1 // output.cc -- manage the output file for gold
3 // Copyright 2006, 2007 Free Software Foundation, Inc.
4 // Written by Ian Lance Taylor <iant@google.com>.
6 // This file is part of gold.
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 3 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 // MA 02110-1301, USA.
32 #include "libiberty.h" // for unlink_if_ordinary()
34 #include "parameters.h"
44 // Output_data variables.
46 bool Output_data::sizes_are_fixed
;
48 // Output_data methods.
50 Output_data::~Output_data()
54 // Set the address and offset.
57 Output_data::set_address(uint64_t addr
, off_t off
)
59 this->address_
= addr
;
62 // Let the child class know.
63 this->do_set_address(addr
, off
);
66 // Return the default alignment for the target size.
69 Output_data::default_alignment()
71 return Output_data::default_alignment_for_size(parameters
->get_size());
74 // Return the default alignment for a size--32 or 64.
77 Output_data::default_alignment_for_size(int size
)
87 // Output_section_header methods. This currently assumes that the
88 // segment and section lists are complete at construction time.
90 Output_section_headers::Output_section_headers(
92 const Layout::Segment_list
* segment_list
,
93 const Layout::Section_list
* unattached_section_list
,
94 const Stringpool
* secnamepool
)
96 segment_list_(segment_list
),
97 unattached_section_list_(unattached_section_list
),
98 secnamepool_(secnamepool
)
100 // Count all the sections. Start with 1 for the null section.
102 for (Layout::Segment_list::const_iterator p
= segment_list
->begin();
103 p
!= segment_list
->end();
105 if ((*p
)->type() == elfcpp::PT_LOAD
)
106 count
+= (*p
)->output_section_count();
107 count
+= unattached_section_list
->size();
109 const int size
= parameters
->get_size();
112 shdr_size
= elfcpp::Elf_sizes
<32>::shdr_size
;
114 shdr_size
= elfcpp::Elf_sizes
<64>::shdr_size
;
118 this->set_data_size(count
* shdr_size
);
121 // Write out the section headers.
124 Output_section_headers::do_write(Output_file
* of
)
126 if (parameters
->get_size() == 32)
128 if (parameters
->is_big_endian())
130 #ifdef HAVE_TARGET_32_BIG
131 this->do_sized_write
<32, true>(of
);
138 #ifdef HAVE_TARGET_32_LITTLE
139 this->do_sized_write
<32, false>(of
);
145 else if (parameters
->get_size() == 64)
147 if (parameters
->is_big_endian())
149 #ifdef HAVE_TARGET_64_BIG
150 this->do_sized_write
<64, true>(of
);
157 #ifdef HAVE_TARGET_64_LITTLE
158 this->do_sized_write
<64, false>(of
);
168 template<int size
, bool big_endian
>
170 Output_section_headers::do_sized_write(Output_file
* of
)
172 off_t all_shdrs_size
= this->data_size();
173 unsigned char* view
= of
->get_output_view(this->offset(), all_shdrs_size
);
175 const int shdr_size
= elfcpp::Elf_sizes
<size
>::shdr_size
;
176 unsigned char* v
= view
;
179 typename
elfcpp::Shdr_write
<size
, big_endian
> oshdr(v
);
180 oshdr
.put_sh_name(0);
181 oshdr
.put_sh_type(elfcpp::SHT_NULL
);
182 oshdr
.put_sh_flags(0);
183 oshdr
.put_sh_addr(0);
184 oshdr
.put_sh_offset(0);
185 oshdr
.put_sh_size(0);
186 oshdr
.put_sh_link(0);
187 oshdr
.put_sh_info(0);
188 oshdr
.put_sh_addralign(0);
189 oshdr
.put_sh_entsize(0);
195 for (Layout::Segment_list::const_iterator p
= this->segment_list_
->begin();
196 p
!= this->segment_list_
->end();
198 v
= (*p
)->write_section_headers
SELECT_SIZE_ENDIAN_NAME(size
, big_endian
) (
199 this->layout_
, this->secnamepool_
, v
, &shndx
200 SELECT_SIZE_ENDIAN(size
, big_endian
));
201 for (Layout::Section_list::const_iterator p
=
202 this->unattached_section_list_
->begin();
203 p
!= this->unattached_section_list_
->end();
206 gold_assert(shndx
== (*p
)->out_shndx());
207 elfcpp::Shdr_write
<size
, big_endian
> oshdr(v
);
208 (*p
)->write_header(this->layout_
, this->secnamepool_
, &oshdr
);
213 of
->write_output_view(this->offset(), all_shdrs_size
, view
);
216 // Output_segment_header methods.
218 Output_segment_headers::Output_segment_headers(
219 const Layout::Segment_list
& segment_list
)
220 : segment_list_(segment_list
)
222 const int size
= parameters
->get_size();
225 phdr_size
= elfcpp::Elf_sizes
<32>::phdr_size
;
227 phdr_size
= elfcpp::Elf_sizes
<64>::phdr_size
;
231 this->set_data_size(segment_list
.size() * phdr_size
);
235 Output_segment_headers::do_write(Output_file
* of
)
237 if (parameters
->get_size() == 32)
239 if (parameters
->is_big_endian())
241 #ifdef HAVE_TARGET_32_BIG
242 this->do_sized_write
<32, true>(of
);
249 #ifdef HAVE_TARGET_32_LITTLE
250 this->do_sized_write
<32, false>(of
);
256 else if (parameters
->get_size() == 64)
258 if (parameters
->is_big_endian())
260 #ifdef HAVE_TARGET_64_BIG
261 this->do_sized_write
<64, true>(of
);
268 #ifdef HAVE_TARGET_64_LITTLE
269 this->do_sized_write
<64, false>(of
);
279 template<int size
, bool big_endian
>
281 Output_segment_headers::do_sized_write(Output_file
* of
)
283 const int phdr_size
= elfcpp::Elf_sizes
<size
>::phdr_size
;
284 off_t all_phdrs_size
= this->segment_list_
.size() * phdr_size
;
285 unsigned char* view
= of
->get_output_view(this->offset(),
287 unsigned char* v
= view
;
288 for (Layout::Segment_list::const_iterator p
= this->segment_list_
.begin();
289 p
!= this->segment_list_
.end();
292 elfcpp::Phdr_write
<size
, big_endian
> ophdr(v
);
293 (*p
)->write_header(&ophdr
);
297 of
->write_output_view(this->offset(), all_phdrs_size
, view
);
300 // Output_file_header methods.
