* elf.c (bfd_elf_set_group_contents): Ignore linker created
group section.
+ (assign_section_numbers): Accept link_info. Check SHT_GROUP
+ sections for relocatable files only. Remove the linker created
+ group sections.
+ (_bfd_elf_compute_section_file_positions): Pass link_info to
+ assign_section_numbers.
+
+ * elfxx-ia64.c (elfNN_ia64_object_p): New.
+ (elf_backend_object_p): Defined.
2005-04-04 H.J. Lu <hongjiu.lu@intel.com>
in here too, while we're at it. */
static bfd_boolean
-assign_section_numbers (bfd *abfd)
+assign_section_numbers (bfd *abfd, struct bfd_link_info *link_info)
{
struct elf_obj_tdata *t = elf_tdata (abfd);
asection *sec;
_bfd_elf_strtab_clear_all_refs (elf_shstrtab (abfd));
- /* Put SHT_GROUP sections first. */
- for (sec = abfd->sections; sec; sec = sec->next)
+ /* SHT_GROUP sections are in relocatable files only. */
+ if (link_info == NULL || link_info->relocatable)
{
- d = elf_section_data (sec);
+ asection **secp;
- if (d->this_hdr.sh_type == SHT_GROUP)
+ /* Put SHT_GROUP sections first. */
+ secp = &abfd->sections;
+ while (*secp)
{
- if (section_number == SHN_LORESERVE)
- section_number += SHN_HIRESERVE + 1 - SHN_LORESERVE;
- d->this_idx = section_number++;
+ d = elf_section_data (*secp);
+
+ if (d->this_hdr.sh_type == SHT_GROUP)
+ {
+ if ((*secp)->flags & SEC_LINKER_CREATED)
+ {
+ /* Remove the linker created SHT_GROUP sections. */
+ bfd_section_list_remove (abfd, secp);
+ abfd->section_count--;
+ continue;
+ }
+ else
+ {
+ if (section_number == SHN_LORESERVE)
+ section_number += SHN_HIRESERVE + 1 - SHN_LORESERVE;
+ d->this_idx = section_number++;
+ }
+ }
+
+ secp = &(*secp)->next;
}
}
if (failed)
return FALSE;
- if (!assign_section_numbers (abfd))
+ if (!assign_section_numbers (abfd, link_info))
return FALSE;
/* The backend linker builds symbol table information itself. */
{ NULL, 0, 0, 0, 0 }
};
+static bfd_boolean
+elfNN_ia64_object_p (bfd *abfd)
+{
+ asection *sec;
+ asection **tail;
+ asection *group, *unwi, *unw;
+ flagword flags;
+ const char *name;
+ char *unwi_name, *unw_name;
+ bfd_size_type amt;
+
+ if (abfd->flags & DYNAMIC)
+ return TRUE;
+
+ /* Flags for fake group section. */
+ flags = (SEC_LINKER_CREATED | SEC_GROUP | SEC_LINK_ONCE
+ | SEC_EXCLUDE);
+
+ /* We add a fake section group for each .gnu.linkonce.t.* section,
+ which isn't in a section group, and its unwind sections. */
+ for (sec = abfd->sections; sec != NULL; sec = sec->next)
+ {
+ 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)
+ {
+ name = sec->name + 16;
+
+ amt = strlen (name) + sizeof (".gnu.linkonce.ia64unwi.");
+ unwi_name = bfd_alloc (abfd, amt);
+ if (!unwi_name)
+ return FALSE;
+
+ strcpy (stpcpy (unwi_name, ".gnu.linkonce.ia64unwi."), name);
+ unwi = bfd_get_section_by_name (abfd, unwi_name);
+
+ amt = strlen (name) + sizeof (".gnu.linkonce.ia64unw.");
+ unw_name = bfd_alloc (abfd, amt);
+ if (!unw_name)
+ return FALSE;
+
+ strcpy (stpcpy (unw_name, ".gnu.linkonce.ia64unw."), name);
+ unw = bfd_get_section_by_name (abfd, unw_name);
+
+ tail = abfd->section_tail;
+
