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.  */
41static bfd_boolean
42elf32_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
71static bfd_boolean
72elf32_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"
105