1999-05-03 09:29:11 +02:00
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/* Target definitions for NN-bit ELF
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2017-01-02 04:36:43 +01:00
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Copyright (C) 1993-2017 Free Software Foundation, Inc.
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1999-05-03 09:29:11 +02:00
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2002-07-23 13:15:06 +02:00
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This file is part of BFD, the Binary File Descriptor library.
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1999-05-03 09:29:11 +02:00
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2002-07-23 13:15:06 +02:00
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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2007-07-03 16:26:43 +02:00
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the Free Software Foundation; either version 3 of the License, or
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2002-07-23 13:15:06 +02:00
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(at your option) any later version.
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1999-05-03 09:29:11 +02:00
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2002-07-23 13:15:06 +02:00
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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1999-05-03 09:29:11 +02:00
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2002-07-23 13:15:06 +02:00
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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2007-07-03 16:26:43 +02:00
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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1999-05-03 09:29:11 +02:00
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/* This structure contains everything that BFD knows about a target.
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It includes things like its byte order, name, what routines to call
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to do various operations, etc. Every BFD points to a target structure
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with its "xvec" member.
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There are two such structures here: one for big-endian machines and
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one for little-endian machines. */
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2005-08-08 13:06:16 +02:00
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#ifndef bfd_elfNN_close_and_cleanup
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1999-05-03 09:29:11 +02:00
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#define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup
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2005-08-08 13:06:16 +02:00
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#endif
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2006-04-25 19:46:15 +02:00
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#ifndef bfd_elfNN_bfd_free_cached_info
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#define bfd_elfNN_bfd_free_cached_info _bfd_free_cached_info
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#endif
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1999-05-03 09:29:11 +02:00
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#ifndef bfd_elfNN_get_section_contents
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#define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
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#endif
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2003-07-31 16:38:15 +02:00
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#define bfd_elfNN_canonicalize_dynamic_symtab \
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_bfd_elf_canonicalize_dynamic_symtab
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2004-08-17 11:07:35 +02:00
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#ifndef bfd_elfNN_get_synthetic_symtab
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2004-04-22 16:45:32 +02:00
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#define bfd_elfNN_get_synthetic_symtab \
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_bfd_elf_get_synthetic_symtab
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2004-08-17 11:07:35 +02:00
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#endif
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2003-03-12 23:52:12 +01:00
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#ifndef bfd_elfNN_canonicalize_reloc
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1999-05-03 09:29:11 +02:00
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#define bfd_elfNN_canonicalize_reloc _bfd_elf_canonicalize_reloc
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2003-03-12 23:52:12 +01:00
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#endif
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2017-05-10 18:40:04 +02:00
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#ifndef bfd_elfNN_set_reloc
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#define bfd_elfNN_set_reloc _bfd_generic_set_reloc
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#endif
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1999-05-03 09:29:11 +02:00
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#ifndef bfd_elfNN_find_nearest_line
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#define bfd_elfNN_find_nearest_line _bfd_elf_find_nearest_line
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#endif
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Define bfd_find_line entry of BFD_JUMP_TABLE_SYMBOLS using NAME.
In https://www.sourceware.org/ml/binutils/2005-06/msg00082.html
HJ implemented bfd_find_line for DWARF2, but cheated a little in not
using the usual NAME##_find_line, saving quite a lot of boring
editing. However that shortcut probably contributed to
bfd_find_nearest_line_discriminator being implemented the same way,
and missing support for some targets.
* targets.c (BFD_JUMP_TABLE_SYMBOLS): Use NAME##_find_line.
* aout-adobe.c (aout_32_find_line): Define.
(aout_32_bfd_make_debug_symbol, aout_32_bfd_reloc_type_lookup,
aout_32_bfd_reloc_name_lookup): Define using _bfd_nosymbols define.
* aout-target.h (MY_find_line): Define.
* aout-tic30.c (MY_find_line): Define.
* binary.c (binary_find_line): Define.
* bout.c (aout_32_find_line): Define.
* coff-rs6000.c (_bfd_xcoff_find_line): Define.
* coff64-rs6000.c (rs6000_xcoff64_vec): Use coff_find_line.
(rs6000_xcoff64_aix_vec): Likewise.
* elf-bfd.h (_bfd_generic_find_line): Don't define.
* elfxx-target.h (bfd_elfNN_find_line): Define.
* i386msdos.c (msdos_find_line): Define.
* i386os9k.c (aout_32_find_line): Define.
* ieee.c (ieee_find_nearest_line, ieee_find_inliner_info): Delete func.
(ieee_find_nearest_line, ieee_find_line,
ieee_find_inliner_info): Define.
* ihex.c (ihex_find_line): Define.
* libbfd-in.h (_bfd_nosymbols_find_line): Define.
(_bfd_generic_find_line): Don't define.
* libbfd.c (_bfd_generic_find_line): Delete.
* libcoff-in.h (coff_find_line): Define.
* libecoff.h (_bfd_ecoff_find_line): Define.
* mach-o.h (bfd_mach_o_find_line): Define.
* mmo.c (mmo_find_line): Define.
* nlm-target.h (nlm_find_line): Define.
* oasys.c (oasys_find_nearest_line, oasys_find_inliner_info): Delete.
(oasys_find_nearest_line, oasys_find_line,
oasys_find_inliner_info): Define.
* pef.c (bfd_pef_find_line): Define.
* plugin.c (bfd_plugin_find_line): Define.
* ppcboot.c (ppcboot_find_line): Define.
* som.c (som_find_line): Define.
* srec.c (srec_find_line): Define.
* tekhex.c (tekhex_find_line): Define.
* versados.c (versados_find_line): Define.
* vms-alpha.c (alpha_vms_find_line): Define.
* xsym.c (bfd_sym_find_line): Define.
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
* libcoff.h: Regenerate.
2014-10-15 07:10:45 +02:00
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#ifndef bfd_elfNN_find_line
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#define bfd_elfNN_find_line _bfd_elf_find_line
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#endif
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2005-05-23 19:44:55 +02:00
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#ifndef bfd_elfNN_find_inliner_info
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#define bfd_elfNN_find_inliner_info _bfd_elf_find_inliner_info
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#endif
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1999-05-03 09:29:11 +02:00
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#define bfd_elfNN_read_minisymbols _bfd_elf_read_minisymbols
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#define bfd_elfNN_minisymbol_to_symbol _bfd_elf_minisymbol_to_symbol
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2003-07-31 16:38:15 +02:00
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#define bfd_elfNN_get_dynamic_symtab_upper_bound \
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_bfd_elf_get_dynamic_symtab_upper_bound
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1999-05-03 09:29:11 +02:00
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#define bfd_elfNN_get_lineno _bfd_elf_get_lineno
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#ifndef bfd_elfNN_get_reloc_upper_bound
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#define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
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#endif
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2002-05-29 07:00:01 +02:00
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#ifndef bfd_elfNN_get_symbol_info
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1999-05-03 09:29:11 +02:00
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#define bfd_elfNN_get_symbol_info _bfd_elf_get_symbol_info
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2002-05-29 07:00:01 +02:00
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#endif
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2014-11-25 18:28:32 +01:00
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#ifndef bfd_elfNN_get_symbol_version_string
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#define bfd_elfNN_get_symbol_version_string \
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_bfd_elf_get_symbol_version_string
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#endif
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2003-10-16 06:11:10 +02:00
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#define bfd_elfNN_canonicalize_symtab _bfd_elf_canonicalize_symtab
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1999-05-03 09:29:11 +02:00
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#define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
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#define bfd_elfNN_make_empty_symbol _bfd_elf_make_empty_symbol
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2003-01-23 12:51:35 +01:00
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#ifndef bfd_elfNN_new_section_hook
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1999-05-03 09:29:11 +02:00
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#define bfd_elfNN_new_section_hook _bfd_elf_new_section_hook
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2003-01-23 12:51:35 +01:00
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#endif
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1999-05-03 09:29:11 +02:00
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#define bfd_elfNN_set_arch_mach _bfd_elf_set_arch_mach
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#ifndef bfd_elfNN_set_section_contents
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#define bfd_elfNN_set_section_contents _bfd_elf_set_section_contents
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#endif
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#define bfd_elfNN_sizeof_headers _bfd_elf_sizeof_headers
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2020-10-13 23:22:48 +02:00
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/* We should be able to override this method if output file format
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is not ELF as it happens in case of EIR linkage (see Bug #59012,
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Comment # ). Take into account that calling `bfd_elf_final_link'
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is inappropriate in this case either, since it also performs some
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ELF-specific output. */
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#ifndef bfd_elfNN_write_object_contents
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1999-05-03 09:29:11 +02:00
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#define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
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2020-10-13 23:22:48 +02:00
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#endif
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1999-05-03 09:29:11 +02:00
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#define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
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#define bfd_elfNN_get_section_contents_in_window \
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_bfd_generic_get_section_contents_in_window
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2001-10-30 16:20:14 +01:00
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#ifndef elf_backend_can_refcount
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#define elf_backend_can_refcount 0
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#endif
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1999-05-03 09:29:11 +02:00
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#ifndef elf_backend_want_got_plt
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#define elf_backend_want_got_plt 0
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#endif
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#ifndef elf_backend_plt_readonly
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#define elf_backend_plt_readonly 0
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#endif
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#ifndef elf_backend_want_plt_sym
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#define elf_backend_want_plt_sym 0
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#endif
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#ifndef elf_backend_plt_not_loaded
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#define elf_backend_plt_not_loaded 0
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#endif
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#ifndef elf_backend_plt_alignment
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#define elf_backend_plt_alignment 2
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#endif
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1999-07-13 20:31:17 +02:00
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#ifndef elf_backend_want_dynbss
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#define elf_backend_want_dynbss 1
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#endif
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dynrelro section for read-only dynamic symbols copied into executable
Variables defined in shared libraries are copied into an executable's
.bss section when code in the executable is non-PIC and thus would
require dynamic text relocations to access the variable directly in
the shared library. Recent x86 toolchains also copy variables into
the executable to gain a small speed improvement.
The problem is that if the variable was originally read-only, the copy
in .bss is writable, potentially opening a security hole. This patch
cures that problem by putting the copy in a section that becomes
read-only after ld.so relocation, provided -z relro is in force.
The patch also fixes a microblaze linker segfault on attempting to
use dynamic bss variables.
bfd/
PR ld/20995
* elf-bfd.h (struct elf_link_hash_table): Add sdynrelro and
sreldynrelro.
(struct elf_backend_data): Add want_dynrelro.
* elfxx-target.h (elf_backend_want_dynrelro): Define.
(elfNN_bed): Update initializer.
* elflink.c (_bfd_elf_create_dynamic_sections): Create
sdynrelro and sreldynrelro sections.
* elf32-arm.c (elf32_arm_adjust_dynamic_symbol): Place variables
copied into the executable from read-only sections into sdynrelro.
(elf32_arm_size_dynamic_sections): Handle sdynrelro.
(elf32_arm_finish_dynamic_symbol): Select sreldynrelro for
dynamic relocs in sdynrelro.
(elf_backend_want_dynrelro): Define.
* elf32-hppa.c (elf32_hppa_adjust_dynamic_symbol)
(elf32_hppa_size_dynamic_sections, elf32_hppa_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf32-i386.c (elf_i386_adjust_dynamic_symbol)
(elf_i386_size_dynamic_sections, elf_i386_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf32-metag.c (elf_metag_adjust_dynamic_symbol)
(elf_metag_size_dynamic_sections, elf_metag_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf32-microblaze.c (microblaze_elf_adjust_dynamic_symbol)
(microblaze_elf_size_dynamic_sections)
(microblaze_elf_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf32-nios2.c (nios2_elf32_finish_dynamic_symbol)
(nios2_elf32_adjust_dynamic_symbol)
(nios2_elf32_size_dynamic_sections)
(elf_backend_want_dynrelro): As above.
* elf32-or1k.c (or1k_elf_finish_dynamic_symbol)
(or1k_elf_adjust_dynamic_symbol, or1k_elf_size_dynamic_sections)
(elf_backend_want_dynrelro): As above.
* elf32-ppc.c (ppc_elf_adjust_dynamic_symbol)
(ppc_elf_size_dynamic_sections, ppc_elf_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf32-s390.c (elf_s390_adjust_dynamic_symbol)
(elf_s390_size_dynamic_sections, elf_s390_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf32-tic6x.c (elf32_tic6x_adjust_dynamic_symbol)
(elf32_tic6x_size_dynamic_sections)
(elf32_tic6x_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf32-tilepro.c (tilepro_elf_adjust_dynamic_symbol)
(tilepro_elf_size_dynamic_sections)
(tilepro_elf_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf64-ppc.c (ppc64_elf_adjust_dynamic_symbol)
(ppc64_elf_size_dynamic_sections, ppc64_elf_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf64-s390.c (elf_s390_adjust_dynamic_symbol)
(elf_s390_size_dynamic_sections, elf_s390_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf64-x86-64.c (elf_x86_64_adjust_dynamic_symbol)
(elf_x86_64_size_dynamic_sections)
(elf_x86_64_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elfnn-aarch64.c (elfNN_aarch64_adjust_dynamic_symbol)
(elfNN_aarch64_size_dynamic_sections)
(elfNN_aarch64_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elfnn-riscv.c (riscv_elf_adjust_dynamic_symbol)
(riscv_elf_size_dynamic_sections, riscv_elf_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elfxx-mips.c (_bfd_mips_elf_adjust_dynamic_symbol)
(_bfd_mips_elf_size_dynamic_sections)
(_bfd_mips_vxworks_finish_dynamic_symbol): As above.
* elfxx-sparc.c (_bfd_sparc_elf_adjust_dynamic_symbol)
(_bfd_sparc_elf_size_dynamic_sections)
(_bfd_sparc_elf_finish_dynamic_symbol): As above.
* elfxx-tilegx.c (tilegx_elf_adjust_dynamic_symbol)
(tilegx_elf_size_dynamic_sections)
(tilegx_elf_finish_dynamic_symbol): As above.
* elf32-mips.c (elf_backend_want_dynrelro): Define.
* elf64-mips.c (elf_backend_want_dynrelro): Define.
* elf32-sparc.c (elf_backend_want_dynrelro): Define.
* elf64-sparc.c (elf_backend_want_dynrelro): Define.
* elf32-tilegx.c (elf_backend_want_dynrelro): Define.
* elf64-tilegx.c (elf_backend_want_dynrelro): Define.
* elf32-microblaze.c (microblaze_elf_adjust_dynamic_symbol): Tidy.
(microblaze_elf_size_dynamic_sections): Handle sdynbss.
* elf32-nios2.c (nios2_elf32_size_dynamic_sections): Make use
of linker shortcuts to dynamic sections rather than comparing
names. Correctly set "got" flag.
ld/
PR ld/20995
* testsuite/ld-arm/farcall-mixed-app-v5.d: Update to suit changed
stub hash table traversal caused by section id increment. Accept
the previous output too.
* testsuite/ld-arm/farcall-mixed-app.d: Likewise.
* testsuite/ld-arm/farcall-mixed-lib-v4t.d: Likewise.
* testsuite/ld-arm/farcall-mixed-lib.d: Likewise.
* testsuite/ld-elf/pr20995a.s, * testsuite/ld-elf/pr20995b.s,
* testsuite/ld-elf/pr20995.r: New test.
* testsuite/ld-elf/elf.exp: Run it.
2016-12-25 15:00:45 +01:00
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#ifndef elf_backend_want_dynrelro
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#define elf_backend_want_dynrelro 0
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#endif
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2002-07-23 13:15:06 +02:00
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#ifndef elf_backend_want_p_paddr_set_to_zero
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#define elf_backend_want_p_paddr_set_to_zero 0
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#endif
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2017-02-14 01:15:51 +01:00
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#ifndef elf_backend_no_page_alias
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#define elf_backend_no_page_alias 0
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#endif
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2007-02-19 13:44:18 +01:00
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#ifndef elf_backend_default_execstack
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#define elf_backend_default_execstack 1
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#endif
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2014-02-08 02:56:53 +01:00
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#ifndef elf_backend_caches_rawsize
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#define elf_backend_caches_rawsize 0
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#endif
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2015-03-05 15:34:39 +01:00
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#ifndef elf_backend_extern_protected_data
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#define elf_backend_extern_protected_data 0
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#endif
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2017-04-24 21:15:31 +02:00
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#ifndef elf_backend_always_renumber_dynsyms
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#define elf_backend_always_renumber_dynsyms FALSE
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#endif
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2012-10-23 11:33:56 +02:00
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#ifndef elf_backend_stack_align
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#define elf_backend_stack_align 16
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#endif
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2016-04-14 13:04:09 +02:00
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#ifndef elf_backend_strtab_flags
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#define elf_backend_strtab_flags 0
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#endif
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1999-05-03 09:29:11 +02:00
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#define bfd_elfNN_bfd_debug_info_start bfd_void
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#define bfd_elfNN_bfd_debug_info_end bfd_void
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Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 11:57:26 +02:00
|
|
|
#define bfd_elfNN_bfd_debug_info_accumulate \
|
2003-10-19 Andrew Cagney <cagney@redhat.com>
* targets.c: Replace "struct sec" with "struct bfd_section"
* syms.c, sparclynx.c, section.c, opncls.c: Ditto.
* libcoff-in.h, libbfd-in.h, elfxx-target.h: Ditto.
* elf.c, coffgen.c, bfd.c, bfd-in.h, aoutf1.h: Ditto.
* aout-tic30.c, aout-target.h:
* bfd-in2.h, libcoff.h, libbfd.h: Regenerate.
Index: binutils/ChangeLog
2003-10-19 Andrew Cagney <cagney@redhat.com>
* coffgrok.h (coff_section): Replace 'struct sec" with "struct
bfd_section".
Index: gdb/ChangeLog
2003-10-19 Andrew Cagney <cagney@redhat.com>
* symtab.c: Replace "struct sec" with "struct bfd_section".
* objfiles.c, linespec.c, blockframe.c, block.c: Ditto.
Index: ld/ChangeLog
2003-10-19 Andrew Cagney <cagney@redhat.com>
* pe-dll.c: Replace "struct sec" with "struct bfd_section".
Index: sim/common/ChangeLog
2003-10-19 Andrew Cagney <cagney@redhat.com>
* sim-base.h: Replace "struct sec" with "struct bfd_section".
2003-10-20 16:38:46 +02:00
|
|
|
((void (*) (bfd*, struct bfd_section *)) bfd_void)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
#ifndef bfd_elfNN_bfd_get_relocated_section_contents
|
|
|
|
|
#define bfd_elfNN_bfd_get_relocated_section_contents \
|
2003-07-31 16:38:15 +02:00
|
|
|
bfd_generic_get_relocated_section_contents
|
1999-05-03 09:29:11 +02:00
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef bfd_elfNN_bfd_relax_section
|
|
|
|
|
#define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef elf_backend_can_gc_sections
|
|
|
|
|
#define elf_backend_can_gc_sections 0
|
|
|
|
|
#endif
|
2001-09-29 08:21:59 +02:00
|
|
|
#ifndef elf_backend_can_refcount
|
|
|
|
|
#define elf_backend_can_refcount 0
|
|
|
|
|
#endif
|
2001-08-08 15:09:33 +02:00
|
|
|
#ifndef elf_backend_want_got_sym
|
|
|
|
|
#define elf_backend_want_got_sym 1
|
|
|
|
|
#endif
|
2008-01-15 08:25:49 +01:00
|
|
|
#ifndef elf_backend_gc_keep
|
|
|
|
|
#define elf_backend_gc_keep _bfd_elf_gc_keep
|
|
|
|
|
#endif
|
2006-01-17 16:32:41 +01:00
|
|
|
#ifndef elf_backend_gc_mark_dynamic_ref
|
|
|
|
|
#define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
|
|
|
|
|
#endif
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef elf_backend_gc_mark_hook
|
* elflink.c (_bfd_elf_gc_mark_hook): New function.
* elf-bfd.h (_bfd_elf_gc_mark_hook): Declare.
* elfxx-target.h (elf_backend_gc_mark_hook): Default to above.
* elf-m10300.c (mn10300_elf_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
* elf32-arm.c (elf32_arm_gc_mark_hook): Likewise.
* elf32-cris.c (cris_elf_gc_mark_hook): Likewise.
* elf32-hppa.c (elf32_hppa_gc_mark_hook): Likewise.
* elf32-i386.c (elf_i386_gc_mark_hook): Likewise.
* elf32-m32r.c (m32r_elf_gc_mark_hook): Likewise.
* elf32-m68k.c (elf_m68k_gc_mark_hook): Likewise.
* elf32-mcore.c (mcore_elf_gc_mark_hook): Likewise.
* elf32-ppc.c (ppc_elf_gc_mark_hook): Likewise.
* elf32-s390.c (elf_s390_gc_mark_hook): Likewise.
* elf32-score.c (_bfd_score_elf_gc_mark_hook): Likewise.
* elf32-sh.c (sh_elf_gc_mark_hook): Likewise.
* elf32-vax.c (elf_vax_gc_mark_hook): Likewise.
* elf32-xtensa.c (elf_xtensa_gc_mark_hook): Likewise.
* elf64-mmix.c (mmix_elf_gc_mark_hook): Likewise.
* elf64-s390.c (elf_s390_gc_mark_hook): Likewise.
* elf64-x86-64.c (elf64_x86_64_gc_mark_hook): Likewise.
* elfxx-mips.c (_bfd_mips_elf_gc_mark_hook): Likewise.
* elfxx-sparc.c (_bfd_sparc_elf_gc_mark_hook): Likewise.
* elf32-bfin.c (bfin_gc_mark_hook): Likewise.
(bfinfdpic_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define for elf32-bfinfdpic.
