20 |
|
|
21 |
#include "mach-o.h" |
#include "mach-o.h" |
22 |
#include "bfd.h" |
#include "bfd.h" |
23 |
|
#include "bfdlink.h" |
24 |
#include "sysdep.h" |
#include "sysdep.h" |
25 |
#include "libbfd.h" |
#include "libbfd.h" |
26 |
#include "libiberty.h" |
#include "libiberty.h" |
52 |
#define bfd_mach_o_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol |
#define bfd_mach_o_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol |
53 |
#define bfd_mach_o_read_minisymbols _bfd_generic_read_minisymbols |
#define bfd_mach_o_read_minisymbols _bfd_generic_read_minisymbols |
54 |
#define bfd_mach_o_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol |
#define bfd_mach_o_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol |
55 |
#define bfd_mach_o_get_reloc_upper_bound _bfd_norelocs_get_reloc_upper_bound |
/* default versions not appropriate */ |
56 |
#define bfd_mach_o_canonicalize_reloc _bfd_norelocs_canonicalize_reloc |
/* #define bfd_mach_o_get_reloc_upper_bound _bfd_norelocs_get_reloc_upper_bound */ |
57 |
#define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup |
/* #define bfd_mach_o_canonicalize_reloc _bfd_norelocs_canonicalize_reloc */ |
58 |
#define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents |
/* #define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup */ |
59 |
|
/* #define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents */ |
60 |
#define bfd_mach_o_bfd_relax_section bfd_generic_relax_section |
#define bfd_mach_o_bfd_relax_section bfd_generic_relax_section |
61 |
#define bfd_mach_o_bfd_link_hash_table_create _bfd_generic_link_hash_table_create |
#define bfd_mach_o_bfd_link_hash_table_create _bfd_generic_link_hash_table_create |
62 |
#define bfd_mach_o_bfd_link_hash_table_free _bfd_generic_link_hash_table_free |
#define bfd_mach_o_bfd_link_hash_table_free _bfd_generic_link_hash_table_free |
63 |
#define bfd_mach_o_bfd_link_add_symbols _bfd_generic_link_add_symbols |
/* default version not appropriate */ |
64 |
|
/* #define bfd_mach_o_bfd_link_add_symbols _bfd_generic_link_add_symbols */ |
65 |
#define bfd_mach_o_bfd_link_just_syms _bfd_generic_link_just_syms |
#define bfd_mach_o_bfd_link_just_syms _bfd_generic_link_just_syms |
66 |
#define bfd_mach_o_bfd_final_link _bfd_generic_final_link |
#define bfd_mach_o_bfd_final_link _bfd_generic_final_link |
67 |
#define bfd_mach_o_bfd_link_split_section _bfd_generic_link_split_section |
#define bfd_mach_o_bfd_link_split_section _bfd_generic_link_split_section |
145 |
static const char * bfd_mach_o_ppc_flavour_string |
static const char * bfd_mach_o_ppc_flavour_string |
146 |
PARAMS ((unsigned int)); |
PARAMS ((unsigned int)); |
147 |
|
|
148 |
|
/* the following functions are necessary for relocation */ |
149 |
|
static int bfd_mach_o_compar_st_idx |
150 |
|
PARAMS ((const void *, const void *)); |
151 |
|
static void bfd_mach_o_dump_ist_aux |
152 |
|
PARAMS ((bfd *, bfd_mach_o_symtab_command *, bfd_mach_o_section **, unsigned long, unsigned long)); |
153 |
|
static void bfd_mach_o_dump_ist |
154 |
|
PARAMS ((bfd *, bfd_mach_o_symtab_command *)); |
155 |
|
static bfd_boolean bfd_mach_o_check_ist |
156 |
|
PARAMS ((bfd_mach_o_ist *)); |
157 |
|
static bfd_mach_o_ist * bfd_mach_o_slurp_ist |
158 |
|
PARAMS ((bfd *)); |
159 |
|
static bfd_vma bfd_mach_o_get_lazy_symbol_stub |
160 |
|
PARAMS ((bfd_mach_o_ist *, unsigned long, asection **)); |
161 |
|
static bfd_vma bfd_mach_o_get_non_lazy_symbol_ptr |
162 |
|
PARAMS ((bfd_mach_o_ist *, unsigned long, asection **)); |
163 |
|
static bfd_boolean bfd_mach_o_bfd_link_add_symbols |
164 |
|
PARAMS ((bfd *, struct bfd_link_info *)); |
165 |
|
|
166 |
/* The flags field of a section structure is separated into two parts a section |
/* The flags field of a section structure is separated into two parts a section |
167 |
type and section attributes. The section types are mutually exclusive (it |
type and section attributes. The section types are mutually exclusive (it |
168 |
can only have one type) but the section attributes are not (it may have more |
can only have one type) but the section attributes are not (it may have more |
300 |
{ |
{ |
301 |
bfd_mach_o_symtab_command *sym = &mdata->commands[i].command.symtab; |
bfd_mach_o_symtab_command *sym = &mdata->commands[i].command.symtab; |
302 |
|
|
303 |
if (bfd_mach_o_scan_read_symtab_symbols (abfd, &mdata->commands[i].command.symtab) != 0) |
if (bfd_mach_o_scan_read_symtab_symbols (abfd, sym) != 0) |
304 |
{ |
{ |
305 |
fprintf (stderr, "bfd_mach_o_canonicalize_symtab: unable to load symbols for section %lu\n", i); |
fprintf (stderr, "bfd_mach_o_canonicalize_symtab: unable to load symbols for section %lu\n", i); |
306 |
return 0; |
return 0; |
307 |
} |
} |
308 |
|
|
309 |
BFD_ASSERT (sym->symbols != NULL); |
BFD_ASSERT (sym->nlists != NULL); |
310 |
|
|
311 |
for (j = 0; j < sym->nsyms; j++) |
for (j = 0; j < sym->nsyms; j++) |
312 |
{ |
{ |
313 |
BFD_ASSERT (csym < (alocation + nsyms)); |
BFD_ASSERT (csym < (alocation + nsyms)); |
314 |
*csym++ = &sym->symbols[j]; |
*csym++ = &(sym->nlists[j].root); |
315 |
} |
} |
316 |
} |
} |
317 |
} |
} |
318 |
|
|
319 |
*csym++ = NULL; |
*csym++ = NULL; |
320 |
|
|
321 |
|
bfd_get_symcount (abfd) = nsyms; |
322 |
|
mdata->nsymbols = nsyms; |
323 |
|
|
324 |
return nsyms; |
return nsyms; |
325 |
} |
} |
326 |
|
|
368 |
case BFD_MACH_O_CPU_TYPE_MC680x0: *type = bfd_arch_m68k; break; |
case BFD_MACH_O_CPU_TYPE_MC680x0: *type = bfd_arch_m68k; break; |
369 |
case BFD_MACH_O_CPU_TYPE_I386: *type = bfd_arch_i386; break; |
case BFD_MACH_O_CPU_TYPE_I386: *type = bfd_arch_i386; break; |
370 |
case BFD_MACH_O_CPU_TYPE_MIPS: *type = bfd_arch_mips; break; |
case BFD_MACH_O_CPU_TYPE_MIPS: *type = bfd_arch_mips; break; |
371 |
case BFD_MACH_O_CPU_TYPE_MC98000: *type = bfd_arch_m98k; break; |
/* I'm in a hurry : comment this out for now (Aurelien, 14-II-04). */ |
372 |
|
/* I can't remember why I commented this out (Aurelien, 1-XII-05). */ |
373 |
|
/* case BFD_MACH_O_CPU_TYPE_MC98000: *type = bfd_arch_m98k; break; */ |
374 |
case BFD_MACH_O_CPU_TYPE_HPPA: *type = bfd_arch_hppa; break; |
case BFD_MACH_O_CPU_TYPE_HPPA: *type = bfd_arch_hppa; break; |
375 |
case BFD_MACH_O_CPU_TYPE_ARM: *type = bfd_arch_arm; break; |
case BFD_MACH_O_CPU_TYPE_ARM: *type = bfd_arch_arm; break; |
376 |
case BFD_MACH_O_CPU_TYPE_MC88000: *type = bfd_arch_m88k; break; |
case BFD_MACH_O_CPU_TYPE_MC88000: *type = bfd_arch_m88k; break; |
390 |
} |
} |
391 |
} |
} |
392 |
|
|
393 |
|
/* |
394 |
|
We don't need these for GCL (Aurelien, 14-II-04). |
395 |
|
|
396 |
|
int |
397 |
|
bfd_mach_o_compar_symbols (void *a, void *b) |
398 |
|
{ |
399 |
|
static char *empty_symbol_name = ""; |
400 |
|
asymbol *s = (asymbol *) a; |
401 |
|
asymbol *t = (asymbol *) b; |
402 |
|
|
403 |
|
if (s->name == NULL) |
404 |
|
s->name = empty_symbol_name; |
