# This shell script emits a C file. -*- C -*-
-# Copyright (C) 2003-2018 Free Software Foundation, Inc.
+# Copyright (C) 2003-2021 Free Software Foundation, Inc.
#
# This file is part of the GNU Binutils.
#
# MA 02110-1301, USA.
#
-# This file is sourced from elf32.em, and defines extra powerpc32-elf
+# This file is sourced from elf.em, and defines extra powerpc32-elf
# specific routines.
#
fragment <<EOF
/* 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, 0, 1, -1,
+static struct ppc_elf_params params = { PLT_UNSET, 0, -1,
0, 0, 0, 0, 0, 0, 0 };
static void
params.emit_stub_syms = (link_info.emitrelocations
|| bfd_link_pic (&link_info));
if (params.pagesize == 0)
- params.pagesize = config.commonpagesize;
+ params.pagesize = link_info.commonpagesize;
ppc_elf_link_params (&link_info, ¶ms);
}
num_got = 0;
num_plt = 0;
- for (os = &lang_output_section_statement.head->output_section_statement;
+ for (os = (void *) lang_os_list.head;
os != NULL;
os = os->next)
{
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)
{
bfd_vma high = 0;
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 ();
- }
+ /* Run lang_size_sections even if already done, so as to pick
+ up gld${EMULATION_NAME}_before_allocation sizing. This
+ matters when we have an executable bss plt which will
+ typically be laid out near the end of the image, ie. worst
+ case for branches at the start of .text. */
+ expld.phase = lang_first_phase_enum;
+ prelim_size_sections ();
for (o = link_info.output_bfd->sections; o != NULL; o = o->next)
{
{
if (params.ppc476_workaround)
lang_for_each_statement (no_zero_padding);
+ if (!ppc_finish_symbols (&link_info))
+ einfo (_("%X%P: ppc_finish_symbols problem %E\n"));
finish_default ();
}
fragment <<EOF
/* Special handling for embedded SPU executables. */
extern bfd_boolean embedded_spu_file (lang_input_statement_type *, const char *);
-static bfd_boolean gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *);
static bfd_boolean
ppc_recognized_file (lang_input_statement_type *entry)
if (embedded_spu_file (entry, "-m32"))
return TRUE;
- return gld${EMULATION_NAME}_load_symbols (entry);
+ return ldelf_load_symbols (entry);
}
EOF
OPTION_NO_TLS_GET_ADDR_OPT,
OPTION_NEW_PLT,
OPTION_OLD_PLT,
- OPTION_SPECULATE_INDIRECT_JUMPS,
- OPTION_NO_SPECULATE_INDIRECT_JUMPS,
OPTION_PLT_ALIGN,
OPTION_NO_PLT_ALIGN,
+ OPTION_NO_INLINE_OPT,
OPTION_OLD_GOT,
OPTION_STUBSYMS,
OPTION_NO_STUBSYMS,
PARSE_AND_LIST_LONGOPTS=${PARSE_AND_LIST_LONGOPTS}'
{ "secure-plt", no_argument, NULL, OPTION_NEW_PLT },
{ "bss-plt", no_argument, NULL, OPTION_OLD_PLT },
- { "speculate-indirect-jumps", no_argument, NULL, OPTION_SPECULATE_INDIRECT_JUMPS },
- { "no-speculate-indirect-jumps", no_argument, NULL, OPTION_NO_SPECULATE_INDIRECT_JUMPS },
- { "plt-align", no_argument, NULL, OPTION_PLT_ALIGN },
+ { "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"
+ --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"
+ --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"
+ --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"
+ --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}'\
fprintf (file, _("\
- --secure-plt Use new-style PLT if possible.\n"
+ --secure-plt Use new-style PLT if possible\n"
));
fprintf (file, _("\
- --bss-plt Force old-style BSS PLT.\n"
+ --bss-plt Force old-style BSS PLT\n"
));
fprintf (file, _("\
- --speculate-indirect-jumps PLT call stubs without speculation barrier.\n"
+ --plt-align Align PLT call stubs to fit cache lines\n"
));
fprintf (file, _("\
- --no-speculate-indirect-jumps PLT call stubs with speculation barrier.\n"
+ --no-plt-align Dont'\''t align individual PLT call stubs\n"
));
fprintf (file, _("\
- --plt-align Align PLT call stubs to fit cache lines.\n"
+ --no-inline-optimize Don'\''t convert inline PLT to direct calls\n"
));
fprintf (file, _("\
- --no-plt-align Dont'\''t align individual PLT call stubs.\n"
- ));
- fprintf (file, _("\
- --sdata-got Force GOT location just before .sdata.\n"
+ --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"
+ Avoid a cache bug on ppc476\n"
));
fprintf (file, _("\
- --no-ppc476-workaround Disable workaround.\n"
+ --no-ppc476-workaround Disable workaround\n"
));
fprintf (file, _("\
- --no-pic-fixup Don'\''t edit non-pic to pic.\n"
+ --no-pic-fixup Don'\''t edit non-pic to pic\n"
));
fprintf (file, _("\
- --vle-reloc-fixup Correct old object file 16A/16D relocation.\n"
+ --vle-reloc-fixup Correct old object file 16A/16D relocation\n"
));
'
params.plt_style = PLT_OLD;
break;
- case OPTION_SPECULATE_INDIRECT_JUMPS:
- params.speculate_indirect_jumps = 1;
- break;
-
- case OPTION_NO_SPECULATE_INDIRECT_JUMPS:
- params.speculate_indirect_jumps = 0;
- break;
-
case OPTION_PLT_ALIGN:
- params.plt_stub_align = 5;
+ 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;
projects / thirdparty / binutils-gdb.git / blobdiff