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* elf-hppa.h (elf_hppa_final_link_relocate): Create .opd entries

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for FPTR relocs involving local symbols.
This commit is contained in:
Jeff Law 1999-09-10 15:46:37 +00:00
parent e5b08bf0d3
commit e48c661ee6
2 changed files with 99 additions and 8 deletions
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3
bfd/ChangeLog
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@ -1,5 +1,8 @@
Fri Sep 10 00:35:14 1999 Jeffrey A Law (law@cygnus.com)
* elf-hppa.h (elf_hppa_final_link_relocate): Create .opd entries
for FPTR relocs involving local symbols.
* elf-hppa.h (elf_hppa_final_link_relocate): Get the right
value for the stub address in a call through a stub.
Install the value for a local symbol directly into the DLT

104
bfd/elf-hppa.h
View File

@ -1220,12 +1220,41 @@ elf_hppa_final_link_relocate (rel, input_bfd, output_bfd,
to the local symbol's value).
So, if this is a local symbol (h == NULL), then we need to
fill in its DLT entry. */
fill in its DLT entry.
Similarly we may still need to set up an entry in .opd for
a local function which had its address taken. */
if (dyn_h->h == NULL)
{
bfd_put_64 (hppa_info->dlt_sec->owner,
value,
hppa_info->dlt_sec->contents + dyn_h->dlt_offset);
/* Now handle .opd creation if needed. */
if (r_type == R_PARISC_LTOFF_FPTR14R
|| r_type == R_PARISC_LTOFF_FPTR14DR
|| r_type == R_PARISC_LTOFF_FPTR14WR
|| r_type == R_PARISC_LTOFF_FPTR21L
|| r_type == R_PARISC_LTOFF_FPTR16F
|| r_type == R_PARISC_LTOFF_FPTR16WF
|| r_type == R_PARISC_LTOFF_FPTR16DF)
{
/* The first two words of an .opd entry are zero. */
memset (hppa_info->opd_sec->contents + dyn_h->opd_offset,
0, 16);
/* The next word is the address of the function. */
bfd_put_64 (hppa_info->opd_sec->owner, value,
(hppa_info->opd_sec->contents
+ dyn_h->opd_offset + 16));
/* The last word is our local __gp value. */
value = _bfd_get_gp_value
(hppa_info->opd_sec->output_section->owner);
bfd_put_64 (hppa_info->opd_sec->owner, value,
(hppa_info->opd_sec->contents
+ dyn_h->opd_offset + 24));
}
}
/* We want the value of the DLT offset for this symbol, not
@ -1353,6 +1382,25 @@ elf_hppa_final_link_relocate (rel, input_bfd, output_bfd,
case R_PARISC_LTOFF_FPTR32:
{
/* We may still need to create the FPTR itself if it was for
a local symbol. */
if (dyn_h->h == NULL)
{
/* The first two words of an .opd entry are zero. */
memset (hppa_info->opd_sec->contents + dyn_h->opd_offset, 0, 16);
/* The next word is the address of the function. */
bfd_put_64 (hppa_info->opd_sec->owner, value,
(hppa_info->opd_sec->contents
+ dyn_h->opd_offset + 16));
/* The last word is our local __gp value. */
value = _bfd_get_gp_value
(hppa_info->opd_sec->output_section->owner);
bfd_put_64 (hppa_info->opd_sec->owner, value,
hppa_info->opd_sec->contents + dyn_h->opd_offset + 24);
}
/* 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;
@ -1363,6 +1411,25 @@ elf_hppa_final_link_relocate (rel, input_bfd, output_bfd,
case R_PARISC_LTOFF_FPTR64:
case R_PARISC_LTOFF_TP64:
{
/* We may still need to create the FPTR itself if it was for
a local symbol. */
if (dyn_h->h == NULL && r_type == R_PARISC_LTOFF_FPTR64)
{
/* The first two words of an .opd entry are zero. */
memset (hppa_info->opd_sec->contents + dyn_h->opd_offset, 0, 16);
/* The next word is the address of the function. */
bfd_put_64 (hppa_info->opd_sec->owner, value,
(hppa_info->opd_sec->contents
+ dyn_h->opd_offset + 16));
/* The last word is our local __gp value. */
value = _bfd_get_gp_value
(hppa_info->opd_sec->output_section->owner);
bfd_put_64 (hppa_info->opd_sec->owner, value,
hppa_info->opd_sec->contents + dyn_h->opd_offset + 24);
}
/* 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;
@ -1433,14 +1500,35 @@ elf_hppa_final_link_relocate (rel, input_bfd, output_bfd,
case R_PARISC_FPTR64:
/* We want the value of the OPD offset for this symbol, not
the symbol's actual address. */
value = (dyn_h->opd_offset
+ hppa_info->opd_sec->output_offset
+ hppa_info->opd_sec->output_section->vma);
{
/* We may still need to create the FPTR itself if it was for
a local symbol. */
if (dyn_h->h == NULL)
{
/* The first two words of an .opd entry are zero. */
memset (hppa_info->opd_sec->contents + dyn_h->opd_offset, 0, 16);
/* The next word is the address of the function. */
bfd_put_64 (hppa_info->opd_sec->owner, value,
(hppa_info->opd_sec->contents
+ dyn_h->opd_offset + 16));
/* The last word is our local __gp value. */
value = _bfd_get_gp_value
(hppa_info->opd_sec->output_section->owner);
bfd_put_64 (hppa_info->opd_sec->owner, value,
hppa_info->opd_sec->contents + dyn_h->opd_offset + 24);
}
/* We want the value of the OPD offset for this symbol, not
the symbol's actual address. */
value = (dyn_h->opd_offset
+ hppa_info->opd_sec->output_offset
+ hppa_info->opd_sec->output_section->vma);
bfd_put_64 (input_bfd, value + addend, hit_data);
return bfd_reloc_ok;
bfd_put_64 (input_bfd, value + addend, hit_data);
return bfd_reloc_ok;
}
/* Something we don't know how to handle. */
default: