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bfd/

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2004-07-26  H.J. Lu  <hongjiu.lu@intel.com>

	* elf-bfd.h (bfd_elf_section_data): Add a pointer for the
	linked-to section.
	(elf_linked_to_section): New.

	* elf.c (assign_section_numbers): Set up sh_link for
	SHF_LINK_ORDER.

	* elfxx-ia64.c (elfNN_ia64_final_write_processing): Set sh_info
	to sh_link for SHT_IA_64_UNWIND sections.

gas/

2004-07-26  H.J. Lu  <hongjiu.lu@intel.com>

	* config/tc-ia64.c (start_unwind_section): Set the linked-to
	section.
	(ia64_elf_section_change_hook): Set the linked-to section for
	SHT_IA_64_UNWIND.
This commit is contained in:
H.J. Lu 2004-07-26 21:01:15 +00:00
parent 7ac4ac0619
commit 38ce5b1191
6 changed files with 69 additions and 61 deletions
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12
bfd/ChangeLog
View File

@ -1,3 +1,15 @@
2004-07-26 H.J. Lu <hongjiu.lu@intel.com>
* elf-bfd.h (bfd_elf_section_data): Add a pointer for the
linked-to section.
(elf_linked_to_section): New.
* elf.c (assign_section_numbers): Set up sh_link for
SHF_LINK_ORDER.
* elfxx-ia64.c (elfNN_ia64_final_write_processing): Set sh_info
to sh_link for SHT_IA_64_UNWIND sections.
2004-07-22 H.J. Lu <hongjiu.lu@intel.com>
* elflink.c (elf_fixup_link_order): Add _() to error message.

4
bfd/elf-bfd.h
View File

@ -1038,6 +1038,9 @@ struct bfd_elf_section_data
no dynamic symbol for this section. */
int dynindx;
/* A pointer to the linked-to section for SHF_LINK_ORDER. */
asection *linked_to;
/* Used by the backend linker to store the symbol hash table entries
associated with relocs against global symbols. */
struct elf_link_hash_entry **rel_hashes;
@ -1071,6 +1074,7 @@ struct bfd_elf_section_data
};
#define elf_section_data(sec) ((struct bfd_elf_section_data*)sec->used_by_bfd)
#define elf_linked_to_section(sec) (elf_section_data(sec)->linked_to)
#define elf_section_type(sec) (elf_section_data(sec)->this_hdr.sh_type)
#define elf_section_flags(sec) (elf_section_data(sec)->this_hdr.sh_flags)
#define elf_group_name(sec) (elf_section_data(sec)->group.name)

35
bfd/elf.c
View File

@ -2790,6 +2790,7 @@ assign_section_numbers (bfd *abfd)
i_shdrp[t->strtab_section] = &t->strtab_hdr;
t->symtab_hdr.sh_link = t->strtab_section;
}
for (sec = abfd->sections; sec; sec = sec->next)
{
struct bfd_elf_section_data *d = elf_section_data (sec);
@ -2818,6 +2819,40 @@ assign_section_numbers (bfd *abfd)
d->rel_hdr2->sh_info = d->this_idx;
}
/* We need to set up sh_link for SHF_LINK_ORDER. */
if ((d->this_hdr.sh_flags & SHF_LINK_ORDER) != 0)
{
s = elf_linked_to_section (sec);
if (s)
d->this_hdr.sh_link = elf_section_data (s)->this_idx;
else
{
struct bfd_link_order *p;
/* Find out what the corresponding section in output
is. */
for (p = sec->link_order_head; p != NULL; p = p->next)
{
s = p->u.indirect.section;
if (p->type == bfd_indirect_link_order
&& (bfd_get_flavour (s->owner)
== bfd_target_elf_flavour))
{
Elf_Internal_Shdr ** const elf_shdrp
= elf_elfsections (s->owner);
int elfsec
= _bfd_elf_section_from_bfd_section (s->owner, s);
elfsec = elf_shdrp[elfsec]->sh_link;
BFD_ASSERT (elfsec != 0);
s = elf_shdrp[elfsec]->bfd_section->output_section;
BFD_ASSERT (s != NULL);
d->this_hdr.sh_link = elf_section_data (s)->this_idx;
break;
}
}
}
}
switch (d->this_hdr.sh_type)
{
case SHT_REL:

