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* ecoff.c (_bfd_ecoff_new_section_hook): Handle .rconst section.

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(ecoff_sec_to_styp_flags): Likewise.
	(_bfd_ecoff_styp_to_sec_flags): Handle STYP_RCONST.
	(ecoff_set_symbol_info): Handle scRConst.
	(ecoff_slurp_reloc_table): Handle RELOC_SECTION_RCONST.
	(ecoff_compute_section_file_positions): Handle .rconst section.
	(_bfd_ecoff_write_object_contents): Likewise.
	(ecoff_link_check_archive_element): Handle scRConst.
	(ecoff_link_add_externals): Likewise.
	(ecoff_link_write_external): Handle .rconst section.
	(ecoff_reloc_link_order): Likewise.
	* ecofflink.c (bfd_ecoff_debug_accumulate): Handle scRConst.
	* coff-alpha.c (alpha_convert_external_reloc): Handle .rconst
	section.
	(alpha_relocate_section): Handle RELOC_SECTION_RCONST.
This commit is contained in:
Ian Lance Taylor 1995-11-22 19:01:43 +00:00
parent 49c43d0201
commit a877f5917f
4 changed files with 988 additions and 38 deletions
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16
bfd/ChangeLog
View file

@ -1,5 +1,21 @@
Wed Nov 22 12:02:09 1995 Ian Lance Taylor <ian@cygnus.com>
* ecoff.c (_bfd_ecoff_new_section_hook): Handle .rconst section.
(ecoff_sec_to_styp_flags): Likewise.
(_bfd_ecoff_styp_to_sec_flags): Handle STYP_RCONST.
(ecoff_set_symbol_info): Handle scRConst.
(ecoff_slurp_reloc_table): Handle RELOC_SECTION_RCONST.
(ecoff_compute_section_file_positions): Handle .rconst section.
(_bfd_ecoff_write_object_contents): Likewise.
(ecoff_link_check_archive_element): Handle scRConst.
(ecoff_link_add_externals): Likewise.
(ecoff_link_write_external): Handle .rconst section.
(ecoff_reloc_link_order): Likewise.
* ecofflink.c (bfd_ecoff_debug_accumulate): Handle scRConst.
* coff-alpha.c (alpha_convert_external_reloc): Handle .rconst
section.
(alpha_relocate_section): Handle RELOC_SECTION_RCONST.
* sunos.c (sunos_scan_dynamic_symbol): Only set written if the
DEF_DYNAMIC flag is set.

10
bfd/coff-alpha.c
View file

@ -1309,6 +1309,8 @@ alpha_convert_external_reloc (output_bfd, info, input_bfd, ext_rel, h)
case 'r':
if (strcmp (name, ".rdata") == 0)
r_symndx = RELOC_SECTION_RDATA;
else if (strcmp (name, ".rconst") == 0)
r_symndx = RELOC_SECTION_RCONST;
break;
case 's':
if (strcmp (name, ".sdata") == 0)
@ -1421,6 +1423,8 @@ alpha_relocate_section (output_bfd, info, input_bfd, input_section,
symndx_to_section[RELOC_SECTION_LITA] =
bfd_get_section_by_name (input_bfd, ".lita");
symndx_to_section[RELOC_SECTION_ABS] = bfd_abs_section_ptr;
symndx_to_section[RELOC_SECTION_RCONST] =
bfd_get_section_by_name (input_bfd, ".rconst");
ecoff_data (input_bfd)->symndx_to_section = symndx_to_section;
}
@ -1976,7 +1980,7 @@ static const struct ecoff_backend_data alpha_ecoff_backend_data =
alpha_ecoff_bad_format_hook, _bfd_ecoff_set_arch_mach_hook,
alpha_ecoff_mkobject_hook, _bfd_ecoff_styp_to_sec_flags,
_bfd_ecoff_set_alignment_hook, _bfd_ecoff_slurp_symbol_table,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
},
/* Supported architecture. */
bfd_arch_alpha,
@ -2053,6 +2057,10 @@ static const struct ecoff_backend_data alpha_ecoff_backend_data =
#define _bfd_ecoff_bfd_get_relocated_section_contents \
alpha_ecoff_get_relocated_section_contents
/* Handling file windows is generic. */
#define _bfd_ecoff_get_section_contents_in_window \
_bfd_generic_get_section_contents_in_window
/* Relaxing sections is generic. */
#define _bfd_ecoff_bfd_relax_section bfd_generic_relax_section

