1 /* Binutils emulation layer.
2 Copyright (C) 2002-2021 Free Software Foundation, Inc.
3 Written by Tom Rix, Red Hat Inc.
4
5 This file is part of GNU Binutils.
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 "binemul.h"
23 #include "bfdlink.h"
24 #include "coff/internal.h"
25 #include "coff/xcoff.h"
26 #include "libcoff.h"
27 #include "libxcoff.h"
28
29 /* Default to <bigaf>. */
30 /* FIXME: write only variable. */
31 static bool big_archive = true;
32
33 /* Whether to include 32 bit objects. */
34 static bool X32 = true;
35
36 /* Whether to include 64 bit objects. */
37 static bool X64 = false;
38
39 static void
ar_emul_aix_usage(FILE * fp)40 ar_emul_aix_usage (FILE *fp)
41 {
42 AR_EMUL_USAGE_PRINT_OPTION_HEADER (fp);
43 /* xgettext:c-format */
44 fprintf (fp, _(" [-g] - 32 bit small archive\n"));
45 fprintf (fp, _(" [-X32] - ignores 64 bit objects\n"));
46 fprintf (fp, _(" [-X64] - ignores 32 bit objects\n"));
47 fprintf (fp, _(" [-X32_64] - accepts 32 and 64 bit objects\n"));
48 }
49
50 static bool
check_aix(bfd * try_bfd)51 check_aix (bfd *try_bfd)
52 {
53 extern const bfd_target rs6000_xcoff_vec;
54 extern const bfd_target rs6000_xcoff64_vec;
55 extern const bfd_target rs6000_xcoff64_aix_vec;
56
57 if (bfd_check_format (try_bfd, bfd_object))
58 {
59 if (!X32 && try_bfd->xvec == &rs6000_xcoff_vec)
60 return false;
61
62 if (!X64 && (try_bfd->xvec == &rs6000_xcoff64_vec
63 || try_bfd->xvec == &rs6000_xcoff64_aix_vec))
64 return false;
65 }
66 return true;
67 }
68
69 static bool
ar_emul_aix_append(bfd ** after_bfd,bfd * new_bfd,bool verbose,bool flatten)70 ar_emul_aix_append (bfd **after_bfd, bfd *new_bfd,
71 bool verbose, bool flatten)
72 {
73 return do_ar_emul_append (after_bfd, new_bfd, verbose, flatten, check_aix);
74 }
75
76 static bool
ar_emul_aix_replace(bfd ** after_bfd,bfd * new_bfd,bool verbose)77 ar_emul_aix_replace (bfd **after_bfd, bfd *new_bfd,
78 bool verbose)
79 {
80 if (!check_aix (new_bfd))
81 return false;
82
83 AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, bfd_get_filename (new_bfd));
84
85 new_bfd->archive_next = *after_bfd;
86 *after_bfd = new_bfd;
87
88 return true;
89 }
90
91 static bool
ar_emul_aix_parse_arg(char * arg)92 ar_emul_aix_parse_arg (char *arg)
93 {
94 if (startswith (arg, "-X32_64"))
95 {
96 big_archive = true;
97 X32 = true;
98 X64 = true;
99 }
100 else if (startswith (arg, "-X32"))
101 {
102 big_archive = true;
103 X32 = true;
104 X64 = false;
105 }
106 else if (startswith (arg, "-X64"))
107 {
108 big_archive = true;
109 X32 = false;
110 X64 = true;
111 }
112 else if (startswith (arg, "-g"))
113 {
114 big_archive = false;
115 X32 = true;
116 X64 = false;
117 }
118 else
119 return false;
120
121 return true;
122 }
123
124 struct bin_emulation_xfer_struct bin_aix_emulation =
125 {
126 ar_emul_aix_usage,
127 ar_emul_aix_append,
128 ar_emul_aix_replace,
129 ar_emul_aix_parse_arg,
130 };
131