1 /* Matsushita AM33/2.0 support for 32-bit GNU/Linux ELF
2 Copyright (C) 2003-2021 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. */
41 static bool
elf32_am33lin_grok_prstatus(bfd * abfd,Elf_Internal_Note * note)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 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
72 static bool
elf32_am33lin_grok_psinfo(bfd * abfd,Elf_Internal_Note * note)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 #define elf_backend_linux_prpsinfo32_ugid16 true
106
107 #include "elf-m10300.c"
108