| Line 1... |
Line 1... |
| 1 |
/* SEC_MERGE support. |
1 |
/* SEC_MERGE support. |
| 2 |
Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
- |
|
| 3 |
Free Software Foundation, Inc. |
2 |
Copyright (C) 2001-2015 Free Software Foundation, Inc. |
| 4 |
Written by Jakub Jelinek . |
3 |
Written by Jakub Jelinek . |
| Line 5... |
Line 4... |
| 5 |
|
4 |
|
| Line 6... |
Line 5... |
| 6 |
This file is part of BFD, the Binary File Descriptor library. |
5 |
This file is part of BFD, the Binary File Descriptor library. |
| Line 24... |
Line 23... |
| 24 |
/* This file contains support for merging duplicate entities within sections, |
23 |
/* This file contains support for merging duplicate entities within sections, |
| 25 |
as used in ELF SHF_MERGE. */ |
24 |
as used in ELF SHF_MERGE. */ |
| Line 26... |
Line 25... |
| 26 |
|
25 |
|
| 27 |
#include "sysdep.h" |
26 |
#include "sysdep.h" |
| - |
|
27 |
#include "bfd.h" |
| 28 |
#include "bfd.h" |
28 |
#include "elf-bfd.h" |
| 29 |
#include "libbfd.h" |
29 |
#include "libbfd.h" |
| 30 |
#include "hashtab.h" |
30 |
#include "hashtab.h" |
| Line 31... |
Line 31... |
| 31 |
#include "libiberty.h" |
31 |
#include "libiberty.h" |
| Line 282... |
Line 282... |
| 282 |
|
282 |
|
| 283 |
return entry; |
283 |
return entry; |
| Line 284... |
Line 284... |
| 284 |
} |
284 |
} |
| 285 |
|
285 |
|
| - |
|
286 |
static bfd_boolean |
| 286 |
static bfd_boolean |
287 |
sec_merge_emit (bfd *abfd, struct sec_merge_hash_entry *entry, |
| 287 |
sec_merge_emit (bfd *abfd, struct sec_merge_hash_entry *entry) |
288 |
unsigned char *contents, file_ptr offset) |
| 288 |
{ |
289 |
{ |
| 289 |
struct sec_merge_sec_info *secinfo = entry->secinfo; |
290 |
struct sec_merge_sec_info *secinfo = entry->secinfo; |
| 290 |
asection *sec = secinfo->sec; |
291 |
asection *sec = secinfo->sec; |
| Line 305... |
Line 306... |
| 305 |
bfd_size_type len; |
306 |
bfd_size_type len; |
| Line 306... |
Line 307... |
| 306 |
|
307 |
|
| 307 |
len = -off & (entry->alignment - 1); |
308 |
len = -off & (entry->alignment - 1); |
| 308 |
if (len != 0) |
309 |
if (len != 0) |
| - |
|
310 |
{ |
| - |
|
311 |
if (contents) |
| - |
|
312 |
{ |
| - |
|
313 |
memcpy (contents + offset, pad, len); |
| - |
|
314 |
offset += len; |
| 309 |
{ |
315 |
} |
| 310 |
if (bfd_bwrite (pad, len, abfd) != len) |
316 |
else if (bfd_bwrite (pad, len, abfd) != len) |
| 311 |
goto err; |
317 |
goto err; |
| 312 |
off += len; |
318 |
off += len; |
| Line 313... |
Line 319... |
| 313 |
} |
319 |
} |
| 314 |
|
320 |
|
| Line -... |
Line 321... |
| - |
|
321 |
str = entry->root.string; |
| - |
|
322 |
len = entry->len; |
| - |
|
323 |
|
| - |
|
324 |
if (contents) |
| - |
|
325 |
{ |
| 315 |
str = entry->root.string; |
326 |
