# This shell script emits a C file. -*- C -*-
-# Copyright (C) 2003-2018 Free Software Foundation, Inc.
+# Copyright (C) 2003-2019 Free Software Foundation, Inc.
#
# This file is part of the GNU Binutils.
#
/* Whether to run tls optimization. */
static int notlsopt = 0;
+/* Whether to convert inline PLT calls to direct. */
+static int no_inline_opt = 0;
+
/* Choose the correct place for .got. */
static int old_got = 0;
-static struct ppc_elf_params params = { PLT_UNSET, -1, 0, 0, 0, 0, 0, 0, 0 };
+static struct ppc_elf_params params = { PLT_UNSET, 0, -1,
+ 0, 0, 0, 0, 0, 0, 0 };
static void
ppc_after_open_output (void)
EOF
fi
fragment <<EOF
+static void
+prelim_size_sections (void)
+{
+ if (expld.phase != lang_mark_phase_enum)
+ {
+ expld.phase = lang_mark_phase_enum;
+ expld.dataseg.phase = exp_seg_none;
+ one_lang_size_sections_pass (NULL, FALSE);
+ /* We must not cache anything from the preliminary sizing. */
+ lang_reset_memory_regions ();
+ }
+}
+
static void
ppc_before_allocation (void)
{
if (is_ppc_elf (link_info.output_bfd))
{
+ if (!no_inline_opt
+ && !bfd_link_relocatable (&link_info))
+ {
+ prelim_size_sections ();
+
+ if (!ppc_elf_inline_plt (&link_info))
+ einfo (_("%X%P: inline PLT: %E\n"));
+ }
+
if (ppc_elf_tls_setup (link_info.output_bfd, &link_info)
&& !notlsopt)
{
asection *o;
/* Run lang_size_sections (if not already done). */
- if (expld.phase != lang_mark_phase_enum)
- {
- expld.phase = lang_mark_phase_enum;
- expld.dataseg.phase = exp_seg_none;
- one_lang_size_sections_pass (NULL, FALSE);
- lang_reset_memory_regions ();
- }
+ prelim_size_sections ();
for (o = link_info.output_bfd->sections; o != NULL; o = o->next)
{
{
if (params.ppc476_workaround)
lang_for_each_statement (no_zero_padding);
+ if (!ppc_finish_symbols (&link_info))
+ einfo (_("%X%P: ppc_finish_symbols problem %E\n"));
finish_default ();
}
# parse_args and list_options functions.
#
PARSE_AND_LIST_PROLOGUE=${PARSE_AND_LIST_PROLOGUE}'
-#define OPTION_NO_TLS_OPT 321
-#define OPTION_NO_TLS_GET_ADDR_OPT (OPTION_NO_TLS_OPT + 1)
-#define OPTION_NEW_PLT (OPTION_NO_TLS_GET_ADDR_OPT + 1)
-#define OPTION_OLD_PLT (OPTION_NEW_PLT + 1)
-#define OPTION_OLD_GOT (OPTION_OLD_PLT + 1)
-#define OPTION_STUBSYMS (OPTION_OLD_GOT + 1)
-#define OPTION_NO_STUBSYMS (OPTION_STUBSYMS + 1)
-#define OPTION_PPC476_WORKAROUND (OPTION_NO_STUBSYMS + 1)
-#define OPTION_NO_PPC476_WORKAROUND (OPTION_PPC476_WORKAROUND + 1)
-#define OPTION_NO_PICFIXUP (OPTION_NO_PPC476_WORKAROUND + 1)
-#define OPTION_VLE_RELOC_FIXUP (OPTION_NO_PICFIXUP + 1)
+enum ppc32_opt
+{
+ OPTION_NO_TLS_OPT = 321,
+ OPTION_NO_TLS_GET_ADDR_OPT,
+ OPTION_NEW_PLT,
+ OPTION_OLD_PLT,
+ OPTION_PLT_ALIGN,
+ OPTION_NO_PLT_ALIGN,
+ OPTION_NO_INLINE_OPT,
+ OPTION_OLD_GOT,
+ OPTION_STUBSYMS,
+ OPTION_NO_STUBSYMS,
+ OPTION_PPC476_WORKAROUND,
+ OPTION_NO_PPC476_WORKAROUND,
+ OPTION_NO_PICFIXUP,
+ OPTION_VLE_RELOC_FIXUP
+};
'
PARSE_AND_LIST_LONGOPTS=${PARSE_AND_LIST_LONGOPTS}'
PARSE_AND_LIST_LONGOPTS=${PARSE_AND_LIST_LONGOPTS}'
{ "secure-plt", no_argument, NULL, OPTION_NEW_PLT },
{ "bss-plt", no_argument, NULL, OPTION_OLD_PLT },
