struct bfd_link_needed_list *l;
for (l = needed; l != NULL; l = l->next)
- if (strncmp (l->name, "libc.so", 7) == 0)
+ if (CONST_STRNEQ (l->name, "libc.so"))
break;
if (l == NULL)
{
if (p[0] == '\0')
continue;
- if (!strncmp (p, "include", 7) && (p[7] == ' ' || p[7] == '\t'))
+ if (CONST_STRNEQ (p, "include") && (p[7] == ' ' || p[7] == '\t'))
{
char *dir, c;
p += 8;
{
struct bfd_link_needed_list *needed, *l;
+ if (link_info.eh_frame_hdr
+ && ! link_info.traditional_format
+ && ! link_info.relocatable)
+ {
+ struct elf_link_hash_table *htab;
+
+ htab = elf_hash_table (&link_info);
+ if (is_elf_hash_table (htab))
+ {
+ bfd *abfd;
+ asection *s;
+
+ for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next)
+ {
+ s = bfd_get_section_by_name (abfd, ".eh_frame");
+ if (s && s->size > 8 && !bfd_is_abs_section (s->output_section))
+ break;
+ }
+ if (abfd)
+ {
+ const struct elf_backend_data *bed;
+
+ bed = get_elf_backend_data (abfd);
+ s = bfd_make_section_with_flags (abfd, ".eh_frame_hdr",
+ bed->dynamic_sec_flags
+ | SEC_READONLY);
+ if (s != NULL
+ && bfd_set_section_alignment (abfd, s, 2))
+ htab->eh_info.hdr_sec = s;
+ else
+ einfo ("%P: warning: Cannot create .eh_frame_hdr section,"
+ " --eh-frame-hdr ignored.\n");
+ }
+ }
+ }
+
/* We only need to worry about this when doing a final link. */
if (link_info.relocatable || !link_info.executable)
return;
{
asection *s;
bfd_size_type sz;
- bfd_size_type prefix_len;
char *msg;
bfd_boolean ret;
- const char * gnu_warning_prefix = _("warning: ");
if (is->just_syms_flag)
continue;
continue;
sz = s->size;
- prefix_len = strlen (gnu_warning_prefix);
- msg = xmalloc ((size_t) (prefix_len + sz + 1));
- strcpy (msg, gnu_warning_prefix);
- if (! bfd_get_section_contents (is->the_bfd, s, msg + prefix_len,
+ msg = xmalloc ((size_t) (sz + 1));
+ if (! bfd_get_section_contents (is->the_bfd, s, msg,
(file_ptr) 0, sz))
einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n",
is->the_bfd);
- msg[prefix_len + sz] = '\0';
+ msg[sz] = '\0';
ret = link_info.callbacks->warning (&link_info, msg,
(const char *) NULL,
is->the_bfd, (asection *) NULL,
ASSERT (ret);
free (msg);
- /* Clobber the section size, so that we don't waste copying the
- warning into the output file. */
+ /* Clobber the section size, so that we don't waste space
+ copying the warning into the output file. If we've already
+ sized the output section, adjust its size. The adjustment
+ is on rawsize because targets that size sections early will
+ have called lang_reset_memory_regions after sizing. */
+ if (s->output_section != NULL
+ && s->output_section->rawsize >= s->size)
+ s->output_section->rawsize -= s->size;
+
s->size = 0;
- /* Also set SEC_EXCLUDE, so that symbols defined in the warning
- section don't get copied to the output. */
- s->flags |= SEC_EXCLUDE;
+ /* Also set SEC_EXCLUDE, so that local symbols defined in the
+ warning section don't get copied to the output. */
+ s->flags |= SEC_EXCLUDE | SEC_KEEP;
}
}
lookup = lookup->next)
{
if (lookup->constraint != -1
- && strncmp (".rel", lookup->name, 4) == 0)
+ && CONST_STRNEQ (lookup->name, ".rel"))
{
int lookrela = lookup->name[4] == 'a';
default:
break;
}
- else if (strncmp (secname, ".rel", 4) == 0)
+ else if (CONST_STRNEQ (secname, ".rel"))
{
secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn";
isdyn = 1;
sections into the .text section to get them out of the way. */
if (link_info.executable
&& ! link_info.relocatable
- && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0
+ && CONST_STRNEQ (secname, ".gnu.warning.")