memcpy (contents + offset, str, len); |
| 316 |
len = entry->len; |
327 |
offset += len; |
| Line 317... |
Line 328... |
| 317 |
|
328 |
} |
| 318 |
if (bfd_bwrite (str, len, abfd) != len) |
329 |
else if (bfd_bwrite (str, len, abfd) != len) |
| Line 319... |
Line 330... |
| 319 |
goto err; |
330 |
goto err; |
| 320 |
|
331 |
|
| 321 |
off += len; |
332 |
off += len; |
| - |
|
333 |
} |
| - |
|
334 |
|
| - |
|
335 |
/* Trailing alignment needed? */ |
| 322 |
} |
336 |
off = sec->size - off; |
| 323 |
|
337 |
if (off != 0) |
| - |
|
338 |
{ |
| Line 324... |
Line 339... |
| 324 |
/* Trailing alignment needed? */ |
339 |
if (contents) |
| 325 |
off = sec->size - off; |
340 |
memcpy (contents + offset, pad, off); |
| 326 |
if (off != 0 |
341 |
else if (bfd_bwrite (pad, off, abfd) != off) |
| Line 784... |
Line 799... |
| 784 |
bfd_boolean |
799 |
bfd_boolean |
| 785 |
_bfd_write_merged_section (bfd *output_bfd, asection *sec, void *psecinfo) |
800 |
_bfd_write_merged_section (bfd *output_bfd, asection *sec, void *psecinfo) |
| 786 |
{ |
801 |
{ |
| 787 |
struct sec_merge_sec_info *secinfo; |
802 |
struct sec_merge_sec_info *secinfo; |
| 788 |
file_ptr pos; |
803 |
file_ptr pos; |
| - |
|
804 |
unsigned char *contents; |
| - |
|
805 |
Elf_Internal_Shdr *hdr; |
| Line 789... |
Line 806... |
| 789 |
|
806 |
|
| Line 790... |
Line 807... |
| 790 |
secinfo = (struct sec_merge_sec_info *) psecinfo; |
807 |
secinfo = (struct sec_merge_sec_info *) psecinfo; |
| 791 |
|
808 |
|
| Line 792... |
Line 809... |
| 792 |
if (!secinfo) |
809 |
if (!secinfo) |
| 793 |
return FALSE; |
810 |
return FALSE; |
| Line 794... |
Line 811... |
| 794 |
|
811 |
|
| - |
|
812 |
if (secinfo->first_str == NULL) |
| - |
|
813 |
return TRUE; |
| - |
|
814 |
|
| - |
|
815 |
/* FIXME: octets_per_byte. */ |
| - |
|
816 |
hdr = &elf_section_data (sec->output_section)->this_hdr; |
| - |
|
817 |
if (hdr->sh_offset == (file_ptr) -1) |
| - |
|
818 |
{ |
| - |
|
819 |
/* We must compress this section. Write output to the |
| - |
|
820 |
buffer. */ |
| - |
|
821 |
contents = hdr->contents; |
| - |
|
822 |
if ((sec->output_section->flags & SEC_ELF_COMPRESS) == 0 |
| - |
|
823 |
|| contents == NULL) |
| - |
|
824 |
abort (); |
| 795 |
if (secinfo->first_str == NULL) |
825 |
} |
| 796 |
return TRUE; |
826 |
else |
| 797 |
|
827 |
{ |
| - |
|
828 |
contents = NULL; |
| Line 798... |
Line 829... |
| 798 |
/* FIXME: octets_per_byte. */ |
829 |
pos = sec->output_section->filepos + sec->output_offset; |
| - |
|
830 |
if (bfd_seek (output_bfd, pos, SEEK_SET) != 0) |
| 799 |
pos = sec->output_section->filepos + sec->output_offset; |
831 |
return FALSE; |
| Line 800... |
Line 832... |
| 800 |
if (bfd_seek (output_bfd, pos, SEEK_SET) != 0) |
832 |
} |
| 801 |
return FALSE; |
833 |
|