/* BFD back-end for HP PA-RISC ELF files.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1999, 2000, 2001,
- 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+ 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
Original code by
i_ehdrp = elf_elfheader (abfd);
if (strcmp (bfd_get_target (abfd), "elf32-hppa-linux") == 0)
{
- /* GCC on hppa-linux produces binaries with OSABI=Linux,
+ /* GCC on hppa-linux produces binaries with OSABI=GNU,
but the kernel produces corefiles with OSABI=SysV. */
- if (i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_LINUX &&
+ if (i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_GNU &&
i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_NONE) /* aka SYSV */
return FALSE;
}
}
}
- if (! hppa_elf_hash_entry (eh)->plabel)
+ /* STT_GNU_IFUNC symbol must go through PLT. */
+ if (! hppa_elf_hash_entry (eh)->plabel
+ && eh->type != STT_GNU_IFUNC)
{
eh->needs_plt = 0;
- eh->plt = elf_hash_table (info)->init_plt_refcount;
+ eh->plt = elf_hash_table (info)->init_plt_offset;
}
}
if (eh->type == STT_FUNC
|| eh->needs_plt)
{
+ /* If the symbol is used by a plabel, we must allocate a PLT slot.
+ The refcounts are not reliable when it has been hidden since
+ hide_symbol can be called before the plabel flag is set. */
+ if (hppa_elf_hash_entry (eh)->plabel
+ && eh->plt.refcount <= 0)
+ eh->plt.refcount = 1;
+
if (eh->plt.refcount <= 0
|| (eh->def_regular
&& eh->root.type != bfd_link_hash_defweak
if (eh->root.type == bfd_link_hash_indirect)
return TRUE;
- if (eh->root.type == bfd_link_hash_warning)
- eh = (struct elf_link_hash_entry *) eh->root.u.i.link;
-
info = (struct bfd_link_info *) inf;
hh = hppa_elf_hash_entry (eh);
htab = hppa_link_hash_table (info);
if (eh->root.type == bfd_link_hash_indirect)
return TRUE;
- if (eh->root.type == bfd_link_hash_warning)
- eh = (struct elf_link_hash_entry *) eh->root.u.i.link;
-
info = inf;
htab = hppa_link_hash_table (info);
if (htab == NULL)
clobber_millicode_symbols (struct elf_link_hash_entry *eh,
struct bfd_link_info *info)
{
- if (eh->root.type == bfd_link_hash_warning)
- eh = (struct elf_link_hash_entry *) eh->root.u.i.link;
-
if (eh->type == STT_PARISC_MILLI
&& !eh->forced_local)
{
struct elf32_hppa_link_hash_entry *hh;
struct elf32_hppa_dyn_reloc_entry *hdh_p;
- if (eh->root.type == bfd_link_hash_warning)
- eh = (struct elf_link_hash_entry *) eh->root.u.i.link;
-
hh = hppa_elf_hash_entry (eh);
for (hdh_p = hh->dyn_relocs; hdh_p != NULL; hdh_p = hdh_p->hdh_next)
{
switch (r_type)
{
case R_PARISC_DLTIND21L:
+ case R_PARISC_TLS_GD21L:
+ case R_PARISC_TLS_LDM21L:
+ case R_PARISC_TLS_IE21L:
r_type = R_PARISC_DPREL21L;
break;
case R_PARISC_DLTIND14R:
+ case R_PARISC_TLS_GD14R:
+ case R_PARISC_TLS_LDM14R:
+ case R_PARISC_TLS_IE14R:
r_type = R_PARISC_DPREL14R;
break;
case R_PARISC_DPREL21L:
case R_PARISC_DPREL14R:
case R_PARISC_DPREL14F:
- case R_PARISC_TLS_GD21L:
- case R_PARISC_TLS_LDM21L:
- case R_PARISC_TLS_IE21L:
/* Convert instructions that use the linkage table pointer (r19) to
instructions that use the global data pointer (dp). This is the
most efficient way of using PIC code in an incomplete executable,
but the user must follow the standard runtime conventions for
accessing data for this to work. */
- if (orig_r_type == R_PARISC_DLTIND21L
- || (!info->shared
- && (r_type == R_PARISC_TLS_GD21L
- || r_type == R_PARISC_TLS_LDM21L
- || r_type == R_PARISC_TLS_IE21L)))
- {
- /* Convert addil instructions if the original reloc was a
- DLTIND21L. GCC sometimes uses a register other than r19 for
- the operation, so we must convert any addil instruction
- that uses this relocation. */
- if ((insn & 0xfc000000) == ((int) OP_ADDIL << 26))
- insn = ADDIL_DP;
- else
- /* We must have a ldil instruction. It's too hard to find
- and convert the associated add instruction, so issue an
- error. */
- (*_bfd_error_handler)
- (_("%B(%A+0x%lx): %s fixup for insn 0x%x is not supported in a non-shared link"),
- input_bfd,
- input_section,
- (long) offset,
- howto->name,
- insn);
- }
- else if (orig_r_type == R_PARISC_DLTIND14F)
+ if (orig_r_type != r_type)
{
- /* This must be a format 1 load/store. Change the base
- register to dp. */
- insn = (insn & 0xfc1ffff) | (27 << 21);
+ if (r_type == R_PARISC_DPREL21L)
+ {
+ /* GCC sometimes uses a register other than r19 for the
