xref: /netbsd-src/external/gpl3/binutils/dist/bfd/elf32-am33lin.c (revision ca453df649ce9db45b64d73678ba06cbccf9aa11)
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 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_pid = 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 
72 static bfd_boolean
73 elf32_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