mirror of
https://sourceware.org/git/binutils-gdb.git
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0a1b45a20e
* sysdep.h: POISON_BFD_BOOLEAN: Define. * aix5ppc-core.c, * aout-cris.c, * aout-ns32k.c, * aout-target.h, * aoutx.h, * arc-got.h, * archive.c, * archive64.c, * archures.c, * bfd-in.h, * bfd.c, * bfdwin.c, * binary.c, * cache.c, * coff-alpha.c, * coff-arm.c, * coff-arm.h, * coff-bfd.c, * coff-bfd.h, * coff-go32.c, * coff-i386.c, * coff-ia64.c, * coff-mcore.c, * coff-mips.c, * coff-rs6000.c, * coff-sh.c, * coff-stgo32.c, * coff-tic30.c, * coff-tic4x.c, * coff-tic54x.c, * coff-x86_64.c, * coff-z80.c, * coff-z8k.c, * coff64-rs6000.c, * coffcode.h, * coffgen.c, * cofflink.c, * compress.c, * corefile.c, * cpu-aarch64.c, * cpu-aarch64.h, * cpu-alpha.c, * cpu-arc.c, * cpu-arm.c, * cpu-arm.h, * cpu-avr.c, * cpu-bfin.c, * cpu-bpf.c, * cpu-cr16.c, * cpu-cris.c, * cpu-crx.c, * cpu-csky.c, * cpu-d10v.c, * cpu-d30v.c, * cpu-dlx.c, * cpu-epiphany.c, * cpu-fr30.c, * cpu-frv.c, * cpu-ft32.c, * cpu-h8300.c, * cpu-hppa.c, * cpu-i386.c, * cpu-ia64.c, * cpu-iamcu.c, * cpu-ip2k.c, * cpu-iq2000.c, * cpu-k1om.c, * cpu-l1om.c, * cpu-lm32.c, * cpu-m10200.c, * cpu-m10300.c, * cpu-m32c.c, * cpu-m32r.c, * cpu-m68hc11.c, * cpu-m68hc12.c, * cpu-m68k.c, * cpu-m9s12x.c, * cpu-m9s12xg.c, * cpu-mcore.c, * cpu-mep.c, * cpu-metag.c, * cpu-microblaze.c, * cpu-mips.c, * cpu-mmix.c, * cpu-moxie.c, * cpu-msp430.c, * cpu-mt.c, * cpu-nds32.c, * cpu-nfp.c, * cpu-nios2.c, * cpu-ns32k.c, * cpu-or1k.c, * cpu-pdp11.c, * cpu-pj.c, * cpu-powerpc.c, * cpu-pru.c, * cpu-riscv.c, * cpu-rl78.c, * cpu-rs6000.c, * cpu-rx.c, * cpu-s12z.c, * cpu-s390.c, * cpu-score.c, * cpu-sh.c, * cpu-sparc.c, * cpu-spu.c, * cpu-tic30.c, * cpu-tic4x.c, * cpu-tic54x.c, * cpu-tic6x.c, * cpu-tilegx.c, * cpu-tilepro.c, * cpu-v850.c, * cpu-v850_rh850.c, * cpu-vax.c, * cpu-visium.c, * cpu-wasm32.c, * cpu-xc16x.c, * cpu-xgate.c, * cpu-xstormy16.c, * cpu-xtensa.c, * cpu-z80.c, * cpu-z8k.c, * dwarf1.c, * dwarf2.c, * ecoff-bfd.h, * ecoff.c, * ecofflink.c, * elf-attrs.c, * elf-bfd.h, * elf-eh-frame.c, * elf-hppa.h, * elf-ifunc.c, * elf-m10200.c, * elf-m10300.c, * elf-nacl.c, * elf-nacl.h, * elf-properties.c, * elf-s390-common.c, * elf-s390.h, * elf-strtab.c, * elf-vxworks.c, * elf-vxworks.h, * elf.c, * elf32-am33lin.c, * elf32-arc.c, * elf32-arm.c, * elf32-arm.h, * elf32-avr.c, * elf32-avr.h, * elf32-bfin.c, * elf32-bfin.h, * elf32-cr16.c, * elf32-cr16.h, * elf32-cris.c, * elf32-crx.c, * elf32-csky.c, * elf32-csky.h, * elf32-d10v.c, * elf32-d30v.c, * elf32-dlx.c, * elf32-epiphany.c, * elf32-fr30.c, * elf32-frv.c, * elf32-ft32.c, * elf32-gen.c, * elf32-h8300.c, * elf32-hppa.c, * elf32-hppa.h, * elf32-i386.c, * elf32-ip2k.c, * elf32-iq2000.c, * elf32-lm32.c, * elf32-m32c.c, * elf32-m32r.c, * elf32-m68hc11.c, * elf32-m68hc12.c, * elf32-m68hc1x.c, * elf32-m68hc1x.h, * elf32-m68k.c, * elf32-m68k.h, * elf32-mcore.c, * elf32-mep.c, * elf32-metag.c, * elf32-metag.h, * elf32-microblaze.c, * elf32-mips.c, * elf32-moxie.c, * elf32-msp430.c, * elf32-mt.c, * elf32-nds32.c, * elf32-nios2.c, * elf32-nios2.h, * elf32-or1k.c, * elf32-pj.c, * elf32-ppc.c, * elf32-ppc.h, * elf32-pru.c, * elf32-rl78.c, * elf32-rx.c, * elf32-s12z.c, * elf32-s390.c, * elf32-score.c, * elf32-score.h, * elf32-score7.c, * elf32-sh-relocs.h, * elf32-sh.c, * elf32-sparc.c, * elf32-spu.c, * elf32-spu.h, * elf32-tic6x.c, * elf32-tic6x.h, * elf32-tilegx.c, * elf32-tilepro.c, * elf32-v850.c, * elf32-v850.h, * elf32-vax.c, * elf32-visium.c, * elf32-wasm32.c, * elf32-xc16x.c, * elf32-xgate.c, * elf32-xstormy16.c, * elf32-xtensa.c, * elf32-z80.c, * elf64-alpha.c, * elf64-bpf.c, * elf64-gen.c, * elf64-hppa.c, * elf64-ia64-vms.c, * elf64-mips.c, * elf64-mmix.c, * elf64-nfp.c, * elf64-ppc.c, * elf64-ppc.h, * elf64-s390.c, * elf64-sparc.c, * elf64-tilegx.c, * elf64-x86-64.c, * elfcode.h, * elfcore.h, * elflink.c, * elfn32-mips.c, * elfnn-aarch64.c, * elfnn-ia64.c, * elfnn-riscv.c, * elfxx-aarch64.c, * elfxx-aarch64.h, * elfxx-ia64.c, * elfxx-ia64.h, * elfxx-mips.c, * elfxx-mips.h, * elfxx-riscv.c, * elfxx-riscv.h, * elfxx-sparc.c, * elfxx-sparc.h, * elfxx-target.h, * elfxx-tilegx.c, * elfxx-tilegx.h, * elfxx-x86.c, * elfxx-x86.h, * format.c, * genlink.h, * hash.c, * i386aout.c, * i386lynx.c, * i386msdos.c, * ihex.c, * libaout.h, * libbfd-in.h, * libbfd.c, * libcoff-in.h, * libecoff.h, * libpei.h, * libxcoff.h, * linker.c, * mach-o-aarch64.c, * mach-o-arm.c, * mach-o-i386.c, * mach-o-x86-64.c, * mach-o.c, * mach-o.h, * merge.c, * mmo.c, * netbsd.h, * opncls.c, * pc532-mach.c, * pdp11.c, * pe-arm.c, * pe-i386.c, * pe-mcore.c, * pe-sh.c, * pe-x86_64.c, * peXXigen.c, * pef.c, * pei-arm.c, * pei-i386.c, * pei-ia64.c, * pei-mcore.c, * pei-sh.c, * pei-x86_64.c, * peicode.h, * plugin.c, * plugin.h, * ppcboot.c, * reloc.c, * reloc16.c, * rs6000-core.c, * section.c, * simple.c, * som.c, * som.h, * srec.c, * stabs.c, * syms.c, * targets.c, * tekhex.c, * verilog.c, * vms-alpha.c, * vms-lib.c, * vms-misc.c, * vms.h, * wasm-module.c, * xcofflink.c, * xcofflink.h, * xsym.c, * xsym.h: Replace bfd_boolean with bool, FALSE with false, and TRUE with true throughout. * bfd-in2.h: Regenerate. * libbfd.h: Regenerate. * libcoff.h: Regenerate.
2887 lines
84 KiB
C
2887 lines
84 KiB
C
/* BFD back-end for IBM RS/6000 "XCOFF64" files.