+ operation, so we must convert any addil instruction
+ that uses this relocation. */
+ if ((insn & 0xfc000000) == ((int) OP_ADDIL << 26))
+ insn = ADDIL_DP;
+ else
+ /* We must have a ldil instruction. It's too hard to find
+ and convert the associated add instruction, so issue an
+ error. */
+ (*_bfd_error_handler)
+ (_("%B(%A+0x%lx): %s fixup for insn 0x%x is not supported in a non-shared link"),
+ input_bfd,
+ input_section,
+ (long) offset,
+ howto->name,
+ insn);
+ }
+ else if (r_type == R_PARISC_DPREL14F)
+ {
+ /* This must be a format 1 load/store. Change the base
+ register to dp. */
+ insn = (insn & 0xfc1ffff) | (27 << 21);
+ }
}
- /* For all the DP relative relocations, we need to examine the symbol's
- section. If it has no section or if it's a code section, then
- "data pointer relative" makes no sense. In that case we don't
- adjust the "value", and for 21 bit addil instructions, we change the
- source addend register from %dp to %r0. This situation commonly
- arises for undefined weak symbols and when a variable's "constness"
- is declared differently from the way the variable is defined. For
- instance: "extern int foo" with foo defined as "const int foo". */
+ /* For all the DP relative relocations, we need to examine the symbol's
+ section. If it has no section or if it's a code section, then
+ "data pointer relative" makes no sense. In that case we don't
+ adjust the "value", and for 21 bit addil instructions, we change the
+ source addend register from %dp to %r0. This situation commonly
+ arises for undefined weak symbols and when a variable's "constness"
+ is declared differently from the way the variable is defined. For
+ instance: "extern int foo" with foo defined as "const int foo". */
if (sym_sec == NULL || (sym_sec->flags & SEC_CODE) != 0)
{
if ((insn & ((0x3f << 26) | (0x1f << 21)))
case R_PARISC_DLTIND21L:
case R_PARISC_DLTIND14R:
case R_PARISC_DLTIND14F:
+ case R_PARISC_TLS_GD21L:
+ case R_PARISC_TLS_LDM21L:
+ case R_PARISC_TLS_IE21L:
case R_PARISC_TLS_GD14R:
case R_PARISC_TLS_LDM14R:
case R_PARISC_TLS_IE14R:
}
if (sym_sec != NULL && elf_discarded_section (sym_sec))
- {
- /* For relocs against symbols from removed linkonce
- sections, or sections discarded by a linker script,
- we just want the section contents zeroed. Avoid any
- special processing. */
- _bfd_clear_contents (elf_hppa_howto_table + r_type, input_bfd,
- contents + rela->r_offset);
- rela->r_info = 0;
- rela->r_addend = 0;
- continue;
- }
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rela, relend,
+ elf_hppa_howto_table + r_type,
+ contents);
if (info->relocatable)
continue;
bfd *dynobj;
struct elf32_hppa_link_hash_table *htab;
asection *sdyn;
+ asection * sgot;
htab = hppa_link_hash_table (info);
if (htab == NULL)
dynobj = htab->etab.dynobj;
+ sgot = htab->sgot;
+ /* A broken linker script might have discarded the dynamic sections.
+ Catch this here so that we do not seg-fault later on. */
+ if (sgot != NULL && bfd_is_abs_section (sgot->output_section))
+ return FALSE;
+
sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
if (htab->etab.dynamic_sections_created)
}
}
- if (htab->sgot != NULL && htab->sgot->size != 0)
+ if (sgot != NULL && sgot->size != 0)
{
/* Fill in the first entry in the global offset table.
We use it to point to our dynamic section, if we have one. */
bfd_put_32 (output_bfd,
sdyn ? sdyn->output_section->vma + sdyn->output_offset : 0,
- htab->sgot->contents);
+ sgot->contents);
/* The second entry is reserved for use by the dynamic linker. */
- memset (htab->sgot->contents + GOT_ENTRY_SIZE, 0, GOT_ENTRY_SIZE);
+ memset (sgot->contents + GOT_ENTRY_SIZE, 0, GOT_ENTRY_SIZE);
/* Set .got entry size. */
- elf_section_data (htab->sgot->output_section)
+ elf_section_data (sgot->output_section)
->this_hdr.sh_entsize = GOT_ENTRY_SIZE;
}
if ((htab->splt->output_offset
+ htab->splt->output_section->vma
+ htab->splt->size)
- != (htab->sgot->output_offset
- + htab->sgot->output_section->vma))
+ != (sgot->output_offset
+ + sgot->output_section->vma))
{
(*_bfd_error_handler)
(_(".got section not immediately after .plt section"));
#undef TARGET_BIG_NAME
#define TARGET_BIG_NAME "elf32-hppa-linux"
#undef ELF_OSABI
-#define ELF_OSABI ELFOSABI_LINUX
+#define ELF_OSABI ELFOSABI_GNU
#undef elf32_bed
#define elf32_bed elf32_hppa_linux_bed
projects / external / binutils.git / blobdiff