96
bfd/ecoff.c
View file

@ -163,7 +163,8 @@ _bfd_ecoff_new_section_hook (abfd, section)
section->flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC;
else if (strcmp (section->name, _RDATA) == 0
|| strcmp (section->name, _LIT8) == 0
|| strcmp (section->name, _LIT4) == 0)
|| strcmp (section->name, _LIT4) == 0
|| strcmp (section->name, _RCONST) == 0)
section->flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC | SEC_READONLY;
else if (strcmp (section->name, _BSS) == 0
|| strcmp (section->name, _SBSS) == 0)
@ -335,6 +336,8 @@ ecoff_sec_to_styp_flags (name, flags)
styp = STYP_COMMENT;
flags &=~ SEC_NEVER_LOAD;
}
else if (strcmp (name, _RCONST) == 0)
styp = STYP_RCONST;
else if (flags & SEC_CODE)
styp = STYP_TEXT;
else if (flags & SEC_DATA)
@ -391,14 +394,16 @@ _bfd_ecoff_styp_to_sec_flags (abfd, hdr, name)
|| (styp_flags & STYP_SDATA)
|| styp_flags == STYP_PDATA
|| styp_flags == STYP_XDATA
|| (styp_flags & STYP_GOT))
|| (styp_flags & STYP_GOT)
|| styp_flags == STYP_RCONST)
{
if (sec_flags & SEC_NEVER_LOAD)
sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY;
else
sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC;
if ((styp_flags & STYP_RDATA)
|| styp_flags == STYP_PDATA)
|| styp_flags == STYP_PDATA
|| styp_flags == STYP_RCONST)
sec_flags |= SEC_READONLY;
}
else if ((styp_flags & STYP_BSS)
@ -829,6 +834,10 @@ ecoff_set_symbol_info (abfd, ecoff_sym, asym, ext, weak)
asym->section = bfd_make_section_old_way (abfd, ".fini");
asym->value -= asym->section->vma;
break;
case scRConst:
asym->section = bfd_make_section_old_way (abfd, ".rconst");
asym->value -= asym->section->vma;
break;
default:
break;
}
@ -1743,6 +1752,7 @@ ecoff_slurp_reloc_table (abfd, section, symbols)
case RELOC_SECTION_PDATA: sec_name = ".pdata"; break;
case RELOC_SECTION_FINI: sec_name = ".fini"; break;
case RELOC_SECTION_LITA: sec_name = ".lita"; break;
case RELOC_SECTION_RCONST: sec_name = ".rconst"; break;
default: abort ();
}
@ -2128,11 +2138,12 @@ ecoff_compute_section_file_positions (abfd)
the data. */
if ((abfd->flags & EXEC_P) != 0
&& (abfd->flags & D_PAGED) != 0
&& first_data != false
&& ! first_data
&& (current->flags & SEC_CODE) == 0
&& (! ecoff_backend (abfd)->rdata_in_text
|| strcmp (current->name, _RDATA) != 0)
&& strcmp (current->name, _PDATA) != 0)
&& strcmp (current->name, _PDATA) != 0
&& strcmp (current->name, _RCONST) != 0)
{
sofar = (sofar + round - 1) &~ (round - 1);
first_data = false;
@ -2573,7 +2584,8 @@ _bfd_ecoff_write_object_contents (abfd)
|| (section.s_flags & STYP_DYNSYM) != 0
|| (section.s_flags & STYP_HASH) != 0
|| (section.s_flags & STYP_ECOFF_INIT) != 0
|| (section.s_flags & STYP_ECOFF_FINI) != 0)
|| (section.s_flags & STYP_ECOFF_FINI) != 0
|| section.s_flags == STYP_RCONST)
{
text_size += bfd_get_section_size_before_reloc (current);
if (! set_text_start || text_start > vma)
@ -2810,6 +2822,8 @@ _bfd_ecoff_write_object_contents (abfd)
in.r_symndx = RELOC_SECTION_LITA;
else if (strcmp (name, "*ABS*") == 0)
in.r_symndx = RELOC_SECTION_ABS;
else if (strcmp (name, ".rconst") == 0)
in.r_symndx = RELOC_SECTION_RCONST;
else
abort ();
in.r_extern = 0;
@ -3005,7 +3019,7 @@ _bfd_ecoff_slurp_armap (abfd)
/* Read in the armap. */
ardata = bfd_ardata (abfd);
mapdata = _bfd_read_ar_hdr (abfd);
mapdata = (struct areltdata *) _bfd_read_ar_hdr (abfd);
if (mapdata == (struct areltdata *) NULL)
return false;
parsed_size = mapdata->parsed_size;
@ -3687,6 +3701,7 @@ ecoff_link_check_archive_element (abfd, info, pneeded)
case scSCommon:
case scInit:
case scFini:
case scRConst:
def = true;
break;
default:
@ -3948,6 +3963,10 @@ ecoff_link_add_externals (abfd, info, external_ext, ssext)
section = bfd_make_section_old_way (abfd, ".fini");
value -= section->vma;
break;
case scRConst:
section = bfd_make_section_old_way (abfd, ".rconst");
value -= section->vma;
break;
}
if (section == (asection *) NULL)
@ -4377,6 +4396,8 @@ ecoff_link_write_external (h, data)
h->esym.asym.sc = scPData;
else if (strcmp (name, _XDATA) == 0)
h->esym.asym.sc = scXData;
else if (strcmp (name, _RCONST) == 0)