302 Output_file_header::Output_file_header(const Target
* target
,
303 const Symbol_table
* symtab
,
304 const Output_segment_headers
* osh
)
307 segment_header_(osh
),
308 section_header_(NULL
),
311 const int size
= parameters
->get_size();
314 ehdr_size
= elfcpp::Elf_sizes
<32>::ehdr_size
;
316 ehdr_size
= elfcpp::Elf_sizes
<64>::ehdr_size
;
320 this->set_data_size(ehdr_size
);
323 // Set the section table information for a file header.
326 Output_file_header::set_section_info(const Output_section_headers
* shdrs
,
327 const Output_section
* shstrtab
)
329 this->section_header_
= shdrs
;
330 this->shstrtab_
= shstrtab
;
333 // Write out the file header.
336 Output_file_header::do_write(Output_file
* of
)
338 if (parameters
->get_size() == 32)
340 if (parameters
->is_big_endian())
342 #ifdef HAVE_TARGET_32_BIG
343 this->do_sized_write
<32, true>(of
);
350 #ifdef HAVE_TARGET_32_LITTLE
351 this->do_sized_write
<32, false>(of
);
357 else if (parameters
->get_size() == 64)
359 if (parameters
->is_big_endian())
361 #ifdef HAVE_TARGET_64_BIG
362 this->do_sized_write
<64, true>(of
);
369 #ifdef HAVE_TARGET_64_LITTLE
370 this->do_sized_write
<64, false>(of
);
380 // Write out the file header with appropriate size and endianess.
382 template<int size
, bool big_endian
>
384 Output_file_header::do_sized_write(Output_file
* of
)
386 gold_assert(this->offset() == 0);
388 int ehdr_size
= elfcpp::Elf_sizes
<size
>::ehdr_size
;
389 unsigned char* view
= of
->get_output_view(0, ehdr_size
);
390 elfcpp::Ehdr_write
<size
, big_endian
> oehdr(view
);
392 unsigned char e_ident
[elfcpp::EI_NIDENT
];
393 memset(e_ident
, 0, elfcpp::EI_NIDENT
);
394 e_ident
[elfcpp::EI_MAG0
] = elfcpp::ELFMAG0
;
395 e_ident
[elfcpp::EI_MAG1
] = elfcpp::ELFMAG1
;
396 e_ident
[elfcpp::EI_MAG2
] = elfcpp::ELFMAG2
;
397 e_ident
[elfcpp::EI_MAG3
] = elfcpp::ELFMAG3
;
399 e_ident
[elfcpp::EI_CLASS
] = elfcpp::ELFCLASS32
;
401 e_ident
[elfcpp::EI_CLASS
] = elfcpp::ELFCLASS64
;
404 e_ident
[elfcpp::EI_DATA
] = (big_endian
405 ? elfcpp::ELFDATA2MSB
406 : elfcpp::ELFDATA2LSB
);
407 e_ident
[elfcpp::EI_VERSION
] = elfcpp::EV_CURRENT
;
408 // FIXME: Some targets may need to set EI_OSABI and EI_ABIVERSION.
409 oehdr
.put_e_ident(e_ident
);
412 if (parameters
->output_is_object())
413 e_type
= elfcpp::ET_REL
;
414 else if (parameters
->output_is_shared())
415 e_type
= elfcpp::ET_DYN
;
417 e_type
= elfcpp::ET_EXEC
;
418 oehdr
.put_e_type(e_type
);
420 oehdr
.put_e_machine(this->target_
->machine_code());
421 oehdr
.put_e_version(elfcpp::EV_CURRENT
);
423 // FIXME: Need to support -e, and target specific entry symbol.
424 Symbol
* sym
= this->symtab_
->lookup("_start");
425 typename Sized_symbol
<size
>::Value_type v
;
430 Sized_symbol
<size
>* ssym
;
431 ssym
= this->symtab_
->get_sized_symbol
SELECT_SIZE_NAME(size
) (
432 sym
SELECT_SIZE(size
));
435 oehdr
.put_e_entry(v
);
437 oehdr
.put_e_phoff(this->segment_header_
->offset());
438 oehdr
.put_e_shoff(this->section_header_
->offset());
440 // FIXME: The target needs to set the flags.
441 oehdr
.put_e_flags(0);
443 oehdr
.put_e_ehsize(elfcpp::Elf_sizes
<size
>::ehdr_size
);
444 oehdr
.put_e_phentsize(elfcpp::Elf_sizes
<size
>::phdr_size
);
445 oehdr
.put_e_phnum(this->segment_header_
->data_size()
446 / elfcpp::Elf_sizes
<size
>::phdr_size
);
447 oehdr
.put_e_shentsize(elfcpp::Elf_sizes
<size
>::shdr_size
);
448 oehdr
.put_e_shnum(this->section_header_
->data_size()
449 / elfcpp::Elf_sizes
<size
>::shdr_size
);
450 oehdr
.put_e_shstrndx(this->shstrtab_
->out_shndx());
452 of
->write_output_view(0, ehdr_size
, view
);
455 // Output_data_const methods.
458 Output_data_const::do_write(Output_file
* of
)
460 of
->write(this->offset(), this->data_
.data(), this->data_
.size());
463 // Output_data_const_buffer methods.
466 Output_data_const_buffer::do_write(Output_file
* of
)
468 of
->write(this->offset(), this->p_
, this->data_size());
471 // Output_section_data methods.
473 // Record the output section, and set the entry size and such.
476 Output_section_data::set_output_section(Output_section
* os
)
478 gold_assert(this->output_section_
== NULL
);
479 this->output_section_
= os
;
480 this->do_adjust_output_section(os
);
483 // Return the section index of the output section.
486 Output_section_data::do_out_shndx() const
488 gold_assert(this->output_section_
!= NULL
);
489 return this->output_section_
->out_shndx();
492 // Output_data_strtab methods.
494 // Set the address. We don't actually care about the address, but we
495 // do set our final size.
498 Output_data_strtab::do_set_address(uint64_t, off_t
)
500 this->strtab_
->set_string_offsets();
501 this->set_data_size(this->strtab_
->get_strtab_size());
504 // Write out a string table.
507 Output_data_strtab::do_write(Output_file
* of
)
509 this->strtab_
->write(of
, this->offset());
512 // Output_reloc methods.
514 // Get the symbol index of a relocation.
516 template<bool dynamic
, int size
, bool big_endian
>
518 Output_reloc
<elfcpp::SHT_REL
, dynamic
, size
, big_endian
>::get_symbol_index()
522 switch (this->local_sym_index_
)
528 if (this->u1_
.gsym
== NULL
)
531 index
= this->u1_
.gsym
->dynsym_index();
533 index
= this->u1_
.gsym
->symtab_index();
538 index
= this->u1_
.os
->dynsym_index();
540 index
= this->u1_
.os
->symtab_index();
544 // Relocations without symbols use a symbol index of 0.
