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archive64.c (89857) archive64.c (130561)
1/* MIPS-specific support for 64-bit ELF
1/* MIPS-specific support for 64-bit ELF
2 Copyright 1996, 1997, 1998, 1999, 2000, 2001
2 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
3 Free Software Foundation, Inc.
4 Ian Lance Taylor, Cygnus Support
5 Linker support added by Mark Mitchell, CodeSourcery, LLC.
6 <mark@codesourcery.com>
7
8This file is part of BFD, the Binary File Descriptor library.
9
10This program is free software; you can redistribute it and/or modify

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26#include "bfd.h"
27#include "sysdep.h"
28#include "libbfd.h"
29#include "aout/ar.h"
30
31/* Irix 6 defines a 64bit archive map format, so that they can
32 have archives more than 4 GB in size. */
33
3 Free Software Foundation, Inc.
4 Ian Lance Taylor, Cygnus Support
5 Linker support added by Mark Mitchell, CodeSourcery, LLC.
6 <mark@codesourcery.com>
7
8This file is part of BFD, the Binary File Descriptor library.
9
10This program is free software; you can redistribute it and/or modify

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26#include "bfd.h"
27#include "sysdep.h"
28#include "libbfd.h"
29#include "aout/ar.h"
30
31/* Irix 6 defines a 64bit archive map format, so that they can
32 have archives more than 4 GB in size. */
33
34boolean bfd_elf64_archive_slurp_armap PARAMS ((bfd *));
35boolean bfd_elf64_archive_write_armap
36 PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int));
34bfd_boolean bfd_elf64_archive_slurp_armap (bfd *);
35bfd_boolean bfd_elf64_archive_write_armap
36 (bfd *, unsigned int, struct orl *, unsigned int, int);
37
38/* Read an Irix 6 armap. */
39
37
38/* Read an Irix 6 armap. */
39
40boolean
41bfd_elf64_archive_slurp_armap (abfd)
42 bfd *abfd;
40bfd_boolean
41bfd_elf64_archive_slurp_armap (bfd *abfd)
43{
44 struct artdata *ardata = bfd_ardata (abfd);
45 char nextname[17];
46 file_ptr arhdrpos;
47 bfd_size_type i, parsed_size, nsymz, stringsize, carsym_size, ptrsize;
48 struct areltdata *mapdata;
49 bfd_byte int_buf[8];
50 char *stringbase;
51 bfd_byte *raw_armap = NULL;
52 carsym *carsyms;
53 bfd_size_type amt;
54
55 ardata->symdefs = NULL;
56
57 /* Get the name of the first element. */
58 arhdrpos = bfd_tell (abfd);
42{
43 struct artdata *ardata = bfd_ardata (abfd);
44 char nextname[17];
45 file_ptr arhdrpos;
46 bfd_size_type i, parsed_size, nsymz, stringsize, carsym_size, ptrsize;
47 struct areltdata *mapdata;
48 bfd_byte int_buf[8];
49 char *stringbase;
50 bfd_byte *raw_armap = NULL;
51 carsym *carsyms;
52 bfd_size_type amt;
53
54 ardata->symdefs = NULL;
55
56 /* Get the name of the first element. */
57 arhdrpos = bfd_tell (abfd);
59 i = bfd_bread ((PTR) nextname, (bfd_size_type) 16, abfd);
58 i = bfd_bread (nextname, 16, abfd);
60 if (i == 0)
59 if (i == 0)
61 return true;
60 return TRUE;
62 if (i != 16)
61 if (i != 16)
63 return false;
62 return FALSE;
64
65 if (bfd_seek (abfd, (file_ptr) - 16, SEEK_CUR) != 0)
63
64 if (bfd_seek (abfd, (file_ptr) - 16, SEEK_CUR) != 0)
66 return false;
65 return FALSE;
67
68 /* Archives with traditional armaps are still permitted. */
69 if (strncmp (nextname, "/ ", 16) == 0)
70 return bfd_slurp_armap (abfd);
71
72 if (strncmp (nextname, "/SYM64/ ", 16) != 0)