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Copyright (C) 2000-2021 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "sysdep.h"
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#include "bfd.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
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(bfd *, void *, void *);
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static unsigned int _bfd_xcoff64_swap_lineno_out
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(bfd *, void *, void *);
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static bool _bfd_xcoff64_put_symbol_name
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(struct bfd_link_info *, struct bfd_strtab_hash *,
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struct internal_syment *, const char *);
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static bool _bfd_xcoff64_put_ldsymbol_name
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(bfd *, struct xcoff_loader_info *, struct internal_ldsym *, const char *);
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static void _bfd_xcoff64_swap_sym_in
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(bfd *, void *, void *);
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static unsigned int _bfd_xcoff64_swap_sym_out
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(bfd *, void *, void *);
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static void _bfd_xcoff64_swap_aux_in
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(bfd *, void *, int, int, int, int, void *);
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static unsigned int _bfd_xcoff64_swap_aux_out
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(bfd *, void *, int, int, int, int, void *);
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static void xcoff64_swap_reloc_in
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(bfd *, void *, void *);
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static unsigned int xcoff64_swap_reloc_out
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(bfd *, void *, void *);
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extern bool _bfd_xcoff_mkobject
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(bfd *);
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extern bool _bfd_xcoff_copy_private_bfd_data
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(bfd *, bfd *);
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extern bool _bfd_xcoff_is_local_label_name
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(bfd *, const char *);
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extern void xcoff64_rtype2howto
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(arelent *, struct internal_reloc *);
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extern reloc_howto_type * xcoff64_reloc_type_lookup
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(bfd *, bfd_reloc_code_real_type);
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extern bool _bfd_xcoff_slurp_armap
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(bfd *);
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extern void *_bfd_xcoff_read_ar_hdr
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(bfd *);
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extern bfd *_bfd_xcoff_openr_next_archived_file
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(bfd *, bfd *);
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extern int _bfd_xcoff_stat_arch_elt
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(bfd *, struct stat *);
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extern bool _bfd_xcoff_write_armap
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(bfd *, unsigned int, struct orl *, unsigned int, int);
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extern bool _bfd_xcoff_write_archive_contents
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(bfd *);
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extern int _bfd_xcoff_sizeof_headers
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(bfd *, struct bfd_link_info *);
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extern void _bfd_xcoff_swap_sym_in
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(bfd *, void *, void *);
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extern unsigned int _bfd_xcoff_swap_sym_out
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(bfd *, void *, void *);
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extern void _bfd_xcoff_swap_aux_in
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(bfd *, void *, int, int, int, int, void *);
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extern unsigned int _bfd_xcoff_swap_aux_out
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(bfd *, void *, int, int, int, int, void *);
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static void xcoff64_swap_ldhdr_in
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(bfd *, const void *, struct internal_ldhdr *);
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static void xcoff64_swap_ldhdr_out
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(bfd *, const struct internal_ldhdr *, void *d);
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static void xcoff64_swap_ldsym_in
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(bfd *, const void *, struct internal_ldsym *);
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static void xcoff64_swap_ldsym_out
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(bfd *, const struct internal_ldsym *, void *d);
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static void xcoff64_swap_ldrel_in
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(bfd *, const void *, struct internal_ldrel *);
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static void xcoff64_swap_ldrel_out
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(bfd *, const struct internal_ldrel *, void *d);
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static bool xcoff64_ppc_relocate_section
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(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 bool xcoff64_slurp_armap
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(bfd *);
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static bfd_cleanup xcoff64_archive_p
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(bfd *);
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static bfd *xcoff64_openr_next_archived_file
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(bfd *, bfd *);
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static int xcoff64_sizeof_headers
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(bfd *, struct bfd_link_info *);
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static asection *xcoff64_create_csect_from_smclas
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(bfd *, union internal_auxent *, const char *);
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static bool xcoff64_is_lineno_count_overflow
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(bfd *, bfd_vma);
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static bool xcoff64_is_reloc_count_overflow
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(bfd *, bfd_vma);
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static bfd_vma xcoff64_loader_symbol_offset
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(bfd *, struct internal_ldhdr *);
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static bfd_vma xcoff64_loader_reloc_offset
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(bfd *, struct internal_ldhdr *);
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static bool xcoff64_generate_rtinit
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(bfd *, const char *, const char *, bool);
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static bool xcoff64_bad_format_hook
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(bfd *, void *);
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/* Relocation functions */
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static xcoff_reloc_function xcoff64_reloc_type_br;
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xcoff_reloc_function *const
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xcoff64_calculate_relocation[XCOFF_MAX_CALCULATE_RELOCATION] =
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{
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xcoff_reloc_type_pos, /* R_POS (0x00) */
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xcoff_reloc_type_neg, /* R_NEG (0x01) */
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xcoff_reloc_type_rel, /* R_REL (0x02) */
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xcoff_reloc_type_toc, /* R_TOC (0x03) */
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xcoff_reloc_type_toc, /* R_TRL (0x04) */
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xcoff_reloc_type_toc, /* R_GL (0x05) */
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xcoff_reloc_type_toc, /* R_TCL (0x06) */
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xcoff_reloc_type_fail, /* (0x07) */
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xcoff_reloc_type_ba, /* R_BA (0x08) */
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xcoff_reloc_type_fail, /* (0x09) */
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xcoff64_reloc_type_br, /* R_BR (0x0a) */
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xcoff_reloc_type_fail, /* (0x0b) */
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xcoff_reloc_type_pos, /* R_RL (0x0c) */
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xcoff_reloc_type_pos, /* R_RLA (0x0d) */
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xcoff_reloc_type_fail, /* (0x0e) */
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xcoff_reloc_type_noop, /* R_REF (0x0f) */
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xcoff_reloc_type_fail, /* (0x10) */
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xcoff_reloc_type_fail, /* (0x11) */
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xcoff_reloc_type_fail, /* (0x12) */
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xcoff_reloc_type_toc, /* R_TRLA (0x13) */
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xcoff_reloc_type_fail, /* R_RRTBI (0x14) */
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xcoff_reloc_type_fail, /* R_RRTBA (0x15) */
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xcoff_reloc_type_ba, /* R_CAI (0x16) */
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xcoff_reloc_type_crel, /* R_CREL (0x17) */
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xcoff_reloc_type_ba, /* R_RBA (0x18) */
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xcoff_reloc_type_ba, /* R_RBAC (0x19) */
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xcoff64_reloc_type_br, /* R_RBR (0x1a) */
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xcoff_reloc_type_ba, /* R_RBRC (0x1b) */
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xcoff_reloc_type_fail, /* (0x1c) */
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xcoff_reloc_type_fail, /* (0x1d) */
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xcoff_reloc_type_fail, /* (0x1e) */
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xcoff_reloc_type_fail, /* (0x1f) */
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xcoff_reloc_type_tls, /* R_TLS (0x20) */
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xcoff_reloc_type_tls, /* R_TLS_IE (0x21) */
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xcoff_reloc_type_tls, /* R_TLS_LD (0x22) */
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xcoff_reloc_type_tls, /* R_TLS_LE (0x23) */
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xcoff_reloc_type_tls, /* R_TLSM (0x24) */
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xcoff_reloc_type_tls, /* R_TLSML (0x25) */
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xcoff_reloc_type_fail, /* (0x26) */
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xcoff_reloc_type_fail, /* (0x27) */
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xcoff_reloc_type_fail, /* (0x28) */
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xcoff_reloc_type_fail, /* (0x29) */
