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authorIan Lance Taylor <ian@airs.com>1995-11-22 19:01:43 +0000
committerIan Lance Taylor <ian@airs.com>1995-11-22 19:01:43 +0000
commita877f5917f9045bcb1b57742d6e3954e133ef325 (patch)
tree121214b015d2de932c62f4005088a7f7806c92a7 /bfd/ecoff.c
parent49c43d0201d2ce37d0d78e147f760b60635914da (diff)
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* 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.
Diffstat (limited to 'bfd/ecoff.c')
-rw-r--r--bfd/ecoff.c96
1 files changed, 73 insertions, 23 deletions
diff --git a/bfd/ecoff.c b/bfd/ecoff.c
index 80291f5..c741efe 100644
--- a/bfd/ecoff.c
+++ b/bfd/ecoff.c
@@ -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;