mirror of
https://sourceware.org/git/binutils-gdb.git
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07d6d2b834
Binutils is supposed to use tabs. In my git config I have whitespace = indent-with-non-tab,space-before-tab,trailing-space and I got annoyed enough seeing red in "git diff" output to fix the problems. * doc/header.sed: Trim trailing space when splitting lines. * aix386-core.c, * aout-adobe.c, * aout-arm.c, * aout-cris.c, * aout-ns32k.c, * aout-target.h, * aout-tic30.c, * aoutf1.h, * aoutx.h, * arc-got.h, * arc-plt.def, * arc-plt.h, * archive.c, * archive64.c, * archures.c, * armnetbsd.c, * bfd-in.h, * bfd.c, * bfdio.c, * binary.c, * bout.c, * cache.c, * cisco-core.c, * coff-alpha.c, * coff-apollo.c, * coff-arm.c, * coff-h8300.c, * coff-i386.c, * coff-i860.c, * coff-i960.c, * coff-m68k.c, * coff-m88k.c, * coff-mcore.c, * coff-mips.c, * coff-ppc.c, * coff-rs6000.c, * coff-sh.c, * coff-stgo32.c, * coff-tic4x.c, * coff-tic54x.c, * coff-tic80.c, * coff-we32k.c, * coff-x86_64.c, * coff-z80.c, * coff-z8k.c, * coff64-rs6000.c, * coffcode.h, * coffgen.c, * cofflink.c, * coffswap.h, * compress.c, * corefile.c, * cpu-alpha.c, * cpu-arm.c, * cpu-avr.c, * cpu-bfin.c, * cpu-cr16.c, * cpu-cr16c.c, * cpu-crx.c, * cpu-d10v.c, * cpu-frv.c, * cpu-ft32.c, * cpu-i370.c, * cpu-i960.c, * cpu-ia64-opc.c, * cpu-ip2k.c, * cpu-lm32.c, * cpu-m32r.c, * cpu-mcore.c, * cpu-microblaze.c, * cpu-mips.c, * cpu-moxie.c, * cpu-mt.c, * cpu-nios2.c, * cpu-ns32k.c, * cpu-or1k.c, * cpu-powerpc.c, * cpu-pru.c, * cpu-sh.c, * cpu-spu.c, * cpu-v850.c, * cpu-v850_rh850.c, * cpu-xgate.c, * cpu-z80.c, * dwarf1.c, * dwarf2.c, * ecoff.c, * ecofflink.c, * ecoffswap.h, * elf-bfd.h, * elf-eh-frame.c, * elf-hppa.h, * elf-m10200.c, * elf-m10300.c, * elf-s390-common.c, * elf-strtab.c, * elf-vxworks.c, * elf.c, * elf32-am33lin.c, * elf32-arc.c, * elf32-arm.c, * elf32-avr.c, * elf32-avr.h, * 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-ft32.c, * elf32-h8300.c, * elf32-hppa.c, * elf32-i386.c, * elf32-i860.c, * elf32-i960.c, * elf32-ip2k.c, * elf32-lm32.c, * elf32-m32c.c, * elf32-m32r.c, * elf32-m68hc11.c, * elf32-m68hc12.c, * elf32-m68hc1x.c, * elf32-m68hc1x.h, * 