2987 lines
90 KiB
C
2987 lines
90 KiB
C
/* BFD back-end for IBM RS/6000 "XCOFF64" files.
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Copyright 2000, 2001, 2002
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Free Software Foundation, Inc.
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Written Clinton Popetz.
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Contributed by Cygnus Support.
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This file is part of BFD, the Binary File Descriptor library.
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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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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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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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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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "bfd.h"
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#include "sysdep.h"
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#include "bfdlink.h"
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#include "libbfd.h"
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#include "coff/internal.h"
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#include "coff/xcoff.h"
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#include "coff/rs6k64.h"
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#include "libcoff.h"
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#include "libxcoff.h"
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#define GET_FILEHDR_SYMPTR H_GET_64
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#define PUT_FILEHDR_SYMPTR H_PUT_64
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#define GET_AOUTHDR_DATA_START H_GET_64
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#define PUT_AOUTHDR_DATA_START H_PUT_64
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#define GET_AOUTHDR_TEXT_START H_GET_64
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#define PUT_AOUTHDR_TEXT_START H_PUT_64
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#define GET_AOUTHDR_TSIZE H_GET_64
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#define PUT_AOUTHDR_TSIZE H_PUT_64
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#define GET_AOUTHDR_DSIZE H_GET_64
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#define PUT_AOUTHDR_DSIZE H_PUT_64
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#define GET_AOUTHDR_BSIZE H_GET_64
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#define PUT_AOUTHDR_BSIZE H_PUT_64
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#define GET_AOUTHDR_ENTRY H_GET_64
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#define PUT_AOUTHDR_ENTRY H_PUT_64
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#define GET_SCNHDR_PADDR H_GET_64
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#define PUT_SCNHDR_PADDR H_PUT_64
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#define GET_SCNHDR_VADDR H_GET_64
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#define PUT_SCNHDR_VADDR H_PUT_64
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#define GET_SCNHDR_SIZE H_GET_64
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#define PUT_SCNHDR_SIZE H_PUT_64
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#define GET_SCNHDR_SCNPTR H_GET_64
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#define PUT_SCNHDR_SCNPTR H_PUT_64
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#define GET_SCNHDR_RELPTR H_GET_64
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#define PUT_SCNHDR_RELPTR H_PUT_64
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#define GET_SCNHDR_LNNOPTR H_GET_64
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#define PUT_SCNHDR_LNNOPTR H_PUT_64
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#define GET_SCNHDR_NRELOC H_GET_32
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#define MAX_SCNHDR_NRELOC 0xffffffff
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#define PUT_SCNHDR_NRELOC H_PUT_32
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#define GET_SCNHDR_NLNNO H_GET_32
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#define MAX_SCNHDR_NLNNO 0xffffffff
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#define PUT_SCNHDR_NLNNO H_PUT_32
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#define GET_RELOC_VADDR H_GET_64
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#define PUT_RELOC_VADDR H_PUT_64
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#define COFF_FORCE_SYMBOLS_IN_STRINGS
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#define COFF_DEBUG_STRING_WIDE_PREFIX
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#define COFF_ADJUST_SCNHDR_OUT_POST(ABFD, INT, EXT) \
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do \
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{ \
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memset (((SCNHDR *) EXT)->s_pad, 0, \
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sizeof (((SCNHDR *) EXT)->s_pad)); \
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} \
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while (0)
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#define NO_COFF_LINENOS
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#define coff_SWAP_lineno_in _bfd_xcoff64_swap_lineno_in
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#define coff_SWAP_lineno_out _bfd_xcoff64_swap_lineno_out
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static void _bfd_xcoff64_swap_lineno_in PARAMS ((bfd *, PTR, PTR));
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static unsigned int _bfd_xcoff64_swap_lineno_out PARAMS ((bfd *, PTR, PTR));
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static boolean _bfd_xcoff64_put_symbol_name
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PARAMS ((bfd *, struct bfd_strtab_hash *, struct internal_syment *,
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const char *));
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static boolean _bfd_xcoff64_put_ldsymbol_name
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PARAMS ((bfd *, struct xcoff_loader_info *, struct internal_ldsym *,
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const char *));
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static void _bfd_xcoff64_swap_sym_in PARAMS ((bfd *, PTR, PTR));
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static unsigned int _bfd_xcoff64_swap_sym_out PARAMS ((bfd *, PTR, PTR));
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static void _bfd_xcoff64_swap_aux_in
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PARAMS ((bfd *, PTR, int, int, int, int, PTR));
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static unsigned int _bfd_xcoff64_swap_aux_out
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PARAMS ((bfd *, PTR, int, int, int, int, PTR));
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extern boolean _bfd_xcoff_mkobject PARAMS ((bfd *));
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extern boolean _bfd_xcoff_copy_private_bfd_data PARAMS ((bfd *, bfd *));
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extern boolean _bfd_xcoff_is_local_label_name PARAMS ((bfd *, const char *));
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extern void xcoff64_rtype2howto
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PARAMS ((arelent *, struct internal_reloc *));
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extern reloc_howto_type * xcoff64_reloc_type_lookup
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PARAMS ((bfd *, bfd_reloc_code_real_type));
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extern boolean _bfd_xcoff_slurp_armap PARAMS ((bfd *));
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extern PTR _bfd_xcoff_read_ar_hdr PARAMS ((bfd *));
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extern bfd *_bfd_xcoff_openr_next_archived_file PARAMS ((bfd *, bfd *));
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extern int _bfd_xcoff_stat_arch_elt PARAMS ((bfd *, struct stat *));
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extern boolean _bfd_xcoff_write_armap
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PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int));
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extern boolean _bfd_xcoff_write_archive_contents PARAMS ((bfd *));
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extern int _bfd_xcoff_sizeof_headers PARAMS ((bfd *, boolean));
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extern void _bfd_xcoff_swap_sym_in PARAMS ((bfd *, PTR, PTR));
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extern unsigned int _bfd_xcoff_swap_sym_out PARAMS ((bfd *, PTR, PTR));
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extern void _bfd_xcoff_swap_aux_in
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PARAMS ((bfd *, PTR, int, int, int, int, PTR));
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extern unsigned int _bfd_xcoff_swap_aux_out
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PARAMS ((bfd *, PTR, int, int, int, int, PTR));
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static void xcoff64_swap_ldhdr_in
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PARAMS ((bfd *, const PTR, struct internal_ldhdr *));
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static void xcoff64_swap_ldhdr_out
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PARAMS ((bfd *, const struct internal_ldhdr *, PTR d));
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static void xcoff64_swap_ldsym_in
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PARAMS ((bfd *, const PTR, struct internal_ldsym *));
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static void xcoff64_swap_ldsym_out
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PARAMS ((bfd *, const struct internal_ldsym *, PTR d));
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static void xcoff64_swap_ldrel_in
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PARAMS ((bfd *, const PTR, struct internal_ldrel *));
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static void xcoff64_swap_ldrel_out
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PARAMS ((bfd *, const struct internal_ldrel *, PTR d));
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static boolean xcoff64_write_object_contents PARAMS ((bfd *));
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static boolean xcoff64_ppc_relocate_section
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PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
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struct internal_reloc *, struct internal_syment *,
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asection **));
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static boolean xcoff64_slurp_armap PARAMS ((bfd *));
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static const bfd_target *xcoff64_archive_p PARAMS ((bfd *));
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static bfd *xcoff64_openr_next_archived_file PARAMS ((bfd *, bfd *));
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static int xcoff64_sizeof_headers PARAMS ((bfd *, boolean));
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static asection *xcoff64_create_csect_from_smclas
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PARAMS ((bfd *, union internal_auxent *, const char *));
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static boolean xcoff64_is_lineno_count_overflow PARAMS ((bfd *, bfd_vma));
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static boolean xcoff64_is_reloc_count_overflow PARAMS ((bfd *, bfd_vma));
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static bfd_vma xcoff64_loader_symbol_offset
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PARAMS ((bfd *, struct internal_ldhdr *));
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static bfd_vma xcoff64_loader_reloc_offset
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PARAMS ((bfd *, struct internal_ldhdr *));
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static boolean xcoff64_generate_rtinit
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PARAMS ((bfd *, const char *, const char *, boolean));
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static boolean xcoff64_bad_format_hook PARAMS ((bfd *, PTR ));
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/* coffcode.h needs these to be defined. */
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/* Internalcoff.h and coffcode.h modify themselves based on these flags. */
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#define XCOFF64
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#define RS6000COFF_C 1
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#define SELECT_RELOC(internal, howto) \
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{ \
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internal.r_type = howto->type; \
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internal.r_size = \
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((howto->complain_on_overflow == complain_overflow_signed \
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? 0x80 \
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: 0) \
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| (howto->bitsize - 1)); \
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}
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#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
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#define COFF_LONG_FILENAMES
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#define NO_COFF_SYMBOLS
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#define RTYPE2HOWTO(cache_ptr, dst) xcoff64_rtype2howto (cache_ptr, dst)
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#define coff_mkobject _bfd_xcoff_mkobject
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#define coff_bfd_copy_private_bfd_data _bfd_xcoff_copy_private_bfd_data
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#define coff_bfd_is_local_label_name _bfd_xcoff_is_local_label_name
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#define coff_bfd_reloc_type_lookup xcoff64_reloc_type_lookup
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#ifdef AIX_CORE
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extern const bfd_target * rs6000coff_core_p PARAMS ((bfd *abfd));