405 |
|
if (t->name == NULL) |
406 |
|
t->name = empty_symbol_name; |
407 |
|
|
408 |
|
if (s->flags & BSF_DEBUGGING) |
409 |
|
{ |
410 |
|
if (t->flags & BSF_DEBUGGING) |
411 |
|
return strcmp (s->name, t->name); |
412 |
|
else |
413 |
|
return -1; |
414 |
|
} |
415 |
|
else if (s->flags & BSF_LOCAL) |
416 |
|
{ |
417 |
|
if (t->flags & BSF_DEBUGGING) |
418 |
|
return +1; |
419 |
|
else if (t->flags & BSF_LOCAL) |
420 |
|
return strcmp (s->name, t->name); |
421 |
|
else |
422 |
|
return -1; |
423 |
|
} |
424 |
|
else |
425 |
|
{ |
426 |
|
asection *ssect = s->section; |
427 |
|
asection *tsect = t->section; |
428 |
|
|
429 |
|
if (!(bfd_is_und_section (ssect) || bfd_is_com_section (ssect))) |
430 |
|
{ |
431 |
|
if (t->flags & BSF_LOCAL) |
432 |
|
return +1; |
433 |
|
else if (!(bfd_is_und_section (tsect) || bfd_is_com_section (tsect))) |
434 |
|
return strcmp (s->name, t->name); |
435 |
|
else |
436 |
|
return -1; |
437 |
|
} |
438 |
|
else |
439 |
|
{ |
440 |
|
if (t->flags & BSF_LOCAL) |
441 |
|
return +1; |
442 |
|
else if (!(bfd_is_und_section (tsect) || bfd_is_com_section (tsect))) |
443 |
|
return +1; |
444 |
|
else |
445 |
|
return strcmp (s->name, t->name); |
446 |
|
} |
447 |
|
} |
448 |
|
} |
449 |
|
|
450 |
|
boolean |
451 |
|
bfd_mach_o_sort_symtab (abfd, link_info) |
452 |
|
bfd *abfd; |
453 |
|
struct bfd_link_info *link_info; |
454 |
|
{ |
455 |
|
bfd_mach_o_symtab_command *st = mach_o_symtab (abfd); |
456 |
|
int i, symcount = bfd_get_symcount (abfd); |
457 |
|
bfd_mach_o_nlist *nlists; |
458 |
|
bfd_size_type strtab_size; |
459 |
|
char *strtab; |
460 |
|
asymbol *sym_ptr; |
461 |
|
int num_loc_syms, num_ext_syms, num_und_syms; |
462 |
|
bfd_mach_o_nlist *loc_sym_ptr, *ext_sym_ptr, *und_sym_ptr; |
463 |
|
|
464 |
|
if (st == NULL) |
465 |
|
{ |
466 |
|
st = (bfd_mach_o_symtab_command *) |
467 |
|
bfd_zalloc (abfd, sizeof (bfd_mach_o_symtab_command)); |
468 |
|
mach_o_symtab (abfd) = st; |
469 |
|
} |
470 |
|
|
471 |
|
if (st == NULL) |
472 |
|
return false; |
473 |
|
|
474 |
|
if (symcount == 0) |
475 |
|
return true; |
476 |
|
|
477 |
|
nlists = st->nlists; |
478 |
|
|
479 |
|
if (nlists == NULL) |
480 |
|
{ |
481 |
|
nlists = (bfd_mach_o_nlist *) |
482 |
|
bfd_zalloc (abfd, sizeof (bfd_mach_o_nlist) * symcount); |
483 |
|
st->nlists = nlists; |
484 |
|
} |
485 |
|
|
486 |
|
if (nlists == NULL) |
487 |
|
return false; |
488 |
|
|
489 |
|
strtab_size = 0; |
490 |
|
sym_ptr = mach_o_tdata (abfd)->symbols; |
491 |
|
|
492 |
|
num_loc_syms = 0; |
493 |
|
num_ext_syms = 0; |
494 |
|
num_und_syms = 0; |
495 |
|
|
496 |
|
for (i=0 ; i < symcount ; i++, sym_ptr++) |
497 |
|
{ |
498 |
|
if (sym_ptr->name != NULL) |
499 |
|
strtab_size += strlen (sym_ptr->name); |
500 |
|
|
501 |
|
if (sym_ptr->flags & BSF_GLOBAL) |
502 |
|
{ |
503 |
|
asection *asect = sym_ptr->section; |
504 |
|
|
505 |
|
if (bfd_is_und_section (asect) || bfd_is_com_section (asect)) |
506 |
|
num_und_syms++; |
507 |
|
else |
508 |
|
num_ext_syms++; |
509 |
|
} |
510 |
|
else |
511 |
|
num_loc_syms++; |
512 |
|
} |
513 |
|
|
514 |
|
strtab = (char *) bfd_zalloc (abfd, strtab_size); |
515 |
|
|
516 |
|
if (strtab == NULL) |
517 |
|
return false; |
518 |
|
|
519 |
|
sym_ptr = mach_o_tdata (abfd)->symbols; |
520 |
|
|
521 |
|
loc_sym_ptr = nlists; |
522 |
|
ext_sym_ptr = loc_sym_ptr + num_loc_syms; |
523 |
|
und_sym_ptr = ext_sym_ptr + num_ext_syms; |
524 |
|
|
525 |
|
for (i=0 ; i < symcount ; i++, sym_ptr++) |
526 |
|
{ |
527 |
|
if (sym_ptr->flags & BSF_GLOBAL) |
528 |
|
{ |
529 |
|
if (bfd_is_und_section (sym_ptr->section) || |
530 |
|
bfd_is_com_section (sym_ptr->section)) |
531 |
|
(*und_sym_ptr++).root = *sym; |
532 |
|
else |
533 |
|
(*ext_sym_ptr++).root = *sym; |
534 |
|
} |
535 |
|
else |
536 |
|
(*loc_sym_ptr++).root = *sym; |
537 |
|
} |
538 |
|
|
539 |
|
} |
540 |
|
*/ |
541 |
|
|
542 |
static bfd_boolean |
static bfd_boolean |
543 |
bfd_mach_o_write_contents (abfd) |
bfd_mach_o_write_contents (abfd) |
544 |
bfd *abfd; |
bfd *abfd; |
554 |
for (s = abfd->sections; s != (asection *) NULL; s = s->next) |
for (s = abfd->sections; s != (asection *) NULL; s = s->next) |
555 |
; |
; |
556 |
|
|
557 |
|
#if 0 |
558 |
|
for (i = 0; i < mdata->header.ncmds; i++) |
559 |
|
{ |
560 |
|
bfd_mach_o_load_command *cur = &mdata->commands[i]; |
561 |
|
if (cur->type != BFD_MACH_O_LC_SEGMENT) |
562 |
|
break; |
563 |
|
|
564 |
|
{ |
565 |
|
bfd_mach_o_segment_command *seg = &cur->command.segment; |
566 |
|
char buf[1024]; |
567 |
|
bfd_vma nbytes = seg->filesize; |
568 |
|
bfd_vma curoff = seg->fileoff; |
569 |
|
|
570 |
|
while (nbytes > 0) |
571 |
|
{ |
572 |
|
bfd_vma thisread = nbytes; |
573 |
|
|
574 |
|
if (thisread > 1024) |
575 |
|
thisread = 1024; |
576 |
|
|
577 |
|
bfd_seek (abfd, curoff, SEEK_SET); |
578 |
|
if (bfd_bread ((PTR) buf, thisread, abfd) != thisread) |
579 |
|
return false; |
580 |
|
|
581 |
|
bfd_seek (abfd, curoff, SEEK_SET); |
582 |
|
if (bfd_bwrite ((PTR) buf, thisread, abfd) != thisread) |
583 |
|
return false; |
584 |
|
|
585 |
|
nbytes -= thisread; |
586 |
|
curoff += thisread; |
587 |
|
} |
588 |
|
} |
589 |
|
} |
590 |
|
#endif |
591 |
|
|
592 |
/* Now write header information. */ |
/* Now write header information. */ |
593 |
if (bfd_mach_o_write_header (abfd, &mdata->header) != 0) |
if (bfd_mach_o_write_header (abfd, &mdata->header) != 0) |
594 |
return FALSE; |
return FALSE; |
752 |
+ strlen (section->segname) + 1 |
+ strlen (section->segname) + 1 |
753 |
+ strlen (section->sectname) + 1; |
+ strlen (section->sectname) + 1; |
754 |
|
|
755 |
sname = (char *) bfd_alloc (abfd, snamelen); |
sname = (char *) bfd_zalloc (abfd, snamelen); |
756 |
if (sname == NULL) |
if (sname == NULL) |
757 |
return NULL; |
return NULL; |
758 |
sprintf (sname, "%s.%s.%s", prefix, section->segname, section->sectname); |
sprintf (sname, "%s.%s.%s", prefix, section->segname, section->sectname); |
764 |
bfdsec->vma = section->addr; |
bfdsec->vma = section->addr; |
765 |
bfdsec->lma = section->addr; |
bfdsec->lma = section->addr; |
766 |
bfdsec->size = section->size; |
bfdsec->size = section->size; |
767 |
|
/*bfdsec->_raw_size = section->size;*/ |
768 |
bfdsec->filepos = section->offset; |
bfdsec->filepos = section->offset; |
769 |
bfdsec->alignment_power = section->align; |
bfdsec->alignment_power = section->align; |
770 |
|
bfdsec->rel_filepos = section->reloff; |
771 |
|
bfdsec->reloc_count = section->nreloc; |
772 |
|
|
773 |
|
/* I suspect that bfdsec->userdata is, at most, volatile. When we really |
774 |
|
need the value of section->flags, we will have to do something else to |
775 |
|
store it for good. */ |
776 |
|
bfdsec->userdata = (PTR) section->flags; |
777 |
|
|
778 |
if (section->flags & BFD_MACH_O_S_ZEROFILL) |
if (section->flags & BFD_MACH_O_S_ZEROFILL) |
779 |
bfdsec->flags = SEC_ALLOC; |