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-nds32.h, * elf32-nios2.c, * elf32-or1k.c, * elf32-pj.c, * elf32-ppc.c, * elf32-ppc.h, * elf32-pru.c, * elf32-rl78.c, * elf32-rx.c, * elf32-s390.c, * elf32-score.c, * elf32-score.h, * elf32-score7.c, * elf32-sh-symbian.c, * elf32-sh.c, * elf32-sh64.c, * elf32-sparc.c, * elf32-spu.c, * elf32-tic6x.c, * elf32-tilegx.c, * elf32-tilegx.h, * elf32-tilepro.c, * elf32-tilepro.h, * elf32-v850.c, * elf32-vax.c, * elf32-wasm32.c, * elf32-xc16x.c, * elf32-xgate.c, * elf32-xgate.h, * elf32-xstormy16.c, * elf32-xtensa.c, * elf64-alpha.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-tilegx.h, * elf64-x86-64.c, * elfcore.h, * elflink.c, * elfn32-mips.c, * elfnn-aarch64.c, * elfnn-ia64.c, * elfnn-riscv.c, * elfxx-aarch64.c, * elfxx-aarch64.h, * elfxx-ia64.c, * elfxx-ia64.h, * elfxx-mips.c, * elfxx-riscv.c, * elfxx-sparc.c, * elfxx-tilegx.c, * elfxx-x86.c, * elfxx-x86.h, * freebsd.h, * hash.c, * host-aout.c, * hp300hpux.c, * hppabsd-core.c, * hpux-core.c, * i386aout.c, * i386linux.c, * i386lynx.c, * i386mach3.c, * i386msdos.c, * i386netbsd.c, * ieee.c, * ihex.c, * irix-core.c, * libaout.h, * libbfd-in.h, * libbfd.c, * libcoff-in.h, * libnlm.h, * libpei.h, * libxcoff.h, * linker.c, * lynx-core.c, * m68k4knetbsd.c, * m68klinux.c, * m68knetbsd.c, * m88kmach3.c, * mach-o-aarch64.c, * mach-o-arm.c, * mach-o-i386.c, * mach-o-target.c, * mach-o-x86-64.c, * mach-o.c, * mach-o.h, * merge.c, * mipsbsd.c, * mmo.c, * netbsd.h, * netbsd-core.c, * newsos3.c, * nlm-target.h, * nlm32-ppc.c, * nlm32-sparc.c, * nlmcode.h, * ns32k.h, * ns32knetbsd.c, * oasys.c, * opncls.c, * pc532-mach.c, * pdp11.c, * pe-arm.c, * pe-i386.c, * pe-mcore.c, * pe-mips.c, * pe-x86_64.c, * peXXigen.c, * pef.c, * pef.h, * pei-arm.c, * pei-i386.c, * pei-mcore.c, * pei-x86_64.c, * peicode.h, * plugin.c, * ppcboot.c, * ptrace-core.c, * reloc.c, * riscix.c, * rs6000-core.c, * section.c, * som.c, * som.h, * sparclinux.c, * sparcnetbsd.c, * srec.c, * stabs.c, * sunos.c, * syms.c, * targets.c, * tekhex.c, * trad-core.c, * vax1knetbsd.c, * vaxnetbsd.c, * verilog.c, * versados.c, * vms-alpha.c, * vms-lib.c, * vms-misc.c, * wasm-module.c, * wasm-module.h, * xcofflink.c, * xsym.c, * xsym.h: Whitespace fixes. * bfd-in2.h, * libbfd.h, * libcoff.h: Regenerate.
339 lines
9.1 KiB
C
339 lines
9.1 KiB
C
/* ARM Mach-O support for BFD.
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Copyright (C) 2015-2017 Free Software Foundation, Inc.
