1/* Matsushita AM33/2.0 support for 32-bit GNU/Linux ELF
2   Copyright (C) 2003-2017 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
19   MA 02110-1301, USA.  */
20
21#include "sysdep.h"
22#include "bfd.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	am33_elf32_linux_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 184:
53      case 188:		/* Linux/am33 */
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->lwpid = bfd_get_32 (abfd, note->descdata + 24);
59
60	/* pr_reg */
61	offset = 72;
62	size = 112;
63
64	break;
65    }
66
67  /* Make a ".reg/999" section.  */
68  return _bfd_elfcore_make_pseudosection (abfd, ".reg", size,
69					  note->descpos + offset);
70}
71
72static bfd_boolean
73elf32_am33lin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
74{
75  switch (note->descsz)
76    {
77      default:
78	return FALSE;
79
80      case 124:		/* Linux/am33 elf_prpsinfo */
81	elf_tdata (abfd)->core->program
82	 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
83	elf_tdata (abfd)->core->command
84	 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
85    }
86
87  /* Note that for some reason, a spurious space is tacked
88     onto the end of the args in some (at least one anyway)
89     implementations, so strip it off if it exists.  */
90
91  {
92    char *command = elf_tdata (abfd)->core->command;
93    int n = strlen (command);
94
95    if (0 < n && command[n - 1] == ' ')
96      command[n - 1] = '\0';
97  }
98
99  return TRUE;
100}
101
102#define elf_backend_grok_prstatus	elf32_am33lin_grok_prstatus
103#define elf_backend_grok_psinfo		elf32_am33lin_grok_psinfo
104
105#include "elf-m10300.c"
106