PARAMS ((bfd *abfd, struct bfd_link_info *info, Elf_Internal_Sym *sym,
const char **namep, flagword *flagsp, asection **secp,
bfd_vma *valp));
-static int elfNN_ia64_additional_program_headers
- PARAMS ((bfd *abfd));
-static bfd_boolean elfNN_ia64_modify_segment_map
- PARAMS ((bfd *, struct bfd_link_info *));
static bfd_boolean elfNN_ia64_is_local_label_name
PARAMS ((bfd *abfd, const char *name));
static bfd_boolean elfNN_ia64_dynamic_symbol_p
bfd_putl64 (t0, hit_addr);
bfd_putl64 (t1, hit_addr + 8);
}
+
+/* Rename some of the generic section flags to better document how they
+ are used here. */
+#define skip_relax_pass_0 need_finalize_relax
+#define skip_relax_pass_1 has_gp_reloc
+
\f
/* These functions do relaxation for IA-64 ELF. */
bfd_boolean changed_contents = FALSE;
bfd_boolean changed_relocs = FALSE;
bfd_boolean changed_got = FALSE;
+ bfd_boolean skip_relax_pass_0 = TRUE;
+ bfd_boolean skip_relax_pass_1 = TRUE;
bfd_vma gp = 0;
/* Assume we're not going to change any sizes, and we'll only need
return FALSE;
/* Nothing to do if there are no relocations or there is no need for
- the relax finalize pass. */
+ the current pass. */
if ((sec->flags & SEC_RELOC) == 0
|| sec->reloc_count == 0
- || (!link_info->need_relax_finalize
- && sec->need_finalize_relax == 0))
+ || (link_info->relax_pass == 0 && sec->skip_relax_pass_0)
+ || (link_info->relax_pass == 1 && sec->skip_relax_pass_1))
return TRUE;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
case R_IA64_PCREL21BI:
case R_IA64_PCREL21M:
case R_IA64_PCREL21F:
- /* In the finalize pass, all br relaxations are done. We can
- skip it. */
- if (!link_info->need_relax_finalize)
+ /* In pass 1, all br relaxations are done. We can skip it. */
+ if (link_info->relax_pass == 1)
continue;
+ skip_relax_pass_0 = FALSE;
is_branch = TRUE;
break;
case R_IA64_PCREL60B:
- /* We can't optimize brl to br before the finalize pass since
- br relaxations will increase the code size. Defer it to
- the finalize pass. */
- if (link_info->need_relax_finalize)
+ /* We can't optimize brl to br in pass 0 since br relaxations
+ will increase the code size. Defer it to pass 1. */
+ if (link_info->relax_pass == 0)
{
- sec->need_finalize_relax = 1;
+ skip_relax_pass_1 = FALSE;
continue;
}
is_branch = TRUE;
case R_IA64_LTOFF22X:
case R_IA64_LDXMOV:
- /* We can't relax ldx/mov before the finalize pass since
- br relaxations will increase the code size. Defer it to
- the finalize pass. */
- if (link_info->need_relax_finalize)
+ /* We can't relax ldx/mov in pass 0 since br relaxations will
+ increase the code size. Defer it to pass 1. */
+ if (link_info->relax_pass == 0)
{
- sec->need_finalize_relax = 1;
+ skip_relax_pass_1 = FALSE;
continue;
}
is_branch = FALSE;
}
}
- if (!link_info->need_relax_finalize)
- sec->need_finalize_relax = 0;
+ if (link_info->relax_pass == 0)
+ {
+ /* Pass 0 is only needed to relax br. */
+ sec->skip_relax_pass_0 = skip_relax_pass_0;
+ sec->skip_relax_pass_1 = skip_relax_pass_1;
+ }
*again = changed_contents || changed_relocs;
return TRUE;
free (internal_relocs);
return FALSE;
}
+#undef skip_relax_pass_0
+#undef skip_relax_pass_1
static void
elfNN_ia64_relax_ldxmov (contents, off)
/* Return TRUE if NAME is an unwind table section name. */
static inline bfd_boolean
-is_unwind_section_name (abfd, name)
- bfd *abfd;
- const char *name;
+is_unwind_section_name (bfd *abfd, const char *name)
{
- size_t len1, len2, len3;
-
if (elfNN_ia64_hpux_vec (abfd->xvec)
&& !strcmp (name, ELF_STRING_ia64_unwind_hdr))
return FALSE;
- len1 = sizeof (ELF_STRING_ia64_unwind) - 1;
- len2 = sizeof (ELF_STRING_ia64_unwind_info) - 1;
- len3 = sizeof (ELF_STRING_ia64_unwind_once) - 1;
- return ((strncmp (name, ELF_STRING_ia64_unwind, len1) == 0
- && strncmp (name, ELF_STRING_ia64_unwind_info, len2) != 0)
- || strncmp (name, ELF_STRING_ia64_unwind_once, len3) == 0);
+ return ((CONST_STRNEQ (name, ELF_STRING_ia64_unwind)
+ && ! CONST_STRNEQ (name, ELF_STRING_ia64_unwind_info))
+ || CONST_STRNEQ (name, ELF_STRING_ia64_unwind_once));
}
/* Handle an IA-64 specific section when reading an object file. This
/* Return the number of additional phdrs we will need. */
static int
-elfNN_ia64_additional_program_headers (abfd)
- bfd *abfd;
+elfNN_ia64_additional_program_headers (bfd *abfd,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
{
asection *s;
int ret = 0;
}
static bfd_boolean
-elfNN_ia64_modify_segment_map (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
+elfNN_ia64_modify_segment_map (bfd *abfd,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
{
struct elf_segment_map *m, **pm;
Elf_Internal_Shdr *hdr;
}
}
- /* Turn on PF_IA_64_NORECOV if needed. This involves traversing all of
- the input sections for each output section in the segment and testing
- for SHF_IA_64_NORECOV on each. */
- for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next)
+ return TRUE;
+}
+
+/* Turn on PF_IA_64_NORECOV if needed. This involves traversing all of
+ the input sections for each output section in the segment and testing
+ for SHF_IA_64_NORECOV on each. */
+
+static bfd_boolean
+elfNN_ia64_modify_program_headers (bfd *abfd,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+ struct elf_obj_tdata *tdata = elf_tdata (abfd);
+ struct elf_segment_map *m;
+ Elf_Internal_Phdr *p;
+
+ for (p = tdata->phdr, m = tdata->segment_map; m != NULL; m = m->next, p++)
if (m->p_type == PT_LOAD)
{
int i;
for (i = m->count - 1; i >= 0; --i)
{
struct bfd_link_order *order = m->sections[i]->map_head.link_order;
- while (order)
+
+ while (order != NULL)
{
if (order->type == bfd_indirect_link_order)
{
bfd_vma flags = elf_section_data(is)->this_hdr.sh_flags;
if (flags & SHF_IA_64_NORECOV)
{
- m->p_flags |= PF_IA_64_NORECOV;
+ p->p_flags |= PF_IA_64_NORECOV;
goto found;
}
}
const struct elfNN_ia64_dyn_sym_info *y
= (const struct elfNN_ia64_dyn_sym_info *) yp;
- return x->addend - y->addend;
+ return x->addend < y->addend ? -1 : x->addend > y->addend ? 1 : 0;
}
/* Sort elfNN_ia64_dyn_sym_info array and remove duplicates. */
if (srel_name == NULL)
return NULL;
- BFD_ASSERT ((strncmp (srel_name, ".rela", 5) == 0
+ BFD_ASSERT ((CONST_STRNEQ (srel_name, ".rela")
&& strcmp (bfd_get_section_name (abfd, sec),
srel_name+5) == 0)
- || (strncmp (srel_name, ".rel", 4) == 0
+ || (CONST_STRNEQ (srel_name, ".rel")
