157090f728
* aout-arm.c (MY_bfd_reloc_name_lookup): Define. (MY (bfd_reloc_name_lookup)): New function. * aout-ns32k.c (MY (bfd_reloc_name_lookup)): New function. * aout-target.h (NAME (aout, reloc_name_lookup)): Declare. (MY_bfd_reloc_name_lookup): Define. * aout-tic30.c (tic30_aout_reloc_name_lookup): New function. (MY_bfd_reloc_name_lookup): Define. * aoutx.h (NAME (aout, reloc_type_lookup)): Don't declare. (NAME (aout, reloc_name_lookup)): New function. * bout.c (b_out_bfd_reloc_name_lookup): New function. * coff-alpha.c (alpha_bfd_reloc_name_lookup): New function. (_bfd_ecoff_bfd_reloc_name_lookup): Define. * coff-arm.c (coff_arm_reloc_name_lookup): New function. (coff_bfd_reloc_name_lookup): Define. * coff-i386.c (coff_bfd_reloc_name_lookup): Define. (coff_i386_reloc_name_lookup): New function. * coff-i860.c (coff_i860_reloc_name_lookup): New function. (coff_bfd_reloc_name_lookup): Define. * coff-i960.c (coff_i960_reloc_name_lookup): New function. (coff_bfd_reloc_name_lookup): Define. * coff-m68k.c (m68k_reloc_name_lookup): New function. (coff_bfd_reloc_name_lookup): Define. * coff-maxq.c (maxq_reloc_name_lookup): New function. (coff_bfd_reloc_name_lookup): Define. * coff-mcore.c (mcore_coff_reloc_name_lookup): New function. (coff_bfd_reloc_name_lookup): Define. * coff-mips.c (mips_bfd_reloc_name_lookup): New function. (_bfd_ecoff_bfd_reloc_name_lookup): Define. * coff-ppc.c (ppc_coff_reloc_name_lookup): New function. (coff_bfd_reloc_name_lookup): Define. * coff-rs6000.c (coff_bfd_reloc_name_lookup): Define. (_bfd_xcoff_reloc_name_lookup): New function. (rs6000coff_vec, pmac_xcoff_vec): Init new field. * coff-sh.c (coff_bfd_reloc_name_lookup): Define. (sh_coff_reloc_name_lookup): New function. * coff-sparc.c (coff_sparc_reloc_name_lookup): New function. (coff_bfd_reloc_name_lookup): Define. * coff-tic30.c (coff_bfd_reloc_name_lookup): Define. (tic30_coff_reloc_name_lookup): New function. * coff-tic4x.c (coff_bfd_reloc_name_lookup): Define. (tic4x_coff_reloc_name_lookup): New function. * coff-tic54x.c (coff_bfd_reloc_name_lookup): Define. (tic54x_coff_reloc_name_lookup): New function. * coff-x86_64.c (coff_bfd_reloc_name_lookup): Define. (coff_amd64_reloc_name_lookup): New function. * coff-z80.c (coff_z80_reloc_name_lookup): New function. (coff_bfd_reloc_name_lookup): Define. * coff-z8k.c (coff_z8k_reloc_name_lookup): New function. (coff_bfd_reloc_name_lookup): Define. * coff64-rs6000.c (coff_bfd_reloc_name_lookup): Define. (xcoff64_reloc_name_lookup): New function. (rs6000coff64_vec, aix5coff64_vec): Init new field. * coffcode.h (coff_bfd_reloc_name_lookup): Define. * elf-hppa.h (elf_hppa_reloc_name_lookup): New function. * elf-m10200.c (bfd_elf32_bfd_reloc_name_lookup): New function. * elf-m10300.c (bfd_elf32_bfd_reloc_name_lookup): New function. * elf32-arc.c (bfd_elf32_bfd_reloc_name_lookup): New function. * elf32-arm.c (elf32_arm_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-avr.c (bfd_elf32_bfd_reloc_name_lookup): New function. * elf32-bfin.c (bfin_bfd_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-cr16c.c (elf_cr16c_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-cris.c (cris_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-crx.c (elf_crx_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-d10v.c (bfd_elf32_bfd_reloc_name_lookup): New function. * elf32-d30v.c (bfd_elf32_bfd_reloc_name_lookup): New function. * elf32-dlx.c (elf32_dlx_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-fr30.c (fr30_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-frv.c (frv_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-gen.c (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-h8300.c (elf32_h8_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-hppa.c (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-i370.c (i370_elf_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-i386.c (elf_i386_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-i860.c (elf32_i860_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-i960.c (elf32_i960_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-ip2k.c (ip2k_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-iq2000.c (iq2000_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-m32c.c (m32c_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-m32r.c (bfd_elf32_bfd_reloc_name_lookup): New function. * elf32-m68hc11.c (bfd_elf32_bfd_reloc_name_lookup): New function. * elf32-m68hc12.c (bfd_elf32_bfd_reloc_name_lookup): New function. * elf32-m68k.c (reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-m88k.c (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-mcore.c (mcore_elf_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-mep.c (mep_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-mips.c (bfd_elf32_bfd_reloc_name_lookup): New function. (mips_vxworks_bfd_reloc_name_lookup): Likewise. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-msp430.c (bfd_elf32_bfd_reloc_name_lookup): New function. * elf32-mt.c (mt_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-openrisc.c (openrisc_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-or32.c (bfd_elf32_bfd_reloc_name_lookup): New function. * elf32-pj.c (pj_elf_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-ppc.c (ppc_elf_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-s390.c (elf_s390_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-score.c (elf32_score_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-sh.c (sh_elf_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-sparc.c (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-spu.c (spu_elf_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-v850.c (v850_elf_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-vax.c (reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-xc16x.c (xc16x_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-xstormy16.c (xstormy16_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf32-xtensa.c (elf_xtensa_reloc_name_lookup): New function. (bfd_elf32_bfd_reloc_name_lookup): Define. * elf64-alpha.c (elf64_alpha_bfd_reloc_name_lookup): New function. (bfd_elf64_bfd_reloc_name_lookup): Define. * elf64-gen.c (bfd_elf64_bfd_reloc_name_lookup): Define. * elf64-hppa.c (bfd_elf64_bfd_reloc_name_lookup): Define. * elf64-mips.c (bfd_elf64_bfd_reloc_name_lookup): New function. * elf64-mmix.c (bfd_elf64_bfd_reloc_name_lookup): New function. * elf64-ppc.c (ppc64_elf_reloc_name_lookup): New function. (bfd_elf64_bfd_reloc_name_lookup): Define. * elf64-s390.c (elf_s390_reloc_name_lookup): New function. (bfd_elf64_bfd_reloc_name_lookup): Define. * elf64-sh64.c (sh_elf64_reloc_name_lookup): New function. (bfd_elf64_bfd_reloc_name_lookup): Define. * elf64-sparc.c (bfd_elf64_bfd_reloc_name_lookup): Define. * elf64-x86-64.c (elf64_x86_64_reloc_name_lookup): New function. (bfd_elf64_bfd_reloc_name_lookup): Define. * elfn32-mips.c (bfd_elf32_bfd_reloc_name_lookup): New function. * elfxx-ia64.c (elfNN_ia64_reloc_name_lookup): New function. (bfd_elfNN_bfd_reloc_name_lookup): Define. * elfxx-sparc.c (_bfd_sparc_elf_reloc_name_lookup): New function. * elfxx-sparc.h (_bfd_sparc_elf_reloc_name_lookup): Declare. * i386msdos.c (msdos_bfd_reloc_name_lookup): Define. * i386os9k.c (aout_32_bfd_reloc_name_lookup): Define. * ieee.c (ieee_bfd_reloc_name_lookup): Define. * libaout.h (NAME (aout, reloc_name_lookup)): Declare. * libbfd-in.h (_bfd_norelocs_bfd_reloc_name_lookup): Declare. * mipsbsd.c (MY_bfd_reloc_name_lookup): Define. (MY(reloc_type_lookup)): Rename from MY(reloc_howto_type_lookup). (MY(reloc_name_lookup)): New function. * nlm-target.h (nlm_bfd_reloc_name_lookup): Define. * oasys.c (oasys_bfd_reloc_name_lookup): Define. * pdp11.c (NAME (aout, reloc_name_lookup)): New function. * pe-mips.c (coff_mips_reloc_name_lookup): New function. (coff_bfd_reloc_name_lookup): Define. * reloc.c (bfd_reloc_name_lookup): New function. * riscix.c (riscix_reloc_name_lookup): New function. (MY_bfd_reloc_name_lookup): Define. * som.c (som_bfd_reloc_name_lookup): New function. * targets.c (struct bfd_target): Add reloc_name_lookup. (BFD_JUMP_TABLE_RELOCS): Add NAME##_bfd_reloc_name_lookup. * versados.c (versados_bfd_reloc_name_lookup): Define. * vms.c (vms_bfd_reloc_name_lookup): New function. * bfd-in2.h: Regenerate. * libbfd.h: Regenerate.
920 lines
26 KiB
C
920 lines
26 KiB
C
/* BFD back-end for MIPS PE COFF files.
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Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
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2000, 2001, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
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Modified from coff-i386.c by DJ Delorie, dj@cygnus.com
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#define COFF_WITH_PE
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#define COFF_LONG_SECTION_NAMES
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#define PCRELOFFSET TRUE
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#include "bfd.h"
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#include "sysdep.h"
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#include "libbfd.h"
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#include "coff/mipspe.h"
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#include "coff/internal.h"
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#include "coff/pe.h"
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#include "libcoff.h"
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#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER 2
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/* The page size is a guess based on ELF. */
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#define COFF_PAGE_SIZE 0x1000
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/* For some reason when using mips COFF the value stored in the .text
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section for a reference to a common symbol is the value itself plus
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any desired offset. Ian Taylor, Cygnus Support. */
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/* If we are producing relocatable output, we need to do some
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adjustments to the object file that are not done by the
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bfd_perform_relocation function. This function is called by every
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reloc type to make any required adjustments. */
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static bfd_reloc_status_type
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coff_mips_reloc (bfd *abfd,
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arelent *reloc_entry,
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asymbol *symbol,
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void * data,
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asection *input_section ATTRIBUTE_UNUSED,
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bfd *output_bfd,
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char **error_message ATTRIBUTE_UNUSED)
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{
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symvalue diff;
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if (output_bfd == NULL)
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return bfd_reloc_continue;
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if (bfd_is_com_section (symbol->section))
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{
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#ifndef COFF_WITH_PE
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/* We are relocating a common symbol. The current value in the
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object file is ORIG + OFFSET, where ORIG is the value of the
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common symbol as seen by the object file when it was compiled
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(this may be zero if the symbol was undefined) and OFFSET is
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the offset into the common symbol (normally zero, but may be
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non-zero when referring to a field in a common structure).