* elf32-d10v.c (elf32_d10v_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(elf32_d10v_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-fr30.c (fr30_elf_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(fr30_elf_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-frv.c (elf32_frv_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(elf32_frv_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-iq2000.c (iq2000_elf_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(iq2000_elf_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-openrisc.c (openrisc_elf_gc_mark_hook): Use
_bfd_elf_gc_mark_hook.
(openrisc_elf_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-v850.c (v850_elf_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(v850_elf_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-xstormy16.c (xstormy16_elf_gc_mark_hook): Use
_bfd_elf_gc_mark_hook.
(xstormy16_elf_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf64-sh64.c (sh_elf64_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(sh_elf64_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-avr.c (elf32_avr_gc_mark_hook): Delete.
(elf32_avr_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-cr16c.c (elf32_cr16c_gc_mark_hook): Delete.
(elf32_cr16c_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-crx.c (elf32_crx_gc_mark_hook): Delete.
(elf32_crx_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-h8300.c (elf32_h8_gc_mark_hook): Delete.
(elf32_h8_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-ip2k.c (ip2k_elf_gc_mark_hook): Delete.
(ip2k_elf_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-m32c.c (m32c_elf_gc_mark_hook, m32c_elf_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-m68hc11.c (elf_backend_gc_mark_hook): Don't define.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-m68hc12.c (elf_backend_gc_mark_hook): Don't define.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-m68hc1x.c (elf32_m68hc11_gc_mark_hook): Delete.
(elf32_m68hc11_gc_sweep_hook): Delete.
* elf32-m68hc1x.h (elf32_m68hc11_gc_mark_hook): Delete.
(elf32_m68hc11_gc_sweep_hook): Delete.
* elf32-msp430.c (elf32_msp430_gc_mark_hook): Delete.
(elf32_msp430_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-mt.c (mt_elf_gc_mark_hook, mt_elf_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
2006-09-28 15:27:33 +02:00
|
|
|
#define elf_backend_gc_mark_hook _bfd_elf_gc_mark_hook
|
1999-05-03 09:29:11 +02:00
|
|
|
#endif
|
2007-02-22 18:03:59 +01:00
|
|
|
#ifndef elf_backend_gc_mark_extra_sections
|
2011-06-14 04:45:12 +02:00
|
|
|
#define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections
|
2007-02-22 18:03:59 +01:00
|
|
|
#endif
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef elf_backend_gc_sweep_hook
|
|
|
|
|
#define elf_backend_gc_sweep_hook NULL
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef bfd_elfNN_bfd_gc_sections
|
* Makefile.am: Remove all mention of elflink.h.
* Makefile.in: Regenerate.
* bfd-in.h (bfd_elf_discard_info): Declare.
(bfd_elf32_discard_info, bfd_elf64_discard_info): Delete.
* bfd-in2.h: Regenerate.
* elf-bfd.h (bfd_elf32_print_symbol, bfd_elf64_print_symbol,
bfd_elf32_link_record_dynamic_symbol,
bfd_elf64_link_record_dynamic_symbol,
_bfd_elf_link_record_dynamic_symbol, bfd_elf32_bfd_final_link,
bfd_elf64_bfd_final_link, elf_link_record_local_dynamic_symbol,
_bfd_elf32_link_record_local_dynamic_symbol,
_bfd_elf64_link_record_local_dynamic_symbol,
_bfd_elf32_gc_sections, _bfd_elf32_gc_common_finalize_got_offsets,
_bfd_elf32_gc_common_final_link, _bfd_elf64_gc_common_final_link,
_bfd_elf32_gc_record_vtinherit, _bfd_elf32_gc_record_vtentry,
_bfd_elf64_gc_sections, _bfd_elf64_gc_common_finalize_got_offsets,
_bfd_elf64_gc_record_vtinherit, _bfd_elf64_gc_record_vtentry,
_bfd_elf32_reloc_symbol_deleted_p,
_bfd_elf64_reloc_symbol_deleted_p): Delete.
(bfd_elf_link_record_dynamic_symbol,
bfd_elf_link_record_local_dynamic_symbol,
bfd_elf_final_link, bfd_elf_gc_sections,
bfd_elf_gc_record_vtinherit, bfd_elf_gc_record_vtentry,
bfd_elf_gc_common_finalize_got_offsets, bfd_elf_gc_common_final_link,
bfd_elf_reloc_symbol_deleted_p): Declare.
(WILL_CALL_FINISH_DYNAMIC_SYMBOL): Define.
* elf32-arm.h: Update for changed function names. Remove local
WILL_CALL_FINISH_DYNAMIC_SECTION define.
* elf-hppa.h, elf-m10300.c, elf32-cris.c, elf32-d10v.c, elf32-dlx.c,
* elf32-fr30.c, elf32-frv.c, elf32-h8300.c, elf32-hppa.c, elf32-i386.c,
* elf32-iq2000.c, elf32-m32r.c, elf32-m68hc1x.c, elf32-m68k.c,
* elf32-mcore.c, elf32-openrisc.c, elf32-ppc.c, elf32-s390.c,
* elf32-sh.c, elf32-sparc.c, elf32-v850.c, elf32-vax.c,
* elf32-xstormy16.c, elf32-xtensa.c, elf64-alpha.c, elf64-hppa.c,
* elf64-mmix.c, elf64-ppc.c, elf64-s390.c, elf64-sh64.c, elf64-sparc.c,
* elf64-x86-64.c, elfxx-ia64.c, elfxx-mips.c, elfxx-target.h: Likewise.
* elfxx-target.h (bfd_elfNN_bfd_final_link): Define.
(bfd_elfNN_print_symbol): Define.
* elfcode.h: Don't include elflink.h.
(elf_bfd_discard_info, elf_reloc_symbol_deleted_p,
elf_link_record_dynamic_symbol, elf_bfd_final_link, elf_gc_sections,
elf_gc_common_finalize_got_offsets, elf_gc_common_final_link,
elf_gc_record_vtinherit, elf_gc_record_vtentry,
elf_link_record_local_dynamic_symbol): Don't define.
* elflink.c: Update for changed function names. Move elflink.h
code here.
* elflink.h: Delete file.
* po/SRC-POTFILES.in: Regenerate.
* po/bfd.pot: Regenerate.
doc/
* bfdint.texi: Remove all mention of elflink.h.
2004-03-27 11:58:09 +01:00
|
|
|
#define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
|
1999-05-03 09:29:11 +02:00
|
|
|
#endif
|
|
|
|
|
|
* merge.c (struct sec_merge_hash_entry): Add u.entsize and u.suffix
fields, change sec into secinfo.
(struct sec_merge_info): Add chain, remove last fields.
(struct sec_merge_sec_info): Add next, sec, psecinfo fields.
(sec_merge_hash_lookup): If lookup could not use a string only
because it has bad alignment, mark the old string for deletion.
(sec_merge_add): Add secinfo argument. Don't compute entry's
position, instead record the section.
(sec_merge_emit): Update for the sec into secinfo change in
struct sec_merge_hash_entry.
(_bfd_merge_section): Only record the section for merging, defer
putting strings into the hash table.
(cmplengthentry, last4_eq, last_eq, record_section, merge_strings,
_bfd_merge_sections): New functions.
(_bfd_merged_section_offset): Update for the sec_merge_hash_entry
changes.
* libbfd-in.h (_bfd_merge_sections): Add prototype.
(_bfd_nolink_bfd_merge_sections): Define.
* libbfd.h: Likewise.
(bfd_generic_merge_sections): Add prototype.
* targets.c (BFD_JUMP_TABLE_LINK): Add _bfd_merge_sections.
(struct bfd_target): Likewise.
* bfd.c (bfd_merge_sections): Define.
* bfd-in2.h: Rebuilt.
* elf.c (_bfd_elf_merge_sections): New function.
* elf-bfd.h (_bfd_elf_merge_sections): Add prototype.
* elfxx-target.h (bfd_elfNN_bfd_merge_sections): Define.
* reloc.c (bfd_generic_merge_sections): New function.
* vms.c (vms_bfd_merge_sections): New function.
* aout-adobe.c (aout_32_bfd_merge_sections): Define.
* aout-target.h (MY_bfd_merge_sections): Define.
* aout-tic30.c (MY_bfd_merge_sections): Define.
* binary.c (binary_bfd_merge_sections): Define.
* bout.c (b_out_bfd_merge_sections): Define.
* coff-alpha.c (_bfd_ecoff_bfd_merge_sections): Define.
* coffcode.c (coff_bfd_merge_sections): Define.
* coff-mips.c (_bfd_ecoff_bfd_merge_sections): Define.
* i386msdos.c (msdos_bfd_merge_sections): Define.
* i386os9k.c (os9k_bfd_merge_sections): Define.
* ieee.c (ieee_bfd_merge_sections): Define.
* ihex.c (ihex_bfd_merge_sections): Define.
* nlm-target.h (nlm_bfd_merge_sections): Define.
* oasys.c (oasys_bfd_merge_sections): Define.
* ppcboot.c (ppcboot_bfd_merge_sections): Define.
* som.c (som_bfd_merge_sections): Define.
* srec.c (srec_bfd_merge_sections): Define.
* tekhex.c (tekhex_bfd_merge_sections): Define.
* versados.c (versados_bfd_merge_sections): Define.
* xcoff-target.h (_bfd_xcoff_bfd_merge_sections): Define.
* ldlang.c (lang_process): Call bfd_merge_sections.
2001-05-11 14:23:48 +02:00
|
|
|
#ifndef bfd_elfNN_bfd_merge_sections
|
|
|
|
|
#define bfd_elfNN_bfd_merge_sections \
|
|
|
|
|
_bfd_elf_merge_sections
|
|
|
|
|
#endif
|
|
|
|
|
|
2004-04-30 16:23:40 +02:00
|
|
|
#ifndef bfd_elfNN_bfd_is_group_section
|
|
|
|
|
#define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
|
|
|
|
|
#endif
|
|
|
|
|
|
2005-02-01 00:57:31 +01:00
|
|
|
#ifndef bfd_elfNN_bfd_discard_group
|
|
|
|
|
#define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
|
|
|
|
|
#endif
|
|
|
|
|
|
2004-07-21 17:42:58 +02:00
|
|
|
#ifndef bfd_elfNN_section_already_linked
|
|
|
|
|
#define bfd_elfNN_section_already_linked \
|
|
|
|
|
_bfd_elf_section_already_linked
|
|
|
|
|
#endif
|
|
|
|
|
|
2009-04-17 01:07:00 +02:00
|
|
|
#ifndef bfd_elfNN_bfd_define_common_symbol
|
|
|
|
|
#define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol
|
|
|
|
|
#endif
|
|
|
|
|
|
2011-07-11 17:03:09 +02:00
|
|
|
#ifndef bfd_elfNN_bfd_lookup_section_flags
|
|
|
|
|
#define bfd_elfNN_bfd_lookup_section_flags bfd_elf_lookup_section_flags
|
|
|
|
|
#endif
|
|
|
|
|
|
2001-05-23 19:26:40 +02:00
|
|
|
#ifndef bfd_elfNN_bfd_make_debug_symbol
|
1999-05-03 09:29:11 +02:00
|
|
|
#define bfd_elfNN_bfd_make_debug_symbol \
|
2003-07-31 16:38:15 +02:00
|
|
|
((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
|
2001-05-23 19:26:40 +02:00
|
|
|
#endif
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
#ifndef bfd_elfNN_bfd_copy_private_symbol_data
|
|
|
|
|
#define bfd_elfNN_bfd_copy_private_symbol_data \
|
|
|
|
|
_bfd_elf_copy_private_symbol_data
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef bfd_elfNN_bfd_copy_private_section_data
|
|
|
|
|
#define bfd_elfNN_bfd_copy_private_section_data \
|
|
|
|
|
_bfd_elf_copy_private_section_data
|
|
|
|
|
#endif
|
2004-05-17 18:40:01 +02:00
|
|
|
#ifndef bfd_elfNN_bfd_copy_private_header_data
|
|
|
|
|
#define bfd_elfNN_bfd_copy_private_header_data \
|
|
|
|
|
_bfd_elf_copy_private_header_data
|
|
|
|
|
#endif
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef bfd_elfNN_bfd_copy_private_bfd_data
|
|
|
|
|
#define bfd_elfNN_bfd_copy_private_bfd_data \
|
2001-12-18 18:59:59 +01:00
|
|
|
_bfd_elf_copy_private_bfd_data
|
1999-05-03 09:29:11 +02:00
|
|
|
#endif
|
|
|
|
|
#ifndef bfd_elfNN_bfd_print_private_bfd_data
|
|
|
|
|
#define bfd_elfNN_bfd_print_private_bfd_data \
|
|
|
|
|
_bfd_elf_print_private_bfd_data
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef bfd_elfNN_bfd_merge_private_bfd_data
|
|
|
|
|
#define bfd_elfNN_bfd_merge_private_bfd_data \
|
2016-09-30 01:14:50 +02:00
|
|
|
((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_true)
|
1999-05-03 09:29:11 +02:00
|
|
|
#endif
|
|
|
|
|
#ifndef bfd_elfNN_bfd_set_private_flags
|
|
|
|
|
#define bfd_elfNN_bfd_set_private_flags \
|
2003-07-31 16:38:15 +02:00
|
|
|
((bfd_boolean (*) (bfd *, flagword)) bfd_true)
|
1999-05-03 09:29:11 +02:00
|
|
|
#endif
|
|
|
|
|
#ifndef bfd_elfNN_bfd_is_local_label_name
|
|
|
|
|
#define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
|
|
|
|
|
#endif
|
2004-10-08 16:54:04 +02:00
|
|
|
#ifndef bfd_elfNN_bfd_is_target_special_symbol
|
|
|
|
|
#define bfd_elfNN_bfd_is_target_special_symbol \
|
|
|
|
|
((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
|
|
|
|
|
#endif
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
#ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
|
|
|
|
|
#define bfd_elfNN_get_dynamic_reloc_upper_bound \
|
|
|
|
|
_bfd_elf_get_dynamic_reloc_upper_bound
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef bfd_elfNN_canonicalize_dynamic_reloc
|
|
|
|
|
#define bfd_elfNN_canonicalize_dynamic_reloc \
|
|
|
|
|
_bfd_elf_canonicalize_dynamic_reloc
|
|
|
|
|
#endif
|
|
|
|
|
|
2001-08-24 18:36:04 +02:00
|
|
|
#ifdef elf_backend_relocate_section
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef bfd_elfNN_bfd_link_hash_table_create
|
|
|
|
|
#define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
|
|
|
|
|
#endif
|
2016-05-10 03:31:47 +02:00
|
|
|
#ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
|
|
|
|
|
#define bfd_elfNN_bfd_copy_link_hash_symbol_type \
|
|
|
|
|
_bfd_elf_copy_link_hash_symbol_type
|
|
|
|
|
#endif
|
2004-03-26 06:55:15 +01:00
|
|
|
#ifndef bfd_elfNN_bfd_link_add_symbols
|
|
|
|
|
#define bfd_elfNN_bfd_link_add_symbols bfd_elf_link_add_symbols
|
|
|
|
|
#endif
|
Rewrite __start and __stop symbol handling
This arranges for __start and __stop symbols to be defined before
garbage collection, for all target formats. That should allow the
COFF and PE --gc-sections to keep a singleton orphan input section,
a feature lost by 2017-06-13 commit cbd0eecf26. The fancier ELF
treatment of keeping all input sections associated with a __start or
__stop symbol, from 2015-10-23 commit 1cce69b9dc, is retained.
.startof. and .sizeof. symbols are deliberately not defined before
garbage collection, so these won't affect garbage collection of
sections.
The patch also ensures __start, __stop, .startof. and .sizeof. symbols
are defined before target size_dynamic_sections is called, albeit
with a preliminary value, so that target code doesn't need to cope
with a symbol changing from undefined at size_dynamic_sections to
defined at relocate_section.
Also, a number of problems with the testcases have been fixed.
PR ld/20022
PR ld/21557
PR ld/21562
PR ld/21571
include/
* bfdlink.h (struct bfd_link_hash_entry): Delete undef.section.
bfd/
* targets.c (struct bfd_target): Add _bfd_define_start_stop.
(BFD_JUMP_TABLE_LINK): Likewise.
* elf-bfd.h (bfd_elf_define_start_stop): Declare.
* elflink.c (_bfd_elf_gc_mark_rsec): Update comment.
(bfd_elf_define_start_stop): New function.
* linker.c (bfd_generic_define_start_stop): New function.
* coff64-rs6000.c (rs6000_xcoff64_vec, rs6000_xcoff64_aix_vec): Init
new field.
* aout-adobe.c (aout_32_bfd_define_start_stop): Define.
* aout-target.h (MY_bfd_define_start_stop): Define.
* aout-tic30.c (MY_bfd_define_start_stop): Define.
* binary.c (binary_bfd_define_start_stop): Define.
* bout.c (b_out_bfd_define_start_stop): Define.
* coff-alpha.c (_bfd_ecoff_bfd_define_start_stop): Define.
* coff-mips.c (_bfd_ecoff_bfd_define_start_stop): Define.
* coff-rs6000.c (_bfd_xcoff_bfd_define_start_stop): Define.
* coffcode.h (coff_bfd_define_start_stop): Define.
* elfxx-target.h (bfd_elfNN_bfd_define_start_stop): Define.
* i386msdos.c (msdos_bfd_define_start_stop): Define.
* i386os9k.c (os9k_bfd_define_start_stop): Define.
* ieee.c (ieee_bfd_define_start_stop): Define.
* ihex.c (ihex_bfd_define_start_stop): Define.
* libbfd-in.h (_bfd_nolink_bfd_define_start_stop): Define.
* mach-o-target.c (bfd_mach_o_bfd_define_start_stop): Define.
* mmo.c (mmo_bfd_define_start_stop): Define.
* nlm-target.h (nlm_bfd_define_start_stop): Define.
* oasys.c (oasys_bfd_define_start_stop): Define.
* pef.c (bfd_pef_bfd_define_start_stop): Define.
* plugin.c (bfd_plugin_bfd_define_start_stop): Define.
* ppcboot.c (ppcboot_bfd_define_start_stop): Define.
* som.c (som_bfd_define_start_stop): Define.
* srec.c (srec_bfd_define_start_stop): Define.
* tekhex.c (tekhex_bfd_define_start_stop): Define.
* versados.c (versados_bfd_define_start_stop): Define.
* vms-alpha.c (vms_bfd_define_start_stop): Define.
(alpha_vms_bfd_define_start_stop): Define.
* xsym.c (bfd_sym_bfd_define_start_stop): Define.
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
ld/
* emultempl/elf32.em (gld${EMULATION_NAME}_after_open): Don't set
__start/__stop syms here.
* ldlang.c (lang_set_startof): Delete.
(start_stop_syms, start_stop_count, start_stop_alloc): New vars.
(lang_define_start_stop, lang_init_start_stop, foreach_start_stop,
undef_start_stop, lang_undef_start_stop, lang_init_startof_sizeof,
set_start_stop, lang_finalize_start_stop): New functions.
(lang_process): Call _start_stop functions.
* testsuite/ld-elf/pr21562a.d: Use xfail rather than notarget.
Correct typos and list of xfail targets.
* testsuite/ld-elf/pr21562b.d: Likewise.
* testsuite/ld-elf/pr21562c.d: Likewise.
* testsuite/ld-elf/pr21562d.d: Likewise.
* testsuite/ld-elf/pr21562e.d: Likewise.
* testsuite/ld-elf/pr21562f.d: Likewise.
* testsuite/ld-elf/pr21562g.d: Likewise.
* testsuite/ld-elf/pr21562h.d: Likewise.
* testsuite/ld-elf/pr21562i.d: Likewise.
* testsuite/ld-elf/pr21562j.d: Likewise.
* testsuite/ld-elf/pr21562k.d: Likewise.
* testsuite/ld-elf/pr21562l.d: Likewise.
* testsuite/ld-elf/pr21562m.d: Likewise.
* testsuite/ld-elf/pr21562n.d: Likewise.
* testsuite/ld-elf/sizeofa.d: Likewise. Adjust to pass for generic ELF.
* testsuite/ld-elf/sizeofb.d: Likewise.
* testsuite/ld-elf/startofa.d: Likewise.
* testsuite/ld-elf/startofb.d: Likewise.
2017-06-16 12:11:41 +02:00
|
|
|
#ifndef bfd_elfNN_bfd_define_start_stop
|
|
|
|
|
#define bfd_elfNN_bfd_define_start_stop bfd_elf_define_start_stop
|
|
|
|
|
#endif
|
* Makefile.am: Remove all mention of elflink.h.
* Makefile.in: Regenerate.
* bfd-in.h (bfd_elf_discard_info): Declare.
(bfd_elf32_discard_info, bfd_elf64_discard_info): Delete.
* bfd-in2.h: Regenerate.
* elf-bfd.h (bfd_elf32_print_symbol, bfd_elf64_print_symbol,
bfd_elf32_link_record_dynamic_symbol,
bfd_elf64_link_record_dynamic_symbol,
_bfd_elf_link_record_dynamic_symbol, bfd_elf32_bfd_final_link,
bfd_elf64_bfd_final_link, elf_link_record_local_dynamic_symbol,
_bfd_elf32_link_record_local_dynamic_symbol,
_bfd_elf64_link_record_local_dynamic_symbol,
_bfd_elf32_gc_sections, _bfd_elf32_gc_common_finalize_got_offsets,
_bfd_elf32_gc_common_final_link, _bfd_elf64_gc_common_final_link,
_bfd_elf32_gc_record_vtinherit, _bfd_elf32_gc_record_vtentry,
_bfd_elf64_gc_sections, _bfd_elf64_gc_common_finalize_got_offsets,
_bfd_elf64_gc_record_vtinherit, _bfd_elf64_gc_record_vtentry,
_bfd_elf32_reloc_symbol_deleted_p,
_bfd_elf64_reloc_symbol_deleted_p): Delete.
