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d003868ea7
* bfd.c (_bfd_default_error_handler): Handle %A and %B. (bfd_archive_filename, bfd_get_section_ident): Delete. * ecofflink.c (bfd_ecoff_debug_accumulate_other): Don't call bfd_archive_filename. * elflink.c (elf_link_input_bfd): Don't use callbacks->error_handler to warn about symbols in discarded sections. Use _bfd_error_handler. * aout-adobe.c (aout_adobe_callback): See below. * aout-cris.c (swap_ext_reloc_in): .. * coff-arm.c (find_thumb_glue, find_arm_glue, coff_arm_relocate_section, bfd_arm_process_before_allocation, coff_arm_merge_private_bfd_data, _bfd_coff_arm_set_private_flags, coff_arm_copy_private_bfd_data): .. * coff-i860.c (i860_reloc_processing): .. * coff-mcore.c (mcore_coff_unsupported_reloc, coff_mcore_relocate_section): .. * coff-ppc.c (coff_ppc_relocate_section): .. * coff-rs6000.c (xcoff_create_csect_from_smclas * coff-sh.c (sh_relax_section, sh_relax_delete_bytes, sh_swap_insns, sh_relocate_section): .. * coff-tic54x.c (tic54x_reloc_processing): .. * coff-tic80.c (coff_tic80_relocate_section): .. * coff64-rs6000.c (xcoff64_create_csect_from_smclas): .. * coffcode.h (styp_to_sec_flags, coff_slurp_line_table, coff_slurp_symbol_table, coff_classify_symbol, coff_slurp_reloc_table): .. * coffgen.c (_bfd_coff_read_string_table): .. * cofflink.c (coff_link_add_symbols, _bfd_coff_link_input_bfd, _bfd_coff_generic_relocate_section): .. * cpu-arm.c (bfd_arm_merge_machines): .. * cpu-sh.c (sh_merge_bfd_arch): .. * elf-hppa.h (elf_hppa_relocate_section): .. * elf.c (bfd_elf_string_from_elf_section, setup_group, _bfd_elf_setup_group_pointers, bfd_section_from_shdr, assign_section_numbers, _bfd_elf_symbol_from_bfd_symbol, copy_private_bfd_data, _bfd_elf_validate_reloc): .. * elf32-arm.h (find_thumb_glue, find_arm_glue, bfd_elf32_arm_process_before_allocation, elf32_thumb_to_arm_stub, elf32_arm_to_thumb_stub, elf32_arm_final_link_relocate, elf32_arm_relocate_section, elf32_arm_set_private_flags, elf32_arm_copy_private_bfd_data, elf32_arm_merge_private_bfd_data): .. * elf32-cris.c (cris_elf_relocate_section, cris_elf_check_relocs, cris_elf_merge_private_bfd_data * elf32-frv.c (elf32_frv_relocate_section, elf32_frv_check_relocs): .. * elf32-gen.c (elf32_generic_link_add_symbols): .. * elf32-hppa.c (hppa_add_stub, hppa_build_one_stub, elf32_hppa_check_relocs, get_local_syms, final_link_relocate, elf32_hppa_relocate_section): .. * elf32-i370.c (i370_elf_merge_private_bfd_data, i370_elf_check_relocs, i370_elf_relocate_section): .. * elf32-i386.c (elf_i386_info_to_howto_rel, elf_i386_check_relocs, elf_i386_relocate_section): .. * elf32-m32r.c (m32r_elf_relocate_section, m32r_elf_merge_private_bfd_data): .. * elf32-m68hc1x.c (m68hc12_add_stub, _bfd_m68hc11_elf_merge_private_bfd_data): .. * elf32-m68k.c (elf_m68k_relocate_section): .. * elf32-mcore.c (mcore_elf_unsupported_reloc, mcore_elf_relocate_section): .. * elf32-ppc.c (ppc_elf_merge_private_bfd_data, bad_shared_reloc, ppc_elf_check_relocs, ppc_elf_relocate_section, ppc_elf_begin_write_processing): .. * elf32-s390.c (elf_s390_check_relocs, invalid_tls_insn, elf_s390_relocate_section): .. * elf32-sh-symbian.c (sh_symbian_import_as, sh_symbian_process_embedded_commands, sh_symbian_relocate_section): .. * elf32-sh.c (sh_elf_relax_section, sh_elf_relax_delete_bytes, sh_elf_swap_insns, sh_elf_relocate_section, sh_elf_check_relocs, sh_elf_merge_private_data): .. * elf32-sparc.c (elf32_sparc_check_relocs, elf32_sparc_relocate_section, elf32_sparc_merge_private_bfd_data): .. * elf32-v850.c (v850_elf_check_relocs, v850_elf_merge_private_bfd_data): .. * elf32-xtensa.c (elf_xtensa_check_relocs, elf_xtensa_relocate_section, elf_xtensa_merge_private_bfd_data): .. * elf64-alpha.c (elf64_alpha_relax_with_lituse, elf64_alpha_relax_got_load, elf64_alpha_size_got_sections, elf64_alpha_relocate_section_r, elf64_alpha_relocate_section): .. * elf64-gen.c (elf64_generic_link_add_symbols): .. * elf64-ppc.c (ppc64_elf_merge_private_bfd_data, ppc_add_stub, ppc64_elf_check_relocs, ppc64_elf_edit_opd, ppc64_elf_relocate_section): .. * elf64-s390.c (elf_s390_check_relocs, invalid_tls_insn, elf_s390_relocate_section): .. * elf64-sh64.c (sh_elf64_relocate_section): .. * elf64-sparc.c (sparc64_elf_check_relocs, sparc64_elf_add_symbol_hook, sparc64_elf_relocate_section, sparc64_elf_merge_private_bfd_data): .. * elf64-x86-64.c (elf64_x86_64_check_relocs, elf64_x86_64_relocate_section): .. * elflink.c (_bfd_elf_add_default_symbol, _bfd_elf_link_assign_sym_version, elf_link_read_relocs_from_section, _bfd_elf_link_output_relocs, elf_link_add_object_symbols, bfd_elf_size_dynamic_sections, elf_link_output_extsym, elf_get_linked_section_vma, elf_fixup_link_order, bfd_elf_final_link, bfd_elf_gc_record_vtinherit, bfd_elf_gc_record_vtinherit, _bfd_elf_section_already_linked): .. * elfxx-ia64.c (elfNN_ia64_relax_section, elfNN_ia64_relocate_section, elfNN_ia64_merge_private_bfd_data): .. * elfxx-mips.c (mips_elf_perform_relocation, _bfd_mips_elf_check_relocs, _bfd_mips_elf_merge_private_bfd_data): .. * ieee.c (ieee_slurp_external_symbols): .. * ihex.c (ihex_bad_byte, ihex_scan, ihex_read_section): .. * libbfd.c (_bfd_generic_verify_endian_match): .. * linker.c (_bfd_generic_link_add_one_symbol, _bfd_generic_section_already_linked): .. * pdp11.c (translate_to_native_sym_flags): .. * pe-mips.c (coff_pe_mips_relocate_section): .. * peicode.h (pe_ILF_build_a_bfd): .. * srec.c (srec_bad_byte): .. * stabs.c (_bfd_link_section_stabs): .. * xcofflink.c (xcoff_link_add_symbols, xcoff_link_input_bfd): .. Replace all uses of bfd_archive_filename and bfd_get_section_ident with corresponding %B and %A in _bfd_error_handler format string. Replace occurrences of "fprintf (stderr," with _bfd_error_handler calls to use %A and %B. Fix "against symbol .. from section" and similar error messages. Combine multiple _bfd_error_handler calls where they were separated due to bfd_archive_filename deficiencies. * bfd-in2.h: Regenerate. include/ * bfdlink.h (struct bfd_link_callbacks): Remove "error_handler". (LD_DEFINITION_IN_DISCARDED_SECTION): Delete. ld/ * ldmain.c (link_callbacks): Remove "error_handler". * ldmisc.c: Include elf-bfd.h. (vfinfo): Sort comment. Handle %A. Use %A instead of bfd_get_section_indent. (error_handler): Delete. * ldmisc.h (error_handler): Delete declaration.