551 // FIXME: It seems that some targets may need to generate
552 // dynamic relocations against local symbols for some
553 // reasons. This will have to be addressed at some point.
557 index
= this->u1_
.relobj
->symtab_index(this->local_sym_index_
);
560 gold_assert(index
!= -1U);
564 // Write out the offset and info fields of a Rel or Rela relocation
567 template<bool dynamic
, int size
, bool big_endian
>
568 template<typename Write_rel
>
570 Output_reloc
<elfcpp::SHT_REL
, dynamic
, size
, big_endian
>::write_rel(
573 Address address
= this->address_
;
574 if (this->shndx_
!= INVALID_CODE
)
577 Output_section
* os
= this->u2_
.relobj
->output_section(this->shndx_
,
579 gold_assert(os
!= NULL
);
581 address
+= os
->address() + off
;
584 address
= os
->output_address(this->u2_
.relobj
, this->shndx_
,
586 gold_assert(address
!= -1U);
589 else if (this->u2_
.od
!= NULL
)
590 address
+= this->u2_
.od
->address();
591 wr
->put_r_offset(address
);
592 wr
->put_r_info(elfcpp::elf_r_info
<size
>(this->get_symbol_index(),
596 // Write out a Rel relocation.
598 template<bool dynamic
, int size
, bool big_endian
>
600 Output_reloc
<elfcpp::SHT_REL
, dynamic
, size
, big_endian
>::write(
601 unsigned char* pov
) const
603 elfcpp::Rel_write
<size
, big_endian
> orel(pov
);
604 this->write_rel(&orel
);
607 // Write out a Rela relocation.
609 template<bool dynamic
, int size
, bool big_endian
>
611 Output_reloc
<elfcpp::SHT_RELA
, dynamic
, size
, big_endian
>::write(
612 unsigned char* pov
) const
614 elfcpp::Rela_write
<size
, big_endian
> orel(pov
);
615 this->rel_
.write_rel(&orel
);
616 orel
.put_r_addend(this->addend_
);
619 // Output_data_reloc_base methods.
621 // Adjust the output section.
623 template<int sh_type
, bool dynamic
, int size
, bool big_endian
>
625 Output_data_reloc_base
<sh_type
, dynamic
, size
, big_endian
>
626 ::do_adjust_output_section(Output_section
* os
)
628 if (sh_type
== elfcpp::SHT_REL
)
629 os
->set_entsize(elfcpp::Elf_sizes
<size
>::rel_size
);
630 else if (sh_type
== elfcpp::SHT_RELA
)
631 os
->set_entsize(elfcpp::Elf_sizes
<size
>::rela_size
);
635 os
->set_should_link_to_dynsym();
637 os
->set_should_link_to_symtab();
640 // Write out relocation data.
642 template<int sh_type
, bool dynamic
, int size
, bool big_endian
>
644 Output_data_reloc_base
<sh_type
, dynamic
, size
, big_endian
>::do_write(
647 const off_t off
= this->offset();
648 const off_t oview_size
= this->data_size();
649 unsigned char* const oview
= of
->get_output_view(off
, oview_size
);
651 unsigned char* pov
= oview
;
652 for (typename
Relocs::const_iterator p
= this->relocs_
.begin();
653 p
!= this->relocs_
.end();
660 gold_assert(pov
- oview
== oview_size
);
662 of
->write_output_view(off
, oview_size
, oview
);
664 // We no longer need the relocation entries.
665 this->relocs_
.clear();
668 // Output_data_got::Got_entry methods.
670 // Write out the entry.
672 template<int size
, bool big_endian
>
674 Output_data_got
<size
, big_endian
>::Got_entry::write(unsigned char* pov
) const
678 switch (this->local_sym_index_
)
682 Symbol
* gsym
= this->u_
.gsym
;
684 // If the symbol is resolved locally, we need to write out its
685 // value. Otherwise we just write zero. The target code is
686 // responsible for creating a relocation entry to fill in the
687 // value at runtime. For non-preemptible symbols in a shared
688 // library, the target will need to record whether or not the
689 // value should be written (e.g., it may use a RELATIVE
691 if (gsym
->final_value_is_known() || gsym
->needs_value_in_got())
693 Sized_symbol
<size
>* sgsym
;
694 // This cast is a bit ugly. We don't want to put a
695 // virtual method in Symbol, because we want Symbol to be
696 // as small as possible.
697 sgsym
= static_cast<Sized_symbol
<size
>*>(gsym
);
698 val
= sgsym
->value();
704 val
= this->u_
.constant
;
708 val
= this->u_
.object
->local_symbol_value(this->local_sym_index_
);
712 elfcpp::Swap
<size
, big_endian
>::writeval(pov
, val
);
715 // Output_data_got methods.
717 // Add an entry for a global symbol to the GOT. This returns true if
718 // this is a new GOT entry, false if the symbol already had a GOT
721 template<int size
, bool big_endian
>
723 Output_data_got
<size
, big_endian
>::add_global(Symbol
* gsym
)
725 if (gsym
->has_got_offset())
728 this->entries_
.push_back(Got_entry(gsym
));
729 this->set_got_size();
730 gsym
->set_got_offset(this->last_got_offset());
734 // Add an entry for a local symbol to the GOT. This returns true if
735 // this is a new GOT entry, false if the symbol already has a GOT
738 template<int size
, bool big_endian
>
740 Output_data_got
<size
, big_endian
>::add_local(
741 Sized_relobj
<size
, big_endian
>* object
,
744 if (object
->local_has_got_offset(symndx
))
746 this->entries_
.push_back(Got_entry(object
, symndx
));
747 this->set_got_size();
748 object
->set_local_got_offset(symndx
, this->last_got_offset());
752 // Write out the GOT.
754 template<int size
, bool big_endian
>
756 Output_data_got
<size
, big_endian
>::do_write(Output_file
* of
)
758 const int add
= size
/ 8;
760 const off_t off
= this->offset();
761 const off_t oview_size
= this->data_size();
762 unsigned char* const oview
= of
->get_output_view(off
, oview_size
);
764 unsigned char* pov
= oview
;
765 for (typename
Got_entries::const_iterator p
= this->entries_
.begin();
766 p
!= this->entries_
.end();
773 gold_assert(pov
- oview
== oview_size
);
775 of
->write_output_view(off
, oview_size
, oview
);
777 // We no longer need the GOT entries.
778 this->entries_
.clear();
781 // Output_data_dynamic::Dynamic_entry methods.
783 // Write out the entry.