(bfd_elf_link_record_dynamic_symbol,
bfd_elf_link_record_local_dynamic_symbol,
bfd_elf_final_link, bfd_elf_gc_sections,
bfd_elf_gc_record_vtinherit, bfd_elf_gc_record_vtentry,
bfd_elf_gc_common_finalize_got_offsets, bfd_elf_gc_common_final_link,
bfd_elf_reloc_symbol_deleted_p): Declare.
(WILL_CALL_FINISH_DYNAMIC_SYMBOL): Define.
* elf32-arm.h: Update for changed function names. Remove local
WILL_CALL_FINISH_DYNAMIC_SECTION define.
* elf-hppa.h, elf-m10300.c, elf32-cris.c, elf32-d10v.c, elf32-dlx.c,
* elf32-fr30.c, elf32-frv.c, elf32-h8300.c, elf32-hppa.c, elf32-i386.c,
* elf32-iq2000.c, elf32-m32r.c, elf32-m68hc1x.c, elf32-m68k.c,
* elf32-mcore.c, elf32-openrisc.c, elf32-ppc.c, elf32-s390.c,
* elf32-sh.c, elf32-sparc.c, elf32-v850.c, elf32-vax.c,
* elf32-xstormy16.c, elf32-xtensa.c, elf64-alpha.c, elf64-hppa.c,
* elf64-mmix.c, elf64-ppc.c, elf64-s390.c, elf64-sh64.c, elf64-sparc.c,
* elf64-x86-64.c, elfxx-ia64.c, elfxx-mips.c, elfxx-target.h: Likewise.
* elfxx-target.h (bfd_elfNN_bfd_final_link): Define.
(bfd_elfNN_print_symbol): Define.
* elfcode.h: Don't include elflink.h.
(elf_bfd_discard_info, elf_reloc_symbol_deleted_p,
elf_link_record_dynamic_symbol, elf_bfd_final_link, elf_gc_sections,
elf_gc_common_finalize_got_offsets, elf_gc_common_final_link,
elf_gc_record_vtinherit, elf_gc_record_vtentry,
elf_link_record_local_dynamic_symbol): Don't define.
* elflink.c: Update for changed function names. Move elflink.h
code here.
* elflink.h: Delete file.
* po/SRC-POTFILES.in: Regenerate.
* po/bfd.pot: Regenerate.
doc/
* bfdint.texi: Remove all mention of elflink.h.
2004-03-27 11:58:09 +01:00
|
|
|
#ifndef bfd_elfNN_bfd_final_link
|
|
|
|
|
#define bfd_elfNN_bfd_final_link bfd_elf_final_link
|
|
|
|
|
#endif
|
2001-08-24 18:36:04 +02:00
|
|
|
#else /* ! defined (elf_backend_relocate_section) */
|
|
|
|
|
/* If no backend relocate_section routine, use the generic linker.
|
|
|
|
|
Note - this will prevent the port from being able to use some of
|
|
|
|
|
the other features of the ELF linker, because the generic hash structure
|
|
|
|
|
does not have the fields needed by the ELF linker. In particular it
|
|
|
|
|
means that linking directly to S-records will not work. */
|
|
|
|
|
#ifndef bfd_elfNN_bfd_link_hash_table_create
|
|
|
|
|
#define bfd_elfNN_bfd_link_hash_table_create \
|
|
|
|
|
_bfd_generic_link_hash_table_create
|
|
|
|
|
#endif
|
2016-05-10 03:31:47 +02:00
|
|
|
#ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
|
|
|
|
|
#define bfd_elfNN_bfd_copy_link_hash_symbol_type \
|
|
|
|
|
_bfd_generic_copy_link_hash_symbol_type
|
|
|
|
|
#endif
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef bfd_elfNN_bfd_link_add_symbols
|
|
|
|
|
#define bfd_elfNN_bfd_link_add_symbols _bfd_generic_link_add_symbols
|
|
|
|
|
#endif
|
Rewrite __start and __stop symbol handling
This arranges for __start and __stop symbols to be defined before
garbage collection, for all target formats. That should allow the
COFF and PE --gc-sections to keep a singleton orphan input section,
a feature lost by 2017-06-13 commit cbd0eecf26. The fancier ELF
treatment of keeping all input sections associated with a __start or
__stop symbol, from 2015-10-23 commit 1cce69b9dc, is retained.
.startof. and .sizeof. symbols are deliberately not defined before
garbage collection, so these won't affect garbage collection of
sections.
The patch also ensures __start, __stop, .startof. and .sizeof. symbols
are defined before target size_dynamic_sections is called, albeit
with a preliminary value, so that target code doesn't need to cope
with a symbol changing from undefined at size_dynamic_sections to
defined at relocate_section.
Also, a number of problems with the testcases have been fixed.
PR ld/20022
PR ld/21557
PR ld/21562
PR ld/21571
include/
* bfdlink.h (struct bfd_link_hash_entry): Delete undef.section.
bfd/
* targets.c (struct bfd_target): Add _bfd_define_start_stop.
(BFD_JUMP_TABLE_LINK): Likewise.
* elf-bfd.h (bfd_elf_define_start_stop): Declare.
* elflink.c (_bfd_elf_gc_mark_rsec): Update comment.
(bfd_elf_define_start_stop): New function.
* linker.c (bfd_generic_define_start_stop): New function.
* coff64-rs6000.c (rs6000_xcoff64_vec, rs6000_xcoff64_aix_vec): Init
new field.
* aout-adobe.c (aout_32_bfd_define_start_stop): Define.
* aout-target.h (MY_bfd_define_start_stop): Define.
* aout-tic30.c (MY_bfd_define_start_stop): Define.
* binary.c (binary_bfd_define_start_stop): Define.
* bout.c (b_out_bfd_define_start_stop): Define.
* coff-alpha.c (_bfd_ecoff_bfd_define_start_stop): Define.
* coff-mips.c (_bfd_ecoff_bfd_define_start_stop): Define.
* coff-rs6000.c (_bfd_xcoff_bfd_define_start_stop): Define.
* coffcode.h (coff_bfd_define_start_stop): Define.
* elfxx-target.h (bfd_elfNN_bfd_define_start_stop): Define.
* i386msdos.c (msdos_bfd_define_start_stop): Define.
* i386os9k.c (os9k_bfd_define_start_stop): Define.
* ieee.c (ieee_bfd_define_start_stop): Define.
* ihex.c (ihex_bfd_define_start_stop): Define.
* libbfd-in.h (_bfd_nolink_bfd_define_start_stop): Define.
* mach-o-target.c (bfd_mach_o_bfd_define_start_stop): Define.
* mmo.c (mmo_bfd_define_start_stop): Define.
* nlm-target.h (nlm_bfd_define_start_stop): Define.
* oasys.c (oasys_bfd_define_start_stop): Define.
* pef.c (bfd_pef_bfd_define_start_stop): Define.
* plugin.c (bfd_plugin_bfd_define_start_stop): Define.
* ppcboot.c (ppcboot_bfd_define_start_stop): Define.
* som.c (som_bfd_define_start_stop): Define.
* srec.c (srec_bfd_define_start_stop): Define.
* tekhex.c (tekhex_bfd_define_start_stop): Define.
* versados.c (versados_bfd_define_start_stop): Define.
* vms-alpha.c (vms_bfd_define_start_stop): Define.
(alpha_vms_bfd_define_start_stop): Define.
* xsym.c (bfd_sym_bfd_define_start_stop): Define.
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
ld/
* emultempl/elf32.em (gld${EMULATION_NAME}_after_open): Don't set
__start/__stop syms here.
* ldlang.c (lang_set_startof): Delete.
(start_stop_syms, start_stop_count, start_stop_alloc): New vars.
(lang_define_start_stop, lang_init_start_stop, foreach_start_stop,
undef_start_stop, lang_undef_start_stop, lang_init_startof_sizeof,
set_start_stop, lang_finalize_start_stop): New functions.
(lang_process): Call _start_stop functions.
* testsuite/ld-elf/pr21562a.d: Use xfail rather than notarget.
Correct typos and list of xfail targets.
* testsuite/ld-elf/pr21562b.d: Likewise.
* testsuite/ld-elf/pr21562c.d: Likewise.
* testsuite/ld-elf/pr21562d.d: Likewise.
* testsuite/ld-elf/pr21562e.d: Likewise.
* testsuite/ld-elf/pr21562f.d: Likewise.
* testsuite/ld-elf/pr21562g.d: Likewise.
* testsuite/ld-elf/pr21562h.d: Likewise.
* testsuite/ld-elf/pr21562i.d: Likewise.
* testsuite/ld-elf/pr21562j.d: Likewise.
* testsuite/ld-elf/pr21562k.d: Likewise.
* testsuite/ld-elf/pr21562l.d: Likewise.
* testsuite/ld-elf/pr21562m.d: Likewise.
* testsuite/ld-elf/pr21562n.d: Likewise.
* testsuite/ld-elf/sizeofa.d: Likewise. Adjust to pass for generic ELF.
* testsuite/ld-elf/sizeofb.d: Likewise.
* testsuite/ld-elf/startofa.d: Likewise.
* testsuite/ld-elf/startofb.d: Likewise.
2017-06-16 12:11:41 +02:00
|
|
|
#ifndef bfd_elfNN_bfd_define_start_stop
|
|
|
|
|
#define bfd_elfNN_bfd_define_start_stop bfd_generic_define_start_stop
|
|
|
|
|
#endif
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef bfd_elfNN_bfd_final_link
|
|
|
|
|
#define bfd_elfNN_bfd_final_link _bfd_generic_final_link
|
|
|
|
|
#endif
|
|
|
|
|
#endif /* ! defined (elf_backend_relocate_section) */
|
2002-05-15 02:18:58 +02:00
|
|
|
|
|
|
|
|
#ifndef bfd_elfNN_bfd_link_just_syms
|
|
|
|
|
#define bfd_elfNN_bfd_link_just_syms _bfd_elf_link_just_syms
|
|
|
|
|
#endif
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef bfd_elfNN_bfd_link_split_section
|
|
|
|
|
#define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
|
|
|
|
|
#endif
|
|
|
|
|
|
2016-04-21 16:43:00 +02:00
|
|
|
#ifndef bfd_elfNN_bfd_link_check_relocs
|
|
|
|
|
#define bfd_elfNN_bfd_link_check_relocs _bfd_elf_link_check_relocs
|
|
|
|
|
#endif
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef bfd_elfNN_archive_p
|
|
|
|
|
#define bfd_elfNN_archive_p bfd_generic_archive_p
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef bfd_elfNN_write_archive_contents
|
|
|
|
|
#define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef bfd_elfNN_mkobject
|
2010-08-25 16:53:45 +02:00
|
|
|
#define bfd_elfNN_mkobject bfd_elf_make_object
|
1999-05-03 09:29:11 +02:00
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef bfd_elfNN_mkcorefile
|
|
|
|
|
#define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef bfd_elfNN_mkarchive
|
|
|
|
|
#define bfd_elfNN_mkarchive _bfd_generic_mkarchive
|
|
|
|
|
#endif
|
|
|
|
|
|
* Makefile.am: Remove all mention of elflink.h.
* Makefile.in: Regenerate.
* bfd-in.h (bfd_elf_discard_info): Declare.
(bfd_elf32_discard_info, bfd_elf64_discard_info): Delete.
* bfd-in2.h: Regenerate.
* elf-bfd.h (bfd_elf32_print_symbol, bfd_elf64_print_symbol,
bfd_elf32_link_record_dynamic_symbol,
bfd_elf64_link_record_dynamic_symbol,
_bfd_elf_link_record_dynamic_symbol, bfd_elf32_bfd_final_link,
bfd_elf64_bfd_final_link, elf_link_record_local_dynamic_symbol,
_bfd_elf32_link_record_local_dynamic_symbol,
_bfd_elf64_link_record_local_dynamic_symbol,
_bfd_elf32_gc_sections, _bfd_elf32_gc_common_finalize_got_offsets,
_bfd_elf32_gc_common_final_link, _bfd_elf64_gc_common_final_link,
_bfd_elf32_gc_record_vtinherit, _bfd_elf32_gc_record_vtentry,
_bfd_elf64_gc_sections, _bfd_elf64_gc_common_finalize_got_offsets,
_bfd_elf64_gc_record_vtinherit, _bfd_elf64_gc_record_vtentry,
_bfd_elf32_reloc_symbol_deleted_p,
_bfd_elf64_reloc_symbol_deleted_p): Delete.
(bfd_elf_link_record_dynamic_symbol,
bfd_elf_link_record_local_dynamic_symbol,
bfd_elf_final_link, bfd_elf_gc_sections,
bfd_elf_gc_record_vtinherit, bfd_elf_gc_record_vtentry,
bfd_elf_gc_common_finalize_got_offsets, bfd_elf_gc_common_final_link,
bfd_elf_reloc_symbol_deleted_p): Declare.
(WILL_CALL_FINISH_DYNAMIC_SYMBOL): Define.
* elf32-arm.h: Update for changed function names. Remove local
WILL_CALL_FINISH_DYNAMIC_SECTION define.
* elf-hppa.h, elf-m10300.c, elf32-cris.c, elf32-d10v.c, elf32-dlx.c,
* elf32-fr30.c, elf32-frv.c, elf32-h8300.c, elf32-hppa.c, elf32-i386.c,
* elf32-iq2000.c, elf32-m32r.c, elf32-m68hc1x.c, elf32-m68k.c,
* elf32-mcore.c, elf32-openrisc.c, elf32-ppc.c, elf32-s390.c,
* elf32-sh.c, elf32-sparc.c, elf32-v850.c, elf32-vax.c,
* elf32-xstormy16.c, elf32-xtensa.c, elf64-alpha.c, elf64-hppa.c,
* elf64-mmix.c, elf64-ppc.c, elf64-s390.c, elf64-sh64.c, elf64-sparc.c,
* elf64-x86-64.c, elfxx-ia64.c, elfxx-mips.c, elfxx-target.h: Likewise.
* elfxx-target.h (bfd_elfNN_bfd_final_link): Define.
(bfd_elfNN_print_symbol): Define.
* elfcode.h: Don't include elflink.h.
(elf_bfd_discard_info, elf_reloc_symbol_deleted_p,
elf_link_record_dynamic_symbol, elf_bfd_final_link, elf_gc_sections,
elf_gc_common_finalize_got_offsets, elf_gc_common_final_link,
elf_gc_record_vtinherit, elf_gc_record_vtentry,
elf_link_record_local_dynamic_symbol): Don't define.
* elflink.c: Update for changed function names. Move elflink.h
code here.
* elflink.h: Delete file.
* po/SRC-POTFILES.in: Regenerate.
* po/bfd.pot: Regenerate.
doc/
* bfdint.texi: Remove all mention of elflink.h.
2004-03-27 11:58:09 +01:00
|
|
|
#ifndef bfd_elfNN_print_symbol
|
|
|
|
|
#define bfd_elfNN_print_symbol bfd_elf_print_symbol
|
|
|
|
|
#endif
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef elf_symbol_leading_char
|
|
|
|
|
#define elf_symbol_leading_char 0
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef elf_info_to_howto
|
|
|
|
|
#define elf_info_to_howto 0
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef elf_info_to_howto_rel
|
|
|
|
|
#define elf_info_to_howto_rel 0
|
|
|
|
|
#endif
|
|
|
|
|
|
2011-07-28 19:39:20 +02:00
|
|
|
#ifndef elf_backend_arch_data
|
|
|
|
|
#define elf_backend_arch_data NULL
|
|
|
|
|
#endif
|
|
|
|
|
|
2010-08-25 16:53:45 +02:00
|
|
|
#ifndef ELF_TARGET_ID
|
|
|
|
|
#define ELF_TARGET_ID GENERIC_ELF_DATA
|
|
|
|
|
#endif
|
|
|
|
|
|
2007-03-14 03:56:45 +01:00
|
|
|
#ifndef ELF_OSABI
|
|
|
|
|
#define ELF_OSABI ELFOSABI_NONE
|
|
|
|
|
#endif
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef ELF_MAXPAGESIZE
|
2007-08-20 15:05:26 +02:00
|
|
|
# error ELF_MAXPAGESIZE is not defined
|
1999-06-04 14:45:07 +02:00
|
|
|
#define ELF_MAXPAGESIZE 1
|
1999-05-03 09:29:11 +02:00
|
|
|
#endif
|
|
|
|
|
|
2007-08-20 15:05:26 +02:00
|
|
|
#ifndef ELF_COMMONPAGESIZE
|
|
|
|
|
#define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
|
|
|
|
|
#endif
|
|
|
|
|
|
2005-01-28 18:58:24 +01:00
|
|
|
#ifndef ELF_MINPAGESIZE
|
2007-08-20 15:05:26 +02:00
|
|
|
#define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
|
2005-01-28 18:58:24 +01:00
|
|
|
#endif
|
|
|
|
|
|
2007-08-20 15:05:26 +02:00
|
|
|
#if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
|
|
|
|
|
# error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
|
|
|
|
|
#endif
|
|
|
|
|
#if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
|
|
|
|
|
# error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
|
2006-05-30 18:45:32 +02:00
|
|
|
#endif
|
|
|
|
|
|
2004-09-03 19:15:44 +02:00
|
|
|
#ifndef ELF_DYNAMIC_SEC_FLAGS
|
|
|
|
|
/* Note that we set the SEC_IN_MEMORY flag for these sections. */
|
|
|
|
|
#define ELF_DYNAMIC_SEC_FLAGS \
|
|
|
|
|
(SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS \
|
|
|
|
|
| SEC_IN_MEMORY | SEC_LINKER_CREATED)
|
|
|
|
|
#endif
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef elf_backend_collect
|
2002-11-30 09:39:46 +01:00
|
|
|
#define elf_backend_collect FALSE
|
1999-05-03 09:29:11 +02:00
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_type_change_ok
|
2002-11-30 09:39:46 +01:00
|
|
|
#define elf_backend_type_change_ok FALSE
|
1999-05-03 09:29:11 +02:00
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef elf_backend_sym_is_global
|
|
|
|
|
#define elf_backend_sym_is_global 0
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_object_p
|
|
|
|
|
#define elf_backend_object_p 0
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_symbol_processing
|
|
|
|
|
#define elf_backend_symbol_processing 0
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_symbol_table_processing
|
|
|
|
|
#define elf_backend_symbol_table_processing 0
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_get_symbol_type
|
|
|
|
|
#define elf_backend_get_symbol_type 0
|
|
|
|
|
#endif
|
* elf-bfd.h (struct elf_backend_data): Add
elf_backend_archive_symbol_lookup.
(_bfd_elf_archive_symbol_lookup): Declare.
* elflink.c (_bfd_elf_archive_symbol_lookup): New function..
(elf_link_add_archive_symbols): ..extracted from here. Call the
backend version.
* elfxx-target.h (elf_backend_archive_symbol_lookup): Provide default.
(elfNN_bed): Init new field.
* elf64-ppc.c (elf_backend_check_directives): Define.
(elf_backend_archive_symbol_lookup): Define.
(struct ppc_link_hash_table): Add tls_get_add_fd. Make tls_get_add
a ppc_link_hash_entry pointer.
(get_fdh): Move.
(ppc64_elf_archive_symbol_lookup, opd_entry_value): New functions.
(add_symbol_adjust, ppc64_elf_check_directives): New functions.
(ppc64_elf_check_relocs, ppc64_elf_gc_mark_hook, func_desc_adjust,
ppc64_elf_adjust_dynamic_symbol, ppc64_elf_tls_setup,
ppc64_elf_tls_optimize, allocate_dynrelocs, ppc_type_of_stub,
ppc_build_one_stub, ppc64_elf_size_stubs, ppc64_elf_relocate_section,
ppc64_elf_finish_dynamic_symbol): Handle branch relocs to function
descriptor symbols.