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ORIG is the negative of reloc_entry->addend, which is set by
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the CALC_ADDEND macro below. We want to replace the value in
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the object file with NEW + OFFSET, where NEW is the value of
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the common symbol which we are going to put in the final
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object file. NEW is symbol->value. */
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diff = symbol->value + reloc_entry->addend;
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#else
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/* In PE mode, we do not offset the common symbol. */
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diff = reloc_entry->addend;
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#endif
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}
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else
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/* For some reason bfd_perform_relocation always effectively
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ignores the addend for a COFF target when producing
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relocatable output. This seems to be always wrong for 386
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COFF, so we handle the addend here instead. */
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diff = reloc_entry->addend;
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#define DOIT(x) \
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x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + (diff >> howto->rightshift)) & howto->dst_mask))
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if (diff != 0)
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{
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reloc_howto_type *howto = reloc_entry->howto;
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unsigned char *addr = (unsigned char *) data + reloc_entry->address;
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switch (howto->size)
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{
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case 0:
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{
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char x = bfd_get_8 (abfd, addr);
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DOIT (x);
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bfd_put_8 (abfd, x, addr);
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}
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break;
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case 1:
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{
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short x = bfd_get_16 (abfd, addr);
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DOIT (x);
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bfd_put_16 (abfd, (bfd_vma) x, addr);
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}
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break;
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case 2:
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{
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long x = bfd_get_32 (abfd, addr);
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DOIT (x);
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bfd_put_32 (abfd, (bfd_vma) x, addr);
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}
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break;
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default:
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abort ();
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}
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}
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/* Now let bfd_perform_relocation finish everything up. */
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return bfd_reloc_continue;
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}
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#ifdef COFF_WITH_PE
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/* Return TRUE if this relocation should
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appear in the output .reloc section. */
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static bfd_boolean
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in_reloc_p (bfd * abfd ATTRIBUTE_UNUSED, reloc_howto_type *howto)
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{
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return ! howto->pc_relative && howto->type != MIPS_R_RVA;
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}
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#endif
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#ifndef PCRELOFFSET
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#define PCRELOFFSET FALSE
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#endif
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static reloc_howto_type howto_table[] =
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{
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/* Reloc type 0 is ignored. The reloc reading code ensures that
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this is a reference to the .abs section, which will cause
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bfd_perform_relocation to do nothing. */
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HOWTO (MIPS_R_ABSOLUTE, /* Type. */
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0, /* Rightshift. */
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0, /* Size (0 = byte, 1 = short, 2 = long). */
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8, /* Bitsize. */
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FALSE, /* PC_relative. */
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0, /* Bitpos. */
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complain_overflow_dont, /* Complain_on_overflow. */
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0, /* Special_function. */
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"IGNORE", /* Name. */
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FALSE, /* Partial_inplace. */
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0, /* Src_mask. */
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0, /* Dst_mask. */
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FALSE), /* Pcrel_offset. */
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/* A 16 bit reference to a symbol, normally from a data section. */
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HOWTO (MIPS_R_REFHALF, /* Type. */
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0, /* Rightshift. */
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1, /* Size (0 = byte, 1 = short, 2 = long). */
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16, /* Bitsize. */
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FALSE, /* PC_relative. */
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0, /* Bitpos. */
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complain_overflow_bitfield, /* Complain_on_overflow. */
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coff_mips_reloc, /* Special_function. */
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"REFHALF", /* Name. */
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TRUE, /* Partial_inplace. */
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0xffff, /* Src_mask. */
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0xffff, /* Dst_mask. */
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FALSE), /* Pcrel_offset. */
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/* A 32 bit reference to a symbol, normally from a data section. */
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HOWTO (MIPS_R_REFWORD, /* Type. */
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0, /* Rightshift. */
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2, /* Size (0 = byte, 1 = short, 2 = long). */
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32, /* Bitsize. */
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FALSE, /* PC_relative. */
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0, /* Bitpos. */
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complain_overflow_bitfield, /* Complain_on_overflow. */
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coff_mips_reloc, /* Special_function. */
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"REFWORD", /* Name. */
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TRUE, /* Partial_inplace. */
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0xffffffff, /* Src_mask. */
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0xffffffff, /* Dst_mask. */
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FALSE), /* Pcrel_offset. */
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/* A 26 bit absolute jump address. */
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HOWTO (MIPS_R_JMPADDR, /* Type. */
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2, /* Rightshift. */
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2, /* Size (0 = byte, 1 = short, 2 = long). */
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26, /* Bitsize. */
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FALSE, /* PC_relative. */
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0, /* Bitpos. */
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complain_overflow_dont, /* Complain_on_overflow. */
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/* This needs complex overflow
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detection, because the upper four
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bits must match the PC. */
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coff_mips_reloc, /* Special_function. */
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"JMPADDR", /* Name. */
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TRUE, /* Partial_inplace. */
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0x3ffffff, /* Src_mask. */
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0x3ffffff, /* Dst_mask. */
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FALSE), /* Pcrel_offset. */
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/* The high 16 bits of a symbol value. Handled by the function
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mips_refhi_reloc. */
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HOWTO (MIPS_R_REFHI, /* Type. */
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16, /* Rightshift. */
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2, /* Size (0 = byte, 1 = short, 2 = long). */
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16, /* Bitsize. */
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FALSE, /* PC_relative. */
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0, /* Bitpos. */
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complain_overflow_bitfield, /* Complain_on_overflow. */
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coff_mips_reloc, /* Special_function. */
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"REFHI", /* Name. */
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TRUE, /* Partial_inplace. */
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0xffff, /* Src_mask. */
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0xffff, /* Dst_mask. */
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FALSE), /* Pcrel_offset. */
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/* The low 16 bits of a symbol value. */
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HOWTO (MIPS_R_REFLO, /* Type. */
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0, /* Rightshift. */
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2, /* Size (0 = byte, 1 = short, 2 = long). */
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16, /* Bitsize. */
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FALSE, /* PC_relative. */
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0, /* Bitpos. */
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complain_overflow_dont, /* Complain_on_overflow. */
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coff_mips_reloc, /* Special_function. */
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"REFLO", /* Name. */
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TRUE, /* Partial_inplace. */
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0xffff, /* Src_mask. */
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0xffff, /* Dst_mask. */
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FALSE), /* Pcrel_offset. */
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/* A reference to an offset from the gp register. Handled by the
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function mips_gprel_reloc. */
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HOWTO (MIPS_R_GPREL, /* Type. */
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0, /* Rightshift. */
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2, /* Size (0 = byte, 1 = short, 2 = long). */
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16, /* Bitsize. */
|
|
FALSE, /* PC_relative. */
|
|
0, /* Bitpos. */
|
|
complain_overflow_signed, /* Complain_on_overflow. */
|
|
coff_mips_reloc, /* Special_function. */
|
|
"GPREL", /* Name. */
|
|
TRUE, /* Partial_inplace. */
|
|
0xffff, /* Src_mask. */
|
|
0xffff, /* Dst_mask. */
|
|
FALSE), /* Pcrel_offset. */
|
|
|
|
/* A reference to a literal using an offset from the gp register.