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extern boolean rs6000coff_core_file_matches_executable_p
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PARAMS((bfd *cbfd, bfd *ebfd));
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extern char *rs6000coff_core_file_failing_command PARAMS ((bfd *abfd));
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extern int rs6000coff_core_file_failing_signal PARAMS ((bfd *abfd));
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#define CORE_FILE_P rs6000coff_core_p
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#define coff_core_file_failing_command \
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rs6000coff_core_file_failing_command
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#define coff_core_file_failing_signal \
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rs6000coff_core_file_failing_signal
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#define coff_core_file_matches_executable_p \
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rs6000coff_core_file_matches_executable_p
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#else
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#define CORE_FILE_P _bfd_dummy_target
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#define coff_core_file_failing_command \
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_bfd_nocore_core_file_failing_command
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#define coff_core_file_failing_signal \
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_bfd_nocore_core_file_failing_signal
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#define coff_core_file_matches_executable_p \
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_bfd_nocore_core_file_matches_executable_p
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#endif
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#define coff_SWAP_sym_in _bfd_xcoff64_swap_sym_in
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#define coff_SWAP_sym_out _bfd_xcoff64_swap_sym_out
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#define coff_SWAP_aux_in _bfd_xcoff64_swap_aux_in
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#define coff_SWAP_aux_out _bfd_xcoff64_swap_aux_out
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#include "coffcode.h"
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/* For XCOFF64, the effective width of symndx changes depending on
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whether we are the first entry. Sigh. */
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static void
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_bfd_xcoff64_swap_lineno_in (abfd, ext1, in1)
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bfd *abfd;
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PTR ext1;
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PTR in1;
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{
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LINENO *ext = (LINENO *) ext1;
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struct internal_lineno *in = (struct internal_lineno *) in1;
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in->l_lnno = H_GET_32 (abfd, (ext->l_lnno));
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if (in->l_lnno == 0)
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in->l_addr.l_symndx = H_GET_32 (abfd, ext->l_addr.l_symndx);
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else
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in->l_addr.l_paddr = H_GET_64 (abfd, ext->l_addr.l_paddr);
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}
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static unsigned int
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_bfd_xcoff64_swap_lineno_out (abfd, inp, outp)
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bfd *abfd;
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PTR inp;
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PTR outp;
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{
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struct internal_lineno *in = (struct internal_lineno *) inp;
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struct external_lineno *ext = (struct external_lineno *) outp;
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H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx);
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H_PUT_32 (abfd, in->l_lnno, (ext->l_lnno));
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if (in->l_lnno == 0)
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H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx);
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else
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H_PUT_64 (abfd, in->l_addr.l_paddr, ext->l_addr.l_paddr);
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return bfd_coff_linesz (abfd);
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}
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static void
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_bfd_xcoff64_swap_sym_in (abfd, ext1, in1)
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bfd *abfd;
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PTR ext1;
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PTR in1;
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{
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struct external_syment *ext = (struct external_syment *) ext1;
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struct internal_syment *in = (struct internal_syment *) in1;
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in->_n._n_n._n_zeroes = 0;
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in->_n._n_n._n_offset = H_GET_32 (abfd, ext->e_offset);
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in->n_value = H_GET_64 (abfd, ext->e_value);
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in->n_scnum = H_GET_16 (abfd, ext->e_scnum);
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in->n_type = H_GET_16 (abfd, ext->e_type);
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in->n_sclass = H_GET_8 (abfd, ext->e_sclass);
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in->n_numaux = H_GET_8 (abfd, ext->e_numaux);
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}
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|
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static unsigned int
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_bfd_xcoff64_swap_sym_out (abfd, inp, extp)
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bfd *abfd;
|
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PTR inp;
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PTR extp;
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{
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struct internal_syment *in = (struct internal_syment *) inp;
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struct external_syment *ext = (struct external_syment *) extp;
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H_PUT_32 (abfd, in->_n._n_n._n_offset, ext->e_offset);
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H_PUT_64 (abfd, in->n_value, ext->e_value);
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H_PUT_16 (abfd, in->n_scnum, ext->e_scnum);
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H_PUT_16 (abfd, in->n_type, ext->e_type);
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H_PUT_8 (abfd, in->n_sclass, ext->e_sclass);
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H_PUT_8 (abfd, in->n_numaux, ext->e_numaux);
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return bfd_coff_symesz (abfd);
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}
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|
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static void
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_bfd_xcoff64_swap_aux_in (abfd, ext1, type, class, indx, numaux, in1)
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bfd *abfd;
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PTR ext1;
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int type;
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int class;
|
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int indx;
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int numaux;
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||
PTR in1;
|
||
{
|
||
union external_auxent *ext = (union external_auxent *) ext1;
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union internal_auxent *in = (union internal_auxent *) in1;
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||
|
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switch (class)
|
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{
|
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case C_FILE:
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if (ext->x_file.x_n.x_zeroes[0] == 0)
|
||
{
|
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in->x_file.x_n.x_zeroes = 0;
|
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in->x_file.x_n.x_offset = H_GET_32 (abfd, ext->x_file.x_n.x_offset);
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}
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else
|
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{
|
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memcpy (in->x_file.x_fname, ext->x_file.x_fname, FILNMLEN);
|
||
}
|
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goto end;
|
||
|
||
/* RS/6000 "csect" auxents */
|
||
case C_EXT:
|
||
case C_HIDEXT:
|
||
if (indx + 1 == numaux)
|
||
{
|
||
bfd_signed_vma h = 0;
|
||
bfd_vma l = 0;
|
||
|
||
h = H_GET_S32 (abfd, ext->x_csect.x_scnlen_hi);
|
||
l = H_GET_32 (abfd, ext->x_csect.x_scnlen_lo);
|
||
|
||
in->x_csect.x_scnlen.l = h << 32 | (l & 0xffffffff);
|
||
|
||
in->x_csect.x_parmhash = H_GET_32 (abfd, ext->x_csect.x_parmhash);
|
||
in->x_csect.x_snhash = H_GET_16 (abfd, ext->x_csect.x_snhash);
|
||
/* We don't have to hack bitfields in x_smtyp because it's
|
||
defined by shifts-and-ands, which are equivalent on all
|
||
byte orders. */
|
||
in->x_csect.x_smtyp = H_GET_8 (abfd, ext->x_csect.x_smtyp);
|
||
in->x_csect.x_smclas = H_GET_8 (abfd, ext->x_csect.x_smclas);
|
||
goto end;
|
||
}
|
||
break;
|
||
|
||
case C_STAT:
|
||
case C_LEAFSTAT:
|
||
case C_HIDDEN:
|
||
if (type == T_NULL)
|
||
{
|
||
/* PE defines some extra fields; we zero them out for
|
||
safety. */
|
||
in->x_scn.x_checksum = 0;
|
||
in->x_scn.x_associated = 0;
|
||
in->x_scn.x_comdat = 0;
|
||
|
||
goto end;
|
||
}
|
||
break;
|
||
}
|
||
|
||
if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class))
|
||
{
|
||
in->x_sym.x_fcnary.x_fcn.x_lnnoptr
|
||
= H_GET_64 (abfd, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr);
|
||
in->x_sym.x_fcnary.x_fcn.x_endndx.l
|
||
= H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_endndx);
|
||
}
|
||
if (ISFCN (type))
|
||
{
|
||
in->x_sym.x_misc.x_fsize
|
||
= H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_fsize);
|
||
}
|
||
else
|
||
{
|
||
in->x_sym.x_misc.x_lnsz.x_lnno
|
||
= H_GET_32 (abfd, ext->x_sym.x_fcnary.x_lnsz.x_lnno);
|
||
in->x_sym.x_misc.x_lnsz.x_size
|
||
= H_GET_16 (abfd, ext->x_sym.x_fcnary.x_lnsz.x_size);
|
||
}
|
||
|
||
end: ;
|
||
}
|
||
|
||
static unsigned int
|
||
_bfd_xcoff64_swap_aux_out (abfd, inp, type, class, indx, numaux, extp)
|
||
bfd *abfd;
|
||
PTR inp;
|
||
int type;
|
||
int class;
|
||
int indx ATTRIBUTE_UNUSED;
|
||
int numaux ATTRIBUTE_UNUSED;
|
||
PTR extp;
|
||
{
|
||
union internal_auxent *in = (union internal_auxent *) inp;
|
||
union external_auxent *ext = (union external_auxent *) extp;
|
||
|
||
memset ((PTR) ext, 0, bfd_coff_auxesz (abfd));
|
||
switch (class)
|
||
{
|
||
case C_FILE:
|
||
if (ext->x_file.x_n.x_zeroes == 0)
|
||
{
|
||
H_PUT_32 (abfd, 0, ext->x_file.x_n.x_zeroes);
|
||
H_PUT_32 (abfd, in->x_file.x_n.x_offset, ext->x_file.x_n.x_offset);
|
||
}
|
||
else
|
||
{
|
||
memcpy (ext->x_file.x_fname, in->x_file.x_fname, FILNMLEN);
|
||
}
|
||
H_PUT_8 (abfd, _AUX_FILE, ext->x_auxtype.x_auxtype);
|
||
goto end;
|
||
|
||
/* RS/6000 "csect" auxents */
|
||
case C_EXT:
|
||
case C_HIDEXT:
|
||
if (indx + 1 == numaux)
|
||
{
|
||
bfd_vma temp;
|
||
|
||
temp = in->x_csect.x_scnlen.l & 0xffffffff;
|
||
H_PUT_32 (abfd, temp, ext->x_csect.x_scnlen_lo);
|
||
temp = in->x_csect.x_scnlen.l >> 32;
|
||
H_PUT_32 (abfd, temp, ext->x_csect.x_scnlen_hi);
|
||
H_PUT_32 (abfd, in->x_csect.x_parmhash, ext->x_csect.x_parmhash);
|
||
H_PUT_16 (abfd, in->x_csect.x_snhash, ext->x_csect.x_snhash);
|
||
/* We don't have to hack bitfields in x_smtyp because it's
|
||
defined by shifts-and-ands, which are equivalent on all
|
||
byte orders. */
|
||
H_PUT_8 (abfd, in->x_csect.x_smtyp, ext->x_csect.x_smtyp);
|
||
H_PUT_8 (abfd, in->x_csect.x_smclas, ext->x_csect.x_smclas);
|
||
H_PUT_8 (abfd, _AUX_CSECT, ext->x_auxtype.x_auxtype);
|
||
goto end;
|
||
}
|
||
break;
|
||
|
||
case C_STAT:
|
||
case C_LEAFSTAT:
|
||
case C_HIDDEN:
|
||
if (type == T_NULL)
|
||
{
|
||
goto end;
|
||
}
|
||
break;
|
||
}
|
||
|
||
if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class))
|
||
{
|
||
H_PUT_64 (abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr,
|
||
ext->x_sym.x_fcnary.x_fcn.x_lnnoptr);
|
||
H_PUT_8 (abfd, _AUX_FCN,
|
||
ext->x_auxtype.x_auxtype);
|
||
H_PUT_32 (abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l,
|
||
ext->x_sym.x_fcnary.x_fcn.x_endndx);
|
||
}
|
||
if (ISFCN (type))
|
||
{
|
||
H_PUT_32 (abfd, in->x_sym.x_misc.x_fsize,
|
||
ext->x_sym.x_fcnary.x_fcn.x_fsize);
|
||
}
|
||
else
|
||
{
|
||
H_PUT_32 (abfd, in->x_sym.x_misc.x_lnsz.x_lnno,
|
||
ext->x_sym.x_fcnary.x_lnsz.x_lnno);
|
||
H_PUT_16 (abfd, in->x_sym.x_misc.x_lnsz.x_size,
|
||
ext->x_sym.x_fcnary.x_lnsz.x_size);
|
||
}
|
||
|
||
end:
|
||
|
||
return bfd_coff_auxesz (abfd);
|
||
}
|
||
|
||
static boolean
|
||
_bfd_xcoff64_put_symbol_name (abfd, strtab, sym, name)
|
||
bfd *abfd;
|
||
struct bfd_strtab_hash *strtab;
|
||
struct internal_syment *sym;
|
||
const char *name;
|
||
{
|
||
boolean hash;
|
||
bfd_size_type indx;
|
||
|
||
hash = true;
|
||
|
||
if ((abfd->flags & BFD_TRADITIONAL_FORMAT) != 0)
|
||
hash = false;
|
||
|
||
indx = _bfd_stringtab_add (strtab, name, hash, false);
|
||
|
||
if (indx == (bfd_size_type) -1)
|
||
return false;
|
||
|
||
sym->_n._n_n._n_zeroes = 0;
|
||
sym->_n._n_n._n_offset = STRING_SIZE_SIZE + indx;
|
||
|
||
return true;
|
||
}
|
||
|
||
static boolean
|
||
_bfd_xcoff64_put_ldsymbol_name (abfd, ldinfo, ldsym, name)
|
||
bfd *abfd ATTRIBUTE_UNUSED;
|
||
struct xcoff_loader_info *ldinfo;
|
||
struct internal_ldsym *ldsym;
