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