|
|
Handled by the function mips_gprel_reloc. */
|
|
HOWTO (MIPS_R_LITERAL, /* Type. */
|
|
0, /* Rightshift. */
|
|
2, /* Size (0 = byte, 1 = short, 2 = long). */
|
|
16, /* Bitsize. */
|
|
FALSE, /* PC_relative. */
|
|
0, /* Bitpos. */
|
|
complain_overflow_signed, /* Complain_on_overflow. */
|
|
coff_mips_reloc, /* Special_function. */
|
|
"LITERAL", /* Name. */
|
|
TRUE, /* Partial_inplace. */
|
|
0xffff, /* Src_mask. */
|
|
0xffff, /* Dst_mask. */
|
|
FALSE), /* Pcrel_offset. */
|
|
|
|
EMPTY_HOWTO (8),
|
|
EMPTY_HOWTO (9),
|
|
EMPTY_HOWTO (10),
|
|
EMPTY_HOWTO (11),
|
|
EMPTY_HOWTO (12),
|
|
EMPTY_HOWTO (13),
|
|
EMPTY_HOWTO (14),
|
|
EMPTY_HOWTO (15),
|
|
EMPTY_HOWTO (16),
|
|
EMPTY_HOWTO (17),
|
|
EMPTY_HOWTO (18),
|
|
EMPTY_HOWTO (19),
|
|
EMPTY_HOWTO (20),
|
|
EMPTY_HOWTO (21),
|
|
EMPTY_HOWTO (22),
|
|
EMPTY_HOWTO (23),
|
|
EMPTY_HOWTO (24),
|
|
EMPTY_HOWTO (25),
|
|
EMPTY_HOWTO (26),
|
|
EMPTY_HOWTO (27),
|
|
EMPTY_HOWTO (28),
|
|
EMPTY_HOWTO (29),
|
|
EMPTY_HOWTO (30),
|
|
EMPTY_HOWTO (31),
|
|
EMPTY_HOWTO (32),
|
|
EMPTY_HOWTO (33),
|
|
HOWTO (MIPS_R_RVA, /* Type. */
|
|
0, /* Rightshift. */
|
|
2, /* Size (0 = byte, 1 = short, 2 = long). */
|
|
32, /* Bitsize. */
|
|
FALSE, /* PC_relative. */
|
|
0, /* Bitpos. */
|
|
complain_overflow_bitfield, /* Complain_on_overflow. */
|
|
coff_mips_reloc, /* Special_function. */
|
|
"rva32", /* Name. */
|
|
TRUE, /* Partial_inplace. */
|
|
0xffffffff, /* Src_mask. */
|
|
0xffffffff, /* Dst_mask. */
|
|
FALSE), /* Pcrel_offset. */
|
|
EMPTY_HOWTO (35),
|
|
EMPTY_HOWTO (36),
|
|
HOWTO (MIPS_R_PAIR, /* Type. */
|
|
0, /* Rightshift. */
|
|
2, /* Size (0 = byte, 1 = short, 2 = long). */
|
|
32, /* Bitsize. */
|
|
FALSE, /* PC_relative. */
|
|
0, /* Bitpos. */
|
|
complain_overflow_bitfield, /* Complain_on_overflow. */
|
|
coff_mips_reloc, /* Special_function. */
|
|
"PAIR", /* Name. */
|
|
TRUE, /* Partial_inplace. */
|
|
0xffffffff, /* Src_mask. */
|
|
0xffffffff, /* Dst_mask. */
|
|
FALSE), /* Pcrel_offset. */
|
|
};
|
|
|
|
/* Turn a howto into a reloc nunmber. */
|
|
|
|
#define SELECT_RELOC(x, howto) { x.r_type = howto->type; }
|
|
#define BADMAG(x) MIPSBADMAG (x)
|
|
|
|
/* Customize coffcode.h. */
|
|
#define MIPS 1
|
|
|
|
#define RTYPE2HOWTO(cache_ptr, dst) \
|
|
(cache_ptr)->howto = howto_table + (dst)->r_type;
|
|
|
|
/* Compute the addend of a reloc. If the reloc is to a common symbol,
|
|
the object file contains the value of the common symbol. By the
|
|
time this is called, the linker may be using a different symbol
|
|
from a different object file with a different value. Therefore, we
|
|
hack wildly to locate the original symbol from this file so that we
|
|
can make the correct adjustment. This macro sets coffsym to the
|
|
symbol from the original file, and uses it to set the addend value
|
|
correctly. If this is not a common symbol, the usual addend
|
|
calculation is done, except that an additional tweak is needed for
|
|
PC relative relocs.