+ /* We need to create a fake group section for it and its
+ unwind sections. */
+ group = bfd_make_section_anyway (abfd, name);
+ if (group == NULL
+ || ! bfd_set_section_flags (abfd, group, flags))
+ return FALSE;
+
+ /* Move the fake group section to the beginning. */
+ BFD_ASSERT (*tail == group);
+ bfd_section_list_remove (abfd, tail);
+ bfd_section_list_insert (abfd, &abfd->sections, group);
+
+ elf_next_in_group (group) = sec;
+
+ elf_group_name (sec) = name;
+ elf_next_in_group (sec) = sec;
+ elf_sec_group (sec) = group;
+
+ if (unwi)
+ {
+ elf_group_name (unwi) = name;
+ elf_next_in_group (unwi) = sec;
+ elf_next_in_group (sec) = unwi;
+ elf_sec_group (unwi) = group;
+ }
+
+ if (unw)
+ {
+ elf_group_name (unw) = name;
+ if (unwi)
+ {
+ elf_next_in_group (unw) = elf_next_in_group (unwi);
+ elf_next_in_group (unwi) = unw;
+ }
+ else
+ {
+ elf_next_in_group (unw) = sec;
+ elf_next_in_group (sec) = unw;
+ }
+ elf_sec_group (unw) = group;
+ }
+
+ /* Fake SHT_GROUP section header. */
+ elf_section_data (group)->this_hdr.bfd_section = group;
+ elf_section_data (group)->this_hdr.sh_type = SHT_GROUP;
+ }
+ }
+ return TRUE;
+}
+
static bfd_boolean
elfNN_ia64_hpux_vec (const bfd_target *vec)
{
#define bfd_elfNN_bfd_relax_section \
elfNN_ia64_relax_section
+#define elf_backend_object_p \
+ elfNN_ia64_object_p
+
/* Stuff for the BFD linker: */
#define bfd_elfNN_bfd_link_hash_table_create \
elfNN_ia64_hash_table_create
+2005-04-04 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/tc-ia64.c (start_unwind_section): Undo the change
+ of 2004-08-18.
+ (generate_unwind_image, dot_endp): Likewise.
+
2005-04-01 David Mosberger <davidm@hpl.hp.com>
* config/tc-ia64.c (ia64_handle_align): Move le_nop and
};
static void
-start_unwind_section (const segT text_seg, int sec_index, int linkonce_empty)
+start_unwind_section (const segT text_seg, int sec_index)
{
/*
Use a slightly ugly scheme to derive the unwind section names from
prefix = special_linkonce_name [sec_index - SPECIAL_SECTION_UNWIND];
suffix += sizeof (".gnu.linkonce.t.") - 1;
}
- else if (linkonce_empty)
- return;
prefix_len = strlen (prefix);
suffix_len = strlen (suffix);
expressionS exp;
bfd_reloc_code_real_type reloc;
- start_unwind_section (text_seg, SPECIAL_SECTION_UNWIND_INFO, 0);
+ start_unwind_section (text_seg, SPECIAL_SECTION_UNWIND_INFO);
/* Make sure the section has 4 byte alignment for ILP32 and
8 byte alignment for LP64. */
unwind.personality_routine = 0;
}
}
- else
- start_unwind_section (text_seg, SPECIAL_SECTION_UNWIND_INFO, 1);
free_saved_prologue_counts ();
unwind.list = unwind.tail = unwind.current_entry = NULL;
subseg_set (md.last_text_seg, 0);
proc_end = expr_build_dot ();
- start_unwind_section (saved_seg, SPECIAL_SECTION_UNWIND, 0);
+ start_unwind_section (saved_seg, SPECIAL_SECTION_UNWIND);
/* Make sure that section has 4 byte alignment for ILP32 and
8 byte alignment for LP64. */
bytes_per_address);
}
- else
- start_unwind_section (saved_seg, SPECIAL_SECTION_UNWIND, 1);
-
subseg_set (saved_seg, saved_subseg);
if (unwind.proc_start)
projects / binutils-gdb.git / commitdiff