1 /* Binutils emulation layer.
2    Copyright 2002, 2003 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 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 "binemul.h"
22 #include "bfdlink.h"
23 #include "coff/internal.h"
24 #include "coff/xcoff.h"
25 #include "libcoff.h"
26 #include "libxcoff.h"
27 
28 /* Default to <bigaf>.  */
29 static bfd_boolean big_archive = TRUE;
30 
31 /* Whether to include 32 bit objects.  */
32 static bfd_boolean X32 = TRUE;
33 
34 /* Whether to include 64 bit objects.  */
35 static bfd_boolean X64 = FALSE;
36 
37 static void ar_emul_aix_usage (FILE *);
38 static bfd_boolean ar_emul_aix_append (bfd **, char *, bfd_boolean);
39 static bfd_boolean ar_emul_aix5_append (bfd **, char *, bfd_boolean);
40 static bfd_boolean ar_emul_aix_replace (bfd **, char *, bfd_boolean);
41 static bfd_boolean ar_emul_aix5_replace (bfd **, char *, bfd_boolean);
42 static bfd_boolean ar_emul_aix_parse_arg (char *);
43 static bfd_boolean ar_emul_aix_internal
44   (bfd **, char *, bfd_boolean, const char *, bfd_boolean);
45 
46 static void
ar_emul_aix_usage(FILE * fp)47 ar_emul_aix_usage (FILE *fp)
48 {
49   AR_EMUL_USAGE_PRINT_OPTION_HEADER (fp);
50   /* xgettext:c-format */
51   fprintf (fp, _("  [-g]         - 32 bit small archive\n"));
52   fprintf (fp, _("  [-X32]       - ignores 64 bit objects\n"));
53   fprintf (fp, _("  [-X64]       - ignores 32 bit objects\n"));
54   fprintf (fp, _("  [-X32_64]    - accepts 32 and 64 bit objects\n"));
55 }
56 
57 static bfd_boolean
ar_emul_aix_internal(bfd ** after_bfd,char * file_name,bfd_boolean verbose,const char * target_name,bfd_boolean is_append)58 ar_emul_aix_internal (bfd **after_bfd, char *file_name, bfd_boolean verbose,
59 		      const char * target_name, bfd_boolean is_append)
60 {
61   bfd *temp;
62   bfd *try_bfd;
63 
64   temp = *after_bfd;
65 
66   /* Try 64 bit.  */
67   try_bfd = bfd_openr (file_name, target_name);
68 
69   /* Failed or the object is possibly 32 bit.  */
70   if (NULL == try_bfd || ! bfd_check_format (try_bfd, bfd_object))
71     try_bfd = bfd_openr (file_name, "aixcoff-rs6000");
72 
73   AR_EMUL_ELEMENT_CHECK (try_bfd, file_name);
74 
75   if (bfd_xcoff_is_xcoff64 (try_bfd) && (! X64))
76     return FALSE;
77 
78   if (bfd_xcoff_is_xcoff32 (try_bfd)
79       && bfd_check_format (try_bfd, bfd_object) && (! X32))
80     return FALSE;
81 
82   if (is_append)
83     {
84       AR_EMUL_APPEND_PRINT_VERBOSE (verbose, file_name);
85     }
86   else
87     {
88       AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);
89     }
90 
91   *after_bfd = try_bfd;
92   (*after_bfd)->next = temp;
93 
94   return TRUE;
95 }
96 
97 
98 static bfd_boolean
ar_emul_aix_append(bfd ** after_bfd,char * file_name,bfd_boolean verbose)99 ar_emul_aix_append (bfd **after_bfd, char *file_name, bfd_boolean verbose)
100 {
101   return ar_emul_aix_internal (after_bfd, file_name, verbose,
102 			       "aixcoff64-rs6000", TRUE);
103 }
104 
105 static bfd_boolean
ar_emul_aix5_append(bfd ** after_bfd,char * file_name,bfd_boolean verbose)106 ar_emul_aix5_append (bfd **after_bfd, char *file_name, bfd_boolean verbose)
107 {
108   return ar_emul_aix_internal (after_bfd, file_name, verbose,
109 			       "aix5coff64-rs6000", TRUE);
110 }
111 
112 static bfd_boolean
ar_emul_aix_replace(bfd ** after_bfd,char * file_name,bfd_boolean verbose)113 ar_emul_aix_replace (bfd **after_bfd, char *file_name, bfd_boolean verbose)
114 {
115   return ar_emul_aix_internal (after_bfd, file_name, verbose,
116 			       "aixcoff64-rs6000", FALSE);
117 }
118 
119 static bfd_boolean
ar_emul_aix5_replace(bfd ** after_bfd,char * file_name,bfd_boolean verbose)120 ar_emul_aix5_replace (bfd **after_bfd, char *file_name, bfd_boolean verbose)
121 {
122   return ar_emul_aix_internal (after_bfd, file_name, verbose,
123 			       "aix5coff64-rs6000", FALSE);
124 }
125 
126 static bfd_boolean
ar_emul_aix_parse_arg(char * arg)127 ar_emul_aix_parse_arg (char *arg)
128 {
129   if (strncmp (arg, "-X32_64", 6) == 0)
130     {
131       big_archive = TRUE;
132       X32 = TRUE;
133       X64 = TRUE;
134     }
135   else if (strncmp (arg, "-X32", 3) == 0)
136     {
137       big_archive = TRUE;
138       X32 = TRUE;
139       X64 = FALSE;
140     }
141   else if (strncmp (arg, "-X64", 3) == 0)
142     {
143       big_archive = TRUE;
144       X32 = FALSE;
145       X64 = TRUE;
146     }
147   else if (strncmp (arg, "-g", 2) == 0)
148     {
149       big_archive = FALSE;
150       X32 = TRUE;
151       X64 = FALSE;
152     }
153   else
154     return FALSE;
155 
156   return TRUE;
157 }
158 
159 struct bin_emulation_xfer_struct bin_aix_emulation =
160 {
161   ar_emul_aix_usage,
162   ar_emul_aix_append,
163   ar_emul_aix_replace,
164   ar_emul_aix_parse_arg,
165 };
166 
167 struct bin_emulation_xfer_struct bin_aix5_emulation =
168 {
169   ar_emul_aix_usage,
170   ar_emul_aix5_append,
171   ar_emul_aix5_replace,
172   ar_emul_aix_parse_arg,
173 };
174