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xcoff_reloc_type_fail, /* (0x2a) */
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xcoff_reloc_type_fail, /* (0x2b) */
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xcoff_reloc_type_fail, /* (0x2c) */
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xcoff_reloc_type_fail, /* (0x2d) */
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xcoff_reloc_type_fail, /* (0x2e) */
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xcoff_reloc_type_fail, /* (0x2f) */
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xcoff_reloc_type_toc, /* R_TOCU (0x30) */
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xcoff_reloc_type_toc, /* R_TOCL (0x31) */
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};
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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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}
|
||
|
||
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
|
||
#define COFF_LONG_FILENAMES
|
||
#define NO_COFF_SYMBOLS
|
||
#define RTYPE2HOWTO(cache_ptr, dst) xcoff64_rtype2howto (cache_ptr, dst)
|
||
#define coff_mkobject _bfd_xcoff_mkobject
|
||
#define coff_bfd_copy_private_bfd_data _bfd_xcoff_copy_private_bfd_data
|
||
#define coff_bfd_is_local_label_name _bfd_xcoff_is_local_label_name
|
||
#define coff_bfd_reloc_type_lookup xcoff64_reloc_type_lookup
|
||
#define coff_bfd_reloc_name_lookup xcoff64_reloc_name_lookup
|
||
#ifdef AIX_CORE
|
||
extern bfd_cleanup rs6000coff_core_p
|
||
(bfd *abfd);
|
||
extern bool rs6000coff_core_file_matches_executable_p
|
||
(bfd *cbfd, bfd *ebfd);
|
||
extern char *rs6000coff_core_file_failing_command
|
||
(bfd *abfd);
|
||
extern int rs6000coff_core_file_failing_signal
|
||
(bfd *abfd);
|
||
#define CORE_FILE_P rs6000coff_core_p
|
||
#define coff_core_file_failing_command \
|
||
rs6000coff_core_file_failing_command
|
||
#define coff_core_file_failing_signal \
|
||
rs6000coff_core_file_failing_signal
|
||
#define coff_core_file_matches_executable_p \
|
||
rs6000coff_core_file_matches_executable_p
|
||
#define coff_core_file_pid \
|
||
_bfd_nocore_core_file_pid
|
||
#else
|
||
#define CORE_FILE_P _bfd_dummy_target
|
||
#define coff_core_file_failing_command \
|
||
_bfd_nocore_core_file_failing_command
|
||
#define coff_core_file_failing_signal \
|
||
_bfd_nocore_core_file_failing_signal
|
||
#define coff_core_file_matches_executable_p \
|
||
_bfd_nocore_core_file_matches_executable_p
|
||
#define coff_core_file_pid \
|
||
_bfd_nocore_core_file_pid
|
||
#endif
|
||
#define coff_SWAP_sym_in _bfd_xcoff64_swap_sym_in
|
||
#define coff_SWAP_sym_out _bfd_xcoff64_swap_sym_out
|
||
#define coff_SWAP_aux_in _bfd_xcoff64_swap_aux_in
|
||
#define coff_SWAP_aux_out _bfd_xcoff64_swap_aux_out
|
||
#define coff_swap_reloc_in xcoff64_swap_reloc_in
|
||
#define coff_swap_reloc_out xcoff64_swap_reloc_out
|
||
#define NO_COFF_RELOCS
|
||
|
||
#ifndef bfd_pe_print_pdata
|
||
#define bfd_pe_print_pdata NULL
|
||
#endif
|
||
|
||
#include "coffcode.h"
|
||
|
||
/* For XCOFF64, the effective width of symndx changes depending on
|
||
whether we are the first entry. Sigh. */
|
||
static void
|
||
_bfd_xcoff64_swap_lineno_in (bfd *abfd, void *ext1, void *in1)
|
||
{
|
||
LINENO *ext = (LINENO *) ext1;
|
||
struct internal_lineno *in = (struct internal_lineno *) in1;
|
||
|
||
in->l_lnno = H_GET_32 (abfd, (ext->l_lnno));
|
||
if (in->l_lnno == 0)
|
||
in->l_addr.l_symndx = H_GET_32 (abfd, ext->l_addr.l_symndx);
|
||
else
|
||
in->l_addr.l_paddr = H_GET_64 (abfd, ext->l_addr.l_paddr);
|
||
}
|
||
|
||
static unsigned int
|
||
_bfd_xcoff64_swap_lineno_out (bfd *abfd, void *inp, void *outp)
|
||
{
|
||
struct internal_lineno *in = (struct internal_lineno *) inp;
|
||
struct external_lineno *ext = (struct external_lineno *) outp;
|
||
|
||
H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx);
|
||
H_PUT_32 (abfd, in->l_lnno, (ext->l_lnno));
|
||
|
||
if (in->l_lnno == 0)
|
||
H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx);
|
||
else
|
||
H_PUT_64 (abfd, in->l_addr.l_paddr, ext->l_addr.l_paddr);
|
||
|
||
return bfd_coff_linesz (abfd);
|
||
}
|
||
|
||
static void
|
||
_bfd_xcoff64_swap_sym_in (bfd *abfd, void *ext1, void *in1)
|
||
{
|
||
struct external_syment *ext = (struct external_syment *) ext1;
|
||
struct internal_syment *in = (struct internal_syment *) in1;
|
||
|
||
in->_n._n_n._n_zeroes = 0;
|
||
in->_n._n_n._n_offset = H_GET_32 (abfd, ext->e_offset);
|
||
in->n_value = H_GET_64 (abfd, ext->e_value);
|
||
in->n_scnum = (short) H_GET_16 (abfd, ext->e_scnum);
|
||
in->n_type = H_GET_16 (abfd, ext->e_type);
|
||
in->n_sclass = H_GET_8 (abfd, ext->e_sclass);
|
||
in->n_numaux = H_GET_8 (abfd, ext->e_numaux);
|
||
}
|
||
|
||
static unsigned int
|
||
_bfd_xcoff64_swap_sym_out (bfd *abfd, void *inp, void *extp)
|
||
{
|
||
struct internal_syment *in = (struct internal_syment *) inp;
|
||
struct external_syment *ext = (struct external_syment *) extp;
|
||
|
||
H_PUT_32 (abfd, in->_n._n_n._n_offset, ext->e_offset);
|
||
H_PUT_64 (abfd, in->n_value, ext->e_value);
|
||
H_PUT_16 (abfd, in->n_scnum, ext->e_scnum);
|
||
H_PUT_16 (abfd, in->n_type, ext->e_type);
|
||
H_PUT_8 (abfd, in->n_sclass, ext->e_sclass);
|
||
H_PUT_8 (abfd, in->n_numaux, ext->e_numaux);
|
||
return bfd_coff_symesz (abfd);
|
||
}
|
||
|
||
static void
|
||
_bfd_xcoff64_swap_aux_in (bfd *abfd, void *ext1, int type, int in_class,
|
||
int indx, int numaux, void *in1)
|
||
{
|
||
union external_auxent *ext = (union external_auxent *) ext1;
|
||
union internal_auxent *in = (union internal_auxent *) in1;
|
||
|
||
switch (in_class)
|
||
{
|
||
case C_FILE:
|
||
if (ext->x_file.x_n.x_n.x_zeroes[0] == 0)
|
||
{
|
||
in->x_file.x_n.x_zeroes = 0;
|
||
in->x_file.x_n.x_offset =
|
||
H_GET_32 (abfd, ext->x_file.x_n.x_n.x_offset);
|
||
}
|
||
else
|
||
{
|
||
memcpy (in->x_file.x_fname, ext->x_file.x_n.x_fname, FILNMLEN);
|
||
}
|
||
goto end;
|
||
|
||
/* RS/6000 "csect" auxents */
|
||
case C_EXT:
|
||
case C_AIX_WEAKEXT:
|
||
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 (in_class == C_BLOCK || in_class == C_FCN || ISFCN (type)
|
||
|| ISTAG (in_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 (bfd *abfd, void *inp, int type, int in_class,
|
||
int indx ATTRIBUTE_UNUSED,
|
||
int numaux ATTRIBUTE_UNUSED,
|
||
void *extp)
|
||
{
|
||
union internal_auxent *in = (union internal_auxent *) inp;
|
||
union external_auxent *ext = (union external_auxent *) extp;
|
||
|
||
memset (ext, 0, bfd_coff_auxesz (abfd));
|
||
switch (in_class)
|
||
{
|
||
case C_FILE:
|
||
if (in->x_file.x_n.x_zeroes == 0)
|
||
{
|
||
H_PUT_32 (abfd, 0, ext->x_file.x_n.x_n.x_zeroes);
|
||
H_PUT_32 (abfd, in->x_file.x_n.x_offset,
|
||
ext->x_file.x_n.x_n.x_offset);
|
||
}
|
||
else
|
||
{
|
||
memcpy (ext->x_file.x_n.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_AIX_WEAKEXT:
|
||
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 (in_class == C_BLOCK || in_class == C_FCN || ISFCN (type)
|
||
|| ISTAG (in_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 bool
|
||
_bfd_xcoff64_put_symbol_name (struct bfd_link_info *info,
|
||
struct bfd_strtab_hash *strtab,
|
||
struct internal_syment *sym,
|
||
const char *name)
|
||
{
|
||
bool hash;
|
||
bfd_size_type indx;
|
||
|
||
hash = !info->traditional_format;
|
||
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 bool
|
||
_bfd_xcoff64_put_ldsymbol_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;
|
||
char *newstrings;
|
||
|
||
newalc = ldinfo->string_alc * 2;
|
||
if (newalc == 0)
|
||
newalc = 32;
|
||
while (ldinfo->string_size + len + 3 > newalc)
|
||
newalc *= 2;
|
||
|
||
newstrings = bfd_realloc (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 (bfd *abfd,
|
||
const void *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 (bfd *abfd, const struct internal_ldhdr *src, void *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 (bfd *abfd, const void *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 (bfd *abfd, const struct internal_ldsym *src, void *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);
|
||
}
|
||
|
||
static void
|
||
xcoff64_swap_reloc_in (bfd *abfd, void *s, void *d)
|
||
{
|
||
struct external_reloc *src = (struct external_reloc *) s;
|
||
struct internal_reloc *dst = (struct internal_reloc *) d;
|
||
|
||
memset (dst, 0, sizeof (struct internal_reloc));
|
||
|
||
dst->r_vaddr = bfd_get_64 (abfd, src->r_vaddr);
|
||
dst->r_symndx = bfd_get_32 (abfd, src->r_symndx);
|
||
dst->r_size = bfd_get_8 (abfd, src->r_size);
|
||
dst->r_type = bfd_get_8 (abfd, src->r_type);
|
||
}
|
||
|
||
static unsigned int
|
||
xcoff64_swap_reloc_out (bfd *abfd, void *s, void *d)
|
||
{
|
||
struct internal_reloc *src = (struct internal_reloc *) s;
|
||
struct external_reloc *dst = (struct external_reloc *) d;
|
||
|
||
bfd_put_64 (abfd, src->r_vaddr, dst->r_vaddr);
|
||
bfd_put_32 (abfd, src->r_symndx, dst->r_symndx);
|
||
bfd_put_8 (abfd, src->r_type, dst->r_type);
|
||
bfd_put_8 (abfd, src->r_size, dst->r_size);
|
||
|
||
return bfd_coff_relsz (abfd);
|
||
}
|
||
|
||
/* Swap in the ldrel structure. */
|
||
|
||
static void
|
||
xcoff64_swap_ldrel_in (bfd *abfd, const void *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 (bfd *abfd, const struct internal_ldrel *src, void *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 bool
|
||
xcoff64_reloc_type_br (bfd *input_bfd,
|
||
asection *input_section,
|
||
bfd *output_bfd ATTRIBUTE_UNUSED,
|
||
struct internal_reloc *rel,
|
||
struct internal_syment *sym ATTRIBUTE_UNUSED,
|
||
struct reloc_howto_struct *howto,
|
||
bfd_vma val,
|
||
bfd_vma addend,
|
||
bfd_vma *relocation,
|
||
bfd_byte *contents)
|
||
{
|
||
struct xcoff_link_hash_entry *h;
|
||
bfd_vma section_offset;
|
||
|
||
if (0 > rel->r_symndx)
|
||
return false;
|
||
|
||
h = obj_xcoff_sym_hashes (input_bfd)[rel->r_symndx];
|
||
section_offset = rel->r_vaddr - input_section->vma;
|
||
|
||
/* 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 (NULL != h
|
||
&& (bfd_link_hash_defined == h->root.type
|
||
|| bfd_link_hash_defweak == h->root.type)
|
||
&& section_offset + 8 <= input_section->size)
|
||
{
|
||
bfd_byte *pnext;
|
||
unsigned long next;
|
||
|
||
pnext = contents + section_offset + 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. */
|
||
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, 0xe8410028, pnext); /* ld r2,40(r1) */
|
||
}
|
||
else
|
||
{
|
||
if (next == 0xe8410028) /* ld r2,40(r1) */
|
||
bfd_put_32 (input_bfd, 0x60000000, pnext); /* ori r0,r0,0 */
|
||
}
|
||
}
|
||
else if (NULL != h && bfd_link_hash_undefined == h->root.type)
|
||
{
|
||
/* Normally, this relocation is against a defined symbol. In the
|
||
case where this is a partial link and the output section offset
|
||
is greater than 2^25, the linker will return an invalid error
|
||
message that the relocation has been truncated. Yes it has been
|
||
truncated but no it not important. For this case, disable the
|
||
overflow checking. */
|
||
howto->complain_on_overflow = complain_overflow_dont;
|
||
}
|
||
|
||
/* The original PC-relative relocation is biased by -r_vaddr, so adding
|
||
the value below will give the absolute target address. */
|
||
*relocation = val + addend + rel->r_vaddr;
|
||
|
||
howto->src_mask &= ~3;
|
||
howto->dst_mask = howto->src_mask;
|
||
|
||
if (h != NULL
|
||
&& (h->root.type == bfd_link_hash_defined
|
||
|| h->root.type == bfd_link_hash_defweak)
|
||
&& bfd_is_abs_section (h->root.u.def.section)
|
||
&& section_offset + 4 <= input_section->size)
|
||
{
|
||
bfd_byte *ptr;
|
||
bfd_vma insn;
|
||
|
||
/* Turn the relative branch into an absolute one by setting the
|
||
AA bit. */
|
||
ptr = contents + section_offset;
|
||
insn = bfd_get_32 (input_bfd, ptr);
|
||
insn |= 2;
|
||
bfd_put_32 (input_bfd, insn, ptr);
|
||
|
||
/* Make the howto absolute too. */
|
||
howto->pc_relative = false;
|
||
howto->complain_on_overflow = complain_overflow_bitfield;
|
||
}
|
||
else
|
||
{
|
||
/* Use a PC-relative howto and subtract the instruction's address
|
||
from the target address we calculated above. */
|
||
howto->pc_relative = true;
|
||
*relocation -= (input_section->output_section->vma
|
||
+ input_section->output_offset
|
||
+ section_offset);
|
||
}
|
||
return true;
|
||
}
|
||
|
||
|
||
|
||
/* The XCOFF reloc table.
|
||
Cf xcoff_howto_table comments. */
|
||
|
||
reloc_howto_type xcoff64_howto_table[] =
|
||
{
|
||
/* 0x00: 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_64", /* name */
|
||
true, /* partial_inplace */
|
||
MINUS_ONE, /* src_mask */
|
||
MINUS_ONE, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x01: 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 */
|
||
|
||
/* 0x02: 64 bit PC relative relocation. */
|
||
HOWTO (R_REL, /* type */
|
||
0, /* rightshift */
|
||
4, /* size (0 = byte, 1 = short, 2 = long) */
|
||
64, /* bitsize */
|
||
true, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_REL", /* name */
|
||
true, /* partial_inplace */
|
||
MINUS_ONE, /* src_mask */
|
||
MINUS_ONE, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x03: 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 */
|
||
0, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x04: Same as R_TOC. */
|
||
HOWTO (R_TRL, /* 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_TRL", /* name */
|
||
true, /* partial_inplace */
|
||
0, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x05: External TOC relative symbol. */
|
||
HOWTO (R_GL, /* 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_GL", /* name */
|
||
true, /* partial_inplace */
|
||
0, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x06: Local TOC relative symbol. */
|
||
HOWTO (R_TCL, /* 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_TCL", /* name */
|
||
true, /* partial_inplace */
|
||
0, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
EMPTY_HOWTO (7),
|
||
|
||
/* 0x08: Same as R_RBA. */
|
||
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_26", /* name */
|
||
true, /* partial_inplace */
|
||
0x03fffffc, /* src_mask */
|
||
0x03fffffc, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
EMPTY_HOWTO (9),
|
||
|
||
/* 0x0a: Same as R_RBR. */
|
||
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 */
|
||
0x03fffffc, /* src_mask */
|
||
0x03fffffc, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
EMPTY_HOWTO (0xb),
|
||
|
||
/* 0x0c: Same as R_POS. */
|
||
HOWTO (R_RL, /* 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_RL", /* name */
|
||
true, /* partial_inplace */
|
||
MINUS_ONE, /* src_mask */
|
||
MINUS_ONE, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x0d: Same as R_POS. */
|
||
HOWTO (R_RLA, /* 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_RLA", /* name */
|
||
true, /* partial_inplace */
|
||
MINUS_ONE, /* src_mask */
|
||
MINUS_ONE, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
EMPTY_HOWTO (0xe),
|
||
|
||
/* 0x0f: Non-relocating reference. Bitsize is 1 so that r_rsize is 0. */
|
||
HOWTO (R_REF, /* type */
|
||
0, /* rightshift */
|
||
0, /* size (0 = byte, 1 = short, 2 = long) */
|
||
1, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_dont, /* 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),
|
||
EMPTY_HOWTO (0x12),
|
||
|
||
/* 0x13: Same as R_TOC */
|
||
HOWTO (R_TRLA, /* 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_TRLA", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x14: 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 */
|
||
|
||
/* 0x15: 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 */
|
||
|
||
/* 0x16: Modifiable call absolute indirect. */
|
||
HOWTO (R_CAI, /* 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_CAI", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x17: Modifiable call relative. */
|
||
HOWTO (R_CREL, /* 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_CREL", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x18: 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 */
|
||
0x03fffffc, /* src_mask */
|
||
0x03fffffc, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x19: 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 */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x1a: 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_26", /* name */
|
||
true, /* partial_inplace */
|
||
0x03fffffc, /* src_mask */
|
||
0x03fffffc, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x1b: Modifiable branch absolute. */
|
||
HOWTO (R_RBRC, /* 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_RBRC", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x1c: Standard 32 bit relocation. */
|
||
HOWTO (R_POS, /* 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_POS_32", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x1d: 16 bit Non modifiable absolute branch. */
|
||
HOWTO (R_BA, /* 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_BA_16", /* name */
|
||
true, /* partial_inplace */
|
||
0xfffc, /* src_mask */
|
||
0xfffc, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x1e: Modifiable branch relative. */
|
||
HOWTO (R_RBR, /* type */
|
||
0, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
true, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_RBR_16", /* name */
|
||
true, /* partial_inplace */
|
||
0xfffc, /* src_mask */
|
||
0xfffc, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x1f: Modifiable branch absolute. */
|
||
HOWTO (R_RBA, /* 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_RBA_16", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x20: General-dynamic TLS relocation. */
|
||
HOWTO (R_TLS, /* 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_TLS", /* name */
|
||
true, /* partial_inplace */
|
||
MINUS_ONE, /* src_mask */
|
||
MINUS_ONE, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x21: Initial-exec TLS relocation. */
|
||
HOWTO (R_TLS_IE, /* 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_TLS_IE", /* name */
|
||
true, /* partial_inplace */
|
||
MINUS_ONE, /* src_mask */
|
||
MINUS_ONE, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x22: Local-dynamic TLS relocation. */
|
||
HOWTO (R_TLS_LD, /* 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_TLS_LD", /* name */
|
||
true, /* partial_inplace */
|
||
MINUS_ONE, /* src_mask */
|
||
MINUS_ONE, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x23: Local-exec TLS relocation. */
|
||
HOWTO (R_TLS_LE, /* 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_TLS_LE", /* name */
|
||
true, /* partial_inplace */
|
||
MINUS_ONE, /* src_mask */
|
||
MINUS_ONE, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x24: TLS relocation. */
|
||
HOWTO (R_TLSM, /* 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_TLSM", /* name */
|
||
true, /* partial_inplace */
|
||
MINUS_ONE, /* src_mask */
|
||
MINUS_ONE, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x25: TLS module relocation. */
|
||
HOWTO (R_TLSML, /* 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_TLSM", /* name */
|
||
true, /* partial_inplace */
|
||
MINUS_ONE, /* src_mask */
|
||
MINUS_ONE, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
EMPTY_HOWTO(0x26),
|
||
EMPTY_HOWTO(0x27),
|
||
EMPTY_HOWTO(0x28),
|
||
EMPTY_HOWTO(0x29),
|
||
EMPTY_HOWTO(0x2a),
|
||
EMPTY_HOWTO(0x2b),
|
||
EMPTY_HOWTO(0x2c),
|
||
EMPTY_HOWTO(0x2d),
|
||
EMPTY_HOWTO(0x2e),
|
||
EMPTY_HOWTO(0x2f),
|
||
|
||
HOWTO (R_TOCU, /* type */
|
||
16, /* 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_TOCU", /* name */
|
||
true, /* partial_inplace */
|
||
0, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 0x31: Low-order 16 bit TOC relative relocation. */
|
||
HOWTO (R_TOCL, /* type */
|
||
0, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_dont, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_TOCL", /* name */
|
||
true, /* partial_inplace */
|
||
0, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
};
|
||
|
||
void
|
||
xcoff64_rtype2howto (arelent *relent, struct internal_reloc *internal)
|
||
{
|
||
if (internal->r_type > R_TOCL)
|
||
abort ();
|
||
|
||
/* Default howto layout works most of the time */
|
||
relent->howto = &xcoff64_howto_table[internal->r_type];
|
||
|
||
/* Special case some 16 bit reloc */
|
||
if (15 == (internal->r_size & 0x3f))
|
||
{
|
||
if (R_BA == internal->r_type)
|
||
relent->howto = &xcoff64_howto_table[0x1d];
|
||
else if (R_RBR == internal->r_type)
|
||
relent->howto = &xcoff64_howto_table[0x1e];
|
||
else if (R_RBA == internal->r_type)
|
||
relent->howto = &xcoff64_howto_table[0x1f];
|
||
}
|
||
/* Special case 32 bit */
|
||
else if (31 == (internal->r_size & 0x3f))
|
||
{
|
||
if (R_POS == internal->r_type)
|
||
relent->howto = &xcoff64_howto_table[0x1c];
|
||
}
|
||
|
||
/* 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 ();
|
||
}
|
||
|
||
reloc_howto_type *
|
||
xcoff64_reloc_type_lookup (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_PPC_TOC16_HI:
|
||
return &xcoff64_howto_table[0x30];
|
||
case BFD_RELOC_PPC_TOC16_LO:
|
||
return &xcoff64_howto_table[0x31];
|
||
case BFD_RELOC_PPC_B16:
|
||
return &xcoff64_howto_table[0x1e];
|
||
case BFD_RELOC_32:
|
||
case BFD_RELOC_CTOR:
|
||
return &xcoff64_howto_table[0x1c];
|
||
case BFD_RELOC_64:
|
||
return &xcoff64_howto_table[0];
|
||
case BFD_RELOC_NONE:
|
||
return &xcoff64_howto_table[0xf];
|
||
case BFD_RELOC_PPC64_TLSGD:
|
||
return &xcoff64_howto_table[0x20];
|
||
case BFD_RELOC_PPC64_TLSIE:
|
||
return &xcoff64_howto_table[0x21];
|
||
case BFD_RELOC_PPC64_TLSLD:
|
||
return &xcoff64_howto_table[0x22];
|
||
case BFD_RELOC_PPC64_TLSLE:
|
||
return &xcoff64_howto_table[0x23];
|
||
case BFD_RELOC_PPC64_TLSM:
|
||
return &xcoff64_howto_table[0x24];
|
||
case BFD_RELOC_PPC64_TLSML:
|
||
return &xcoff64_howto_table[0x25];
|
||
default:
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
static reloc_howto_type *
|
||
xcoff64_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
||
const char *r_name)
|
||
{
|
||
unsigned int i;
|
||
|
||
for (i = 0;
|
||
i < sizeof (xcoff64_howto_table) / sizeof (xcoff64_howto_table[0]);
|
||
i++)
|
||
if (xcoff64_howto_table[i].name != NULL
|
||
&& strcasecmp (xcoff64_howto_table[i].name, r_name) == 0)
|
||
return &xcoff64_howto_table[i];
|
||
|
||
return NULL;
|
||
}
|
||
|
||
/* This is the relocation function for the PowerPC64.
