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2009-10-09 Tristan Gingold <gingold@adacore.com>

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* mach-o.c (bfd_mach_o_section_get_entry_size): Moved.
	(bfd_mach_o_section_get_nbr_indirect): Ditto.
	(bfd_mach_o_get_synthetic_symtab): New function.
	(bfd_mach_o_print_private_header): Print the number of commands
	in decimal.
	* mach-o.h (bfd_mach_o_get_synthetic_symtab): Add prototype.
	* mach-o-target.c: Do not defined bfd_mach_o_get_synthetic_symtab.
This commit is contained in:
Tristan Gingold 2009-10-09 08:18:17 +00:00
parent fd68d03d92
commit b2b620601b
4 changed files with 149 additions and 38 deletions
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10
bfd/ChangeLog
View File

@ -1,3 +1,13 @@
2009-10-09 Tristan Gingold <gingold@adacore.com>
* mach-o.c (bfd_mach_o_section_get_entry_size): Moved.
(bfd_mach_o_section_get_nbr_indirect): Ditto.
(bfd_mach_o_get_synthetic_symtab): New function.
(bfd_mach_o_print_private_header): Print the number of commands
in decimal.
* mach-o.h (bfd_mach_o_get_synthetic_symtab): Add prototype.
* mach-o-target.c: Do not defined bfd_mach_o_get_synthetic_symtab.
2009-10-08 Tristan Gingold <gingold@adacore.com>
* config.bfd: Add bfd_mach_o_i386_vec in x86_64-darwin targ_selvecs.

1
bfd/mach-o-target.c
View File

@ -70,7 +70,6 @@
#define bfd_mach_o_get_dynamic_symtab_upper_bound bfd_mach_o_get_symtab_upper_bound
#define bfd_mach_o_canonicalize_dynamic_symtab bfd_mach_o_canonicalize_symtab
#define bfd_mach_o_get_synthetic_symtab _bfd_nodynamic_get_synthetic_symtab
#define TARGET_NAME_BACKEND XCONCAT2(TARGET_NAME,_backend)