73 {
66
67 /* Archives with traditional armaps are still permitted. */
68 if (strncmp (nextname, "/ ", 16) == 0)
69 return bfd_slurp_armap (abfd);
70
71 if (strncmp (nextname, "/SYM64/ ", 16) != 0)
72 {
74 bfd_has_map (abfd) = false;
75 return true;
73 bfd_has_map (abfd) = FALSE;
74 return TRUE;
76 }
77
78 mapdata = (struct areltdata *) _bfd_read_ar_hdr (abfd);
79 if (mapdata == NULL)
75 }
76
77 mapdata = (struct areltdata *) _bfd_read_ar_hdr (abfd);
78 if (mapdata == NULL)
80 return false;
79 return FALSE;
81 parsed_size = mapdata->parsed_size;
80 parsed_size = mapdata->parsed_size;
82 bfd_release (abfd, (PTR) mapdata);
81 bfd_release (abfd, mapdata);
83
82
84 if (bfd_bread (int_buf, (bfd_size_type) 8, abfd) != 8)
83 if (bfd_bread (int_buf, 8, abfd) != 8)
85 {
86 if (bfd_get_error () != bfd_error_system_call)
87 bfd_set_error (bfd_error_malformed_archive);
84 {
85 if (bfd_get_error () != bfd_error_system_call)
86 bfd_set_error (bfd_error_malformed_archive);
88 return false;
87 return FALSE;
89 }
90
91 nsymz = bfd_getb64 (int_buf);
92 stringsize = parsed_size - 8 * nsymz - 8;
93
94 carsym_size = nsymz * sizeof (carsym);
95 ptrsize = 8 * nsymz;
96
97 amt = carsym_size + stringsize + 1;
88 }
89
90 nsymz = bfd_getb64 (int_buf);
91 stringsize = parsed_size - 8 * nsymz - 8;
92
93 carsym_size = nsymz * sizeof (carsym);
94 ptrsize = 8 * nsymz;
95
96 amt = carsym_size + stringsize + 1;
98 ardata->symdefs = (carsym *) bfd_zalloc (abfd, amt);
97 ardata->symdefs = bfd_zalloc (abfd, amt);
99 if (ardata->symdefs == NULL)
98 if (ardata->symdefs == NULL)
100 return false;
99 return FALSE;
101 carsyms = ardata->symdefs;
102 stringbase = ((char *) ardata->symdefs) + carsym_size;
103
100 carsyms = ardata->symdefs;
101 stringbase = ((char *) ardata->symdefs) + carsym_size;
102
104 raw_armap = (bfd_byte *) bfd_alloc (abfd, ptrsize);
103 raw_armap = bfd_alloc (abfd, ptrsize);
105 if (raw_armap == NULL)
106 goto release_symdefs;
107
108 if (bfd_bread (raw_armap, ptrsize, abfd) != ptrsize
109 || bfd_bread (stringbase, stringsize, abfd) != stringsize)
110 {
111 if (bfd_get_error () != bfd_error_system_call)
112 bfd_set_error (bfd_error_malformed_archive);

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122 }
123 *stringbase = '\0';
124
125 ardata->symdef_count = nsymz;
126 ardata->first_file_filepos = bfd_tell (abfd);
127 /* Pad to an even boundary if you have to. */
128 ardata->first_file_filepos += (ardata->first_file_filepos) % 2;
129
104 if (raw_armap == NULL)
105 goto release_symdefs;
106
107 if (bfd_bread (raw_armap, ptrsize, abfd) != ptrsize
108 || bfd_bread (stringbase, stringsize, abfd) != stringsize)
109 {
110 if (bfd_get_error () != bfd_error_system_call)
111 bfd_set_error (bfd_error_malformed_archive);

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121 }
122 *stringbase = '\0';
123
124 ardata->symdef_count = nsymz;
125 ardata->first_file_filepos = bfd_tell (abfd);
126 /* Pad to an even boundary if you have to. */
127 ardata->first_file_filepos += (ardata->first_file_filepos) % 2;
128
130 bfd_has_map (abfd) = true;
129 bfd_has_map (abfd) = TRUE;
131 bfd_release (abfd, raw_armap);
132
130 bfd_release (abfd, raw_armap);
131
133 return true;
132 return TRUE;
134
135release_raw_armap:
136 bfd_release (abfd, raw_armap);
137release_symdefs:
