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* elf-hppa.h (elf_hppa_final_link): If unable to find __gp in the

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symbol table, then just compute a suitable value (but do not
        create a __gp symbol).
This commit is contained in:
Jeff Law 1999-09-16 20:39:10 +00:00
parent 38f7d33d09
commit 1209c61294
2 changed files with 54 additions and 9 deletions
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4
bfd/ChangeLog
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@ -5,6 +5,10 @@ Thu Sep 16 11:21:13 1999 Catherine Moore <clm@cygnus.com>
Thu Sep 16 10:48:17 1999 Jeffrey A Law (law@cygnus.com)
* elf-hppa.h (elf_hppa_final_link): If unable to find __gp in the
symbol table, then just compute a suitable value (but do not
create a __gp symbol).
* elf-hppa.h (elf_hppa_relocate_section): Allow undefined
symbols when building shared libraries.
(elf_hppa_final_link_relocate): Correct handling of PCREL

59
bfd/elf-hppa.h
View File

@ -854,20 +854,61 @@ elf_hppa_final_link (abfd, info)
{
struct elf_link_hash_entry *gp;
bfd_vma gp_val;
struct elf64_hppa_link_hash_table *hppa_info;
/* The linker script defines a value for __gp, we just need to
install that value into magic place for the BFD. */
hppa_info = elf64_hppa_hash_table (info);
/* The linker script defines a value for __gp iff it was referenced
by one of the objects being linked. First try to find the symbol
in the hash table. If that fails, just compute the value __gp
should have had. */
gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", false,
false, false);
/* Adjust the value of __gp as we may want to slide it into the
.plt section so that the stubs can access PLT entries without
using an addil sequence. */
gp->root.u.def.value += elf64_hppa_hash_table (info)->gp_offset;
if (gp)
{
gp_val = (gp->root.u.def.section->output_section->vma
+ gp->root.u.def.section->output_offset
+ gp->root.u.def.value);
/* Adjust the value of __gp as we may want to slide it into the
.plt section so that the stubs can access PLT entries without
using an addil sequence. */
gp->root.u.def.value += elf64_hppa_hash_table (info)->gp_offset;
gp_val = (gp->root.u.def.section->output_section->vma
+ gp->root.u.def.section->output_offset
+ gp->root.u.def.value);
}
else
{
asection *sec;
/* First look for a .plt section. If found, then __gp is the
address of the .plt + gp_offset.
If no .plt is found, then look for .dlt, .opd and .data (in
that order) and set __gp to the base address of whichever section
is found first. */
sec = hppa_info->plt_sec;
if (sec)
gp_val = (sec->output_offset
+ sec->output_section->vma
+ hppa_info->gp_offset);
else
{
sec = hppa_info->dlt_sec;
if (!sec)
sec = hppa_info->opd_sec;
if (!sec)
sec = bfd_get_section_by_name (abfd, ".data");
if (!sec)
return false;
gp_val = sec->output_offset + sec->output_section->vma;
}
}
/* Install whatever value we found/computed for __gp. */
_bfd_set_gp_value (abfd, gp_val);
}