bfdsec->flags = SEC_ALLOC; |
780 |
else |
else |
781 |
bfdsec->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE; |
bfdsec->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE; |
782 |
|
|
783 |
|
if (section->flags & BFD_MACH_O_S_LAZY_SYMBOL_POINTERS || |
784 |
|
section->flags & BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS) { |
785 |
|
/* We want to do this because client program might rely on SEC_LOAD to |
786 |
|
decide whether to call bfd_get_relocated_section_contents or not. |
787 |
|
Altough a (non-)lazy symbol pointer section does not, stricly speaking, |
788 |
|
have associated relocation entries, it contains symbol pointers to be |
789 |
|
updated based on the global linker hash table. */ |
790 |
|
bfdsec->flags |= SEC_LOAD; |
791 |
|
} |
792 |
|
|
793 |
|
if (bfdsec->reloc_count > 0) |
794 |
|
bfdsec->flags |= SEC_RELOC; |
795 |
|
|
796 |
return bfdsec; |
return bfdsec; |
797 |
} |
} |
798 |
|
|
873 |
unsigned char nsect = 0; |
unsigned char nsect = 0; |
874 |
short ndesc = 0; |
short ndesc = 0; |
875 |
|
|
876 |
s = &sym->symbols[i]; |
/*s = &sym->symbols[i];*/ |
877 |
|
s = &(sym->nlists[i].root); |
878 |
|
|
879 |
|
/* Don't set this from the symbol information; use stored values. */ |
880 |
|
#if 0 |
881 |
|
if (s->flags & BSF_GLOBAL) |
882 |
|
ntype |= N_EXT; |
883 |
|
if (s->flags & BSF_DEBUGGING) |
884 |
|
ntype |= N_STAB; |
885 |
|
|
886 |
|
if (s->section == bfd_und_section_ptr) |
887 |
|
ntype |= N_UNDF; |
888 |
|
else if (s->section == bfd_abs_section_ptr) |
889 |
|
ntype |= N_ABS; |
890 |
|
else |
891 |
|
ntype |= N_SECT; |
892 |
|
#endif |
893 |
|
|
894 |
/* Instead just set from the stored values. */ |
/* Instead just set from the stored values. */ |
895 |
ntype = (s->udata.i >> 24) & 0xff; |
ntype = (s->udata.i >> 24) & 0xff; |
915 |
} |
} |
916 |
|
|
917 |
int |
int |
918 |
bfd_mach_o_scan_read_symtab_symbol (abfd, sym, s, i) |
bfd_mach_o_scan_read_symtab_symbol (abfd, sym, nlist, i) |
919 |
bfd *abfd; |
bfd *abfd; |
920 |
bfd_mach_o_symtab_command *sym; |
bfd_mach_o_symtab_command *sym; |
921 |
asymbol *s; |
/*asymbol *s;*/ |
922 |
|
bfd_mach_o_nlist *nlist; |
923 |
unsigned long i; |
unsigned long i; |
924 |
{ |
{ |
925 |
bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; |
bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; |
931 |
unsigned long value = -1; |
unsigned long value = -1; |
932 |
unsigned long stroff = -1; |
unsigned long stroff = -1; |
933 |
unsigned int symtype = -1; |
unsigned int symtype = -1; |
934 |
|
bfd_mach_o_ist *ist = mdata->ist; |
935 |
|
|
936 |
BFD_ASSERT (sym->strtab != NULL); |
BFD_ASSERT (sym->strtab != NULL); |
937 |
|
|
946 |
stroff = bfd_h_get_32 (abfd, buf); |
stroff = bfd_h_get_32 (abfd, buf); |
947 |
type = bfd_h_get_8 (abfd, buf + 4); |
type = bfd_h_get_8 (abfd, buf + 4); |
948 |
symtype = (type & 0x0e); |
symtype = (type & 0x0e); |
949 |
section = bfd_h_get_8 (abfd, buf + 5) - 1; |
/* We dont want to substract -1 twice. */ |
950 |
|
/* This is a bug in Apple's code (Aurelien, 1-XII-05). */ |
951 |
|
section = bfd_h_get_8 (abfd, buf + 5) /* - 1 */; |
952 |
desc = bfd_h_get_16 (abfd, buf + 6); |
desc = bfd_h_get_16 (abfd, buf + 6); |
953 |
value = bfd_h_get_32 (abfd, buf + 8); |
value = bfd_h_get_32 (abfd, buf + 8); |
954 |
|
|
955 |
|
nlist->nlist.n_type = type; |
956 |
|
nlist->nlist.n_sect = section; |
957 |
|
nlist->nlist.n_desc = desc; |
958 |
|
nlist->nlist.n_value = value; |
959 |
|
|
960 |
|
nlist->input_index = i; |
961 |
|
nlist->output_index = (unsigned long) -1; |
962 |
|
|
963 |
if (stroff >= sym->strsize) |
if (stroff >= sym->strsize) |
964 |
{ |
{ |
965 |
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: symbol name out of range (%lu >= %lu)\n", |
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: symbol name out of range (%lu >= %lu)\n", |
967 |
return -1; |
return -1; |
968 |
} |
} |
969 |
|
|
970 |
|
/* |
971 |
s->the_bfd = abfd; |
s->the_bfd = abfd; |
972 |
s->name = sym->strtab + stroff; |
s->name = sym->strtab + stroff; |
973 |
s->value = value; |
s->value = value; |
974 |
s->udata.i = (type << 24) | (section << 16) | desc; |
s->udata.i = (type << 24) | (section << 16) | desc; |
975 |
s->flags = 0x0; |
s->flags = 0x0; |
976 |
|
*/ |
977 |
|
|
978 |
|
nlist->root.the_bfd = abfd; |
979 |
|
nlist->root.name = sym->strtab + stroff; |
980 |
|
nlist->root.value = value; |
981 |
|
/* Unfortunately, this cannot be relied on. This field is volatile. */ |
982 |
|
nlist->root.udata.i = (type << 24) | (section << 16) | desc; |
983 |
|
nlist->root.flags = 0x0; |
984 |
|
|
985 |
if (type & BFD_MACH_O_N_STAB) |
if (type & BFD_MACH_O_N_STAB) |
986 |
{ |
{ |
987 |
|
/* |
988 |
s->flags |= BSF_DEBUGGING; |
s->flags |= BSF_DEBUGGING; |
989 |
s->section = bfd_und_section_ptr; |
s->section = bfd_und_section_ptr; |
990 |
|
*/ |
991 |
|
nlist->root.flags |= BSF_DEBUGGING; |
992 |
|
nlist->root.section = bfd_und_section_ptr; |
993 |
} |
} |
994 |
else |
else |
995 |
{ |
{ |
996 |
if (type & BFD_MACH_O_N_PEXT) |
if (type & BFD_MACH_O_N_PEXT) |
997 |
{ |
{ |
998 |
|
/* Why this for ? */ |
999 |
|
/* type &= ~BFD_MACH_O_N_PEXT; */ |
1000 |
|
/* I fail to remember why I commented this out (Aurelien, 1-XII-05). */ |
1001 |
|
nlist->root.flags |= BSF_GLOBAL; |
1002 |
|
/* |
1003 |
type &= ~BFD_MACH_O_N_PEXT; |
type &= ~BFD_MACH_O_N_PEXT; |
1004 |
s->flags |= BSF_GLOBAL; |
s->flags |= BSF_GLOBAL; |
1005 |
|
*/ |
1006 |
} |
} |
1007 |
|
|
1008 |
if (type & BFD_MACH_O_N_EXT) |
if (type & BFD_MACH_O_N_EXT) |
1009 |
{ |
{ |
1010 |
type &= ~BFD_MACH_O_N_EXT; |
type &= ~BFD_MACH_O_N_EXT; |
1011 |
s->flags |= BSF_GLOBAL; |
nlist->root.flags |= BSF_GLOBAL; |
1012 |
} |
} |
1013 |
|
|
1014 |
switch (symtype) |
switch (symtype) |
1015 |
{ |
{ |
1016 |
case BFD_MACH_O_N_UNDF: |
case BFD_MACH_O_N_UNDF: |
1017 |
s->section = bfd_und_section_ptr; |
/* s->section = bfd_und_section_ptr; */ |
1018 |
|
nlist->root.section = bfd_und_section_ptr; |
1019 |
|
if (type & (BFD_MACH_O_N_EXT | BFD_MACH_O_N_PEXT)) { |
1020 |
|
if (value != 0) |
1021 |
|
{ |
1022 |
|
/* This is a common symbol, actually. */ |
1023 |
|
nlist->root.section = bfd_com_section_ptr; |
1024 |
|
} |
1025 |
|
else |
1026 |
|
{ |
1027 |
|
/* There's not much we can do with an undefined symbol whose |
1028 |
|
value is zero. Here, we try to find a stub or non-lazy |
1029 |
|
symbol pointer corresponding to this symbol. ELF happens |
1030 |
|
to do the same thing with its undefined symbols, setting |
1031 |
|
them to point to PLT or GOT entries. The code below is |
1032 |
|
rather heuristic but I can't find of any thing better for |
1033 |
|
now. */ |
1034 |
|
|
1035 |
|
if (ist != NULL) |
1036 |
|
{ |
1037 |
|
asection *indirect_section = NULL; |
1038 |
|
|
1039 |
|
/* See if we can find a stub for this symbol. */ |
1040 |
|
if (ist->nstubs > 0) |
1041 |
|
nlist->root.value = |