785 template<int size
, bool big_endian
>
787 Output_data_dynamic::Dynamic_entry::write(
789 const Stringpool
* pool
790 ACCEPT_SIZE_ENDIAN
) const
792 typename
elfcpp::Elf_types
<size
>::Elf_WXword val
;
793 switch (this->classification_
)
799 case DYNAMIC_SECTION_ADDRESS
:
800 val
= this->u_
.od
->address();
803 case DYNAMIC_SECTION_SIZE
:
804 val
= this->u_
.od
->data_size();
809 const Sized_symbol
<size
>* s
=
810 static_cast<const Sized_symbol
<size
>*>(this->u_
.sym
);
816 val
= pool
->get_offset(this->u_
.str
);
823 elfcpp::Dyn_write
<size
, big_endian
> dw(pov
);
824 dw
.put_d_tag(this->tag_
);
828 // Output_data_dynamic methods.
830 // Adjust the output section to set the entry size.
833 Output_data_dynamic::do_adjust_output_section(Output_section
* os
)
835 if (parameters
->get_size() == 32)
836 os
->set_entsize(elfcpp::Elf_sizes
<32>::dyn_size
);
837 else if (parameters
->get_size() == 64)
838 os
->set_entsize(elfcpp::Elf_sizes
<64>::dyn_size
);
843 // Set the final data size.
846 Output_data_dynamic::do_set_address(uint64_t, off_t
)
848 // Add the terminating entry.
849 this->add_constant(elfcpp::DT_NULL
, 0);
852 if (parameters
->get_size() == 32)
853 dyn_size
= elfcpp::Elf_sizes
<32>::dyn_size
;
854 else if (parameters
->get_size() == 64)
855 dyn_size
= elfcpp::Elf_sizes
<64>::dyn_size
;
858 this->set_data_size(this->entries_
.size() * dyn_size
);
861 // Write out the dynamic entries.
864 Output_data_dynamic::do_write(Output_file
* of
)
866 if (parameters
->get_size() == 32)
868 if (parameters
->is_big_endian())
870 #ifdef HAVE_TARGET_32_BIG
871 this->sized_write
<32, true>(of
);
878 #ifdef HAVE_TARGET_32_LITTLE
879 this->sized_write
<32, false>(of
);
885 else if (parameters
->get_size() == 64)
887 if (parameters
->is_big_endian())
889 #ifdef HAVE_TARGET_64_BIG
890 this->sized_write
<64, true>(of
);
897 #ifdef HAVE_TARGET_64_LITTLE
898 this->sized_write
<64, false>(of
);
908 template<int size
, bool big_endian
>
910 Output_data_dynamic::sized_write(Output_file
* of
)
912 const int dyn_size
= elfcpp::Elf_sizes
<size
>::dyn_size
;
914 const off_t offset
= this->offset();
915 const off_t oview_size
= this->data_size();
916 unsigned char* const oview
= of
->get_output_view(offset
, oview_size
);
918 unsigned char* pov
= oview
;
919 for (typename
Dynamic_entries::const_iterator p
= this->entries_
.begin();
920 p
!= this->entries_
.end();
923 p
->write
SELECT_SIZE_ENDIAN_NAME(size
, big_endian
)(
924 pov
, this->pool_
SELECT_SIZE_ENDIAN(size
, big_endian
));
928 gold_assert(pov
- oview
== oview_size
);
930 of
->write_output_view(offset
, oview_size
, oview
);
932 // We no longer need the dynamic entries.
933 this->entries_
.clear();
936 // Output_section::Input_section methods.
938 // Return the data size. For an input section we store the size here.
939 // For an Output_section_data, we have to ask it for the size.
942 Output_section::Input_section::data_size() const
944 if (this->is_input_section())
945 return this->u1_
.data_size
;
947 return this->u2_
.posd
->data_size();
950 // Set the address and file offset.
953 Output_section::Input_section::set_address(uint64_t addr
, off_t off
,
956 if (this->is_input_section())
957 this->u2_
.object
->set_section_offset(this->shndx_
, off
- secoff
);
959 this->u2_
.posd
->set_address(addr
, off
);
962 // Try to turn an input offset into an output offset.
965 Output_section::Input_section::output_offset(const Relobj
* object
,
968 off_t
*poutput
) const
970 if (!this->is_input_section())
971 return this->u2_
.posd
->output_offset(object
, shndx
, offset
, poutput
);
974 if (this->shndx_
!= shndx
|| this->u2_
.object
!= object
)
977 Output_section
* os
= object
->output_section(shndx
, &output_offset
);
978 gold_assert(os
!= NULL
);
979 gold_assert(output_offset
!= -1);
980 *poutput
= output_offset
+ offset
;
985 // Write out the data. We don't have to do anything for an input
986 // section--they are handled via Object::relocate--but this is where
987 // we write out the data for an Output_section_data.
990 Output_section::Input_section::write(Output_file
* of
)
992 if (!this->is_input_section())
993 this->u2_
.posd
->write(of
);
996 // Output_section methods.
998 // Construct an Output_section. NAME will point into a Stringpool.
1000 Output_section::Output_section(const char* name
, elfcpp::Elf_Word type
,
1001 elfcpp::Elf_Xword flags
)
1005 link_section_(NULL
),
1007 info_section_(NULL
),
1015 first_input_offset_(0),
1017 needs_symtab_index_(false),
1018 needs_dynsym_index_(false),
1019 should_link_to_symtab_(false),
1020 should_link_to_dynsym_(false),
1021 after_input_sections_(false)
1025 Output_section::~Output_section()
1029 // Set the entry size.
1032 Output_section::set_entsize(uint64_t v
)
1034 if (this->entsize_
== 0)
1037 gold_assert(this->entsize_
== v
);
1040 // Add the input section SHNDX, with header SHDR, named SECNAME, in
1041 // OBJECT, to the Output_section. RELOC_SHNDX is the index of a
1042 // relocation section which applies to this section, or 0 if none, or
1043 // -1U if more than one. Return the offset of the input section
1044 // within the output section. Return -1 if the input section will
1045 // receive special handling. In the normal case we don't always keep
1046 // track of input sections for an Output_section. Instead, each
1047 // Object keeps track of the Output_section for each of its input
1050 template<int size
, bool big_endian
>
1052 Output_section::add_input_section(Sized_relobj
<size
, big_endian
>* object
,
1054 const char* secname
,
1055 const elfcpp::Shdr
<size
, big_endian
>& shdr
,
1056 unsigned int reloc_shndx
)
1058 elfcpp::Elf_Xword addralign
= shdr
.get_sh_addralign();
1059 if ((addralign
& (addralign
- 1)) != 0)
1061 object
->error(_("invalid alignment %lu for section \"%s\""),
1062 static_cast<unsigned long>(addralign
), secname
);
1066 if (addralign
> this->addralign_
)
1067 this->addralign_
= addralign
;
1069 // If this is a SHF_MERGE section, we pass all the input sections to
1070 // a Output_data_merge. We don't try to handle relocations for such
1072 if ((shdr
.get_sh_flags() & elfcpp::SHF_MERGE
) != 0
1073 && reloc_shndx
== 0)
1075 if (this->add_merge_input_section(object
, shndx
, shdr
.get_sh_flags(),
1076 shdr
.get_sh_entsize(),
1079 // Tell the relocation routines that they need to call the
1080 // output_offset method to determine the final address.
