binutils-gdb/bfd/coff-we32k.c

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/* BFD back-end for we32k COFF files.
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Copyright (C) 1992-2016 Free Software Foundation, Inc.
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Contributed by Brendan Kehoe (brendan@cs.widener.edu).
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
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
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This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
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#include "sysdep.h"
#include "bfd.h"
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#include "libbfd.h"
#include "coff/we32k.h"
#include "coff/internal.h"
#include "libcoff.h"
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
static reloc_howto_type howto_table[] =
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{
EMPTY_HOWTO (0),
EMPTY_HOWTO (1),
EMPTY_HOWTO (2),
EMPTY_HOWTO (3),
EMPTY_HOWTO (4),
EMPTY_HOWTO (5),
HOWTO(R_DIR32, 0, 2, 32, FALSE, 0,complain_overflow_bitfield, 0, "dir32", TRUE, 0xffffffff,0xffffffff, FALSE),
EMPTY_HOWTO (7),
EMPTY_HOWTO (010),
EMPTY_HOWTO (011),
EMPTY_HOWTO (012),
EMPTY_HOWTO (013),
EMPTY_HOWTO (014),
EMPTY_HOWTO (015),
EMPTY_HOWTO (016),
HOWTO(R_RELBYTE, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, 0, "8", TRUE, 0x000000ff,0x000000ff, FALSE),
HOWTO(R_RELWORD, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, 0, "16", TRUE, 0x0000ffff,0x0000ffff, FALSE),
HOWTO(R_RELLONG, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, 0, "32", TRUE, 0xffffffff,0xffffffff, FALSE),
HOWTO(R_PCRBYTE, 0, 0, 8, TRUE, 0, complain_overflow_signed, 0, "DISP8", TRUE, 0x000000ff,0x000000ff, FALSE),
HOWTO(R_PCRWORD, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0, "DISP16", TRUE, 0x0000ffff,0x0000ffff, FALSE),
HOWTO(R_PCRLONG, 0, 2, 32, TRUE, 0, complain_overflow_signed, 0, "DISP32", TRUE, 0xffffffff,0xffffffff, FALSE),
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};
More fixes for memory access errors triggered by attemps to examine 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.
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#define NUM_HOWTOS (sizeof (howto_table) / sizeof (howto_table[0]))
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/* Turn a howto into a reloc nunmber */
#define SELECT_RELOC(x,howto) { x.r_type = howto->type; }
#define BADMAG(x) WE32KBADMAG(x)
#define WE32K 1
More fixes for memory access errors triggered by attemps to examine 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.
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#define RTYPE2HOWTO(cache_ptr, dst) \
((cache_ptr)->howto = \
((dst)->r_type < NUM_HOWTOS \
? howto_table + (dst)->r_type \
: NULL))
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* pe-arm-wince.c (pe_print_compressed_pdata): Define new function to print compressed pdata structure as described on MSDN. This only applies to a limited set of architectures (ARM, SH4). (slurp_symtab, my_symbol_for_address): Define static helper functions for pe_print_compressed_pdata. * coffcode.h (bfd_coff_backend_data): Add _bfd_coff_print_pdata field. (bfd_coff_have_print_pdata, bfd_coff_print_pdata): Define. * bfd/peXXigen.c (_bfd_XX_print_private_bfd_data_common): Add check on bfd_coff_backend_data, call the function if non-null. * pei-mcore.c: Add target dependent initialisation for bfd_coff_backend_data. * coff-sh.c: Likewise. * coff64-rs6000.c: Likewise. * coff-rs6000.c: Likewise. * libcoff-in.h: Likewise. * cf-i386lynx.c: Likewise. * coff-alpha.c: Likewise. * coff-apollo.c: Likewise. * coff-arm.c: Likewise. * coff-aux.c: Likewise. * coff-h8300.c: Likewise. * coff-h8500.c: Likewise. * coff-i386.c: Likewise. * coff-i860.c: Likewise. * coff-i960.c: Likewise. * coff-ia64.c: Likewise. * coff-m68k.c: Likewise. * coff-m88k.c: Likewise. * coff-maxq.c: Likewise. * coff-mips.c: Likewise. * coff-or32.c: Likewise. * coff-sparc.c: Likewise. * coff-tic30.c: Likewise. * coff-tic4x.c: Likewise. * coff-tic54x.c: Likewise. * coff-tic80.c: Likewise. * coff-w65.c: Likewise. * coff-we32k.c: Likewise. * coff-x86_64.c: Likewise. * coff-z80.c: Likewise. * coff-z8k.c: Likewise. * pe-mcore.c: Likewise. * pe-mips.c: Likewise. * pe-ppc.c: Likewise. * peXXigen.c: Likewise. * pei-ppc.c: Likewise. * libcoff.h: Regenerate.
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#ifndef bfd_pe_print_pdata
#define bfd_pe_print_pdata NULL
#endif
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#include "coffcode.h"
#define coff_write_armap bsd_write_armap
bfd target vector rationalisation This renames the bfd targets to <cpu>_<format>_<other>_<endian>_vec. So for example, bfd_elf32_ntradlittlemips_vec becomes mips_elf32_ntrad_le_vec and hp300bsd_vec becomes m68k_aout_hp300bsd_vec. bfd/ * aix386-core.c, * aout-adobe.c, * aout-arm.c, * aout-ns32k.c, * aout-sparcle.c, * aout0.c, * aoutx.h, * armnetbsd.c, * bout.c, * cf-i386lynx.c, * cf-sparclynx.c, * cisco-core.c, * coff-alpha.c, * coff-apollo.c, * coff-arm.c, * coff-aux.c, * coff-go32.c, * coff-h8300.c, * coff-h8500.c, * coff-i386.c, * coff-i860.c, * coff-i960.c, * coff-m68k.c, * coff-m88k.c, * coff-mips.c, * coff-rs6000.c, * coff-sh.c, * coff-sparc.c, * coff-stgo32.c, * coff-svm68k.c, * coff-tic80.c, * coff-u68k.c, * coff-w65.c, * coff-we32k.c, * coff-x86_64.c, * coff-z80.c, * coff-z8k.c, * coff64-rs6000.c, * config.bfd, * configure.com, * configure.in, * demo64.c, * elf-m10200.c, * elf-m10300.c, * elf32-am33lin.c, * elf32-arc.c, * elf32-arm.c, * elf32-avr.c, * elf32-bfin.c, * elf32-cr16.c, * elf32-cr16c.c, * elf32-cris.c, * elf32-crx.c, * elf32-d10v.c, * elf32-d30v.c, * elf32-dlx.c, * elf32-epiphany.c, * elf32-fr30.c, * elf32-frv.c, * elf32-gen.c, * elf32-h8300.c, * elf32-hppa.c, * elf32-i370.c, * elf32-i386.c, * elf32-i860.c, * elf32-i960.c, * elf32-ip2k.c, * elf32-iq2000.c, * elf32-lm32.c, * elf32-m32c.c, * elf32-m32r.c, * elf32-m68hc11.c, * elf32-m68hc12.c, * elf32-m68k.c, * elf32-m88k.c, * elf32-mcore.c, * elf32-mep.c, * elf32-metag.c, * elf32-microblaze.c, * elf32-mips.c, * elf32-moxie.c, * elf32-msp430.c, * elf32-mt.c, * elf32-nds32.c, * elf32-nios2.c, * elf32-or1k.c, * elf32-pj.c, * elf32-ppc.c, * elf32-rl78.c, * elf32-rx.c, * elf32-s390.c, * elf32-score.c, * elf32-sh-symbian.c, * elf32-sh.c, * elf32-sh64.c, * elf32-sparc.c, * elf32-spu.c, * elf32-tic6x.c, * elf32-tilegx.c, * elf32-tilepro.c, * elf32-v850.c, * elf32-vax.c, * elf32-xc16x.c, * elf32-xgate.c, * elf32-xstormy16.c, * elf32-xtensa.c, * elf64-alpha.c, * elf64-gen.c, * elf64-hppa.c, * elf64-ia64-vms.c, * elf64-mips.c, * elf64-mmix.c, * elf64-ppc.c, * elf64-s390.c, * elf64-sh64.c, * elf64-sparc.c, * elf64-tilegx.c, * elf64-x86-64.c, * elfn32-mips.c, * elfnn-aarch64.c, * elfnn-ia64.c, * epoc-pe-arm.c, * epoc-pei-arm.c, * hp300bsd.c, * hp300hpux.c, * hppabsd-core.c, * hpux-core.c, * i386aout.c, * i386bsd.c, * i386dynix.c, * i386freebsd.c, * i386linux.c, * i386lynx.c, * i386mach3.c, * i386msdos.c, * i386netbsd.c, * i386os9k.c, * irix-core.c, * m68k4knetbsd.c, * m68klinux.c, * m68knetbsd.c, * m88kmach3.c, * m88kopenbsd.c, * mach-o-i386.c, * mach-o-x86-64.c, * makefile.vms, * mipsbsd.c, * mmo.c, * netbsd-core.c, * newsos3.c, * nlm32-alpha.c, * nlm32-i386.c, * nlm32-ppc.c, * nlm32-sparc.c, * ns32knetbsd.c, * osf-core.c, * pc532-mach.c, * pe-arm-wince.c, * pe-arm.c, * pe-i386.c, * pe-mcore.c, * pe-mips.c, * pe-ppc.c, * pe-sh.c, * pe-x86_64.c, * pei-arm-wince.c, * pei-arm.c, * pei-i386.c, * pei-ia64.c, * pei-mcore.c, * pei-mips.c, * pei-ppc.c, * pei-sh.c, * pei-x86_64.c, * ppcboot.c, * ptrace-core.c, * riscix.c, * sco5-core.c, * som.c, * sparclinux.c, * sparclynx.c, * sparcnetbsd.c, * sunos.c, * targets.c, * trad-core.c, * vax1knetbsd.c, * vaxbsd.c, * vaxnetbsd.c, * versados.c, * vms-alpha.c, * vms-lib.c: Rename bfd targets to <cpu>_<format>_<other>_<endian>_vec. Adjust associated MY macros on aout targets. * configure: Regenerate. binutils/ * emul_aix.c: Update bfd target vector naming. * testsuite/binutils-all/objcopy.exp: Likewise. ld/ * emultempl/metagelf.em: Update bfd target vector naming. * emultempl/nios2elf.em: Likewise. * emultempl/spuelf.em: Likewise. * emultempl/tic6xdsbt.em: Likewise.
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CREATE_BIG_COFF_TARGET_VEC (we32k_coff_vec, "coff-we32k", 0, 0, 0, NULL, COFF_SWAP_TABLE)