|
|
FIXME: This macro refers to symbols and asect; these are from the
|
|
calling function, not the macro arguments. */
|
|
|
|
#define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \
|
|
{ \
|
|
coff_symbol_type *coffsym = NULL; \
|
|
if (ptr && bfd_asymbol_bfd (ptr) != abfd) \
|
|
coffsym = (obj_symbols (abfd) \
|
|
+ (cache_ptr->sym_ptr_ptr - symbols)); \
|
|
else if (ptr) \
|
|
coffsym = coff_symbol_from (abfd, ptr); \
|
|
if (coffsym != NULL \
|
|
&& coffsym->native->u.syment.n_scnum == 0) \
|
|
cache_ptr->addend = - coffsym->native->u.syment.n_value; \
|
|
else if (ptr && bfd_asymbol_bfd (ptr) == abfd \
|
|
&& ptr->section != NULL) \
|
|
cache_ptr->addend = - (ptr->section->vma + ptr->value); \
|
|
else \
|
|
cache_ptr->addend = 0; \
|
|
if (ptr && howto_table[reloc.r_type].pc_relative) \
|
|
cache_ptr->addend += asect->vma; \
|
|
}
|
|
|
|
/* Convert an rtype to howto for the COFF backend linker. */
|
|
|
|
static reloc_howto_type *
|
|
coff_mips_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
|
|
asection *sec,
|
|
struct internal_reloc *rel,
|
|
struct coff_link_hash_entry *h,
|
|
struct internal_syment *sym,
|
|
bfd_vma *addendp)
|
|
{
|
|
|
|
reloc_howto_type *howto;
|
|
|
|
howto = howto_table + rel->r_type;
|
|
|
|
#ifdef COFF_WITH_PE
|
|
*addendp = 0;
|
|
#endif
|
|
|
|
if (howto->pc_relative)
|
|
*addendp += sec->vma;
|
|
|
|
if (sym != NULL && sym->n_scnum == 0 && sym->n_value != 0)
|
|
{
|
|
/* This is a common symbol. The section contents include the
|
|
size (sym->n_value) as an addend. The relocate_section
|
|
function will be adding in the final value of the symbol. We
|
|
need to subtract out the current size in order to get the
|
|
correct result. */
|
|
|
|
BFD_ASSERT (h != NULL);
|
|
|
|
#ifndef COFF_WITH_PE
|
|
/* I think we *do* want to bypass this. If we don't, I have
|
|
seen some data parameters get the wrong relocation address.
|
|
If I link two versions with and without this section bypassed
|
|
and then do a binary comparison, the addresses which are
|
|
different can be looked up in the map. The case in which
|
|
this section has been bypassed has addresses which correspond
|
|
to values I can find in the map. */
|
|
*addendp -= sym->n_value;
|
|
#endif
|
|
}
|
|
|
|
#ifndef COFF_WITH_PE
|
|
/* If the output symbol is common (in which case this must be a
|
|
relocatable link), we need to add in the final size of the
|
|
common symbol. */
|
|
if (h != NULL && h->root.type == bfd_link_hash_common)
|
|
*addendp += h->root.u.c.size;
|
|
#endif
|
|
|
|
#ifdef COFF_WITH_PE
|
|
if (howto->pc_relative)
|
|
{
|
|
*addendp -= 4;
|
|
|
|
/* If the symbol is defined, then the generic code is going to
|
|
add back the symbol value in order to cancel out an
|
|
adjustment it made to the addend. However, we set the addend
|
|
to 0 at the start of this function. We need to adjust here,
|
|
to avoid the adjustment the generic code will make. FIXME:
|
|
This is getting a bit hackish. */
|
|
if (sym != NULL && sym->n_scnum != 0)
|
|
*addendp -= sym->n_value;
|
|
}
|
|
|
|
if (rel->r_type == MIPS_R_RVA)
|
|
*addendp -= pe_data (sec->output_section->owner)->pe_opthdr.ImageBase;
|
|
#endif
|
|
|
|
return howto;
|
|
}
|
|
|
|
#define coff_rtype_to_howto coff_mips_rtype_to_howto
|
|
#define coff_bfd_reloc_type_lookup coff_mips_reloc_type_lookup
|
|
#define coff_bfd_reloc_name_lookup coff_mips_reloc_name_lookup
|
|
|
|
/* Get the howto structure for a generic reloc type. */
|
|
|
|
static reloc_howto_type *
|
|
coff_mips_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
|
bfd_reloc_code_real_type code)
|
|
{
|
|
int mips_type;
|
|
|
|
switch (code)
|
|
{
|
|
case BFD_RELOC_16:
|
|
mips_type = MIPS_R_REFHALF;
|
|
break;
|
|
case BFD_RELOC_32:
|
|
case BFD_RELOC_CTOR:
|
|
mips_type = MIPS_R_REFWORD;
|
|
break;
|
|
case BFD_RELOC_MIPS_JMP:
|
|
mips_type = MIPS_R_JMPADDR;
|
|
break;
|
|
case BFD_RELOC_HI16_S:
|
|
mips_type = MIPS_R_REFHI;
|
|
break;
|
|
case BFD_RELOC_LO16:
|
|
mips_type = MIPS_R_REFLO;
|
|
break;
|
|
case BFD_RELOC_GPREL16:
|
|
mips_type = MIPS_R_GPREL;
|
|
break;
|
|
case BFD_RELOC_MIPS_LITERAL:
|
|
mips_type = MIPS_R_LITERAL;
|
|
break;
|
|
case BFD_RELOC_RVA:
|
|
mips_type = MIPS_R_RVA;
|
|
break;
|
|
default:
|
|
return NULL;
|
|
}
|
|
|
|
return & howto_table [mips_type];
|
|
}
|
|
|
|
static reloc_howto_type *
|
|
coff_mips_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
|
const char *r_name)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0;
|
|
i < sizeof (howto_table) / sizeof (howto_table[0]);
|
|
i++)
|
|
if (howto_table[i].name != NULL
|
|
&& strcasecmp (howto_table[i].name, r_name) == 0)
|
|
return &howto_table[i];
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
mips_swap_reloc_in (bfd * abfd, void * src, void * dst)
|
|
{
|
|
static struct internal_reloc pair_prev;
|
|
RELOC *reloc_src = (RELOC *) src;
|
|
struct internal_reloc *reloc_dst = (struct internal_reloc *) dst;
|
|
|
|
reloc_dst->r_vaddr = H_GET_32 (abfd, reloc_src->r_vaddr);
|
|
reloc_dst->r_symndx = H_GET_S32 (abfd, reloc_src->r_symndx);
|
|
reloc_dst->r_type = H_GET_16 (abfd, reloc_src->r_type);
|
|
reloc_dst->r_size = 0;
|
|
reloc_dst->r_extern = 0;
|
|
reloc_dst->r_offset = 0;
|
|
|
|
switch (reloc_dst->r_type)
|
|
{
|
|
case MIPS_R_REFHI:
|
|
pair_prev = *reloc_dst;
|
|
break;
|
|
case MIPS_R_PAIR:
|
|
reloc_dst->r_offset = reloc_dst->r_symndx;
|
|
if (reloc_dst->r_offset & 0x8000)
|
|
reloc_dst->r_offset -= 0x10000;
|
|
reloc_dst->r_symndx = pair_prev.r_symndx;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static unsigned int
|
|
mips_swap_reloc_out (bfd * abfd, void * src, void * dst)
|
|
{
|
|
static int prev_offset = 1;
|
|
static bfd_vma prev_addr = 0;
|
|
struct internal_reloc *reloc_src = (struct internal_reloc *)src;
|
|
struct external_reloc *reloc_dst = (struct external_reloc *)dst;
|
|
|
|
switch (reloc_src->r_type)
|
|
{
|
|
case MIPS_R_REFHI:
|
|
prev_addr = reloc_src->r_vaddr;
|
|
prev_offset = reloc_src->r_offset;
|
|
break;
|
|
case MIPS_R_REFLO:
|
|
if (reloc_src->r_vaddr == prev_addr)
|
|
{
|
|
/* FIXME: only slightly hackish. If we see a REFLO pointing to
|
|
the same address as a REFHI, we assume this is the matching
|
|
PAIR reloc and output it accordingly. The symndx is really
|
|
the low 16 bits of the addend */
|
|
H_PUT_32 (abfd, reloc_src->r_vaddr, reloc_dst->r_vaddr);
|
|
H_PUT_32 (abfd, reloc_src->r_symndx, reloc_dst->r_symndx);
|
|
H_PUT_16 (abfd, MIPS_R_PAIR, reloc_dst->r_type);
|
|
return RELSZ;
|
|
}
|
|
break;
|
|
}
|
|
|
|
H_PUT_32 (abfd, reloc_src->r_vaddr, reloc_dst->r_vaddr);
|
|
H_PUT_32 (abfd, reloc_src->r_symndx, reloc_dst->r_symndx);
|
|
|
|
H_PUT_16 (abfd, reloc_src->r_type, reloc_dst->r_type);
|
|
return RELSZ;
|
|
}
|
|
|
|
#define coff_swap_reloc_in mips_swap_reloc_in
|
|
#define coff_swap_reloc_out mips_swap_reloc_out
|
|
#define NO_COFF_RELOCS
|
|
|
|
static bfd_boolean
|
|
coff_pe_mips_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)
|
|
{
|
|
bfd_vma gp;
|
|
bfd_boolean gp_undefined;
|
|
size_t adjust;
|
|
struct internal_reloc *rel;
|
|
struct internal_reloc *rel_end;
|
|
unsigned int i;
|
|
bfd_boolean got_lo;
|
|
|
|
if (info->relocatable)
|
|
{
|
|
(*_bfd_error_handler)
|
|
(_("%B: `ld -r' not supported with PE MIPS objects\n"), input_bfd);
|
|
bfd_set_error (bfd_error_bad_value);
|
|
return FALSE;
|
|
}
|
|
|
|
BFD_ASSERT (input_bfd->xvec->byteorder
|
|
== output_bfd->xvec->byteorder);
|
|
|
|
gp = _bfd_get_gp_value (output_bfd);
|
|
gp_undefined = (gp == 0) ? TRUE : FALSE;
|
|
got_lo = FALSE;
|
|
adjust = 0;
|
|
rel = relocs;
|
|
rel_end = rel + input_section->reloc_count;
|
|
|
|
for (i = 0; rel < rel_end; rel++, i++)
|
|
{
|
|
long symndx;
|
|
struct coff_link_hash_entry *h;
|
|
struct internal_syment *sym;
|
|
bfd_vma addend = 0;
|
|