1085 off_t offset_in_section
= this->data_size();
1086 off_t aligned_offset_in_section
= align_address(offset_in_section
,
1089 if (aligned_offset_in_section
> offset_in_section
1090 && (shdr
.get_sh_flags() & elfcpp::SHF_EXECINSTR
) != 0
1091 && object
->target()->has_code_fill())
1093 // We need to add some fill data. Using fill_list_ when
1094 // possible is an optimization, since we will often have fill
1095 // sections without input sections.
1096 off_t fill_len
= aligned_offset_in_section
- offset_in_section
;
1097 if (this->input_sections_
.empty())
1098 this->fills_
.push_back(Fill(offset_in_section
, fill_len
));
1101 // FIXME: When relaxing, the size needs to adjust to
1102 // maintain a constant alignment.
1103 std::string
fill_data(object
->target()->code_fill(fill_len
));
1104 Output_data_const
* odc
= new Output_data_const(fill_data
, 1);
1105 this->input_sections_
.push_back(Input_section(odc
));
1109 this->set_data_size(aligned_offset_in_section
+ shdr
.get_sh_size());
1111 // We need to keep track of this section if we are already keeping
1112 // track of sections, or if we are relaxing. FIXME: Add test for
1114 if (!this->input_sections_
.empty())
1115 this->input_sections_
.push_back(Input_section(object
, shndx
,
1119 return aligned_offset_in_section
;
1122 // Add arbitrary data to an output section.
1125 Output_section::add_output_section_data(Output_section_data
* posd
)
1127 Input_section
inp(posd
);
1128 this->add_output_section_data(&inp
);
1131 // Add arbitrary data to an output section by Input_section.
1134 Output_section::add_output_section_data(Input_section
* inp
)
1136 if (this->input_sections_
.empty())
1137 this->first_input_offset_
= this->data_size();
1139 this->input_sections_
.push_back(*inp
);
1141 uint64_t addralign
= inp
->addralign();
1142 if (addralign
> this->addralign_
)
1143 this->addralign_
= addralign
;
1145 inp
->set_output_section(this);
1148 // Add a merge section to an output section.
1151 Output_section::add_output_merge_section(Output_section_data
* posd
,
1152 bool is_string
, uint64_t entsize
)
1154 Input_section
inp(posd
, is_string
, entsize
);
1155 this->add_output_section_data(&inp
);
1158 // Add an input section to a SHF_MERGE section.
1161 Output_section::add_merge_input_section(Relobj
* object
, unsigned int shndx
,
1162 uint64_t flags
, uint64_t entsize
,
1165 bool is_string
= (flags
& elfcpp::SHF_STRINGS
) != 0;
1167 // We only merge strings if the alignment is not more than the
1168 // character size. This could be handled, but it's unusual.
1169 if (is_string
&& addralign
> entsize
)
1172 Input_section_list::iterator p
;
1173 for (p
= this->input_sections_
.begin();
1174 p
!= this->input_sections_
.end();
1176 if (p
->is_merge_section(is_string
, entsize
, addralign
))
1179 // We handle the actual constant merging in Output_merge_data or
1180 // Output_merge_string_data.
1181 if (p
!= this->input_sections_
.end())
1182 p
->add_input_section(object
, shndx
);
1185 Output_section_data
* posd
;
1187 posd
= new Output_merge_data(entsize
, addralign
);
1188 else if (entsize
== 1)
1189 posd
= new Output_merge_string
<char>(addralign
);
1190 else if (entsize
== 2)
1191 posd
= new Output_merge_string
<uint16_t>(addralign
);
1192 else if (entsize
== 4)
1193 posd
= new Output_merge_string
<uint32_t>(addralign
);
1197 this->add_output_merge_section(posd
, is_string
, entsize
);
1198 posd
->add_input_section(object
, shndx
);
1204 // Given an address OFFSET relative to the start of input section
1205 // SHNDX in OBJECT, return whether this address is being included in
1206 // the final link. This should only be called if SHNDX in OBJECT has
1207 // a special mapping.
1210 Output_section::is_input_address_mapped(const Relobj
* object
,
1214 gold_assert(object
->is_section_specially_mapped(shndx
));
1216 for (Input_section_list::const_iterator p
= this->input_sections_
.begin();
1217 p
!= this->input_sections_
.end();
1220 off_t output_offset
;
1221 if (p
->output_offset(object
, shndx
, offset
, &output_offset
))
1222 return output_offset
!= -1;
1225 // By default we assume that the address is mapped. This should
1226 // only be called after we have passed all sections to Layout. At
1227 // that point we should know what we are discarding.
1231 // Given an address OFFSET relative to the start of input section
1232 // SHNDX in object OBJECT, return the output offset relative to the
1233 // start of the section. This should only be called if SHNDX in
1234 // OBJECT has a special mapping.
1237 Output_section::output_offset(const Relobj
* object
, unsigned int shndx
,
1240 gold_assert(object
->is_section_specially_mapped(shndx
));
1241 // This can only be called meaningfully when layout is complete.
1242 gold_assert(Output_data::is_layout_complete());
1244 for (Input_section_list::const_iterator p
= this->input_sections_
.begin();
1245 p
!= this->input_sections_
.end();
1248 off_t output_offset
;
1249 if (p
->output_offset(object
, shndx
, offset
, &output_offset
))
1250 return output_offset
;
1255 // Return the output virtual address of OFFSET relative to the start
1256 // of input section SHNDX in object OBJECT.
1259 Output_section::output_address(const Relobj
* object
, unsigned int shndx
,
1262 gold_assert(object
->is_section_specially_mapped(shndx
));
1263 // This can only be called meaningfully when layout is complete.
1264 gold_assert(Output_data::is_layout_complete());
1266 uint64_t addr
= this->address() + this->first_input_offset_
;
1267 for (Input_section_list::const_iterator p
= this->input_sections_
.begin();
1268 p
!= this->input_sections_
.end();
1271 addr
= align_address(addr
, p
->addralign());
1272 off_t output_offset
;
1273 if (p
->output_offset(object
, shndx
, offset
, &output_offset
))
1275 if (output_offset
== -1)
1277 return addr
+ output_offset
;
1279 addr
+= p
->data_size();
1282 // If we get here, it means that we don't know the mapping for this
1283 // input section. This might happen in principle if
1284 // add_input_section were called before add_output_section_data.