|
||
See xcoff_ppc_relocation_section for more information. */
|
||
|
||
bool
|
||
xcoff64_ppc_relocate_section (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_vma relocation;
|
||
bfd_vma value_to_relocate;
|
||
bfd_vma address;
|
||
bfd_byte *location;
|
||
|
||
/* 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;
|
||
|
||
/* Retrieve default value in HOWTO table and fix up according
|
||
to r_size field, if it can be different.
|
||
This should be made during relocation reading but the algorithms
|
||
are expecting constant howtos. */
|
||
memcpy (&howto, &xcoff64_howto_table[rel->r_type], sizeof (howto));
|
||
if (howto.bitsize != (rel->r_size & 0x3f) + 1)
|
||
{
|
||
switch (rel->r_type)
|
||
{
|
||
case R_POS:
|
||
case R_NEG:
|
||
howto.bitsize = (rel->r_size & 0x3f) + 1;
|
||
howto.size = howto.bitsize > 16 ? (howto.bitsize > 32 ? 4 : 2) : 1;
|
||
howto.src_mask = howto.dst_mask = N_ONES (howto.bitsize);
|
||
break;
|
||
|
||
default:
|
||
_bfd_error_handler
|
||
(_("%pB: relocatation (%d) at (0x%" BFD_VMA_FMT "x) has wrong"
|
||
" r_rsize (0x%x)\n"),
|
||
input_bfd, rel->r_type, rel->r_vaddr, rel->r_size);
|
||
return false;
|
||
}
|
||
}
|
||
|
||
howto.complain_on_overflow = (rel->r_size & 0x80
|
||
? complain_overflow_signed
|
||
: complain_overflow_bitfield);
|
||
|
||
/* symbol */
|
||
val = 0;
|
||
addend = 0;
|
||
h = NULL;
|
||
sym = NULL;
|
||
symndx = rel->r_symndx;
|
||
|
||
if (-1 != symndx)
|
||
{
|
||
asection *sec;
|
||
|
||
h = obj_xcoff_sym_hashes (input_bfd)[symndx];
|
||
sym = syms + symndx;
|
||
addend = - sym->n_value;
|
||
|
||
if (NULL == h)
|
||
{
|
||
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 (info->unresolved_syms_in_objects != RM_IGNORE
|
||
&& (h->flags & XCOFF_WAS_UNDEFINED) != 0)
|
||
info->callbacks->undefined_symbol
|
||
(info, h->root.root.string, input_bfd, input_section,
|
||
rel->r_vaddr - input_section->vma,
|
||
info->unresolved_syms_in_objects == RM_DIAGNOSE
|
||
&& !info->warn_unresolved_syms);
|
||
|
||
if (h->root.type == bfd_link_hash_defined
|
||
|| h->root.type == bfd_link_hash_defweak)
|
||
{
|
||
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)
|
||
{
|
||
sec = h->root.u.c.p->section;
|
||
val = (sec->output_section->vma
|
||
+ sec->output_offset);
|
||
}
|
||
else
|
||
{
|
||
BFD_ASSERT (bfd_link_relocatable (info)
|
||
|| (h->flags & XCOFF_DEF_DYNAMIC) != 0
|
||
|| (h->flags & XCOFF_IMPORT) != 0);
|
||
}
|
||
}
|
||
}
|
||
|
||
if (rel->r_type >= XCOFF_MAX_CALCULATE_RELOCATION
|
||
|| !((*xcoff64_calculate_relocation[rel->r_type])
|
||
(input_bfd, input_section, output_bfd, rel, sym, &howto, val,
|
||
addend, &relocation, contents)))
|
||
return false;
|
||
|
||
/* address */
|
||
address = rel->r_vaddr - input_section->vma;
|
||
location = contents + address;
|
||
|
||
if (address > input_section->size)
|
||
abort ();
|
||
|
||
/* Get the value we are going to relocate. */
|
||
if (1 == howto.size)
|
||
value_to_relocate = bfd_get_16 (input_bfd, location);
|
||
else if (2 == howto.size)
|
||
value_to_relocate = bfd_get_32 (input_bfd, location);
|
||
else
|
||
value_to_relocate = bfd_get_64 (input_bfd, location);
|
||
|
||
/* overflow.
|
||
|
||
FIXME: We may drop bits during the addition
|
||
which we don't check for. We must either check at every single
|
||
operation, which would be tedious, or we must do the computations
|
||
in a type larger than bfd_vma, which would be inefficient. */
|
||
|
||
if (((*xcoff_complain_overflow[howto.complain_on_overflow])
|
||
(input_bfd, value_to_relocate, relocation, &howto)))
|
||
{
|
||
const char *name;
|
||
char buf[SYMNMLEN + 1];
|
||
char reloc_type_name[10];
|
||
|
||
if (symndx == -1)
|
||
{
|
||
name = "*ABS*";
|
||
}
|
||
else if (h != NULL)
|
||
{
|
||
name = NULL;
|
||
}
|
||
else
|
||
{
|
||
name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
|
||
if (name == NULL)
|
||
name = "UNKNOWN";
|
||
}
|
||
sprintf (reloc_type_name, "0x%02x", rel->r_type);
|
||
|
||
(*info->callbacks->reloc_overflow)
|
||
(info, (h ? &h->root : NULL), name, reloc_type_name,
|
||
(bfd_vma) 0, input_bfd, input_section,
|
||
rel->r_vaddr - input_section->vma);
|
||
}
|
||
|
||
/* Add RELOCATION to the right bits of VALUE_TO_RELOCATE. */
|
||
value_to_relocate = ((value_to_relocate & ~howto.dst_mask)
|
||
| (((value_to_relocate & howto.src_mask)
|
||
+ relocation) & howto.dst_mask));
|
||
|
||
/* Put the value back in the object file. */
|
||
if (1 == howto.size)
|
||
bfd_put_16 (input_bfd, value_to_relocate, location);
|
||
else if (2 == howto.size)
|
||
bfd_put_32 (input_bfd, value_to_relocate, location);
|
||
else
|
||
bfd_put_64 (input_bfd, value_to_relocate, location);
|
||
|
||
}
|
||
return true;
|
||
}
|
||
|
||
|
||
/* PR 21786: The PE/COFF standard does not require NUL termination for any of
|
||
the ASCII fields in the archive headers. So in order to be able to extract
|
||
numerical values we provide our own versions of strtol and strtoll which
|
||
take a maximum length as an additional parameter. Also - just to save space,
|
||
we omit the endptr return parameter, since we know that it is never used. */
|
||
|
||
static long
|
||
_bfd_strntol (const char * nptr, int base, unsigned int maxlen)
|
||
{
|
||
char buf[24]; /* Should be enough. */
|
||
|
||
BFD_ASSERT (maxlen < (sizeof (buf) - 1));
|
||
|
||
memcpy (buf, nptr, maxlen);
|
||
buf[maxlen] = 0;
|
||
return strtol (buf, NULL, base);
|
||
}
|
||
|
||
static long long
|
||
_bfd_strntoll (const char * nptr, int base, unsigned int maxlen)
|
||
{
|
||
char buf[32]; /* Should be enough. */
|
||
|
||
BFD_ASSERT (maxlen < (sizeof (buf) - 1));
|
||
|
||
memcpy (buf, nptr, maxlen);
|
||
buf[maxlen] = 0;
|
||
return strtoll (buf, NULL, base);
|
||
}
|
||
|
||
/* Macro to read an ASCII value stored in an archive header field. */
|
||
#define GET_VALUE_IN_FIELD(VAR, FIELD, BASE) \
|
||
do \
|
||
{ \
|
||
(VAR) = (sizeof (VAR) > sizeof (long) \
|
||
? _bfd_strntoll (FIELD, BASE, sizeof FIELD) \
|
||
: _bfd_strntol (FIELD, BASE, sizeof FIELD)); \
|
||
} \
|
||
while (0)
|
||
|
||
/* Read in the armap of an XCOFF archive. */
|
||
|
||
static bool
|
||
xcoff64_slurp_armap (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)
|
||
{
|
||
abfd->has_armap = false;
|
||
return true;
|
||
}
|
||
|
||
off = bfd_scan_vma (xcoff_ardata_big (abfd)->symoff64,
|
||
(const char **) NULL, 10);
|
||
