space is tacked
  90      onto the end of the args in some (at least one anyway)
  91      implementations, so strip it off if it exists.  */
  92
  93   {
  94     char *command = elf_tdata (abfd)->core_command;
  95     int n = strlen (command);
  96
  97     if (0 < n && command[n - 1] == ' ')
  98       command[n - 1] = '\0';
  99   }
 100
 101   return true;
 102 }
 103 \f
 104
 105 #define elf_backend_grok_prstatus       elf32_shlin_grok_prstatus
 106 #define elf_backend_grok_psinfo         elf32_shlin_grok_psinfo
 107
 108
 109
 110 #include "elf32-sh.c"