1285 // But it should never actually happen.
1290 // Set the address of an Output_section. This is where we handle
1291 // setting the addresses of any Output_section_data objects.
1294 Output_section::do_set_address(uint64_t address
, off_t startoff
)
1296 if (this->input_sections_
.empty())
1299 off_t off
= startoff
+ this->first_input_offset_
;
1300 for (Input_section_list::iterator p
= this->input_sections_
.begin();
1301 p
!= this->input_sections_
.end();
1304 off
= align_address(off
, p
->addralign());
1305 p
->set_address(address
+ (off
- startoff
), off
, startoff
);
1306 off
+= p
->data_size();
1309 this->set_data_size(off
- startoff
);
1312 // Write the section header to *OSHDR.
1314 template<int size
, bool big_endian
>
1316 Output_section::write_header(const Layout
* layout
,
1317 const Stringpool
* secnamepool
,
1318 elfcpp::Shdr_write
<size
, big_endian
>* oshdr
) const
1320 oshdr
->put_sh_name(secnamepool
->get_offset(this->name_
));
1321 oshdr
->put_sh_type(this->type_
);
1322 oshdr
->put_sh_flags(this->flags_
);
1323 oshdr
->put_sh_addr(this->address());
1324 oshdr
->put_sh_offset(this->offset());
1325 oshdr
->put_sh_size(this->data_size());
1326 if (this->link_section_
!= NULL
)
1327 oshdr
->put_sh_link(this->link_section_
->out_shndx());
1328 else if (this->should_link_to_symtab_
)
1329 oshdr
->put_sh_link(layout
->symtab_section()->out_shndx());
1330 else if (this->should_link_to_dynsym_
)
1331 oshdr
->put_sh_link(layout
->dynsym_section()->out_shndx());
1333 oshdr
->put_sh_link(this->link_
);
1334 if (this->info_section_
!= NULL
)
1335 oshdr
->put_sh_info(this->info_section_
->out_shndx());
1337 oshdr
->put_sh_info(this->info_
);
1338 oshdr
->put_sh_addralign(this->addralign_
);
1339 oshdr
->put_sh_entsize(this->entsize_
);
1342 // Write out the data. For input sections the data is written out by
1343 // Object::relocate, but we have to handle Output_section_data objects
1347 Output_section::do_write(Output_file
* of
)
1349 off_t output_section_file_offset
= this->offset();
1350 for (Fill_list::iterator p
= this->fills_
.begin();
1351 p
!= this->fills_
.end();
1354 std::string
fill_data(of
->target()->code_fill(p
->length()));
1355 of
->write(output_section_file_offset
+ p
->section_offset(),
1356 fill_data
.data(), fill_data
.size());
1359 for (Input_section_list::iterator p
= this->input_sections_
.begin();
1360 p
!= this->input_sections_
.end();
1365 // Output segment methods.
1367 Output_segment::Output_segment(elfcpp::Elf_Word type
, elfcpp::Elf_Word flags
)
1378 is_align_known_(false)
1382 // Add an Output_section to an Output_segment.
1385 Output_segment::add_output_section(Output_section
* os
,
1386 elfcpp::Elf_Word seg_flags
,
1389 gold_assert((os
->flags() & elfcpp::SHF_ALLOC
) != 0);
1390 gold_assert(!this->is_align_known_
);
1392 // Update the segment flags.
1393 this->flags_
|= seg_flags
;
1395 Output_segment::Output_data_list
* pdl
;
1396 if (os
->type() == elfcpp::SHT_NOBITS
)
1397 pdl
= &this->output_bss_
;
1399 pdl
= &this->output_data_
;
1401 // So that PT_NOTE segments will work correctly, we need to ensure
1402 // that all SHT_NOTE sections are adjacent. This will normally
1403 // happen automatically, because all the SHT_NOTE input sections
1404 // will wind up in the same output section. However, it is possible
1405 // for multiple SHT_NOTE input sections to have different section
1406 // flags, and thus be in different output sections, but for the
1407 // different section flags to map into the same segment flags and
1408 // thus the same output segment.
1410 // Note that while there may be many input sections in an output
1411 // section, there are normally only a few output sections in an
1412 // output segment. This loop is expected to be fast.
1414 if (os
->type() == elfcpp::SHT_NOTE
&& !pdl
->empty())
1416 Output_segment::Output_data_list::iterator p
= pdl
->end();
1420 if ((*p
)->is_section_type(elfcpp::SHT_NOTE
))
1422 // We don't worry about the FRONT parameter.
1428 while (p
!= pdl
->begin());
1431 // Similarly, so that PT_TLS segments will work, we need to group
1432 // SHF_TLS sections. An SHF_TLS/SHT_NOBITS section is a special
1433 // case: we group the SHF_TLS/SHT_NOBITS sections right after the
1434 // SHF_TLS/SHT_PROGBITS sections. This lets us set up PT_TLS
1436 if ((os
->flags() & elfcpp::SHF_TLS
) != 0 && !this->output_data_
.empty())
1438 pdl
= &this->output_data_
;
1439 bool nobits
= os
->type() == elfcpp::SHT_NOBITS
;
1440 bool sawtls
= false;
1441 Output_segment::Output_data_list::iterator p
= pdl
->end();
1446 if ((*p
)->is_section_flag_set(elfcpp::SHF_TLS
))
1449 // Put a NOBITS section after the first TLS section.
1450 // But a PROGBITS section after the first TLS/PROGBITS
1452 insert
= nobits
|| !(*p
)->is_section_type(elfcpp::SHT_NOBITS
);
1456 // If we've gone past the TLS sections, but we've seen a
1457 // TLS section, then we need to insert this section now.
1463 // We don't worry about the FRONT parameter.
1469 while (p
!= pdl
->begin());
1471 // There are no TLS sections yet; put this one at the requested
1472 // location in the section list.
1476 pdl
->push_front(os
);
1481 // Add an Output_data (which is not an Output_section) to the start of
1485 Output_segment::add_initial_output_data(Output_data
* od
)
1487 gold_assert(!this->is_align_known_
);
1488 this->output_data_
.push_front(od
);
1491 // Return the maximum alignment of the Output_data in Output_segment.
1492 // Once we compute this, we prohibit new sections from being added.
1495 Output_segment::addralign()
1497 if (!this->is_align_known_
)
1501 addralign
= Output_segment::maximum_alignment(&this->output_data_
);
1502 if (addralign
> this->align_
)
1503 this->align_
= addralign
;
1505 addralign
= Output_segment::maximum_alignment(&this->output_bss_
);
1506 if (addralign
> this->align_
)
1507 this->align_
= addralign
;
1509 this->is_align_known_
= true;
1512 return this->align_
;
1515 // Return the maximum alignment of a list of Output_data.