if (off == 0)
|
||
{
|
||
abfd->has_armap = 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 (&hdr, (bfd_size_type) SIZEOF_AR_HDR_BIG, abfd)
|
||
!= SIZEOF_AR_HDR_BIG)
|
||
return false;
|
||
|
||
/* Skip the name (normally empty). */
|
||
GET_VALUE_IN_FIELD (namlen, hdr.namlen, 10);
|
||
pos = ((namlen + 1) & ~(size_t) 1) + SXCOFFARFMAG;
|
||
if (bfd_seek (abfd, pos, SEEK_CUR) != 0)
|
||
return false;
|
||
|
||
sz = bfd_scan_vma (hdr.size, (const char **) NULL, 10);
|
||
if (sz + 1 < 9)
|
||
{
|
||
bfd_set_error (bfd_error_bad_value);
|
||
return false;
|
||
}
|
||
|
||
/* Read in the entire symbol table. */
|
||
contents = (bfd_byte *) _bfd_alloc_and_read (abfd, sz + 1, sz);
|
||
if (contents == NULL)
|
||
return false;
|
||
|
||
/* Ensure strings are NULL terminated so we don't wander off the end
|
||
of the buffer. */
|
||
contents[sz] = 0;
|
||
|
||
/* The symbol table starts with an eight byte count. */
|
||
c = H_GET_64 (abfd, contents);
|
||
|
||
if (c >= sz / 8)
|
||
{
|
||
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;
|
||
abfd->has_armap = true;
|
||
|
||
return true;
|
||
}
|
||
|
||
|
||
/* See if this is an NEW XCOFF archive. */
|
||
|
||
static bfd_cleanup
|
||
xcoff64_archive_p (bfd *abfd)
|
||
{
|
||
struct artdata *tdata_hold;
|
||
char magic[SXCOFFARMAG];
|
||
/* This is the new format. */
|
||
struct xcoff_ar_file_hdr_big hdr;
|
||
size_t amt = SXCOFFARMAG;
|
||
|
||
if (bfd_bread (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;
|
||
}
|
||
|
||
/* Copy over the magic string. */
|
||
memcpy (hdr.magic, magic, SXCOFFARMAG);
|
||
|
||
/* Now read the rest of the file header. */
|
||
amt = SIZEOF_AR_FILE_HDR_BIG - SXCOFFARMAG;
|
||
if (bfd_bread (&hdr.memoff, amt, abfd) != amt)
|
||
{
|
||
if (bfd_get_error () != bfd_error_system_call)
|
||
bfd_set_error (bfd_error_wrong_format);
|
||
return NULL;
|
||
}
|
||
|
||
tdata_hold = bfd_ardata (abfd);
|
||
|
||
amt = sizeof (struct artdata);
|
||
bfd_ardata (abfd) = (struct artdata *) bfd_zalloc (abfd, amt);
|
||
if (bfd_ardata (abfd) == (struct artdata *) NULL)
|
||
goto error_ret_restore;
|
||
|
||
/* Already cleared by bfd_zalloc above.
|
||
bfd_ardata (abfd)->cache = NULL;
|
||
bfd_ardata (abfd)->archive_head = NULL;
|
||
bfd_ardata (abfd)->symdefs = NULL;
|
||
bfd_ardata (abfd)->extended_names = NULL;
|
||
bfd_ardata (abfd)->extended_names_size = 0; */
|
||
bfd_ardata (abfd)->first_file_filepos = bfd_scan_vma (hdr.firstmemoff,
|
||
(const char **) NULL,
|
||
10);
|
||
|
||
amt = SIZEOF_AR_FILE_HDR_BIG;
|
||
bfd_ardata (abfd)->tdata = bfd_zalloc (abfd, amt);
|
||
if (bfd_ardata (abfd)->tdata == NULL)
|
||
goto error_ret;
|
||
|
||
memcpy (bfd_ardata (abfd)->tdata, &hdr, SIZEOF_AR_FILE_HDR_BIG);
|
||
|
||
if (! xcoff64_slurp_armap (abfd))
|
||
{
|
||
error_ret:
|
||
bfd_release (abfd, bfd_ardata (abfd));
|
||
error_ret_restore:
|
||
bfd_ardata (abfd) = tdata_hold;
|
||
return NULL;
|
||
}
|
||
|
||
return _bfd_no_cleanup;
|
||
}
|
||
|
||
|
||
/* Open the next element in an XCOFF archive. */
|
||
|
||
static bfd *
|
||
xcoff64_openr_next_archived_file (bfd *archive, bfd *last_file)
|
||
{
|
||
bfd_vma 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
|
||
{
|
||
filestart = bfd_scan_vma (arch_xhdr_big (last_file)->nextoff,
|
||
(const char **) NULL, 10);
|
||
}
|
||
|
||
if (filestart == 0
|
||
|| filestart == bfd_scan_vma (xcoff_ardata_big (archive)->memoff,
|
||
(const char **) NULL, 10)
|
||
|| filestart == bfd_scan_vma (xcoff_ardata_big (archive)->symoff,
|
||
(const char **) NULL, 10))
|
||
{
|
||
bfd_set_error (bfd_error_no_more_archived_files);
|
||
return NULL;
|
||
}
|
||
|
||
return _bfd_get_elt_at_filepos (archive, (file_ptr) filestart);
|
||
}
|
||
|
||
/* We can't use the usual coff_sizeof_headers routine, because AIX
|
||
always uses an a.out header. */
|
||
|
||
static int
|
||
xcoff64_sizeof_headers (bfd *abfd,
|
||
struct bfd_link_info *info 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 (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 * const names[] =
|
||
{
|
||
".pr", ".ro", ".db", ".tc", ".ua", ".rw", ".gl", ".xo",
|
||
NULL, ".bs", ".ds", ".uc", NULL, NULL, NULL, ".tc0",
|
||
".td", ".sv64", ".sv3264", NULL, ".tl", ".ul", ".te"
|
||
};
|
||
|
||
if ((aux->x_csect.x_smclas < ARRAY_SIZE (names))
|
||
&& (NULL != names[aux->x_csect.x_smclas]))
|
||
{
|
||
|
||
return_value = bfd_make_section_anyway
|
||
(abfd, names[aux->x_csect.x_smclas]);
|
||
|
||
}
|
||
else
|
||
{
|
||
_bfd_error_handler
|
||
/* xgettext: c-format */
|
||
(_("%pB: symbol `%s' has unrecognized smclas %d"),
|
||
abfd, symbol_name, aux->x_csect.x_smclas);
|
||
bfd_set_error (bfd_error_bad_value);
|
||
}
|
||
|
||
return return_value;
|
||
}
|
||
|
||
static bool
|
||
xcoff64_is_lineno_count_overflow (bfd *abfd ATTRIBUTE_UNUSED,
|
||
bfd_vma value ATTRIBUTE_UNUSED)
|
||
{
|
||
return false;
|
||
}
|
||
|
||
static bool
|
||
xcoff64_is_reloc_count_overflow (bfd *abfd ATTRIBUTE_UNUSED,
|
||
bfd_vma value ATTRIBUTE_UNUSED)
|
||
{
|
||
return false;
|
||
}
|
||
|
||
static bfd_vma
|
||
xcoff64_loader_symbol_offset (bfd *abfd ATTRIBUTE_UNUSED,
|
||
struct internal_ldhdr *ldhdr)
|
||
{
|
||
return (ldhdr->l_symoff);
|
||
}
|
||
|
||
static bfd_vma
|
||
xcoff64_loader_reloc_offset (bfd *abfd ATTRIBUTE_UNUSED,
|
||
struct internal_ldhdr *ldhdr)
|
||
{
|
||
return (ldhdr->l_rldoff);
|
||
}
|
||
|
||
static bool
|
||
xcoff64_bad_format_hook (bfd * abfd, void *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 bool
|
||
xcoff64_generate_rtinit (bfd *abfd, const char *init, const char *fini,
|
||
bool 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) &~ (bfd_size_type) 7;
|
||
data_buffer = NULL;
|
||
data_buffer = (bfd_byte *) bfd_zmalloc (data_buffer_size);
|
||
if (data_buffer == NULL)
|
||
return false;
|
||
|
||
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 (rtld)
|
||
string_table_size += strlen (rtld_name) + 1;
|
||
|
||
string_table = (bfd_byte *) bfd_zmalloc (string_table_size);
|
||
if (string_table == NULL)
|
||
return false;
|
||
|
||
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 const 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_xcoff64_swap_sym_in,
|
||
_bfd_xcoff64_swap_lineno_in,
|
||
_bfd_xcoff64_swap_aux_out,
|
||
_bfd_xcoff64_swap_sym_out,
|
||
_bfd_xcoff64_swap_lineno_out,
|
||
xcoff64_swap_reloc_out,
|
||
coff_swap_filehdr_out,
|
||