h->esym.asym.sc = scRConst;
else
h->esym.asym.sc = scAbs;
}
@ -4585,12 +4606,19 @@ ecoff_reloc_link_order (output_bfd, info, output_section, link_order)
asection *output_section;
struct bfd_link_order *link_order;
{
enum bfd_link_order_type type;
asection *section;
bfd_vma addend;
arelent rel;
struct internal_reloc in;
bfd_size_type external_reloc_size;
bfd_byte *rbuf;
boolean ok;
type = link_order->type;
section = NULL;
addend = link_order->u.reloc.p->addend;
/* We set up an arelent to pass to the backend adjust_reloc_out
routine. */
rel.address = link_order->offset;
@ -4602,21 +4630,44 @@ ecoff_reloc_link_order (output_bfd, info, output_section, link_order)
return false;
}
if (link_order->type == bfd_section_reloc_link_order)
rel.sym_ptr_ptr = link_order->u.reloc.p->u.section->symbol_ptr_ptr;
if (type == bfd_section_reloc_link_order)
{
section = link_order->u.reloc.p->u.section;
rel.sym_ptr_ptr = section->symbol_ptr_ptr;
}
else
{
/* We can't set up a reloc against a symbol correctly, because
we have no asymbol structure. Currently no adjust_reloc_out
routine cases. */
rel.sym_ptr_ptr = (asymbol **) NULL;
struct bfd_link_hash_entry *h;
/* Treat a reloc against a defined symbol as though it were
actually against the section. */
h = bfd_link_hash_lookup (info->hash, link_order->u.reloc.p->u.name,
false, false, false);
if (h != NULL
&& (h->type == bfd_link_hash_defined
|| h->type == bfd_link_hash_defweak))
{
type = bfd_section_reloc_link_order;
section = h->u.def.section->output_section;
/* It seems that we ought to add the symbol value to the
addend here, but in practice it has already been added
because it was passed to constructor_callback. */
addend += section->vma + h->u.def.section->output_offset;
}
else
{
/* We can't set up a reloc against a symbol correctly,
because we have no asymbol structure. Currently no
adjust_reloc_out routine cares. */
rel.sym_ptr_ptr = (asymbol **) NULL;
}
}
/* All ECOFF relocs are in-place. Put the addend into the object
file. */
BFD_ASSERT (rel.howto->partial_inplace);
if (link_order->u.reloc.p->addend != 0)
if (addend != 0)
{
bfd_size_type size;
bfd_reloc_status_type rstat;
@ -4630,8 +4681,7 @@ ecoff_reloc_link_order (output_bfd, info, output_section, link_order)
bfd_set_error (bfd_error_no_memory);
return false;
}
rstat = _bfd_relocate_contents (rel.howto, output_bfd,
link_order->u.reloc.p->addend, buf);
rstat = _bfd_relocate_contents (rel.howto, output_bfd, addend, buf);
switch (rstat)
{
case bfd_reloc_ok:
@ -4643,11 +4693,10 @@ ecoff_reloc_link_order (output_bfd, info, output_section, link_order)
if (! ((*info->callbacks->reloc_overflow)
(info,
(link_order->type == bfd_section_reloc_link_order
? bfd_section_name (output_bfd,
link_order->u.reloc.p->u.section)
? bfd_section_name (output_bfd, section)
: link_order->u.reloc.p->u.name),
rel.howto->name, link_order->u.reloc.p->addend,
(bfd *) NULL, (asection *) NULL, (bfd_vma) 0)))
rel.howto->name, addend, (bfd *) NULL,
(asection *) NULL, (bfd_vma) 0)))
{
free (buf);
return false;
@ -4668,7 +4717,7 @@ ecoff_reloc_link_order (output_bfd, info, output_section, link_order)
+ bfd_get_section_vma (output_bfd, output_section));
in.r_type = rel.howto->type;
if (link_order->type == bfd_symbol_reloc_link_order)
if (type == bfd_symbol_reloc_link_order)
{
struct ecoff_link_hash_entry *h;
@ -4692,8 +4741,7 @@ ecoff_reloc_link_order (output_bfd, info, output_section, link_order)
{
CONST char *name;
name = bfd_get_section_name (output_bfd,
link_order->u.reloc.p->u.section);
name = bfd_get_section_name (output_bfd, section);
if (strcmp (name, ".text") == 0)
in.r_symndx = RELOC_SECTION_TEXT;
else if (strcmp (name, ".rdata") == 0)
@ -4722,6 +4770,8 @@ ecoff_reloc_link_order (output_bfd, info, output_section, link_order)
in.r_symndx = RELOC_SECTION_LITA;
else if (strcmp (name, "*ABS*") == 0)
in.r_symndx = RELOC_SECTION_ABS;
else if (strcmp (name, ".rconst") == 0)
in.r_symndx = RELOC_SECTION_RCONST;
else
abort ();
in.r_extern = 0;

904
bfd/ecofflink.c
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