2004-08-09 08:02:03 +02:00
|
|
|
#ifndef elf_backend_archive_symbol_lookup
|
|
|
|
|
#define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
|
|
|
|
|
#endif
|
2004-02-09 09:04:00 +01:00
|
|
|
#ifndef elf_backend_name_local_section_symbols
|
|
|
|
|
#define elf_backend_name_local_section_symbols 0
|
|
|
|
|
#endif
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef elf_backend_section_processing
|
|
|
|
|
#define elf_backend_section_processing 0
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_section_from_shdr
|
2005-03-02 05:47:25 +01:00
|
|
|
#define elf_backend_section_from_shdr _bfd_elf_make_section_from_shdr
|
1999-05-03 09:29:11 +02:00
|
|
|
#endif
|
2000-10-06 00:22:27 +02:00
|
|
|
#ifndef elf_backend_section_flags
|
|
|
|
|
#define elf_backend_section_flags 0
|
|
|
|
|
#endif
|
2005-07-04 03:53:44 +02:00
|
|
|
#ifndef elf_backend_get_sec_type_attr
|
|
|
|
|
#define elf_backend_get_sec_type_attr _bfd_elf_get_sec_type_attr
|
|
|
|
|
#endif
|
1999-11-26 10:52:23 +01:00
|
|
|
#ifndef elf_backend_section_from_phdr
|
2005-03-02 05:47:25 +01:00
|
|
|
#define elf_backend_section_from_phdr _bfd_elf_make_section_from_phdr
|
1999-11-26 10:52:23 +01:00
|
|
|
#endif
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef elf_backend_fake_sections
|
|
|
|
|
#define elf_backend_fake_sections 0
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_section_from_bfd_section
|
|
|
|
|
#define elf_backend_section_from_bfd_section 0
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_add_symbol_hook
|
|
|
|
|
#define elf_backend_add_symbol_hook 0
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_link_output_symbol_hook
|
|
|
|
|
#define elf_backend_link_output_symbol_hook 0
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_create_dynamic_sections
|
|
|
|
|
#define elf_backend_create_dynamic_sections 0
|
|
|
|
|
#endif
|
2004-06-21 16:45:42 +02:00
|
|
|
#ifndef elf_backend_omit_section_dynsym
|
|
|
|
|
#define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
|
|
|
|
|
#endif
|
2007-10-18 11:13:51 +02:00
|
|
|
#ifndef elf_backend_relocs_compatible
|
|
|
|
|
#define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
|
|
|
|
|
#endif
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef elf_backend_check_relocs
|
|
|
|
|
#define elf_backend_check_relocs 0
|
|
|
|
|
#endif
|
2004-07-06 18:58:43 +02:00
|
|
|
#ifndef elf_backend_check_directives
|
|
|
|
|
#define elf_backend_check_directives 0
|
|
|
|
|
#endif
|
2013-08-27 03:06:43 +02:00
|
|
|
#ifndef elf_backend_notice_as_needed
|
|
|
|
|
#define elf_backend_notice_as_needed _bfd_elf_notice_as_needed
|
2006-12-23 10:57:38 +01:00
|
|
|
#endif
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef elf_backend_adjust_dynamic_symbol
|
|
|
|
|
#define elf_backend_adjust_dynamic_symbol 0
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_always_size_sections
|
|
|
|
|
#define elf_backend_always_size_sections 0
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_size_dynamic_sections
|
|
|
|
|
#define elf_backend_size_dynamic_sections 0
|
|
|
|
|
#endif
|
2006-10-17 15:41:49 +02:00
|
|
|
#ifndef elf_backend_init_index_section
|
|
|
|
|
#define elf_backend_init_index_section \
|
|
|
|
|
((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
|
|
|
|
|
#endif
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef elf_backend_relocate_section
|
|
|
|
|
#define elf_backend_relocate_section 0
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_finish_dynamic_symbol
|
|
|
|
|
#define elf_backend_finish_dynamic_symbol 0
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_finish_dynamic_sections
|
|
|
|
|
#define elf_backend_finish_dynamic_sections 0
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_begin_write_processing
|
|
|
|
|
#define elf_backend_begin_write_processing 0
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_final_write_processing
|
|
|
|
|
#define elf_backend_final_write_processing 0
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_additional_program_headers
|
|
|
|
|
#define elf_backend_additional_program_headers 0
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_modify_segment_map
|
|
|
|
|
#define elf_backend_modify_segment_map 0
|
|
|
|
|
#endif
|
2006-06-20 16:34:08 +02:00
|
|
|
#ifndef elf_backend_modify_program_headers
|
|
|
|
|
#define elf_backend_modify_program_headers 0
|
|
|
|
|
#endif
|
2016-11-23 12:10:39 +01:00
|
|
|
#ifndef elf_backend_allow_non_load_phdr
|
|
|
|
|
#define elf_backend_allow_non_load_phdr \
|
|
|
|
|
((bfd_boolean (*) (bfd *, const Elf_Internal_Phdr *, unsigned)) bfd_false)
|
|
|
|
|
#endif
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef elf_backend_ecoff_debug_swap
|
|
|
|
|
#define elf_backend_ecoff_debug_swap 0
|
|
|
|
|
#endif
|
2003-05-21 02:56:05 +02:00
|
|
|
#ifndef elf_backend_bfd_from_remote_memory
|
|
|
|
|
#define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
|
|
|
|
|
#endif
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef elf_backend_got_header_size
|
|
|
|
|
#define elf_backend_got_header_size 0
|
|
|
|
|
#endif
|
2008-11-21 01:02:37 +01:00
|
|
|
#ifndef elf_backend_got_elt_size
|
|
|
|
|
#define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
|
|
|
|
|
#endif
|
bfd:
* elf-attrs.c: New.
* Makefile.am (BFD32_BACKENDS): Add elf-attrs.lo.
(BFD32_BACKENDS_CFILES): Add elf-attrs.c.
(elf-attrs.lo): Generate dependencies.
* Makefile.in: Regenerate.
* configure.in (elf): Add elf-attrs.lo.
* configure: Regenerate.
* elf-bfd.h (struct elf_backend_data): Add entries for object
attributes.
(NUM_KNOWN_OBJ_ATTRIBUTES, obj_attribute, obj_attribute_list,
OBJ_ATTR_PROC, OBJ_ATTR_GNU, OBJ_ATTR_FIRST, OBJ_ATTR_LAST,
Tag_NULL, Tag_File, Tag_Section, Tag_Symbol, Tag_compatibility):
New.
(struct elf_obj_tdata): Add entries for object attributes.
(elf_known_obj_attributes, elf_other_obj_attributes,
elf_known_obj_attributes_proc, elf_other_obj_attributes_proc):
New.
(bfd_elf_obj_attr_size, bfd_elf_set_obj_attr_contents,
bfd_elf_get_obj_attr_int, bfd_elf_add_obj_attr_int,
bfd_elf_add_proc_attr_int, bfd_elf_add_obj_attr_string,
bfd_elf_add_proc_attr_string, bfd_elf_add_obj_attr_compat,
bfd_elf_add_proc_attr_compat, _bfd_elf_attr_strdup,
_bfd_elf_copy_obj_attributes, _bfd_elf_obj_attrs_arg_type,
_bfd_elf_parse_attributes, _bfd_elf_merge_object_attributes): New.
* elf.c (_bfd_elf_copy_private_bfd_data): Copy object attributes.
(bfd_section_from_shdr): Handle attributes sections.
* elflink.c (bfd_elf_final_link): Handle attributes sections.
* elfxx-target.h (elf_backend_obj_attrs_vendor,
elf_backend_obj_attrs_section, elf_backend_obj_attrs_arg_type,
elf_backend_obj_attrs_section_type): New.
(elfNN_bed): Update.
* elf32-arm.c (NUM_KNOWN_ATTRIBUTES, aeabi_attribute,
aeabi_attribute_list): Remove.
(struct elf32_arm_obj_tdata): Remove object attributes fields.
(check_use_blx, bfd_elf32_arm_set_vfp11_fix, using_thumb2,
elf32_arm_copy_private_bfd_data, elf32_arm_merge_eabi_attributes):
Update for new object attributes interfaces.
(uleb128_size, is_default_attr, eabi_attr_size,
elf32_arm_eabi_attr_size, write_uleb128, write_eabi_attribute,
elf32_arm_set_eabi_attr_contents, elf32_arm_bfd_final_link,
elf32_arm_new_eabi_attr, elf32_arm_get_eabi_attr_int,
elf32_arm_add_eabi_attr_int, attr_strdup,
elf32_arm_add_eabi_attr_string, elf32_arm_add_eabi_attr_compat,
copy_eabi_attributes, elf32_arm_parse_attributes): Remove. Moved
to generic code in elf-attrs.c.
(elf32_arm_obj_attrs_arg_type): New.
(elf32_arm_fake_sections): Do not handle .ARM.attributes.
(elf32_arm_section_from_shdr): Do not handle SHT_ARM_ATTRIBUTES.
(bfd_elf32_bfd_final_link): Remove.
(elf_backend_obj_attrs_vendor, elf_backend_obj_attrs_section,
elf_backend_obj_attrs_arg_type,
elf_backend_obj_attrs_section_type): New.
* elf32-bfin.c (bfin_elf_copy_private_bfd_data): Copy object
attributes.
* elf32-frv.c (frv_elf_copy_private_bfd_data): Likewise.
* elf32-iq2000.c (iq2000_elf_copy_private_bfd_data): Likewise.
* elf32-mep.c (mep_elf_copy_private_bfd_data): Likewise.
* elf32-mt.c (mt_elf_copy_private_bfd_data): Likewise.
* elf32-sh.c (sh_elf_copy_private_data): Likewise.
* elf64-sh64.c (sh_elf64_copy_private_data_internal): Likewise.
binutils:
* readelf.c (display_gnu_attribute): New.
(process_arm_specific): Rearrange as process_attributes.
(process_arm_specific): Replace by wrapper of process_attributes.
gas:
* as.c (create_obj_attrs_section): New.
(main): Call create_obj_attrs_section for ELF.
* read.c (s_gnu_attribute, skip_whitespace, skip_past_char,
skip_past_comma, s_vendor_attribute): New.
(potable): Add gnu_attribute for ELF.
* read.h (s_vendor_attribute): Declare.
* config/tc-arm.c (s_arm_eabi_attribute): Replace by wrapper
round s_vendor_attribute.
(aeabi_set_public_attributes): Update for new attributes
interfaces.
(arm_md_end): Remove attributes contents setting now done
generically.
include/elf:
* arm.h (elf32_arm_add_eabi_attr_int,
elf32_arm_add_eabi_attr_string, elf32_arm_add_eabi_attr_compat,
elf32_arm_get_eabi_attr_int, elf32_arm_set_eabi_attr_contents,
elf32_arm_eabi_attr_size, Tag_NULL, Tag_File, Tag_Section,
Tag_Symbol, Tag_compatibility): Remove.
* common.h (SHT_GNU_ATTRIBUTES): Define.
ld:
* emulparams/armelf.sh (OTHER_SECTIONS): Remove .ARM.attributes.
(ATTRS_SECTIONS): Define.
* scripttempl/elf.sc, scripttempl/elf32sh-symbian.sc,
scripttempl/elf_chaos.sc, scripttempl/elfi370.sc,
scripttempl/elfxtensa.sc: Handle ATTRS_SECTIONS.
2007-06-29 18:29:17 +02:00
|
|
|
#ifndef elf_backend_obj_attrs_vendor
|
|
|
|
|
#define elf_backend_obj_attrs_vendor NULL
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_obj_attrs_section
|
|
|
|
|
#define elf_backend_obj_attrs_section NULL
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_obj_attrs_arg_type
|
|
|
|
|
#define elf_backend_obj_attrs_arg_type NULL
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_obj_attrs_section_type
|
|
|
|
|
#define elf_backend_obj_attrs_section_type SHT_GNU_ATTRIBUTES
|
|
|
|
|
#endif
|
2009-01-19 13:14:05 +01:00
|
|
|
#ifndef elf_backend_obj_attrs_order
|
|
|
|
|
#define elf_backend_obj_attrs_order NULL
|
|
|
|
|
#endif
|
2010-11-04 12:35:01 +01:00
|
|
|
#ifndef elf_backend_obj_attrs_handle_unknown
|
|
|
|
|
#define elf_backend_obj_attrs_handle_unknown NULL
|
|
|
|
|
#endif
|
2017-04-03 17:03:14 +02:00
|
|
|
#ifndef elf_backend_parse_gnu_properties
|
|
|
|
|
#define elf_backend_parse_gnu_properties NULL
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_merge_gnu_properties
|
|
|
|
|
#define elf_backend_merge_gnu_properties NULL
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_setup_gnu_properties
|
|
|
|
|
#define elf_backend_setup_gnu_properties _bfd_elf_link_setup_gnu_properties
|
|
|
|
|
#endif
|
2010-10-21 14:29:02 +02:00
|
|
|
#ifndef elf_backend_static_tls_alignment
|
|
|
|
|
#define elf_backend_static_tls_alignment 1
|
|
|
|
|
#endif
|
1999-05-28 15:24:33 +02:00
|
|
|
#ifndef elf_backend_post_process_headers
|
2013-12-17 22:40:46 +01:00
|
|
|
#define elf_backend_post_process_headers _bfd_elf_post_process_headers
|
1999-05-28 15:24:33 +02:00
|
|
|
#endif
|
1999-07-30 23:34:44 +02:00
|
|
|
#ifndef elf_backend_print_symbol_all
|
|
|
|
|
#define elf_backend_print_symbol_all NULL
|
|
|
|
|
#endif
|
2006-05-24 19:10:02 +02:00
|
|
|
#ifndef elf_backend_output_arch_local_syms
|
|
|
|
|
#define elf_backend_output_arch_local_syms NULL
|
|
|
|
|
#endif
|
1999-07-30 23:34:44 +02:00
|
|
|
#ifndef elf_backend_output_arch_syms
|
|
|
|
|
#define elf_backend_output_arch_syms NULL
|
|
|
|
|
#endif
|
2016-07-15 18:49:08 +02:00
|
|
|
#ifndef elf_backend_filter_implib_symbols
|
|
|
|
|
#define elf_backend_filter_implib_symbols NULL
|
|
|
|
|
#endif
|
2000-02-18 10:23:06 +01:00
|
|
|
#ifndef elf_backend_copy_indirect_symbol
|
2016-07-15 18:49:08 +02:00
|
|
|
#define elf_backend_copy_indirect_symbol _bfd_elf_link_hash_copy_indirect
|
2000-02-18 10:23:06 +01:00
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_hide_symbol
|
2016-07-15 18:49:08 +02:00
|
|
|
#define elf_backend_hide_symbol _bfd_elf_link_hash_hide_symbol
|
2000-02-18 10:23:06 +01:00
|
|
|
#endif
|
2006-02-24 16:47:25 +01:00
|
|
|
#ifndef elf_backend_fixup_symbol
|
2011-07-28 19:39:20 +02:00
|
|
|
#define elf_backend_fixup_symbol NULL
|
2006-02-24 16:47:25 +01:00
|
|
|
#endif
|
2003-10-15 00:43:10 +02:00
|
|
|
#ifndef elf_backend_merge_symbol_attribute
|
|
|
|
|
#define elf_backend_merge_symbol_attribute NULL
|
|
|
|
|
#endif
|
2008-02-27 18:06:06 +01:00
|
|
|
#ifndef elf_backend_get_target_dtag
|
|
|
|
|
#define elf_backend_get_target_dtag NULL
|
|
|
|
|
#endif
|
2005-12-23 13:29:36 +01:00
|
|
|
#ifndef elf_backend_ignore_undef_symbol
|
|
|
|
|
#define elf_backend_ignore_undef_symbol NULL
|
|
|
|
|
#endif
|
2001-06-20 22:34:10 +02:00
|
|
|
#ifndef elf_backend_emit_relocs
|
2005-05-05 16:37:27 +02:00
|
|
|
#define elf_backend_emit_relocs _bfd_elf_link_output_relocs
|
2001-06-20 22:34:10 +02:00
|
|
|
#endif
|
2016-09-28 12:50:41 +02:00
|
|
|
#ifndef elf_backend_update_relocs
|
|
|
|
|
#define elf_backend_update_relocs NULL
|
|
|
|
|
#endif
|
2001-06-20 22:34:10 +02:00
|
|
|
#ifndef elf_backend_count_relocs
|
|
|
|
|
#define elf_backend_count_relocs NULL
|
|
|
|
|
#endif
|
2015-12-22 16:50:13 +01:00
|
|
|
#ifndef elf_backend_count_additional_relocs
|
|
|
|
|
#define elf_backend_count_additional_relocs NULL
|
|
|
|
|
#endif
|
2014-12-09 05:02:22 +01:00
|
|
|
#ifndef elf_backend_sort_relocs_p
|
|
|
|
|
#define elf_backend_sort_relocs_p NULL
|
|
|
|
|
#endif
|
2001-06-30 05:15:46 +02:00
|
|
|
#ifndef elf_backend_grok_prstatus
|
|
|
|
|
#define elf_backend_grok_prstatus NULL
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_grok_psinfo
|
|
|
|
|
#define elf_backend_grok_psinfo NULL
|
|
|
|
|
#endif
|
2007-02-01 06:35:58 +01:00
|
|
|
#ifndef elf_backend_write_core_note
|
|
|
|
|
#define elf_backend_write_core_note NULL
|
|
|
|
|
#endif
|
2011-07-11 17:03:09 +02:00
|
|
|
#ifndef elf_backend_lookup_section_flags_hook
|
|
|
|
|
#define elf_backend_lookup_section_flags_hook NULL
|
|
|
|
|
#endif
|
2001-08-23 17:14:18 +02:00
|
|
|
#ifndef elf_backend_reloc_type_class
|
|
|
|
|
#define elf_backend_reloc_type_class _bfd_elf_reloc_type_class
|
|
|
|
|
#endif
|
2001-11-15 02:34:12 +01:00
|
|
|
#ifndef elf_backend_discard_info
|
|
|
|
|
#define elf_backend_discard_info NULL
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_ignore_discarded_relocs
|
|
|
|
|
#define elf_backend_ignore_discarded_relocs NULL
|
|
|
|
|
#endif
|
2005-07-29 04:46:04 +02:00
|
|
|
#ifndef elf_backend_action_discarded
|
|
|
|
|
#define elf_backend_action_discarded _bfd_elf_default_action_discarded
|
|
|
|
|
#endif
|
2005-01-31 21:39:11 +01:00
|
|
|
#ifndef elf_backend_eh_frame_address_size
|
|
|
|
|
#define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
|
|
|
|
|
#endif
|
2004-02-28 01:35:45 +01:00
|
|
|
#ifndef elf_backend_can_make_relative_eh_frame
|
|
|
|
|
#define elf_backend_can_make_relative_eh_frame _bfd_elf_can_make_relative
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_can_make_lsda_relative_eh_frame
|
|
|
|
|
#define elf_backend_can_make_lsda_relative_eh_frame _bfd_elf_can_make_relative
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_encode_eh_address
|
|
|
|
|
#define elf_backend_encode_eh_address _bfd_elf_encode_eh_address
|
|
|
|
|
#endif
|
2001-11-15 02:34:12 +01:00
|
|
|
#ifndef elf_backend_write_section
|
|
|
|
|
#define elf_backend_write_section NULL
|
|
|
|
|
#endif
|
2002-04-04 09:01:27 +02:00
|
|
|
#ifndef elf_backend_mips_irix_compat
|
|
|
|
|
#define elf_backend_mips_irix_compat NULL
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_mips_rtype_to_howto
|
|
|
|
|
#define elf_backend_mips_rtype_to_howto NULL
|
|
|
|
|
#endif
|
2000-02-18 10:23:06 +01:00
|
|
|
|
1999-06-02 15:01:04 +02:00
|
|
|
/* Previously, backends could only use SHT_REL or SHT_RELA relocation
|
|
|
|
|
sections, but not both. They defined USE_REL to indicate SHT_REL
|
|
|
|
|
sections, and left it undefined to indicated SHT_RELA sections.
|
|
|
|
|
For backwards compatibility, we still support this usage. */
|
|
|
|
|
#ifndef USE_REL
|
|
|
|
|
#define USE_REL 0
|
2001-01-03 23:53:39 +01:00
|
|
|
#endif
|
1999-06-02 15:01:04 +02:00
|
|
|
|
|
|
|
|
/* Use these in new code. */
|
2001-01-03 23:53:39 +01:00
|
|
|
#ifndef elf_backend_may_use_rel_p
|
1999-06-02 15:01:04 +02:00
|
|
|
#define elf_backend_may_use_rel_p USE_REL
|
2001-01-03 23:53:39 +01:00
|
|
|
#endif
|
1999-06-02 15:01:04 +02:00
|
|
|
#ifndef elf_backend_may_use_rela_p
|
|
|
|
|
#define elf_backend_may_use_rela_p !USE_REL
|
|
|
|
|
#endif
|
2001-01-03 23:53:39 +01:00
|
|
|
#ifndef elf_backend_default_use_rela_p
|
1999-06-02 15:01:04 +02:00
|
|
|
#define elf_backend_default_use_rela_p !USE_REL
|
|
|
|
|
#endif
|
2008-08-07 22:04:32 +02:00
|
|
|
#ifndef elf_backend_rela_plts_and_copies_p
|
|
|
|
|
#define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
|
|
|
|
|
#endif
|
1999-06-02 15:01:04 +02:00
|
|
|
|
2002-05-07 02:16:53 +02:00
|
|
|
#ifndef elf_backend_rela_normal
|
|
|
|
|
#define elf_backend_rela_normal 0
|
|
|
|
|
#endif
|
|
|
|
|
|
2016-11-23 05:37:17 +01:00
|
|
|
#ifndef elf_backend_dtrel_excludes_plt
|
|
|
|
|
#define elf_backend_dtrel_excludes_plt 0
|
|
|
|
|
#endif
|
|
|
|
|
|
2004-04-22 16:45:32 +02:00
|
|
|
#ifndef elf_backend_plt_sym_val
|
|
|
|
|
#define elf_backend_plt_sym_val NULL
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef elf_backend_relplt_name
|
|
|
|
|
#define elf_backend_relplt_name NULL
|
|
|
|
|
#endif
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifndef ELF_MACHINE_ALT1
|
|
|
|
|
#define ELF_MACHINE_ALT1 0
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef ELF_MACHINE_ALT2
|
|
|
|
|
#define ELF_MACHINE_ALT2 0
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef elf_backend_size_info
|
|
|
|
|
#define elf_backend_size_info _bfd_elfNN_size_info
|
|
|
|
|
#endif
|
|
|
|
|
|
2005-07-08 02:26:53 +02:00
|
|
|
#ifndef elf_backend_special_sections
|
|
|
|
|
#define elf_backend_special_sections NULL
|
|
|
|
|
#endif
|
|
|
|
|
|
1999-11-18 02:06:45 +01:00
|
|
|
#ifndef elf_backend_sign_extend_vma
|
|
|
|
|
#define elf_backend_sign_extend_vma 0
|
|
|
|
|
#endif
|
|
|
|
|
|
2004-07-30 17:37:04 +02:00
|
|
|
#ifndef elf_backend_link_order_error_handler
|
2016-09-30 03:33:52 +02:00
|
|
|
#define elf_backend_link_order_error_handler _bfd_error_handler
|
2004-07-30 17:37:04 +02:00
|
|
|
#endif
|
|
|
|
|
|
2005-07-25 17:35:37 +02:00
|
|
|
#ifndef elf_backend_common_definition
|
|
|
|
|
#define elf_backend_common_definition _bfd_elf_common_definition
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef elf_backend_common_section_index
|
|
|
|
|
#define elf_backend_common_section_index _bfd_elf_common_section_index
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef elf_backend_common_section
|
|
|
|
|
#define elf_backend_common_section _bfd_elf_common_section
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef elf_backend_merge_symbol
|
|
|
|
|
#define elf_backend_merge_symbol NULL
|
|
|
|
|
#endif
|
|
|
|
|
|
include/
* bfdlink.h (struct bfd_link_info): Add emit_hash and
emit_gnu_hash bitfields.
include/elf/
* common.h (SHT_GNU_HASH, DT_GNU_HASH): Define.
ld/
* scripttempl/elf.sc: Add .gnu.hash section.