722 lines
20 KiB
C
722 lines
20 KiB
C
/* BFD back-end for Texas Instruments TMS320C80 Multimedia Video Processor (MVP).
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Copyright 1996, 1997, 1999, 2000, 2001, 2002, 2003
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Free Software Foundation, Inc.
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Written by Fred Fish (fnf@cygnus.com)
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There is nothing new under the sun. This file draws a lot on other
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coff files.
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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, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "bfd.h"
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#include "bfdlink.h"
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#include "sysdep.h"
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#include "libbfd.h"
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#include "coff/tic80.h"
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#include "coff/internal.h"
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#include "libcoff.h"
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#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
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#define COFF_ALIGN_IN_SECTION_HEADER 1
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#define COFF_ALIGN_IN_SFLAGS 1
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#define GET_SCNHDR_FLAGS H_GET_16
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#define PUT_SCNHDR_FLAGS H_PUT_16
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static void rtype2howto
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PARAMS ((arelent *cache_ptr, struct internal_reloc *dst));
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static bfd_reloc_status_type ppbase_reloc
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PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
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static bfd_reloc_status_type glob15_reloc
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PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
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static bfd_reloc_status_type glob16_reloc
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PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
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static bfd_reloc_status_type local16_reloc
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PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
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static bfd_boolean coff_tic80_relocate_section
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PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
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struct internal_reloc *, struct internal_syment *, asection **));
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static reloc_howto_type * coff_tic80_rtype_to_howto
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PARAMS ((bfd *, asection *, struct internal_reloc *,
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struct coff_link_hash_entry *, struct internal_syment *,
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bfd_vma *));
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static reloc_howto_type tic80_howto_table[] =
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{
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HOWTO (R_RELLONG, /* 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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NULL, /* special_function */
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"RELLONG", /* 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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HOWTO (R_MPPCR, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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NULL, /* special_function */
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"MPPCR", /* 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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TRUE), /* pcrel_offset */
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HOWTO (R_ABS, /* 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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NULL, /* special_function */
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"ABS", /* 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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HOWTO (R_PPBASE, /* 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_dont, /* complain_on_overflow */
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ppbase_reloc, /* special_function */
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"PPBASE", /* 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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HOWTO (R_PPLBASE, /* 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_dont, /* complain_on_overflow */
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ppbase_reloc, /* special_function */
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"PPLBASE", /* 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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HOWTO (R_PP15, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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15, /* bitsize */
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FALSE, /* pc_relative */
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6, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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glob15_reloc, /* special_function */
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"PP15", /* name */
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TRUE, /* partial_inplace */
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0x1ffc0, /* src_mask */
