static boolean elf_hppa_final_link
PARAMS ((bfd *, struct bfd_link_info *));
+static boolean elf_hppa_unmark_useless_dynamic_symbols
+ PARAMS ((struct elf_link_hash_entry *, PTR));
+
+static boolean elf_hppa_remark_useless_dynamic_symbols
+ PARAMS ((struct elf_link_hash_entry *, PTR));
+
+static void elf_hppa_record_segment_addrs
+ PARAMS ((bfd *, asection *, PTR));
+
/* ELF/PA relocation howto entries. */
static reloc_howto_type elf_hppa_howto_table[ELF_HOWTO_TABLE_SIZE] =
{R_PARISC_PCREL16DF, 0, 0, 0, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_PCREL16DF"},
{R_PARISC_DIR64, 0, 0, 0, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_DIR64"},
- {R_PARISC_DIR64WR, 0, 0, 0, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_DIR64WR"},
- {R_PARISC_DIR64DR, 0, 0, 0, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_DIR64DR"},
+ {R_PARISC_NONE, 0, 0, 0, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_NONE"},
+ {R_PARISC_NONE, 0, 0, 0, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_NONE"},
{R_PARISC_DIR14WR, 0, 0, 0, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_DIR14WR"},
{R_PARISC_DIR14DR, 0, 0, 0, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_DIR14DR"},
{R_PARISC_DIR16F, 0, 0, 0, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_DIR16F"},
{R_PARISC_DLTIND14DR, 0, 0, 0, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_DLTIND14DR"},
{R_PARISC_LTOFF16F, 0, 0, 0, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_LTOFF16F"},
+ {R_PARISC_LTOFF16WF, 0, 0, 0, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_LTOFF16DF"},
{R_PARISC_LTOFF16DF, 0, 0, 0, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_LTOFF16DF"},
- {R_PARISC_SECREL64, 0, 0, 0, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_SECREL64"},
{R_PARISC_UNIMPLEMENTED, 0, 0, 0, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_UNIMPLEMENTED"},
{R_PARISC_UNIMPLEMENTED, 0, 0, 0, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_UNIMPLEMENTED"},
{R_PARISC_BASEREL14WR, 0, 0, 0, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_BSEREL14WR"},
else if (mach == 20)
elf_elfheader (abfd)->e_flags |= EFA_PARISC_2_0;
else if (mach == 25)
- elf_elfheader (abfd)->e_flags |= EF_PARISC_WIDE | EFA_PARISC_2_0;
+ elf_elfheader (abfd)->e_flags |= (EF_PARISC_WIDE
+ | EFA_PARISC_2_0
+ /* The GNU tools have trapped without
+ option since 1993, so need to take
+ a step backwards with the ELF
+ based toolchains. */
+ | EF_PARISC_TRAPNIL);
}
/* Return true if SYM represents a local label symbol. */
return true;
}
+static boolean
+elf_hppa_unmark_useless_dynamic_symbols (h, data)
+ struct elf_link_hash_entry *h;
+ PTR data;
+{
+ struct bfd_link_info *info = (struct bfd_link_info *)data;
+
+ /* If we are not creating a shared library, and this symbol is
+ referenced by a shared library but is not defined anywhere, then
+ the generic code will warn that it is undefined.
+
+ This behavior is undesirable on HPs since the standard shared
+ libraries contain reerences to undefined symbols.
+
+ So we twiddle the flags associated with such symbols so that they
+ will not trigger the warning. ?!? FIXME. This is horribly fraglie.
+
+ Ultimately we should have better controls over the generic ELF BFD
+ linker code. */
+ if (! info->relocateable
+ && ! (info->shared
+ && !info->no_undefined)
+ && h->root.type == bfd_link_hash_undefined
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) != 0
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR) == 0)
+ {
+ h->elf_link_hash_flags &= ~ELF_LINK_HASH_REF_DYNAMIC;
+ h->elf_link_hash_flags |= 0x8000;
+ }
+
+ return true;
+}
+
+
+static boolean
+elf_hppa_remark_useless_dynamic_symbols (h, data)
+ struct elf_link_hash_entry *h;
+ PTR data;
+{
+ struct bfd_link_info *info = (struct bfd_link_info *)data;
+
+ /* If we are not creating a shared library, and this symbol is
+ referenced by a shared library but is not defined anywhere, then
+ the generic code will warn that it is undefined.