* emultempl/elf32.em (OPTION_HASH_STYLE): Define.
(gld${EMULATION_NAME}_add_options): Register --hash-style option.
(gld${EMULATION_NAME}_handle_option): Handle it.
(gld${EMULATION_NAME}_list_options): Document it.
* ldmain.c (main): Initialize emit_hash and emit_gnu_hash.
* ld.texinfo: Document --hash-style option.
bfd/
* elf.c (_bfd_elf_print_private_bfd_data): Handle DT_GNU_HASH.
(bfd_section_from_shdr, elf_fake_sections, assign_section_numbers):
Handle SHT_GNU_HASH.
(special_sections_g): Include .gnu.hash section.
(bfd_elf_gnu_hash): New function.
* elf-bfd.h (bfd_elf_gnu_hash, _bfd_elf_hash_symbol): New prototypes.
(struct elf_backend_data): Add elf_hash_symbol method.
* elflink.c (_bfd_elf_link_create_dynamic_sections): Create .hash
only if info->emit_hash, create .gnu.hash section if
info->emit_gnu_hash.
(struct collect_gnu_hash_codes): New type.
(elf_collect_gnu_hash_codes, elf_renumber_gnu_hash_syms,
_bfd_elf_hash_symbol): New functions.
(compute_bucket_count): Don't compute HASHCODES array, instead add
that and NSYMS as arguments. Use bed->s->sizeof_hash_entry
instead of bed->s->arch_size / 8. Fix .hash size estimation.
When not optimizing, use the number of hashed symbols rather than
dynsymcount.
(bfd_elf_size_dynamic_sections): Only add DT_HASH if info->emit_hash,
and ADD DT_GNU_HASH if info->emit_gnu_hash.
(bfd_elf_size_dynsym_hash_dynstr): Size .hash only if info->emit_hash,
adjust compute_bucket_count caller. Create and populate .gnu.hash
section if info->emit_gnu_hash.
(elf_link_output_extsym): Only populate .hash section if
finfo->hash_sec != NULL.
(bfd_elf_final_link): Adjust assertion. Handle DT_GNU_HASH.
* elfxx-target.h (elf_backend_hash_symbol): Define if not yet defined.
(elfNN_bed): Add elf_backend_hash_symbol.
* elf64-x86-64.c (elf64_x86_64_hash_symbol): New function.
(elf_backend_hash_symbol): Define.
* elf32-i386.c (elf_i386_hash_symbol): New function.
(elf_backend_hash_symbol): Define.
binutils/
* readelf.c (get_dynamic_type): Handle DT_GNU_HASH.
(get_section_type_name): Handle SHT_GNU_HASH.
(dynamic_info_DT_GNU_HASH): New variable.
(process_dynamic_section): Handle DT_GNU_HASH.
(process_symbol_table): Print also DT_GNU_HASH histogram.
ld/testsuite/
* ld-powerpc/tlsso32.r: Adjust.
* ld-powerpc/tlsso32.d: Adjust.
* ld-powerpc/tlsso32.g: Adjust.
* ld-powerpc/tlsso.r: Adjust.
* ld-powerpc/tlsso.g: Adjust.
* ld-powerpc/tlstocso.g: Adjust.
2006-07-10 23:40:25 +02:00
|
|
|
#ifndef elf_backend_hash_symbol
|
|
|
|
|
#define elf_backend_hash_symbol _bfd_elf_hash_symbol
|
|
|
|
|
#endif
|
|
|
|
|
|
2007-04-17 22:09:52 +02:00
|
|
|
#ifndef elf_backend_is_function_type
|
|
|
|
|
#define elf_backend_is_function_type _bfd_elf_is_function_type
|
|
|
|
|
#endif
|
|
|
|
|
|
2012-01-23 07:16:38 +01:00
|
|
|
#ifndef elf_backend_maybe_function_sym
|
|
|
|
|
#define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
|
|
|
|
|
#endif
|
|
|
|
|
|
2015-03-30 13:40:33 +02:00
|
|
|
#ifndef elf_backend_get_reloc_section
|
2017-04-23 03:33:34 +02:00
|
|
|
#define elf_backend_get_reloc_section _bfd_elf_plt_get_reloc_section
|
2015-03-30 13:40:33 +02:00
|
|
|
#endif
|
|
|
|
|
|
2016-04-29 10:24:42 +02:00
|
|
|
#ifndef elf_backend_copy_special_section_fields
|
|
|
|
|
#define elf_backend_copy_special_section_fields NULL
|
2016-04-14 13:04:09 +02:00
|
|
|
#endif
|
|
|
|
|
|
Compact EH Support
The specification for the Compact EH format is available at:
https://github.com/MentorEmbedded/cxx-abi/blob/master/MIPSCompactEH.pdf
2015-05-28 Catherine Moore <clm@codesourcery.com>
Bernd Schmidt <bernds@codesourcery.com>
Paul Brook <paul@codesourcery.com>
bfd/
* bfd-in2.h: Regenerated.
* elf-bfd.h (DWARF2_EH_HDR, COMPACT_EH_HDR): Define.
(COMPACT_EH_CANT_UNWIND_OPCODE): Define.
(dwarf_eh_frame_hdr_info): Move dwarf-specific fields from
eh_frame_hdr_info.
(compact_eh_frame_hdr_info): Declare.
(eh_frame_hdr_info): Redeclare with union for dwarf-specific
fields and compact-eh fields.
(elf_backend_data): Add cant_unwind_opcode and compact_eh_encoding.
(bfd_elf_section_data): Add eh_frame_entry_field.
(elf_section_eh_frame_entry): Define.
(bfd_elf_parse_eh_frame_entries): Declare.
(_bfd_elf_parse_eh_frame_entry): Declare.
(_bfd_elf_end_eh_frame_parsing): Declare.
(_bfd_elf_write_section_eh_frame_entry): Declare.
(_bfd_elf_eh_frame_entry_present): Declare.
(_bfd_elf_section_for_symbol): Declare.
* elf-eh-frame.c (bfd_elf_discard_eh_frame_entry): New function.
(bfd_elf_record_eh_frame_entry): New function.
(_bfd_elf_parse_eh_frame_entry): New function.
(_bfd_elf_parse_eh_frame): Update hdr_info field references.
(cmp_eh_frame_hdr): New function.
(add_eh_frame_hdr_terminator): New function.
(_bfd_elf_end_eh_frame_parsing): New function.
(find_merged_cie): Update hdr_info field references.
(_bfd_elf_discard_section_eh_frame): Likewise.
(_bfd_elf_discard_section_eh_frame_hdr): Add Compact EH support.
(_bfd_elf_eh_frame_entry_present): New function.
(_bfd_elf_maybe_strip_eh_frame_hdr): Add Compact EH support.
(_bfd_elf_write_section_eh_frame_entry): New function.
(_bfd_elf_write_section_eh_frame): Update hdr_info field references.
(_bfd_elf_fixup_eh_frame_hdr): New function.
(write_compact_eh_frame_hdr): New function.
(write_dwarf_eh_frame_hdr): New function.
(_bfd_elf_write_section_eh_frame_hdr): Add Compact EH support.
* elflink.c (_bfd_elf_section_for_symbol): New function.
(elf_section_ignore_discarded_relocs): Add Compact EH support.
(elf_link_input_bfd): Likewise.
(bfd_elf_final_link): Likewise.
(_bfd_elf_gc_mark): Likewise.
(bfd_elf_parse_eh_frame_entries): New function.
(bfd_elf_gc_sections): Add Compact EH support.
(bfd_elf_discard_info): Likewise.
* elfxx-mips.c: Include dwarf2.h.
(_bfd_mips_elf_compact_eh_encoding): New function.
(_bfd_mips_elf_cant_unwind_opcode): New function.
* elfxx-mips.h (_bfd_mips_elf_compact_eh_encoding): Declare.
(_bfd_mips_elf_cant_unwind_opcode): Declare.
(elf_backend_compact_eh_encoding): Define.
(elf_backend_cant_unwind_opcode): Define.
* elfxx-target.h (elf_backend_compact_eh_encoding): Provide default.
(elf_backend_cant_unwind_opcode): Provide default.
(elf_backend_data elfNN_bed): Add elf_backend_compact_eh_encoding and
elf_backend_cant_unwind_opcode.
* section.c (SEC_INFO_TYPE_EH_FRAME_ENTRY): Add definition.
gas/
* config/tc-alpha.c (all_cfi_sections): Declare.
(s_alpha_ent): Initialize all_cfi_sections.
(alpha_elf_md_end): Invoke cfi_set_sections.
* config/tc-mips.c (md_apply_fix): Handle BFD_RELOC_NONE.
(s_ehword): Use BFD_RELOC_32_PCREL.
(mips_fix_adjustable): Handle BFD_RELOC_32_PCREL.
(mips_cfi_reloc_for_encoding): New function.
* tc-mips.h (DWARF2_FDE_RELOC_SIZE): Redefine.
(DWARF2_FDE_RELOC_ENCODING): Define.
(tc_cfi_reloc_for_encoding): Define.
(mips_cfi_reloc_for_encoding): Define.
(tc_compact_eh_opcode_stop): Define.
(tc_compact_eh_opcode_pad): Define.
* doc/as.texinfo: Document Compact EH extensions.
* doc/internals.texi: Likewise.
* dw2gencfi.c (EH_FRAME_LINKONCE): Redefine.
(tc_cfi_reloc_for_encoding): Provide default.
(compact_eh): Declare.
(emit_expr_encoded): New function.
(get_debugseg_name): Add Compact EH support.
(alloc_debugseg_item): Likewise.
(cfi_set_sections): New function.
(dot_cfi_fde_data): New function.
(dot_cfi_personality_id): New function.
(dot_cfi_inline_lsda): New function.
(cfi_pseudo_table): Add cfi_fde_data, cfi_personality_id,
and cfi_inline_lsda.
(dot_cfi_personality): Add Compact EH support.
(dot_cfi_lsda): Likewise.
(dot_cfi_sections): Likewise.
(dot_cfi_startproc): Likewise.
(get_cfi_seg): Likewise.
(output_compact_unwind_data): New function.
(output_cfi_insn): Add Compact EH support.
(output_cie): Likewise.
(output_fde): Likewise.
(cfi_finish): Likewise.
(cfi_emit_eh_header): New function.
(output_eh_header): New function.
* dw2gencfi.h (cfi_set_sections): Declare.
(SUPPORT_COMPACT_EH): Define.
(MULTIPLE_FRAME_SECTIONS): Define.
New enumeration to describe the Compact EH header format.
(fde_entry): Add new fields personality_id, eh_header_type, eh_data_size,
eh_data, eh_loc and sections.
(CFI_EMIT_eh_frame, CFI_EMIT_debug_frame, CFI_EMIT_target,
CFI_EMIT_eh_frame_compact): Define.
2015-05-22 Catherine Moore <clm@codesourcery.com>
Bernd Schmidt <bernds@codesourcery.com>
gas/testsuite/
* gas/mips/mips.exp: Run new tests.
* gas/mips/compact-eh-1.s: New file.
* gas/mips/compact-eh-2.s: New file.
* gas/mips/compact-eh-3.s: New file.
* gas/mips/compact-eh-4.s: New file.
* gas/mips/compact-eh-5.s: New file.
* gas/mips/compact-eh-6.s: New file.
* gas/mips/compact-eh-7.s: New file.
* gas/mips/compact-eh-eb-1.d: New file.
* gas/mips/compact-eh-eb-2.d: New file.
* gas/mips/compact-eh-eb-3.d: New file.
* gas/mips/compact-eh-eb-4.d: New file.
* gas/mips/compact-eh-eb-5.d: New file.
* gas/mips/compact-eh-eb-6.d: New file.
* gas/mips/compact-eh-eb-7.d: New file.
* gas/mips/compact-eh-el-1.d: New file.
* gas/mips/compact-eh-el-2.d: New file.
* gas/mips/compact-eh-el-3.d: New file.
* gas/mips/compact-eh-el-4.d: New file.
* gas/mips/compact-eh-el-5.d: New file.
* gas/mips/compact-eh-el-6.d: New file.
* gas/mips/compact-eh-el-7.d: New file.
* gas/mips/compact-eh-err1.l: New file.
* gas/mips/compact-eh-err1.s: New file.
* gas/mips/compact-eh-err2.l: New file.
* gas/mips/compact-eh-err2.s: New file.
2015-05-22 Catherine Moore <clm@codesourcery.com>
include/
* bfdlink.h: Rename eh_frame_hdr to eh_frame_hdr_type.
2015-05-22 Catherine Moore <clm@codesourcery.com>
Paul Brook <paul@codesourcery.com>
ld/
* emultempl/elf32.em (gld${EMULATION_NAME}_after_open):
Add Compact EH support.
* scripttempl/elf.sc: Handle .eh_frame_entry and .gnu_extab
sections.
2015-05-22 Catherine Moore <clm@codesourcery.com>
ld/testsuite/
* ld-mips-elf/compact-eh.ld: New linker script.
* ld-mips-elf/compact-eh1.d: New.
* ld-mips-elf/compact-eh1.s: New.
* ld-mips-elf/compact-eh1a.s: New.
* ld-mips-elf/compact-eh1b.s: New.
* ld-mips-elf/compact-eh2.d: New.
* ld-mips-elf/compact-eh2.s: New.
* ld-mips-elf/compact-eh3.d: New.
* ld-mips-elf/compact-eh3.s: New.
* ld-mips-elf/compact-eh3a.s: New.
* ld-mips-elf/compact-eh4.d: New.
* ld-mips-elf/compact-eh5.d: New.
* ld-mips-elf/compact-eh6.d: New.
* ld-mips-elf/mips-elf.exp: Run new tests.
2015-05-28 23:50:36 +02:00
|
|
|
#ifndef elf_backend_compact_eh_encoding
|
|
|
|
|
#define elf_backend_compact_eh_encoding NULL
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef elf_backend_cant_unwind_opcode
|
|
|
|
|
#define elf_backend_cant_unwind_opcode 0
|
|
|
|
|
#endif
|
|
|
|
|
|
2020-10-13 23:22:48 +02:00
|
|
|
#ifndef elf_backend_r_none_info
|
|
|
|
|
#define elf_backend_r_none_info 0
|
|
|
|
|
#endif
|
|
|
|
|
|
* targets.c (bfd_target): Make ar_max_namelen an unsigned char.
Add match_priority.
* configure.in: Bump bfd version.
* elfcode.h (elf_object_p): Delete hacks preventing match of
EM_NONE and ELFOSABI_NONE targets when a better match exists.
* elfxx-target.h (elf_match_priority): Define and use.
* format.c (bfd_check_format_matches): Use target match_priority
to choose best of multiple matching targets. In cases with multiple
matches rerun _bfd_check_format if we don't choose the last match.
* aout-adobe.c, * aout-arm.c, * aout-target.h, * aout-tic30.c,
* binary.c, * bout.c, * coff-alpha.c, * coff-i386.c, * coff-i860.c,
* coff-i960.c, * coff-ia64.c, * coff-mips.c, * coff-or32.c,
* coff-ppc.c, * coff-rs6000.c, * coff-sh.c, * coff-tic30.c,
* coff-tic54x.c, * coff-x86_64.c, * coff64-rs6000.c, * coffcode.h,
* i386msdos.c, * i386os9k.c, * ieee.c, * ihex.c, * mach-o-target.c,
* mipsbsd.c, * mmo.c, * nlm-target.h, * oasys.c, * pdp11.c,
* pe-mips.c, * pef.c, * plugin.c, * ppcboot.c, * som.c, * srec.c,
* tekhex.c, * trad-core.c, * verilog.c, * versados.c, * vms-alpha.c,
* vms-lib.c, * xsym.c: Init match_priority field.
* configure: Regenerate.
* bfd-in2.h: Regenerate.
2011-06-06 03:26:05 +02:00
|
|
|
#ifndef elf_match_priority
|
|
|
|
|
#define elf_match_priority \
|
|
|
|
|
(ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
|
|
|
|
|
#endif
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
extern const struct elf_size_info _bfd_elfNN_size_info;
|
|
|
|
|
|
2006-05-30 18:45:32 +02:00
|
|
|
static struct elf_backend_data elfNN_bed =
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
|
ELF_ARCH, /* arch */
|
2010-08-25 16:53:45 +02:00
|
|
|
ELF_TARGET_ID, /* target_id */
|
1999-05-03 09:29:11 +02:00
|
|
|
ELF_MACHINE_CODE, /* elf_machine_code */
|
2007-03-14 03:56:45 +01:00
|
|
|
ELF_OSABI, /* elf_osabi */
|
1999-05-03 09:29:11 +02:00
|
|
|
ELF_MAXPAGESIZE, /* maxpagesize */
|
2005-01-28 18:58:24 +01:00
|
|
|
ELF_MINPAGESIZE, /* minpagesize */
|
2006-05-30 18:45:32 +02:00
|
|
|
ELF_COMMONPAGESIZE, /* commonpagesize */
|
2005-05-07 04:55:55 +02:00
|
|
|
ELF_DYNAMIC_SEC_FLAGS, /* dynamic_sec_flags */
|
2011-07-28 19:39:20 +02:00
|
|
|
elf_backend_arch_data,
|
1999-05-03 09:29:11 +02:00
|
|
|
elf_info_to_howto,
|
|
|
|
|
elf_info_to_howto_rel,
|
|
|
|
|
elf_backend_sym_is_global,
|
|
|
|
|
elf_backend_object_p,
|
|
|
|
|
elf_backend_symbol_processing,
|
|
|
|
|
elf_backend_symbol_table_processing,
|
|
|
|
|
elf_backend_get_symbol_type,
|
* elf-bfd.h (struct elf_backend_data): Add
elf_backend_archive_symbol_lookup.
(_bfd_elf_archive_symbol_lookup): Declare.
* elflink.c (_bfd_elf_archive_symbol_lookup): New function..
(elf_link_add_archive_symbols): ..extracted from here. Call the
backend version.
* elfxx-target.h (elf_backend_archive_symbol_lookup): Provide default.
(elfNN_bed): Init new field.
* elf64-ppc.c (elf_backend_check_directives): Define.
(elf_backend_archive_symbol_lookup): Define.
(struct ppc_link_hash_table): Add tls_get_add_fd. Make tls_get_add
a ppc_link_hash_entry pointer.
(get_fdh): Move.
(ppc64_elf_archive_symbol_lookup, opd_entry_value): New functions.
(add_symbol_adjust, ppc64_elf_check_directives): New functions.
(ppc64_elf_check_relocs, ppc64_elf_gc_mark_hook, func_desc_adjust,
ppc64_elf_adjust_dynamic_symbol, ppc64_elf_tls_setup,
ppc64_elf_tls_optimize, allocate_dynrelocs, ppc_type_of_stub,
ppc_build_one_stub, ppc64_elf_size_stubs, ppc64_elf_relocate_section,
ppc64_elf_finish_dynamic_symbol): Handle branch relocs to function
descriptor symbols.