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0x1ffc0, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_PP15W, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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15, /* bitsize */
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FALSE, /* pc_relative */
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6, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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glob15_reloc, /* special_function */
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"PP15W", /* name */
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TRUE, /* partial_inplace */
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0x1ffc0, /* src_mask */
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0x1ffc0, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_PP15H, /* type */
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1, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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15, /* bitsize */
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FALSE, /* pc_relative */
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6, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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glob15_reloc, /* special_function */
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"PP15H", /* name */
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TRUE, /* partial_inplace */
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0x1ffc0, /* src_mask */
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0x1ffc0, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_PP16B, /* 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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6, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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glob16_reloc, /* special_function */
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"PP16B", /* name */
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TRUE, /* partial_inplace */
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0x3ffc0, /* src_mask */
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0x3ffc0, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_PPL15, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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15, /* 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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NULL, /* special_function */
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"PPL15", /* name */
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TRUE, /* partial_inplace */
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0x7fff, /* src_mask */
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0x7fff, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_PPL15W, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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15, /* 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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NULL, /* special_function */
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"PPL15W", /* name */
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TRUE, /* partial_inplace */
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0x7fff, /* src_mask */
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0x7fff, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_PPL15H, /* type */
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1, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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15, /* 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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NULL, /* special_function */
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"PPL15H", /* name */
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TRUE, /* partial_inplace */
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0x7fff, /* src_mask */
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0x7fff, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_PPL16B, /* 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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local16_reloc, /* special_function */
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"PPL16B", /* 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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HOWTO (R_PPN15, /* type */
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0, /* rightshift */
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-2, /* size (0 = byte, 1 = short, 2 = long) */
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15, /* bitsize */
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FALSE, /* pc_relative */
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6, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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glob15_reloc, /* special_function */
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"PPN15", /* name */
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TRUE, /* partial_inplace */
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0x1ffc0, /* src_mask */
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0x1ffc0, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_PPN15W, /* type */
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2, /* rightshift */
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-2, /* size (0 = byte, 1 = short, 2 = long) */
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15, /* bitsize */
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FALSE, /* pc_relative */
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6, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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glob15_reloc, /* special_function */
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"PPN15W", /* name */
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TRUE, /* partial_inplace */
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0x1ffc0, /* src_mask */