coff_swap_aouthdr_out,
|
||
coff_swap_scnhdr_out,
|
||
FILHSZ,
|
||
AOUTSZ,
|
||
SCNHSZ,
|
||
SYMESZ,
|
||
AUXESZ,
|
||
RELSZ,
|
||
LINESZ,
|
||
FILNMLEN,
|
||
true, /* _bfd_coff_long_filenames */
|
||
XCOFF_NO_LONG_SECTION_NAMES, /* _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 */
|
||
32768, /* _bfd_coff_max_nscns */
|
||
coff_swap_filehdr_in,
|
||
coff_swap_aouthdr_in,
|
||
coff_swap_scnhdr_in,
|
||
xcoff64_swap_reloc_in,
|
||
xcoff64_bad_format_hook,
|
||
coff_set_arch_mach_hook,
|
||
coff_mkobject_hook,
|
||
styp_to_sec_flags,
|
||
coff_set_alignment_hook,
|
||
coff_slurp_symbol_table,
|
||
symname_in_debug_hook,
|
||
coff_pointerize_aux_hook,
|
||
coff_print_aux,
|
||
dummy_reloc16_extra_cases,
|
||
dummy_reloc16_estimate,
|
||
NULL, /* bfd_coff_symbol_classification */
|
||
coff_compute_section_file_positions,
|
||
NULL, /* _bfd_coff_start_final_link */
|
||
xcoff64_ppc_relocate_section,
|
||
coff_rtype_to_howto,
|
||
NULL, /* _bfd_coff_adjust_symndx */
|
||
_bfd_generic_link_add_one_symbol,
|
||
coff_link_output_has_begun,
|
||
coff_final_link_postscript,
|
||
NULL /* print_pdata. */
|
||
},
|
||
|
||
0x01EF, /* magic number */
|
||
bfd_arch_powerpc,
|
||
bfd_mach_ppc_620,
|
||
|
||
/* Function pointers to xcoff specific swap routines. */
|
||
xcoff64_swap_ldhdr_in,
|
||
xcoff64_swap_ldhdr_out,
|
||
xcoff64_swap_ldsym_in,
|
||
xcoff64_swap_ldsym_out,
|
||
xcoff64_swap_ldrel_in,
|
||
xcoff64_swap_ldrel_out,
|
||
|
||
/* Sizes. */
|
||
LDHDRSZ,
|
||
LDSYMSZ,
|
||
LDRELSZ,
|
||
24, /* _xcoff_function_descriptor_size */
|
||
0, /* _xcoff_small_aout_header_size */
|
||
|
||
/* Versions. */
|
||
2, /* _xcoff_ldhdr_version */
|
||
|
||
_bfd_xcoff64_put_symbol_name,
|
||
_bfd_xcoff64_put_ldsymbol_name,
|
||
&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,
|
||
};
|
||
|
||
/* The transfer vector that leads the outside world to all of the above. */
|
||
const bfd_target rs6000_xcoff64_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 | HAS_LINENO | HAS_DEBUG | DYNAMIC
|
||
| HAS_SYMS | HAS_LOCALS | WP_TEXT),
|
||
|
||
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA,
|
||
0, /* leading char */
|
||
'/', /* ar_pad_char */
|
||
15, /* ar_max_namelen */
|
||
0, /* match priority. */
|
||
TARGET_KEEP_UNUSED_SECTION_SYMBOLS, /* keep unused section symbols. */
|
||
|
||
/* data */
|
||
bfd_getb64,
|
||
bfd_getb_signed_64,
|
||
bfd_putb64,
|
||
bfd_getb32,
|
||
bfd_getb_signed_32,
|
||
bfd_putb32,
|
||
bfd_getb16,
|
||
bfd_getb_signed_16,
|
||
bfd_putb16,
|
||
|
||
/* hdrs */
|
||
bfd_getb64,
|
||
bfd_getb_signed_64,
|
||
bfd_putb64,
|
||
bfd_getb32,
|
||
bfd_getb_signed_32,
|
||
bfd_putb32,
|
||
bfd_getb16,
|
||
bfd_getb_signed_16,
|
||
bfd_putb16,
|
||
|
||
{ /* bfd_check_format */
|
||
_bfd_dummy_target,
|
||
coff_object_p,
|
||
xcoff64_archive_p,
|
||
CORE_FILE_P
|
||
},
|
||
|
||
{ /* bfd_set_format */
|
||
_bfd_bool_bfd_false_error,
|
||
coff_mkobject,
|
||
_bfd_generic_mkarchive,
|
||
_bfd_bool_bfd_false_error
|
||
},
|
||
|
||
{/* bfd_write_contents */
|
||
_bfd_bool_bfd_false_error,
|
||
coff_write_object_contents,
|
||
_bfd_xcoff_write_archive_contents,
|
||
_bfd_bool_bfd_false_error
|
||
},
|
||
|
||
/* Generic */
|
||
_bfd_archive_close_and_cleanup,
|
||
_bfd_bool_bfd_true,
|
||
coff_new_section_hook,
|
||
_bfd_generic_get_section_contents,
|
||
_bfd_generic_get_section_contents_in_window,
|
||
|
||
/* Copy */
|
||
_bfd_xcoff_copy_private_bfd_data,
|
||
_bfd_generic_bfd_merge_private_bfd_data,
|
||
_bfd_generic_init_private_section_data,
|
||
_bfd_generic_bfd_copy_private_section_data,
|
||
_bfd_generic_bfd_copy_private_symbol_data,
|
||
_bfd_generic_bfd_copy_private_header_data,
|
||
_bfd_generic_bfd_set_private_flags,
|
||
_bfd_generic_bfd_print_private_bfd_data,
|
||
|
||
/* Core */
|
||
BFD_JUMP_TABLE_CORE (coff),
|
||
|
||
/* Archive */
|
||
xcoff64_slurp_armap,
|
||
_bfd_noarchive_slurp_extended_name_table,
|
||
_bfd_noarchive_construct_extended_name_table,
|
||
bfd_dont_truncate_arname,
|
||
_bfd_xcoff_write_armap,
|
||
_bfd_xcoff_read_ar_hdr,
|
||
_bfd_generic_write_ar_hdr,
|
||
xcoff64_openr_next_archived_file,
|
||
_bfd_generic_get_elt_at_index,
|
||
_bfd_xcoff_stat_arch_elt,
|
||
_bfd_bool_bfd_true,
|
||
|
||
/* Symbols */
|
||
coff_get_symtab_upper_bound,
|
||
coff_canonicalize_symtab,
|
||
coff_make_empty_symbol,
|
||
coff_print_symbol,
|
||
coff_get_symbol_info,
|
||
coff_get_symbol_version_string,
|
||
_bfd_xcoff_is_local_label_name,
|
||
coff_bfd_is_target_special_symbol,
|
||
coff_get_lineno,
|
||
coff_find_nearest_line,
|
||
coff_find_line,
|
||
coff_find_inliner_info,
|
||
coff_bfd_make_debug_symbol,
|
||
_bfd_generic_read_minisymbols,
|
||
_bfd_generic_minisymbol_to_symbol,
|
||
|
||
/* Reloc */
|
||
coff_get_reloc_upper_bound,
|
||
coff_canonicalize_reloc,
|
||
_bfd_generic_set_reloc,
|
||
xcoff64_reloc_type_lookup,
|
||
xcoff64_reloc_name_lookup,
|
||
|
||
/* Write */
|
||
coff_set_arch_mach,
|
||
coff_set_section_contents,
|
||
|
||
/* Link */
|
||
xcoff64_sizeof_headers,
|
||
bfd_generic_get_relocated_section_contents,
|
||
bfd_generic_relax_section,
|
||
_bfd_xcoff_bfd_link_hash_table_create,
|
||
_bfd_xcoff_bfd_link_add_symbols,
|
||
_bfd_generic_link_just_syms,
|
||
_bfd_generic_copy_link_hash_symbol_type,
|
||
_bfd_xcoff_bfd_final_link,
|
||
_bfd_generic_link_split_section,
|
||
_bfd_generic_link_check_relocs,
|
||
bfd_generic_gc_sections,
|
||
bfd_generic_lookup_section_flags,
|
||
bfd_generic_merge_sections,
|
||
bfd_generic_is_group_section,
|
||
bfd_generic_group_name,
|
||
bfd_generic_discard_group,
|
||
_bfd_generic_section_already_linked,
|
||
_bfd_xcoff_define_common_symbol,
|
||
_bfd_generic_link_hide_symbol,
|
||
bfd_generic_define_start_stop,
|
||
|
||
/* Dynamic */
|
||
_bfd_xcoff_get_dynamic_symtab_upper_bound,
|
||
_bfd_xcoff_canonicalize_dynamic_symtab,
|
||
_bfd_nodynamic_get_synthetic_symtab,
|
||
_bfd_xcoff_get_dynamic_reloc_upper_bound,
|
||
_bfd_xcoff_canonicalize_dynamic_reloc,
|
||
|
||
/* Opposite endian version, none exists */
|
||
NULL,
|
||
|
||
&bfd_xcoff_backend_data,
|
||
};
|
||
|
||
extern bfd_cleanup xcoff64_core_p
|
||
(bfd *);
|
||
extern bool xcoff64_core_file_matches_executable_p
|
||
(bfd *, bfd *);
|
||
extern char *xcoff64_core_file_failing_command
|
||
(bfd *);
|
||
extern int xcoff64_core_file_failing_signal
|
||
(bfd *);
|
||
#define xcoff64_core_file_pid _bfd_nocore_core_file_pid