&& hold[orphan_text].os != NULL)
{
lang_add_section (&hold[orphan_text].os->children, s,
;
else if ((s->flags & SEC_LOAD) != 0
&& ((iself && sh_type == SHT_NOTE)
- || (!iself && strncmp (secname, ".note", 5) == 0)))
+ || (!iself && CONST_STRNEQ (secname, ".note"))))
place = &hold[orphan_interp];
else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
place = &hold[orphan_bss];
else if ((s->flags & SEC_READONLY) == 0)
place = &hold[orphan_data];
else if (((iself && (sh_type == SHT_RELA || sh_type == SHT_REL))
- || (!iself && strncmp (secname, ".rel", 4) == 0))
+ || (!iself && CONST_STRNEQ (secname, ".rel")))
&& (s->flags & SEC_LOAD) != 0)
place = &hold[orphan_rel];
else if ((s->flags & SEC_CODE) == 0)
#define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1)
#define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1)
#define OPTION_EXCLUDE_LIBS (OPTION_EH_FRAME_HDR + 1)
+#define OPTION_HASH_STYLE (OPTION_EXCLUDE_LIBS + 1)
static void
gld${EMULATION_NAME}_add_options
{"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
{"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR},
{"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
+ {"hash-style", required_argument, NULL, OPTION_HASH_STYLE},
{"Bgroup", no_argument, NULL, OPTION_GROUP},
EOF
fi
add_excluded_libs (optarg);
break;
+ case OPTION_HASH_STYLE:
+ link_info.emit_hash = FALSE;
+ link_info.emit_gnu_hash = FALSE;
+ if (strcmp (optarg, "sysv") == 0)
+ link_info.emit_hash = TRUE;
+ else if (strcmp (optarg, "gnu") == 0)
+ link_info.emit_gnu_hash = TRUE;
+ else if (strcmp (optarg, "both") == 0)
+ {
+ link_info.emit_hash = TRUE;
+ link_info.emit_gnu_hash = TRUE;
+ }
+ else
+ einfo (_("%P%F: invalid hash style \`%s'\n"), optarg);
+ break;
+
case 'z':
if (strcmp (optarg, "initfirst") == 0)
link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
link_info.noexecstack = TRUE;
link_info.execstack = FALSE;
}
+EOF
+
+ if test -n "$COMMONPAGESIZE"; then
+cat >>e${EMULATION_NAME}.c <<EOF
else if (strcmp (optarg, "relro") == 0)
link_info.relro = TRUE;
else if (strcmp (optarg, "norelro") == 0)
link_info.relro = FALSE;
- else if (strncmp (optarg, "max-page-size=", 14) == 0)
+EOF
+ fi
+
+cat >>e${EMULATION_NAME}.c <<EOF
+ else if (CONST_STRNEQ (optarg, "max-page-size="))
{
char *end;
+
config.maxpagesize = strtoul (optarg + 14, &end, 0);
if (*end)
einfo (_("%P%F: invalid maxium page size \`%s'\n"),
optarg + 14);
}
- else if (strncmp (optarg, "common-page-size=", 17) == 0)
+ else if (CONST_STRNEQ (optarg, "common-page-size="))
{
char *end;
config.commonpagesize = strtoul (optarg + 17, &end, 0);
fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n"));
fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n"));
fprintf (file, _(" --eh-frame-hdr\tCreate .eh_frame_hdr section\n"));
+ fprintf (file, _(" --hash-style=STYLE\tSet hash style to sysv, gnu or both\n"));
fprintf (file, _(" -z combreloc\t\tMerge dynamic relocs into one section and sort\n"));
fprintf (file, _(" -z defs\t\tReport unresolved symbols in object files.\n"));
fprintf (file, _(" -z execstack\t\tMark executable as requiring executable stack\n"));
fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n"));
fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n"));
fprintf (file, _(" -z noexecstack\tMark executable as not requiring executable stack\n"));
+EOF
+
+ if test -n "$COMMONPAGESIZE"; then
+cat >>e${EMULATION_NAME}.c <<EOF
fprintf (file, _(" -z norelro\t\tDon't create RELRO program header\n"));
+EOF
+ fi
+
+cat >>e${EMULATION_NAME}.c <<EOF
fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n"));
fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n\t\t\t at runtime\n"));
+EOF
+
+ if test -n "$COMMONPAGESIZE"; then
+cat >>e${EMULATION_NAME}.c <<EOF
fprintf (file, _(" -z relro\t\tCreate RELRO program header\n"));
+EOF
+ fi
+
+cat >>e${EMULATION_NAME}.c <<EOF
fprintf (file, _(" -z max-page-size=SIZE\tSet maximum page size to SIZE\n"));
fprintf (file, _(" -z common-page-size=SIZE\n\t\t\tSet common page size to SIZE\n"));
fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n"));
projects / deliverable / binutils-gdb.git / blobdiff