+
+ This behavior is undesirable on HPs since the standard shared
+ libraries contain reerences to undefined symbols.
+
+ So we twiddle the flags associated with such symbols so that they
+ will not trigger the warning. ?!? FIXME. This is horribly fragile.
+
+ Ultimately we should have better controls over the generic ELF BFD
+ linker code. */
+ if (! info->relocateable
+ && ! (info->shared
+ && !info->no_undefined)
+ && h->root.type == bfd_link_hash_undefined
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR) == 0
+ && (h->elf_link_hash_flags & 0x8000) != 0)
+ {
+ h->elf_link_hash_flags |= ELF_LINK_HASH_REF_DYNAMIC;
+ h->elf_link_hash_flags &= ~0x8000;
+ }
+
+ return true;
+}
+
+/* Record the lowest address for the data and text segments. */
+static void
+elf_hppa_record_segment_addrs (abfd, section, data)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ asection *section;
+ PTR data;
+{
+ struct elf64_hppa_link_hash_table *hppa_info;
+ bfd_vma value;
+
+ hppa_info = (struct elf64_hppa_link_hash_table *)data;
+
+ value = section->vma - section->filepos;
+
+ if ((section->flags & (SEC_ALLOC | SEC_LOAD | SEC_READONLY)
+ == (SEC_ALLOC | SEC_LOAD | SEC_READONLY))
+ && value < hppa_info->text_segment_base)
+ hppa_info->text_segment_base = value;
+ else if ((section->flags & (SEC_ALLOC | SEC_LOAD | SEC_READONLY)
+ == (SEC_ALLOC | SEC_LOAD))
+ && value < hppa_info->data_segment_base)
+ hppa_info->data_segment_base = value;
+}
+
/* Called after we have seen all the input files/sections, but before
final symbol resolution and section placement has been determined.
bfd *abfd;
struct bfd_link_info *info;
{
- /* Make sure we've got ourselves a suitable __gp value. */
- if (!info->relocateable)
+ boolean retval;
+
+ if (! info->relocateable)
{
- bfd_vma min_short_vma = (bfd_vma) -1, max_short_vma = 0;
struct elf_link_hash_entry *gp;
- bfd_vma gp_val = 0;
- asection *os;
+ bfd_vma gp_val;
+ struct elf64_hppa_link_hash_table *hppa_info;
+
+ hppa_info = elf64_hppa_hash_table (info);
- /* 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)
+ /* 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);
+
+ if (gp)
{
- bfd_vma lo, hi;
- /* This would be cleaner if we marked sections with an attribute
- indicating they are short sections. */
- if (strcmp (os->name, ".PARISC.global") == 0)
- break;
+ /* 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;
+
- BFD_ASSERT (os != NULL)
+ /* First look for a .plt section. If found, then __gp is the
+ address of the .plt + 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;
+ 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);
}
+ /* We need to know the base of the text and data segments so that we
+ can perform SEGREL relocations. We will recore the base addresses
+ when we encounter the first SEGREL relocation. */
+ elf64_hppa_hash_table (info)->text_segment_base = (bfd_vma)-1;
+ elf64_hppa_hash_table (info)->data_segment_base = (bfd_vma)-1;
+
+ /* HP's shared libraries have references to symbols that are not
+ defined anywhere. The generic ELF BFD linker code will complaim
+ about such symbols.