&& strcmp (bfd_get_section_name (abfd, sec),
srel_name+4) == 0));
have yet been processed. Do something with what we know, as
this may help reduce memory usage and processing time later. */
maybe_dynamic = (h && ((!info->executable
- && (!info->symbolic
+ && (!SYMBOLIC_BIND (info, h)
|| info->unresolved_syms_in_shared_libs == RM_IGNORE))
|| !h->def_regular
|| h->root.type == bfd_link_hash_defweak));
have yet been processed. Do something with what we know, as
this may help reduce memory usage and processing time later. */
maybe_dynamic = (h && ((!info->executable
- && (!info->symbolic
+ && (!SYMBOLIC_BIND (info, h)
|| info->unresolved_syms_in_shared_libs == RM_IGNORE))
|| !h->def_regular
|| h->root.type == bfd_link_hash_defweak));
if (strcmp (name, ".got.plt") == 0)
strip = FALSE;
- else if (strncmp (name, ".rel", 4) == 0)
+ else if (CONST_STRNEQ (name, ".rel"))
{
if (!strip)
{
continue;
lo = os->vma;
- hi = os->vma + os->size;
+ hi = os->vma + (os->rawsize ? os->rawsize : os->size);
if (hi < lo)
hi = (bfd_vma) -1;
case R_IA64_LTV32LSB:
case R_IA64_LTV64MSB:
case R_IA64_LTV64LSB:
+ /* r_symndx will be zero only for relocs against symbols
+ from removed linkonce sections, or sections discarded by
+ a linker script. */
+ if (r_symndx == 0)
+ value = 0;
+
r = elfNN_ia64_install_value (hit_addr, value, r_type);
break;
static const struct bfd_elf_special_section elfNN_ia64_special_sections[] =
{
- { ".sbss", 5, -1, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
- { ".sdata", 6, -1, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
- { NULL, 0, 0, 0, 0 }
+ { STRING_COMMA_LEN (".sbss"), -1, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
+ { STRING_COMMA_LEN (".sdata"), -1, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
+ { NULL, 0, 0, 0, 0 }
};
static bfd_boolean
if (elf_sec_group (sec) == NULL
&& ((sec->flags & (SEC_LINK_ONCE | SEC_CODE | SEC_GROUP))
== (SEC_LINK_ONCE | SEC_CODE))
- && strncmp (sec->name, ".gnu.linkonce.t.", 16) == 0)
+ && CONST_STRNEQ (sec->name, ".gnu.linkonce.t."))
{
name = sec->name + 16;
#define ELF_MACHINE_ALT1 1999 /* EAS2.3 */
#define ELF_MACHINE_ALT2 1998 /* EAS2.2 */
#define ELF_MAXPAGESIZE 0x10000 /* 64KB */
+#define ELF_COMMONPAGESIZE 0x4000 /* 16KB */
#define elf_backend_section_from_shdr \
elfNN_ia64_section_from_shdr
elfNN_ia64_additional_program_headers
#define elf_backend_modify_segment_map \
elfNN_ia64_modify_segment_map
+#define elf_backend_modify_program_headers \
+ elfNN_ia64_modify_program_headers
#define elf_info_to_howto \
elfNN_ia64_info_to_howto
elfNN_ia64_adjust_dynamic_symbol
#define elf_backend_size_dynamic_sections \
elfNN_ia64_size_dynamic_sections
+#define elf_backend_omit_section_dynsym \
+ ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
#define elf_backend_relocate_section \
elfNN_ia64_relocate_section
#define elf_backend_finish_dynamic_symbol \
#define elf_backend_want_p_paddr_set_to_zero 1
#undef ELF_MAXPAGESIZE
-#define ELF_MAXPAGESIZE 0x1000 /* 1K */
+#define ELF_MAXPAGESIZE 0x1000 /* 4K */
+#undef ELF_COMMONPAGESIZE
#undef elfNN_bed
#define elfNN_bed elfNN_ia64_hpux_bed
projects / deliverable / binutils-gdb.git / blobdiff