1042 |
|
bfd_mach_o_get_lazy_symbol_stub (ist, i, |
1043 |
|
&indirect_section); |
1044 |
|
|
1045 |
|
/* If no stub was found, look for a non-lazy ptr. */ |
1046 |
|
if (indirect_section == NULL && ist->nnlptrs > 0) |
1047 |
|
nlist->root.value = |
1048 |
|
bfd_mach_o_get_non_lazy_symbol_ptr (ist, i, |
1049 |
|
&indirect_section); |
1050 |
|
|
1051 |
|
/* If something was found, adjust the symbol value. */ |
1052 |
|
if (indirect_section != NULL) |
1053 |
|
nlist->root.value += |
1054 |
|
indirect_section->vma - bfd_und_section_ptr->vma; |
1055 |
|
} |
1056 |
|
} |
1057 |
|
} |
1058 |
break; |
break; |
1059 |
case BFD_MACH_O_N_PBUD: |
case BFD_MACH_O_N_PBUD: |
1060 |
s->section = bfd_und_section_ptr; |
/* s->section = bfd_und_section_ptr; */ |
1061 |
|
nlist->root.section = bfd_und_section_ptr; |
1062 |
break; |
break; |
1063 |
case BFD_MACH_O_N_ABS: |
case BFD_MACH_O_N_ABS: |
1064 |
s->section = bfd_abs_section_ptr; |
/* s->section = bfd_abs_section_ptr; */ |
1065 |
|
nlist->root.section = bfd_abs_section_ptr; |
1066 |
break; |
break; |
1067 |
case BFD_MACH_O_N_SECT: |
case BFD_MACH_O_N_SECT: |
1068 |
if ((section > 0) && (section <= mdata->nsects)) |
if ((section > 0) && (section <= mdata->nsects)) |
1069 |
{ |
{ |
1070 |
|
/* |
1071 |
s->section = mdata->sections[section - 1]->bfdsection; |
s->section = mdata->sections[section - 1]->bfdsection; |
1072 |
s->value = s->value - mdata->sections[section - 1]->addr; |
s->value = s->value - mdata->sections[section - 1]->addr; |
1073 |
|
*/ |
1074 |
|
nlist->root.section = mdata->sections[section - 1]->bfdsection; |
1075 |
|
nlist->root.value = |
1076 |
|
nlist->root.value - mdata->sections[section - 1]->addr; |
1077 |
} |
} |
1078 |
else |
else |
1079 |
{ |
{ |
1082 |
{ |
{ |
1083 |
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " |
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " |
1084 |
"symbol \"%s\" specified invalid section %d (max %lu): setting to undefined\n", |
"symbol \"%s\" specified invalid section %d (max %lu): setting to undefined\n", |
1085 |
s->name, section, mdata->nsects); |
/*s->name*/ nlist->root.name, section, mdata->nsects); |
1086 |
} |
} |
1087 |
s->section = bfd_und_section_ptr; |
nlist->root.section = bfd_und_section_ptr; |
1088 |
} |
} |
1089 |
break; |
break; |
1090 |
case BFD_MACH_O_N_INDR: |
case BFD_MACH_O_N_INDR: |
1091 |
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " |
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " |
1092 |
"symbol \"%s\" is unsupported 'indirect' reference: setting to undefined\n", |
"symbol \"%s\" is unsupported 'indirect' reference: setting to undefined\n", |
1093 |
s->name); |
/*s->name*/ nlist->root.name); |
1094 |
s->section = bfd_und_section_ptr; |
/* s->section = bfd_und_section_ptr; */ |
1095 |
|
nlist->root.section = bfd_und_section_ptr; |
1096 |
break; |
break; |
1097 |
default: |
default: |
1098 |
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " |
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " |
1099 |
"symbol \"%s\" specified invalid type field 0x%x: setting to undefined\n", |
"symbol \"%s\" specified invalid type field 0x%x: setting to undefined\n", |
1100 |
s->name, symtype); |
/*s->name*/ nlist->root.name, symtype); |
1101 |
s->section = bfd_und_section_ptr; |
/* s->section = bfd_und_section_ptr; */ |
1102 |
|
nlist->root.section = bfd_und_section_ptr; |
1103 |
break; |
break; |
1104 |
} |
} |
1105 |
|
|
1106 |
|
if ((nlist->root.flags & BSF_GLOBAL) == 0) |
1107 |
|
nlist->root.flags |= BSF_LOCAL; |
1108 |
} |
} |
1109 |
|
|
1110 |
return 0; |
return 0; |
1115 |
bfd *abfd; |
bfd *abfd; |
1116 |
bfd_mach_o_symtab_command *sym; |
bfd_mach_o_symtab_command *sym; |
1117 |
{ |
{ |
1118 |
BFD_ASSERT (sym->strtab == NULL); |
/* BFD_ASSERT (sym->strtab == NULL); */ |
1119 |
|
if (sym->strtab != NULL) |
1120 |
|
return 0; /* If there's not work to be done, don't do any. */ |
1121 |
|
|
1122 |
if (abfd->flags & BFD_IN_MEMORY) |
if (abfd->flags & BFD_IN_MEMORY) |
1123 |
{ |
{ |
1134 |
return 0; |
return 0; |
1135 |
} |
} |
1136 |
|
|
1137 |
sym->strtab = bfd_alloc (abfd, sym->strsize); |
sym->strtab = bfd_zalloc (abfd, sym->strsize); |
1138 |
if (sym->strtab == NULL) |
if (sym->strtab == NULL && sym->strsize != 0) |
1139 |
return -1; |
return -1; |
1140 |
|
|
1141 |
bfd_seek (abfd, sym->stroff, SEEK_SET); |
bfd_seek (abfd, sym->stroff, SEEK_SET); |
1156 |
{ |
{ |
1157 |
unsigned long i; |
unsigned long i; |
1158 |
int ret; |
int ret; |
1159 |
|
bfd_mach_o_ist *ist; |
1160 |
|
bfd_mach_o_nlist *nlist; |
1161 |
|
|
1162 |
|
if (sym->nlists != NULL) |
1163 |
|
return TRUE; /* If there's not work to be done, don't do any. */ |
1164 |
|
|
1165 |
|
/* |
1166 |
BFD_ASSERT (sym->symbols == NULL); |
BFD_ASSERT (sym->symbols == NULL); |
1167 |
sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (asymbol)); |
sym->symbols = bfd_zalloc (abfd, sym->nsyms * sizeof (asymbol)); |
1168 |
|
*/ |
1169 |
|
|
1170 |
|
sym->nlists = (bfd_mach_o_nlist *) |
1171 |
|
bfd_zalloc (abfd, sym->nsyms * sizeof (bfd_mach_o_nlist)); |
1172 |
|
|
1173 |
|
/* |
1174 |
if (sym->symbols == NULL) |
if (sym->symbols == NULL) |
1175 |
{ |
{ |
1176 |
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbols: unable to allocate memory for symbols\n"); |
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbols: unable to allocate memory for symbols\n"); |
1177 |
return -1; |
return -1; |
1178 |
} |
} |
1179 |
|
*/ |
1180 |
|
if (sym->nlists == NULL && sym->nsyms != 0) |
1181 |
|
{ |
1182 |
|
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbols: " |
1183 |
|
"unable to allocate memory for symbols\n"); |
1184 |
|
return -1; |
1185 |
|
} |
1186 |
|
|
1187 |
ret = bfd_mach_o_scan_read_symtab_strtab (abfd, sym); |
ret = bfd_mach_o_scan_read_symtab_strtab (abfd, sym); |
1188 |
if (ret != 0) |
if (ret != 0) |
1189 |
return ret; |
return ret; |
1190 |
|
|
1191 |
for (i = 0; i < sym->nsyms; i++) |
ist = bfd_mach_o_slurp_ist (abfd); |
1192 |
|
|
1193 |
|
for (nlist = sym->nlists, i = 0; i < sym->nsyms; nlist++, i++) |
1194 |
{ |
{ |
1195 |
ret = bfd_mach_o_scan_read_symtab_symbol (abfd, sym, &sym->symbols[i], i); |
ret = bfd_mach_o_scan_read_symtab_symbol (abfd, sym, nlist, i); |
1196 |
if (ret != 0) |
if (ret != 0) |
1197 |
return ret; |
return ret; |
1198 |
} |
} |
1201 |
} |
} |
1202 |
|
|
1203 |
int |
int |
1204 |
bfd_mach_o_scan_read_dysymtab_symbol (abfd, dysym, sym, s, i) |
bfd_mach_o_scan_read_dysymtab_symbol (abfd, dysym, sym, nlist, i) |
1205 |
bfd *abfd; |
bfd *abfd; |
1206 |
bfd_mach_o_dysymtab_command *dysym; |
bfd_mach_o_dysymtab_command *dysym; |
1207 |
bfd_mach_o_symtab_command *sym; |
bfd_mach_o_symtab_command *sym; |
1208 |
asymbol *s; |
/* asymbol *s; */ |
1209 |
|
bfd_mach_o_nlist *nlist; |
1210 |
unsigned long i; |
unsigned long i; |
1211 |
{ |
{ |
1212 |
