| Line 1... |
Line 1... |
# This shell script emits a C file. -*- C -*-
|
# This shell script emits a C file. -*- C -*-
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# Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
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# Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
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# Free Software Foundation, Inc.
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# Free Software Foundation, Inc.
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#
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#
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# This file is part of the GNU Binutils.
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# This file is part of the GNU Binutils.
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#
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#
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# This program is free software; you can redistribute it and/or modify
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# This program is free software; you can redistribute it and/or modify
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| Line 60... |
Line 60... |
|
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/* Whether to sort input toc and got sections. */
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/* Whether to sort input toc and got sections. */
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static int no_toc_sort = 0;
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static int no_toc_sort = 0;
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|
|
/* Set if PLT call stubs should load r11. */
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/* Set if PLT call stubs should load r11. */
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static int plt_static_chain = 0;
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static int plt_static_chain = ${DEFAULT_PLT_STATIC_CHAIN-0};
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|
|
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/* Set if PLT call stubs need to be thread safe on power7+. */
|
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static int plt_thread_safe = -1;
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|
|
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/* Set if individual PLT call stubs should be aligned. */
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static int plt_stub_align = 0;
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|
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/* Whether to emit symbols for stubs. */
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/* Whether to emit symbols for stubs. */
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static int emit_stub_syms = -1;
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static int emit_stub_syms = -1;
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|
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static asection *toc_section = 0;
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static asection *toc_section = 0;
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| Line 377... |
Line 383... |
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
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flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
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| SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_KEEP);
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| SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_KEEP);
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stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
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stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
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stub_sec_name, flags);
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stub_sec_name, flags);
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if (stub_sec == NULL
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if (stub_sec == NULL
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|| !bfd_set_section_alignment (stub_file->the_bfd, stub_sec, 5))
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|| !bfd_set_section_alignment (stub_file->the_bfd, stub_sec,
|
|
plt_stub_align > 5 ? plt_stub_align : 5))
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goto err_ret;
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goto err_ret;
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|
|
output_section = input_section->output_section;
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output_section = input_section->output_section;
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secname = bfd_get_section_name (output_section->owner, output_section);
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secname = bfd_get_section_name (output_section->owner, output_section);
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os = lang_output_section_find (secname);
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os = lang_output_section_find (secname);
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| Line 502... |
Line 509... |
|
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if (!ppc64_elf_check_init_fini (&link_info))
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if (!ppc64_elf_check_init_fini (&link_info))
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einfo ("%P: .init/.fini fragments use differing TOC pointers\n");
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einfo ("%P: .init/.fini fragments use differing TOC pointers\n");
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|
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/* Call into the BFD backend to do the real work. */
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/* Call into the BFD backend to do the real work. */
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if (!ppc64_elf_size_stubs (&link_info, group_size, plt_static_chain))
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if (!ppc64_elf_size_stubs (&link_info, group_size,
|
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plt_static_chain, plt_thread_safe,
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plt_stub_align))