bfd_vma val, tmp, targ, src, low;
|
|
reloc_howto_type *howto;
|
|
unsigned char *mem = contents + rel->r_vaddr;
|
|
|
|
symndx = rel->r_symndx;
|
|
|
|
if (symndx == -1)
|
|
{
|
|
h = NULL;
|
|
sym = NULL;
|
|
}
|
|
else
|
|
{
|
|
h = obj_coff_sym_hashes (input_bfd)[symndx];
|
|
sym = syms + symndx;
|
|
}
|
|
|
|
/* COFF treats common symbols in one of two ways. Either the
|
|
size of the symbol is included in the section contents, or it
|
|
is not. We assume that the size is not included, and force
|
|
the rtype_to_howto function to adjust the addend as needed. */
|
|
|
|
if (sym != NULL && sym->n_scnum != 0)
|
|
addend = - sym->n_value;
|
|
else
|
|
addend = 0;
|
|
|
|
howto = bfd_coff_rtype_to_howto (input_bfd, input_section, rel, h,
|
|
sym, &addend);
|
|
if (howto == NULL)
|
|
return FALSE;
|
|
|
|
/* If we are doing a relocatable link, then we can just ignore
|
|
a PC relative reloc that is pcrel_offset. It will already
|
|
have the correct value. If this is not a relocatable link,
|
|
then we should ignore the symbol value. */
|
|
if (howto->pc_relative && howto->pcrel_offset)
|
|
{
|
|
if (info->relocatable)
|
|
continue;
|
|
if (sym != NULL && sym->n_scnum != 0)
|
|
addend += sym->n_value;
|
|
}
|
|
|
|
val = 0;
|
|
|
|
if (h == NULL)
|
|
{
|
|
asection *sec;
|
|
|
|
if (symndx == -1)
|
|
{
|
|
sec = bfd_abs_section_ptr;
|
|
val = 0;
|
|
}
|
|
else
|
|
{
|
|
sec = sections[symndx];
|
|
val = (sec->output_section->vma
|
|
+ sec->output_offset
|
|
+ sym->n_value);
|
|
if (! obj_pe (input_bfd))
|
|
val -= sec->vma;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (h->root.type == bfd_link_hash_defined
|
|
|| h->root.type == bfd_link_hash_defweak)
|
|
{
|
|
asection *sec;
|
|
|
|
sec = h->root.u.def.section;
|
|
val = (h->root.u.def.value
|
|
+ sec->output_section->vma
|
|
+ sec->output_offset);
|
|
}
|
|
|
|
else if (! info->relocatable)
|
|
{
|
|
if (! ((*info->callbacks->undefined_symbol)
|
|
(info, h->root.root.string, input_bfd, input_section,
|
|
rel->r_vaddr - input_section->vma, TRUE)))
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
src = rel->r_vaddr + input_section->output_section->vma
|
|
+ input_section->output_offset;
|
|
|
|
/* OK, at this point the following variables are set up:
|
|
src = VMA of the memory we're fixing up
|
|
mem = pointer to memory we're fixing up
|
|
val = VMA of what we need to refer to. */
|
|
|
|
#define UI(x) (*_bfd_error_handler) (_("%B: unimplemented %s\n"), \
|
|
input_bfd, x); \
|
|
bfd_set_error (bfd_error_bad_value);
|
|
|
|
switch (rel->r_type)
|
|
{
|
|
case MIPS_R_ABSOLUTE:
|
|
/* Ignore these. */
|
|
break;
|
|
|
|
case MIPS_R_REFHALF:
|
|
UI ("refhalf");
|
|
break;
|
|
|
|
case MIPS_R_REFWORD:
|
|
tmp = bfd_get_32 (input_bfd, mem);
|
|
/* printf ("refword: src=%08x targ=%08x+%08x\n", src, tmp, val); */
|
|
tmp += val;
|
|
bfd_put_32 (input_bfd, tmp, mem);
|
|
break;
|
|
|
|
case MIPS_R_JMPADDR:
|
|
tmp = bfd_get_32 (input_bfd, mem);
|
|
targ = val + (tmp & 0x03ffffff) * 4;
|
|
if ((src & 0xf0000000) != (targ & 0xf0000000))
|
|
{
|
|
(*_bfd_error_handler) (_("%B: jump too far away\n"), input_bfd);
|
|
bfd_set_error (bfd_error_bad_value);
|
|
return FALSE;
|
|
}
|
|
tmp &= 0xfc000000;
|
|
tmp |= (targ / 4) & 0x3ffffff;
|
|
bfd_put_32 (input_bfd, tmp, mem);
|
|
break;
|
|
|
|
case MIPS_R_REFHI:
|
|
tmp = bfd_get_32 (input_bfd, mem);
|
|
switch (rel[1].r_type)
|
|
{
|
|
case MIPS_R_PAIR:
|
|
/* MS PE object */
|
|
targ = val + rel[1].r_offset + ((tmp & 0xffff) << 16);
|
|
break;
|
|
case MIPS_R_REFLO:
|
|
/* GNU COFF object */
|
|
low = bfd_get_32 (input_bfd, contents + rel[1].r_vaddr);
|
|
low &= 0xffff;
|
|
if (low & 0x8000)
|
|
low -= 0x10000;
|
|
targ = val + low + ((tmp & 0xffff) << 16);
|
|
break;
|
|
default:
|
|
(*_bfd_error_handler) (_("%B: bad pair/reflo after refhi\n"),
|
|
input_bfd);
|
|
bfd_set_error (bfd_error_bad_value);
|
|
return FALSE;
|
|
}
|
|
tmp &= 0xffff0000;