2004-08-09 08:02:03 +02:00
|
|
|
elf_backend_archive_symbol_lookup,
|
2004-02-09 09:04:00 +01:00
|
|
|
elf_backend_name_local_section_symbols,
|
1999-05-03 09:29:11 +02:00
|
|
|
elf_backend_section_processing,
|
|
|
|
|
elf_backend_section_from_shdr,
|
2000-10-06 00:22:27 +02:00
|
|
|
elf_backend_section_flags,
|
2005-07-04 03:53:44 +02:00
|
|
|
elf_backend_get_sec_type_attr,
|
1999-11-26 10:52:23 +01:00
|
|
|
elf_backend_section_from_phdr,
|
1999-05-03 09:29:11 +02:00
|
|
|
elf_backend_fake_sections,
|
|
|
|
|
elf_backend_section_from_bfd_section,
|
|
|
|
|
elf_backend_add_symbol_hook,
|
|
|
|
|
elf_backend_link_output_symbol_hook,
|
|
|
|
|
elf_backend_create_dynamic_sections,
|
2004-06-21 16:45:42 +02:00
|
|
|
elf_backend_omit_section_dynsym,
|
2007-10-18 11:13:51 +02:00
|
|
|
elf_backend_relocs_compatible,
|
1999-05-03 09:29:11 +02:00
|
|
|
elf_backend_check_relocs,
|
2004-07-06 18:58:43 +02:00
|
|
|
elf_backend_check_directives,
|
2013-08-27 03:06:43 +02:00
|
|
|
elf_backend_notice_as_needed,
|
1999-05-03 09:29:11 +02:00
|
|
|
elf_backend_adjust_dynamic_symbol,
|
|
|
|
|
elf_backend_always_size_sections,
|
|
|
|
|
elf_backend_size_dynamic_sections,
|
2006-10-17 15:41:49 +02:00
|
|
|
elf_backend_init_index_section,
|
1999-05-03 09:29:11 +02:00
|
|
|
elf_backend_relocate_section,
|
|
|
|
|
elf_backend_finish_dynamic_symbol,
|
|
|
|
|
elf_backend_finish_dynamic_sections,
|
|
|
|
|
elf_backend_begin_write_processing,
|
|
|
|
|
elf_backend_final_write_processing,
|
|
|
|
|
elf_backend_additional_program_headers,
|
|
|
|
|
elf_backend_modify_segment_map,
|
2006-06-20 16:34:08 +02:00
|
|
|
elf_backend_modify_program_headers,
|
2016-11-23 12:10:39 +01:00
|
|
|
elf_backend_allow_non_load_phdr,
|
2008-01-15 08:25:49 +01:00
|
|
|
elf_backend_gc_keep,
|
2006-01-17 16:32:41 +01:00
|
|
|
elf_backend_gc_mark_dynamic_ref,
|
1999-05-03 09:29:11 +02:00
|
|
|
elf_backend_gc_mark_hook,
|
2007-02-22 18:03:59 +01:00
|
|
|
elf_backend_gc_mark_extra_sections,
|
1999-05-03 09:29:11 +02:00
|
|
|
elf_backend_gc_sweep_hook,
|
1999-05-28 15:24:33 +02:00
|
|
|
elf_backend_post_process_headers,
|
1999-07-30 23:34:44 +02:00
|
|
|
elf_backend_print_symbol_all,
|
2006-05-24 19:10:02 +02:00
|
|
|
elf_backend_output_arch_local_syms,
|
1999-07-30 23:34:44 +02:00
|
|
|
elf_backend_output_arch_syms,
|
2016-07-15 18:49:08 +02:00
|
|
|
elf_backend_filter_implib_symbols,
|
2000-02-18 10:23:06 +01:00
|
|
|
elf_backend_copy_indirect_symbol,
|
|
|
|
|
elf_backend_hide_symbol,
|
2006-02-24 16:47:25 +01:00
|
|
|
elf_backend_fixup_symbol,
|
2003-10-15 00:43:10 +02:00
|
|
|
elf_backend_merge_symbol_attribute,
|
2008-02-27 18:06:06 +01:00
|
|
|
elf_backend_get_target_dtag,
|
2005-12-23 13:29:36 +01:00
|
|
|
elf_backend_ignore_undef_symbol,
|
2001-06-20 22:34:10 +02:00
|
|
|
elf_backend_emit_relocs,
|
2016-09-28 12:50:41 +02:00
|
|
|
elf_backend_update_relocs,
|
2001-06-20 22:34:10 +02:00
|
|
|
elf_backend_count_relocs,
|
2015-12-22 16:50:13 +01:00
|
|
|
elf_backend_count_additional_relocs,
|
2014-12-09 05:02:22 +01:00
|
|
|
elf_backend_sort_relocs_p,
|
2001-06-30 05:15:46 +02:00
|
|
|
elf_backend_grok_prstatus,
|
|
|
|
|
elf_backend_grok_psinfo,
|
2007-02-01 06:35:58 +01:00
|
|
|
elf_backend_write_core_note,
|
2011-07-11 17:03:09 +02:00
|
|
|
elf_backend_lookup_section_flags_hook,
|
2001-08-23 17:14:18 +02:00
|
|
|
elf_backend_reloc_type_class,
|
2001-11-15 02:34:12 +01:00
|
|
|
elf_backend_discard_info,
|
|
|
|
|
elf_backend_ignore_discarded_relocs,
|
2005-07-29 04:46:04 +02:00
|
|
|
elf_backend_action_discarded,
|
2005-01-31 21:39:11 +01:00
|
|
|
elf_backend_eh_frame_address_size,
|
2004-02-28 01:35:45 +01:00
|
|
|
elf_backend_can_make_relative_eh_frame,
|
|
|
|
|
elf_backend_can_make_lsda_relative_eh_frame,
|
|
|
|
|
elf_backend_encode_eh_address,
|
2001-11-15 02:34:12 +01:00
|
|
|
elf_backend_write_section,
|
2002-04-04 09:01:27 +02:00
|
|
|
elf_backend_mips_irix_compat,
|
|
|
|
|
elf_backend_mips_rtype_to_howto,
|
1999-05-03 09:29:11 +02:00
|
|
|
elf_backend_ecoff_debug_swap,
|
2003-05-21 02:56:05 +02:00
|
|
|
elf_backend_bfd_from_remote_memory,
|
2004-04-22 16:45:32 +02:00
|
|
|
elf_backend_plt_sym_val,
|
2005-07-25 17:35:37 +02:00
|
|
|
elf_backend_common_definition,
|
|
|
|
|
elf_backend_common_section_index,
|
|
|
|
|
elf_backend_common_section,
|
|
|
|
|
elf_backend_merge_symbol,
|
include/
* bfdlink.h (struct bfd_link_info): Add emit_hash and
emit_gnu_hash bitfields.
include/elf/
* common.h (SHT_GNU_HASH, DT_GNU_HASH): Define.
ld/
* scripttempl/elf.sc: Add .gnu.hash section.
* emultempl/elf32.em (OPTION_HASH_STYLE): Define.
(gld${EMULATION_NAME}_add_options): Register --hash-style option.
(gld${EMULATION_NAME}_handle_option): Handle it.
(gld${EMULATION_NAME}_list_options): Document it.
* ldmain.c (main): Initialize emit_hash and emit_gnu_hash.
* ld.texinfo: Document --hash-style option.
bfd/
* elf.c (_bfd_elf_print_private_bfd_data): Handle DT_GNU_HASH.
(bfd_section_from_shdr, elf_fake_sections, assign_section_numbers):
Handle SHT_GNU_HASH.
(special_sections_g): Include .gnu.hash section.
(bfd_elf_gnu_hash): New function.
* elf-bfd.h (bfd_elf_gnu_hash, _bfd_elf_hash_symbol): New prototypes.
(struct elf_backend_data): Add elf_hash_symbol method.
* elflink.c (_bfd_elf_link_create_dynamic_sections): Create .hash
only if info->emit_hash, create .gnu.hash section if
info->emit_gnu_hash.
(struct collect_gnu_hash_codes): New type.
(elf_collect_gnu_hash_codes, elf_renumber_gnu_hash_syms,
_bfd_elf_hash_symbol): New functions.
(compute_bucket_count): Don't compute HASHCODES array, instead add
that and NSYMS as arguments. Use bed->s->sizeof_hash_entry
instead of bed->s->arch_size / 8. Fix .hash size estimation.
When not optimizing, use the number of hashed symbols rather than
dynsymcount.
(bfd_elf_size_dynamic_sections): Only add DT_HASH if info->emit_hash,
and ADD DT_GNU_HASH if info->emit_gnu_hash.
(bfd_elf_size_dynsym_hash_dynstr): Size .hash only if info->emit_hash,
adjust compute_bucket_count caller. Create and populate .gnu.hash
section if info->emit_gnu_hash.
(elf_link_output_extsym): Only populate .hash section if
finfo->hash_sec != NULL.
(bfd_elf_final_link): Adjust assertion. Handle DT_GNU_HASH.
* elfxx-target.h (elf_backend_hash_symbol): Define if not yet defined.
(elfNN_bed): Add elf_backend_hash_symbol.
* elf64-x86-64.c (elf64_x86_64_hash_symbol): New function.
(elf_backend_hash_symbol): Define.
* elf32-i386.c (elf_i386_hash_symbol): New function.
(elf_backend_hash_symbol): Define.
binutils/
* readelf.c (get_dynamic_type): Handle DT_GNU_HASH.
(get_section_type_name): Handle SHT_GNU_HASH.
(dynamic_info_DT_GNU_HASH): New variable.
(process_dynamic_section): Handle DT_GNU_HASH.
(process_symbol_table): Print also DT_GNU_HASH histogram.
ld/testsuite/
* ld-powerpc/tlsso32.r: Adjust.
* ld-powerpc/tlsso32.d: Adjust.
* ld-powerpc/tlsso32.g: Adjust.
* ld-powerpc/tlsso.r: Adjust.
* ld-powerpc/tlsso.g: Adjust.
* ld-powerpc/tlstocso.g: Adjust.
2006-07-10 23:40:25 +02:00
|
|
|
elf_backend_hash_symbol,
|
2007-04-17 22:09:52 +02:00
|
|
|
elf_backend_is_function_type,
|
2012-01-23 07:16:38 +01:00
|
|
|
elf_backend_maybe_function_sym,
|
2015-03-30 13:40:33 +02:00
|
|
|
elf_backend_get_reloc_section,
|
2016-04-29 10:24:42 +02:00
|
|
|
elf_backend_copy_special_section_fields,
|
2004-07-30 17:37:04 +02:00
|
|
|
elf_backend_link_order_error_handler,
|
2004-04-22 16:45:32 +02:00
|
|
|
elf_backend_relplt_name,
|
1999-05-03 09:29:11 +02:00
|
|
|
ELF_MACHINE_ALT1,
|
|
|
|
|
ELF_MACHINE_ALT2,
|
|
|
|
|
&elf_backend_size_info,
|
2005-07-08 02:26:53 +02:00
|
|
|
elf_backend_special_sections,
|
1999-05-03 09:29:11 +02:00
|
|
|
elf_backend_got_header_size,
|
2008-11-21 01:02:37 +01:00
|
|
|
elf_backend_got_elt_size,
|
bfd:
* elf-attrs.c: New.
* Makefile.am (BFD32_BACKENDS): Add elf-attrs.lo.
(BFD32_BACKENDS_CFILES): Add elf-attrs.c.
(elf-attrs.lo): Generate dependencies.
* Makefile.in: Regenerate.
* configure.in (elf): Add elf-attrs.lo.
* configure: Regenerate.
* elf-bfd.h (struct elf_backend_data): Add entries for object
attributes.
(NUM_KNOWN_OBJ_ATTRIBUTES, obj_attribute, obj_attribute_list,
OBJ_ATTR_PROC, OBJ_ATTR_GNU, OBJ_ATTR_FIRST, OBJ_ATTR_LAST,
Tag_NULL, Tag_File, Tag_Section, Tag_Symbol, Tag_compatibility):
New.
(struct elf_obj_tdata): Add entries for object attributes.
(elf_known_obj_attributes, elf_other_obj_attributes,
elf_known_obj_attributes_proc, elf_other_obj_attributes_proc):
New.
(bfd_elf_obj_attr_size, bfd_elf_set_obj_attr_contents,
bfd_elf_get_obj_attr_int, bfd_elf_add_obj_attr_int,
bfd_elf_add_proc_attr_int, bfd_elf_add_obj_attr_string,
bfd_elf_add_proc_attr_string, bfd_elf_add_obj_attr_compat,
bfd_elf_add_proc_attr_compat, _bfd_elf_attr_strdup,
_bfd_elf_copy_obj_attributes, _bfd_elf_obj_attrs_arg_type,
_bfd_elf_parse_attributes, _bfd_elf_merge_object_attributes): New.
* elf.c (_bfd_elf_copy_private_bfd_data): Copy object attributes.
(bfd_section_from_shdr): Handle attributes sections.
* elflink.c (bfd_elf_final_link): Handle attributes sections.
* elfxx-target.h (elf_backend_obj_attrs_vendor,
elf_backend_obj_attrs_section, elf_backend_obj_attrs_arg_type,
elf_backend_obj_attrs_section_type): New.
(elfNN_bed): Update.
* elf32-arm.c (NUM_KNOWN_ATTRIBUTES, aeabi_attribute,
aeabi_attribute_list): Remove.
(struct elf32_arm_obj_tdata): Remove object attributes fields.
(check_use_blx, bfd_elf32_arm_set_vfp11_fix, using_thumb2,
elf32_arm_copy_private_bfd_data, elf32_arm_merge_eabi_attributes):
Update for new object attributes interfaces.
(uleb128_size, is_default_attr, eabi_attr_size,
elf32_arm_eabi_attr_size, write_uleb128, write_eabi_attribute,
elf32_arm_set_eabi_attr_contents, elf32_arm_bfd_final_link,
elf32_arm_new_eabi_attr, elf32_arm_get_eabi_attr_int,
elf32_arm_add_eabi_attr_int, attr_strdup,
elf32_arm_add_eabi_attr_string, elf32_arm_add_eabi_attr_compat,
copy_eabi_attributes, elf32_arm_parse_attributes): Remove. Moved
to generic code in elf-attrs.c.
(elf32_arm_obj_attrs_arg_type): New.
(elf32_arm_fake_sections): Do not handle .ARM.attributes.
(elf32_arm_section_from_shdr): Do not handle SHT_ARM_ATTRIBUTES.
(bfd_elf32_bfd_final_link): Remove.
(elf_backend_obj_attrs_vendor, elf_backend_obj_attrs_section,
elf_backend_obj_attrs_arg_type,
elf_backend_obj_attrs_section_type): New.
* elf32-bfin.c (bfin_elf_copy_private_bfd_data): Copy object
attributes.
* elf32-frv.c (frv_elf_copy_private_bfd_data): Likewise.
* elf32-iq2000.c (iq2000_elf_copy_private_bfd_data): Likewise.
* elf32-mep.c (mep_elf_copy_private_bfd_data): Likewise.
* elf32-mt.c (mt_elf_copy_private_bfd_data): Likewise.
* elf32-sh.c (sh_elf_copy_private_data): Likewise.
* elf64-sh64.c (sh_elf64_copy_private_data_internal): Likewise.
binutils:
* readelf.c (display_gnu_attribute): New.
(process_arm_specific): Rearrange as process_attributes.
(process_arm_specific): Replace by wrapper of process_attributes.
gas:
* as.c (create_obj_attrs_section): New.
(main): Call create_obj_attrs_section for ELF.
* read.c (s_gnu_attribute, skip_whitespace, skip_past_char,
skip_past_comma, s_vendor_attribute): New.
(potable): Add gnu_attribute for ELF.
* read.h (s_vendor_attribute): Declare.
* config/tc-arm.c (s_arm_eabi_attribute): Replace by wrapper
round s_vendor_attribute.
(aeabi_set_public_attributes): Update for new attributes
interfaces.
(arm_md_end): Remove attributes contents setting now done
generically.
include/elf:
* arm.h (elf32_arm_add_eabi_attr_int,
elf32_arm_add_eabi_attr_string, elf32_arm_add_eabi_attr_compat,
elf32_arm_get_eabi_attr_int, elf32_arm_set_eabi_attr_contents,
elf32_arm_eabi_attr_size, Tag_NULL, Tag_File, Tag_Section,
Tag_Symbol, Tag_compatibility): Remove.
* common.h (SHT_GNU_ATTRIBUTES): Define.
ld:
* emulparams/armelf.sh (OTHER_SECTIONS): Remove .ARM.attributes.
(ATTRS_SECTIONS): Define.
* scripttempl/elf.sc, scripttempl/elf32sh-symbian.sc,
scripttempl/elf_chaos.sc, scripttempl/elfi370.sc,
scripttempl/elfxtensa.sc: Handle ATTRS_SECTIONS.
2007-06-29 18:29:17 +02:00
|
|
|
elf_backend_obj_attrs_vendor,
|
|
|
|
|
elf_backend_obj_attrs_section,
|
|
|
|
|
elf_backend_obj_attrs_arg_type,
|
|
|
|
|
elf_backend_obj_attrs_section_type,
|
2009-01-19 13:14:05 +01:00
|
|
|
elf_backend_obj_attrs_order,
|
2010-11-04 12:35:01 +01:00
|
|
|
elf_backend_obj_attrs_handle_unknown,
|
2017-04-03 17:03:14 +02:00
|
|
|
elf_backend_parse_gnu_properties,
|
|
|
|
|
elf_backend_merge_gnu_properties,
|
|
|
|
|
elf_backend_setup_gnu_properties,
|
Compact EH Support
The specification for the Compact EH format is available at:
https://github.com/MentorEmbedded/cxx-abi/blob/master/MIPSCompactEH.pdf
2015-05-28 Catherine Moore <clm@codesourcery.com>
Bernd Schmidt <bernds@codesourcery.com>
Paul Brook <paul@codesourcery.com>
bfd/
* bfd-in2.h: Regenerated.
* elf-bfd.h (DWARF2_EH_HDR, COMPACT_EH_HDR): Define.
(COMPACT_EH_CANT_UNWIND_OPCODE): Define.
(dwarf_eh_frame_hdr_info): Move dwarf-specific fields from
eh_frame_hdr_info.
(compact_eh_frame_hdr_info): Declare.
(eh_frame_hdr_info): Redeclare with union for dwarf-specific
fields and compact-eh fields.
(elf_backend_data): Add cant_unwind_opcode and compact_eh_encoding.
(bfd_elf_section_data): Add eh_frame_entry_field.
(elf_section_eh_frame_entry): Define.
(bfd_elf_parse_eh_frame_entries): Declare.
(_bfd_elf_parse_eh_frame_entry): Declare.
(_bfd_elf_end_eh_frame_parsing): Declare.
(_bfd_elf_write_section_eh_frame_entry): Declare.
(_bfd_elf_eh_frame_entry_present): Declare.
(_bfd_elf_section_for_symbol): Declare.
* elf-eh-frame.c (bfd_elf_discard_eh_frame_entry): New function.
(bfd_elf_record_eh_frame_entry): New function.
(_bfd_elf_parse_eh_frame_entry): New function.
(_bfd_elf_parse_eh_frame): Update hdr_info field references.
(cmp_eh_frame_hdr): New function.
(add_eh_frame_hdr_terminator): New function.
(_bfd_elf_end_eh_frame_parsing): New function.
(find_merged_cie): Update hdr_info field references.
(_bfd_elf_discard_section_eh_frame): Likewise.
(_bfd_elf_discard_section_eh_frame_hdr): Add Compact EH support.
(_bfd_elf_eh_frame_entry_present): New function.
(_bfd_elf_maybe_strip_eh_frame_hdr): Add Compact EH support.
(_bfd_elf_write_section_eh_frame_entry): New function.
(_bfd_elf_write_section_eh_frame): Update hdr_info field references.
(_bfd_elf_fixup_eh_frame_hdr): New function.
(write_compact_eh_frame_hdr): New function.
(write_dwarf_eh_frame_hdr): New function.
(_bfd_elf_write_section_eh_frame_hdr): Add Compact EH support.
* elflink.c (_bfd_elf_section_for_symbol): New function.
(elf_section_ignore_discarded_relocs): Add Compact EH support.
(elf_link_input_bfd): Likewise.
(bfd_elf_final_link): Likewise.
(_bfd_elf_gc_mark): Likewise.
(bfd_elf_parse_eh_frame_entries): New function.
(bfd_elf_gc_sections): Add Compact EH support.
(bfd_elf_discard_info): Likewise.
* elfxx-mips.c: Include dwarf2.h.
(_bfd_mips_elf_compact_eh_encoding): New function.
(_bfd_mips_elf_cant_unwind_opcode): New function.
* elfxx-mips.h (_bfd_mips_elf_compact_eh_encoding): Declare.
(_bfd_mips_elf_cant_unwind_opcode): Declare.
(elf_backend_compact_eh_encoding): Define.
(elf_backend_cant_unwind_opcode): Define.
* elfxx-target.h (elf_backend_compact_eh_encoding): Provide default.
(elf_backend_cant_unwind_opcode): Provide default.
(elf_backend_data elfNN_bed): Add elf_backend_compact_eh_encoding and
elf_backend_cant_unwind_opcode.
* section.c (SEC_INFO_TYPE_EH_FRAME_ENTRY): Add definition.
gas/
* config/tc-alpha.c (all_cfi_sections): Declare.
(s_alpha_ent): Initialize all_cfi_sections.
(alpha_elf_md_end): Invoke cfi_set_sections.
* config/tc-mips.c (md_apply_fix): Handle BFD_RELOC_NONE.
(s_ehword): Use BFD_RELOC_32_PCREL.
(mips_fix_adjustable): Handle BFD_RELOC_32_PCREL.
(mips_cfi_reloc_for_encoding): New function.
* tc-mips.h (DWARF2_FDE_RELOC_SIZE): Redefine.
(DWARF2_FDE_RELOC_ENCODING): Define.
(tc_cfi_reloc_for_encoding): Define.
(mips_cfi_reloc_for_encoding): Define.
(tc_compact_eh_opcode_stop): Define.
(tc_compact_eh_opcode_pad): Define.
* doc/as.texinfo: Document Compact EH extensions.
* doc/internals.texi: Likewise.
* dw2gencfi.c (EH_FRAME_LINKONCE): Redefine.
(tc_cfi_reloc_for_encoding): Provide default.
(compact_eh): Declare.
(emit_expr_encoded): New function.
(get_debugseg_name): Add Compact EH support.
(alloc_debugseg_item): Likewise.
(cfi_set_sections): New function.
(dot_cfi_fde_data): New function.
(dot_cfi_personality_id): New function.
(dot_cfi_inline_lsda): New function.
(cfi_pseudo_table): Add cfi_fde_data, cfi_personality_id,
and cfi_inline_lsda.
(dot_cfi_personality): Add Compact EH support.
(dot_cfi_lsda): Likewise.
(dot_cfi_sections): Likewise.
(dot_cfi_startproc): Likewise.
(get_cfi_seg): Likewise.
(output_compact_unwind_data): New function.
(output_cfi_insn): Add Compact EH support.
(output_cie): Likewise.
(output_fde): Likewise.
(cfi_finish): Likewise.
(cfi_emit_eh_header): New function.
(output_eh_header): New function.
* dw2gencfi.h (cfi_set_sections): Declare.
(SUPPORT_COMPACT_EH): Define.
(MULTIPLE_FRAME_SECTIONS): Define.