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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 3 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,
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MA 02110-1301, USA. */
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#include "sysdep.h"
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#include "mach-o.h"
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#include "bfd.h"
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#include "libbfd.h"
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#include "libiberty.h"
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#include "mach-o/arm.h"
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#define bfd_mach_o_object_p bfd_mach_o_arm_object_p
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#define bfd_mach_o_core_p bfd_mach_o_arm_core_p
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#define bfd_mach_o_mkobject bfd_mach_o_arm_mkobject
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#define bfd_mach_o_canonicalize_one_reloc bfd_mach_o_arm_canonicalize_one_reloc
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#define bfd_mach_o_swap_reloc_out NULL
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#define bfd_mach_o_bfd_reloc_type_lookup bfd_mach_o_arm_bfd_reloc_type_lookup
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#define bfd_mach_o_bfd_reloc_name_lookup bfd_mach_o_arm_bfd_reloc_name_lookup
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#define bfd_mach_o_print_thread NULL
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#define bfd_mach_o_tgt_seg_table NULL
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#define bfd_mach_o_section_type_valid_for_tgt NULL
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static const bfd_target *
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bfd_mach_o_arm_object_p (bfd *abfd)
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{
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return bfd_mach_o_header_p (abfd, 0, 0, BFD_MACH_O_CPU_TYPE_ARM);
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}
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static const bfd_target *
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bfd_mach_o_arm_core_p (bfd *abfd)
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{
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return bfd_mach_o_header_p (abfd, 0,
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BFD_MACH_O_MH_CORE, BFD_MACH_O_CPU_TYPE_ARM);
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}
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static bfd_boolean
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bfd_mach_o_arm_mkobject (bfd *abfd)
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{
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bfd_mach_o_data_struct *mdata;
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if (!bfd_mach_o_mkobject_init (abfd))
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return FALSE;
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mdata = bfd_mach_o_get_data (abfd);
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mdata->header.magic = BFD_MACH_O_MH_MAGIC;
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mdata->header.cputype = BFD_MACH_O_CPU_TYPE_ARM;
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mdata->header.cpusubtype = BFD_MACH_O_CPU_SUBTYPE_ARM_ALL;
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mdata->header.byteorder = BFD_ENDIAN_LITTLE;
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mdata->header.version = 1;
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return TRUE;
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}
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static reloc_howto_type arm_howto_table[]=
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{
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/* 0 */
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HOWTO (BFD_RELOC_32, 0, 2, 32, FALSE, 0,
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complain_overflow_bitfield,
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NULL, "32",
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FALSE, 0xffffffff, 0xffffffff, FALSE),
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HOWTO (BFD_RELOC_16, 0, 1, 16, FALSE, 0,
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complain_overflow_bitfield,
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NULL, "16",
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FALSE, 0xffff, 0xffff, FALSE),
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HOWTO (BFD_RELOC_8, 0, 0, 8, FALSE, 0,
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complain_overflow_bitfield,
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NULL, "8",
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FALSE, 0xff, 0xff, FALSE),
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HOWTO (BFD_RELOC_32_PCREL, 0, 2, 32, TRUE, 0,
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complain_overflow_bitfield,
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NULL, "DISP32",
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FALSE, 0xffffffff, 0xffffffff, TRUE),
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/* 4 */
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HOWTO (BFD_RELOC_16_PCREL, 0, 1, 16, TRUE, 0,
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complain_overflow_bitfield,
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NULL, "DISP16",
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FALSE, 0xffff, 0xffff, TRUE),
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HOWTO (BFD_RELOC_MACH_O_SECTDIFF, 0, 2, 32, FALSE, 0,
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complain_overflow_bitfield,
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NULL, "SECTDIFF_32",
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FALSE, 0xffffffff, 0xffffffff, FALSE),
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HOWTO (BFD_RELOC_MACH_O_LOCAL_SECTDIFF, 0, 2, 32, FALSE, 0,
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complain_overflow_bitfield,
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NULL, "LSECTDIFF_32",
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FALSE, 0xffffffff, 0xffffffff, FALSE),
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HOWTO (BFD_RELOC_MACH_O_PAIR, 0, 2, 32, FALSE, 0,
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complain_overflow_bitfield,
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NULL, "PAIR_32",
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FALSE, 0xffffffff, 0xffffffff, FALSE),
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/* 8 */
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HOWTO (BFD_RELOC_MACH_O_SECTDIFF, 0, 1, 16, FALSE, 0,
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complain_overflow_bitfield,
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NULL, "SECTDIFF_16",
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FALSE, 0xffff, 0xffff, FALSE),
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HOWTO (BFD_RELOC_MACH_O_LOCAL_SECTDIFF, 0, 1, 16, FALSE, 0,
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complain_overflow_bitfield,
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NULL, "LSECTDIFF_16",
