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07d6d2b834
binutils-gdb/bfd/coff-z8k.c
Alan Modra 07d6d2b834 BFD whitespace fixes 
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.
2017-12-06 17:51:43 +10:30

376 lines
10 KiB
C
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/* BFD back-end for Zilog Z800n COFF binaries.
Copyright (C) 1992-2017 Free Software Foundation, Inc.
Contributed by Cygnus Support.
Written by Steve Chamberlain, <sac@cygnus.com>.
This file is part of BFD, the Binary File Descriptor library.
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.
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.
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. */
#include "sysdep.h"
#include "bfd.h"
#include "libbfd.h"
#include "bfdlink.h"
#include "coff/z8k.h"
#include "coff/internal.h"
#include "libcoff.h"
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (1)
static reloc_howto_type r_imm32 =
HOWTO (R_IMM32, 0, 2, 32, FALSE, 0,
complain_overflow_bitfield, 0, "r_imm32", TRUE, 0xffffffff,
0xffffffff, FALSE);
static reloc_howto_type r_imm4l =
HOWTO (R_IMM4L, 0, 0, 4, FALSE, 0,
complain_overflow_bitfield, 0, "r_imm4l", TRUE, 0xf, 0xf, FALSE);
static reloc_howto_type r_da =
HOWTO (R_IMM16, 0, 1, 16, FALSE, 0,
complain_overflow_bitfield, 0, "r_da", TRUE, 0x0000ffff, 0x0000ffff,
FALSE);
static reloc_howto_type r_imm8 =
HOWTO (R_IMM8, 0, 0, 8, FALSE, 0,
complain_overflow_bitfield, 0, "r_imm8", TRUE, 0x000000ff, 0x000000ff,
FALSE);
static reloc_howto_type r_rel16 =
HOWTO (R_REL16, 0, 1, 16, FALSE, 0,
complain_overflow_bitfield, 0, "r_rel16", TRUE, 0x0000ffff, 0x0000ffff,
TRUE);
static reloc_howto_type r_jr =
HOWTO (R_JR, 1, 0, 8, TRUE, 0, complain_overflow_signed, 0,
"r_jr", TRUE, 0xff, 0xff, TRUE);
static reloc_howto_type r_disp7 =
HOWTO (R_DISP7, 0, 0, 7, TRUE, 0, complain_overflow_bitfield, 0,
"r_disp7", TRUE, 0x7f, 0x7f, TRUE);
static reloc_howto_type r_callr =
HOWTO (R_CALLR, 1, 1, 12, TRUE, 0, complain_overflow_signed, 0,
"r_callr", TRUE, 0xfff, 0xfff, TRUE);
#define BADMAG(x) Z8KBADMAG(x)
#define Z8K 1 /* Customize coffcode.h. */
#define __A_MAGIC_SET__
/* Code to swap in the reloc. */
#define SWAP_IN_RELOC_OFFSET H_GET_32
#define SWAP_OUT_RELOC_OFFSET H_PUT_32
#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
dst->r_stuff[0] = 'S'; \
dst->r_stuff[1] = 'C';
/* Code to turn a r_type into a howto ptr, uses the above howto table. */
static void
rtype2howto (arelent *internal, struct internal_reloc *dst)
{
switch (dst->r_type)
{
default:
internal->howto = NULL;
break;
case R_IMM8:
internal->howto = &r_imm8;
break;
case R_IMM16:
internal->howto = &r_da;
break;
case R_JR:
internal->howto = &r_jr;
break;
case R_DISP7:
internal->howto = &r_disp7;
break;
case R_CALLR:
internal->howto = &r_callr;
break;
case R_REL16:
internal->howto = &r_rel16;
break;
case R_IMM32:
internal->howto = &r_imm32;
break;
case R_IMM4L:
internal->howto = &r_imm4l;
break;
}
}
#define RTYPE2HOWTO(internal, relocentry) rtype2howto (internal, relocentry)
static reloc_howto_type *
coff_z8k_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