New enumeration to describe the Compact EH header format.
(fde_entry): Add new fields personality_id, eh_header_type, eh_data_size,
eh_data, eh_loc and sections.
(CFI_EMIT_eh_frame, CFI_EMIT_debug_frame, CFI_EMIT_target,
CFI_EMIT_eh_frame_compact): Define.
2015-05-22 Catherine Moore <clm@codesourcery.com>
Bernd Schmidt <bernds@codesourcery.com>
gas/testsuite/
* gas/mips/mips.exp: Run new tests.
* gas/mips/compact-eh-1.s: New file.
* gas/mips/compact-eh-2.s: New file.
* gas/mips/compact-eh-3.s: New file.
* gas/mips/compact-eh-4.s: New file.
* gas/mips/compact-eh-5.s: New file.
* gas/mips/compact-eh-6.s: New file.
* gas/mips/compact-eh-7.s: New file.
* gas/mips/compact-eh-eb-1.d: New file.
* gas/mips/compact-eh-eb-2.d: New file.
* gas/mips/compact-eh-eb-3.d: New file.
* gas/mips/compact-eh-eb-4.d: New file.
* gas/mips/compact-eh-eb-5.d: New file.
* gas/mips/compact-eh-eb-6.d: New file.
* gas/mips/compact-eh-eb-7.d: New file.
* gas/mips/compact-eh-el-1.d: New file.
* gas/mips/compact-eh-el-2.d: New file.
* gas/mips/compact-eh-el-3.d: New file.
* gas/mips/compact-eh-el-4.d: New file.
* gas/mips/compact-eh-el-5.d: New file.
* gas/mips/compact-eh-el-6.d: New file.
* gas/mips/compact-eh-el-7.d: New file.
* gas/mips/compact-eh-err1.l: New file.
* gas/mips/compact-eh-err1.s: New file.
* gas/mips/compact-eh-err2.l: New file.
* gas/mips/compact-eh-err2.s: New file.
2015-05-22 Catherine Moore <clm@codesourcery.com>
include/
* bfdlink.h: Rename eh_frame_hdr to eh_frame_hdr_type.
2015-05-22 Catherine Moore <clm@codesourcery.com>
Paul Brook <paul@codesourcery.com>
ld/
* emultempl/elf32.em (gld${EMULATION_NAME}_after_open):
Add Compact EH support.
* scripttempl/elf.sc: Handle .eh_frame_entry and .gnu_extab
sections.
2015-05-22 Catherine Moore <clm@codesourcery.com>
ld/testsuite/
* ld-mips-elf/compact-eh.ld: New linker script.
* ld-mips-elf/compact-eh1.d: New.
* ld-mips-elf/compact-eh1.s: New.
* ld-mips-elf/compact-eh1a.s: New.
* ld-mips-elf/compact-eh1b.s: New.
* ld-mips-elf/compact-eh2.d: New.
* ld-mips-elf/compact-eh2.s: New.
* ld-mips-elf/compact-eh3.d: New.
* ld-mips-elf/compact-eh3.s: New.
* ld-mips-elf/compact-eh3a.s: New.
* ld-mips-elf/compact-eh4.d: New.
* ld-mips-elf/compact-eh5.d: New.
* ld-mips-elf/compact-eh6.d: New.
* ld-mips-elf/mips-elf.exp: Run new tests.
2015-05-28 23:50:36 +02:00
|
|
|
elf_backend_compact_eh_encoding,
|
|
|
|
|
elf_backend_cant_unwind_opcode,
|
2010-10-21 14:29:02 +02:00
|
|
|
elf_backend_static_tls_alignment,
|
2012-10-23 11:33:56 +02:00
|
|
|
elf_backend_stack_align,
|
2016-04-14 13:04:09 +02:00
|
|
|
elf_backend_strtab_flags,
|
1999-11-18 02:06:45 +01:00
|
|
|
elf_backend_collect,
|
|
|
|
|
elf_backend_type_change_ok,
|
1999-06-02 15:01:04 +02:00
|
|
|
elf_backend_may_use_rel_p,
|
|
|
|
|
elf_backend_may_use_rela_p,
|
|
|
|
|
elf_backend_default_use_rela_p,
|
2008-08-07 22:04:32 +02:00
|
|
|
elf_backend_rela_plts_and_copies_p,
|
2002-05-07 02:16:53 +02:00
|
|
|
elf_backend_rela_normal,
|
2016-11-23 05:37:17 +01:00
|
|
|
elf_backend_dtrel_excludes_plt,
|
1999-11-18 02:06:45 +01:00
|
|
|
elf_backend_sign_extend_vma,
|
1999-05-03 09:29:11 +02:00
|
|
|
elf_backend_want_got_plt,
|
|
|
|
|
elf_backend_plt_readonly,
|
|
|
|
|
elf_backend_want_plt_sym,
|
|
|
|
|
elf_backend_plt_not_loaded,
|
|
|
|
|
elf_backend_plt_alignment,
|
1999-07-14 18:14:49 +02:00
|
|
|
elf_backend_can_gc_sections,
|
2001-09-29 08:21:59 +02:00
|
|
|
elf_backend_can_refcount,
|
2001-11-03 04:18:34 +01:00
|
|
|
elf_backend_want_got_sym,
|
2002-07-23 13:15:06 +02:00
|
|
|
elf_backend_want_dynbss,
|
dynrelro section for read-only dynamic symbols copied into executable
Variables defined in shared libraries are copied into an executable's
.bss section when code in the executable is non-PIC and thus would
require dynamic text relocations to access the variable directly in
the shared library. Recent x86 toolchains also copy variables into
the executable to gain a small speed improvement.
The problem is that if the variable was originally read-only, the copy
in .bss is writable, potentially opening a security hole. This patch
cures that problem by putting the copy in a section that becomes
read-only after ld.so relocation, provided -z relro is in force.
The patch also fixes a microblaze linker segfault on attempting to
use dynamic bss variables.
bfd/
PR ld/20995
* elf-bfd.h (struct elf_link_hash_table): Add sdynrelro and
sreldynrelro.
(struct elf_backend_data): Add want_dynrelro.
* elfxx-target.h (elf_backend_want_dynrelro): Define.
(elfNN_bed): Update initializer.
* elflink.c (_bfd_elf_create_dynamic_sections): Create
sdynrelro and sreldynrelro sections.
* elf32-arm.c (elf32_arm_adjust_dynamic_symbol): Place variables
copied into the executable from read-only sections into sdynrelro.
(elf32_arm_size_dynamic_sections): Handle sdynrelro.
(elf32_arm_finish_dynamic_symbol): Select sreldynrelro for
dynamic relocs in sdynrelro.
(elf_backend_want_dynrelro): Define.
* elf32-hppa.c (elf32_hppa_adjust_dynamic_symbol)
(elf32_hppa_size_dynamic_sections, elf32_hppa_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf32-i386.c (elf_i386_adjust_dynamic_symbol)
(elf_i386_size_dynamic_sections, elf_i386_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf32-metag.c (elf_metag_adjust_dynamic_symbol)
(elf_metag_size_dynamic_sections, elf_metag_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf32-microblaze.c (microblaze_elf_adjust_dynamic_symbol)
(microblaze_elf_size_dynamic_sections)
(microblaze_elf_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf32-nios2.c (nios2_elf32_finish_dynamic_symbol)
(nios2_elf32_adjust_dynamic_symbol)
(nios2_elf32_size_dynamic_sections)
(elf_backend_want_dynrelro): As above.
* elf32-or1k.c (or1k_elf_finish_dynamic_symbol)
(or1k_elf_adjust_dynamic_symbol, or1k_elf_size_dynamic_sections)
(elf_backend_want_dynrelro): As above.
* elf32-ppc.c (ppc_elf_adjust_dynamic_symbol)
(ppc_elf_size_dynamic_sections, ppc_elf_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf32-s390.c (elf_s390_adjust_dynamic_symbol)
(elf_s390_size_dynamic_sections, elf_s390_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf32-tic6x.c (elf32_tic6x_adjust_dynamic_symbol)
(elf32_tic6x_size_dynamic_sections)
(elf32_tic6x_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf32-tilepro.c (tilepro_elf_adjust_dynamic_symbol)
(tilepro_elf_size_dynamic_sections)
(tilepro_elf_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf64-ppc.c (ppc64_elf_adjust_dynamic_symbol)
(ppc64_elf_size_dynamic_sections, ppc64_elf_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf64-s390.c (elf_s390_adjust_dynamic_symbol)
(elf_s390_size_dynamic_sections, elf_s390_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elf64-x86-64.c (elf_x86_64_adjust_dynamic_symbol)
(elf_x86_64_size_dynamic_sections)
(elf_x86_64_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elfnn-aarch64.c (elfNN_aarch64_adjust_dynamic_symbol)
(elfNN_aarch64_size_dynamic_sections)
(elfNN_aarch64_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elfnn-riscv.c (riscv_elf_adjust_dynamic_symbol)
(riscv_elf_size_dynamic_sections, riscv_elf_finish_dynamic_symbol)
(elf_backend_want_dynrelro): As above.
* elfxx-mips.c (_bfd_mips_elf_adjust_dynamic_symbol)
(_bfd_mips_elf_size_dynamic_sections)
(_bfd_mips_vxworks_finish_dynamic_symbol): As above.
* elfxx-sparc.c (_bfd_sparc_elf_adjust_dynamic_symbol)
(_bfd_sparc_elf_size_dynamic_sections)
(_bfd_sparc_elf_finish_dynamic_symbol): As above.
* elfxx-tilegx.c (tilegx_elf_adjust_dynamic_symbol)
(tilegx_elf_size_dynamic_sections)
(tilegx_elf_finish_dynamic_symbol): As above.
* elf32-mips.c (elf_backend_want_dynrelro): Define.
* elf64-mips.c (elf_backend_want_dynrelro): Define.
* elf32-sparc.c (elf_backend_want_dynrelro): Define.
* elf64-sparc.c (elf_backend_want_dynrelro): Define.
* elf32-tilegx.c (elf_backend_want_dynrelro): Define.
* elf64-tilegx.c (elf_backend_want_dynrelro): Define.
* elf32-microblaze.c (microblaze_elf_adjust_dynamic_symbol): Tidy.
(microblaze_elf_size_dynamic_sections): Handle sdynbss.
* elf32-nios2.c (nios2_elf32_size_dynamic_sections): Make use
of linker shortcuts to dynamic sections rather than comparing
names. Correctly set "got" flag.
ld/
PR ld/20995
* testsuite/ld-arm/farcall-mixed-app-v5.d: Update to suit changed
stub hash table traversal caused by section id increment. Accept
the previous output too.
* testsuite/ld-arm/farcall-mixed-app.d: Likewise.
* testsuite/ld-arm/farcall-mixed-lib-v4t.d: Likewise.
* testsuite/ld-arm/farcall-mixed-lib.d: Likewise.
* testsuite/ld-elf/pr20995a.s, * testsuite/ld-elf/pr20995b.s,
* testsuite/ld-elf/pr20995.r: New test.
* testsuite/ld-elf/elf.exp: Run it.
2016-12-25 15:00:45 +01:00
|
|
|
elf_backend_want_dynrelro,
|
2007-02-19 13:44:18 +01:00
|
|
|
elf_backend_want_p_paddr_set_to_zero,
|
2017-02-14 01:15:51 +01:00
|
|
|
elf_backend_no_page_alias,
|
2014-02-08 02:56:53 +01:00
|
|
|
elf_backend_default_execstack,
|
2015-03-05 15:34:39 +01:00
|
|
|
elf_backend_caches_rawsize,
|
2017-04-24 21:15:31 +02:00
|
|
|
elf_backend_extern_protected_data,
|
2020-10-13 23:22:48 +02:00
|
|
|
elf_backend_always_renumber_dynsyms,
|
|
|
|
|
elf_backend_r_none_info
|
1999-05-03 09:29:11 +02:00
|
|
|
};
|
|
|
|
|
|
1999-07-19 16:55:16 +02:00
|
|
|
/* Forward declaration for use when initialising alternative_target field. */
|
|
|
|
|
#ifdef TARGET_LITTLE_SYM
|
|
|
|
|
extern const bfd_target TARGET_LITTLE_SYM;
|
|
|
|
|
#endif
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifdef TARGET_BIG_SYM
|
|
|
|
|
const bfd_target TARGET_BIG_SYM =
|
|
|
|
|
{
|
|
|
|
|
/* name: identify kind of target */
|
|
|
|
|
TARGET_BIG_NAME,
|
|
|
|
|
|
|
|
|
|
/* flavour: general indication about file */
|
|
|
|
|
bfd_target_elf_flavour,
|
|
|
|
|
|
|
|
|
|
/* byteorder: data is big endian */
|
|
|
|
|
BFD_ENDIAN_BIG,
|
|
|
|
|
|
|
|
|
|
/* header_byteorder: header is also big endian */
|
|
|
|
|
BFD_ENDIAN_BIG,
|
|
|
|
|
|
|
|
|
|
/* object_flags: mask of all file flags */
|
2001-09-28 23:47:25 +02:00
|
|
|
(HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
|
2015-04-09 19:56:28 +02:00
|
|
|
| DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
|
Properly implement STT_COMMON
The BFD configure option, --enable-elf-stt-common, can't be to used to
verify STT_COMMON implementation with the normal binutils build. Instead,
this patch removes it from BFD. It adds --elf-stt-common=[no|yes] to ELF
assembler/objcopy and adds -z common/-z nocommon to ld.
A configure option, --enable-elf-stt-common, is added to gas to specify
whether ELF assembler should generate common symbols with the STT_COMMON
type by default.
Since BSF_KEEP_G is never used, it is renamed to BSF_ELF_COMMON for ELF
common symbols.
bfd/
PR ld/19645
* bfd.c (bfd): Change flags to 20 bits.
(BFD_CONVERT_ELF_COMMON): New.
(BFD_USE_ELF_STT_COMMON): Likewise.
(BFD_FLAGS_SAVED): Add BFD_CONVERT_ELF_COMMON and
BFD_USE_ELF_STT_COMMON.
(BFD_FLAGS_FOR_BFD_USE_MASK): Likewise.
* configure.ac: Remove --enable-elf-stt-common.
* elf.c (swap_out_syms): Choose STT_COMMON or STT_OBJECT for
common symbol depending on BFD_CONVERT_ELF_COMMON and
BFD_USE_ELF_STT_COMMON.
* elfcode.h (elf_slurp_symbol_table): Set BSF_ELF_COMMON for
STT_COMMON.
* elflink.c (bfd_elf_link_mark_dynamic_symbol): Also check
STT_COMMON.
(elf_link_convert_common_type): New function.
(elf_link_output_extsym): Choose STT_COMMON or STT_OBJECT for
common symbol depending on BFD_CONVERT_ELF_COMMON and
BFD_USE_ELF_STT_COMMON. Set sym.st_info after sym.st_shndx.
* elfxx-target.h (TARGET_BIG_SYM): Add BFD_CONVERT_ELF_COMMON
and BFD_USE_ELF_STT_COMMON to object_flags.
(TARGET_LITTLE_SYM): Likewise.
* syms.c (BSF_KEEP_G): Renamed to ...
(BSF_ELF_COMMON): This.
* bfd-in2.h: Regenerated.
* config.in: Likewise.
* configure: Likewise.
binutils/
PR ld/19645
* NEWS: Mention --elf-stt-common= for objcopy.
* doc/binutils.texi: Document --elf-stt-common= for objcopy.
* objcopy.c (do_elf_stt_common): New.
(command_line_switch): Add OPTION_ELF_STT_COMMON.
(copy_options): Add --elf-stt-common=.
(copy_usage): Add --elf-stt-common=.
(copy_object): Also check do_elf_stt_common for ELF targets.
(copy_file): Handle do_elf_stt_common.
(copy_main): Handle OPTION_ELF_STT_COMMON.
* readelf.c (apply_relocations): Support STT_COMMON.
* testsuite/binutils-all/common-1.s: New file.
* testsuite/binutils-all/common-1a.d: Likewise.
* testsuite/binutils-all/common-1b.d: Likewise.
* testsuite/binutils-all/common-1c.d: Likewise.
* testsuite/binutils-all/common-1d.d: Likewise.
* testsuite/binutils-all/common-1e.d: Likewise.
* testsuite/binutils-all/common-1f.d: Likewise.
* testsuite/binutils-all/common-2.s: Likewise.
* testsuite/binutils-all/common-2a.d: Likewise.
* testsuite/binutils-all/common-2b.d: Likewise.
* testsuite/binutils-all/common-2c.d: Likewise.
* testsuite/binutils-all/common-2d.d: Likewise.
* testsuite/binutils-all/common-2e.d: Likewise.
* testsuite/binutils-all/common-2f.d: Likewise.
* testsuite/binutils-all/objcopy.exp
(objcopy_test_elf_common_symbols): New proc.
Run objcopy_test_elf_common_symbols for ELF targets
gas/
PR ld/19645
* NEWS: Mention --enable-elf-stt-common and --elf-stt-common=
for ELF assemblers.
* as.c (flag_use_elf_stt_common): New.
(show_usage): Add --elf-stt-common=.
(option_values): Add OPTION_ELF_STT_COMMON.
(std_longopts): Add --elf-stt-common=.
(parse_args): Handle --elf-stt-common=.
* as.h (flag_use_elf_stt_common): New.
* config.in: Regenerated.
* configure: Likewise.
* configure.ac: Add --enable-elf-stt-common and define
DEFAULT_GENERATE_ELF_STT_COMMON.
* gas/write.c (write_object_file): Set BFD_CONVERT_ELF_COMMON
and BFD_USE_ELF_STT_COMMON if flag_use_elf_stt_common is set.
* doc/as.texinfo: Document --elf-stt-common=.
* testsuite/gas/elf/common3.s: New file.
* testsuite/gas/elf/common3a.d: Likewise.
* testsuite/gas/elf/common3b.d: Likewise.
* testsuite/gas/elf/common4.s: Likewise.
* testsuite/gas/elf/common4a.d: Likewise.
* testsuite/gas/elf/common4b.d: Likewise.
* testsuite/gas/i386/dw2-compress-3b.d: Likewise.
* testsuite/gas/i386/dw2-compressed-3b.d: Likewise.
* testsuite/gas/elf/elf.exp: Run common3a, common3b, common4a
and common4b.
* testsuite/gas/i386/dw2-compress-3.d: Renamed to ...
* testsuite/gas/i386/dw2-compress-3a.d: This. Pass
--elf-stt-common=no to as.
* testsuite/gas/i386/dw2-compressed-3.d: Renamed to ...
* testsuite/gas/i386/dw2-compressed-3a.d: This. Pass
--elf-stt-common=no to as.
* testsuite/gas/i386/i386.exp: Run dw2-compress-3a,
dw2-compress-3b, dw2-compressed-3a and dw2-compressed-3b instead
of dw2-compress-3 and dw2-compressed-3.
include/
PR ld/19645
* bfdlink.h (bfd_link_elf_stt_common): New enum.
(bfd_link_info): Add elf_stt_common.
ld/
PR ld/19645
* NEWS: Mention -z common/-z nocommon for ELF targets.
* emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Handle
-z common and -z nocommon.
* ld.texinfo: Document -z common/-z nocommon.
* lexsup.c (elf_shlib_list_options): Add -z common/-z nocommon.
* testsuite/ld-elf/tls_common.exp: Test --elf-stt-common=no and
--elf-stt-common=yes with assembler.
* testsuite/ld-elfcomm/common-1.s: New file.
* testsuite/ld-elfcomm/common-1a.d: Likewise.
* testsuite/ld-elfcomm/common-1b.d: Likewise.
* testsuite/ld-elfcomm/common-1c.d: Likewise.
* testsuite/ld-elfcomm/common-1d.d: Likewise.
* testsuite/ld-elfcomm/common-1e.d: Likewise.
* testsuite/ld-elfcomm/common-1f.d: Likewise.
* testsuite/ld-elfcomm/common-2.s: Likewise.
* testsuite/ld-elfcomm/common-2a.d: Likewise.
* testsuite/ld-elfcomm/common-2b.d: Likewise.
* testsuite/ld-elfcomm/common-2c.d: Likewise.
* testsuite/ld-elfcomm/common-2d.d: Likewise.
* testsuite/ld-elfcomm/common-2e.d: Likewise.
* testsuite/ld-elfcomm/common-2f.d: Likewise.
* testsuite/ld-elfcomm/common-3a.rd: Likewise.
* testsuite/ld-elfcomm/common-3b.rd: Likewise.
* testsuite/ld-i386/pr19645.d: Likewise.
* testsuite/ld-i386/pr19645.s: Likewise.
* testsuite/ld-x86-64/largecomm-1.s: Likewise.
* testsuite/ld-x86-64/largecomm-1a.d: Likewise.
* testsuite/ld-x86-64/largecomm-1b.d: Likewise.
* testsuite/ld-x86-64/largecomm-1c.d: Likewise.
* testsuite/ld-x86-64/largecomm-1d.d: Likewise.
* testsuite/ld-x86-64/largecomm-1e.d: Likewise.
* testsuite/ld-x86-64/largecomm-1f.d: Likewise.
* testsuite/ld-x86-64/pr19645.d: Likewise.
* testsuite/ld-x86-64/pr19645.s: Likewise.
* testsuite/ld-elfcomm/elfcomm.exp: Test --elf-stt-common=yes
with assembler.
(assembler_generates_commons): Removed.
Run -z common/-z nocommon tests. Run *.d tests.
* testsuite/ld-i386/i386.exp: Run pr19645.
* testsuite/ld-x86-64/x86-64.exp: Likewise.
* testsuite/ld-x86-64/dwarfreloc.exp: Test --elf-stt-common with
assembler. Test STT_COMMON with readelf.