+
+ So we detect the losing case and arrange for the flags on the symbol
+ to indicate that it was never referenced. This keeps the generic
+ ELF BFD link code happy and appears to not create any secondary
+ problems. Ultimately we need a way to control the behavior of the
+ generic ELF BFD link code better. */
+ elf_link_hash_traverse (elf_hash_table (info),
+ elf_hppa_unmark_useless_dynamic_symbols,
+ info);
+
/* Invoke the regular ELF backend linker to do all the work. */
- return bfd_elf_bfd_final_link (abfd, info);
+ retval = bfd_elf_bfd_final_link (abfd, info);
+
+ elf_link_hash_traverse (elf_hash_table (info),
+ elf_hppa_remark_useless_dynamic_symbols,
+ info);
+
+ return retval;
}
/* Relocate an HPPA ELF section. */
for (; rel < relend; rel++)
{
int r_type;
- reloc_howto_type *howto;
+ reloc_howto_type *howto = elf_hppa_howto_table + ELF_R_TYPE (rel->r_info);
unsigned long r_symndx;
struct elf_link_hash_entry *h;
Elf_Internal_Sym *sym;
{
sym_sec = h->root.u.def.section;
-
/* If this symbol has an entry in the PA64 dynamic hash
table, then get it. */
dyn_name = get_dyn_name (input_bfd, h, rel,
else
relocation = 0;
}
+ /* Allow undefined symbols in shared libraries. */
+ else if (info->shared && !info->no_undefined)
+ {
+ if (info->symbolic)
+ (*info->callbacks->undefined_symbol)
+ (info, h->root.root.string, input_bfd,
+ input_section, rel->r_offset, false);
+
+ /* If this symbol has an entry in the PA64 dynamic hash
+ table, then get it. */
+ dyn_name = get_dyn_name (input_bfd, h, rel,
+ &dynh_buf, &dynh_buflen);
+ dyn_h = elf64_hppa_dyn_hash_lookup (&hppa_info->dyn_hash_table,
+ dyn_name, false, false);
+
+ if (dyn_h == NULL)
+ {
+ (*_bfd_error_handler)
+ (_("%s: warning: unresolvable relocation against symbol `%s' from %s section"),
+ bfd_get_filename (input_bfd), h->root.root.string,
+ bfd_get_section_name (input_bfd, input_section));
+ relocation = 0;
+ }
+ relocation = 0;
+ }
else if (h->root.type == bfd_link_hash_undefweak)
relocation = 0;
else
{
if (!((*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd,
- input_section, rel->r_offset)))
+ input_section, rel->r_offset, true)))
return false;
break;
}
bfd_vma addend = rel->r_addend;
reloc_howto_type *howto = elf_hppa_howto_table + ELF_R_TYPE (rel->r_info);
unsigned long r_type = howto->type;
- unsigned long r_format = howto->bitsize;
unsigned long r_field = e_fsel;
bfd_byte *hit_data = contents + offset;
struct elf64_hppa_link_hash_table *hppa_info = elf64_hppa_hash_table (info);
insn = bfd_get_32 (input_bfd, hit_data);
-/* For reference here a quick summary of the relocations found in the
- HPUX 11.00 PA64 .o and .a files, but not yet implemented. This is mostly
- a guide to help prioritize what relocation support is worked on first.
- The list will be deleted eventually.
-
- 27210 R_PARISC_SEGREL32
- 772 R_PARISC_PLTOFF14DR
- 386 R_PARISC_PLTOFF21L
- 6 R_PARISC_LTOFF64
- 5 R_PARISC_SEGREL64 */
-
switch (r_type)
{
case R_PARISC_NONE:
/* If this is a call to a function defined in another dynamic
library, then redirect the call to the local stub for this
function. */
- if (sym_sec->output_section == NULL)
- value = dyn_h->stub_offset;
+ if (sym_sec == NULL || sym_sec->output_section == NULL)
+ value = (dyn_h->stub_offset + hppa_info->stub_sec->output_offset
+ + hppa_info->stub_sec->output_section->vma);
/* Turn VALUE into a proper PC relative address. */
value -= (offset + input_section->output_offset
/* If this is a call to a function defined in another dynamic
library, then redirect the call to the local stub for this
function. */
- if (sym_sec->output_section == NULL)
- value = dyn_h->stub_offset;
+ if (sym_sec == NULL || sym_sec->output_section == NULL)
+ value = (dyn_h->stub_offset + hppa_info->stub_sec->output_offset
+ + hppa_info->stub_sec->output_section->vma);
/* Turn VALUE into a proper PC relative address. */
value -= (offset + input_section->output_offset
case R_PARISC_LTOFF_TP16F:
case R_PARISC_LTOFF_TP16WF:
case R_PARISC_LTOFF_TP16DF:
+ case R_PARISC_LTOFF16F:
+ case R_PARISC_LTOFF16WF:
+ case R_PARISC_LTOFF16DF:
{
+ /* If this relocation was against a local symbol, then we still
+ have not set up the DLT entry (it's not convienent to do so
+ in the "finalize_dlt" routine because it is difficult to get
+ to the local symbol's value).