138 bfd_release (abfd, ardata->symdefs);
133
134release_raw_armap:
135 bfd_release (abfd, raw_armap);
136release_symdefs:
137 bfd_release (abfd, ardata->symdefs);
139 return false;
138 return FALSE;
140}
141
142/* Write out an Irix 6 armap. The Irix 6 tools are supposed to be
143 able to handle ordinary ELF armaps, but at least on Irix 6.2 the
144 linker crashes. */
145
139}
140
141/* Write out an Irix 6 armap. The Irix 6 tools are supposed to be
142 able to handle ordinary ELF armaps, but at least on Irix 6.2 the
143 linker crashes. */
144
146boolean
147bfd_elf64_archive_write_armap (arch, elength, map, symbol_count, stridx)
148 bfd *arch;
149 unsigned int elength;
150 struct orl *map;
151 unsigned int symbol_count;
152 int stridx;
145bfd_boolean
146bfd_elf64_archive_write_armap (bfd *arch,
147 unsigned int elength,
148 struct orl *map,
149 unsigned int symbol_count,
150 int stridx)
153{
154 unsigned int ranlibsize = (symbol_count * 8) + 8;
155 unsigned int stringsize = stridx;
156 unsigned int mapsize = stringsize + ranlibsize;
157 file_ptr archive_member_file_ptr;
158 bfd *current = arch->archive_head;
159 unsigned int count;
160 struct ar_hdr hdr;

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166 mapsize += padding;
167
168 /* work out where the first object file will go in the archive */
169 archive_member_file_ptr = (mapsize
170 + elength
171 + sizeof (struct ar_hdr)
172 + SARMAG);
173
151{
152 unsigned int ranlibsize = (symbol_count * 8) + 8;
153 unsigned int stringsize = stridx;
154 unsigned int mapsize = stringsize + ranlibsize;
155 file_ptr archive_member_file_ptr;
156 bfd *current = arch->archive_head;
157 unsigned int count;
158 struct ar_hdr hdr;

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164 mapsize += padding;
165
166 /* work out where the first object file will go in the archive */
167 archive_member_file_ptr = (mapsize
168 + elength
169 + sizeof (struct ar_hdr)
170 + SARMAG);
171
174 memset ((char *) (&hdr), 0, sizeof (struct ar_hdr));
172 memset (&hdr, 0, sizeof (struct ar_hdr));
175 strcpy (hdr.ar_name, "/SYM64/");
176 sprintf (hdr.ar_size, "%-10d", (int) mapsize);
177 sprintf (hdr.ar_date, "%ld", (long) time (NULL));
178 /* This, at least, is what Intel coff sets the values to.: */
179 sprintf ((hdr.ar_uid), "%d", 0);
180 sprintf ((hdr.ar_gid), "%d", 0);
181 sprintf ((hdr.ar_mode), "%-7o", (unsigned) 0);
182 strncpy (hdr.ar_fmag, ARFMAG, 2);
183
184 for (i = 0; i < sizeof (struct ar_hdr); i++)
185 if (((char *) (&hdr))[i] == '\0')
186 (((char *) (&hdr))[i]) = ' ';
187
188 /* Write the ar header for this item and the number of symbols */
189
173 strcpy (hdr.ar_name, "/SYM64/");
174 sprintf (hdr.ar_size, "%-10d", (int) mapsize);
175 sprintf (hdr.ar_date, "%ld", (long) time (NULL));
176 /* This, at least, is what Intel coff sets the values to.: */
177 sprintf ((hdr.ar_uid), "%d", 0);
178 sprintf ((hdr.ar_gid), "%d", 0);
179 sprintf ((hdr.ar_mode), "%-7o", (unsigned) 0);
180 strncpy (hdr.ar_fmag, ARFMAG, 2);
181
182 for (i = 0; i < sizeof (struct ar_hdr); i++)
183 if (((char *) (&hdr))[i] == '\0')
184 (((char *) (&hdr))[i]) = ' ';
185
186 /* Write the ar header for this item and the number of symbols */
187
190 if (bfd_bwrite ((PTR) &hdr, (bfd_size_type) sizeof (struct ar_hdr), arch)
188 if (bfd_bwrite (&hdr, sizeof (struct ar_hdr), arch)