1518 Output_segment::maximum_alignment(const Output_data_list
* pdl
)
1521 for (Output_data_list::const_iterator p
= pdl
->begin();
1525 uint64_t addralign
= (*p
)->addralign();
1526 if (addralign
> ret
)
1532 // Set the section addresses for an Output_segment. ADDR is the
1533 // address and *POFF is the file offset. Set the section indexes
1534 // starting with *PSHNDX. Return the address of the immediately
1535 // following segment. Update *POFF and *PSHNDX.
1538 Output_segment::set_section_addresses(uint64_t addr
, off_t
* poff
,
1539 unsigned int* pshndx
)
1541 gold_assert(this->type_
== elfcpp::PT_LOAD
);
1543 this->vaddr_
= addr
;
1544 this->paddr_
= addr
;
1546 off_t orig_off
= *poff
;
1547 this->offset_
= orig_off
;
1549 *poff
= align_address(*poff
, this->addralign());
1551 addr
= this->set_section_list_addresses(&this->output_data_
, addr
, poff
,
1553 this->filesz_
= *poff
- orig_off
;
1557 uint64_t ret
= this->set_section_list_addresses(&this->output_bss_
, addr
,
1559 this->memsz_
= *poff
- orig_off
;
1561 // Ignore the file offset adjustments made by the BSS Output_data
1568 // Set the addresses and file offsets in a list of Output_data
1572 Output_segment::set_section_list_addresses(Output_data_list
* pdl
,
1573 uint64_t addr
, off_t
* poff
,
1574 unsigned int* pshndx
)
1576 off_t startoff
= *poff
;
1578 off_t off
= startoff
;
1579 for (Output_data_list::iterator p
= pdl
->begin();
1583 off
= align_address(off
, (*p
)->addralign());
1584 (*p
)->set_address(addr
+ (off
- startoff
), off
);
1586 // Unless this is a PT_TLS segment, we want to ignore the size
1587 // of a SHF_TLS/SHT_NOBITS section. Such a section does not
1588 // affect the size of a PT_LOAD segment.
1589 if (this->type_
== elfcpp::PT_TLS
1590 || !(*p
)->is_section_flag_set(elfcpp::SHF_TLS
)
1591 || !(*p
)->is_section_type(elfcpp::SHT_NOBITS
))
1592 off
+= (*p
)->data_size();
1594 if ((*p
)->is_section())
1596 (*p
)->set_out_shndx(*pshndx
);
1602 return addr
+ (off
- startoff
);
1605 // For a non-PT_LOAD segment, set the offset from the sections, if
1609 Output_segment::set_offset()
1611 gold_assert(this->type_
!= elfcpp::PT_LOAD
);
1613 if (this->output_data_
.empty() && this->output_bss_
.empty())
1624 const Output_data
* first
;
1625 if (this->output_data_
.empty())
1626 first
= this->output_bss_
.front();
1628 first
= this->output_data_
.front();
1629 this->vaddr_
= first
->address();
1630 this->paddr_
= this->vaddr_
;
1631 this->offset_
= first
->offset();
1633 if (this->output_data_
.empty())
1637 const Output_data
* last_data
= this->output_data_
.back();
1638 this->filesz_
= (last_data
->address()
1639 + last_data
->data_size()
1643 const Output_data
* last
;
1644 if (this->output_bss_
.empty())
1645 last
= this->output_data_
.back();
1647 last
= this->output_bss_
.back();
1648 this->memsz_
= (last
->address()
1653 // Return the number of Output_sections in an Output_segment.
1656 Output_segment::output_section_count() const
1658 return (this->output_section_count_list(&this->output_data_
)
1659 + this->output_section_count_list(&this->output_bss_
));
1662 // Return the number of Output_sections in an Output_data_list.
1665 Output_segment::output_section_count_list(const Output_data_list
* pdl
) const
1667 unsigned int count
= 0;
1668 for (Output_data_list::const_iterator p
= pdl
->begin();
1672 if ((*p
)->is_section())
1678 // Write the segment data into *OPHDR.
1680 template<int size
, bool big_endian
>
1682 Output_segment::write_header(elfcpp::Phdr_write
<size
, big_endian
>* ophdr
)
1684 ophdr
->put_p_type(this->type_
);
1685 ophdr
->put_p_offset(this->offset_
);
1686 ophdr
->put_p_vaddr(this->vaddr_
);
1687 ophdr
->put_p_paddr(this->paddr_
);
1688 ophdr
->put_p_filesz(this->filesz_
);
1689 ophdr
->put_p_memsz(this->memsz_
);
1690 ophdr
->put_p_flags(this->flags_
);
1691 ophdr
->put_p_align(this->addralign());
1694 // Write the section headers into V.
1696 template<int size
, bool big_endian
>
1698 Output_segment::write_section_headers(const Layout
* layout
,
1699 const Stringpool
* secnamepool
,
1701 unsigned int *pshndx
1702 ACCEPT_SIZE_ENDIAN
) const
1704 // Every section that is attached to a segment must be attached to a
1705 // PT_LOAD segment, so we only write out section headers for PT_LOAD
1707 if (this->type_
!= elfcpp::PT_LOAD
)
1710 v
= this->write_section_headers_list
1711 SELECT_SIZE_ENDIAN_NAME(size
, big_endian
) (
1712 layout
, secnamepool
, &this->output_data_
, v
, pshndx
1713 SELECT_SIZE_ENDIAN(size
, big_endian
));
1714 v
= this->write_section_headers_list
1715 SELECT_SIZE_ENDIAN_NAME(size
, big_endian
) (
1716 layout
, secnamepool
, &this->output_bss_
, v
, pshndx
1717 SELECT_SIZE_ENDIAN(size
, big_endian
));
1721 template<int size
, bool big_endian
>
1723 Output_segment::write_section_headers_list(const Layout
* layout
,
1724 const Stringpool
* secnamepool
,
1725 const Output_data_list
* pdl
,
1727 unsigned int* pshndx
1728 ACCEPT_SIZE_ENDIAN
) const
1730 const int shdr_size
= elfcpp::Elf_sizes
<size
>::shdr_size
;
1731 for (Output_data_list::const_iterator p
= pdl
->begin();
1735 if ((*p
)->is_section())
1737 const Output_section
* ps
= static_cast<const Output_section
*>(*p
);
1738 gold_assert(*pshndx
== ps
->out_shndx());
1739 elfcpp::Shdr_write
<size
, big_endian
> oshdr(v
);
1740 ps
->write_header(layout
, secnamepool
, &oshdr
);
1748 // Output_file methods.