+
+ So, if this is a local symbol (h == NULL), then we need to
+ 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
- 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
|| r_type == R_PARISC_LTOFF_FPTR16F
|| r_type == R_PARISC_LTOFF_FPTR16WF
|| r_type == R_PARISC_LTOFF_FPTR16DF
+ || r_type == R_PARISC_LTOFF16F
+ || r_type == R_PARISC_LTOFF16DF
+ || r_type == R_PARISC_LTOFF16WF
|| r_type == R_PARISC_LTOFF_TP16F
|| r_type == R_PARISC_LTOFF_TP16WF
|| r_type == R_PARISC_LTOFF_TP16DF)
break;
}
+ case R_PARISC_DIR21L:
+ case R_PARISC_DIR17R:
+ case R_PARISC_DIR17F:
+ case R_PARISC_DIR14R:
+ case R_PARISC_DIR14WR:
+ case R_PARISC_DIR14DR:
+ case R_PARISC_DIR16F:
+ case R_PARISC_DIR16WF:
+ case R_PARISC_DIR16DF:
+ {
+ /* All DIR relocations are basically the same at this point,
+ except that we need different field selectors for the 21bit
+ version vs the 14bit versions. */
+ if (r_type == R_PARISC_DIR21L)
+ value = hppa_field_adjust (value, addend, e_lrsel);
+ else if (r_type == R_PARISC_DIR17F
+ || r_type == R_PARISC_DIR16F
+ || r_type == R_PARISC_DIR16WF
+ || r_type == R_PARISC_DIR16DF)
+ value = hppa_field_adjust (value, addend, e_fsel);
+ else
+ value = hppa_field_adjust (value, addend, e_rrsel);
+
+ insn = elf_hppa_relocate_insn (insn, value, r_type);
+ break;
+ }
+
+ case R_PARISC_PLTOFF21L:
+ case R_PARISC_PLTOFF14R:
+ case R_PARISC_PLTOFF14F:
+ case R_PARISC_PLTOFF14WR:
+ case R_PARISC_PLTOFF14DR:
+ case R_PARISC_PLTOFF16F:
+ case R_PARISC_PLTOFF16WF:
+ case R_PARISC_PLTOFF16DF:
+ {
+ /* We want the value of the PLT 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->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
+ version vs the 14bit versions. */
+ if (r_type == R_PARISC_PLTOFF21L)
+ value = hppa_field_adjust (value, addend, e_lrsel);
+ else if (r_type == R_PARISC_PLTOFF14F
+ || r_type == R_PARISC_PLTOFF16F
+ || r_type == R_PARISC_PLTOFF16WF
+ || r_type == R_PARISC_PLTOFF16DF)
+ value = hppa_field_adjust (value, addend, e_fsel);
+ else
+ value = hppa_field_adjust (value, addend, e_rrsel);
+
+ insn = elf_hppa_relocate_insn (insn, value, r_type);
+ break;
+ }
+
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;
+ 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;
}
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;
+ 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;
}
bfd_put_64 (input_bfd, value + addend, hit_data);
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. 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;
+
case R_PARISC_PCREL32:
{
/* If this is a call to a function defined in another dynamic
library, then redirect the call to the local stub for this
function. */
- if (sym_sec->output_section == NULL)
- value = dyn_h->stub_offset;
+ if (sym_sec == NULL || sym_sec->output_section == NULL)
+ value = (dyn_h->stub_offset + hppa_info->stub_sec->output_offset
+ + hppa_info->stub_sec->output_section->vma);
/* Turn VALUE into a proper PC relative address. */
value -= (offset + input_section->output_offset
/* If this is a call to a function defined in another dynamic
library, then redirect the call to the local stub for this
function. */
- if (sym_sec->output_section == NULL)
- value = dyn_h->stub_offset;
+ if (sym_sec == NULL || sym_sec->output_section == NULL)
+ value = (dyn_h->stub_offset + hppa_info->stub_sec->output_offset
+ + hppa_info->stub_sec->output_section->vma);
+
/* Turn VALUE into a proper PC relative address. */
value -= (offset + input_section->output_offset
}
- /* These do not require any work here. They are simply passed
- through as dynamic relocations. */
case R_PARISC_FPTR64:
+ {
+ /* 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;
+ }
+
+ case R_PARISC_SECREL32:
+ bfd_put_32 (input_bfd,
+ (value + addend
+ - sym_sec->output_section->vma),
+ hit_data);
return bfd_reloc_ok;
+ case R_PARISC_SEGREL32:
+ case R_PARISC_SEGREL64:
+ {
+ /* If this is the first SEGREL relocation, then initialize
+ the segment base values. */
+ if (hppa_info->text_segment_base == (bfd_vma) -1)
+ bfd_map_over_sections (output_bfd, elf_hppa_record_segment_addrs,
+ elf64_hppa_hash_table (info));
+
+ /* VALUE holds the absolute address. We want to include the
+ addend, then turn it into a segment relative address.