174
bfd/mach-o.c
View File

@ -254,6 +254,43 @@ bfd_mach_o_convert_section_name_to_mach_o (bfd *abfd ATTRIBUTE_UNUSED,
section->sectname[len] = 0;
}
/* Return the size of an entry for section SEC.
Must be called only for symbol pointer section and symbol stubs
sections. */
static unsigned int
bfd_mach_o_section_get_entry_size (bfd *abfd, bfd_mach_o_section *sec)
{
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
{
case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
return bfd_mach_o_wide_p (abfd) ? 8 : 4;
case BFD_MACH_O_S_SYMBOL_STUBS:
return sec->reserved2;
default:
BFD_FAIL ();
return 0;
}
}
/* Return the number of indirect symbols for a section.
Must be called only for symbol pointer section and symbol stubs
sections. */
static unsigned int
bfd_mach_o_section_get_nbr_indirect (bfd *abfd, bfd_mach_o_section *sec)
{
unsigned int elsz;
elsz = bfd_mach_o_section_get_entry_size (abfd, sec);
if (elsz == 0)
return 0;
else
return sec->size / elsz;
}
/* Copy any private info we understand from the input symbol
to the output symbol. */
@ -344,6 +381,105 @@ bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation)
return nsyms;
}
long
bfd_mach_o_get_synthetic_symtab (bfd *abfd,
long symcount ATTRIBUTE_UNUSED,
asymbol **syms ATTRIBUTE_UNUSED,
long dynsymcount ATTRIBUTE_UNUSED,
asymbol **dynsyms ATTRIBUTE_UNUSED,
asymbol **ret)
{
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab;
bfd_mach_o_symtab_command *symtab = mdata->symtab;
asymbol *s;
unsigned long count, i, j, n;
size_t size;
char *names;
char *nul_name;
*ret = NULL;
if (dysymtab == NULL || symtab == NULL || symtab->symbols == NULL)
return 0;
if (dysymtab->nindirectsyms == 0)
return 0;
count = dysymtab->nindirectsyms;
size = count * sizeof (asymbol) + 1;
for (j = 0; j < count; j++)
{
unsigned int isym = dysymtab->indirect_syms[j];
if (isym < symtab->nsyms && symtab->symbols[isym].symbol.name)
size += strlen (symtab->symbols[isym].symbol.name) + sizeof ("$stub");
}
s = *ret = (asymbol *) bfd_malloc (size);
if (s == NULL)
return -1;
names = (char *) (s + count);
nul_name = names;
*names++ = 0;
n = 0;
for (i = 0; i < mdata->nsects; i++)
{
bfd_mach_o_section *sec = mdata->sections[i];
unsigned int j, first, last;
bfd_mach_o_symtab_command *symtab = mdata->symtab;
bfd_vma addr;
bfd_vma entry_size;
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
{
case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
case BFD_MACH_O_S_SYMBOL_STUBS:
first = sec->reserved1;
last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec);
addr = sec->addr;
entry_size = bfd_mach_o_section_get_entry_size (abfd, sec);
for (j = first; j < last; j++)
{
unsigned int isym = dysymtab->indirect_syms[j];
s->flags = BSF_GLOBAL | BSF_SYNTHETIC;
s->section = sec->bfdsection;
s->value = addr - sec->addr;
s->udata.p = NULL;
if (isym < symtab->nsyms
&& symtab->symbols[isym].symbol.name)
{
const char *sym = symtab->symbols[isym].symbol.name;
size_t len;
s->name = names;
len = strlen (sym);
memcpy (names, sym, len);
names += len;
memcpy (names, "$stub", sizeof ("$stub"));
names += sizeof ("$stub");
}
else
s->name = nul_name;
addr += entry_size;
s++;
n++;
}
break;
default:
break;
}
}
return n;
}
void
bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
asymbol *symbol,
@ -3231,7 +3367,7 @@ bfd_mach_o_print_private_header (bfd *abfd, FILE *file)
fprintf (file, _(" filetype : %08lx (%s)\n"),
h->filetype,
bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype));
fprintf (file, _(" ncmds : %08lx\n"), h->ncmds);
fprintf (file, _(" ncmds : %08lx (%lu)\n"), h->ncmds, h->ncmds);
fprintf (file, _(" sizeofcmds: %08lx\n"), h->sizeofcmds);
fprintf (file, _(" flags : %08lx ("), h->flags);
bfd_mach_o_print_flags (bfd_mach_o_header_flags_name, h->flags, file);
@ -3281,42 +3417,6 @@ bfd_mach_o_print_section_map (bfd *abfd, FILE *file)
}
}
/* Return the size of an entry for section SEC.
Must be called only for symbol pointer section and symbol stubs
sections. */
static unsigned int
bfd_mach_o_section_get_entry_size (bfd *abfd, bfd_mach_o_section *sec)
{
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
{
case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
return bfd_mach_o_wide_p (abfd) ? 8 : 4;
case BFD_MACH_O_S_SYMBOL_STUBS:
return sec->reserved2;
default:
BFD_FAIL ();
return 0;
}
}
/* Return the number of indirect symbols for a section.
Must be called only for symbol pointer section and symbol stubs
sections. */
static unsigned int
bfd_mach_o_section_get_nbr_indirect (bfd *abfd, bfd_mach_o_section *sec)
{
unsigned int elsz;
elsz = bfd_mach_o_section_get_entry_size (abfd, sec);
if (elsz == 0)
return 0;
else
return sec->size / elsz;
}
static void
bfd_mach_o_print_section (bfd *abfd ATTRIBUTE_UNUSED,
bfd_mach_o_section *sec, FILE *file)

2
bfd/mach-o.h
View File

@ -876,6 +876,8 @@ bfd_boolean bfd_mach_o_bfd_copy_private_section_data (bfd *, asection *,
bfd_boolean bfd_mach_o_bfd_copy_private_bfd_data (bfd *, bfd *);
long bfd_mach_o_get_symtab_upper_bound (bfd *);
long bfd_mach_o_canonicalize_symtab (bfd *, asymbol **);
long bfd_mach_o_get_synthetic_symtab (bfd *, long, asymbol **, long,
asymbol **, asymbol **ret);
long bfd_mach_o_get_reloc_upper_bound (bfd *, asection *);
long bfd_mach_o_canonicalize_reloc (bfd *, asection *, arelent **, asymbol **);
long bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *);