aboutsummaryrefslogtreecommitdiff
path: root/bfd
diff options
context:
space:
mode:
authorJeff Law <law@redhat.com>1999-09-10 15:46:37 +0000
committerJeff Law <law@redhat.com>1999-09-10 15:46:37 +0000
commite48c661ee6b7d8a850acd122a7a17076d3c1dc33 (patch)
tree513119b57075c2dcf7bce7ae0c6d509aeee51f91 /bfd
parente5b08bf0d38e0446d5fd37b7ba307dd995996c8a (diff)
downloadgdb-e48c661ee6b7d8a850acd122a7a17076d3c1dc33.zip
gdb-e48c661ee6b7d8a850acd122a7a17076d3c1dc33.tar.gz
gdb-e48c661ee6b7d8a850acd122a7a17076d3c1dc33.tar.bz2
* elf-hppa.h (elf_hppa_final_link_relocate): Create .opd entries
for FPTR relocs involving local symbols.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog3
-rw-r--r--bfd/elf-hppa.h104
2 files changed, 99 insertions, 8 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 7e39172..2f8e347 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -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
diff --git a/bfd/elf-hppa.h b/bfd/elf-hppa.h
index 53a50ab..dfc754e 100644
--- a/bfd/elf-hppa.h
+++ b/bfd/elf-hppa.h
@@ -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: