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2015-01-07Fix memory access violations uncovered by running the dlltool on fuzzed ↵Nick Clifton1-0/+3
binaries. PR binutils/17512 * dlltool.c (scan_obj_file): Break loop if the last archive displayed matches the current archive.
2015-01-07Fix memory access violations exposed by running the srconv tool on fuzzed ↵Nick Clifton1-0/+8
binaries. PR binutils/17512 * objdump.c (display_any_bfd): Add a depth limit to nested archive display in order to avoid infinite loops. * srconv.c: Replace calls to abort with calls to fatal with an error message.
2015-01-06Fixes for memory access violations in the coffdump program.Nick Clifton1-0/+14
PR binutils/17512 * coffdump.c (dump_coff_section): Check for a symbol being available before printing its name. (main): Check the return value from coff_grok. * coffgrok.c: Reformat and tidy. Add range checks to most functions. (coff_grok): Return NULL if the input bfd is not in a COFF format. * coffgrok.h: Reformat and tidy. (struct coff_section): Change the nrelocs field to unsigned. * srconv.c (main): Check the return value from coff_grok. * coff-i860.c (CALC_ADDEND): Always set an addend value. * tekhex.c (getvalue): Add an end pointer parameter. Use it to avoid reading off the end of the buffer. (getsym): Likewise. (first_phase): Likewise. (pass_over): Pass an end pointer to the invoked function.
2015-01-05More fixes for invalid memory accesses triggered by fuzzed binaries.Nick Clifton1-0/+13
PR binutils/17512 * nm.c (print_symbol): Add 'is_synthetic' parameter. Use it to help initialize the info.elfinfo field. (print_size_symbols): Add 'synth_count' parameter. Use it to set the is_synthetic parameter when calling print_symbol. (print_symbols): Likewise. (display_rel_file): Pass synth_count to printing function. (display_archive): Break loop if the last archive displayed matches the current archive. * size.c (display_archive): Likewise. * archive.c (do_slurp_bsd_armap): Make sure that the parsed sized is at least big enough for the header to be read. * elf32-i386.c (elf_i386_get_plt_sym_val): Skip unknown relocs. * mach-o.c (bfd_mach_o_get_synthetic_symtab): Add range checks. (bfd_mach_o_read_command): Prevetn duplicate error messages about unrecognized commands. * syms.c (_bfd_stab_section_find_nearest_line): Add range checks when indexing into the string table.
2015-01-05More fixes for invalid memory accesses triggered by fuzzed binaries.Nick Clifton1-0/+23
PR binutils/17531 * dwarf.c (alloc_num_debug_info_entries): New variable. (process_debug_info): Set it. Use it to avoid displaying attributes for which there is no info. (display_debug_abbrev): Check that the debug_info_entry index is valid before using it. (display_loc_list_dwo): Likewise. (process_cu_tu_index): Add range check for an overlarge dw_sect value. (free_debug_memory): Reset alloc_num_debug_info_entries. * readelf.c (slurp_ia64_unwind_table): Warn if the reloc could not be indentified. (dynamic_section_mips_val): Warn if the timestamp is invalid. (print_mips_got_entry): Add a data_end parameter. Warn if a read would go beyond the end of the data, and return an error value. (process_mips_specific): Do not read options from beyond the end of the section. Correct code to display optional data at the end of an option. Warn if there are too many GOT symbols. Update calls to print_mips_got_entry, and handle error returns.
2015-01-05Corrects the description of the --kill-at option of dlltool.Daniel Klauer1-0/+6
PR binutils/17489 * doc/binutils.texi (dlltool): Correct description of --kill-at option.
2015-01-02Correct printed year in copyright noticesAlan Modra1-0/+4
2015-01-02ChangeLog rotatation and copyright year updateAlan Modra1-946/+4
2014-12-25ARM: Add support for value 3 of Tag_ABI_VFP_args attributeTerry Guo1-0/+4
*** bfd/ChangeLog *** 2014-12-25 Thomas Preud'homme <thomas.preudhomme@arm.com> * elf32-arm.c (elf32_arm_merge_eabi_attributes): Handle new Tag_ABI_VFP_args value and replace hardcoded values by enum values. (elf32_arm_post_process_headers): Set e_flags in ELF header as hard float only when Tag_ABI_VFP_args is 1, using new enum value AEABI_VFP_args_vfp to check that. *** binutils/ChangeLog *** 2014-12-25 Thomas Preud'homme <thomas.preudhomme@arm.com> * readelf.c (arm_attr_tag_ABI_VFP_args): Add "compatible". *** gdb/ChangeLog *** 2014-12-25 Thomas Preud'homme <thomas.preudhomme@arm.com> * arm-tdep.c (arm_gdbarch_init): Explicitely handle value 3 of Tag_ABI_VFP_args. Also replace hardcoded values by enum values in the switch handling the different values of Tag_ABI_VFP_args. *** gold/ChangeLog *** 2014-12-25 Thomas Preud'homme <thomas.preudhomme@arm.com> * arm.cc (Target_arm::do_adjust_elf_header): Set e_flags in ELF header as hard float only when Tag_ABI_VFP_args is 1, using new enum value AEABI_VFP_args_vfp to check that. (Target_arm::merge_object_attributes): Handle new Tag_ABI_VFP_args value and replace hardcoded values by enum values. *** include/elf/ChangeLog *** 2014-12-25 Thomas Preud'homme <thomas.preudhomme@arm.com> * arm.h: New AEABI_FP_number_model_* and AEABI_VFP_args_* enum values. *** ld/testsuite/ChangeLog *** 2014-12-25 Thomas Preud'homme <thomas.preudhomme@arm.com> * ld-arm/attr-merge-2a.s: Add Tag_ABI_VFP_args. * ld-arm/attr-merge-2b.s: Likewise. * ld-arm/attr-merge-2.attr: Likewise. * ld-arm/attr-merge-4a.s: Add Tag_ABI_FP_number_model and Tag_ABI_VFP_args. * ld-arm/attr-merge-4b.s: Likewise. * ld-arm/attr-merge-4.attr: Likewise. * ld-arm/attr-merge-6a.s: Likewise. * ld-arm/attr-merge-6b.s: Likewise. * ld-arm/attr-merge-6.attr: Add Tag_ABI_FP_number_model.
2014-12-24This patch fixes a snafu where the -D and -U short versions of theAlexander Cherepanov1-0/+6
--enable-deterministic-archives and --disable-deteministic-archive options were not being accepted. PR binutils/17671 * objcopy.c (copy_main, strip_main): Add D and U to the list of accepted short versions of long options.
2014-12-24Reverts an "enhancement" made in a previous delta which complained ofNick Clifton1-0/+5
unprocessed augmentation data at the end of a CIE. * dwarf.c (read_cie): Revert check for unused augmentation data - it was bogus.
2014-12-23Clarify strip docs.Andrew Stubbs1-0/+5
binutils/ * objcopy.c (strip_usage): Reword --remove-section description. * doc/binutils.texi (strip): Likewise.
2014-12-23Reformat the objdump.1 man output to avoid overlong lines.Nick Clifton1-0/+4
2014-12-22Cast size to long to warnH.J. Lu1-0/+4
* dwarf.c (read_cie): Cast size to long to warn.
2014-12-22More fixes for invalid memory accesses exposed by fuzzed binaries.Nick Clifton1-0/+15
PR binutils/17531 * dwarf.c (decode_location_expression): Check for an out of range value for a DW_OP_GNU_entry_value expression. (display_debug_lines_raw): Check for a partial .debug_line. section being encountered without a prior, full .debug.line section. (display_debug_lines_decoded): Likewise. Also check for li_line_range being zero. (display_debug_pubnames_worker): Check for an invalid pn_length field. (read_cie): Add range checks. * elfcomm.c (setup_archive): Check for a negative longnames_size.
2014-12-18Display DW_LANG_C11 as (C11).Mark Wielaard1-0/+5
* dwarf.c (read_and_display_attr_value): Change display name of DW_LANG_C11 from (ANSI C11) to (C11).
2014-12-11Fix a few moere memory access violations.Nick Clifton1-0/+5
PR binutils/17512 * dwarf.c (display_gdb_index): Add more range checks.
2014-12-11Use autoconf check for long long in binutilsAlan Modra1-0/+11
Also fix a place where %lld was wrongly used to print a dwarf_vma. * configure.ac: Check for long long and sizes of long long and long. * elfcomm.h (HOST_WIDEST_INT): Test HAVE_LONG_LONG in place of __STDC_VERSION__ and __GNUC__. * strings.c (print_strings): Likewise. * dwarf.c (DWARF_VMA_FMT, DWARF_VMA_FMT_LONG): Likewise. (read_debug_line_header): Use dwarf_vmatoa to print warning. * configure: Regenerate. * config.in: Regenerate.
2014-12-10Don't always build coffgen.oAlan Modra1-0/+4
Removes a bunch of unused functions from libbfd when building ELF or AOUT. Split off the bits we need externally when not building a COFF target into coff-bfd.c and coff-bfd.h. bfd/ * Makefile.am (BFD32_LIBS, BFD32_LIBS_CFILES): Remove dwarf2 and coffgen. Add coff-bfd. Sort. (BFD32_BACKENDS, BFD32_BACKENDS_CFILES): Add coffgen and dwarf2. * bfd-in.h (bfd_coff_get_syment, bfd_coff_get_auxent): Delete. (struct coff_comdat_info, bfd_coff_get_comdat_section): Delete. * coffgen.c (coff_symbol_from): Move to coff-bfd.h as macro, without unused param. Update uses. (bfd_coff_get_comdat_section): Move to coff-bfd.h as macro. (bfd_coff_get_syment, bfd_coff_get_auxent): Move to coff-bfd.c. * libcoff-in.h: #include "coff-bfd.h". (struct coff_section_tdata, coff_section_data): Move to coff-bfd.h. (coff_symbol_from): Delete. * coff-bfd.c: New file. * coff-bfd.h: New file. * coff-i386.c: Update coff_symbol_from occurrences. * coff-i960.c: Likewise. * coff-m68k.c: Likewise. * coff-sh.c: Likewise. * coff-x86_64.c: Likewise. * coffcode.h: Likewise. * pe-mips.c: Likewise. * configure.ac (elf): Add dwarf2.lo. (coffgen, coff, ecoff, xcoff): Define. Use when mapping bfd target vectors to .o files. Add dwarf2 for mach-o targets. Fix the sh target FIXME. * po/SRC-POTFILES.in: Regenerate. * Makefile.in: Regenerate. * configure: Regenerate. * bfd-in2.h: Regenerate. * libcoff.h: Regenerate. binutils/ * objdump.c: #include "coff-bfd.h". ld/ * ldmisc.c: #include "coff-bfd.h"
2014-12-09 * od-elf32_avr.c (elf32_avr_dump_mem_usage): Fix device initialization.Denis Chertykov1-0/+4
2014-12-09More fixes for memory access violations triggered by fuzzed binaries.Nick Clifton1-0/+6
PR binutils/17512 * objdump.c (display_any_bfd): Avoid infinite loop closing and opening the same archive again and again. * archive64.c (bfd_elf64_archive_slurp_armap): Add range checks. * libbfd.c (safe_read_leb128): New function. * libbfd-in.h (safe_read_leb128): Add prototype. * libbfd.h: Regenerate. * elf-attrs.c (_bfd_elf_parse_attributes): Use safe_read_leb128. Check for an over-long subsection length. * elf.c (elf_parse_notes): Check that the namedata is long enough for the string comparison that is about to be performed. (elf_read_notes): Zero-terminate the note buffer.
2014-12-09Fix windres memory leakChen Gang1-0/+4
* windres.c (open_file_search): Free path buffer on failure.
2014-12-08More fixes for invalid memory accesses triggered by fuzzed binaries.Nick Clifton1-0/+15
PR binutils/17531 * dwarf.c (display_debug_frames): Check for a negative augmentation data length. (display_gdb_index): Check for invalid offsets. * elfcomm.c (process_archive_index_and_symbols): Check for an index number that overflows when multiplied by the ar index size. * readelf.c (dump_ia64_unwind): Add range checks. (slurp_ia64_unwind_table): Change to a boolean function. Add range checks. (process_version_sections): Add range checks. (get_symbol_version_string): Add check for missing section headers.
2014-12-08 * configure.ac: Add od-elf32_avr to build.Denis Chertykov1-0/+7
* configure: Regenerate. * od-elf32_avr.c: New file. * objdump.h: Declare objdump_private_desc_elf32_avr.
2014-12-06Add Visium support to binutilsEric Botcazou1-0/+12
binutils/ * readelf.c: Include elf/visium.h. (guess_is_rela): Deal with EM_VISIUM. (dump_relocations): Likewise. (get_machine_name): Likewise. (get_machine_flags): Likewise. (get_osabi_name): Likewise. (is_32bit_abs_reloc): Likewise. (is_32bit_pcrel_reloc): Likewise. (is_16bit_abs_reloc): Likewise. binutils/testsuite: * binutils-all/objcopy.exp: Skip strip-10 for Visium.
2014-12-05Add string representation of ELF e_flags for AVR.Andrew Burgess1-0/+5
binutils/ChangeLog: * readelf.c (decode_AVR_machine_flags): New function. (get_machine_flags): Add EM_AVR case.
2014-12-03Fix memory access problems exposed by fuzzed binaries.Nick Clifton1-0/+6
PR binutils/17512 * objdump.c (free_debug_section): Reset the compress_status as well. * compress.c (bfd_get_full_section_contents): Fail if there are no section contents available when the compress_status is COMPRESS_SECTION_DONE. * libbfd.c (bfd_malloc): Refuse to allocate a negative size. (bfd_malloc2): Use bfd_malloc. (bfd_realloc): Refuse to reallocate a negative size. (bfd_realloc2): Use bfd_realloc. (bfd_realloc_or_free): Use bfd_realloc. (bfd_zmalloc): Use bfd_malloc. (bfd_zmalloc): Use bfd_malloc2. * opncls.c (bfd_alloc): Refuse to allocate a negative size.
2014-12-03Replace calls to abort (in readelf) with informative error messages.Nick Clifton1-0/+13
PR binutils/17531 * readelf.c (get_machine_flags): Replace call to abort with a warning message and a return value. (get_elf_section_flags): Likewise. (get_symbol_visibility): Likewise. (get_ia64_symbol_other): Likewise. (get_ia64_symbol_other): Likewise. (is_32bit_abs_reloc): Likewise. (apply_relocations): Likewise. (display_arm_attribute): Likewise.
2014-12-02 * MAINTAINERS: Fix my email address.Denis Chertykov1-0/+4
2014-12-01Properly check for an out of range row indexH.J. Lu1-0/+5
* dwarf.c (process_cu_tu_index): Properly check for an out of range row index.
2014-12-01More fixes for memory access violations exposed by fuzzed binaries.Nick Clifton1-0/+17
PR binutils/17512 * dwarf.h (struct dwarf_section): Add user_data field. * dwarf.c (frame_need_space): Check for an over large register number. (display_debug_frames): Check the return value from frame_need_space. Check for a CFA expression that is so long the start address wraps around. (debug_displays): Initialise the user_data field. * objdump.c (load_specific_debug_section): Save the BFD section pointer in the user_data field of the dwarf_section structure. (free_debug_section): Update BFD section data when freeing section contents. * readelf.c (load_specific_debug_section): Initialise the user_data field. * archive.c (do_slurp_coff_armap): Add range checks to prevent running off the end of the string table. * compress.c (bfd_get_full_section_contents): Return a NULL pointer for zero sized sections. Do not attempt to copy a buffer onto itself. * elf-attrs.c (_bfd_elf_parse_attributes): Check for an empty header. Add range checks to avoid running off the end of the section. * elf.c (bfd_elf_get_str_section): Seek before allocating so that if the seek fails, no memory is allocated. (bfd_elf_string_from_elf_section): Do not allocate a string from a non string section. It only leads to trouble later on. (_bfd_elf_print_private_bfd_data): Check for there being too little external dynamic data. (bfd_section_from_shdr): Replace assertion with a failure mode. (bfd_section_from_shdr): When walking a loaded group section use the internal structure size, not the external size. Check for the group section being empty. * elf32-i386.c (elf_i386_rtype_to_howto): Replace assertion with a failure mode. * elfcode.h (elf_slurp_reloc_table): Likewise. * reloc.c (bfd_perform_relocation): Avoid seg-fault if the howto parameter is NULL.
2014-12-01Add checks for memory access violations exposed by fuzzed archives.Nick Clifton1-0/+14
PR binutils/17531 * dwarf.c (process_cu_tu_index): Check for an out of range row index. * elfcomm.c (adjust_relative_path): Change name_len parameter to an unsigned long. Check for path length overflow. (process_archive_index_and_symbols): Check for invalid header size. (setup_archive): Add checks for invalid archives. (get_archive_member_name): Add range checks. * elfcomm.h (adjust_relative_path): Update prototyoe. * readelf.c (process_archive): Add range checks.
2014-11-28Fix build breakage on 32-bit targets with 64-bit bfdAlan Modra1-0/+6
* readelf.c (get_32bit_elf_symbols): Cast bfd_size_type values to unsigned long for %lx. (get_64bit_elf_symbols, process_section_groups): Likewise.
2014-11-27Fixes an infinite loop in readelf parsing a corrupt binary, and other minor ↵Espen Grindhaug1-0/+12
corrections. PR binutils/17531 * readelf.c (get_data): Move excessive length check to earlier on in the function and allow for wraparound in the arithmetic. (get_32bit_elf_symbols): Terminate early if the section size is zero. Check for an invalid sh_entsize. Check for an index section with an invalid size. (get_64bit_elf_symbols): Likewise. (process_section_groups): Check for an invalid sh_entsize.
2014-11-27dwarf.c handle new DWARFv5 C11, C++11 and C++14 DW_LANG constants.Mark Wielaard1-0/+5
binutils/ChangeLog * dwarf.c (read_and_display_attr_value): Handle DW_LANG_C11, DW_LANG_C_plus_plus_11 and DW_LANG_C_plus_plus_14.
2014-11-26More fixes for memory access errors triggered by attemps to examine ↵Nick Clifton1-0/+13
corrupted binaries. 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.
2014-11-25Use get_symbol_version_string in BFD_JUMP_TABLE_SYMBOLSH.J. Lu1-0/+6
This patch adds get_symbol_version_string to BFD_JUMP_TABLE_SYMBOLS so that we can use bfd_get_symbol_version_string in objdump for non-ELF targets. bfd/ * targets.c (BFD_JUMP_TABLE_SYMBOLS): Use NAME##_get_symbol_version_string. (bfd_get_symbol_version_string): New. * aout-adobe.c (aout_32_get_symbol_version_string): Define using _bfd_nosymbols define. * aout-target.h (MY_get_symbol_version_string): Likewise. * aout-tic30.c (MY_get_symbol_version_string): Likewise. * binary.c (binary_get_symbol_version_string): Likewise. * bout.c (aout_32_get_symbol_version_string): Likewise. * coff-rs6000.c (_bfd_xcoff_get_symbol_version_string): Likewise. * i386msdos.c (msdos_get_symbol_version_string): Likewise. * i386os9k.c (aout_32_get_symbol_version_string): Likewise. * ieee.c (ieee_get_symbol_version_string): Likewise. * ihex.c (ihex_get_symbol_version_string): Likewise. * libecoff.h (_bfd_ecoff_get_symbol_version_string): Likewise. * mach-o-target.c (bfd_mach_o_get_symbol_version_string): Likewise. * mmo.c (mmo_get_symbol_version_string): Likewise. * nlm-target.h (nlm_get_symbol_version_string): Likewise. * oasys.c (oasys_get_symbol_version_string): Likewise. * pef.c (bfd_pef_get_symbol_version_string): Likewise. * plugin.c (bfd_plugin_get_symbol_version_string): Likewise. * ppcboot.c (ppcboot_get_symbol_version_string): Likewise. * som.c (som_get_symbol_version_string): Likewise. * srec.c (srec_get_symbol_version_string): Likewise. * tekhex.c (tekhex_get_symbol_version_string): Likewise. * versados.c (versados_get_symbol_version_string): Likewise. * vms-alpha.c (alpha_vms_get_symbol_version_string): Likewise. * xsym.c (bfd_sym_get_symbol_version_string): Likewise. * coff64-rs6000.c (rs6000_xcoff64_vec): Use coff_get_symbol_version_string. (rs6000_xcoff64_aix_vec): Likewise. * elf-bfd.h (bfd_elf_get_symbol_version_string): Renamed to ... (_bfd_elf_get_symbol_version_string): This. * elf.c: Likewise. (bfd_elf_print_symbol): Updated. * elfxx-target.h (bfd_elfNN_get_symbol_version_string): Define. * libbfd-in.h (_bfd_nosymbols_get_symbol_version_string): Define. * libcoff-in.h (coff_get_symbol_version_string): Likewise. * bfd-in2.h: Regenerated. * libbfd.h: Likewise. * libcoff.h: Likewise. binutils/ * objdump.c (objdump_print_symname): Replace bfd_elf_get_symbol_version_string with bfd_get_symbol_version_string.
2014-11-25Display symbol version when dumping dynrelocsH.J. Lu1-0/+17
Both readelf/objdump know how to get symbol version string for dynamic symbols. This patch extracts this functionality into a separate function and uses it to add symbol version string to versioned symbol names when dumping dynamic relocations. bfd/ PR binutils/16496 * elf-bfd.h (bfd_elf_get_symbol_version_string): New. * elf.c (bfd_elf_get_symbol_version_string): New. Extracted from bfd_elf_print_symbol. (bfd_elf_print_symbol): Use it. binutils/ PR binutils/16496 * objdump.c (objdump_print_symname): Call bfd_elf_get_symbol_version_string to get ELF symbol version string. Append version string if needed. * readelf.c (versioned_symbol_info): New enum. (get_symbol_version_string): New. Extracted from process_symbol_table. (dump_relocations): Add a new argument to indicate if dynamic symbol table is used. Use get_symbol_version_string to get symbol version string for dynamic symbol. Append version string if needed. (process_relocs): Updated dump_relocations call. (process_symbol_table): Use get_symbol_version_string. ld/testsuite/ PR binutils/16496 * ld-cris/weakref3.d: Add symbol version string to versioned symbol names in dynamic relocation. * ld-cris/weakref4.d: Likewise. * ld-elfvers/vers24.rd: Likewise. * ld-elf/pr16496a.c: New file. * ld-elf/pr16496a.map: Likewise. * ld-elf/pr16496b.c: Likewise. * ld-elf/pr16496b.od: Likewise. * ld-elf/shared.exp (build_tests): Add libpr16496a.so and libpr16496b.so tests.
2014-11-24Update libtool.m4 from GCC trunkH.J. Lu1-0/+4
* libtool.m4: Updated from GCC trunk. bfd/ * configure: Regenerated. binutils/ * configure: Regenerated. gas/ * configure: Regenerated. gprof/ * configure: Regenerated. ld/ * configure: Regenerated. opcodes/ * configure: Regenerated.
2014-11-21Fixes for memory access violations exposed by fuzzinf various binaries.Nick Clifton1-0/+7
PR binutils/17512 * dwarf.c (get_encoded_value): Check for an encoded size of 0. (display_debug_lines_raw): Check for an invalid line range value. (display_debug_frames): Check for corrupt augmentation data. * coffgen.c (coff_get_normalized_symtab): Check for an excessive number of auxillary entries. * ieee.c (next_byte): Convert to a function. Return FALSE if the next byte is beyond the end of the buffer. (parse_int): Test the return value of next_byte. (parse_expression): Convert to boolean. Return FALSE if the parsing failed. Test the return value of next_byte. (ieee_seek): Convert to a function. Return FALSE if the seek goes beyond the end of the buffer. (ieee_slurp_external_symbols): Test the return value of ieee_seek and next_byte. (ieee_slurp_sections): Convert to boolean. Return FALSE if the operation failed. Test the return value of ieee_seek and next_byte. (ieee_archive_p): Test the return value of ieee_seek and next_byte. (do_one): Likewise. (ieee_slurp_section_data): Likewise. (ieee_object_p): Likewise. Store the size of the buffer in the total_amt field in the header. * libieee.h (common_header_type): Add amt field. * mach-o.c (bfd_mach_o_canonicalize_one_reloc): Check that the reloc's value is within range. (bfd_mach_o_read_symtab_symbols): Nullify the symbols field if the operation fails. * pei-x86_64.c (pex64_xdata_print_uwd_codes): Replace abort with an error message. (pex64_dump_xdata): Check for buffer overflows. * versados.c (process_otr): Check that the section exists before taking its size. (versados_object_p): Make sure that enough data was read for the header to be checked. * vms-alpha.c (vms_get_remaining_object_record): Change read_so_far parameter to an unsigned int. Check that the amount read is in range.
2014-11-21Resolve more problems with readelf uncovered by fuzzing binary files.Nick Clifton1-0/+7
PR binutils/17531 * readelf.c (process_version_sections): Prevent an infinite loop processing corrupt version need data. (process_corefile_note_segment): Handle corrupt notes.
2014-11-21Support ARM Cortex-M7Terry Guo1-0/+4
include/ChangeLog: 2014-11-21 Terry Guo <terry.guo@arm.com> * opcode/arm.h (FPU_VFP_EXT_ARMV8xD): New macro. (FPU_VFP_V5D16): Likewise. (FPU_VFP_V5_SP_D16): Likewise. (FPU_ARCH_VFP_V5D16): Likewise. (FPU_ARCH_VFP_V5_SP_D16): Likewise. bfd/ChangeLog: 2014-11-21 Terry Guo <terry.guo@arm.com> * elf32-arm.c (elf32_arm_merge_eabi_attributes): Support FPv5. binutils/ChangeLog: 2014-11-21 Terry Guo <terry.guo@arm.com> * readelf.c (arm_attr_tag_FP_arch): Extended to support FPv5. gas/ChangeLog: 2014-11-21 Terry Guo <terry.guo@arm.com> * config/tc-arm.c (fpu_vfp_ext_armv8xd): New. (arm_cpus): Support cortex-m7. (arm_fpus): Support fpv5-sp-d16 and fpv5-d16. (do_vfp_nsyn_cvt_fpv8): Generate error when use D register for S register only target like FPv5-SP-D16. (do_neon_cvttb_1): Likewise. (do_vfp_nsyn_fpv8): Likewise. (do_vrint_1): Likewise. (aeabi_set_public_attributes): Set proper FP arch for FPv5. * doc/c-arm.texi: Document new cpu and fpu names for cortex-m7. gas/testsuite/ChangeLog: 2014-11-21 Terry Guo <terry.guo@arm.com> * gas/arm/armv7e-m+fpv5-d16.s: New. * gas/arm/armv7e-m+fpv5-d16.d: Likewise. * gas/arm/armv7e-m+fpv5-sp-d16.s: Likewise. * gas/arm/armv7e-m+fpv5-sp-d16.d: Likewise. ld/testsuite/ChangeLog: 2014-11-21 Terry Guo <terry.guo@arm.com> * ld-arm/attr-merge-vfp-4-sp.s: New test source file. * ld-arm/attr-merge-vfp-5-sp.s: Likewise. * ld-arm/attr-merge-vfp-5.s: Likewise. * ld-arm/attr-merge-vfp-8.d: New test. * ld-arm/attr-merge-vfp-8r.d: Likewise. * ld-arm/attr-merge-vfp-9.d: Likewise. * ld-arm/attr-merge-vfp-9r.d: Likewise. * ld-arm/attr-merge-vfp-10.d: Likewise. * ld-arm/attr-merge-vfp-10r.d: Likewise. * ld-arm/attr-merge-vfp-11.d: Likewise. * ld-arm/attr-merge-vfp-11r.d: Likewise. * ld-arm/attr-merge-vfp-12.d: Likewise. * ld-arm/attr-merge-vfp-12r.d: Likewise. * ld-arm/attr-merge-vfp-13.d: Likewise. * ld-arm/attr-merge-vfp-13r.d: Likewise. * ld-arm/attr-merge-vfp-14.d: Likewise. * ld-arm/attr-merge-vfp-14r.d: Likewise. * ld-arm/arm-elf.exp: Run the new tests.
2014-11-19Fix date in ChangeLog entryJan-Benedict Glaw1-1/+1
2014-11-19Fix signedness warningJan-Benedict Glaw1-0/+4
This is the updated version using uintptr_t as Alan Modra suggested. 2014-11-18 Jan-Benedict Glaw <jbglaw@lug-owl.de> * dwarf.c (process_extended_line_op): Fix signedness warning.
2014-11-18Fixes a seg-fault when displaying the time data for a corrupt archive.Nick Clifton1-0/+5
PR binutuls/17605 * bucomm.c (print_arelt_descr): Check for ctime returning NULL.
2014-11-18More fixes for illegal memory accesses exposed by fuzzed binaries.Nick Clifton1-0/+16
PR binutils/17512 * peXXIgen.c (pe_print_pdata): Fail if the section's virtual size is larger than its real size. (rsrc_print_section): Fix off-by-one error checking for overflow. * pei-x86_64.c (pex64_bfd_print_pdata): Handle empty unwind sections. * dwarf.c (get_encoded_value): Warn and return if the encoded value is more than 64-bits long. (SAFE_BYTE_GET): Do not attempt to read more than 64-bits. (process_extended_line_op): Add more range checks. (decode_location_expression): Use the return value from display_block. Add more range checks. (read_debug_line_header): Add range check. (display_debug_lines_raw): Add range checks. (display_debug_frames): Silently skip multiple zero terminators. Add range checks. (process_cu_tu_index): Check for non-existant or empty sections. Use SAFE_BYTE_GET instead of byte_get.
2014-11-18Fix memort access problems exposed by fuzzed binaries.Nick Clifton1-0/+8
PR binutils/17531 * readelf.c (get_unwind_section_word): Skip reloc processing if there are no relocs associated with the section. (decode_tic6x_unwind_bytecode): Warn and return if the stack pointer adjustment falls off the end of the buffer.
2014-11-14More fixes for invalid memory accesses triggered by corrupt binaries.Nick Clifton1-0/+14
PR binutils/17512 * dwarf.c (get_encoded_value): Add an 'end' parameter. Change the 'data' parameter to a double pointer and return the updated value. (decode_location_expression): Update call to get_encoded_value. (frame_need_space): Handle the case where one or both of the mallocs fails. (read_cie): Initialise the cie pointer, even if the read fails. (display_debug_frames): Warn if the calculated block_end is before the start of the block. Break the loop if the CIE could not be read. Update call to get_encoded_value. Warn if the read CFA expressions are too big. * ieee.c (ieee_archive_p) Skip processing if no bytes are read at all. (ieee_object_p): Likewise.
2014-11-13More fixes for readelf problems reading corrupt files.Nick Clifton1-0/+14
PR binutils/17531 * readelf.c (process_version_sections): If the read of the version def information fails, make sure that the external verdef data is not used. (get_dynamic_data): Do not attempt to allocate memory for more dynamic data than there is in the file. If the read fails, free the allocated buffer. (process_symbol_table): Do not print dynamic information if we were unable to read the dynamic symbol table. (print_gnu_note): Do not print the note if the descsz is too small.
2014-11-12Fix more memory faults uncovered by fuzzing various executables.Nick Clifton1-0/+20
PR binutils/17512 * dwarf.c (read_and_display_attr_value): Check that we do not read past end. (display_debug_pubnames_worker): Add range checks. (process_debug_info): Check for invalid pointer sizes. (display_loc_list): Likewise. (display_loc_list_dwo): Likewise. (display_debug_ranges): Likewise. (display_debug_aranges): Check for invalid address size. (read_cie): Add range checks. Replace call strchr with while loop. * objdump.c (dump_dwarf): Replace abort with a warning message. (print_section_stabs): Improve range checks. * rdcoff.c (coff_get_slot): Use long for indx parameter type. Add check for an excesively large index. * rddbg.c (read_section_stabs_debugging_info): Zero terminate the string table. Avoid walking off the end of the stabs data. * stabs.c (parse_stab_string): Add check for a NULL name. PR binutils/17512 * coffcode.h (coff_slurp_line_table): Set the line number of corrupt entries to -1. (coff_slurp_symbol_table): Alway initialise the value of the symbol. * coffgen.c (coff_print_symbol): Check that the combined pointer is valid. (coff_print_symbol): Do not print negative line numbers. * peXXigen.c (pe_print_idata): Add range checking displaying member names.
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