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FALSE, 0xffff, 0xffff, FALSE),
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HOWTO (BFD_RELOC_MACH_O_PAIR, 0, 1, 16, FALSE, 0,
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complain_overflow_bitfield,
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NULL, "PAIR_16",
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FALSE, 0xffff, 0xffff, FALSE),
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HOWTO (BFD_RELOC_ARM_PCREL_CALL, 2, 2, 24, TRUE, 0,
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complain_overflow_signed,
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NULL, "BR24",
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FALSE, 0x00ffffff, 0x00ffffff, TRUE),
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/* 12 */
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HOWTO (BFD_RELOC_ARM_MOVW, 0, 2, 16, FALSE, 0,
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complain_overflow_dont,
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NULL, "MOVW",
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FALSE, 0x000f0fff, 0x000f0fff, FALSE),
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HOWTO (BFD_RELOC_MACH_O_PAIR, 0, 2, 16, FALSE, 0,
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complain_overflow_bitfield,
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NULL, "PAIR_W",
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FALSE, 0x000f0fff, 0x000f0fff, FALSE),
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HOWTO (BFD_RELOC_ARM_MOVT, 0, 2, 16, FALSE, 0,
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complain_overflow_bitfield,
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NULL, "MOVT",
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FALSE, 0x000f0fff, 0x000f0fff, FALSE),
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HOWTO (BFD_RELOC_MACH_O_PAIR, 0, 2, 16, FALSE, 0,
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complain_overflow_bitfield,
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NULL, "PAIR_T",
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FALSE, 0x000f0fff, 0x000f0fff, FALSE),
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/* 16 */
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HOWTO (BFD_RELOC_THUMB_PCREL_BLX, 2, 2, 24, TRUE, 0,
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complain_overflow_signed,
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NULL, "TBR22",
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FALSE, 0x07ff2fff, 0x07ff2fff, TRUE)
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};
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static bfd_boolean
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bfd_mach_o_arm_canonicalize_one_reloc (bfd * abfd,
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struct mach_o_reloc_info_external * raw,
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arelent * res,
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asymbol ** syms,
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arelent * res_base)
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{
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bfd_mach_o_reloc_info reloc;
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if (!bfd_mach_o_pre_canonicalize_one_reloc (abfd, raw, &reloc, res, syms))
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return FALSE;
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if (reloc.r_scattered)
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{
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switch (reloc.r_type)
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{
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case BFD_MACH_O_ARM_RELOC_PAIR:
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/* PR 21813: Check for a corrupt PAIR reloc at the start. */
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if (res == res_base)
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return FALSE;
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if (reloc.r_length == 2)
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{
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res->howto = &arm_howto_table[7];
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res->address = res[-1].address;
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return TRUE;
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}
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else if (reloc.r_length == 1)
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{
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res->howto = &arm_howto_table[10];
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res->address = res[-1].address;
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return TRUE;
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}
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return FALSE;
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case BFD_MACH_O_ARM_RELOC_SECTDIFF:
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if (reloc.r_length == 2)
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{
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res->howto = &arm_howto_table[5];
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return TRUE;
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}
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else if (reloc.r_length == 1)
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{
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res->howto = &arm_howto_table[8];
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return TRUE;
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}
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return FALSE;
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case BFD_MACH_O_ARM_RELOC_LOCAL_SECTDIFF:
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if (reloc.r_length == 2)
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{
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res->howto = &arm_howto_table[6];
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return TRUE;
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}
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else if (reloc.r_length == 1)
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{
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res->howto = &arm_howto_table[9];
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return TRUE;
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}
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return FALSE;
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case BFD_MACH_O_ARM_RELOC_HALF_SECTDIFF:
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switch (reloc.r_length)
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{
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case 2: /* :lower16: for movw arm. */
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res->howto = &arm_howto_table[12];
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return TRUE;
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case 3: /* :upper16: for movt arm. */
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res->howto = &arm_howto_table[14];
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return TRUE;
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}
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return FALSE;