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einfo ("%X%P: can not size stub section: %E\n");
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einfo ("%X%P: can not size stub section: %E\n");
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}
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}
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}
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}
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|
|
if (need_laying_out != -1)
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if (need_laying_out != -1)
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| Line 647... |
Line 656... |
#
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#
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PARSE_AND_LIST_PROLOGUE=${PARSE_AND_LIST_PROLOGUE}'
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PARSE_AND_LIST_PROLOGUE=${PARSE_AND_LIST_PROLOGUE}'
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#define OPTION_STUBGROUP_SIZE 321
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#define OPTION_STUBGROUP_SIZE 321
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#define OPTION_PLT_STATIC_CHAIN (OPTION_STUBGROUP_SIZE + 1)
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#define OPTION_PLT_STATIC_CHAIN (OPTION_STUBGROUP_SIZE + 1)
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#define OPTION_NO_PLT_STATIC_CHAIN (OPTION_PLT_STATIC_CHAIN + 1)
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#define OPTION_NO_PLT_STATIC_CHAIN (OPTION_PLT_STATIC_CHAIN + 1)
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#define OPTION_STUBSYMS (OPTION_NO_PLT_STATIC_CHAIN + 1)
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#define OPTION_PLT_THREAD_SAFE (OPTION_NO_PLT_STATIC_CHAIN + 1)
|
|
#define OPTION_NO_PLT_THREAD_SAFE (OPTION_PLT_THREAD_SAFE + 1)
|
|
#define OPTION_PLT_ALIGN (OPTION_NO_PLT_THREAD_SAFE + 1)
|
|
#define OPTION_NO_PLT_ALIGN (OPTION_PLT_ALIGN + 1)
|
|
#define OPTION_STUBSYMS (OPTION_NO_PLT_ALIGN + 1)
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#define OPTION_NO_STUBSYMS (OPTION_STUBSYMS + 1)
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#define OPTION_NO_STUBSYMS (OPTION_STUBSYMS + 1)
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#define OPTION_DOTSYMS (OPTION_NO_STUBSYMS + 1)
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#define OPTION_DOTSYMS (OPTION_NO_STUBSYMS + 1)
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#define OPTION_NO_DOTSYMS (OPTION_DOTSYMS + 1)
|
#define OPTION_NO_DOTSYMS (OPTION_DOTSYMS + 1)
|
#define OPTION_NO_TLS_OPT (OPTION_NO_DOTSYMS + 1)
|
#define OPTION_NO_TLS_OPT (OPTION_NO_DOTSYMS + 1)
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#define OPTION_NO_TLS_GET_ADDR_OPT (OPTION_NO_TLS_OPT + 1)
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#define OPTION_NO_TLS_GET_ADDR_OPT (OPTION_NO_TLS_OPT + 1)
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| Line 664... |
Line 677... |
|
|
PARSE_AND_LIST_LONGOPTS=${PARSE_AND_LIST_LONGOPTS}'
|
PARSE_AND_LIST_LONGOPTS=${PARSE_AND_LIST_LONGOPTS}'
|
{ "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
|
{ "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
|
{ "plt-static-chain", no_argument, NULL, OPTION_PLT_STATIC_CHAIN },
|
{ "plt-static-chain", no_argument, NULL, OPTION_PLT_STATIC_CHAIN },
|
{ "no-plt-static-chain", no_argument, NULL, OPTION_NO_PLT_STATIC_CHAIN },
|
{ "no-plt-static-chain", no_argument, NULL, OPTION_NO_PLT_STATIC_CHAIN },
|
|
{ "plt-thread-safe", no_argument, NULL, OPTION_PLT_THREAD_SAFE },
|
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{ "no-plt-thread-safe", no_argument, NULL, OPTION_NO_PLT_THREAD_SAFE },
|
|
{ "plt-align", optional_argument, NULL, OPTION_PLT_ALIGN },
|
|
{ "no-plt-align", no_argument, NULL, OPTION_NO_PLT_ALIGN },
|
{ "emit-stub-syms", no_argument, NULL, OPTION_STUBSYMS },
|
{ "emit-stub-syms", no_argument, NULL, OPTION_STUBSYMS },
|
{ "no-emit-stub-syms", no_argument, NULL, OPTION_NO_STUBSYMS },
|
{ "no-emit-stub-syms", no_argument, NULL, OPTION_NO_STUBSYMS },
|
{ "dotsyms", no_argument, NULL, OPTION_DOTSYMS },
|
{ "dotsyms", no_argument, NULL, OPTION_DOTSYMS },
|
{ "no-dotsyms", no_argument, NULL, OPTION_NO_DOTSYMS },
|
{ "no-dotsyms", no_argument, NULL, OPTION_NO_DOTSYMS },
|
{ "no-tls-optimize", no_argument, NULL, OPTION_NO_TLS_OPT },
|
{ "no-tls-optimize", no_argument, NULL, OPTION_NO_TLS_OPT },
|
| Line 689... |
Line 706... |
before, and one after each stub section.\n\
|
before, and one after each stub section.\n\
|
Values of +/-1 indicate the linker should\n\
|
Values of +/-1 indicate the linker should\n\
|
choose suitable defaults.\n"
|
choose suitable defaults.\n"
|
));
|
));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
--plt-static-chain PLT call stubs should load r11.\n"
|
--plt-static-chain PLT call stubs should load r11.${DEFAULT_PLT_STATIC_CHAIN- (default)}\n"
|
|
));
|
|
fprintf (file, _("\
|
|
--no-plt-static-chain PLT call stubs should not load r11.${DEFAULT_PLT_STATIC_CHAIN+ (default)}\n"
|
|
));
|
|
fprintf (file, _("\
|
|
--plt-thread-safe PLT call stubs with load-load barrier.\n"
|
));
|
));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
--no-plt-static-chain PLT call stubs should not load r11. (default)\n"
|
--no-plt-thread-safe PLT call stubs without barrier.\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, _("\
|
fprintf (file, _("\
|
--emit-stub-syms Label linker stubs with a symbol.\n"
|
--emit-stub-syms Label linker stubs with a symbol.\n"
|
));
|
));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
| Line 751... |
Line 780... |
|
|
case OPTION_NO_PLT_STATIC_CHAIN:
|
case OPTION_NO_PLT_STATIC_CHAIN:
|
plt_static_chain = 0;
|
plt_static_chain = 0;
|
break;
|
break;
|
|
|
|
case OPTION_PLT_THREAD_SAFE:
|
|
plt_thread_safe = 1;
|
|
break;
|
|
|
|
case OPTION_NO_PLT_THREAD_SAFE:
|
|
plt_thread_safe = 0;
|
|
break;
|
|
|
|
case OPTION_PLT_ALIGN:
|
|
if (optarg != NULL)
|
|
{
|
|
char *end;
|
|
unsigned long val = strtoul (optarg, &end, 0);
|
|
if (*end || val > 8)
|
|
einfo (_("%P%F: invalid --plt-align `%s'\''\n"), optarg);
|
|
plt_stub_align = val;
|
|
}
|
|
else
|
|
plt_stub_align = 5;
|
|
break;
|
|
|
|
case OPTION_NO_PLT_ALIGN:
|
|
plt_stub_align = 0;
|
|
break;
|
|
|
case OPTION_STUBSYMS:
|
case OPTION_STUBSYMS:
|
emit_stub_syms = 1;
|
emit_stub_syms = 1;
|
break;
|
break;
|
|
|
case OPTION_NO_STUBSYMS:
|
case OPTION_NO_STUBSYMS:
|