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0x1ffc0, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_PPN15H, /* type */
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1, /* rightshift */
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-2, /* size (0 = byte, 1 = short, 2 = long) */
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15, /* bitsize */
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FALSE, /* pc_relative */
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6, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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glob15_reloc, /* special_function */
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"PPN15H", /* name */
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TRUE, /* partial_inplace */
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0x1ffc0, /* src_mask */
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0x1ffc0, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_PPN16B, /* 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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6, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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glob16_reloc, /* special_function */
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"PPN16B", /* name */
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TRUE, /* partial_inplace */
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0x3ffc0, /* src_mask */
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0x3ffc0, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_PPLN15, /* type */
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0, /* rightshift */
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-2, /* size (0 = byte, 1 = short, 2 = long) */
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15, /* 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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NULL, /* special_function */
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"PPLN15", /* name */
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TRUE, /* partial_inplace */
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0x7fff, /* src_mask */
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0x7fff, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_PPLN15W, /* type */
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2, /* rightshift */
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-2, /* size (0 = byte, 1 = short, 2 = long) */
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15, /* 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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NULL, /* special_function */
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"PPLN15W", /* name */
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TRUE, /* partial_inplace */
|
||
0x7fff, /* src_mask */
|
||
0x7fff, /* dst_mask */
|
||
FALSE), /* pcrel_offset */
|
||
|
||
HOWTO (R_PPLN15H, /* type */
|
||
1, /* rightshift */
|
||
-2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
15, /* bitsize */
|
||
FALSE, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_dont, /* complain_on_overflow */
|
||
NULL, /* special_function */
|
||
"PPLN15H", /* name */
|
||
TRUE, /* partial_inplace */
|
||
0x7fff, /* src_mask */
|
||
0x7fff, /* dst_mask */
|
||
FALSE), /* pcrel_offset */
|
||
|
||
HOWTO (R_PPLN16B, /* type */
|
||
0, /* rightshift */
|
||
-2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
15, /* bitsize */
|
||
FALSE, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_dont, /* complain_on_overflow */
|
||
local16_reloc, /* special_function */
|
||
"PPLN16B", /* name */
|
||
TRUE, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
FALSE) /* pcrel_offset */
|
||
};
|
||
|
||
/* Special relocation functions, used when the output file is not
|
||
itself a COFF TIc80 file. */
|
||
|
||
/* This special function is used for the base address type
|
||
relocations. */
|
||
|
||
static bfd_reloc_status_type
|
||
ppbase_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
|
||
error_message)
|
||
bfd *abfd ATTRIBUTE_UNUSED;
|
||
arelent *reloc_entry ATTRIBUTE_UNUSED;
|
||
asymbol *symbol_in ATTRIBUTE_UNUSED;
|
||
PTR data ATTRIBUTE_UNUSED;
|
||
asection *input_section ATTRIBUTE_UNUSED;
|
||
bfd *output_bfd ATTRIBUTE_UNUSED;
|
||
char **error_message ATTRIBUTE_UNUSED;
|
||
{
|
||
/* FIXME. */
|
||
abort ();
|
||
}
|
||
|
||
/* This special function is used for the global 15 bit relocations. */
|
||
|
||
static bfd_reloc_status_type
|
||
glob15_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
|
||
error_message)
|
||
bfd *abfd ATTRIBUTE_UNUSED;
|
||
arelent *reloc_entry ATTRIBUTE_UNUSED;
|
||
asymbol *symbol_in ATTRIBUTE_UNUSED;
|
||
PTR data ATTRIBUTE_UNUSED;
|
||
asection *input_section ATTRIBUTE_UNUSED;
|
||
bfd *output_bfd ATTRIBUTE_UNUSED;
|
||
char **error_message ATTRIBUTE_UNUSED;
|
||
{
|
||
/* FIXME. */
|
||
abort ();
|
||
}
|
||
|
||
/* This special function is used for the global 16 bit relocations. */
|
||
|
||
static bfd_reloc_status_type
|
||
glob16_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
|
||
error_message)
|
||
bfd *abfd ATTRIBUTE_UNUSED;
|
||
arelent *reloc_entry ATTRIBUTE_UNUSED;
|
||
asymbol *symbol_in ATTRIBUTE_UNUSED;
|
||
PTR data ATTRIBUTE_UNUSED;
|
||
asection *input_section ATTRIBUTE_UNUSED;
|
||
bfd *output_bfd ATTRIBUTE_UNUSED;
|
||
char **error_message ATTRIBUTE_UNUSED;
|
||
{
|
||
/* FIXME. */
|
||
abort ();
|
||
}
|
||
|
||
/* This special function is used for the local 16 bit relocations. */
|
||
|
||
static bfd_reloc_status_type
|
||
local16_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
|
||
error_message)
|
||
bfd *abfd ATTRIBUTE_UNUSED;
|
||
arelent *reloc_entry ATTRIBUTE_UNUSED;
|
||
asymbol *symbol_in ATTRIBUTE_UNUSED;
|
||
PTR data ATTRIBUTE_UNUSED;
|
||
asection *input_section ATTRIBUTE_UNUSED;
|
||
bfd *output_bfd ATTRIBUTE_UNUSED;
|
||
char **error_message ATTRIBUTE_UNUSED;
|
||
{
|
||
/* FIXME. */
|
||
abort ();
|
||
}
|
||
|
||
/* Code to turn an external r_type into a pointer to an entry in the howto_table.