|
|
tmp |= (targ >> 16) & 0xffff;
|
|
bfd_put_32 (input_bfd, tmp, mem);
|
|
break;
|
|
|
|
case MIPS_R_REFLO:
|
|
tmp = bfd_get_32 (input_bfd, mem);
|
|
targ = val + (tmp & 0xffff);
|
|
/* printf ("refword: src=%08x targ=%08x\n", src, targ); */
|
|
tmp &= 0xffff0000;
|
|
tmp |= targ & 0xffff;
|
|
bfd_put_32 (input_bfd, tmp, mem);
|
|
break;
|
|
|
|
case MIPS_R_GPREL:
|
|
case MIPS_R_LITERAL:
|
|
UI ("gprel");
|
|
break;
|
|
|
|
case MIPS_R_SECTION:
|
|
UI ("section");
|
|
break;
|
|
|
|
case MIPS_R_SECREL:
|
|
UI ("secrel");
|
|
break;
|
|
|
|
case MIPS_R_SECRELLO:
|
|
UI ("secrello");
|
|
break;
|
|
|
|
case MIPS_R_SECRELHI:
|
|
UI ("secrelhi");
|
|
break;
|
|
|
|
case MIPS_R_RVA:
|
|
tmp = bfd_get_32 (input_bfd, mem);
|
|
/* printf ("rva: src=%08x targ=%08x+%08x\n", src, tmp, val); */
|
|
tmp += val
|
|
- pe_data (input_section->output_section->owner)->pe_opthdr.ImageBase;
|
|
bfd_put_32 (input_bfd, tmp, mem);
|
|
break;
|
|
|
|
case MIPS_R_PAIR:
|
|
/* ignore these */
|
|
break;
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#define coff_relocate_section coff_pe_mips_relocate_section
|
|
|
|
#ifdef TARGET_UNDERSCORE
|
|
|
|
/* If mips gcc uses underscores for symbol names, then it does not use
|
|
a leading dot for local labels, so if TARGET_UNDERSCORE is defined
|
|
we treat all symbols starting with L as local. */
|
|
|
|
static bfd_boolean
|
|
coff_mips_is_local_label_name (bfd *abfd, const char *name)
|
|
{
|
|
if (name[0] == 'L')
|
|
return TRUE;
|
|
|
|
return _bfd_coff_is_local_label_name (abfd, name);
|
|
}
|
|
|
|
#define coff_bfd_is_local_label_name coff_mips_is_local_label_name
|
|
|
|
#endif /* TARGET_UNDERSCORE */
|
|
|
|
#define COFF_NO_HACK_SCNHDR_SIZE
|
|
|
|
#include "coffcode.h"
|
|
|
|
const bfd_target
|
|
#ifdef TARGET_SYM
|
|
TARGET_SYM =
|
|
#else
|
|
mipslpe_vec =
|
|
#endif
|
|
{
|
|
#ifdef TARGET_NAME
|
|
TARGET_NAME,
|
|
#else
|
|
"pe-mips", /* Name. */
|
|
#endif
|
|
bfd_target_coff_flavour,
|
|
BFD_ENDIAN_LITTLE, /* Data byte order is little. */
|
|
BFD_ENDIAN_LITTLE, /* Header byte order is little. */
|
|
|
|
(HAS_RELOC | EXEC_P | /* Object flags. */
|
|
HAS_LINENO | HAS_DEBUG |
|
|
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
|
|
|
|
#ifndef COFF_WITH_PE
|
|
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* Section flags. */
|
|
| SEC_CODE | SEC_DATA),
|
|
#else
|
|
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* Section flags. */
|
|
| SEC_CODE | SEC_DATA
|
|
| SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
|
|
#endif
|
|
|
|
#ifdef TARGET_UNDERSCORE
|
|
TARGET_UNDERSCORE, /* Leading underscore. */
|
|
#else
|
|
0, /* leading underscore */
|
|
#endif
|
|
'/', /* AR_pad_char. */
|
|
15, /* AR_max_namelen. */
|
|
|
|
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
|
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
|
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* Data. */
|
|
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
|
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
|
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* Headers. */
|
|
|
|
/* Note that we allow an object file to be treated as a core file as well. */
|
|
{_bfd_dummy_target, coff_object_p, /* bfd_check_format. */
|
|
bfd_generic_archive_p, coff_object_p},
|
|
{bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format. */
|
|
bfd_false},
|
|
{bfd_false, coff_write_object_contents, /* bfd_write_contents. */
|
|
_bfd_write_archive_contents, bfd_false},
|
|
|
|
BFD_JUMP_TABLE_GENERIC (coff),
|
|
BFD_JUMP_TABLE_COPY (coff),
|
|
BFD_JUMP_TABLE_CORE (_bfd_nocore),
|
|
BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
|
|
BFD_JUMP_TABLE_SYMBOLS (coff),
|
|
BFD_JUMP_TABLE_RELOCS (coff),
|
|
BFD_JUMP_TABLE_WRITE (coff),
|
|
BFD_JUMP_TABLE_LINK (coff),
|
|
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
|
|
|
|
NULL,
|
|
|
|
COFF_SWAP_TABLE
|
|
};
|