1 /* Binutils emulation layer.
2    Copyright (C) 2002-2016 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 
24 extern bin_emulation_xfer_type bin_dummy_emulation;
25 
26 void
ar_emul_usage(FILE * fp)27 ar_emul_usage (FILE *fp)
28 {
29   if (bin_dummy_emulation.ar_usage)
30     bin_dummy_emulation.ar_usage (fp);
31 }
32 
33 void
ar_emul_default_usage(FILE * fp)34 ar_emul_default_usage (FILE *fp)
35 {
36   AR_EMUL_USAGE_PRINT_OPTION_HEADER (fp);
37   /* xgettext:c-format */
38   fprintf (fp, _("  No emulation specific options\n"));
39 }
40 
41 bfd_boolean
ar_emul_append(bfd ** after_bfd,char * file_name,const char * target,bfd_boolean verbose,bfd_boolean flatten)42 ar_emul_append (bfd **after_bfd, char *file_name, const char *target,
43 		bfd_boolean verbose, bfd_boolean flatten)
44 {
45   if (bin_dummy_emulation.ar_append)
46     return bin_dummy_emulation.ar_append (after_bfd, file_name, target,
47 					  verbose, flatten);
48 
49   return FALSE;
50 }
51 
52 static bfd_boolean
any_ok(bfd * new_bfd ATTRIBUTE_UNUSED)53 any_ok (bfd *new_bfd ATTRIBUTE_UNUSED)
54 {
55   return TRUE;
56 }
57 
58 bfd_boolean
do_ar_emul_append(bfd ** after_bfd,bfd * new_bfd,bfd_boolean verbose,bfd_boolean flatten,bfd_boolean (* check)(bfd *))59 do_ar_emul_append (bfd **after_bfd, bfd *new_bfd,
60 		   bfd_boolean verbose, bfd_boolean flatten,
61 		   bfd_boolean (*check) (bfd *))
62 {
63   /* When flattening, add the members of an archive instead of the
64      archive itself.  */
65   if (flatten && bfd_check_format (new_bfd, bfd_archive))
66     {
67       bfd *elt;
68       bfd_boolean added = FALSE;
69 
70       for (elt = bfd_openr_next_archived_file (new_bfd, NULL);
71            elt;
72            elt = bfd_openr_next_archived_file (new_bfd, elt))
73         {
74           if (do_ar_emul_append (after_bfd, elt, verbose, TRUE, check))
75             {
76               added = TRUE;
77               after_bfd = &((*after_bfd)->archive_next);
78             }
79         }
80 
81       return added;
82     }
83 
84   if (!check (new_bfd))
85     return FALSE;
86 
87   AR_EMUL_APPEND_PRINT_VERBOSE (verbose, new_bfd->filename);
88 
89   new_bfd->archive_next = *after_bfd;
90   *after_bfd = new_bfd;
91 
92   return TRUE;
93 }
94 
95 bfd_boolean
ar_emul_default_append(bfd ** after_bfd,char * file_name,const char * target,bfd_boolean verbose,bfd_boolean flatten)96 ar_emul_default_append (bfd **after_bfd, char *file_name,
97 			const char *target, bfd_boolean verbose,
98 			bfd_boolean flatten)
99 {
100   bfd *new_bfd;
101 
102   new_bfd = bfd_openr (file_name, target);
103   AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);
104   return do_ar_emul_append (after_bfd, new_bfd, verbose, flatten, any_ok);
105 }
106 
107 bfd_boolean
ar_emul_replace(bfd ** after_bfd,char * file_name,const char * target,bfd_boolean verbose)108 ar_emul_replace (bfd **after_bfd, char *file_name, const char *target,
109 		 bfd_boolean verbose)
110 {
111   if (bin_dummy_emulation.ar_replace)
112     return bin_dummy_emulation.ar_replace (after_bfd, file_name,
113 					   target, verbose);
114 
115   return FALSE;
116 }
117 
118 bfd_boolean
ar_emul_default_replace(bfd ** after_bfd,char * file_name,const char * target,bfd_boolean verbose)119 ar_emul_default_replace (bfd **after_bfd, char *file_name,
120 			 const char *target, bfd_boolean verbose)
121 {
122   bfd *new_bfd;
123 
124   new_bfd = bfd_openr (file_name, target);
125   AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);
126 
127   AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);
128 
129   new_bfd->archive_next = *after_bfd;
130   *after_bfd = new_bfd;
131 
132   return TRUE;
133 }
134 
135 bfd_boolean
ar_emul_parse_arg(char * arg)136 ar_emul_parse_arg (char *arg)
137 {
138   if (bin_dummy_emulation.ar_parse_arg)
139     return bin_dummy_emulation.ar_parse_arg (arg);
140 
141   return FALSE;
142 }
143 
144 bfd_boolean
ar_emul_default_parse_arg(char * arg ATTRIBUTE_UNUSED)145 ar_emul_default_parse_arg (char *arg ATTRIBUTE_UNUSED)
146 {
147   return FALSE;
148 }
149