|
||
If passed an r_type we don't recognize the abort rather than silently failing
|
||
to generate an output file. */
|
||
|
||
static void
|
||
rtype2howto (cache_ptr, dst)
|
||
arelent *cache_ptr;
|
||
struct internal_reloc *dst;
|
||
{
|
||
unsigned int i;
|
||
|
||
for (i = 0; i < sizeof tic80_howto_table / sizeof tic80_howto_table[0]; i++)
|
||
{
|
||
if (tic80_howto_table[i].type == dst->r_type)
|
||
{
|
||
cache_ptr->howto = tic80_howto_table + i;
|
||
return;
|
||
}
|
||
}
|
||
|
||
(*_bfd_error_handler) (_("Unrecognized reloc type 0x%x"),
|
||
(unsigned int) dst->r_type);
|
||
cache_ptr->howto = tic80_howto_table + 0;
|
||
}
|
||
|
||
#define RTYPE2HOWTO(cache_ptr, dst) rtype2howto (cache_ptr, dst)
|
||
#define coff_rtype_to_howto coff_tic80_rtype_to_howto
|
||
|
||
static reloc_howto_type *
|
||
coff_tic80_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
|
||
bfd *abfd ATTRIBUTE_UNUSED;
|
||
asection *sec;
|
||
struct internal_reloc *rel;
|
||
struct coff_link_hash_entry *h ATTRIBUTE_UNUSED;
|
||
struct internal_syment *sym ATTRIBUTE_UNUSED;
|
||
bfd_vma *addendp;
|
||
{
|
||
arelent genrel;
|
||
|
||
if (rel -> r_symndx == -1 && addendp != NULL)
|
||
{
|
||
/* This is a TI "internal relocation", which means that the relocation
|
||
amount is the amount by which the current section is being relocated
|
||
in the output section. */
|
||
*addendp = (sec -> output_section -> vma + sec -> output_offset) - sec -> vma;
|
||
}
|
||
RTYPE2HOWTO (&genrel, rel);
|
||
return genrel.howto;
|
||
}
|
||
|
||
#ifndef BADMAG
|
||
#define BADMAG(x) TIC80BADMAG(x)
|
||
#endif
|
||
|
||
#define coff_relocate_section coff_tic80_relocate_section
|
||
|
||
/* We need a special relocation routine to handle the PP relocs. Most
|
||
of this is a copy of _bfd_coff_generic_relocate_section. */
|
||
|
||
static bfd_boolean
|
||
coff_tic80_relocate_section (output_bfd, info, input_bfd,
|
||
input_section, contents, relocs, syms,
|
||
sections)
|
||
bfd *output_bfd;
|
||
struct bfd_link_info *info;
|
||
bfd *input_bfd;
|
||
asection *input_section;
|
||
bfd_byte *contents;
|
||
struct internal_reloc *relocs;
|
||
struct internal_syment *syms;
|
||
asection **sections;
|
||
{
|
||
struct internal_reloc *rel;
|
||
struct internal_reloc *relend;
|
||
|
||
rel = relocs;
|
||
relend = rel + input_section->reloc_count;
|
||
for (; rel < relend; rel++)
|
||
{
|
||
long symndx;
|
||
struct coff_link_hash_entry *h;
|
||
struct internal_syment *sym;
|
||
bfd_vma addend;
|
||
bfd_vma val;
|
||
reloc_howto_type *howto;
|
||
bfd_reloc_status_type rstat;
|
||
bfd_vma addr;
|
||
|
||
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;
|
||
|
||
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 (output_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;
|
||
}
|
||
}
|
||
|
||
addr = rel->r_vaddr - input_section->vma;
|
||
|
||
/* FIXME: This code assumes little endian, but the PP can
|
||
apparently be bi-endian. I don't know if the bi-endianness
|
||
applies to the instruction set or just to the data. */
|
||
switch (howto->type)
|
||
{
|
||
default:
|
||
case R_ABS:
|
||
case R_RELLONGX:
|
||
case R_PPL15:
|
||
case R_PPL15W:
|
||
case R_PPL15H:
|
||
case R_PPLN15:
|
||
case R_PPLN15W:
|
||
case R_PPLN15H:
|
||
rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
|
||
contents, addr, val, addend);
|
||
break;
|
||
|
||
case R_PP15:
|
||
case R_PP15W:
|
||
case R_PP15H:
|
||
case R_PPN15:
|
||
case R_PPN15W:
|
||
case R_PPN15H:
|
||
/* Offset the address so that we can use 4 byte relocations. */
|
||
rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
|
||
contents + 2, addr, val, addend);
|
||
break;
|
||
|
||
case R_PP16B:
|
||
case R_PPN16B:
|
||
{
|
||
/* The most significant bit is stored in bit 6. */
|
||
bfd_byte hold;
|
||
|
||
hold = contents[addr + 4];
|
||
contents[addr + 4] &=~ 0x20;
|
||
contents[addr + 4] |= (contents[addr] >> 1) & 0x20;
|
||
rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
|
||
contents + 2, addr,
|
||
val, addend);
|
||
contents[addr] &=~ 0x40;
|
||
contents[addr] |= (contents[addr + 4] << 1) & 0x40;
|
||
contents[addr + 4] &=~ 0x20;
|
||
contents[addr + 4] |= hold & 0x20;
|
||
break;
|
||
}
|
||
|
||
case R_PPL16B:
|
||
case R_PPLN16B:
|
||
{
|
||
/* The most significant bit is stored in bit 28. */
|
||
bfd_byte hold;
|
||
|
||
hold = contents[addr + 1];
|
||
contents[addr + 1] &=~ 0x80;
|
||
contents[addr + 1] |= (contents[addr + 3] << 3) & 0x80;
|
||
rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
|
||
contents, addr,
|
||
val, addend);
|
||
contents[addr + 3] &= ~0x10;
|
||
contents[addr + 3] |= (contents[addr + 1] >> 3) & 0x10;
|
||
contents[addr + 1] &=~ 0x80;
|
||
contents[addr + 1] |= hold & 0x80;
|
||
break;
|
||
}
|
||
|
||
case R_PPBASE:
|
||
/* Parameter RAM is from 0x1000000 to 0x1000800. */
|
||
contents[addr] &=~ 0x3;
|
||
if (val >= 0x1000000 && val < 0x1000800)
|
||
contents[addr] |= 0x3;
|
||
else
|
||
contents[addr] |= 0x2;
|
||
rstat = bfd_reloc_ok;
|
||
break;
|
||
|
||
case R_PPLBASE:
|
||
/* Parameter RAM is from 0x1000000 to 0x1000800. */
|
||
contents[addr + 2] &= ~0xc0;
|
||
if (val >= 0x1000000 && val < 0x1000800)
|
||
contents[addr + 2] |= 0xc0;
|
||
else
|
||
contents[addr + 2] |= 0x80;
|
||
rstat = bfd_reloc_ok;
|
||
break;
|
||
}
|
||
|
||
switch (rstat)
|
||
{
|
||
default:
|
||
abort ();
|
||
case bfd_reloc_ok:
|
||
break;
|
||
case bfd_reloc_outofrange:
|
||
(*_bfd_error_handler)
|
||
(_("%B: bad reloc address 0x%lx in section `%A'"),
|
||
input_bfd, input_section, (unsigned long) rel->r_vaddr);
|
||
return FALSE;
|
||
case bfd_reloc_overflow:
|
||
{
|
||
const char *name;
|
||
char buf[SYMNMLEN + 1];
|
||
|
||
if (symndx == -1)
|
||
name = "*ABS*";
|
||
else if (h != NULL)
|
||
name = h->root.root.string;
|
||
else
|
||
{
|
||
name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
|
||
if (name == NULL)
|
||
return FALSE;
|
||
}
|
||
|
||
if (! ((*info->callbacks->reloc_overflow)
|
||
(info, name, howto->name, (bfd_vma) 0, input_bfd,
|
||
input_section, rel->r_vaddr - input_section->vma)))
|
||
return FALSE;
|
||
}
|
||
}
|
||
}
|
||
return TRUE;
|
||
}
|
||
|
||
#define TIC80COFF 1 /* Customize coffcode.h */
|
||
#undef C_AUTOARG /* Clashes with TIc80's C_UEXT */
|
||
#undef C_LASTENT /* Clashes with TIc80's C_STATLAB */
|
||
#include "coffcode.h"
|
||
|
||
CREATE_LITTLE_COFF_TARGET_VEC (tic80coff_vec, "coff-tic80", D_PAGED, 0, '_', NULL, COFF_SWAP_TABLE)
|