67
bfd/elfxx-ia64.c
View File

@ -1365,9 +1365,7 @@ elfNN_ia64_final_write_processing (abfd, linker)
bfd_boolean linker ATTRIBUTE_UNUSED;
{
Elf_Internal_Shdr *hdr;
const char *sname;
asection *text_sect, *s;
size_t len;
asection *s;
for (s = abfd->sections; s; s = s->next)
{
@ -1375,64 +1373,11 @@ elfNN_ia64_final_write_processing (abfd, linker)
switch (hdr->sh_type)
{
case SHT_IA_64_UNWIND:
/* See comments in gas/config/tc-ia64.c:dot_endp on why we
have to do this. */
sname = bfd_get_section_name (abfd, s);
len = sizeof (ELF_STRING_ia64_unwind) - 1;
if (sname && strncmp (sname, ELF_STRING_ia64_unwind, len) == 0)
{
sname += len;
if (sname[0] == '\0')
/* .IA_64.unwind -> .text */
text_sect = bfd_get_section_by_name (abfd, ".text");
else
/* .IA_64.unwindFOO -> FOO */
text_sect = bfd_get_section_by_name (abfd, sname);
}
else if (sname
&& (len = sizeof (ELF_STRING_ia64_unwind_once) - 1,
strncmp (sname, ELF_STRING_ia64_unwind_once, len)) == 0)
{
/* .gnu.linkonce.ia64unw.FOO -> .gnu.linkonce.t.FOO */
size_t len2 = sizeof (".gnu.linkonce.t.") - 1;
char *once_name = bfd_malloc (len2 + strlen (sname + len) + 1);
if (once_name != NULL)
{
memcpy (once_name, ".gnu.linkonce.t.", len2);
strcpy (once_name + len2, sname + len);
text_sect = bfd_get_section_by_name (abfd, once_name);
free (once_name);
}
else
/* Should only happen if we run out of memory, in
which case we're probably toast anyway. Try to
cope by finding the section the slow way. */
for (text_sect = abfd->sections;
text_sect != NULL;
text_sect = text_sect->next)
{
if (strncmp (bfd_section_name (abfd, text_sect),
".gnu.linkonce.t.", len2) == 0
&& strcmp (bfd_section_name (abfd, text_sect) + len2,
sname + len) == 0)
break;
}
}
else
/* last resort: fall back on .text */
text_sect = bfd_get_section_by_name (abfd, ".text");
if (text_sect)
{
/* The IA-64 processor-specific ABI requires setting
sh_link to the unwind section, whereas HP-UX requires
sh_info to do so. For maximum compatibility, we'll
set both for now... */
hdr->sh_link = elf_section_data (text_sect)->this_idx;
hdr->sh_info = elf_section_data (text_sect)->this_idx;
}
/* The IA-64 processor-specific ABI requires setting sh_link
to the unwind section, whereas HP-UX requires sh_info to
do so. For maximum compatibility, we'll set both for
now... */
hdr->sh_info = hdr->sh_link;
break;
}
}

7
gas/ChangeLog
View File

@ -1,3 +1,10 @@
2004-07-26 H.J. Lu <hongjiu.lu@intel.com>
* config/tc-ia64.c (start_unwind_section): Set the linked-to
section.
(ia64_elf_section_change_hook): Set the linked-to section for
SHT_IA_64_UNWIND.
2004-07-26 Dmitry Diky <diwil@spec.ru>
* config/tc-msp430.c: Add new subtargets: msp430x1610,

5
gas/config/tc-ia64.c
View File

@ -3403,6 +3403,8 @@ start_unwind_section (const segT text_seg, int sec_index)
bfd_set_section_flags (stdoutput, now_seg,
SEC_LOAD | SEC_ALLOC | SEC_READONLY);
}
elf_linked_to_section (now_seg) = text_seg;
}
static void
@ -11022,6 +11024,9 @@ ia64_float_to_chars_littleendian (char *lit, LITTLENUM_TYPE *words,
void
ia64_elf_section_change_hook (void)
{
if (elf_section_type (now_seg) == SHT_IA_64_UNWIND
&& elf_linked_to_section (now_seg) == NULL)
elf_linked_to_section (now_seg) = text_section;
dot_byteorder (-1);
}