unsigned long isymoff = dysym->indirectsymoff + (i * 4); |
unsigned long isymoff = dysym->indirectsymoff + (i * 4); |
1224 |
} |
} |
1225 |
symindex = bfd_h_get_32 (abfd, buf); |
symindex = bfd_h_get_32 (abfd, buf); |
1226 |
|
|
1227 |
return bfd_mach_o_scan_read_symtab_symbol (abfd, sym, s, symindex); |
/* return bfd_mach_o_scan_read_symtab_symbol (abfd, sym, s, symindex); */ |
1228 |
|
return bfd_mach_o_scan_read_symtab_symbol (abfd, sym, nlist, symindex); |
1229 |
} |
} |
1230 |
|
|
1231 |
static const char * |
static const char * |
1329 |
else |
else |
1330 |
abort (); |
abort (); |
1331 |
|
|
1332 |
sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1); |
sname = (char *) bfd_zalloc (abfd, strlen (prefix) + 1); |
1333 |
if (sname == NULL) |
if (sname == NULL) |
1334 |
return -1; |
return -1; |
1335 |
strcpy (sname, prefix); |
strcpy (sname, prefix); |
1341 |
bfdsec->vma = 0; |
bfdsec->vma = 0; |
1342 |
bfdsec->lma = 0; |
bfdsec->lma = 0; |
1343 |
bfdsec->size = command->len - 8; |
bfdsec->size = command->len - 8; |
1344 |
|
/*bfdsec->_raw_size = command->len - 8;*/ |
1345 |
bfdsec->filepos = command->offset + 8; |
bfdsec->filepos = command->offset + 8; |
1346 |
bfdsec->alignment_power = 0; |
bfdsec->alignment_power = 0; |
1347 |
bfdsec->flags = SEC_HAS_CONTENTS; |
bfdsec->flags = SEC_HAS_CONTENTS; |
1388 |
else |
else |
1389 |
abort (); |
abort (); |
1390 |
|
|
1391 |
sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1); |
sname = (char *) bfd_zalloc (abfd, strlen (prefix) + 1); |
1392 |
if (sname == NULL) |
if (sname == NULL) |
1393 |
return -1; |
return -1; |
1394 |
strcpy (sname, prefix); |
strcpy (sname, prefix); |
1400 |
bfdsec->vma = 0; |
bfdsec->vma = 0; |
1401 |
bfdsec->lma = 0; |
bfdsec->lma = 0; |
1402 |
bfdsec->size = command->len - 8; |
bfdsec->size = command->len - 8; |
1403 |
|
/* bfdsec->_raw_size = command->len - 8; */ |
1404 |
bfdsec->filepos = command->offset + 8; |
bfdsec->filepos = command->offset + 8; |
1405 |
bfdsec->alignment_power = 0; |
bfdsec->alignment_power = 0; |
1406 |
bfdsec->flags = SEC_HAS_CONTENTS; |
bfdsec->flags = SEC_HAS_CONTENTS; |
1457 |
|
|
1458 |
cmd->flavours = |
cmd->flavours = |
1459 |
((bfd_mach_o_thread_flavour *) |
((bfd_mach_o_thread_flavour *) |
1460 |
bfd_alloc (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour))); |
bfd_zalloc (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour))); |
1461 |
if (cmd->flavours == NULL) |
if (cmd->flavours == NULL) |
1462 |
return -1; |
return -1; |
1463 |
cmd->nflavours = nflavours; |
cmd->nflavours = nflavours; |
1507 |
} |
} |
1508 |
|
|
1509 |
snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1; |
snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1; |
1510 |
sname = (char *) bfd_alloc (abfd, snamelen); |
sname = (char *) bfd_zalloc (abfd, snamelen); |
1511 |
if (sname == NULL) |
if (sname == NULL) |
1512 |
return -1; |
return -1; |
1513 |
|
|
1524 |
bfdsec->vma = 0; |
bfdsec->vma = 0; |
1525 |
bfdsec->lma = 0; |
bfdsec->lma = 0; |
1526 |
bfdsec->size = cmd->flavours[i].size; |
bfdsec->size = cmd->flavours[i].size; |
1527 |
|
/* bfdsec->_raw_size = cmd->flavours[i].size; */ |
1528 |
bfdsec->filepos = cmd->flavours[i].offset; |
bfdsec->filepos = cmd->flavours[i].offset; |
1529 |
bfdsec->alignment_power = 0x0; |
bfdsec->alignment_power = 0x0; |
1530 |
bfdsec->flags = SEC_HAS_CONTENTS; |
bfdsec->flags = SEC_HAS_CONTENTS /*| SEC_THREAD_LOCAL*/; |
1531 |
|
|
1532 |
cmd->section = bfdsec; |
cmd->section = bfdsec; |
1533 |
} |
} |
1617 |
seg->nsyms = bfd_h_get_32 (abfd, buf + 4); |
seg->nsyms = bfd_h_get_32 (abfd, buf + 4); |
1618 |
seg->stroff = bfd_h_get_32 (abfd, buf + 8); |
seg->stroff = bfd_h_get_32 (abfd, buf + 8); |
1619 |
seg->strsize = bfd_h_get_32 (abfd, buf + 12); |
seg->strsize = bfd_h_get_32 (abfd, buf + 12); |
1620 |
seg->symbols = NULL; |
/*seg->symbols = NULL;*/ |
1621 |
|
seg->nlists = NULL; |
1622 |
seg->strtab = NULL; |
seg->strtab = NULL; |
1623 |
|
|
1624 |
sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1); |
sname = (char *) bfd_zalloc (abfd, strlen (prefix) + 1); |
1625 |
if (sname == NULL) |
if (sname == NULL) |
1626 |
return -1; |
return -1; |
1627 |
strcpy (sname, prefix); |
strcpy (sname, prefix); |
1633 |
bfdsec->vma = 0; |
bfdsec->vma = 0; |
1634 |
bfdsec->lma = 0; |
bfdsec->lma = 0; |
1635 |
bfdsec->size = seg->nsyms * 12; |
bfdsec->size = seg->nsyms * 12; |
1636 |
|
/*bfdsec->_raw_size = seg->nsyms * 12;*/ |
1637 |
bfdsec->filepos = seg->symoff; |
bfdsec->filepos = seg->symoff; |
1638 |
bfdsec->alignment_power = 0; |
bfdsec->alignment_power = 0; |
1639 |
bfdsec->flags = SEC_HAS_CONTENTS; |
bfdsec->flags = SEC_HAS_CONTENTS; |
1640 |
|
bfdsec->reloc_count = 0; |
1641 |
|
|
1642 |
seg->stabs_segment = bfdsec; |
seg->stabs_segment = bfdsec; |
1643 |
|
|
1644 |
prefix = "LC_SYMTAB.stabstr"; |
prefix = "LC_SYMTAB.stabstr"; |
1645 |
sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1); |
sname = (char *) bfd_zalloc (abfd, strlen (prefix) + 1); |
1646 |
if (sname == NULL) |
if (sname == NULL) |
1647 |
return -1; |
return -1; |
1648 |
strcpy (sname, prefix); |
strcpy (sname, prefix); |
1654 |
bfdsec->vma = 0; |
bfdsec->vma = 0; |
1655 |
bfdsec->lma = 0; |
bfdsec->lma = 0; |
1656 |
bfdsec->size = seg->strsize; |
bfdsec->size = seg->strsize; |
1657 |
|
/*bfdsec->_raw_size = seg->strsize;*/ |
1658 |
bfdsec->filepos = seg->stroff; |
bfdsec->filepos = seg->stroff; |
1659 |
bfdsec->alignment_power = 0; |
bfdsec->alignment_power = 0; |
1660 |
bfdsec->flags = SEC_HAS_CONTENTS; |
bfdsec->flags = SEC_HAS_CONTENTS; |
1661 |
|
bfdsec->reloc_count = 0; |
1662 |
|
|
1663 |
seg->stabstr_segment = bfdsec; |
seg->stabstr_segment = bfdsec; |
1664 |
|
|
1695 |
seg->flags = bfd_h_get_32 (abfd, buf + 44); |
seg->flags = bfd_h_get_32 (abfd, buf + 44); |
1696 |
|
|
1697 |
snamelen = strlen (prefix) + 1 + strlen (seg->segname) + 1; |
snamelen = strlen (prefix) + 1 + strlen (seg->segname) + 1; |
1698 |
sname = (char *) bfd_alloc (abfd, snamelen); |
sname = (char *) bfd_zalloc (abfd, snamelen); |
1699 |
if (sname == NULL) |
if (sname == NULL) |
1700 |
return -1; |
return -1; |
1701 |
sprintf (sname, "%s.%s", prefix, seg->segname); |
sprintf (sname, "%s.%s", prefix, seg->segname); |
1704 |
if (bfdsec == NULL) |
if (bfdsec == NULL) |
1705 |
return -1; |
return -1; |
1706 |
|
|
1707 |
|
#if 0 |
1708 |
|
bfdsec = bfd_make_section_anyway (abfd, sname); |
1709 |
|
if (bfdsec == NULL) |
1710 |
|
return -1; |
1711 |
|
|
1712 |
bfdsec->vma = seg->vmaddr; |
bfdsec->vma = seg->vmaddr; |
1713 |
bfdsec->lma = seg->vmaddr; |
bfdsec->lma = seg->vmaddr; |
1714 |
bfdsec->size = seg->filesize; |
bfdsec->_raw_size = seg->filesize; |
1715 |
bfdsec->filepos = seg->fileoff; |
bfdsec->filepos = seg->fileoff; |
1716 |
bfdsec->alignment_power = 0x0; |
bfdsec->alignment_power = 0x0; |
1717 |
bfdsec->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE; |
bfdsec->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE; |
1718 |
|
#else |
1719 |
|
bfdsec = NULL; |
1720 |
|
#endif |
1721 |
|
|
1722 |
seg->segment = bfdsec; |
seg->segment = bfdsec; |
1723 |
|
|
1725 |
{ |
{ |
1726 |
seg->sections = |
seg->sections = |
1727 |
((bfd_mach_o_section *) |
((bfd_mach_o_section *) |
1728 |
bfd_alloc (abfd, seg->nsects * sizeof (bfd_mach_o_section))); |
bfd_zalloc (abfd, seg->nsects * sizeof (bfd_mach_o_section))); |
1729 |
if (seg->sections == NULL) |
if (seg->sections == NULL) |
1730 |
return -1; |
return -1; |
1731 |
|
|
1899 |
} |
} |
1900 |
} |
} |
1901 |
|
|
1902 |
mdata->sections = bfd_alloc (abfd, |
mdata->sections = bfd_zalloc (abfd, |
1903 |
mdata->nsects * sizeof (bfd_mach_o_section *)); |
mdata->nsects * sizeof (bfd_mach_o_section *)); |
1904 |
csect = 0; |
csect = 0; |
1905 |
|
|
2005 |
{ |
{ |
2006 |
mdata->commands = |
mdata->commands = |
2007 |
((bfd_mach_o_load_command *) |
((bfd_mach_o_load_command *) |
2008 |
bfd_alloc (abfd, header->ncmds * sizeof (bfd_mach_o_load_command))); |
bfd_zalloc (abfd, header->ncmds * sizeof (bfd_mach_o_load_command))); |
2009 |
if (mdata->commands == NULL) |
if (mdata->commands == NULL) |
2010 |
return -1; |
return -1; |
2011 |
|
|
2027 |
} |
} |
2028 |
|
|
2029 |
if (bfd_mach_o_scan_start_address (abfd) < 0) |
if (bfd_mach_o_scan_start_address (abfd) < 0) |
2030 |
return -1; |
{ |
2031 |
|
#if 0 |
2032 |
|
fprintf (stderr, "bfd_mach_o_scan: unable to scan start address: %s\n", |
2033 |
|
bfd_errmsg (bfd_get_error ())); |
2034 |
|
abfd->tdata.mach_o_data = NULL; |
2035 |
|
return -1; |
2036 |
|
#endif |
2037 |
|
} |
2038 |
|
|
2039 |
bfd_mach_o_flatten_sections (abfd); |
bfd_mach_o_flatten_sections (abfd); |
2040 |
return 0; |
return 0; |
2047 |
bfd_mach_o_data_struct *mdata = NULL; |
bfd_mach_o_data_struct *mdata = NULL; |
2048 |
|
|
2049 |
mdata = ((bfd_mach_o_data_struct *) |
mdata = ((bfd_mach_o_data_struct *) |
2050 |
bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct))); |
bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct))); |
2051 |
if (mdata == NULL) |
if (mdata == NULL) |
2052 |
return FALSE; |
return FALSE; |
2053 |
abfd->tdata.mach_o_data = mdata; |
abfd->tdata.mach_o_data = mdata; |
2065 |
mdata->symbols = NULL; |
mdata->symbols = NULL; |
2066 |
mdata->nsects = 0; |
mdata->nsects = 0; |
2067 |
mdata->sections = NULL; |
mdata->sections = NULL; |
2068 |
|
mdata->ist = NULL; |
2069 |
mdata->ibfd = NULL; |
mdata->ibfd = NULL; |
2070 |
|
|
2071 |
return TRUE; |
return TRUE; |
2200 |
goto error; |
goto error; |
2201 |
|
|
2202 |
adata = (mach_o_fat_data_struct *) |
adata = (mach_o_fat_data_struct *) |
2203 |
bfd_alloc (abfd, sizeof (mach_o_fat_data_struct)); |
bfd_zalloc (abfd, sizeof (mach_o_fat_data_struct)); |
2204 |
if (adata == NULL) |
if (adata == NULL) |
2205 |
goto error; |
goto error; |
2206 |
|
|
2210 |
goto error; |
goto error; |
2211 |
|
|
2212 |
adata->archentries = (mach_o_fat_archentry *) |
adata->archentries = (mach_o_fat_archentry *) |
2213 |
bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry)); |
bfd_zalloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry)); |
2214 |
if (adata->archentries == NULL) |
if (adata->archentries == NULL) |
2215 |
goto error; |
goto error; |
2216 |
|
|
2516 |
return TRUE; |
return TRUE; |
2517 |
} |
} |
2518 |
|
|
2519 |
|
static int |
2520 |
|
bfd_mach_o_compar_st_idx (const void *a, const void *b) |
2521 |
|
{ |
2522 |
|
unsigned long x = ((bfd_mach_o_ist_entry *) a)->st_idx; |
2523 |
|
unsigned long y = ((bfd_mach_o_ist_entry *) b)->st_idx; |
2524 |
|
|
2525 |
|
return (int) x - (int) y; |
2526 |
|
} |
2527 |
|
|
2528 |
|
static void |
2529 |
|
bfd_mach_o_dump_ist_aux (abfd, sym, sect_array, array_length, tot) |
2530 |
|
bfd *abfd; |
2531 |
|
bfd_mach_o_symtab_command *sym; |
2532 |
|
bfd_mach_o_section **sect_array; |
2533 |
|
unsigned long array_length; |
2534 |
|
unsigned long tot; |
2535 |
|
{ |
2536 |
|
bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; |
2537 |
|
bfd_mach_o_ist *ist = mdata->ist; |
2538 |
|
unsigned long i; |
2539 |
|
|
2540 |
|
BFD_ASSERT (sym->symoff != 0); |
2541 |
|
BFD_ASSERT (sym->strtab != NULL); |
2542 |
|
|
2543 |
|
for (i=0 ; i < array_length ; sect_array++, i++) |
2544 |
|
{ |
2545 |
|
bfd_mach_o_ist_entry *e; |
2546 |
|
unsigned long start; |
2547 |
|
unsigned long nmemb; |
2548 |
|
unsigned long j; |
2549 |
|
unsigned long atomic_size; |
2550 |
|
|
2551 |
|
if ((*sect_array)->reserved2) |
2552 |
|
atomic_size = ((*sect_array)->reserved2); |
2553 |
|
else |
2554 |
|
atomic_size = 4; |
2555 |
|
|
2556 |
|
start = (*sect_array)->reserved1; |
2557 |
|
nmemb = (*sect_array)->size / atomic_size; |
2558 |
|
|
2559 |
|
if (nmemb + start > ist->nmemb || start >= ist->nmemb) { |
2560 |
|
printf ("%s: contains garbage\n\n", (*sect_array)->sectname); |
2561 |
|
continue; |
2562 |
|
} |
2563 |
|
|
2564 |
|
printf ("%s (contains %ld out of %ld indirect symbols)\n", |
2565 |
|
(*sect_array)->sectname, nmemb, tot); |
2566 |
|
|
2567 |
|
e = ist->raw_ist + start; |
2568 |
|
|
2569 |
|
for (j=0 ; j < nmemb ; e++, j++) |
2570 |
|
{ |
2571 |
|
file_ptr symdelta, strdelta; |
2572 |
|
char buf [12]; |
2573 |
|
|
2574 |
|
symdelta = (e->st_idx) * 12; |
2575 |
|
|
2576 |
|
if (bfd_seek (abfd, sym->symoff + symdelta, SEEK_SET) != 0 || |
2577 |
|
bfd_bread ((PTR) buf, 12, abfd) != 12) |
2578 |
|
continue; |
2579 |
|
|
2580 |
|
strdelta = bfd_h_get_32 (abfd, buf); |
2581 |
|
|
2582 |
|
printf (" %5ld - %5ld %s\n", |
2583 |
|
e->ist_idx, e->st_idx, sym->strtab + strdelta); |
2584 |
|
} |
2585 |
|
|
2586 |
|
printf ("\n"); |
2587 |
|
fflush (stdout); |
2588 |
|
} |
2589 |
|
} |
2590 |
|
|
2591 |
|
static void |
2592 |
|
bfd_mach_o_dump_ist (abfd, sym) |
2593 |
|
bfd *abfd; |
2594 |
|
bfd_mach_o_symtab_command *sym; |
2595 |
|
{ |
2596 |
|
bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; |
2597 |
|
bfd_mach_o_ist *ist = mdata->ist; |
2598 |
|
|
2599 |
|
if (ist != NULL) |
2600 |
|
{ |
2601 |
|
printf ("\nDumping indirect symbol table for file %s:\n\n", |
2602 |
|
abfd->filename); |
2603 |
|
|
2604 |
|
bfd_mach_o_dump_ist_aux (abfd, sym, ist->stubs, ist->nstubs, ist->nmemb); |
2605 |
|
|
2606 |
|
bfd_mach_o_dump_ist_aux (abfd, sym, ist->nlptrs, ist->nnlptrs, ist->nmemb); |
2607 |
|
|
2608 |
|
bfd_mach_o_dump_ist_aux (abfd, sym, ist->laptrs, ist->nlaptrs, ist->nmemb); |
2609 |
|
} |
2610 |
|
} |
2611 |
|
|
2612 |
|
static bfd_boolean |
2613 |
|
bfd_mach_o_check_ist (ist) |
2614 |
|
bfd_mach_o_ist *ist; |
2615 |
|
{ |
2616 |
|
if (ist != NULL) |
2617 |
|
{ |
2618 |
|
bfd_boolean retval = TRUE; |
2619 |
|
|
2620 |
|
if (ist->nmemb > 0) |
2621 |
|
{ |
2622 |
|
bfd_mach_o_section **stub_sections; |
2623 |
|
bfd_boolean *marks; |
2624 |
|
unsigned long i; |
2625 |
|
|
2626 |
|
stub_sections = ist->stubs; |
2627 |
|
|
2628 |
|
marks = (bfd_boolean *) bfd_malloc (ist->nmemb * sizeof (bfd_boolean)); |
2629 |
|
if (marks == NULL) |
2630 |
|
return FALSE; |
2631 |
|
|
2632 |
|
memset (marks, 0, ist->nmemb * sizeof (bfd_boolean)); |
2633 |
|
|
2634 |
|
for (i=0 ; i < ist->nstubs ; stub_sections++, i++) |
2635 |
|
{ |
2636 |
|
unsigned long j, start, nmemb; |
2637 |
|
bfd_mach_o_ist_entry *e; |
2638 |
|
|
2639 |
|
if ((*stub_sections)->reserved2 == 0) |
2640 |
|
{ |
2641 |
|
fprintf (stderr, "check_ist: invalid stub size in section " |
2642 |
|
"%s\n", (*stub_sections)->sectname); |
2643 |
|
retval = FALSE; |
2644 |
|
break; |
2645 |
|
} |
2646 |
|
|
2647 |
|
start = (*stub_sections)->reserved1; |
2648 |
|
nmemb = (*stub_sections)->size / (*stub_sections)->reserved2; |
2649 |
|
|
2650 |
|
if (nmemb + start > ist->nmemb || start >= ist->nmemb) |
2651 |
|
{ |
2652 |
|
fprintf (stderr, "check_ist: malformed indirect section %s\n", |
2653 |
|
(*stub_sections)->sectname); |
2654 |
|
retval = FALSE; |
2655 |
|
break; |
2656 |
|
} |
2657 |
|
|
2658 |
|
e = ist->raw_ist + start; |
2659 |
|
|
2660 |
|
for (j=0 ; j < nmemb ; j++, e++) |
2661 |
|
{ |
2662 |
|
bfd_boolean already_there = marks[e->ist_idx]; |
2663 |
|
|
2664 |
|
if (!already_there) { |
2665 |
|
marks[e->ist_idx] = TRUE; |
2666 |
|
} else { |
2667 |
|
fprintf (stderr, "check_ist: multiple stubs for " |
2668 |
|
"indirect symbol %ld/%ld\n", |
2669 |
|
e->ist_idx, e->st_idx ); |
2670 |
|
/* retval = false; This is legal, actually. */ |
2671 |
|
} |
2672 |
|
} |
2673 |
|
} |
2674 |
|
|
2675 |
|
free (marks); |
2676 |
|
|
2677 |
|
fflush (stderr); |
2678 |
|
} |
2679 |
|
|
2680 |
|
return retval; |
2681 |
|
} |
2682 |
|
|
2683 |
|
return FALSE; |
2684 |
|
} |
2685 |
|
|
2686 |
|
static bfd_mach_o_ist * |
2687 |
|
bfd_mach_o_slurp_ist (abfd) |
2688 |
|
bfd *abfd; |
2689 |
|
{ |
2690 |
|
bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; |
2691 |
|
bfd_mach_o_dysymtab_command *dyst = NULL; |
2692 |
|
bfd_mach_o_ist *ist = NULL; |
2693 |
|
unsigned long nnlptrs = 0; |
2694 |
|
unsigned long nlaptrs = 0; |
2695 |
|
unsigned long nstubs = 0; |
2696 |
|
unsigned long i; |
2697 |
|
|
2698 |
|
if (mdata->ist != NULL) { |
2699 |
|
/* Nothing to do. */ |
2700 |
|
return (mdata->ist); |
2701 |
|
} |
2702 |
|
|
2703 |
|
for (i=0 ; i < mdata->header.ncmds ; i++) { |
2704 |
|
if (mdata->commands[i].type == BFD_MACH_O_LC_DYSYMTAB) |
2705 |
|
{ |
2706 |
|
if (dyst != NULL) { |
2707 |
|
fprintf (stderr, "bfd_mach_o_slurp_ist: " |
2708 |
|
"input file contains more than one LC_DYSYMTAB load cmd\n"); |
2709 |
|
abort (); |
2710 |
|
} |
2711 |
|
dyst = &mdata->commands[i].command.dysymtab; |
2712 |
|
} |
2713 |
|
} |
2714 |
|
|
2715 |
|
ist = (bfd_mach_o_ist *) bfd_zalloc (abfd, sizeof (bfd_mach_o_ist)); |
2716 |
|
if (ist == NULL) |
2717 |
|
return (NULL); |
2718 |
|
|
2719 |
|
/* Make sure we did find a LC_DYSYMTAB load command. */ |
2720 |
|
|
2721 |
|
if (dyst != NULL) |
2722 |
|
{ |
2723 |
|
bfd_size_type ist_size; |
2724 |
|
|
2725 |
|
ist->command = dyst; |
2726 |
|
ist->nmemb = dyst->nindirectsyms; |
2727 |
|
|
2728 |
|
if (ist->nmemb == 0) { |
2729 |
|
/* Empty indirect symbol table. */ |
2730 |
|
return (mdata->ist = ist); |
2731 |
|
} |
2732 |
|
|
2733 |
|
ist_size = ist->nmemb * sizeof (bfd_mach_o_ist_entry); |
2734 |
|
|
2735 |
|
ist->raw_ist = (bfd_mach_o_ist_entry *) bfd_alloc (abfd, ist_size); |
2736 |
|
ist->sorted_ist = (bfd_mach_o_ist_entry *) bfd_alloc (abfd, ist_size); |
2737 |
|
|
2738 |
|
if (ist->raw_ist == NULL || ist->sorted_ist == NULL) |
2739 |
|
return (NULL); |
2740 |
|
|
2741 |
|
if ((bfd_seek (abfd, dyst->indirectsymoff, SEEK_SET) != 0 || |
2742 |
|
bfd_bread (ist->raw_ist, ist_size, abfd) != ist_size)) |
2743 |
|
return (NULL); |
2744 |
|
|
2745 |
|
for (i=ist->nmemb ; --i != (unsigned long) -1 ; ) |
2746 |
|
{ |
2747 |
|
(ist->raw_ist)[i].st_idx = ((unsigned long *) ist->raw_ist)[i]; |
2748 |
|
(ist->raw_ist)[i].ist_idx = i; |
2749 |
|
|
2750 |
|
(ist->sorted_ist)[i].ist_idx = i; |
2751 |
|
(ist->sorted_ist)[i].st_idx = (ist->raw_ist)[i].st_idx; |
2752 |
|
} |
2753 |
|
|
2754 |
|
/* Loop through all sections, looking for ist related sections. */ |
2755 |
|
|
2756 |
|
for (i=0 ; i < mdata->nsects ; i++) |
2757 |
|
{ |
2758 |
|
bfd_mach_o_section *sectp = mdata->sections[i]; |
2759 |
|
bfd_size_type array_size; |
2760 |
|
unsigned long start; |
2761 |
|
unsigned long nmemb; |
2762 |
|
|
2763 |
|
if ((sectp->flags & SECTION_TYPE) |
2764 |
|
== BFD_MACH_O_S_SYMBOL_STUBS) |
2765 |
|
{ |
2766 |
|
array_size = (++nstubs) * sizeof (bfd_mach_o_section *); |
2767 |
|
|
2768 |
|
ist->stubs = |
2769 |
|
(bfd_mach_o_section **) bfd_realloc (ist->stubs, array_size); |
2770 |
|
|
2771 |
|
if (ist->stubs == NULL) |
2772 |
|
return NULL; |
2773 |
|
|
2774 |
|
ist->stubs[ist->nstubs++] = sectp; |
2775 |
|
} |
2776 |
|
else if ((sectp->flags & SECTION_TYPE) |
2777 |
|
== BFD_MACH_O_S_NL_SYMBOL_POINTERS) |
2778 |
|
{ |
2779 |
|
array_size = (++nnlptrs) * sizeof (bfd_mach_o_section *); |
2780 |
|
|
2781 |
|
ist->nlptrs = |
2782 |
|
(bfd_mach_o_section **) bfd_realloc (ist->nlptrs, array_size); |
2783 |
|
|
2784 |
|
if (ist->nlptrs == NULL) |
2785 |
|
return (NULL); |
2786 |
|
|
2787 |
|
ist->nlptrs[ist->nnlptrs++] = sectp; |
2788 |
|
} |
2789 |
|
else if ((sectp->flags & SECTION_TYPE) |
2790 |
|
== BFD_MACH_O_S_LA_SYMBOL_POINTERS) |
2791 |
|
{ |
2792 |
|
array_size = (++nlaptrs) * sizeof (bfd_mach_o_section *); |
2793 |
|
|
2794 |
|
ist->laptrs = |
2795 |
|
(bfd_mach_o_section **) bfd_realloc (ist->laptrs, array_size); |
2796 |
|
|
2797 |
|
if (ist->laptrs == NULL) |
2798 |
|
return (NULL); |
2799 |
|
|
2800 |
|
ist->laptrs[ist->nlaptrs++] = sectp; |
2801 |
|
} |
2802 |
|
else |
2803 |
|
{ |
2804 |
|
continue; |
2805 |
|
} |
2806 |
|
|
2807 |
|
start = sectp->reserved1; |
2808 |
|
nmemb = sectp->size / (sectp->reserved2 != 0 ? sectp->reserved2 : 4); |
2809 |
|
|
2810 |
|
qsort (ist->sorted_ist + start, nmemb, |
2811 |
|
sizeof (bfd_mach_o_ist_entry), bfd_mach_o_compar_st_idx); |
2812 |
|
} |
2813 |
|
|
2814 |
|
BFD_ASSERT (bfd_mach_o_check_ist (ist)); |
2815 |
|
} |
2816 |
|
|
2817 |
|
return (mdata->ist = ist); |
2818 |
|
} |
2819 |
|
|
2820 |
|
static bfd_vma |
2821 |
|
bfd_mach_o_get_lazy_symbol_stub (ist, sym_idx, asect_ptr) |
2822 |
|
bfd_mach_o_ist *ist; |
2823 |
|
unsigned long sym_idx; |
2824 |
|
asection **asect_ptr; |
2825 |
|
{ |
2826 |
|
bfd_vma addr = 0; |
2827 |
|
|
2828 |
|
if (ist != NULL) |
2829 |
|
{ |
2830 |
|
bfd_mach_o_section **stub_sections; |
2831 |
|
unsigned long i; |
2832 |
|
|
2833 |
|
stub_sections = ist->stubs; |
2834 |
|
|
2835 |
|
for (i=0 ; i < ist->nstubs ; stub_sections++, i++) |
2836 |
|
{ |
2837 |
|
unsigned long start, stub_size, nmemb; |
2838 |
|
bfd_mach_o_ist_entry *match, key; |
2839 |
|
|
2840 |
|
start = (*stub_sections)->reserved1; |