+ { "plt-align", optional_argument, NULL, OPTION_PLT_ALIGN },
+ { "no-plt-align", no_argument, NULL, OPTION_NO_PLT_ALIGN },
+ { "no-inline-optimize", no_argument, NULL, OPTION_NO_INLINE_OPT },
{ "sdata-got", no_argument, NULL, OPTION_OLD_GOT },'
fi
PARSE_AND_LIST_LONGOPTS=${PARSE_AND_LIST_LONGOPTS}'
PARSE_AND_LIST_OPTIONS=${PARSE_AND_LIST_OPTIONS}'
fprintf (file, _("\
- --emit-stub-syms Label linker stubs with a symbol.\n\
- --no-emit-stub-syms Don'\''t label linker stubs with a symbol.\n\
- --no-tls-optimize Don'\''t try to optimize TLS accesses.\n\
- --no-tls-get-addr-optimize Don'\''t use a special __tls_get_addr call.\n'
+ --emit-stub-syms Label linker stubs with a symbol\n"
+ ));
+ fprintf (file, _("\
+ --no-emit-stub-syms Don'\''t label linker stubs with a symbol\n"
+ ));
+ fprintf (file, _("\
+ --no-tls-optimize Don'\''t try to optimize TLS accesses\n"
+ ));
+ fprintf (file, _("\
+ --no-tls-get-addr-optimize Don'\''t use a special __tls_get_addr call\n"
+ ));'
if test -z "$VXWORKS_BASE_EM_FILE" ; then
PARSE_AND_LIST_OPTIONS=${PARSE_AND_LIST_OPTIONS}'\
- --secure-plt Use new-style PLT if possible.\n\
- --bss-plt Force old-style BSS PLT.\n\
- --sdata-got Force GOT location just before .sdata.\n'
+ fprintf (file, _("\
+ --secure-plt Use new-style PLT if possible\n"
+ ));
+ fprintf (file, _("\
+ --bss-plt Force old-style BSS PLT\n"
+ ));
+ fprintf (file, _("\
+ --plt-align Align PLT call stubs to fit cache lines\n"
+ ));
+ fprintf (file, _("\
+ --no-plt-align Dont'\''t align individual PLT call stubs\n"
+ ));
+ fprintf (file, _("\
+ --no-inline-optimize Don'\''t convert inline PLT to direct calls\n"
+ ));
+ fprintf (file, _("\
+ --sdata-got Force GOT location just before .sdata\n"
+ ));'
fi
PARSE_AND_LIST_OPTIONS=${PARSE_AND_LIST_OPTIONS}'\
+ fprintf (file, _("\
--ppc476-workaround [=pagesize]\n\
- Avoid a cache bug on ppc476.\n\
- --no-ppc476-workaround Disable workaround.\n\
- --no-pic-fixup Don'\''t edit non-pic to pic.\n\
- --vle-reloc-fixup Correct old object file 16A/16D relocation.\n"
+ Avoid a cache bug on ppc476\n"
+ ));
+ fprintf (file, _("\
+ --no-ppc476-workaround Disable workaround\n"
+ ));
+ fprintf (file, _("\
+ --no-pic-fixup Don'\''t edit non-pic to pic\n"
+ ));
+ fprintf (file, _("\
+ --vle-reloc-fixup Correct old object file 16A/16D relocation\n"
));
'
params.plt_style = PLT_OLD;
break;
+ case OPTION_PLT_ALIGN:
+ if (optarg != NULL)
+ {
+ char *end;
+ unsigned long val = strtoul (optarg, &end, 0);
+ if (*end || val > 5)
+ einfo (_("%F%P: invalid --plt-align `%s'\''\n"), optarg);
+ params.plt_stub_align = val;
+ }
+ else
+ params.plt_stub_align = 5;
+ break;
+
+ case OPTION_NO_PLT_ALIGN:
+ params.plt_stub_align = 0;
+ break;
+
+ case OPTION_NO_INLINE_OPT:
+ no_inline_opt = 1;
+ break;
+
case OPTION_OLD_GOT:
old_got = 1;
break;
if (*end
|| (params.pagesize < 4096 && params.pagesize != 0)
|| params.pagesize != (params.pagesize & -params.pagesize))
- einfo (_("%P%F: invalid pagesize `%s'\''\n"), optarg);
+ einfo (_("%F%P: invalid pagesize `%s'\''\n"), optarg);
}
break;