1750 Output_file::Output_file(const General_options
& options
, Target
* target
)
1751 : options_(options
),
1753 name_(options
.output_file_name()),
1760 // Open the output file.
1763 Output_file::open(off_t file_size
)
1765 this->file_size_
= file_size
;
1767 // Unlink the file first; otherwise the open() may fail if the file
1768 // is busy (e.g. it's an executable that's currently being executed).
1770 // However, the linker may be part of a system where a zero-length
1771 // file is created for it to write to, with tight permissions (gcc
1772 // 2.95 did something like this). Unlinking the file would work
1773 // around those permission controls, so we only unlink if the file
1774 // has a non-zero size. We also unlink only regular files to avoid
1775 // trouble with directories/etc.
1777 // If we fail, continue; this command is merely a best-effort attempt
1778 // to improve the odds for open().
1781 if (::stat(this->name_
, &s
) == 0 && s
.st_size
!= 0)
1782 unlink_if_ordinary(this->name_
);
1784 int mode
= parameters
->output_is_object() ? 0666 : 0777;
1785 int o
= ::open(this->name_
, O_RDWR
| O_CREAT
| O_TRUNC
, mode
);
1787 gold_fatal(_("%s: open: %s"), this->name_
, strerror(errno
));
1790 // Write out one byte to make the file the right size.
1791 if (::lseek(o
, file_size
- 1, SEEK_SET
) < 0)
1792 gold_fatal(_("%s: lseek: %s"), this->name_
, strerror(errno
));
1794 if (::write(o
, &b
, 1) != 1)
1795 gold_fatal(_("%s: write: %s"), this->name_
, strerror(errno
));
1797 // Map the file into memory.
1798 void* base
= ::mmap(NULL
, file_size
, PROT_READ
| PROT_WRITE
,
1800 if (base
== MAP_FAILED
)
1801 gold_fatal(_("%s: mmap: %s"), this->name_
, strerror(errno
));
1802 this->base_
= static_cast<unsigned char*>(base
);
1805 // Close the output file.
1808 Output_file::close()
1810 if (::munmap(this->base_
, this->file_size_
) < 0)
1811 gold_error(_("%s: munmap: %s"), this->name_
, strerror(errno
));
1814 if (::close(this->o_
) < 0)
1815 gold_error(_("%s: close: %s"), this->name_
, strerror(errno
));
1819 // Instantiate the templates we need. We could use the configure
1820 // script to restrict this to only the ones for implemented targets.
1822 #ifdef HAVE_TARGET_32_LITTLE
1825 Output_section::add_input_section
<32, false>(
1826 Sized_relobj
<32, false>* object
,
1828 const char* secname
,
1829 const elfcpp::Shdr
<32, false>& shdr
,
1830 unsigned int reloc_shndx
);
1833 #ifdef HAVE_TARGET_32_BIG
1836 Output_section::add_input_section
<32, true>(
1837 Sized_relobj
<32, true>* object
,
1839 const char* secname
,
1840 const elfcpp::Shdr
<32, true>& shdr
,
1841 unsigned int reloc_shndx
);
1844 #ifdef HAVE_TARGET_64_LITTLE
1847 Output_section::add_input_section
<64, false>(
1848 Sized_relobj
<64, false>* object
,
1850 const char* secname
,
1851 const elfcpp::Shdr
<64, false>& shdr
,
1852 unsigned int reloc_shndx
);
1855 #ifdef HAVE_TARGET_64_BIG
1858 Output_section::add_input_section
<64, true>(
1859 Sized_relobj
<64, true>* object
,
1861 const char* secname
,
1862 const elfcpp::Shdr
<64, true>& shdr
,
1863 unsigned int reloc_shndx
);
1866 #ifdef HAVE_TARGET_32_LITTLE
1868 class Output_data_reloc
<elfcpp::SHT_REL
, false, 32, false>;
1871 #ifdef HAVE_TARGET_32_BIG
1873 class Output_data_reloc
<elfcpp::SHT_REL
, false, 32, true>;
1876 #ifdef HAVE_TARGET_64_LITTLE
1878 class Output_data_reloc
<elfcpp::SHT_REL
, false, 64, false>;
1881 #ifdef HAVE_TARGET_64_BIG
1883 class Output_data_reloc
<elfcpp::SHT_REL
, false, 64, true>;
1886 #ifdef HAVE_TARGET_32_LITTLE
1888 class Output_data_reloc
<elfcpp::SHT_REL
, true, 32, false>;
1891 #ifdef HAVE_TARGET_32_BIG
1893 class Output_data_reloc
<elfcpp::SHT_REL
, true, 32, true>;
1896 #ifdef HAVE_TARGET_64_LITTLE
1898 class Output_data_reloc
<elfcpp::SHT_REL
, true, 64, false>;
1901 #ifdef HAVE_TARGET_64_BIG
1903 class Output_data_reloc
<elfcpp::SHT_REL
, true, 64, true>;
1906 #ifdef HAVE_TARGET_32_LITTLE
1908 class Output_data_reloc
<elfcpp::SHT_RELA
, false, 32, false>;
1911 #ifdef HAVE_TARGET_32_BIG
1913 class Output_data_reloc
<elfcpp::SHT_RELA
, false, 32, true>;
1916 #ifdef HAVE_TARGET_64_LITTLE
1918 class Output_data_reloc
<elfcpp::SHT_RELA
, false, 64, false>;
1921 #ifdef HAVE_TARGET_64_BIG
1923 class Output_data_reloc
<elfcpp::SHT_RELA
, false, 64, true>;
1926 #ifdef HAVE_TARGET_32_LITTLE
1928 class Output_data_reloc
<elfcpp::SHT_RELA
, true, 32, false>;
1931 #ifdef HAVE_TARGET_32_BIG
1933 class Output_data_reloc
<elfcpp::SHT_RELA
, true, 32, true>;
1936 #ifdef HAVE_TARGET_64_LITTLE
1938 class Output_data_reloc
<elfcpp::SHT_RELA
, true, 64, false>;
1941 #ifdef HAVE_TARGET_64_BIG
1943 class Output_data_reloc
<elfcpp::SHT_RELA
, true, 64, true>;
1946 #ifdef HAVE_TARGET_32_LITTLE
1948 class Output_data_got
<32, false>;
1951 #ifdef HAVE_TARGET_32_BIG
1953 class Output_data_got
<32, true>;
1956 #ifdef HAVE_TARGET_64_LITTLE
1958 class Output_data_got
<64, false>;
1961 #ifdef HAVE_TARGET_64_BIG
1963 class Output_data_got
<64, true>;
1966 } // End namespace gold.