bfd_reloc_code_real_type code)
{
switch (code)
{
case BFD_RELOC_8: return & r_imm8;
case BFD_RELOC_16: return & r_da;
case BFD_RELOC_32: return & r_imm32;
case BFD_RELOC_8_PCREL: return & r_jr;
case BFD_RELOC_16_PCREL: return & r_rel16;
case BFD_RELOC_Z8K_DISP7: return & r_disp7;
case BFD_RELOC_Z8K_CALLR: return & r_callr;
case BFD_RELOC_Z8K_IMM4L: return & r_imm4l;
default: BFD_FAIL ();
return 0;
}
}
static reloc_howto_type *
coff_z8k_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
const char *r_name)
{
if (strcasecmp (r_imm8.name, r_name) == 0)
return &r_imm8;
if (strcasecmp (r_da.name, r_name) == 0)
return &r_da;
if (strcasecmp (r_imm32.name, r_name) == 0)
return &r_imm32;
if (strcasecmp (r_jr.name, r_name) == 0)
return &r_jr;
if (strcasecmp (r_rel16.name, r_name) == 0)
return &r_rel16;
if (strcasecmp (r_disp7.name, r_name) == 0)
return &r_disp7;
if (strcasecmp (r_callr.name, r_name) == 0)
return &r_callr;
if (strcasecmp (r_imm4l.name, r_name) == 0)
return &r_imm4l;
return NULL;
}
/* Perform any necessary magic to the addend in a reloc entry. */
#define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \
cache_ptr->addend = ext_reloc.r_offset;
#define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \
reloc_processing(relent, reloc, symbols, abfd, section)
static void
reloc_processing (arelent *relent,
struct internal_reloc *reloc,
asymbol **symbols,
bfd *abfd,
asection *section)
{
relent->address = reloc->r_vaddr;
rtype2howto (relent, reloc);
if (reloc->r_symndx > 0)
relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
else
relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
relent->addend = reloc->r_offset;
relent->address -= section->vma;
}
static void
extra_case (bfd *in_abfd,
struct bfd_link_info *link_info,
struct bfd_link_order *link_order,
arelent *reloc,
bfd_byte *data,
unsigned int *src_ptr,
unsigned int *dst_ptr)
{
asection * input_section = link_order->u.indirect.section;
switch (reloc->howto->type)
{
case R_IMM8:
bfd_put_8 (in_abfd,
bfd_coff_reloc16_get_value (reloc, link_info, input_section),
data + *dst_ptr);
(*dst_ptr) += 1;
(*src_ptr) += 1;
break;
case R_IMM32:
/* If no flags are set, assume immediate value. */
if (! (*reloc->sym_ptr_ptr)->section->flags)
{
bfd_put_32 (in_abfd,
bfd_coff_reloc16_get_value (reloc, link_info,
input_section),
data + *dst_ptr);
}
else
{
bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
input_section);
/* Addresses are 23 bit, and the layout of those in a 32-bit
value is as follows:
1AAAAAAA xxxxxxxx AAAAAAAA AAAAAAAA
(A - address bits, x - ignore). */
dst = (dst & 0xffff) | ((dst & 0xff0000) << 8) | 0x80000000;
bfd_put_32 (in_abfd, dst, data + *dst_ptr);
}
(*dst_ptr) += 4;
(*src_ptr) += 4;
break;
case R_IMM4L:
bfd_put_8 (in_abfd,
((bfd_get_8 (in_abfd, data + *dst_ptr) & 0xf0)
| (0x0f
& bfd_coff_reloc16_get_value (reloc, link_info,
input_section))),
data + *dst_ptr);
(*dst_ptr) += 1;
(*src_ptr) += 1;
break;
case R_IMM16:
bfd_put_16 (in_abfd,
bfd_coff_reloc16_get_value (reloc, link_info, input_section),
data + *dst_ptr);
(*dst_ptr) += 2;
(*src_ptr) += 2;