2841 |
|
stub_size = (*stub_sections)->reserved2; |
2842 |
|
nmemb = (*stub_sections)->size / stub_size; |
2843 |
|
|
2844 |
|
key.st_idx = sym_idx; |
2845 |
|
|
2846 |
|
match = (bfd_mach_o_ist_entry *) |
2847 |
|
bsearch (&key, ist->sorted_ist + start, nmemb, |
2848 |
|
sizeof (bfd_mach_o_ist_entry), bfd_mach_o_compar_st_idx); |
2849 |
|
|
2850 |
|
if (match != NULL) { |
2851 |
|
if ((start <= match->ist_idx) && (match->ist_idx < (start + nmemb))) |
2852 |
|
{ |
2853 |
|
if (asect_ptr != NULL) |
2854 |
|
*asect_ptr = (*stub_sections)->bfdsection; |
2855 |
|
|
2856 |
|
/* Obey the general contract about symbol addresses, |
2857 |
|
i.e. return a section relative address. */ |
2858 |
|
return (addr = ((match->ist_idx - start) * stub_size)); |
2859 |
|
} |
2860 |
|
} |
2861 |
|
} |
2862 |
|
} |
2863 |
|
|
2864 |
|
return (addr); |
2865 |
|
} |
2866 |
|
|
2867 |
|
static bfd_vma |
2868 |
|
bfd_mach_o_get_non_lazy_symbol_ptr (ist, sym_idx, asect_ptr) |
2869 |
|
bfd_mach_o_ist *ist; |
2870 |
|
unsigned long sym_idx; |
2871 |
|
asection **asect_ptr; |
2872 |
|
{ |
2873 |
|
bfd_vma addr = 0; |
2874 |
|
|
2875 |
|
if (ist != NULL) |
2876 |
|
{ |
2877 |
|
bfd_mach_o_section **nlptr_sections; |
2878 |
|
unsigned long i; |
2879 |
|
|
2880 |
|
nlptr_sections = ist->nlptrs; |
2881 |
|
|
2882 |
|
for (i=0 ; i < ist->nnlptrs ; nlptr_sections++, i++) |
2883 |
|
{ |
2884 |
|
unsigned long start, nmemb; |
2885 |
|
bfd_mach_o_ist_entry *match, key; |
2886 |
|
|
2887 |
|
start = (*nlptr_sections)->reserved1; |
2888 |
|
nmemb = (*nlptr_sections)->size / 4; |
2889 |
|
|
2890 |
|
key.st_idx = sym_idx; |
2891 |
|
|
2892 |
|
match = (bfd_mach_o_ist_entry *) |
2893 |
|
bsearch (&key, ist->sorted_ist + start, nmemb, |
2894 |
|
sizeof (bfd_mach_o_ist_entry), bfd_mach_o_compar_st_idx); |
2895 |
|
|
2896 |
|
if (match != NULL) { |
2897 |
|
if ((start <= match->ist_idx) && (match->ist_idx < (start + nmemb))) |
2898 |
|
{ |
2899 |
|
if (asect_ptr != NULL) |
2900 |
|
*asect_ptr = (*nlptr_sections)->bfdsection; |
2901 |
|
|
2902 |
|
/* Obey the general contract about symbol addresses, |
2903 |
|
i.e. return a section relative address. */ |
2904 |
|
return (addr = ((match->ist_idx - start) * 4)); |
2905 |
|
} |
2906 |
|
} |
2907 |
|
} |
2908 |
|
} |
2909 |
|
|
2910 |
|
return (addr); |
2911 |
|
} |
2912 |
|
|
2913 |
|
static bfd_boolean |
2914 |
|
bfd_mach_o_bfd_link_add_symbols (abfd,info) |
2915 |
|
bfd *abfd; |
2916 |
|
struct bfd_link_info *info; |
2917 |
|
{ |
2918 |
|
bfd_mach_o_data_struct *mdata; |
2919 |
|
unsigned long i; |
2920 |
|
|
2921 |
|
BFD_ASSERT (bfd_mach_o_valid (abfd)); |
2922 |
|
mdata = abfd->tdata.mach_o_data; |
2923 |
|
|
2924 |
|
for (i = 0; i < mdata->header.ncmds; i++) |
2925 |
|
{ |
2926 |
|
if (mdata->commands[i].type == BFD_MACH_O_LC_SYMTAB) |
2927 |
|
{ |
2928 |
|
bfd_mach_o_symtab_command *sym = &mdata->commands[i].command.symtab; |
2929 |
|
unsigned long j; |
2930 |
|
|
2931 |
|
if (bfd_mach_o_scan_read_symtab_strtab (abfd, sym) < 0) { |
2932 |
|
fprintf (stderr, "bfd_mach_o_link_add_symbols: " |
2933 |
|
"error reading strtab\n"); |
2934 |
|
return FALSE; |
2935 |
|
} |
2936 |
|
|
2937 |
|
BFD_ASSERT (sym->strtab != NULL); |
2938 |
|
|
2939 |
|
for (j=0 ; j < sym->nsyms ; j++) |
2940 |
|
{ |
2941 |
|
bfd_vma symoff = sym->symoff + (j * 12); |
2942 |
|
|
2943 |
|
unsigned char buf[12]; |
2944 |
|
unsigned char type; |
2945 |
|
unsigned char sect; |
2946 |
|
short desc; |
2947 |
|
bfd_vma value; |
2948 |
|
unsigned long stroff; |
2949 |
|
|
2950 |
|
bfd_boolean copy = TRUE; /* (info->keep_memory) ? false : TRUE; */ |
2951 |
|
const char *name; |
2952 |
|
flagword flags; |
2953 |
|
asection *section; |
2954 |
|
|
2955 |
|
bfd_seek (abfd, symoff, SEEK_SET); |
2956 |
|
if (bfd_bread ((PTR) buf, 12, abfd) != 12) { |
2957 |
|
return FALSE; |
2958 |
|
} |
2959 |
|
|
2960 |
|
type = bfd_h_get_8 (abfd, buf + 4); |
2961 |
|
|
2962 |
|
if (type & BFD_MACH_O_N_STAB) |
2963 |
|
continue; |
2964 |
|
|
2965 |
|
stroff = bfd_h_get_32 (abfd, buf); |
2966 |
|
sect = bfd_h_get_8 (abfd, buf + 5); |
2967 |
|
desc = bfd_h_get_16 (abfd, buf + 6); |
2968 |
|
value = bfd_h_get_32 (abfd, buf + 8); |
2969 |
|
|
2970 |
|
if (stroff >= sym->strsize) { |
2971 |
|
bfd_set_error (bfd_error_file_truncated); |
2972 |
|
return FALSE; |
2973 |
|
} |
2974 |
|
|
2975 |
|
name = sym->strtab + stroff; |
2976 |
|
flags = BSF_GLOBAL; |
2977 |
|
|
2978 |
|
if (type & (BFD_MACH_O_N_EXT | BFD_MACH_O_N_PEXT)) |
2979 |
|
{ |
2980 |
|
struct bfd_link_hash_entry *hashp = NULL; |
2981 |
|
|
2982 |
|
/* In the case of an N_INDR symbol, `string' is |
2983 |
|
the name of the symbol that is referred to. */ |
2984 |
|
const char *string = NULL; |
2985 |
|
|
2986 |
|
switch (type & BFD_MACH_O_N_TYPE) { |
2987 |
|
case BFD_MACH_O_N_UNDF: |
2988 |
|
if (value == 0) { |
2989 |
|
section = bfd_und_section_ptr; |
2990 |
|
/* flags = 0; */ |
2991 |
|
} |
2992 |
|
else |
2993 |
|
section = bfd_com_section_ptr; |
2994 |
|
break; |
2995 |
|
case BFD_MACH_O_N_PBUD: |
2996 |
|
section = bfd_und_section_ptr; |
2997 |
|
break; |
2998 |
|
case BFD_MACH_O_N_ABS: |
2999 |
|
section = bfd_abs_section_ptr; |
3000 |
|
break; |
3001 |
|
case BFD_MACH_O_N_INDR: |
3002 |
|
flags |= BSF_INDIRECT; |
3003 |
|
section = bfd_ind_section_ptr; |
3004 |
|
fprintf (stderr, |
3005 |
|
"BFD_MACH_O_N_INDR symbols not yet supported\n"); |
3006 |
|
abort (); |
3007 |
|
break; |
3008 |
|
case BFD_MACH_O_N_SECT: |
3009 |
|
/* section numbering starts at 1, zero means no section */ |
3010 |
|
if (sect > 0 && sect <= mdata->nsects) { |
3011 |
|
section = mdata->sections[sect-1]->bfdsection; |
3012 |
|
value -= mdata->sections[sect-1]->addr; |
3013 |
|
} else { |
3014 |
|
if (sect != 0) { |
3015 |
|
fprintf (stderr, |
3016 |
|
"bfd_mach_o_link_add_symbols: symbol \"%s\" " |
3017 |
|
"specified invalid section %d (max %lu), " |
3018 |
|
"setting to undefined\n", |
3019 |
|
name, sect, mdata->nsects); |
3020 |
|
} |
3021 |
|
section = bfd_und_section_ptr; |
3022 |
|
fprintf (stderr, "sect: %d %s\n", sect, name); |
3023 |
|
} |
3024 |
|
break; |
3025 |
|
default: |
3026 |
|
fprintf (stderr, "unknown N_TYPE value"); |
3027 |
|
abort(); |
3028 |
|
break; |
3029 |
|
} |
3030 |
|
|
3031 |
|
if ((flags & BSF_GLOBAL) == 0) |
3032 |
|
flags |= BSF_LOCAL; |
3033 |
|
|
3034 |
|
/* FIX-ME: Set the alignment for common symbols here. */ |
3035 |
|
|
3036 |
|
if (!_bfd_generic_link_add_one_symbol (info, abfd, name, flags, |
3037 |
|
section, value, string, |
3038 |
|
copy, FALSE, &hashp)) { |
3039 |
|
return FALSE; |
3040 |
|
} |
3041 |
|
} |
3042 |
|
} |
3043 |
|
} |
3044 |
|
} |
3045 |
|
|
3046 |
|
return TRUE; |
3047 |
|
} |
3048 |
|
|
3049 |
|
|
3050 |
#include "mach-o-reloc.c" |
#include "mach-o-reloc.c" |
3051 |
|
|
3052 |
#define TARGET_NAME mach_o_be_vec |
#define TARGET_NAME mach_o_be_vec |