|
||
|
||
/* 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_xcoff64_swap_sym_in,
|
||
_bfd_xcoff64_swap_lineno_in,
|
||
_bfd_xcoff64_swap_aux_out,
|
||
_bfd_xcoff64_swap_sym_out,
|
||
_bfd_xcoff64_swap_lineno_out,
|
||
xcoff64_swap_reloc_out,
|
||
coff_swap_filehdr_out,
|
||
coff_swap_aouthdr_out,
|
||
coff_swap_scnhdr_out,
|
||
FILHSZ,
|
||
AOUTSZ,
|
||
SCNHSZ,
|
||
SYMESZ,
|
||
AUXESZ,
|
||
RELSZ,
|
||
LINESZ,
|
||
FILNMLEN,
|
||
true, /* _bfd_coff_long_filenames */
|
||
XCOFF_NO_LONG_SECTION_NAMES, /* _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 */
|
||
32768, /* _bfd_coff_max_nscns */
|
||
coff_swap_filehdr_in,
|
||
coff_swap_aouthdr_in,
|
||
coff_swap_scnhdr_in,
|
||
xcoff64_swap_reloc_in,
|
||
xcoff64_bad_format_hook,
|
||
coff_set_arch_mach_hook,
|
||
coff_mkobject_hook,
|
||
styp_to_sec_flags,
|
||
coff_set_alignment_hook,
|
||
coff_slurp_symbol_table,
|
||
symname_in_debug_hook,
|
||
coff_pointerize_aux_hook,
|
||
coff_print_aux,
|
||
dummy_reloc16_extra_cases,
|
||
dummy_reloc16_estimate,
|
||
NULL, /* bfd_coff_sym_is_global */
|
||
coff_compute_section_file_positions,
|
||
NULL, /* _bfd_coff_start_final_link */
|
||
xcoff64_ppc_relocate_section,
|
||
coff_rtype_to_howto,
|
||
NULL, /* _bfd_coff_adjust_symndx */
|
||
_bfd_generic_link_add_one_symbol,
|
||
coff_link_output_has_begun,
|
||
coff_final_link_postscript,
|
||
NULL /* print_pdata. */
|
||
},
|
||
|
||
U64_TOCMAGIC, /* magic number */
|
||
bfd_arch_powerpc,
|
||
bfd_mach_ppc_620,
|
||
|
||
/* Function pointers to xcoff specific swap routines. */
|
||
xcoff64_swap_ldhdr_in,
|
||
xcoff64_swap_ldhdr_out,
|
||
xcoff64_swap_ldsym_in,
|
||
xcoff64_swap_ldsym_out,
|
||
xcoff64_swap_ldrel_in,
|
||
xcoff64_swap_ldrel_out,
|
||
|
||
/* Sizes. */
|
||
LDHDRSZ,
|
||
LDSYMSZ,
|
||
LDRELSZ,
|
||
24, /* _xcoff_function_descriptor_size */
|
||
0, /* _xcoff_small_aout_header_size */
|
||
/* Versions. */
|
||
2, /* _xcoff_ldhdr_version */
|
||
|
||
_bfd_xcoff64_put_symbol_name,
|
||
_bfd_xcoff64_put_ldsymbol_name,
|
||
&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,
|
||
};
|
||
|
||
/* The transfer vector that leads the outside world to all of the above. */
|
||
const bfd_target rs6000_xcoff64_aix_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 | HAS_LINENO | HAS_DEBUG | DYNAMIC
|
||
| HAS_SYMS | HAS_LOCALS | WP_TEXT),
|
||
|
||
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA,
|
||
0, /* leading char */
|
||
'/', /* ar_pad_char */
|
||
15, /* ar_max_namelen */
|
||
0, /* match priority. */
|
||
TARGET_KEEP_UNUSED_SECTION_SYMBOLS, /* keep unused section symbols. */
|
||
|
||
/* data */
|
||
bfd_getb64,
|
||
bfd_getb_signed_64,
|
||
bfd_putb64,
|
||
bfd_getb32,
|
||
bfd_getb_signed_32,
|
||
bfd_putb32,
|
||
bfd_getb16,
|
||
bfd_getb_signed_16,
|
||
bfd_putb16,
|
||
|
||
/* hdrs */
|
||
bfd_getb64,
|
||
bfd_getb_signed_64,
|
||
bfd_putb64,
|
||
bfd_getb32,
|
||
bfd_getb_signed_32,
|
||
bfd_putb32,
|
||
bfd_getb16,
|
||
bfd_getb_signed_16,
|
||
bfd_putb16,
|
||
|
||
{ /* bfd_check_format */
|
||
_bfd_dummy_target,
|
||
coff_object_p,
|
||
xcoff64_archive_p,
|
||
xcoff64_core_p
|
||
},
|
||
|
||
{ /* bfd_set_format */
|
||
_bfd_bool_bfd_false_error,
|
||
coff_mkobject,
|
||
_bfd_generic_mkarchive,
|
||
_bfd_bool_bfd_false_error
|
||
},
|
||
|
||
{/* bfd_write_contents */
|
||
_bfd_bool_bfd_false_error,
|
||
coff_write_object_contents,
|
||
_bfd_xcoff_write_archive_contents,
|
||
_bfd_bool_bfd_false_error
|
||
},
|
||
|
||
/* Generic */
|
||
_bfd_archive_close_and_cleanup,
|
||
_bfd_bool_bfd_true,
|
||
coff_new_section_hook,
|
||
_bfd_generic_get_section_contents,
|
||
_bfd_generic_get_section_contents_in_window,
|
||
|
||
/* Copy */
|
||
_bfd_xcoff_copy_private_bfd_data,
|
||
_bfd_generic_bfd_merge_private_bfd_data,
|
||
_bfd_generic_init_private_section_data,
|
||
_bfd_generic_bfd_copy_private_section_data,
|
||
_bfd_generic_bfd_copy_private_symbol_data,
|
||
_bfd_generic_bfd_copy_private_header_data,
|
||
_bfd_generic_bfd_set_private_flags,
|
||
_bfd_generic_bfd_print_private_bfd_data,
|
||
|
||
/* Core */
|
||
BFD_JUMP_TABLE_CORE (xcoff64),
|
||
|
||
/* Archive */
|
||
xcoff64_slurp_armap,
|
||
_bfd_noarchive_slurp_extended_name_table,
|
||
_bfd_noarchive_construct_extended_name_table,
|
||
bfd_dont_truncate_arname,
|
||
_bfd_xcoff_write_armap,
|
||
_bfd_xcoff_read_ar_hdr,
|
||
_bfd_generic_write_ar_hdr,
|
||
xcoff64_openr_next_archived_file,
|
||
_bfd_generic_get_elt_at_index,
|
||
_bfd_xcoff_stat_arch_elt,
|
||
_bfd_bool_bfd_true,
|
||
|
||
/* Symbols */
|
||
coff_get_symtab_upper_bound,
|
||
coff_canonicalize_symtab,
|
||
coff_make_empty_symbol,
|
||
coff_print_symbol,
|
||
coff_get_symbol_info,
|
||
coff_get_symbol_version_string,
|
||
_bfd_xcoff_is_local_label_name,
|
||
coff_bfd_is_target_special_symbol,
|
||
coff_get_lineno,
|
||
coff_find_nearest_line,
|
||
coff_find_line,
|
||
coff_find_inliner_info,
|
||
coff_bfd_make_debug_symbol,
|
||
_bfd_generic_read_minisymbols,
|
||
_bfd_generic_minisymbol_to_symbol,
|
||
|
||
/* Reloc */
|
||
coff_get_reloc_upper_bound,
|
||
coff_canonicalize_reloc,
|
||
_bfd_generic_set_reloc,
|
||
xcoff64_reloc_type_lookup,
|
||
xcoff64_reloc_name_lookup,
|
||
|
||
/* Write */
|
||
coff_set_arch_mach,
|
||
coff_set_section_contents,
|
||
|
||
/* Link */
|
||
xcoff64_sizeof_headers,
|
||
bfd_generic_get_relocated_section_contents,
|
||
bfd_generic_relax_section,
|
||
_bfd_xcoff_bfd_link_hash_table_create,
|
||
_bfd_xcoff_bfd_link_add_symbols,
|
||
_bfd_generic_link_just_syms,
|
||
_bfd_generic_copy_link_hash_symbol_type,
|
||
_bfd_xcoff_bfd_final_link,
|
||
_bfd_generic_link_split_section,
|
||
_bfd_generic_link_check_relocs,
|
||
bfd_generic_gc_sections,
|
||
bfd_generic_lookup_section_flags,
|
||
bfd_generic_merge_sections,
|
||
bfd_generic_is_group_section,
|
||
bfd_generic_group_name,
|
||
bfd_generic_discard_group,
|
||
_bfd_generic_section_already_linked,
|
||
_bfd_xcoff_define_common_symbol,
|
||
_bfd_generic_link_hide_symbol,
|
||
bfd_generic_define_start_stop,
|
||
|
||
/* Dynamic */
|
||
_bfd_xcoff_get_dynamic_symtab_upper_bound,
|
||
_bfd_xcoff_canonicalize_dynamic_symtab,
|
||
_bfd_nodynamic_get_synthetic_symtab,
|
||
_bfd_xcoff_get_dynamic_reloc_upper_bound,
|
||
_bfd_xcoff_canonicalize_dynamic_reloc,
|
||
|
||
/* Opposite endian version, none exists. */
|
||
NULL,
|
||
|
||
& bfd_xcoff_aix5_backend_data,
|
||
};
|