break;
case R_JR:
{
bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
input_section);
bfd_vma dot = (*dst_ptr
+ input_section->output_offset
+ input_section->output_section->vma);
int gap = dst - dot - 1; /* -1, since we're in the odd byte of the
word and the pc's been incremented. */
if (gap & 1)
abort ();
gap /= 2;
if (gap > 127 || gap < -128)
(*link_info->callbacks->reloc_overflow)
(link_info, NULL, bfd_asymbol_name (*reloc->sym_ptr_ptr),
reloc->howto->name, reloc->addend, input_section->owner,
input_section, reloc->address);
bfd_put_8 (in_abfd, gap, data + *dst_ptr);
(*dst_ptr)++;
(*src_ptr)++;
break;
}
case R_DISP7:
{
bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
input_section);
bfd_vma dot = (*dst_ptr
+ input_section->output_offset
+ input_section->output_section->vma);
int gap = dst - dot - 1; /* -1, since we're in the odd byte of the
word and the pc's been incremented. */
if (gap & 1)
abort ();
gap /= 2;
if (gap > 0 || gap < -127)
(*link_info->callbacks->reloc_overflow)
(link_info, NULL, bfd_asymbol_name (*reloc->sym_ptr_ptr),
reloc->howto->name, reloc->addend, input_section->owner,
input_section, reloc->address);
bfd_put_8 (in_abfd,
(bfd_get_8 ( in_abfd, data + *dst_ptr) & 0x80) + (-gap & 0x7f),
data + *dst_ptr);
(*dst_ptr)++;
(*src_ptr)++;
break;
}
case R_CALLR:
{
bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
input_section);
bfd_vma dot = (*dst_ptr
+ input_section->output_offset
+ input_section->output_section->vma);
int gap = dst - dot - 2;
if (gap & 1)
abort ();
if (gap > 4096 || gap < -4095)
(*link_info->callbacks->reloc_overflow)
(link_info, NULL, bfd_asymbol_name (*reloc->sym_ptr_ptr),
reloc->howto->name, reloc->addend, input_section->owner,
input_section, reloc->address);
gap /= 2;
bfd_put_16 (in_abfd,
(bfd_get_16 ( in_abfd, data + *dst_ptr) & 0xf000) | (-gap & 0x0fff),
data + *dst_ptr);
(*dst_ptr) += 2;
(*src_ptr) += 2;
break;
}
case R_REL16:
{
bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
input_section);
bfd_vma dot = (*dst_ptr
+ input_section->output_offset
+ input_section->output_section->vma);
int gap = dst - dot - 2;
if (gap > 32767 || gap < -32768)
(*link_info->callbacks->reloc_overflow)
(link_info, NULL, bfd_asymbol_name (*reloc->sym_ptr_ptr),
reloc->howto->name, reloc->addend, input_section->owner,
input_section, reloc->address);
bfd_put_16 (in_abfd, (bfd_vma) gap, data + *dst_ptr);
(*dst_ptr) += 2;
(*src_ptr) += 2;
break;
}
default:
abort ();
}
}
#define coff_reloc16_extra_cases extra_case
#define coff_bfd_reloc_type_lookup coff_z8k_reloc_type_lookup
#define coff_bfd_reloc_name_lookup coff_z8k_reloc_name_lookup
#ifndef bfd_pe_print_pdata
#define bfd_pe_print_pdata NULL
#endif
#include "coffcode.h"
#undef coff_bfd_get_relocated_section_contents
#define coff_bfd_get_relocated_section_contents \
bfd_coff_reloc16_get_relocated_section_contents
#undef coff_bfd_relax_section
#define coff_bfd_relax_section bfd_coff_reloc16_relax_section
CREATE_BIG_COFF_TARGET_VEC (z8k_coff_vec, "coff-z8k", 0, 0, '_', NULL, COFF_SWAP_TABLE)
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