191 != sizeof (struct ar_hdr))
189 != sizeof (struct ar_hdr))
192 return false;
190 return FALSE;
193
194 bfd_putb64 ((bfd_vma) symbol_count, buf);
191
192 bfd_putb64 ((bfd_vma) symbol_count, buf);
195 if (bfd_bwrite (buf, (bfd_size_type) 8, arch) != 8)
196 return false;
193 if (bfd_bwrite (buf, 8, arch) != 8)
194 return FALSE;
197
198 /* Two passes, first write the file offsets for each symbol -
199 remembering that each offset is on a two byte boundary. */
200
201 /* Write out the file offset for the file associated with each
202 symbol, and remember to keep the offsets padded out. */
203
204 current = arch->archive_head;
205 count = 0;
195
196 /* Two passes, first write the file offsets for each symbol -
197 remembering that each offset is on a two byte boundary. */
198
199 /* Write out the file offset for the file associated with each
200 symbol, and remember to keep the offsets padded out. */
201
202 current = arch->archive_head;
203 count = 0;
206 while (current != (bfd *) NULL && count < symbol_count)
204 while (current != NULL && count < symbol_count)
207 {
208 /* For each symbol which is used defined in this object, write out
209 the object file's address in the archive */
210
211 while (map[count].u.abfd == current)
212 {
213 bfd_putb64 ((bfd_vma) archive_member_file_ptr, buf);
205 {
206 /* For each symbol which is used defined in this object, write out
207 the object file's address in the archive */
208
209 while (map[count].u.abfd == current)
210 {
211 bfd_putb64 ((bfd_vma) archive_member_file_ptr, buf);
214 if (bfd_bwrite (buf, (bfd_size_type) 8, arch) != 8)
215 return false;
212 if (bfd_bwrite (buf, 8, arch) != 8)
213 return FALSE;
216 count++;
217 }
218 /* Add size of this archive entry */
219 archive_member_file_ptr += (arelt_size (current)
220 + sizeof (struct ar_hdr));
221 /* remember about the even alignment */
222 archive_member_file_ptr += archive_member_file_ptr % 2;
223 current = current->next;
224 }
225
226 /* now write the strings themselves */
227 for (count = 0; count < symbol_count; count++)
228 {
229 size_t len = strlen (*map[count].name) + 1;
230
214 count++;
215 }
216 /* Add size of this archive entry */
217 archive_member_file_ptr += (arelt_size (current)
218 + sizeof (struct ar_hdr));
219 /* remember about the even alignment */
220 archive_member_file_ptr += archive_member_file_ptr % 2;
221 current = current->next;
222 }
223
224 /* now write the strings themselves */
225 for (count = 0; count < symbol_count; count++)
226 {
227 size_t len = strlen (*map[count].name) + 1;
228
231 if (bfd_bwrite (*map[count].name, (bfd_size_type) len, arch) != len)
232 return false;
229 if (bfd_bwrite (*map[count].name, len, arch) != len)
230 return FALSE;
233 }
234
235 /* The spec says that this should be padded to an 8 byte boundary.
236 However, the Irix 6.2 tools do not appear to do this. */
237 while (padding != 0)
238 {
231 }
232
233 /* The spec says that this should be padded to an 8 byte boundary.
234 However, the Irix 6.2 tools do not appear to do this. */
235 while (padding != 0)
236 {
239 if (bfd_bwrite ("", (bfd_size_type) 1, arch) != 1)
240 return false;
237 if (bfd_bwrite ("", 1, arch) != 1)
238 return FALSE;
241 --padding;
242 }
243
239 --padding;
240 }
241
244 return true;
242 return TRUE;
245}
243}