+
+ The segment is derived from SYM_SEC. We assume that there are
+ only two segments of note in the resulting executable/shlib.
+ A readonly segment (.text) and a readwrite segment (.data). */
+ value += addend;
+
+ if (sym_sec->flags & SEC_CODE)
+ value -= hppa_info->text_segment_base;
+ else
+ value -= hppa_info->data_segment_base;
+
+ if (r_type == R_PARISC_SEGREL32)
+ bfd_put_32 (input_bfd, value, hit_data);
+ else
+ bfd_put_64 (input_bfd, value, hit_data);
+ return bfd_reloc_ok;
+ }
+
+
/* Something we don't know how to handle. */
default:
- /* ?!? This is temporary as we flesh out basic linker support, once
- the basic support is functional we will return the not_supported
- error conditional appropriately. */
-#if 0
- return bfd_reloc_not_supported;
-#else
- return bfd_reloc_ok;
-#endif
+ return bfd_reloc_notsupported;
}
/* Update the instruction word. */
long sym_value;
unsigned long r_type;
{
- long constant_value;
-
switch (r_type)
{
/* This is any 22bit branch. In PA2.0 syntax it corresponds to
the "B" instruction as well as BE. */
case R_PARISC_PCREL17F:
case R_PARISC_DIR17F:
+ case R_PARISC_DIR17R:
case R_PARISC_PCREL17C:
case R_PARISC_PCREL17R:
{
case R_PARISC_PCREL21L:
case R_PARISC_LTOFF_TP21L:
case R_PARISC_DPREL21L:
+ case R_PARISC_PLTOFF21L:
+ case R_PARISC_DIR21L:
{
int w;
case R_PARISC_DPREL14R:
case R_PARISC_DPREL14F:
case R_PARISC_GPREL16F:
+ case R_PARISC_PLTOFF14R:
+ case R_PARISC_PLTOFF14F:
+ case R_PARISC_PLTOFF16F:
+ case R_PARISC_DIR14R:
+ case R_PARISC_DIR16F:
+ case R_PARISC_LTOFF16F:
{
int w;
case R_PARISC_LTOFF_TP16DF:
case R_PARISC_DPREL14DR:
case R_PARISC_GPREL16DF:
+ case R_PARISC_PLTOFF14DR:
+ case R_PARISC_PLTOFF16DF:
+ case R_PARISC_DIR14DR:
+ case R_PARISC_DIR16DF:
+ case R_PARISC_LTOFF16DF:
{
- int w;
-
/* Mask off bits in INSN we do not want. */
insn &= 0xffffc00e;
case R_PARISC_LTOFF_TP16WF:
case R_PARISC_DPREL14WR:
case R_PARISC_GPREL16WF:
+ case R_PARISC_PLTOFF14WR:
+ case R_PARISC_PLTOFF16WF:
+ case R_PARISC_DIR16WF:
+ case R_PARISC_DIR14WR:
+ case R_PARISC_LTOFF16WF:
{
- int w;
-
/* Mask off bits in INSN we do not want. */
insn &= 0xffffc006;
return insn | sym_value;
}
-
default:
return insn;
}
projects / deliverable / binutils-gdb.git / blobdiff