mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-03 04:12:10 +08:00
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.
284 lines
7.8 KiB
C
284 lines
7.8 KiB
C
/* BFD back-end for Zilog Z80 COFF binaries.
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Copyright (C) 2005-2017 Free Software Foundation, Inc.
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Contributed by Arnold Metselaar <arnold_m@operamail.com>
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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 "bfd.h"
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#include "libbfd.h"
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#include "bfdlink.h"
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#include "coff/z80.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 0
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static reloc_howto_type r_imm32 =
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HOWTO (R_IMM32, 0, 2, 32, FALSE, 0,
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complain_overflow_dont, 0, "r_imm32", TRUE, 0xffffffff, 0xffffffff,
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FALSE);
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static reloc_howto_type r_imm24 =
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HOWTO (R_IMM24, 0, 1, 24, FALSE, 0,
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complain_overflow_dont, 0, "r_imm24", TRUE, 0x00ffffff, 0x00ffffff,
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FALSE);
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static reloc_howto_type r_imm16 =
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HOWTO (R_IMM16, 0, 1, 16, FALSE, 0,
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complain_overflow_dont, 0, "r_imm16", TRUE, 0x0000ffff, 0x0000ffff,
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FALSE);
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static reloc_howto_type r_imm8 =
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HOWTO (R_IMM8, 0, 0, 8, FALSE, 0,
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complain_overflow_bitfield, 0, "r_imm8", TRUE, 0x000000ff, 0x000000ff,
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FALSE);
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static reloc_howto_type r_jr =
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HOWTO (R_JR, 0, 0, 8, TRUE, 0,
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complain_overflow_signed, 0, "r_jr", FALSE, 0, 0xFF,
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FALSE);
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static reloc_howto_type r_off8 =
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HOWTO (R_OFF8, 0, 0, 8, FALSE, 0,
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complain_overflow_signed, 0,"r_off8", FALSE, 0, 0xff,
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FALSE);
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#define BADMAG(x) Z80BADMAG(x)
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#define Z80 1 /* Customize coffcode.h. */
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#define __A_MAGIC_SET__
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/* Code to swap in the reloc. */
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#define SWAP_IN_RELOC_OFFSET H_GET_32
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#define SWAP_OUT_RELOC_OFFSET H_PUT_32
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#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
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dst->r_stuff[0] = 'S'; \
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dst->r_stuff[1] = 'C';
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/* Code to turn a r_type into a howto ptr, uses the above howto table. */
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static void
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rtype2howto (arelent *internal, struct internal_reloc *dst)
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{
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switch (dst->r_type)
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{
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default:
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internal->howto = NULL;
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break;
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case R_IMM8:
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internal->howto = &r_imm8;
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break;
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case R_IMM16:
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internal->howto = &r_imm16;
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break;
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case R_IMM24:
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internal->howto = &r_imm24;
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break;
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case R_IMM32:
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internal->howto = &r_imm32;
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break;
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case R_JR:
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internal->howto = &r_jr;
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break;
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case R_OFF8:
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internal->howto = &r_off8;
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break;
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}
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}
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#define RTYPE2HOWTO(internal, relocentry) rtype2howto (internal, relocentry)
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static reloc_howto_type *
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coff_z80_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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switch (code)
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{
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case BFD_RELOC_8: return & r_imm8;
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case BFD_RELOC_16: return & r_imm16;
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case BFD_RELOC_24: return & r_imm24;
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case BFD_RELOC_32: return & r_imm32;
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case BFD_RELOC_8_PCREL: return & r_jr;
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case BFD_RELOC_Z80_DISP8: return & r_off8;
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default: BFD_FAIL ();
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return NULL;
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}
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}
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static reloc_howto_type *
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coff_z80_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
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const char *r_name)
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{
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if (strcasecmp (r_imm8.name, r_name) == 0)
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return &r_imm8;
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if (strcasecmp (r_imm16.name, r_name) == 0)
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return &r_imm16;
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if (strcasecmp (r_imm24.name, r_name) == 0)
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return &r_imm24;
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if (strcasecmp (r_imm32.name, r_name) == 0)
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return &r_imm32;
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if (strcasecmp (r_jr.name, r_name) == 0)
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return &r_jr;
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if (strcasecmp (r_off8.name, r_name) == 0)
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return &r_off8;
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return NULL;
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}
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/* Perform any necessary magic to the addend in a reloc entry. */
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#define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \
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cache_ptr->addend = ext_reloc.r_offset;
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#define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \
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reloc_processing(relent, reloc, symbols, abfd, section)
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static void
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reloc_processing (arelent *relent,
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struct internal_reloc *reloc,
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asymbol **symbols,
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bfd *abfd,
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asection *section)
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{
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relent->address = reloc->r_vaddr;
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rtype2howto (relent, reloc);
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if (reloc->r_symndx > 0)
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relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
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else
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relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
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relent->addend = reloc->r_offset;
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relent->address -= section->vma;
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}
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static void
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extra_case (bfd *in_abfd,
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struct bfd_link_info *link_info,
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struct bfd_link_order *link_order,
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arelent *reloc,
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bfd_byte *data,
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unsigned int *src_ptr,
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unsigned int *dst_ptr)
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{
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asection * input_section = link_order->u.indirect.section;
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int val;
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switch (reloc->howto->type)
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{
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case R_OFF8:
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val = bfd_coff_reloc16_get_value (reloc, link_info,
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input_section);
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if (val>127 || val<-128) /* Test for overflow. */
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(*link_info->callbacks->reloc_overflow)
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(link_info, NULL, bfd_asymbol_name (*reloc->sym_ptr_ptr),
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reloc->howto->name, reloc->addend, input_section->owner,
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input_section, reloc->address);
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bfd_put_8 (in_abfd, val, data + *dst_ptr);
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(*dst_ptr) += 1;
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(*src_ptr) += 1;
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break;
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case R_IMM8:
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val = bfd_get_8 ( in_abfd, data+*src_ptr)
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+ bfd_coff_reloc16_get_value (reloc, link_info, input_section);
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bfd_put_8 (in_abfd, val, data + *dst_ptr);
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(*dst_ptr) += 1;
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(*src_ptr) += 1;
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break;
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case R_IMM16:
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val = bfd_get_16 ( in_abfd, data+*src_ptr)
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+ bfd_coff_reloc16_get_value (reloc, link_info, input_section);
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bfd_put_16 (in_abfd, val, data + *dst_ptr);
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(*dst_ptr) += 2;
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(*src_ptr) += 2;
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break;
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case R_IMM24:
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val = bfd_get_16 ( in_abfd, data+*src_ptr)
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+ (bfd_get_8 ( in_abfd, data+*src_ptr+2) << 16)
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+ bfd_coff_reloc16_get_value (reloc, link_info, input_section);
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bfd_put_16 (in_abfd, val, data + *dst_ptr);
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bfd_put_8 (in_abfd, val >> 16, data + *dst_ptr+2);
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(*dst_ptr) += 3;
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(*src_ptr) += 3;
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break;
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case R_IMM32:
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val = bfd_get_32 ( in_abfd, data+*src_ptr)
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+ bfd_coff_reloc16_get_value (reloc, link_info, input_section);
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bfd_put_32 (in_abfd, val, data + *dst_ptr);
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(*dst_ptr) += 4;
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(*src_ptr) += 4;
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break;
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case R_JR:
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{
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bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
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input_section);
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bfd_vma dot = (*dst_ptr
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+ input_section->output_offset
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+ input_section->output_section->vma);
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int gap = dst - dot - 1; /* -1, Since the offset is relative
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to the value of PC after reading
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the offset. */
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if (gap >= 128 || gap < -128)
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(*link_info->callbacks->reloc_overflow)
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(link_info, NULL, bfd_asymbol_name (*reloc->sym_ptr_ptr),
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reloc->howto->name, reloc->addend, input_section->owner,
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input_section, reloc->address);
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bfd_put_8 (in_abfd, gap, data + *dst_ptr);
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(*dst_ptr)++;
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(*src_ptr)++;
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break;
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}
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default:
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abort ();
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}
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}
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#define coff_reloc16_extra_cases extra_case
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#define coff_bfd_reloc_type_lookup coff_z80_reloc_type_lookup
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#define coff_bfd_reloc_name_lookup coff_z80_reloc_name_lookup
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#ifndef bfd_pe_print_pdata
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#define bfd_pe_print_pdata NULL
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#endif
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#include "coffcode.h"
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#undef coff_bfd_get_relocated_section_contents
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#define coff_bfd_get_relocated_section_contents \
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bfd_coff_reloc16_get_relocated_section_contents
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#undef coff_bfd_relax_section
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#define coff_bfd_relax_section bfd_coff_reloc16_relax_section
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CREATE_LITTLE_COFF_TARGET_VEC (z80_coff_vec, "coff-z80", 0,
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SEC_CODE | SEC_DATA, '\0', NULL,
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COFF_SWAP_TABLE)
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