|
||
const char *name;
|
||
{
|
||
size_t len;
|
||
len = strlen (name);
|
||
|
||
if (ldinfo->string_size + len + 3 > ldinfo->string_alc)
|
||
{
|
||
bfd_size_type newalc;
|
||
bfd_byte *newstrings;
|
||
|
||
newalc = ldinfo->string_alc * 2;
|
||
if (newalc == 0)
|
||
newalc = 32;
|
||
while (ldinfo->string_size + len + 3 > newalc)
|
||
newalc *= 2;
|
||
|
||
newstrings = ((bfd_byte *)
|
||
bfd_realloc ((PTR) ldinfo->strings, newalc));
|
||
if (newstrings == NULL)
|
||
{
|
||
ldinfo->failed = true;
|
||
return false;
|
||
}
|
||
ldinfo->string_alc = newalc;
|
||
ldinfo->strings = newstrings;
|
||
}
|
||
|
||
bfd_put_16 (ldinfo->output_bfd, (bfd_vma) (len + 1),
|
||
ldinfo->strings + ldinfo->string_size);
|
||
strcpy (ldinfo->strings + ldinfo->string_size + 2, name);
|
||
ldsym->_l._l_l._l_zeroes = 0;
|
||
ldsym->_l._l_l._l_offset = ldinfo->string_size + 2;
|
||
ldinfo->string_size += len + 3;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Routines to swap information in the XCOFF .loader section. If we
|
||
ever need to write an XCOFF loader, this stuff will need to be
|
||
moved to another file shared by the linker (which XCOFF calls the
|
||
``binder'') and the loader. */
|
||
|
||
/* Swap in the ldhdr structure. */
|
||
|
||
static void
|
||
xcoff64_swap_ldhdr_in (abfd, s, dst)
|
||
bfd *abfd;
|
||
const PTR s;
|
||
struct internal_ldhdr *dst;
|
||
{
|
||
const struct external_ldhdr *src = (const struct external_ldhdr *) s;
|
||
|
||
dst->l_version = bfd_get_32 (abfd, src->l_version);
|
||
dst->l_nsyms = bfd_get_32 (abfd, src->l_nsyms);
|
||
dst->l_nreloc = bfd_get_32 (abfd, src->l_nreloc);
|
||
dst->l_istlen = bfd_get_32 (abfd, src->l_istlen);
|
||
dst->l_nimpid = bfd_get_32 (abfd, src->l_nimpid);
|
||
dst->l_stlen = bfd_get_32 (abfd, src->l_stlen);
|
||
dst->l_impoff = bfd_get_64 (abfd, src->l_impoff);
|
||
dst->l_stoff = bfd_get_64 (abfd, src->l_stoff);
|
||
dst->l_symoff = bfd_get_64 (abfd, src->l_symoff);
|
||
dst->l_rldoff = bfd_get_64 (abfd, src->l_rldoff);
|
||
}
|
||
|
||
/* Swap out the ldhdr structure. */
|
||
|
||
static void
|
||
xcoff64_swap_ldhdr_out (abfd, src, d)
|
||
bfd *abfd;
|
||
const struct internal_ldhdr *src;
|
||
PTR d;
|
||
{
|
||
struct external_ldhdr *dst = (struct external_ldhdr *) d;
|
||
|
||
bfd_put_32 (abfd, (bfd_vma) src->l_version, dst->l_version);
|
||
bfd_put_32 (abfd, src->l_nsyms, dst->l_nsyms);
|
||
bfd_put_32 (abfd, src->l_nreloc, dst->l_nreloc);
|
||
bfd_put_32 (abfd, src->l_istlen, dst->l_istlen);
|
||
bfd_put_32 (abfd, src->l_nimpid, dst->l_nimpid);
|
||
bfd_put_32 (abfd, src->l_stlen, dst->l_stlen);
|
||
bfd_put_64 (abfd, src->l_impoff, dst->l_impoff);
|
||
bfd_put_64 (abfd, src->l_stoff, dst->l_stoff);
|
||
bfd_put_64 (abfd, src->l_symoff, dst->l_symoff);
|
||
bfd_put_64 (abfd, src->l_rldoff, dst->l_rldoff);
|
||
}
|
||
|
||
/* Swap in the ldsym structure. */
|
||
|
||
static void
|
||
xcoff64_swap_ldsym_in (abfd, s, dst)
|
||
bfd *abfd;
|
||
const PTR s;
|
||
struct internal_ldsym *dst;
|
||
{
|
||
const struct external_ldsym *src = (const struct external_ldsym *) s;
|
||
/* XCOFF64 does not use l_zeroes like XCOFF32
|
||
Set the internal l_zeroes to 0 so the common 32/64 code uses l_value
|
||
as an offset into the loader symbol table. */
|
||
dst->_l._l_l._l_zeroes = 0;
|
||
dst->_l._l_l._l_offset = bfd_get_32 (abfd, src->l_offset);
|
||
dst->l_value = bfd_get_64 (abfd, src->l_value);
|
||
dst->l_scnum = bfd_get_16 (abfd, src->l_scnum);
|
||
dst->l_smtype = bfd_get_8 (abfd, src->l_smtype);
|
||
dst->l_smclas = bfd_get_8 (abfd, src->l_smclas);
|
||
dst->l_ifile = bfd_get_32 (abfd, src->l_ifile);
|
||
dst->l_parm = bfd_get_32 (abfd, src->l_parm);
|
||
}
|
||
|
||
/* Swap out the ldsym structure. */
|
||
|
||
static void
|
||
xcoff64_swap_ldsym_out (abfd, src, d)
|
||
bfd *abfd;
|
||
const struct internal_ldsym *src;
|
||
PTR d;
|
||
{
|
||
struct external_ldsym *dst = (struct external_ldsym *) d;
|
||
|
||
bfd_put_64 (abfd, src->l_value, dst->l_value);
|
||
bfd_put_32 (abfd, (bfd_vma) src->_l._l_l._l_offset, dst->l_offset);
|
||
bfd_put_16 (abfd, (bfd_vma) src->l_scnum, dst->l_scnum);
|
||
bfd_put_8 (abfd, src->l_smtype, dst->l_smtype);
|
||
bfd_put_8 (abfd, src->l_smclas, dst->l_smclas);
|
||
bfd_put_32 (abfd, src->l_ifile, dst->l_ifile);
|
||
bfd_put_32 (abfd, src->l_parm, dst->l_parm);
|
||
}
|
||
|
||
/* Swap in the ldrel structure. */
|
||
|
||
static void
|
||
xcoff64_swap_ldrel_in (abfd, s, dst)
|
||
bfd *abfd;
|
||
const PTR s;
|
||
struct internal_ldrel *dst;
|
||
{
|
||
const struct external_ldrel *src = (const struct external_ldrel *) s;
|
||
|
||
dst->l_vaddr = bfd_get_64 (abfd, src->l_vaddr);
|
||
dst->l_symndx = bfd_get_32 (abfd, src->l_symndx);
|
||
dst->l_rtype = bfd_get_16 (abfd, src->l_rtype);
|
||
dst->l_rsecnm = bfd_get_16 (abfd, src->l_rsecnm);
|
||
}
|
||
|
||
/* Swap out the ldrel structure. */
|
||
|
||
static void
|
||
xcoff64_swap_ldrel_out (abfd, src, d)
|
||
bfd *abfd;
|
||
const struct internal_ldrel *src;
|
||
PTR d;
|
||
{
|
||
struct external_ldrel *dst = (struct external_ldrel *) d;
|
||
|
||
bfd_put_64 (abfd, src->l_vaddr, dst->l_vaddr);
|
||
bfd_put_16 (abfd, (bfd_vma) src->l_rtype, dst->l_rtype);
|
||
bfd_put_16 (abfd, (bfd_vma) src->l_rsecnm, dst->l_rsecnm);
|
||
bfd_put_32 (abfd, src->l_symndx, dst->l_symndx);
|
||
}
|
||
|
||
static boolean
|
||
xcoff64_write_object_contents (abfd)
|
||
bfd * abfd;
|
||
{
|
||
asection *current;
|
||
boolean hasrelocs = false;
|
||
boolean haslinno = false;
|
||
file_ptr scn_base;
|
||
file_ptr reloc_base;
|
||
file_ptr lineno_base;
|
||
file_ptr sym_base;
|
||
unsigned long reloc_size = 0;
|
||
unsigned long lnno_size = 0;
|
||
boolean long_section_names;
|
||
asection *text_sec = ((void *) 0);
|
||
asection *data_sec = ((void *) 0);
|
||
asection *bss_sec = ((void *) 0);
|
||
struct internal_filehdr internal_f;
|
||
struct internal_aouthdr internal_a;
|
||
|
||
bfd_set_error (bfd_error_system_call);
|
||
|
||
if (abfd->output_has_begun == false)
|
||
{
|
||
if (! bfd_coff_compute_section_file_positions (abfd))
|
||
return false;
|
||
}
|
||
|
||
/* Work out the size of the reloc and linno areas. */
|
||
reloc_base = obj_relocbase (abfd);
|
||
|
||
for (current = abfd->sections; current != NULL; current = current->next)
|
||
reloc_size += current->reloc_count * bfd_coff_relsz (abfd);
|
||
|
||
lineno_base = reloc_base + reloc_size;
|
||
|
||
/* Make a pass through the symbol table to count line number entries and
|
||
put them into the correct asections. */
|
||
lnno_size = coff_count_linenumbers (abfd) * bfd_coff_linesz (abfd);
|
||
|
||
sym_base = lineno_base + lnno_size;
|
||
|
||
/* Indicate in each section->line_filepos its actual file address. */
|
||
for (current = abfd->sections; current != NULL; current = current->next)
|
||
{
|
||
if (current->lineno_count)
|
||
{
|
||
current->line_filepos = lineno_base;
|
||
current->moving_line_filepos = lineno_base;
|
||
lineno_base += current->lineno_count * bfd_coff_linesz (abfd);
|
||
}
|
||
else
|
||
{
|
||
current->line_filepos = 0;
|
||
}
|
||
|
||
if (current->reloc_count)
|
||
{
|
||
current->rel_filepos = reloc_base;
|
||
reloc_base += current->reloc_count * bfd_coff_relsz (abfd);
|
||
}
|
||
else
|
||
{
|
||
current->rel_filepos = 0;
|
||
}
|
||
}
|
||
|
||
if ((abfd->flags & EXEC_P) != 0)
|
||
{
|
||
scn_base = bfd_coff_filhsz (abfd) + bfd_coff_aoutsz (abfd);
|
||
internal_f.f_opthdr = bfd_coff_aoutsz (abfd);
|
||
}
|
||
else
|
||
{
|
||
scn_base = bfd_coff_filhsz (abfd);
|
||
internal_f.f_opthdr = 0;
|
||
}
|
||
|
||
internal_f.f_nscns = 0;
|
||
|
||
if (bfd_seek (abfd, scn_base, SEEK_SET) != 0)
|
||
return false;
|
||
|
||
long_section_names = false;
|
||
for (current = abfd->sections; current != NULL; current = current->next)
|
||
{
|
||
struct internal_scnhdr section;
|
||
struct external_scnhdr buff;
|
||
bfd_size_type amount;
|
||
|
||
internal_f.f_nscns++;
|
||
|
||
strncpy (section.s_name, current->name, SCNNMLEN);
|
||
|
||
section.s_vaddr = current->vma;
|
||
section.s_paddr = current->lma;
|
||
section.s_size = current->_raw_size;
|
||
|
||
/* If this section has no size or is unloadable then the scnptr
|
||
will be 0 too. */
|
||
if (current->_raw_size == 0
|
||
|| (current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
|
||
{
|
||
section.s_scnptr = 0;
|
||
}
|
||
else
|
||
{
|
||
section.s_scnptr = current->filepos;
|
||
}
|
||
|
||
section.s_relptr = current->rel_filepos;
|
||
section.s_lnnoptr = current->line_filepos;
|
||
section.s_nreloc = current->reloc_count;
|
||
|
||
section.s_nlnno = current->lineno_count;
|
||
if (current->reloc_count != 0)
|
||
hasrelocs = true;
|
||
if (current->lineno_count != 0)
|
||
haslinno = true;
|
||
|
||
section.s_flags = sec_to_styp_flags (current->name, current->flags);
|
||
|
||
if (!strcmp (current->name, _TEXT))
|
||
{
|
||
text_sec = current;
|
||
}
|
||
else if (!strcmp (current->name, _DATA))
|
||
{
|
||
data_sec = current;
|
||
}
|
||
else if (!strcmp (current->name, _BSS))
|
||
{
|
||
bss_sec = current;
|
||
}
|
||
|
||
amount = bfd_coff_scnhsz (abfd);
|
||
if (bfd_coff_swap_scnhdr_out (abfd, §ion, &buff) == 0
|
||
|| bfd_bwrite ((PTR) (&buff), amount, abfd) != amount)
|
||
return false;
|
||
}
|
||
|
||
internal_f.f_timdat = 0;
|
||
|
||
internal_f.f_flags = 0;
|
||
|
||
if (!hasrelocs)
|
||
internal_f.f_flags |= F_RELFLG;
|
||
if (!haslinno)
|
||
internal_f.f_flags |= F_LNNO;
|
||
if (abfd->flags & EXEC_P)
|
||
internal_f.f_flags |= F_EXEC;
|
||
|
||
/* FIXME: this is wrong for PPC_PE! */
|
||
if (bfd_little_endian (abfd))
|
||
internal_f.f_flags |= F_AR32WR;
|
||
else
|
||
internal_f.f_flags |= F_AR32W;
|
||
|
||
if ((abfd->flags & DYNAMIC) != 0)
|
||
internal_f.f_flags |= F_SHROBJ;
|
||
if (bfd_get_section_by_name (abfd, _LOADER) != NULL)
|
||
internal_f.f_flags |= F_DYNLOAD;
|
||
|
||
memset (&internal_a, 0, sizeof internal_a);
|
||
|
||
internal_f.f_magic = bfd_xcoff_magic_number (abfd);
|
||
internal_a.magic = (abfd->flags & D_PAGED) ? RS6K_AOUTHDR_ZMAGIC :
|
||
(abfd->flags & WP_TEXT) ? RS6K_AOUTHDR_NMAGIC :
|
||
RS6K_AOUTHDR_OMAGIC;
|
||
|
||
/* FIXME: Does anybody ever set this to another value? */
|
||
internal_a.vstamp = 0;
|
||
|
||
/* Now should write relocs, strings, syms. */
|
||
obj_sym_filepos (abfd) = sym_base;
|
||
|
||
internal_f.f_symptr = 0;
|
||
internal_f.f_nsyms = 0;
|
||
|
||
/* If bfd_get_symcount (abfd) != 0, then we are not using the COFF
|
||
backend linker, and obj_raw_syment_count is not valid until after
|
||
coff_write_symbols is called. */
|
||
if (bfd_get_symcount (abfd) != 0)
|
||
{
|
||
int firstundef;
|
||
|
||
if (!coff_renumber_symbols (abfd, &firstundef))
|
||
return false;
|
||
coff_mangle_symbols (abfd);
|
||
if (! coff_write_symbols (abfd))
|
||
return false;
|
||
if (! coff_write_linenumbers (abfd))
|
||
return false;
|
||
if (! coff_write_relocs (abfd, firstundef))
|
||
return false;
|
||
|
||
internal_f.f_symptr = sym_base;
|
||
internal_f.f_nsyms = bfd_get_symcount (abfd);
|
||
}
|
||
else if (obj_raw_syment_count (abfd) != 0)
|
||
{
|
||
internal_f.f_symptr = sym_base;
|
||
|
||
/* AIX appears to require that F_RELFLG not be set if there are
|
||
local symbols but no relocations. */
|
||
internal_f.f_flags &=~ F_RELFLG;
|
||
}
|
||
else
|
||
{
|
||
internal_f.f_flags |= F_LSYMS;
|
||
}
|
||
|
||
if (text_sec)
|
||
{
|
||
internal_a.tsize = bfd_get_section_size_before_reloc (text_sec);
|
||
internal_a.text_start = internal_a.tsize ? text_sec->vma : 0;
|
||
}
|
||
|
||
if (data_sec)
|
||
{
|
||
internal_a.dsize = bfd_get_section_size_before_reloc (data_sec);
|
||
internal_a.data_start = internal_a.dsize ? data_sec->vma : 0;
|
||
}
|
||
|
||
if (bss_sec)
|
||
{
|
||
internal_a.bsize = bfd_get_section_size_before_reloc (bss_sec);
|
||
if (internal_a.bsize && bss_sec->vma < internal_a.data_start)
|
||
internal_a.data_start = bss_sec->vma;
|
||
}
|
||
|
||
internal_a.entry = bfd_get_start_address (abfd);
|
||
internal_f.f_nsyms = obj_raw_syment_count (abfd);
|
||
|
||
if (xcoff_data (abfd)->full_aouthdr)
|
||
{
|
||
bfd_vma toc;
|
||
asection *loader_sec;
|
||
|
||
internal_a.vstamp = 1;
|
||
|
||
internal_a.o_snentry = xcoff_data (abfd)->snentry;
|
||
if (internal_a.o_snentry == 0)
|
||
internal_a.entry = (bfd_vma) -1;
|
||
|
||
if (text_sec != NULL)
|
||
{
|
||
internal_a.o_sntext = text_sec->target_index;
|
||
internal_a.o_algntext = bfd_get_section_alignment (abfd, text_sec);
|
||
}
|
||
else
|
||
{
|
||
internal_a.o_sntext = 0;
|
||
internal_a.o_algntext = 0;
|
||
}
|
||
|
||
if (data_sec != NULL)
|
||
{
|
||
internal_a.o_sndata = data_sec->target_index;
|
||
internal_a.o_algndata = bfd_get_section_alignment (abfd, data_sec);
|
||
}
|
||
else
|
||
{
|
||
internal_a.o_sndata = 0;
|
||
internal_a.o_algndata = 0;
|
||
}
|
||
|
||
loader_sec = bfd_get_section_by_name (abfd, ".loader");
|
||
if (loader_sec != NULL)
|
||
internal_a.o_snloader = loader_sec->target_index;
|
||
else
|
||
internal_a.o_snloader = 0;
|
||
if (bss_sec != NULL)
|
||
internal_a.o_snbss = bss_sec->target_index;
|
||
else
|
||
internal_a.o_snbss = 0;
|
||
|
||
toc = xcoff_data (abfd)->toc;
|
||
internal_a.o_toc = toc;
|
||
internal_a.o_sntoc = xcoff_data (abfd)->sntoc;
|
||
|
||
internal_a.o_modtype = xcoff_data (abfd)->modtype;
|
||
if (xcoff_data (abfd)->cputype != -1)
|
||
internal_a.o_cputype = xcoff_data (abfd)->cputype;
|
||
else
|
||
{
|
||
switch (bfd_get_arch (abfd))
|
||
{
|
||
case bfd_arch_rs6000:
|
||
internal_a.o_cputype = 4;
|
||
break;
|
||
case bfd_arch_powerpc:
|
||
if (bfd_get_mach (abfd) == 0)
|
||
internal_a.o_cputype = 3;
|
||
else
|
||
internal_a.o_cputype = 1;
|
||
break;
|
||
default:
|
||
abort ();
|
||
}
|
||
}
|
||
internal_a.o_maxstack = xcoff_data (abfd)->maxstack;
|
||
internal_a.o_maxdata = xcoff_data (abfd)->maxdata;
|
||
}
|
||
|
||
if (bfd_seek (abfd, (file_ptr) 0, 0) != 0)
|
||
return false;
|
||
|
||
{
|
||
char * buff;
|
||
bfd_size_type amount = bfd_coff_filhsz (abfd);
|
||
|
||
buff = bfd_malloc (amount);
|
||
if (buff == NULL)
|
||
return false;
|
||
|
||
bfd_coff_swap_filehdr_out (abfd, (PTR) &internal_f, (PTR) buff);
|
||
amount = bfd_bwrite ((PTR) buff, amount, abfd);
|
||
|
||
free (buff);
|
||
|
||
if (amount != bfd_coff_filhsz (abfd))
|
||
return false;
|
||
}
|
||
|
||
if (abfd->flags & EXEC_P)
|
||
{
|
||
char * buff;
|
||
bfd_size_type amount = bfd_coff_aoutsz (abfd);
|
||
|
||
buff = bfd_malloc (amount);
|
||
if (buff == NULL)
|
||
return false;
|
||
|
||
bfd_coff_swap_aouthdr_out (abfd, (PTR) & internal_a, (PTR) buff);
|
||
amount = bfd_bwrite ((PTR) buff, amount, abfd);
|
||
|
||
free (buff);
|
||
|
||
if (amount != bfd_coff_aoutsz (abfd))
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/* This is the relocation function for the RS/6000/POWER/PowerPC.
|
||
This is currently the only processor which uses XCOFF; I hope that
|
||
will never change. */
|
||
|
||
static boolean
|
||
xcoff64_ppc_relocate_section (output_bfd, info, input_bfd,
|
||
input_section, contents, relocs, syms,
|
||
sections)
|
||
bfd *output_bfd;
|
||
struct bfd_link_info *info;
|
||
bfd *input_bfd;
|
||
asection *input_section;
|
||
bfd_byte *contents;
|
||
struct internal_reloc *relocs;
|
||
struct internal_syment *syms;
|
||
asection **sections;
|
||
{
|
||
struct internal_reloc *rel;
|
||
struct internal_reloc *relend;
|
||
|
||
rel = relocs;
|
||
relend = rel + input_section->reloc_count;
|
||
for (; rel < relend; rel++)
|
||
{
|
||
long symndx;
|
||
struct xcoff_link_hash_entry *h;
|
||
struct internal_syment *sym;
|
||
bfd_vma addend;
|
||
bfd_vma val;
|
||
struct reloc_howto_struct howto;
|
||
bfd_reloc_status_type rstat;
|
||
|
||
/* Relocation type R_REF is a special relocation type which is
|
||
merely used to prevent garbage collection from occurring for
|
||
the csect including the symbol which it references. */
|
||
if (rel->r_type == R_REF)
|
||
continue;
|
||
|
||
symndx = rel->r_symndx;
|
||
|
||
if (symndx == -1)
|
||
{
|
||
h = NULL;
|
||
sym = NULL;
|
||
addend = 0;
|
||
}
|
||
else
|
||
{
|
||
h = obj_xcoff_sym_hashes (input_bfd)[symndx];
|
||
sym = syms + symndx;
|
||
addend = - sym->n_value;
|
||
}
|
||
|
||
/* We build the howto information on the fly. */
|
||
|
||
howto.type = rel->r_type;
|
||
howto.rightshift = 0;
|
||
howto.size = 4;
|
||
howto.bitsize = (rel->r_size & 0x3f) + 1;
|
||
howto.pc_relative = false;
|
||
howto.bitpos = 0;
|
||
if ((rel->r_size & 0x80) != 0)
|
||
howto.complain_on_overflow = complain_overflow_signed;
|
||
else
|
||
howto.complain_on_overflow = complain_overflow_bitfield;
|
||
howto.special_function = NULL;
|
||
howto.name = "internal";
|
||
howto.partial_inplace = true;
|
||
|
||
if (howto.bitsize == 64)
|
||
{
|
||
howto.src_mask = howto.dst_mask = MINUS_ONE;
|
||
}
|
||
else if (howto.bitsize == 32)
|
||
{
|
||
howto.src_mask = howto.dst_mask = 0xffffffff;
|
||
}
|
||
else
|
||
{
|
||
howto.src_mask = howto.dst_mask = (1 << howto.bitsize) - 1;
|
||
if (howto.bitsize == 16)
|
||
howto.size = 1;
|
||
}
|
||
howto.pcrel_offset = false;
|
||
|
||
val = 0;
|
||
|
||
if (h == NULL)
|
||
{
|
||
asection *sec;
|
||
|
||
if (symndx == -1)
|
||
{
|
||
sec = bfd_abs_section_ptr;
|
||
val = 0;
|
||
}
|
||
else
|
||
{
|
||
sec = sections[symndx];
|
||
/* Hack to make sure we use the right TOC anchor value
|
||
if this reloc is against the TOC anchor. */
|
||
if (sec->name[3] == '0'
|
||
&& strcmp (sec->name, ".tc0") == 0)
|
||
val = xcoff_data (output_bfd)->toc;
|
||
else
|
||
val = (sec->output_section->vma
|
||
+ sec->output_offset
|
||
+ sym->n_value
|
||
- sec->vma);
|
||
}
|
||
|
||
}
|
||
else
|
||
{
|
||
|
||
if (h->root.type == bfd_link_hash_defined
|
||
|| h->root.type == bfd_link_hash_defweak)
|
||
{
|
||
asection *sec;
|
||
|
||
sec = h->root.u.def.section;
|
||
val = (h->root.u.def.value
|
||
+ sec->output_section->vma
|
||
+ sec->output_offset);
|
||
|
||
}
|
||
else if (h->root.type == bfd_link_hash_common)
|
||
{
|
||
asection *sec;
|
||
|
||
sec = h->root.u.c.p->section;
|
||
val = (sec->output_section->vma
|
||
+ sec->output_offset);
|
||
}
|
||
else if ((h->flags & XCOFF_DEF_DYNAMIC) != 0
|
||
|| (h->flags & XCOFF_IMPORT) != 0)
|
||
{
|
||
/* Every symbol in a shared object is defined somewhere. */
|
||
val = 0;
|
||
}
|
||
else if (! info->relocateable)
|
||
{
|
||
if (! ((*info->callbacks->undefined_symbol)
|
||
(info, h->root.root.string, input_bfd, input_section,
|
||
rel->r_vaddr - input_section->vma, true)))
|
||
return false;
|
||
|
||
/* Don't try to process the reloc. It can't help, and
|
||
it may generate another error. */
|
||
continue;
|
||
}
|
||
}
|
||
|
||
/* I took the relocation type definitions from two documents:
|
||
the PowerPC AIX Version 4 Application Binary Interface, First
|
||
Edition (April 1992), and the PowerOpen ABI, Big-Endian
|
||
32-Bit Hardware Implementation (June 30, 1994). Differences
|
||
between the documents are noted below. */
|
||
|
||
switch (rel->r_type)
|
||
{
|
||
case R_RTB:
|
||
case R_RRTBI:
|
||
case R_RRTBA:
|
||
/* These relocs are defined by the PowerPC ABI to be
|
||
relative branches which use half of the difference
|
||
between the symbol and the program counter. I can't
|
||
quite figure out when this is useful. These relocs are
|
||
not defined by the PowerOpen ABI. */
|
||
default:
|
||
(*_bfd_error_handler)
|
||
(_("%s: unsupported relocation type 0x%02x"),
|
||
bfd_archive_filename (input_bfd), (unsigned int) rel->r_type);
|
||
bfd_set_error (bfd_error_bad_value);
|
||
return false;
|
||
case R_POS:
|
||
/* Simple positive relocation. */
|
||
break;
|
||
case R_NEG:
|
||
/* Simple negative relocation. */
|
||
val = - val;
|
||
break;
|
||
case R_REL:
|
||
/* Simple PC relative relocation. */
|
||
howto.pc_relative = true;
|
||
break;
|
||
case R_TOC:
|
||
/* TOC relative relocation. The value in the instruction in
|
||
the input file is the offset from the input file TOC to
|
||
the desired location. We want the offset from the final
|
||
TOC to the desired location. We have:
|
||
isym = iTOC + in
|
||
iinsn = in + o
|
||
osym = oTOC + on
|
||
oinsn = on + o
|
||
so we must change insn by on - in.
|
||
*/
|
||
case R_GL:
|
||
/* Global linkage relocation. The value of this relocation
|
||
is the address of the entry in the TOC section. */
|
||
case R_TCL:
|
||
/* Local object TOC address. I can't figure out the
|
||
difference between this and case R_GL. */
|
||
case R_TRL:
|
||
/* TOC relative relocation. A TOC relative load instruction
|
||
which may be changed to a load address instruction.
|
||
FIXME: We don't currently implement this optimization. */
|
||
case R_TRLA:
|
||
/* TOC relative relocation. This is a TOC relative load
|
||
address instruction which may be changed to a load
|
||
instruction. FIXME: I don't know if this is the correct
|
||
implementation. */
|
||
if (h != NULL && h->smclas != XMC_TD)
|
||
{
|
||
if (h->toc_section == NULL)
|
||
{
|
||
(*_bfd_error_handler)
|
||
(_("%s: TOC reloc at 0x%x to symbol `%s' with no TOC entry"),
|
||
bfd_archive_filename (input_bfd), rel->r_vaddr,
|
||
h->root.root.string);
|
||
bfd_set_error (bfd_error_bad_value);
|
||
return false;
|
||
}
|
||
|
||
BFD_ASSERT ((h->flags & XCOFF_SET_TOC) == 0);
|
||
val = (h->toc_section->output_section->vma
|
||
+ h->toc_section->output_offset);
|
||
}
|
||
|
||
val = ((val - xcoff_data (output_bfd)->toc)
|
||
- (sym->n_value - xcoff_data (input_bfd)->toc));
|
||
|
||
addend = 0;
|
||
break;
|
||
case R_BA:
|
||
/* Absolute branch. We don't want to mess with the lower
|
||
two bits of the instruction. */
|
||
case R_CAI:
|
||
/* The PowerPC ABI defines this as an absolute call which
|
||
may be modified to become a relative call. The PowerOpen
|
||
ABI does not define this relocation type. */
|
||
case R_RBA:
|
||
/* Absolute branch which may be modified to become a
|
||
relative branch. */
|
||
case R_RBAC:
|
||
/* The PowerPC ABI defines this as an absolute branch to a
|
||
fixed address which may be modified to an absolute branch
|
||
to a symbol. The PowerOpen ABI does not define this
|
||
relocation type. */
|
||
case R_RBRC:
|
||
/* The PowerPC ABI defines this as an absolute branch to a
|
||
fixed address which may be modified to a relative branch.
|
||
The PowerOpen ABI does not define this relocation type. */
|
||
howto.src_mask &= ~3;
|
||
howto.dst_mask = howto.src_mask;
|
||
break;
|
||
case R_BR:
|
||
/* Relative branch. We don't want to mess with the lower
|
||
two bits of the instruction. */
|
||
case R_CREL:
|
||
/* The PowerPC ABI defines this as a relative call which may
|
||
be modified to become an absolute call. The PowerOpen
|
||
ABI does not define this relocation type. */
|
||
case R_RBR:
|
||
/* A relative branch which may be modified to become an
|
||
absolute branch. FIXME: We don't implement this,
|
||
although we should for symbols of storage mapping class
|
||
XMC_XO. */
|
||
howto.pc_relative = true;
|
||
howto.src_mask &= ~3;
|
||
howto.dst_mask = howto.src_mask;
|
||
howto.size = 2;
|
||
howto.complain_on_overflow = complain_overflow_bitfield;
|
||
break;
|
||
case R_RL:
|
||
/* The PowerPC AIX ABI describes this as a load which may be
|
||
changed to a load address. The PowerOpen ABI says this
|
||
is the same as case R_POS. */
|
||
break;
|
||
case R_RLA:
|
||
/* The PowerPC AIX ABI describes this as a load address
|
||
which may be changed to a load. The PowerOpen ABI says
|
||
this is the same as R_POS. */
|
||
break;
|
||
}
|
||
|
||
/* If we see an R_BR or R_RBR reloc which is jumping to global
|
||
linkage code, and it is followed by an appropriate cror nop
|
||
instruction, we replace the cror with ld r2,40(r1). This
|
||
restores the TOC after the glink code. Contrariwise, if the
|
||
call is followed by a ld r2,40(r1), but the call is not
|
||
going to global linkage code, we can replace the load with a
|
||
cror. */
|
||
if ((rel->r_type == R_BR || rel->r_type == R_RBR)
|
||
&& h != NULL
|
||
&& h->root.type == bfd_link_hash_defined
|
||
&& (rel->r_vaddr - input_section->vma + 8
|
||
<= input_section->_cooked_size))
|
||
{
|
||
bfd_byte *pnext;
|
||
unsigned long next;
|
||
|
||
pnext = contents + (rel->r_vaddr - input_section->vma) + 4;
|
||
next = bfd_get_32 (input_bfd, pnext);
|
||
|
||
|
||
/* The _ptrgl function is magic. It is used by the AIX
|
||
* compiler to call a function through a pointer.
|
||
*
|
||
* special case XMC_GL, global linkage
|
||
*/
|
||
if (h->smclas == XMC_GL
|
||
|| strcmp (h->root.root.string, "._ptrgl") == 0)
|
||
{
|
||
if (next == 0x4def7b82 /* cror 15,15,15 */
|
||
|| next == 0x4ffffb82 /* cror 31,31,31 */
|
||
|| next == 0x60000000 /* ori r0,r0,0 */)
|
||
bfd_put_32 (input_bfd, (bfd_vma) 0xe8410028 /* ld r2,40(r1) */,
|
||
pnext);
|
||
}
|
||
else
|
||
{
|
||
if (next == 0xe8410028 /* ld r2,40(r1) */)
|
||
bfd_put_32 (input_bfd, (bfd_vma) 0x60000000 /* ori r0,r0,0 */,
|
||
pnext);
|
||
}
|
||
}
|
||
|
||
/* A PC relative reloc includes the section address. */
|
||
if (howto.pc_relative)
|
||
addend += input_section->vma;
|
||
|
||
rstat = _bfd_final_link_relocate (&howto, input_bfd, input_section,
|
||
contents,
|
||
rel->r_vaddr - input_section->vma,
|
||
val, addend);
|
||
|
||
switch (rstat)
|
||
{
|
||
default:
|
||
abort ();
|
||
case bfd_reloc_ok:
|
||
break;
|
||
case bfd_reloc_overflow:
|
||
{
|
||
const char *name;
|
||
char buf[SYMNMLEN + 1];
|
||
char howto_name[10];
|
||
|
||
if (symndx == -1)
|
||
name = "*ABS*";
|
||
else if (h != NULL)
|
||
name = h->root.root.string;
|
||
else
|
||
{
|
||
name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
|
||
if (name == NULL)
|
||
return false;
|
||
}
|
||
sprintf (howto_name, "0x%02x", rel->r_type);
|
||
|
||
if (! ((*info->callbacks->reloc_overflow)
|
||
(info, name, howto_name, (bfd_vma) 0, input_bfd,
|
||
input_section, rel->r_vaddr - input_section->vma)))
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
|
||
/* The XCOFF reloc table. Actually, XCOFF relocations specify the
|
||
bitsize and whether they are signed or not, along with a
|
||
conventional type. This table is for the types, which are used for
|
||
different algorithms for putting in the reloc. Many of these
|
||
relocs need special_function entries, which I have not written. */
|
||
|
||
reloc_howto_type xcoff64_howto_table[] =
|
||
{
|
||
/* Standard 64 bit relocation. */
|
||
HOWTO (R_POS, /* type */
|
||
0, /* rightshift */
|
||
4, /* size (0 = byte, 1 = short, 2 = long) */
|
||
64, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_POS", /* name */
|
||
true, /* partial_inplace */
|
||
MINUS_ONE, /* src_mask */
|
||
MINUS_ONE, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 64 bit relocation, but store negative value. */
|
||
HOWTO (R_NEG, /* type */
|
||
0, /* rightshift */
|
||
-4, /* size (0 = byte, 1 = short, 2 = long) */
|
||
64, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_NEG", /* name */
|
||
true, /* partial_inplace */
|
||
MINUS_ONE, /* src_mask */
|
||
MINUS_ONE, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 32 bit PC relative relocation. */
|
||
HOWTO (R_REL, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
true, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_REL", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 16 bit TOC relative relocation. */
|
||
HOWTO (R_TOC, /* type */
|
||
0, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_TOC", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* I don't really know what this is. */
|
||
HOWTO (R_RTB, /* type */
|
||
1, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_RTB", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* External TOC relative symbol. */
|
||
HOWTO (R_GL, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_GL", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Local TOC relative symbol. */
|
||
HOWTO (R_TCL, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_TCL", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
EMPTY_HOWTO (7),
|
||
|
||
/* Non modifiable absolute branch. */
|
||
HOWTO (R_BA, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
26, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_BA", /* name */
|
||
true, /* partial_inplace */
|
||
0x3fffffc, /* src_mask */
|
||
0x3fffffc, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
EMPTY_HOWTO (9),
|
||
|
||
/* Non modifiable relative branch. */
|
||
HOWTO (R_BR, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
26, /* bitsize */
|
||
true, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_BR", /* name */
|
||
true, /* partial_inplace */
|
||
0x3fffffc, /* src_mask */
|
||
0x3fffffc, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
EMPTY_HOWTO (0xb),
|
||
|
||
/* Indirect load. */
|
||
HOWTO (R_RL, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_RL", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Load address. */
|
||
HOWTO (R_RLA, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_RLA", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
EMPTY_HOWTO (0xe),
|
||
|
||
/* Non-relocating reference. */
|
||
HOWTO (R_REF, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_REF", /* name */
|
||
false, /* partial_inplace */
|
||
0, /* src_mask */
|
||
0, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
EMPTY_HOWTO (0x10),
|
||
EMPTY_HOWTO (0x11),
|
||
|
||
/* TOC relative indirect load. */
|
||
HOWTO (R_TRL, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_TRL", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* TOC relative load address. */
|
||
HOWTO (R_TRLA, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_TRLA", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Modifiable relative branch. */
|
||
HOWTO (R_RRTBI, /* type */
|
||
1, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_RRTBI", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Modifiable absolute branch. */
|
||
HOWTO (R_RRTBA, /* type */
|
||
1, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_RRTBA", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Modifiable call absolute indirect. */
|
||
HOWTO (R_CAI, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_CAI", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Modifiable call relative. */
|
||
HOWTO (R_CREL, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_CREL", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Modifiable branch absolute. */
|
||
HOWTO (R_RBA, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
26, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_RBA", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Modifiable branch absolute. */
|
||
HOWTO (R_RBAC, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_RBAC", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Modifiable branch relative. */
|
||
HOWTO (R_RBR, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
26, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_RBR", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Modifiable branch absolute. */
|
||
HOWTO (R_RBRC, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_RBRC", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
HOWTO (R_POS, /* type */
|
||
0, /* rightshift */
|
||
4, /* size (0 = byte, 1 = short, 2 = long) */
|
||
64, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_POS", /* name */
|
||
true, /* partial_inplace */
|
||
MINUS_ONE, /* src_mask */
|
||
MINUS_ONE, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 16 bit Non modifiable absolute branch. */
|
||
HOWTO (R_BA, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_BA", /* name */
|
||
true, /* partial_inplace */
|
||
0xfffc, /* src_mask */
|
||
0xfffc, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
};
|
||
|
||
void
|
||
xcoff64_rtype2howto (relent, internal)
|
||
arelent *relent;
|
||
struct internal_reloc *internal;
|
||
{
|
||
relent->howto = xcoff64_howto_table + internal->r_type;
|
||
|
||
/* Check for relocs we don't know of. */
|
||
if (internal->r_type
|
||
>= sizeof (xcoff64_howto_table) / sizeof (xcoff64_howto_table[0]))
|
||
abort ();
|
||
if (internal->r_type != relent->howto->type)
|
||
abort ();
|
||
|
||
/* The r_size field of an XCOFF reloc encodes the bitsize of the
|
||
relocation, as well as indicating whether it is signed or not.
|
||
Doublecheck that the relocation information gathered from the
|
||
type matches this information. The bitsize is not significant
|
||
for R_REF relocs. */
|
||
if (relent->howto->dst_mask != 0
|
||
&& (relent->howto->bitsize
|
||
!= ((unsigned int) internal->r_size & 0x3f) + 1))
|
||
abort ();
|
||
#if 0
|
||
if ((internal->r_size & 0x80) != 0
|
||
? (relent->howto->complain_on_overflow != complain_overflow_signed)
|
||
: (relent->howto->complain_on_overflow != complain_overflow_bitfield))
|
||
abort ();
|
||
#endif
|
||
}
|
||
|
||
reloc_howto_type *
|
||
xcoff64_reloc_type_lookup (abfd, code)
|
||
bfd *abfd ATTRIBUTE_UNUSED;
|
||
bfd_reloc_code_real_type code;
|
||
{
|
||
switch (code)
|
||
{
|
||
case BFD_RELOC_PPC_B26:
|
||
return &xcoff64_howto_table[0xa];
|
||
case BFD_RELOC_PPC_BA16:
|
||
return &xcoff64_howto_table[0x1d];
|
||
case BFD_RELOC_PPC_BA26:
|
||
return &xcoff64_howto_table[8];
|
||
case BFD_RELOC_PPC_TOC16:
|
||
return &xcoff64_howto_table[3];
|
||
case BFD_RELOC_32:
|
||
case BFD_RELOC_CTOR:
|
||
return &xcoff64_howto_table[0];
|
||
case BFD_RELOC_64:
|
||
return &xcoff64_howto_table[0x1c];
|
||
default:
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
/* Read in the armap of an XCOFF archive. */
|
||
|
||
static boolean
|
||
xcoff64_slurp_armap (abfd)
|
||
bfd *abfd;
|
||
{
|
||
file_ptr off;
|
||
size_t namlen;
|
||
bfd_size_type sz, amt;
|
||
bfd_byte *contents, *cend;
|
||
bfd_vma c, i;
|
||
carsym *arsym;
|
||
bfd_byte *p;
|
||
file_ptr pos;
|
||
|
||
/* This is for the new format. */
|
||
struct xcoff_ar_hdr_big hdr;
|
||
|
||
if (xcoff_ardata (abfd) == NULL)
|
||
{
|
||
bfd_has_map (abfd) = false;
|
||
return true;
|
||
}
|
||
|
||
off = strtol (xcoff_ardata_big (abfd)->symoff64, (char **) NULL, 10);
|
||
if (off == 0)
|
||
{
|
||
bfd_has_map (abfd) = false;
|
||
return true;
|
||
}
|
||
|
||
if (bfd_seek (abfd, off, SEEK_SET) != 0)
|
||
return false;
|
||
|
||
/* The symbol table starts with a normal archive header. */
|
||
if (bfd_bread ((PTR) &hdr, (bfd_size_type) SIZEOF_AR_HDR_BIG, abfd)
|
||
!= SIZEOF_AR_HDR_BIG)
|
||
return false;
|
||
|
||
/* Skip the name (normally empty). */
|
||
namlen = strtol (hdr.namlen, (char **) NULL, 10);
|
||
pos = ((namlen + 1) & ~(size_t) 1) + SXCOFFARFMAG;
|
||
if (bfd_seek (abfd, pos, SEEK_CUR) != 0)
|
||
return false;
|
||
|
||
/* XXX This actually has to be a call to strtoll (at least on 32-bit
|
||
machines) since the field width is 20 and there numbers with more
|
||
than 32 bits can be represented. */
|
||
sz = strtol (hdr.size, (char **) NULL, 10);
|
||
|
||
/* Read in the entire symbol table. */
|
||
contents = (bfd_byte *) bfd_alloc (abfd, sz);
|
||
if (contents == NULL)
|
||
return false;
|
||
if (bfd_bread ((PTR) contents, sz, abfd) != sz)
|
||
return false;
|
||
|
||
/* The symbol table starts with an eight byte count. */
|
||
c = H_GET_64 (abfd, contents);
|
||
|
||
if (c * 8 >= sz)
|
||
{
|
||
bfd_set_error (bfd_error_bad_value);
|
||
return false;
|
||
}
|
||
amt = c;
|
||
amt *= sizeof (carsym);
|
||
bfd_ardata (abfd)->symdefs = (carsym *) bfd_alloc (abfd, amt);
|
||
if (bfd_ardata (abfd)->symdefs == NULL)
|
||
return false;
|
||
|
||
/* After the count comes a list of eight byte file offsets. */
|
||
for (i = 0, arsym = bfd_ardata (abfd)->symdefs, p = contents + 8;
|
||
i < c;
|
||
++i, ++arsym, p += 8)
|
||
arsym->file_offset = H_GET_64 (abfd, p);
|
||
|
||
/* After the file offsets come null terminated symbol names. */
|
||
cend = contents + sz;
|
||
for (i = 0, arsym = bfd_ardata (abfd)->symdefs;
|
||
i < c;
|
||
++i, ++arsym, p += strlen ((char *) p) + 1)
|
||
{
|
||
if (p >= cend)
|
||
{
|
||
bfd_set_error (bfd_error_bad_value);
|
||
return false;
|
||
}
|
||
arsym->name = (char *) p;
|
||
}
|
||
|
||
bfd_ardata (abfd)->symdef_count = c;
|
||
bfd_has_map (abfd) = true;
|
||
|
||
return true;
|
||
}
|
||
|
||
|
||
/* See if this is an NEW XCOFF archive. */
|
||
|
||
static const bfd_target *
|
||
xcoff64_archive_p (abfd)
|
||
bfd *abfd;
|
||
{
|
||
char magic[SXCOFFARMAG];
|
||
/* This is the new format. */
|
||
struct xcoff_ar_file_hdr_big hdr;
|
||
bfd_size_type amt = SXCOFFARMAG;
|
||
|
||
if (bfd_bread ((PTR) magic, amt, abfd) != amt)
|
||
{
|
||
if (bfd_get_error () != bfd_error_system_call)
|
||
bfd_set_error (bfd_error_wrong_format);
|
||
return NULL;
|
||
}
|
||
|
||
if (strncmp (magic, XCOFFARMAGBIG, SXCOFFARMAG) != 0)
|
||
{
|
||
bfd_set_error (bfd_error_wrong_format);
|
||
return NULL;
|
||
}
|
||
|
||
/* We are setting bfd_ardata(abfd) here, but since bfd_ardata
|
||
involves a cast, we can't do it as the left operand of
|
||
assignment. */
|
||
amt = sizeof (struct artdata);
|
||
abfd->tdata.aout_ar_data = (struct artdata *) bfd_zalloc (abfd, amt);
|
||
|
||
if (bfd_ardata (abfd) == (struct artdata *) NULL)
|
||
return NULL;
|
||
|
||
bfd_ardata (abfd)->cache = NULL;
|
||
bfd_ardata (abfd)->archive_head = NULL;
|
||
bfd_ardata (abfd)->symdefs = NULL;
|
||
bfd_ardata (abfd)->extended_names = NULL;
|
||
|
||
/* Copy over the magic string. */
|
||
memcpy (hdr.magic, magic, SXCOFFARMAG);
|
||
|
||
/* Now read the rest of the file header. */
|
||
if (bfd_bread ((PTR) &hdr.memoff,
|
||
(bfd_size_type) (SIZEOF_AR_FILE_HDR_BIG - SXCOFFARMAG),
|
||
abfd) != SIZEOF_AR_FILE_HDR_BIG - SXCOFFARMAG)
|
||
{
|
||
if (bfd_get_error () != bfd_error_system_call)
|
||
bfd_set_error (bfd_error_wrong_format);
|
||
return NULL;
|
||
}
|
||
|
||
/* XXX This actually has to be a call to strtoll (at least on 32-bit
|
||
machines) since the field width is 20 and there numbers with more
|
||
than 32 bits can be represented. */
|
||
bfd_ardata (abfd)->first_file_filepos = strtol (hdr.firstmemoff,
|
||
(char **) NULL, 10);
|
||
|
||
amt = SIZEOF_AR_FILE_HDR_BIG;
|
||
bfd_ardata (abfd)->tdata = bfd_zalloc (abfd, amt);
|
||
if (bfd_ardata (abfd)->tdata == NULL)
|
||
return NULL;
|
||
|
||
memcpy (bfd_ardata (abfd)->tdata, &hdr, SIZEOF_AR_FILE_HDR_BIG);
|
||
|
||
if (! xcoff64_slurp_armap (abfd))
|
||
{
|
||
bfd_release (abfd, bfd_ardata (abfd));
|
||
abfd->tdata.aout_ar_data = (struct artdata *) NULL;
|
||
return NULL;
|
||
}
|
||
|
||
return abfd->xvec;
|
||
}
|
||
|
||
|
||
/* Open the next element in an XCOFF archive. */
|
||
|
||
static bfd *
|
||
xcoff64_openr_next_archived_file (archive, last_file)
|
||
bfd *archive;
|
||
bfd *last_file;
|
||
{
|
||
file_ptr filestart;
|
||
|
||
if ((xcoff_ardata (archive) == NULL)
|
||
|| ! xcoff_big_format_p (archive))
|
||
{
|
||
bfd_set_error (bfd_error_invalid_operation);
|
||
return NULL;
|
||
}
|
||
|
||
if (last_file == NULL)
|
||
{
|
||
filestart = bfd_ardata (archive)->first_file_filepos;
|
||
}
|
||
else
|
||
{
|
||
/* XXX These actually have to be a calls to strtoll (at least
|
||
on 32-bit machines) since the fields's width is 20 and
|
||
there numbers with more than 32 bits can be represented. */
|
||
filestart = strtol (arch_xhdr_big (last_file)->nextoff, (char **) NULL,
|
||
10);
|
||
}
|
||
/* XXX These actually have to be calls to strtoll (at least on 32-bit
|
||
machines) since the fields's width is 20 and there numbers with more
|
||
than 32 bits can be represented. */
|
||
if (filestart == 0
|
||
|| filestart == strtol (xcoff_ardata_big (archive)->memoff,
|
||
(char **) NULL, 10)
|
||
|| filestart == strtol (xcoff_ardata_big (archive)->symoff,
|
||
(char **) NULL, 10))
|
||
{
|
||
bfd_set_error (bfd_error_no_more_archived_files);
|
||
return NULL;
|
||
}
|
||
|
||
return _bfd_get_elt_at_filepos (archive, filestart);
|
||
}
|
||
|
||
/* We can't use the usual coff_sizeof_headers routine, because AIX
|
||
always uses an a.out header. */
|
||
|
||
/*ARGSUSED*/
|
||
static int
|
||
xcoff64_sizeof_headers (abfd, reloc)
|
||
bfd *abfd;
|
||
boolean reloc ATTRIBUTE_UNUSED;
|
||
{
|
||
int size;
|
||
|
||
size = bfd_coff_filhsz (abfd);
|
||
|
||
/* Don't think the small aout header can be used since some of the
|
||
old elements have been reordered past the end of the old coff
|
||
small aout size. */
|
||
|
||
if (xcoff_data (abfd)->full_aouthdr)
|
||
size += bfd_coff_aoutsz (abfd);
|
||
|
||
size += abfd->section_count * bfd_coff_scnhsz (abfd);
|
||
return size;
|
||
}
|
||
|
||
|
||
|
||
static asection *
|
||
xcoff64_create_csect_from_smclas (abfd, aux, symbol_name)
|
||
bfd *abfd;
|
||
union internal_auxent *aux;
|
||
const char *symbol_name;
|
||
{
|
||
asection *return_value = NULL;
|
||
|
||
/* Changes from 32 :
|
||
.sv == 8, is only for 32 bit programs
|
||
.ti == 12 and .tb == 13 are now reserved. */
|
||
static const char *names[19] =
|
||
{
|
||
".pr", ".ro", ".db", ".tc", ".ua", ".rw", ".gl", ".xo",
|
||
NULL, ".bs", ".ds", ".uc", NULL, NULL, NULL, ".tc0",
|
||
".td", ".sv64", ".sv3264"
|
||
};
|
||
|
||
if ((19 >= aux->x_csect.x_smclas)
|
||
&& (NULL != names[aux->x_csect.x_smclas]))
|
||
{
|
||
|
||
return_value = bfd_make_section_anyway
|
||
(abfd, names[aux->x_csect.x_smclas]);
|
||
|
||
}
|
||
else
|
||
{
|
||
(*_bfd_error_handler)
|
||
(_("%s: symbol `%s' has unrecognized smclas %d"),
|
||
bfd_archive_filename (abfd), symbol_name, aux->x_csect.x_smclas);
|
||
bfd_set_error (bfd_error_bad_value);
|
||
}
|
||
|
||
return return_value;
|
||
}
|
||
|
||
static boolean
|
||
xcoff64_is_lineno_count_overflow (abfd, value)
|
||
bfd *abfd ATTRIBUTE_UNUSED;
|
||
bfd_vma value ATTRIBUTE_UNUSED;
|
||
{
|
||
return false;
|
||
}
|
||
|
||
static boolean
|
||
xcoff64_is_reloc_count_overflow (abfd, value)
|
||
bfd *abfd ATTRIBUTE_UNUSED;
|
||
bfd_vma value ATTRIBUTE_UNUSED;
|
||
{
|
||
return false;
|
||
}
|
||
|
||
static bfd_vma
|
||
xcoff64_loader_symbol_offset (abfd, ldhdr)
|
||
bfd *abfd ATTRIBUTE_UNUSED;
|
||
struct internal_ldhdr *ldhdr;
|
||
{
|
||
return (ldhdr->l_symoff);
|
||
}
|
||
|
||
static bfd_vma
|
||
xcoff64_loader_reloc_offset (abfd, ldhdr)
|
||
bfd *abfd ATTRIBUTE_UNUSED;
|
||
struct internal_ldhdr *ldhdr;
|
||
{
|
||
return (ldhdr->l_rldoff);
|
||
}
|
||
|
||
static boolean
|
||
xcoff64_bad_format_hook (abfd, filehdr)
|
||
bfd * abfd;
|
||
PTR filehdr;
|
||
{
|
||
struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
|
||
|
||
/* Check flavor first. */
|
||
if (bfd_get_flavour (abfd) != bfd_target_xcoff_flavour)
|
||
return false;
|
||
|
||
if (bfd_xcoff_magic_number (abfd) != internal_f->f_magic)
|
||
return false;
|
||
|
||
return true;
|
||
}
|
||
|
||
static boolean
|
||
xcoff64_generate_rtinit (abfd, init, fini, rtld)
|
||
bfd *abfd;
|
||
const char *init;
|
||
const char *fini;
|
||
boolean rtld;
|
||
{
|
||