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default:
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break;
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}
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}
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else
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{
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switch (reloc.r_type)
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{
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case BFD_MACH_O_ARM_RELOC_VANILLA:
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switch ((reloc.r_length << 1) | reloc.r_pcrel)
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{
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case 0: /* len = 0, pcrel = 0 */
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res->howto = &arm_howto_table[2];
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return TRUE;
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case 2: /* len = 1, pcrel = 0 */
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res->howto = &arm_howto_table[1];
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return TRUE;
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case 3: /* len = 1, pcrel = 1 */
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res->howto = &arm_howto_table[4];
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return TRUE;
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case 4: /* len = 2, pcrel = 0 */
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res->howto = &arm_howto_table[0];
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return TRUE;
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case 5: /* len = 2, pcrel = 1 */
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res->howto = &arm_howto_table[3];
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return TRUE;
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default:
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return FALSE;
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}
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break;
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case BFD_MACH_O_ARM_RELOC_BR24:
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if (reloc.r_length == 2 && reloc.r_pcrel == 1)
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{
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res->howto = &arm_howto_table[11];
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return TRUE;
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}
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break;
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case BFD_MACH_O_THUMB_RELOC_BR22:
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if (reloc.r_length == 2 && reloc.r_pcrel == 1)
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{
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res->howto = &arm_howto_table[16];
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return TRUE;
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}
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break;
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case BFD_MACH_O_ARM_RELOC_HALF:
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if (reloc.r_pcrel == 0)
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switch (reloc.r_length)
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{
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case 0: /* :lower16: for movw arm. */
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res->howto = &arm_howto_table[12];
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return TRUE;
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case 1: /* :upper16: for movt arm. */
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res->howto = &arm_howto_table[14];
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return TRUE;
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}
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break;
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case BFD_MACH_O_ARM_RELOC_PAIR:
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if (res[-1].howto == &arm_howto_table[12]
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&& reloc.r_length == 0)
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{
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/* Pair for :lower16: of movw arm. */
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res->howto = &arm_howto_table[13];
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/* This reloc contains the other half in its r_address field. */
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res[-1].addend += (res->address & 0xffff) << 16;
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res->address = res[-1].address;
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return TRUE;
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}
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else if (res[-1].howto == &arm_howto_table[14]
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&& reloc.r_length == 1)
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{
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/* Pair for :upper16: of movt arm. */
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res->howto = &arm_howto_table[15];
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/* This reloc contains the other half in its r_address field. */
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res[-1].addend += res->address & 0xffff;
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res->address = res[-1].address;
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return TRUE;
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}
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break;
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default:
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break;
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}
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}
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return FALSE;
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}
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static reloc_howto_type *
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bfd_mach_o_arm_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
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bfd_reloc_code_real_type code)
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{
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unsigned int i;
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for (i = 0; i < sizeof (arm_howto_table) / sizeof (*arm_howto_table); i++)
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if (code == arm_howto_table[i].type)
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return &arm_howto_table[i];
|
|
return NULL;
|
|
}
|
|
|
|
static reloc_howto_type *
|
|
bfd_mach_o_arm_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
|
const char *name ATTRIBUTE_UNUSED)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
#define TARGET_NAME arm_mach_o_vec
|
|
#define TARGET_STRING "mach-o-arm"
|
|
#define TARGET_ARCHITECTURE bfd_arch_arm
|
|
#define TARGET_PAGESIZE 4096
|
|
#define TARGET_BIG_ENDIAN 0
|
|
#define TARGET_ARCHIVE 0
|
|
#define TARGET_PRIORITY 0
|
|
#include "mach-o-target.c"
|