2016-02-22 18:18:52 +01:00
|
|
|
| BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
/* section_flags: mask of all section flags */
|
2001-09-28 23:47:25 +02:00
|
|
|
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
|
|
|
|
|
| SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
|
2005-02-22 01:50:07 +01:00
|
|
|
| SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
/* leading_symbol_char: is the first char of a user symbol
|
|
|
|
|
predictable, and if so what is it */
|
|
|
|
|
elf_symbol_leading_char,
|
|
|
|
|
|
|
|
|
|
/* ar_pad_char: pad character for filenames within an archive header
|
|
|
|
|
FIXME: this really has nothing to do with ELF, this is a characteristic
|
|
|
|
|
of the archiver and/or os and should be independently tunable */
|
|
|
|
|
'/',
|
|
|
|
|
|
|
|
|
|
/* ar_max_namelen: maximum number of characters in an archive header
|
|
|
|
|
FIXME: this really has nothing to do with ELF, this is a characteristic
|
2002-03-14 11:57:52 +01:00
|
|
|
of the archiver and should be independently tunable. The System V ABI,
|
|
|
|
|
Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
|
|
|
|
|
15,
|
1999-05-03 09:29:11 +02:00
|
|
|
|
* targets.c (bfd_target): Make ar_max_namelen an unsigned char.
Add match_priority.
* configure.in: Bump bfd version.
* elfcode.h (elf_object_p): Delete hacks preventing match of
EM_NONE and ELFOSABI_NONE targets when a better match exists.
* elfxx-target.h (elf_match_priority): Define and use.
* format.c (bfd_check_format_matches): Use target match_priority
to choose best of multiple matching targets. In cases with multiple
matches rerun _bfd_check_format if we don't choose the last match.
* aout-adobe.c, * aout-arm.c, * aout-target.h, * aout-tic30.c,
* binary.c, * bout.c, * coff-alpha.c, * coff-i386.c, * coff-i860.c,
* coff-i960.c, * coff-ia64.c, * coff-mips.c, * coff-or32.c,
* coff-ppc.c, * coff-rs6000.c, * coff-sh.c, * coff-tic30.c,
* coff-tic54x.c, * coff-x86_64.c, * coff64-rs6000.c, * coffcode.h,
* i386msdos.c, * i386os9k.c, * ieee.c, * ihex.c, * mach-o-target.c,
* mipsbsd.c, * mmo.c, * nlm-target.h, * oasys.c, * pdp11.c,
* pe-mips.c, * pef.c, * plugin.c, * ppcboot.c, * som.c, * srec.c,
* tekhex.c, * trad-core.c, * verilog.c, * versados.c, * vms-alpha.c,
* vms-lib.c, * xsym.c: Init match_priority field.
* configure: Regenerate.
* bfd-in2.h: Regenerate.
2011-06-06 03:26:05 +02:00
|
|
|
elf_match_priority,
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
/* Routines to byte-swap various sized integers from the data sections */
|
|
|
|
|
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
|
|
|
|
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
|
|
|
|
bfd_getb16, bfd_getb_signed_16, bfd_putb16,
|
|
|
|
|
|
|
|
|
|
/* Routines to byte-swap various sized integers from the file headers */
|
|
|
|
|
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
|
|
|
|
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
|
|
|
|
bfd_getb16, bfd_getb_signed_16, bfd_putb16,
|
|
|
|
|
|
|
|
|
|
/* bfd_check_format: check the format of a file being read */
|
|
|
|
|
{ _bfd_dummy_target, /* unknown format */
|
|
|
|
|
bfd_elfNN_object_p, /* assembler/linker output (object file) */
|
|
|
|
|
bfd_elfNN_archive_p, /* an archive */
|
|
|
|
|
bfd_elfNN_core_file_p /* a core file */
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
/* bfd_set_format: set the format of a file being written */
|
|
|
|
|
{ bfd_false,
|
|
|
|
|
bfd_elfNN_mkobject,
|
|
|
|
|
bfd_elfNN_mkarchive,
|
|
|
|
|
bfd_elfNN_mkcorefile
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
/* bfd_write_contents: write cached information into a file being written */
|
|
|
|
|
{ bfd_false,
|
|
|
|
|
bfd_elfNN_write_object_contents,
|
|
|
|
|
bfd_elfNN_write_archive_contents,
|
|
|
|
|
bfd_elfNN_write_corefile_contents,
|
|
|
|
|
},
|
|
|
|
|
|
2003-07-31 16:38:15 +02:00
|
|
|
BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
|
|
|
|
|
BFD_JUMP_TABLE_COPY (bfd_elfNN),
|
|
|
|
|
BFD_JUMP_TABLE_CORE (bfd_elfNN),
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifdef bfd_elfNN_archive_functions
|
2003-07-31 16:38:15 +02:00
|
|
|
BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
|
2016-05-25 18:46:47 +02:00
|
|
|
#elif defined USE_64_BIT_ARCHIVE
|
|
|
|
|
BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit),
|
1999-05-03 09:29:11 +02:00
|
|
|
#else
|
2003-07-31 16:38:15 +02:00
|
|
|
BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
|
1999-05-03 09:29:11 +02:00
|
|
|
#endif
|
2003-07-31 16:38:15 +02:00
|
|
|
BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
|
|
|
|
|
BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
|
|
|
|
|
BFD_JUMP_TABLE_WRITE (bfd_elfNN),
|
|
|
|
|
BFD_JUMP_TABLE_LINK (bfd_elfNN),
|
|
|
|
|
BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
|
1999-05-03 09:29:11 +02:00
|
|
|
|
1999-07-19 16:55:16 +02:00
|
|
|
/* Alternative endian target. */
|
|
|
|
|
#ifdef TARGET_LITTLE_SYM
|
|
|
|
|
& TARGET_LITTLE_SYM,
|
|
|
|
|
#else
|
|
|
|
|
NULL,
|
|
|
|
|
#endif
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
/* backend_data: */
|
2003-08-07 10:38:11 +02:00
|
|
|
&elfNN_bed
|
1999-05-03 09:29:11 +02:00
|
|
|
};
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef TARGET_LITTLE_SYM
|
|
|
|
|
const bfd_target TARGET_LITTLE_SYM =
|
|
|
|
|
{
|
|
|
|
|
/* name: identify kind of target */
|
|
|
|
|
TARGET_LITTLE_NAME,
|
|
|
|
|
|
|
|
|
|
/* flavour: general indication about file */
|
|
|
|
|
bfd_target_elf_flavour,
|
|
|
|
|
|
|
|
|
|
/* byteorder: data is little endian */
|
|
|
|
|
BFD_ENDIAN_LITTLE,
|
|
|
|
|
|
|
|
|
|
/* header_byteorder: header is also little endian */
|
|
|
|
|
BFD_ENDIAN_LITTLE,
|
|
|
|
|
|
|
|
|
|
/* object_flags: mask of all file flags */
|
2001-09-28 23:47:25 +02:00
|
|
|
(HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
|
2015-04-09 19:56:28 +02:00
|
|
|
| DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
|
Properly implement STT_COMMON
The BFD configure option, --enable-elf-stt-common, can't be to used to
verify STT_COMMON implementation with the normal binutils build. Instead,
this patch removes it from BFD. It adds --elf-stt-common=[no|yes] to ELF
assembler/objcopy and adds -z common/-z nocommon to ld.
A configure option, --enable-elf-stt-common, is added to gas to specify
whether ELF assembler should generate common symbols with the STT_COMMON
type by default.
Since BSF_KEEP_G is never used, it is renamed to BSF_ELF_COMMON for ELF
common symbols.
bfd/
PR ld/19645
* bfd.c (bfd): Change flags to 20 bits.
(BFD_CONVERT_ELF_COMMON): New.
(BFD_USE_ELF_STT_COMMON): Likewise.
(BFD_FLAGS_SAVED): Add BFD_CONVERT_ELF_COMMON and
BFD_USE_ELF_STT_COMMON.
(BFD_FLAGS_FOR_BFD_USE_MASK): Likewise.
* configure.ac: Remove --enable-elf-stt-common.
* elf.c (swap_out_syms): Choose STT_COMMON or STT_OBJECT for
common symbol depending on BFD_CONVERT_ELF_COMMON and
BFD_USE_ELF_STT_COMMON.
* elfcode.h (elf_slurp_symbol_table): Set BSF_ELF_COMMON for
STT_COMMON.
* elflink.c (bfd_elf_link_mark_dynamic_symbol): Also check
STT_COMMON.
(elf_link_convert_common_type): New function.
(elf_link_output_extsym): Choose STT_COMMON or STT_OBJECT for
common symbol depending on BFD_CONVERT_ELF_COMMON and
BFD_USE_ELF_STT_COMMON. Set sym.st_info after sym.st_shndx.
* elfxx-target.h (TARGET_BIG_SYM): Add BFD_CONVERT_ELF_COMMON
and BFD_USE_ELF_STT_COMMON to object_flags.
(TARGET_LITTLE_SYM): Likewise.
* syms.c (BSF_KEEP_G): Renamed to ...
(BSF_ELF_COMMON): This.
* bfd-in2.h: Regenerated.
* config.in: Likewise.
* configure: Likewise.
binutils/
PR ld/19645
* NEWS: Mention --elf-stt-common= for objcopy.
* doc/binutils.texi: Document --elf-stt-common= for objcopy.
* objcopy.c (do_elf_stt_common): New.
(command_line_switch): Add OPTION_ELF_STT_COMMON.
(copy_options): Add --elf-stt-common=.
(copy_usage): Add --elf-stt-common=.
(copy_object): Also check do_elf_stt_common for ELF targets.
(copy_file): Handle do_elf_stt_common.
(copy_main): Handle OPTION_ELF_STT_COMMON.
* readelf.c (apply_relocations): Support STT_COMMON.
* testsuite/binutils-all/common-1.s: New file.
* testsuite/binutils-all/common-1a.d: Likewise.
* testsuite/binutils-all/common-1b.d: Likewise.
* testsuite/binutils-all/common-1c.d: Likewise.
* testsuite/binutils-all/common-1d.d: Likewise.
* testsuite/binutils-all/common-1e.d: Likewise.
* testsuite/binutils-all/common-1f.d: Likewise.
* testsuite/binutils-all/common-2.s: Likewise.
* testsuite/binutils-all/common-2a.d: Likewise.
* testsuite/binutils-all/common-2b.d: Likewise.
* testsuite/binutils-all/common-2c.d: Likewise.
* testsuite/binutils-all/common-2d.d: Likewise.
* testsuite/binutils-all/common-2e.d: Likewise.
* testsuite/binutils-all/common-2f.d: Likewise.
* testsuite/binutils-all/objcopy.exp
(objcopy_test_elf_common_symbols): New proc.
Run objcopy_test_elf_common_symbols for ELF targets
gas/
PR ld/19645
* NEWS: Mention --enable-elf-stt-common and --elf-stt-common=
for ELF assemblers.
* as.c (flag_use_elf_stt_common): New.
(show_usage): Add --elf-stt-common=.
(option_values): Add OPTION_ELF_STT_COMMON.
(std_longopts): Add --elf-stt-common=.
(parse_args): Handle --elf-stt-common=.
* as.h (flag_use_elf_stt_common): New.
* config.in: Regenerated.
* configure: Likewise.
* configure.ac: Add --enable-elf-stt-common and define
DEFAULT_GENERATE_ELF_STT_COMMON.
* gas/write.c (write_object_file): Set BFD_CONVERT_ELF_COMMON
and BFD_USE_ELF_STT_COMMON if flag_use_elf_stt_common is set.
* doc/as.texinfo: Document --elf-stt-common=.
* testsuite/gas/elf/common3.s: New file.
* testsuite/gas/elf/common3a.d: Likewise.
* testsuite/gas/elf/common3b.d: Likewise.
* testsuite/gas/elf/common4.s: Likewise.
* testsuite/gas/elf/common4a.d: Likewise.
* testsuite/gas/elf/common4b.d: Likewise.
* testsuite/gas/i386/dw2-compress-3b.d: Likewise.
* testsuite/gas/i386/dw2-compressed-3b.d: Likewise.
* testsuite/gas/elf/elf.exp: Run common3a, common3b, common4a
and common4b.
* testsuite/gas/i386/dw2-compress-3.d: Renamed to ...
* testsuite/gas/i386/dw2-compress-3a.d: This. Pass
--elf-stt-common=no to as.
* testsuite/gas/i386/dw2-compressed-3.d: Renamed to ...
* testsuite/gas/i386/dw2-compressed-3a.d: This. Pass
--elf-stt-common=no to as.
* testsuite/gas/i386/i386.exp: Run dw2-compress-3a,
dw2-compress-3b, dw2-compressed-3a and dw2-compressed-3b instead
of dw2-compress-3 and dw2-compressed-3.
include/
PR ld/19645
* bfdlink.h (bfd_link_elf_stt_common): New enum.
(bfd_link_info): Add elf_stt_common.
ld/
PR ld/19645
* NEWS: Mention -z common/-z nocommon for ELF targets.
* emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Handle
-z common and -z nocommon.
* ld.texinfo: Document -z common/-z nocommon.
* lexsup.c (elf_shlib_list_options): Add -z common/-z nocommon.
* testsuite/ld-elf/tls_common.exp: Test --elf-stt-common=no and
--elf-stt-common=yes with assembler.
* testsuite/ld-elfcomm/common-1.s: New file.
* testsuite/ld-elfcomm/common-1a.d: Likewise.
* testsuite/ld-elfcomm/common-1b.d: Likewise.
* testsuite/ld-elfcomm/common-1c.d: Likewise.
* testsuite/ld-elfcomm/common-1d.d: Likewise.
* testsuite/ld-elfcomm/common-1e.d: Likewise.
* testsuite/ld-elfcomm/common-1f.d: Likewise.
* testsuite/ld-elfcomm/common-2.s: Likewise.
* testsuite/ld-elfcomm/common-2a.d: Likewise.
* testsuite/ld-elfcomm/common-2b.d: Likewise.
* testsuite/ld-elfcomm/common-2c.d: Likewise.
* testsuite/ld-elfcomm/common-2d.d: Likewise.
* testsuite/ld-elfcomm/common-2e.d: Likewise.
* testsuite/ld-elfcomm/common-2f.d: Likewise.
* testsuite/ld-elfcomm/common-3a.rd: Likewise.
* testsuite/ld-elfcomm/common-3b.rd: Likewise.
* testsuite/ld-i386/pr19645.d: Likewise.
* testsuite/ld-i386/pr19645.s: Likewise.
* testsuite/ld-x86-64/largecomm-1.s: Likewise.
* testsuite/ld-x86-64/largecomm-1a.d: Likewise.
* testsuite/ld-x86-64/largecomm-1b.d: Likewise.
* testsuite/ld-x86-64/largecomm-1c.d: Likewise.
* testsuite/ld-x86-64/largecomm-1d.d: Likewise.
* testsuite/ld-x86-64/largecomm-1e.d: Likewise.
* testsuite/ld-x86-64/largecomm-1f.d: Likewise.
* testsuite/ld-x86-64/pr19645.d: Likewise.
* testsuite/ld-x86-64/pr19645.s: Likewise.
* testsuite/ld-elfcomm/elfcomm.exp: Test --elf-stt-common=yes
with assembler.
(assembler_generates_commons): Removed.
Run -z common/-z nocommon tests. Run *.d tests.
* testsuite/ld-i386/i386.exp: Run pr19645.
* testsuite/ld-x86-64/x86-64.exp: Likewise.
* testsuite/ld-x86-64/dwarfreloc.exp: Test --elf-stt-common with
assembler. Test STT_COMMON with readelf.
2016-02-22 18:18:52 +01:00
|
|
|
| BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
/* section_flags: mask of all section flags */
|
2001-09-28 23:47:25 +02:00
|
|
|
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
|
|
|
|
|
| SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
|
2005-02-22 01:50:07 +01:00
|
|
|
| SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
/* leading_symbol_char: is the first char of a user symbol
|
|
|
|
|
predictable, and if so what is it */
|
|
|
|
|
elf_symbol_leading_char,
|
|
|
|
|
|
|
|
|
|
/* ar_pad_char: pad character for filenames within an archive header
|
|
|
|
|
FIXME: this really has nothing to do with ELF, this is a characteristic
|
|
|
|
|
of the archiver and/or os and should be independently tunable */
|
|
|
|
|
'/',
|
|
|
|
|
|
|
|
|
|
/* ar_max_namelen: maximum number of characters in an archive header
|
|
|
|
|
FIXME: this really has nothing to do with ELF, this is a characteristic
|
2002-03-14 11:57:52 +01:00
|
|
|
of the archiver and should be independently tunable. The System V ABI,
|
|
|
|
|
Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
|
|
|
|
|
15,
|
1999-05-03 09:29:11 +02:00
|
|
|
|
* targets.c (bfd_target): Make ar_max_namelen an unsigned char.
Add match_priority.
* configure.in: Bump bfd version.
* elfcode.h (elf_object_p): Delete hacks preventing match of
EM_NONE and ELFOSABI_NONE targets when a better match exists.
* elfxx-target.h (elf_match_priority): Define and use.
* format.c (bfd_check_format_matches): Use target match_priority
to choose best of multiple matching targets. In cases with multiple
matches rerun _bfd_check_format if we don't choose the last match.
* aout-adobe.c, * aout-arm.c, * aout-target.h, * aout-tic30.c,
* binary.c, * bout.c, * coff-alpha.c, * coff-i386.c, * coff-i860.c,
* coff-i960.c, * coff-ia64.c, * coff-mips.c, * coff-or32.c,
* coff-ppc.c, * coff-rs6000.c, * coff-sh.c, * coff-tic30.c,
* coff-tic54x.c, * coff-x86_64.c, * coff64-rs6000.c, * coffcode.h,
* i386msdos.c, * i386os9k.c, * ieee.c, * ihex.c, * mach-o-target.c,
* mipsbsd.c, * mmo.c, * nlm-target.h, * oasys.c, * pdp11.c,
* pe-mips.c, * pef.c, * plugin.c, * ppcboot.c, * som.c, * srec.c,
* tekhex.c, * trad-core.c, * verilog.c, * versados.c, * vms-alpha.c,
* vms-lib.c, * xsym.c: Init match_priority field.
* configure: Regenerate.
* bfd-in2.h: Regenerate.
2011-06-06 03:26:05 +02:00
|
|
|
elf_match_priority,
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
/* Routines to byte-swap various sized integers from the data sections */
|
|
|
|
|
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
|
|
|
|
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
|
|
|
|
bfd_getl16, bfd_getl_signed_16, bfd_putl16,
|
|
|
|
|
|
|
|
|
|
/* Routines to byte-swap various sized integers from the file headers */
|
|
|
|
|
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
|
|
|
|
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
|
|
|
|
bfd_getl16, bfd_getl_signed_16, bfd_putl16,
|
|
|
|
|
|
|
|
|
|
/* bfd_check_format: check the format of a file being read */
|
|
|
|
|
{ _bfd_dummy_target, /* unknown format */
|
|
|
|
|
bfd_elfNN_object_p, /* assembler/linker output (object file) */
|
|
|
|
|
bfd_elfNN_archive_p, /* an archive */
|
|
|
|
|
bfd_elfNN_core_file_p /* a core file */
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
/* bfd_set_format: set the format of a file being written */
|
|
|
|
|
{ bfd_false,
|
|
|
|
|
bfd_elfNN_mkobject,
|
|
|
|
|
bfd_elfNN_mkarchive,
|
|
|
|
|
bfd_elfNN_mkcorefile
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
/* bfd_write_contents: write cached information into a file being written */
|
|
|
|
|
{ bfd_false,
|
|
|
|
|
bfd_elfNN_write_object_contents,
|
|
|
|
|
bfd_elfNN_write_archive_contents,
|
|
|
|
|
bfd_elfNN_write_corefile_contents,
|
|
|
|
|
},
|
|
|
|
|
|
2003-07-31 16:38:15 +02:00
|
|
|
BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
|
|
|
|
|
BFD_JUMP_TABLE_COPY (bfd_elfNN),
|
|
|
|
|
BFD_JUMP_TABLE_CORE (bfd_elfNN),
|
1999-05-03 09:29:11 +02:00
|
|
|
#ifdef bfd_elfNN_archive_functions
|
2003-07-31 16:38:15 +02:00
|
|
|
BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
|
2016-05-25 18:46:47 +02:00
|
|
|
#elif defined USE_64_BIT_ARCHIVE
|
|
|
|
|
BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit),
|
1999-05-03 09:29:11 +02:00
|
|
|
#else
|
2003-07-31 16:38:15 +02:00
|
|
|
BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
|
1999-05-03 09:29:11 +02:00
|
|
|
#endif
|
2003-07-31 16:38:15 +02:00
|
|
|
BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
|
|
|
|
|
BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
|
|
|
|
|
BFD_JUMP_TABLE_WRITE (bfd_elfNN),
|
|
|
|
|
BFD_JUMP_TABLE_LINK (bfd_elfNN),
|
|
|
|
|
BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
|
1999-05-03 09:29:11 +02:00
|
|
|
|
1999-07-19 16:55:16 +02:00
|
|
|
/* Alternative endian target. */
|
|
|
|
|
#ifdef TARGET_BIG_SYM
|
|
|
|
|
& TARGET_BIG_SYM,
|
|
|
|
|
#else
|
|
|
|
|
NULL,
|
|
|
|
|
#endif
|
2001-01-03 23:53:39 +01:00
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
/* backend_data: */
|
2003-08-07 10:38:11 +02:00
|
|
|
&elfNN_bed
|
1999-05-03 09:29:11 +02:00
|
|
|
};
|
|
|
|
|
#endif
|