bfd_byte filehdr_ext[FILHSZ];
|
||
bfd_byte scnhdr_ext[SCNHSZ * 3];
|
||
bfd_byte syment_ext[SYMESZ * 10];
|
||
bfd_byte reloc_ext[RELSZ * 3];
|
||
bfd_byte *data_buffer;
|
||
bfd_size_type data_buffer_size;
|
||
bfd_byte *string_table, *st_tmp;
|
||
bfd_size_type string_table_size;
|
||
bfd_vma val;
|
||
size_t initsz, finisz;
|
||
struct internal_filehdr filehdr;
|
||
struct internal_scnhdr text_scnhdr;
|
||
struct internal_scnhdr data_scnhdr;
|
||
struct internal_scnhdr bss_scnhdr;
|
||
struct internal_syment syment;
|
||
union internal_auxent auxent;
|
||
struct internal_reloc reloc;
|
||
|
||
char *text_name = ".text";
|
||
char *data_name = ".data";
|
||
char *bss_name = ".bss";
|
||
char *rtinit_name = "__rtinit";
|
||
char *rtld_name = "__rtld";
|
||
|
||
if (! bfd_xcoff_rtinit_size (abfd))
|
||
return false;
|
||
|
||
initsz = (init == NULL ? 0 : 1 + strlen (init));
|
||
finisz = (fini == NULL ? 0 : 1 + strlen (fini));
|
||
|
||
/* File header. */
|
||
memset (filehdr_ext, 0, FILHSZ);
|
||
memset (&filehdr, 0, sizeof (struct internal_filehdr));
|
||
filehdr.f_magic = bfd_xcoff_magic_number (abfd);
|
||
filehdr.f_nscns = 3;
|
||
filehdr.f_timdat = 0;
|
||
filehdr.f_nsyms = 0; /* at least 6, no more than 8 */
|
||
filehdr.f_symptr = 0; /* set below */
|
||
filehdr.f_opthdr = 0;
|
||
filehdr.f_flags = 0;
|
||
|
||
/* Section headers. */
|
||
memset (scnhdr_ext, 0, 3 * SCNHSZ);
|
||
|
||
/* Text. */
|
||
memset (&text_scnhdr, 0, sizeof (struct internal_scnhdr));
|
||
memcpy (text_scnhdr.s_name, text_name, strlen (text_name));
|
||
text_scnhdr.s_paddr = 0;
|
||
text_scnhdr.s_vaddr = 0;
|
||
text_scnhdr.s_size = 0;
|
||
text_scnhdr.s_scnptr = 0;
|
||
text_scnhdr.s_relptr = 0;
|
||
text_scnhdr.s_lnnoptr = 0;
|
||
text_scnhdr.s_nreloc = 0;
|
||
text_scnhdr.s_nlnno = 0;
|
||
text_scnhdr.s_flags = STYP_TEXT;
|
||
|
||
/* Data. */
|
||
memset (&data_scnhdr, 0, sizeof (struct internal_scnhdr));
|
||
memcpy (data_scnhdr.s_name, data_name, strlen (data_name));
|
||
data_scnhdr.s_paddr = 0;
|
||
data_scnhdr.s_vaddr = 0;
|
||
data_scnhdr.s_size = 0; /* set below */
|
||
data_scnhdr.s_scnptr = FILHSZ + 3 * SCNHSZ;
|
||
data_scnhdr.s_relptr = 0; /* set below */
|
||
data_scnhdr.s_lnnoptr = 0;
|
||
data_scnhdr.s_nreloc = 0; /* either 1 or 2 */
|
||
data_scnhdr.s_nlnno = 0;
|
||
data_scnhdr.s_flags = STYP_DATA;
|
||
|
||
/* Bss. */
|
||
memset (&bss_scnhdr, 0, sizeof (struct internal_scnhdr));
|
||
memcpy (bss_scnhdr.s_name, bss_name, strlen (bss_name));
|
||
bss_scnhdr.s_paddr = 0; /* set below */
|
||
bss_scnhdr.s_vaddr = 0; /* set below */
|
||
bss_scnhdr.s_size = 0; /* set below */
|
||
bss_scnhdr.s_scnptr = 0;
|
||
bss_scnhdr.s_relptr = 0;
|
||
bss_scnhdr.s_lnnoptr = 0;
|
||
bss_scnhdr.s_nreloc = 0;
|
||
bss_scnhdr.s_nlnno = 0;
|
||
bss_scnhdr.s_flags = STYP_BSS;
|
||
|
||
/* .data
|
||
0x0000 0x00000000 : rtl
|
||
0x0004 0x00000000 :
|
||
0x0008 0x00000018 : offset to init, or 0
|
||
0x000C 0x00000038 : offset to fini, or 0
|
||
0x0010 0x00000010 : size of descriptor
|
||
0x0014 0x00000000 : pad
|
||
0x0018 0x00000000 : init, needs a reloc
|
||
0x001C 0x00000000 :
|
||
0x0020 0x00000058 : offset to init name
|
||
0x0024 0x00000000 : flags, padded to a word
|
||
0x0028 0x00000000 : empty init
|
||
0x002C 0x00000000 :
|
||
0x0030 0x00000000 :
|
||
0x0034 0x00000000 :
|
||
0x0038 0x00000000 : fini, needs a reloc
|
||
0x003C 0x00000000 :
|
||
0x0040 0x00000??? : offset to fini name
|
||
0x0044 0x00000000 : flags, padded to a word
|
||
0x0048 0x00000000 : empty fini
|
||
0x004C 0x00000000 :
|
||
0x0050 0x00000000 :
|
||
0x0054 0x00000000 :
|
||
0x0058 init name
|
||
0x0058 + initsz fini name */
|
||
|
||
data_buffer_size = 0x0058 + initsz + finisz;
|
||
data_buffer_size += (data_buffer_size & 7) ? 8 - (data_buffer_size & 7) : 0;
|
||
data_buffer = NULL;
|
||
data_buffer = (bfd_byte *)bfd_malloc (data_buffer_size);
|
||
if (data_buffer == NULL)
|
||
return false;
|
||
|
||
memset (data_buffer, 0, data_buffer_size);
|
||
|
||
if (initsz)
|
||
{
|
||
val = 0x18;
|
||
bfd_put_32 (abfd, val, &data_buffer[0x08]);
|
||
val = 0x58;
|
||
bfd_put_32 (abfd, val, &data_buffer[0x20]);
|
||
memcpy (&data_buffer[val], init, initsz);
|
||
}
|
||
|
||
if (finisz)
|
||
{
|
||
val = 0x38;
|
||
bfd_put_32 (abfd, val, &data_buffer[0x0C]);
|
||
val = 0x58 + initsz;
|
||
bfd_put_32 (abfd, val, &data_buffer[0x40]);
|
||
memcpy (&data_buffer[val], fini, finisz);
|
||
}
|
||
|
||
val = 0x10;
|
||
bfd_put_32 (abfd, val, &data_buffer[0x10]);
|
||
data_scnhdr.s_size = data_buffer_size;
|
||
bss_scnhdr.s_paddr = bss_scnhdr.s_vaddr = data_scnhdr.s_size;
|
||
|
||
/* String table. */
|
||
string_table_size = 4;
|
||
string_table_size += strlen (data_name) + 1;
|
||
string_table_size += strlen (rtinit_name) + 1;
|
||
string_table_size += initsz;
|
||
string_table_size += finisz;
|
||
if (true == rtld)
|
||
string_table_size += strlen (rtld_name) + 1;
|
||
|
||
string_table = (bfd_byte *)bfd_malloc (string_table_size);
|
||
memset (string_table, 0, string_table_size);
|
||
val = string_table_size;
|
||
bfd_put_32 (abfd, val, &string_table[0]);
|
||
st_tmp = string_table + 4;
|
||
|
||
/* symbols
|
||
0. .data csect
|
||
2. __rtinit
|
||
4. init function
|
||
6. fini function
|
||
8. __rtld */
|
||
memset (syment_ext, 0, 10 * SYMESZ);
|
||
memset (reloc_ext, 0, 3 * RELSZ);
|
||
|
||
/* .data csect */
|
||
memset (&syment, 0, sizeof (struct internal_syment));
|
||
memset (&auxent, 0, sizeof (union internal_auxent));
|
||
|
||
syment._n._n_n._n_offset = st_tmp - string_table;
|
||
memcpy (st_tmp, data_name, strlen (data_name));
|
||
st_tmp += strlen (data_name) + 1;
|
||
|
||
syment.n_scnum = 2;
|
||
syment.n_sclass = C_HIDEXT;
|
||
syment.n_numaux = 1;
|
||
auxent.x_csect.x_scnlen.l = data_buffer_size;
|
||
auxent.x_csect.x_smtyp = 3 << 3 | XTY_SD;
|
||
auxent.x_csect.x_smclas = XMC_RW;
|
||
bfd_coff_swap_sym_out (abfd, &syment,
|
||
&syment_ext[filehdr.f_nsyms * SYMESZ]);
|
||
bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
|
||
syment.n_numaux,
|
||
&syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
|
||
filehdr.f_nsyms += 2;
|
||
|
||
/* __rtinit */
|
||
memset (&syment, 0, sizeof (struct internal_syment));
|
||
memset (&auxent, 0, sizeof (union internal_auxent));
|
||
syment._n._n_n._n_offset = st_tmp - string_table;
|
||
memcpy (st_tmp, rtinit_name, strlen (rtinit_name));
|
||
st_tmp += strlen (rtinit_name) + 1;
|
||
|
||
syment.n_scnum = 2;
|
||
syment.n_sclass = C_EXT;
|
||
syment.n_numaux = 1;
|
||
auxent.x_csect.x_smtyp = XTY_LD;
|
||
auxent.x_csect.x_smclas = XMC_RW;
|
||
bfd_coff_swap_sym_out (abfd, &syment,
|
||
&syment_ext[filehdr.f_nsyms * SYMESZ]);
|
||
bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
|
||
syment.n_numaux,
|
||
&syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
|
||
filehdr.f_nsyms += 2;
|
||
|
||
/* Init. */
|
||
if (initsz)
|
||
{
|
||
memset (&syment, 0, sizeof (struct internal_syment));
|
||
memset (&auxent, 0, sizeof (union internal_auxent));
|
||
|
||
syment._n._n_n._n_offset = st_tmp - string_table;
|
||
memcpy (st_tmp, init, initsz);
|
||
st_tmp += initsz;
|
||
|
||
syment.n_sclass = C_EXT;
|
||
syment.n_numaux = 1;
|
||
bfd_coff_swap_sym_out (abfd, &syment,
|
||
&syment_ext[filehdr.f_nsyms * SYMESZ]);
|
||
bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
|
||
syment.n_numaux,
|
||
&syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
|
||
/* Reloc. */
|
||
memset (&reloc, 0, sizeof (struct internal_reloc));
|
||
reloc.r_vaddr = 0x0018;
|
||
reloc.r_symndx = filehdr.f_nsyms;
|
||
reloc.r_type = R_POS;
|
||
reloc.r_size = 63;
|
||
bfd_coff_swap_reloc_out (abfd, &reloc, &reloc_ext[0]);
|
||
|
||
filehdr.f_nsyms += 2;
|
||
data_scnhdr.s_nreloc += 1;
|
||
}
|
||
|
||
/* Finit. */
|
||
if (finisz)
|
||
{
|
||
memset (&syment, 0, sizeof (struct internal_syment));
|
||
memset (&auxent, 0, sizeof (union internal_auxent));
|
||
|
||
syment._n._n_n._n_offset = st_tmp - string_table;
|
||
memcpy (st_tmp, fini, finisz);
|
||
st_tmp += finisz;
|
||
|
||
syment.n_sclass = C_EXT;
|
||
syment.n_numaux = 1;
|
||
bfd_coff_swap_sym_out (abfd, &syment,
|
||
&syment_ext[filehdr.f_nsyms * SYMESZ]);
|
||
bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
|
||
syment.n_numaux,
|
||
&syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
|
||
|
||
/* Reloc. */
|
||
memset (&reloc, 0, sizeof (struct internal_reloc));
|
||
reloc.r_vaddr = 0x0038;
|
||
reloc.r_symndx = filehdr.f_nsyms;
|
||
reloc.r_type = R_POS;
|
||
reloc.r_size = 63;
|
||
bfd_coff_swap_reloc_out (abfd, &reloc,
|
||
&reloc_ext[data_scnhdr.s_nreloc * RELSZ]);
|
||
|
||
filehdr.f_nsyms += 2;
|
||
data_scnhdr.s_nreloc += 1;
|
||
}
|
||
|
||
if (rtld)
|
||
{
|
||
memset (&syment, 0, sizeof (struct internal_syment));
|
||
memset (&auxent, 0, sizeof (union internal_auxent));
|
||
|
||
syment._n._n_n._n_offset = st_tmp - string_table;
|
||
memcpy (st_tmp, rtld_name, strlen (rtld_name));
|
||
st_tmp += strlen (rtld_name) + 1;
|
||
|
||
syment.n_sclass = C_EXT;
|
||
syment.n_numaux = 1;
|
||
bfd_coff_swap_sym_out (abfd, &syment,
|
||
&syment_ext[filehdr.f_nsyms * SYMESZ]);
|
||
bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
|
||
syment.n_numaux,
|
||
&syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
|
||
|
||
/* Reloc. */
|
||
memset (&reloc, 0, sizeof (struct internal_reloc));
|
||
reloc.r_vaddr = 0x0000;
|
||
reloc.r_symndx = filehdr.f_nsyms;
|
||
reloc.r_type = R_POS;
|
||
reloc.r_size = 63;
|
||
bfd_coff_swap_reloc_out (abfd, &reloc,
|
||
&reloc_ext[data_scnhdr.s_nreloc * RELSZ]);
|
||
|
||
filehdr.f_nsyms += 2;
|
||
data_scnhdr.s_nreloc += 1;
|
||
|
||
bss_scnhdr.s_size = 0;
|
||
}
|
||
|
||
data_scnhdr.s_relptr = data_scnhdr.s_scnptr + data_buffer_size;
|
||
filehdr.f_symptr = data_scnhdr.s_relptr + data_scnhdr.s_nreloc * RELSZ;
|
||
|
||
bfd_coff_swap_filehdr_out (abfd, &filehdr, filehdr_ext);
|
||
bfd_bwrite (filehdr_ext, FILHSZ, abfd);
|
||
bfd_coff_swap_scnhdr_out (abfd, &text_scnhdr, &scnhdr_ext[SCNHSZ * 0]);
|
||
bfd_coff_swap_scnhdr_out (abfd, &data_scnhdr, &scnhdr_ext[SCNHSZ * 1]);
|
||
bfd_coff_swap_scnhdr_out (abfd, &bss_scnhdr, &scnhdr_ext[SCNHSZ * 2]);
|
||
bfd_bwrite (scnhdr_ext, 3 * SCNHSZ, abfd);
|
||
bfd_bwrite (data_buffer, data_buffer_size, abfd);
|
||
bfd_bwrite (reloc_ext, data_scnhdr.s_nreloc * RELSZ, abfd);
|
||
bfd_bwrite (syment_ext, filehdr.f_nsyms * SYMESZ, abfd);
|
||
bfd_bwrite (string_table, string_table_size, abfd);
|
||
|
||
free (data_buffer);
|
||
