PR binutils/17512
* dwarf.c (display_block): Do nothing if the block starts after
the end of the buffer.
(read_and_display_attr_value): Add range checks.
(struct Frame_Chunk): Make the ncols and ra fields unsigned.
(frame_need_space): Test for an ncols of zero.
(read_cie): Fail if the augmentation data extends off the end of
the buffer.
(display_debug_frames): Add checks for read_cie failing. Add
range checks.
* coff-h8300.c (rtype2howto): Replace abort with returning a NULL
value.
* coff-h8500.c (rtype2howto): Likewise.
* coff-tic30.c (rtype2howto): Likewise.
* coff-z80.c (rtype2howto): Likewise.
* coff-z8k.c (rtype2howto): Likewise.
* coff-ia64.c (RTYPE2HOWTO): Always return a valid howto.
* coff-m68k.c (m68k_rtype2howto): Return a NULL howto if none
could be found.
* coff-mcore.c (RTYPE2HOWTO): Add range checking.
* coff-w65.c (rtype2howto): Likewise.
* coff-we32k.c (RTYPE2HOWTO): Likewise.
* pe-mips.c (RTYPE2HOWTO): Likewise.
* coff-x86_64.c (coff_amd64_reloc): Likewise. Replace abort with
an error return.
* coffcode.h (coff_slurp_reloc_table): Allow the rel parameter to
be unused.
* coffgen.c (make_a_section_from_file): Check the length of a
section name before testing to see if it is a debug section name.
(coff_object_p): Zero out any uninitialised bytes in the opt
header.
* ecoff.c (_bfd_ecoff_slurp_symbolic_info): Test for the raw
source being empty when there are values to be processed.
(_bfd_ecoff_slurp_symbol_table): Add range check.
* mach-o.c (bfd_mach_o_canonicalize_one_reloc): Likewise.
(bfd_mach_o_mangle_sections): Move test for too many sections to
before the allocation of the section table.
(bfd_mach_o_read_symtab_strtab): If the read fails, free the
memory and nullify the symbol pointer.
* reloc.c (bfd_generic_get_relocated_section_contents): Add
handling of a bfd_reloc_notsupported return value.
* versados.c (EDATA): Add range checking.
(get_record): Likewise.
(process_otr): Check for contents being available before updating
them.
(versados_canonicalize_reloc): Add range check.
as appropriate. Use EMPTY_HOWTO as appropriate. Fill in
structure initializations. Add casts.
* reloc.c (EMPTY_HOWTO): Define.
* bfd-in2.h: Rebuild.
* coff-h8300.c (h8300_reloc16_extra_cases): Remove useless
comparisons against 0.
* elf32-sparc.c (elf32_sparc_merge_private_bfd_data): Change
previous_ibfd_e_flags to unsigned long.
* vms.h (struct vms_private_data_struct): Change section_count to
unsigned.
* vms-gsd.c (_bfd_vms_slurp_gsd): Change psect_idx to unsigned.
(_bfd_vms_write_gsd): Change symnum to unsigned.
* vms-hdr.c (_bfd_vms_write_hdr): Change symnum to unsigned.
* vms-tir.c (etir_sta): Change psect to unsigned.
(alloc_section): Change idx to unsigned.
(tir_sta, tir_ctl): Change psect to unsigned.
(_bfd_vms_write_tir): Change len and before to bfd_size_type.
* vms.c (priv_section_count): Change to unsigned.
Alan Modra