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* elf-hppa.h (elf_hppa_final_link): Revamp __gp handling.

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(elf_hppa_final_link_relocate): Consistently create an absolute
        address, then subtract out the value of __gp.
This commit is contained in:
Jeff Law 1999-09-15 08:51:45 +00:00
parent 833be1c7bc
commit 19ef546580
2 changed files with 56 additions and 32 deletions
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6
bfd/ChangeLog
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@ -1,3 +1,9 @@
Wed Sep 15 02:31:57 1999 Jeffrey A Law (law@cygnus.com)
* elf-hppa.h (elf_hppa_final_link): Revamp __gp handling.
(elf_hppa_final_link_relocate): Consistently create an absolute
address, then subtract out the value of __gp.
1999-09-14 Michael Meissner <meissner@cygnus.com>
* configure.in (Canonicalization of target names): Remove adding

82
bfd/elf-hppa.h
View File

@ -850,32 +850,24 @@ elf_hppa_final_link (abfd, info)
{
boolean retval;
/* Make sure we've got ourselves a suitable __gp value. */
if (!info->relocateable)
if (! info->relocateable)
{
struct elf_link_hash_entry *gp;
bfd_vma gp_val = 0;
asection *os;
bfd_vma gp_val;
/* Find the .opd section. __gp's value should be the same as
the start of .PARISC.global section. */
for (os = abfd->sections; os ; os = os->next)
{
/* This would be cleaner if we marked sections with an attribute
indicating they are short sections. */
if (strcmp (os->name, ".PARISC.global") == 0)
break;
}
/* The linker script defines a value for __gp, we just need to
install that value into magic place for the BFD. */
gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", false,
false, false);
BFD_ASSERT (os != NULL)
/* 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 = (os->output_section->vma + os->output_offset);
gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", true,
true, false);
gp->root.type = bfd_link_hash_defined;
gp->root.u.def.section = os;
gp->root.u.def.value = 0;
gp_val = (gp->root.u.def.section->output_section->vma
+ gp->root.u.def.section->output_offset
+ gp->root.u.def.value);
_bfd_set_gp_value (abfd, gp_val);
}
@ -1280,8 +1272,14 @@ elf_hppa_final_link_relocate (rel, input_bfd, output_bfd,
}
/* We want the value of the DLT offset for this symbol, not
the symbol's actual address. */
value = dyn_h->dlt_offset + hppa_info->dlt_sec->output_offset;
the symbol's actual address. Note that __gp may not point
to the start of the DLT, so we have to compute the absolute
address, then subtract out the value of __gp. */
value = (dyn_h->dlt_offset
+ hppa_info->dlt_sec->output_offset
+ hppa_info->dlt_sec->output_section->vma);
value -= _bfd_get_gp_value (output_bfd);
/* All DLTIND relocations are basically the same at this point,
except that we need different field selectors for the 21bit
@ -1382,8 +1380,13 @@ elf_hppa_final_link_relocate (rel, input_bfd, output_bfd,
case R_PARISC_PLTOFF16DF:
{
/* We want the value of the PLT offset for this symbol, not
the symbol's actual address. */
value = dyn_h->plt_offset + hppa_info->plt_sec->output_offset;
the symbol's actual address. Note that __gp may not point
to the start of the DLT, so we have to compute the absolute
address, then subtract out the value of __gp. */
value = (dyn_h->plt_offset
+ hppa_info->plt_sec->output_offset
+ hppa_info->plt_sec->output_section->vma);
value -= _bfd_get_gp_value (output_bfd);
/* All PLTOFF relocations are basically the same at this point,
except that we need different field selectors for the 21bit
@ -1424,8 +1427,13 @@ elf_hppa_final_link_relocate (rel, input_bfd, output_bfd,
}
/* We want the value of the DLT offset for this symbol, not
the symbol's actual address. */
value = dyn_h->dlt_offset + hppa_info->dlt_sec->output_offset;
the symbol's actual address. Note that __gp may not point
to the start of the DLT, so we have to compute the absolute
address, then subtract out the value of __gp. */
value = (dyn_h->dlt_offset
+ hppa_info->dlt_sec->output_offset
+ hppa_info->dlt_sec->output_section->vma);
value -= _bfd_get_gp_value (output_bfd);
bfd_put_32 (input_bfd, value, hit_data);
return bfd_reloc_ok;
}
@ -1453,8 +1461,13 @@ elf_hppa_final_link_relocate (rel, input_bfd, output_bfd,
}
/* We want the value of the DLT offset for this symbol, not
the symbol's actual address. */
value = dyn_h->dlt_offset + hppa_info->dlt_sec->output_offset;
the symbol's actual address. Note that __gp may not point
to the start of the DLT, so we have to compute the absolute
address, then subtract out the value of __gp. */
value = (dyn_h->dlt_offset
+ hppa_info->dlt_sec->output_offset
+ hppa_info->dlt_sec->output_section->vma);
value -= _bfd_get_gp_value (output_bfd);
bfd_put_64 (input_bfd, value, hit_data);
return bfd_reloc_ok;
}
@ -1477,9 +1490,14 @@ elf_hppa_final_link_relocate (rel, input_bfd, output_bfd,
return bfd_reloc_ok;
case R_PARISC_LTOFF64:
/* We want the value of the DLT offset for this symbol, not
the symbol's actual address. */
value = dyn_h->dlt_offset + hppa_info->dlt_sec->output_offset;
/* We want the value of the DLT offset for this symbol, not
the symbol's actual address. Note that __gp may not point
to the start of the DLT, so we have to compute the absolute
address, then subtract out the value of __gp. */
value = (dyn_h->dlt_offset
+ hppa_info->dlt_sec->output_offset
+ hppa_info->dlt_sec->output_section->vma);
value -= _bfd_get_gp_value (output_bfd);
bfd_put_64 (input_bfd, value + addend, hit_data);
return bfd_reloc_ok;