data_buffer = NULL;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* The typical dynamic reloc. */
|
||
|
||
static reloc_howto_type xcoff64_dynamic_reloc =
|
||
HOWTO (0, /* type */
|
||
0, /* rightshift */
|
||
4, /* size (0 = byte, 1 = short, 2 = long) */
|
||
64, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_POS", /* name */
|
||
true, /* partial_inplace */
|
||
MINUS_ONE, /* src_mask */
|
||
MINUS_ONE, /* dst_mask */
|
||
false); /* pcrel_offset */
|
||
|
||
static unsigned long xcoff64_glink_code[10] =
|
||
{
|
||
0xe9820000, /* ld r12,0(r2) */
|
||
0xf8410028, /* std r2,40(r1) */
|
||
0xe80c0000, /* ld r0,0(r12) */
|
||
0xe84c0008, /* ld r0,8(r12) */
|
||
0x7c0903a6, /* mtctr r0 */
|
||
0x4e800420, /* bctr */
|
||
0x00000000, /* start of traceback table */
|
||
0x000ca000, /* traceback table */
|
||
0x00000000, /* traceback table */
|
||
0x00000018, /* ??? */
|
||
};
|
||
|
||
static const struct xcoff_backend_data_rec bfd_xcoff_backend_data =
|
||
{
|
||
{ /* COFF backend, defined in libcoff.h. */
|
||
_bfd_xcoff64_swap_aux_in, /* _bfd_coff_swap_aux_in */
|
||
_bfd_xcoff64_swap_sym_in, /* _bfd_coff_swap_sym_in */
|
||
_bfd_xcoff64_swap_lineno_in, /* _bfd_coff_swap_lineno_in */
|
||
_bfd_xcoff64_swap_aux_out, /* _bfd_swap_aux_out */
|
||
_bfd_xcoff64_swap_sym_out, /* _bfd_swap_sym_out */
|
||
_bfd_xcoff64_swap_lineno_out, /* _bfd_swap_lineno_out */
|
||
coff_swap_reloc_out, /* _bfd_swap_reloc_out */
|
||
coff_swap_filehdr_out, /* _bfd_swap_filehdr_out */
|
||
coff_swap_aouthdr_out, /* _bfd_swap_aouthdr_out */
|
||
coff_swap_scnhdr_out, /* _bfd_swap_scnhdr_out */
|
||
FILHSZ, /* _bfd_filhsz */
|
||
AOUTSZ, /* _bfd_aoutsz */
|
||
SCNHSZ, /* _bfd_scnhsz */
|
||
SYMESZ, /* _bfd_symesz */
|
||
AUXESZ, /* _bfd_auxesz */
|
||
RELSZ, /* _bfd_relsz */
|
||
LINESZ, /* _bfd_linesz */
|
||
FILNMLEN, /* _bfd_filnmlen */
|
||
true, /* _bfd_coff_long_filenames */
|
||
false, /* _bfd_coff_long_section_names */
|
||
(3), /* _bfd_coff_default_section_alignment_power */
|
||
true, /* _bfd_coff_force_symnames_in_strings */
|
||
4, /* _bfd_coff_debug_string_prefix_length */
|
||
coff_swap_filehdr_in, /* _bfd_coff_swap_filehdr_in */
|
||
coff_swap_aouthdr_in, /* _bfd_swap_aouthdr_in */
|
||
coff_swap_scnhdr_in, /* _bfd_swap_scnhdr_in */
|
||
coff_swap_reloc_in, /* _bfd_reloc_in */
|
||
xcoff64_bad_format_hook, /* _bfd_bad_format_hook */
|
||
coff_set_arch_mach_hook, /* _bfd_set_arch_mach_hook */
|
||
coff_mkobject_hook, /* _bfd_mkobject_hook */
|
||
styp_to_sec_flags, /* _bfd_syp_to_sec_flags */
|
||
coff_set_alignment_hook, /* _bfd_set_alignment_hook */
|
||
coff_slurp_symbol_table, /* _bfd_coff_slurp_symbol_table */
|
||
symname_in_debug_hook, /* _coff_symname_in_debug_hook */
|
||
coff_pointerize_aux_hook, /* _bfd_coff_pointerize_aux_hook */
|
||
coff_print_aux, /* bfd_coff_print_aux */
|
||
dummy_reloc16_extra_cases, /* _bfd_coff_reloc16_extra_cases */
|
||
dummy_reloc16_estimate, /* _bfd_coff_reloc16_estimate */
|
||
NULL, /* bfd_coff_sym_is_global */
|
||
/* _bfd_coff_compute_section_file_positions */
|
||
coff_compute_section_file_positions,
|
||
NULL , /* _bfd_coff_start_final_link */
|
||
xcoff64_ppc_relocate_section, /* _bfd_coff_relocate_section */
|
||
coff_rtype_to_howto, /* _bfd_coff_rtype_to_howto */
|
||
NULL , /* _bfd_coff_addust_symndx */
|
||
_bfd_generic_link_add_one_symbol, /* _bfd_coff_add_one_symbol */
|
||
coff_link_output_has_begun, /* _bfd_coff_link_output_has_begun */
|
||
coff_final_link_postscript /* _bfd_coff_final_link_postscript */
|
||
},
|
||
|
||
0x01EF, /* magic number */
|
||
bfd_arch_powerpc, /* architecture */
|
||
bfd_mach_ppc_620, /* machine */
|
||
|
||
/* Function pointers to xcoff specific swap routines. */
|
||
xcoff64_swap_ldhdr_in, /* _xcoff_swap_ldhdr_in */
|
||
xcoff64_swap_ldhdr_out, /* _xcoff_swap_ldhdr_out */
|
||
xcoff64_swap_ldsym_in, /* _xcoff_swap_ldsym_in */
|
||
xcoff64_swap_ldsym_out, /* _xcoff_swap_ldsym_out */
|
||
xcoff64_swap_ldrel_in, /* _xcoff_swap_ldrel_in */
|
||
xcoff64_swap_ldrel_out, /* _xcoff_swap_ldrel_out */
|
||
|
||
/* Sizes. */
|
||
LDHDRSZ, /* _xcoff_ldhdrsz */
|
||
LDSYMSZ, /* _xcoff_ldsymsz */
|
||
LDRELSZ, /* _xcoff_ldrelsz */
|
||
24, /* _xcoff_function_descriptor_size */
|
||
0, /* _xcoff_small_aout_header_size */
|
||
|
||
/* Versions. */
|
||
2, /* _xcoff_ldhdr_version */
|
||
|
||
/* xcoff vs xcoff64 putting symbol names. */
|
||
_bfd_xcoff64_put_symbol_name, /* _xcoff_put_symbol_name */
|
||
_bfd_xcoff64_put_ldsymbol_name, /* _xcoff_put_ldsymbol_name */
|
||
|
||
/* Dynamic reloc howto. */
|
||
&xcoff64_dynamic_reloc,
|
||
|
||
xcoff64_create_csect_from_smclas,
|
||
|
||
/* Lineno and reloc count overflow. */
|
||
xcoff64_is_lineno_count_overflow,
|
||
xcoff64_is_reloc_count_overflow,
|
||
|
||
xcoff64_loader_symbol_offset,
|
||
xcoff64_loader_reloc_offset,
|
||
|
||
/* glink. */
|
||
&xcoff64_glink_code[0],
|
||
40, /* _xcoff_glink_size */
|
||
|
||
/* rtinit. */
|
||
88, /* _xcoff_rtinit_size */
|
||
xcoff64_generate_rtinit, /* _xcoff_generate_rtinit */
|
||
};
|
||
|
||
/* The transfer vector that leads the outside world to all of the above. */
|
||
const bfd_target rs6000coff64_vec =
|
||
{
|
||
"aixcoff64-rs6000",
|
||
bfd_target_xcoff_flavour,
|
||
BFD_ENDIAN_BIG, /* data byte order is big */
|
||
BFD_ENDIAN_BIG, /* header byte order is big */
|
||
|
||
(HAS_RELOC | EXEC_P | /* object flags */
|
||
HAS_LINENO | HAS_DEBUG | DYNAMIC |
|
||
HAS_SYMS | HAS_LOCALS | WP_TEXT),
|
||
|
||
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
|
||
0, /* leading char */
|
||
'/', /* ar_pad_char */
|
||
15, /* ar_max_namelen??? FIXMEmgo */
|
||
|
||
/* data */
|
||
bfd_getb64, /* bfd_getx64 */
|
||
bfd_getb_signed_64, /* bfd_getx_signed_64 */
|
||
bfd_putb64, /* bfd_putx64 */
|
||
bfd_getb32, /* bfd_getx32 */
|
||
bfd_getb_signed_32, /* bfd_getx_signed_32 */
|
||
bfd_putb32, /* bfd_putx32 */
|
||
bfd_getb16, /* bfd_getx16 */
|
||
bfd_getb_signed_16, /* bfd_getx_signed_16 */
|
||
bfd_putb16, /* bfd_putx16 */
|
||
|
||
/* hdrs */
|
||
bfd_getb64, /* bfd_h_getx64 */
|
||
bfd_getb_signed_64, /* bfd_h_getx_signed_64 */
|
||
bfd_putb64, /* bfd_h_putx64 */
|
||
bfd_getb32, /* bfd_h_getx32 */
|
||
bfd_getb_signed_32, /* bfd_h_getx_signed_32 */
|
||
bfd_putb32, /* bfd_h_putx32 */
|
||
bfd_getb16, /* bfd_h_getx16 */
|
||
bfd_getb_signed_16, /* bfd_h_getx_signed_16 */
|
||
bfd_putb16, /* bfd_h_putx16 */
|
||
|
||
{ /* bfd_check_format */
|
||
_bfd_dummy_target,
|
||
coff_object_p,
|
||
xcoff64_archive_p,
|
||
CORE_FILE_P
|
||
},
|
||
|
||
{ /* bfd_set_format */
|
||
bfd_false,
|
||
coff_mkobject,
|
||
_bfd_generic_mkarchive,
|
||
bfd_false
|
||
},
|
||
|
||
{/* bfd_write_contents */
|
||
bfd_false,
|
||
xcoff64_write_object_contents,
|
||
_bfd_xcoff_write_archive_contents,
|
||
bfd_false
|
||
},
|
||
|
||
/* Generic */
|
||
bfd_true, /* _close_and_cleanup */
|
||
bfd_true, /* _bfd_free_cached_info */
|
||
coff_new_section_hook, /* _new_section_hook */
|
||
_bfd_generic_get_section_contents, /* _bfd_get_section_contents */
|
||
/* _bfd_get_section_contents_in_window */
|
||
_bfd_generic_get_section_contents_in_window,
|
||
|
||
/* Copy */
|
||
_bfd_xcoff_copy_private_bfd_data, /* _bfd_copy_private_bfd */
|
||
/* _bfd_merge_private_bfd_data */
|
||
((boolean (*) (bfd *, bfd *)) bfd_true),
|
||
/* _bfd_copy_pivate_section_data */
|
||
((boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true),
|
||
/* _bfd_copy_private_symbol_data */
|
||
((boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true),
|
||
((boolean (*) (bfd *, flagword)) bfd_true), /* _bfd_set_private_flags */
|
||
((boolean (*) (bfd *, void * )) bfd_true), /* _bfd_print_private_bfd_data */
|
||
|
||
/* Core */
|
||
coff_core_file_failing_command, /* _core_file_failing_command */
|
||
coff_core_file_failing_signal, /* _core_file_failing_signal */
|
||
coff_core_file_matches_executable_p, /* _core_file_matches_executable_p */
|
||
|
||
/* Archive */
|
||
xcoff64_slurp_armap, /* _slurp_armap */
|
||
/* XCOFF archives do not have anything which corresponds to an
|
||
extended name table. */
|
||
bfd_false, /* _slurp_extended_name_table */
|
||
/* _construct_extended_name_table */
|
||
((boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_false),
|
||
bfd_dont_truncate_arname, /* _truncate_arname */
|
||
_bfd_xcoff_write_armap, /* _write_armap */
|
||
_bfd_xcoff_read_ar_hdr, /* _read_ar_hdr */
|
||
xcoff64_openr_next_archived_file, /* _openr_next_archived_file */
|
||
_bfd_generic_get_elt_at_index, /* _get_elt_at_index */
|
||
_bfd_xcoff_stat_arch_elt, /* _generic_stat_arch_elt */
|
||
/* XCOFF archives do not have a timestamp. */
|
||
bfd_true, /* _update_armap_timestamp */
|
||
|
||
/* Symbols */
|
||
coff_get_symtab_upper_bound, /* _get_symtab_upper_bound */
|
||
coff_get_symtab, /* _get_symtab */
|
||
coff_make_empty_symbol, /* _make_empty_symbol */
|
||
coff_print_symbol, /* _print_symbol */
|
||
coff_get_symbol_info, /* _get_symbol_info */
|
||
_bfd_xcoff_is_local_label_name, /* _bfd_is_local_label_name */
|
||
coff_get_lineno, /* _get_lineno */
|
||
coff_find_nearest_line, /* _find_nearest_line */
|
||
coff_bfd_make_debug_symbol, /* _bfd_make_debug_symbol */
|
||
_bfd_generic_read_minisymbols, /* _read_minisymbols */
|
||
_bfd_generic_minisymbol_to_symbol, /* _minsymbol_to_symbol */
|
||
|
||
/* Reloc */
|
||
coff_get_reloc_upper_bound, /* _get_reloc_upper_bound */
|
||
coff_canonicalize_reloc, /* _cononicalize_reloc */
|
||
xcoff64_reloc_type_lookup, /* _bfd_reloc_type_lookup */
|
||
|
||
/* Write */
|
||
coff_set_arch_mach, /* _set_arch_mach */
|
||
coff_set_section_contents, /* _set_section_contents */
|
||
|
||
/* Link */
|
||
xcoff64_sizeof_headers, /* _sizeof_headers */
|
||
/* _bfd_get_relocated_section_contents */
|
||
bfd_generic_get_relocated_section_contents,
|
||
bfd_generic_relax_section, /* _bfd_relax_section */
|
||
_bfd_xcoff_bfd_link_hash_table_create,/* _bfd_link_hash_table_create */
|
||
_bfd_generic_link_hash_table_free, /* _bfd_link_hash_table_free */
|
||
_bfd_xcoff_bfd_link_add_symbols, /* _bfd_link_add_symbols */
|
||
_bfd_xcoff_bfd_final_link, /* _bfd_filnal_link */
|
||
_bfd_generic_link_split_section, /* _bfd_link_split_section */
|
||
bfd_generic_gc_sections, /* _bfd_gc_sections */
|
||
bfd_generic_merge_sections, /* _bfd_merge_sections */
|
||
|
||
/* Dynamic */
|
||
/* _get_dynamic_symtab_upper_bound */
|
||
_bfd_xcoff_get_dynamic_symtab_upper_bound,
|
||
_bfd_xcoff_canonicalize_dynamic_symtab, /* _cononicalize_dynamic_symtab */
|
||
_bfd_xcoff_get_dynamic_reloc_upper_bound,/* _get_dynamic_reloc_upper_bound */
|
||
_bfd_xcoff_canonicalize_dynamic_reloc, /* _cononicalize_dynamic_reloc */
|
||
|
||
/* Opposite endian version, none exists */
|
||
NULL,
|
||
|
||
/* back end data */
|
||
(void *) &bfd_xcoff_backend_data,
|
||
};
|
||
|
||
extern const bfd_target *xcoff64_core_p PARAMS ((bfd *));
|
||
extern boolean xcoff64_core_file_matches_executable_p PARAMS((bfd *, bfd *));
|
||
extern char *xcoff64_core_file_failing_command PARAMS ((bfd *));
|
||
extern int xcoff64_core_file_failing_signal PARAMS ((bfd *));
|
||
|
||
/* AIX 5 */
|
||
static const struct xcoff_backend_data_rec bfd_xcoff_aix5_backend_data =
|
||
{
|
||
{ /* COFF backend, defined in libcoff.h. */
|
||
_bfd_xcoff64_swap_aux_in, /* _bfd_coff_swap_aux_in */
|
||
_bfd_xcoff64_swap_sym_in, /* _bfd_coff_swap_sym_in */
|
||
_bfd_xcoff64_swap_lineno_in, /* _bfd_coff_swap_lineno_in */
|
||
_bfd_xcoff64_swap_aux_out, /* _bfd_swap_aux_out */
|
||
_bfd_xcoff64_swap_sym_out, /* _bfd_swap_sym_out */
|
||
_bfd_xcoff64_swap_lineno_out, /* _bfd_swap_lineno_out */
|
||
coff_swap_reloc_out, /* _bfd_swap_reloc_out */
|
||
coff_swap_filehdr_out, /* _bfd_swap_filehdr_out */
|
||
coff_swap_aouthdr_out, /* _bfd_swap_aouthdr_out */
|
||
coff_swap_scnhdr_out, /* _bfd_swap_scnhdr_out */
|
||
FILHSZ, /* _bfd_filhsz */
|
||
AOUTSZ, /* _bfd_aoutsz */
|
||
SCNHSZ, /* _bfd_scnhsz */
|
||
SYMESZ, /* _bfd_symesz */
|
||
AUXESZ, /* _bfd_auxesz */
|
||
RELSZ, /* _bfd_relsz */
|
||
LINESZ, /* _bfd_linesz */
|
||
FILNMLEN, /* _bfd_filnmlen */
|
||
true, /* _bfd_coff_long_filenames */
|
||
false, /* _bfd_coff_long_section_names */
|
||
(3), /* _bfd_coff_default_section_alignment_power */
|
||
true, /* _bfd_coff_force_symnames_in_strings */
|
||
4, /* _bfd_coff_debug_string_prefix_length */
|
||
coff_swap_filehdr_in, /* _bfd_coff_swap_filehdr_in */
|
||
coff_swap_aouthdr_in, /* _bfd_swap_aouthdr_in */
|
||
coff_swap_scnhdr_in, /* _bfd_swap_scnhdr_in */
|
||
coff_swap_reloc_in, /* _bfd_reloc_in */
|
||
xcoff64_bad_format_hook, /* _bfd_bad_format_hook */
|
||
coff_set_arch_mach_hook, /* _bfd_set_arch_mach_hook */
|
||
coff_mkobject_hook, /* _bfd_mkobject_hook */
|
||
styp_to_sec_flags, /* _bfd_syp_to_sec_flags */
|
||
coff_set_alignment_hook, /* _bfd_set_alignment_hook */
|
||
coff_slurp_symbol_table, /* _bfd_coff_slurp_symbol_table */
|
||
symname_in_debug_hook, /* _coff_symname_in_debug_hook */
|
||
coff_pointerize_aux_hook, /* _bfd_coff_pointerize_aux_hook */
|
||
coff_print_aux, /* bfd_coff_print_aux */
|
||
dummy_reloc16_extra_cases, /* _bfd_coff_reloc16_extra_cases */
|
||
dummy_reloc16_estimate, /* _bfd_coff_reloc16_estimate */
|
||
NULL, /* bfd_coff_sym_is_global */
|
||
/* _bfd_coff_compute_section_file_positions */
|
||
coff_compute_section_file_positions,
|
||
NULL , /* _bfd_coff_start_final_link */
|
||
xcoff64_ppc_relocate_section, /* _bfd_coff_relocate_section */
|
||
coff_rtype_to_howto, /* _bfd_coff_rtype_to_howto */
|
||
NULL , /* _bfd_coff_addust_symndx */
|
||
_bfd_generic_link_add_one_symbol, /* _bfd_coff_add_one_symbol */
|
||
coff_link_output_has_begun, /* _bfd_coff_link_output_has_begun */
|
||
coff_final_link_postscript /* _bfd_coff_final_link_postscript */
|
||
},
|
||
|
||
U64_TOCMAGIC, /* magic number */
|
||
bfd_arch_powerpc, /* architecture */
|
||
bfd_mach_ppc_620, /* machine */
|
||
|
||
/* Function pointers to xcoff specific swap routines. */
|
||
xcoff64_swap_ldhdr_in, /* _xcoff_swap_ldhdr_in */
|
||
xcoff64_swap_ldhdr_out, /* _xcoff_swap_ldhdr_out */
|
||
xcoff64_swap_ldsym_in, /* _xcoff_swap_ldsym_in */
|
||
xcoff64_swap_ldsym_out, /* _xcoff_swap_ldsym_out */
|
||
xcoff64_swap_ldrel_in, /* _xcoff_swap_ldrel_in */
|
||
xcoff64_swap_ldrel_out, /* _xcoff_swap_ldrel_out */
|
||
|
||
/* Sizes. */
|
||
LDHDRSZ, /* _xcoff_ldhdrsz */
|
||
LDSYMSZ, /* _xcoff_ldsymsz */
|
||
LDRELSZ, /* _xcoff_ldrelsz */
|
||
24, /* _xcoff_function_descriptor_size */
|
||
0, /* _xcoff_small_aout_header_size */
|
||
/* Versions. */
|
||
2, /* _xcoff_ldhdr_version */
|
||
|
||
_bfd_xcoff64_put_symbol_name, /* _xcoff_put_symbol_name */
|
||
_bfd_xcoff64_put_ldsymbol_name, /* _xcoff_put_ldsymbol_name */
|
||
|
||
/* Dynamic reloc howto. */
|
||
&xcoff64_dynamic_reloc,
|
||
xcoff64_create_csect_from_smclas,
|
||
|
||
/* Lineno and reloc count overflow. */
|
||
xcoff64_is_lineno_count_overflow,
|
||
xcoff64_is_reloc_count_overflow,
|
||
|
||
xcoff64_loader_symbol_offset,
|
||
xcoff64_loader_reloc_offset,
|
||
|
||
/* glink. */
|
||
&xcoff64_glink_code[0],
|
||
40, /* _xcoff_glink_size */
|
||
|
||
/* rtinit. */
|
||
88, /* _xcoff_rtinit_size */
|
||
xcoff64_generate_rtinit, /* _xcoff_generate_rtinit */
|
||
};
|
||
|
||
/* The transfer vector that leads the outside world to all of the above. */
|
||
const bfd_target aix5coff64_vec =
|
||
{
|
||
"aix5coff64-rs6000",
|
||
bfd_target_xcoff_flavour,
|
||
BFD_ENDIAN_BIG, /* data byte order is big */
|
||
BFD_ENDIAN_BIG, /* header byte order is big */
|
||
|
||
(HAS_RELOC | EXEC_P | /* object flags */
|
||
HAS_LINENO | HAS_DEBUG | DYNAMIC |
|
||
HAS_SYMS | HAS_LOCALS | WP_TEXT),
|
||
|
||
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
|
||
0, /* leading char */
|
||
'/', /* ar_pad_char */
|
||
15, /* ar_max_namelen??? FIXMEmgo */
|
||
|
||
/* data */
|
||
bfd_getb64, /* bfd_getx64 */
|
||
bfd_getb_signed_64, /* bfd_getx_signed_64 */
|
||
bfd_putb64, /* bfd_putx64 */
|
||
bfd_getb32, /* bfd_getx32 */
|
||
bfd_getb_signed_32, /* bfd_getx_signed_32 */
|
||
bfd_putb32, /* bfd_putx32 */
|
||
bfd_getb16, /* bfd_getx16 */
|
||
bfd_getb_signed_16, /* bfd_getx_signed_16 */
|
||
bfd_putb16, /* bfd_putx16 */
|
||
|
||
/* hdrs */
|
||
bfd_getb64, /* bfd_h_getx64 */
|
||
bfd_getb_signed_64, /* bfd_h_getx_signed_64 */
|
||
bfd_putb64, /* bfd_h_putx64 */
|
||
bfd_getb32, /* bfd_h_getx32 */
|
||
bfd_getb_signed_32, /* bfd_h_getx_signed_32 */
|
||
bfd_putb32, /* bfd_h_putx32 */
|
||
bfd_getb16, /* bfd_h_getx16 */
|
||
bfd_getb_signed_16, /* bfd_h_getx_signed_16 */
|
||
bfd_putb16, /* bfd_h_putx16 */
|
||
|
||
{ /* bfd_check_format */
|
||
_bfd_dummy_target,
|
||
coff_object_p,
|
||
xcoff64_archive_p,
|
||
xcoff64_core_p
|
||
},
|
||
|
||
{ /* bfd_set_format */
|
||
bfd_false,
|
||
coff_mkobject,
|
||
_bfd_generic_mkarchive,
|
||
bfd_false
|
||
},
|
||
|
||
{/* bfd_write_contents */
|
||
bfd_false,
|
||
xcoff64_write_object_contents,
|
||
_bfd_xcoff_write_archive_contents,
|
||
bfd_false
|
||
},
|
||
|
||
/* Generic */
|
||
bfd_true, /* _close_and_cleanup */
|
||
bfd_true, /* _bfd_free_cached_info */
|
||
coff_new_section_hook, /* _new_section_hook */
|
||
_bfd_generic_get_section_contents, /* _bfd_get_section_contents */
|
||
/* _bfd_get_section_contents_in_window */
|
||
_bfd_generic_get_section_contents_in_window,
|
||
|
||
/* Copy */
|
||
_bfd_xcoff_copy_private_bfd_data, /* _bfd_copy_private_bfd */
|
||
/* _bfd_merge_private_bfd_data */
|
||
((boolean (*) (bfd *, bfd *)) bfd_true),
|
||
/* _bfd_copy_pivate_section_data */
|
||
((boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true),
|
||
/* _bfd_copy_private_symbol_data */
|
||
((boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true),
|
||
((boolean (*) (bfd *, flagword)) bfd_true), /* _bfd_set_private_flags */
|
||
((boolean (*) (bfd *, void * )) bfd_true), /* _bfd_print_private_bfd_data */
|
||
|
||
/* Core */
|
||
xcoff64_core_file_failing_command, /* _core_file_failing_command */
|
||
xcoff64_core_file_failing_signal, /* _core_file_failing_signal */
|
||
xcoff64_core_file_matches_executable_p, /* _core_file_matches_executable_p */
|
||
|
||
/* Archive */
|
||
xcoff64_slurp_armap, /* _slurp_armap */
|
||
/* XCOFF archives do not have anything which corresponds to an
|
||
extended name table. */
|
||
bfd_false, /* _slurp_extended_name_table */
|
||
/* _construct_extended_name_table */
|
||
((boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_false),
|
||
bfd_dont_truncate_arname, /* _truncate_arname */
|
||
_bfd_xcoff_write_armap, /* _write_armap */
|
||
_bfd_xcoff_read_ar_hdr, /* _read_ar_hdr */
|
||
xcoff64_openr_next_archived_file, /* _openr_next_archived_file */
|
||
_bfd_generic_get_elt_at_index, /* _get_elt_at_index */
|
||
_bfd_xcoff_stat_arch_elt, /* _generic_stat_arch_elt */
|
||
/* XCOFF archives do not have a timestamp. */
|
||
bfd_true, /* _update_armap_timestamp */
|
||
|
||
/* Symbols */
|
||
coff_get_symtab_upper_bound, /* _get_symtab_upper_bound */
|
||
coff_get_symtab, /* _get_symtab */
|
||
coff_make_empty_symbol, /* _make_empty_symbol */
|
||
coff_print_symbol, /* _print_symbol */
|
||
coff_get_symbol_info, /* _get_symbol_info */
|
||
_bfd_xcoff_is_local_label_name, /* _bfd_is_local_label_name */
|
||
coff_get_lineno, /* _get_lineno */
|
||
coff_find_nearest_line, /* _find_nearest_line */
|
||
coff_bfd_make_debug_symbol, /* _bfd_make_debug_symbol */
|
||
_bfd_generic_read_minisymbols, /* _read_minisymbols */
|
||
_bfd_generic_minisymbol_to_symbol, /* _minsymbol_to_symbol */
|
||
|
||
/* Reloc */
|
||
coff_get_reloc_upper_bound, /* _get_reloc_upper_bound */
|
||
coff_canonicalize_reloc, /* _cononicalize_reloc */
|
||
xcoff64_reloc_type_lookup, /* _bfd_reloc_type_lookup */
|
||
|
||
/* Write */
|
||
coff_set_arch_mach, /* _set_arch_mach */
|
||
coff_set_section_contents, /* _set_section_contents */
|
||
|
||
/* Link */
|
||
xcoff64_sizeof_headers, /* _sizeof_headers */
|
||
/* _bfd_get_relocated_section_contents */
|
||
bfd_generic_get_relocated_section_contents,
|
||
bfd_generic_relax_section, /* _bfd_relax_section */
|
||
_bfd_xcoff_bfd_link_hash_table_create,/* _bfd_link_hash_table_create */
|
||
_bfd_generic_link_hash_table_free, /* _bfd_link_hash_table_free */
|
||
_bfd_xcoff_bfd_link_add_symbols, /* _bfd_link_add_symbols */
|
||
_bfd_xcoff_bfd_final_link, /* _bfd_filnal_link */
|
||
_bfd_generic_link_split_section, /* _bfd_link_split_section */
|
||
bfd_generic_gc_sections, /* _bfd_gc_sections */
|
||
bfd_generic_merge_sections, /* _bfd_merge_sections */
|
||
|
||
/* Dynamic */
|
||
/* _get_dynamic_symtab_upper_bound */
|
||
_bfd_xcoff_get_dynamic_symtab_upper_bound,
|
||
_bfd_xcoff_canonicalize_dynamic_symtab, /* _cononicalize_dynamic_symtab */
|
||
_bfd_xcoff_get_dynamic_reloc_upper_bound,/* _get_dynamic_reloc_upper_bound */
|
||
_bfd_xcoff_canonicalize_dynamic_reloc, /* _cononicalize_dynamic_reloc */
|
||
|
||
/* Opposite endian version, none exists. */
|
||
NULL,
|
||
|
||
/* back end data */
|
||
(void *) & bfd_xcoff_aix5_backend_data,
|
||
};
|