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.
655 lines
18 KiB
C
655 lines
18 KiB
C
/* BFD back-end for Intel 960 COFF files.
|
|
Copyright (C) 1990-2017 Free Software Foundation, Inc.
|
|
Written by Cygnus Support.
|
|
|
|
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. */
|
|
|
|
#define I960 1
|
|
#define BADMAG(x) I960BADMAG(x)
|
|
|
|
#include "sysdep.h"
|
|
#include "bfd.h"
|
|
#include "libbfd.h"
|
|
#include "coff/i960.h"
|
|
#include "coff/internal.h"
|
|
|
|
#ifndef bfd_pe_print_pdata
|
|
#define bfd_pe_print_pdata NULL
|
|
#endif
|
|
|
|
#include "libcoff.h" /* To allow easier abstraction-breaking. */
|
|
|
|
|
|
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
|
|
#define COFF_ALIGN_IN_SECTION_HEADER 1
|
|
|
|
#define GET_SCNHDR_ALIGN H_GET_32
|
|
#define PUT_SCNHDR_ALIGN H_PUT_32
|
|
|
|
/* The i960 does not support an MMU, so COFF_PAGE_SIZE can be
|
|
arbitrarily small. */
|
|
#define COFF_PAGE_SIZE 1
|
|
|
|
#define COFF_LONG_FILENAMES
|
|
|
|
/* This set of local label names is taken from gas. */
|
|
|
|
static bfd_boolean
|
|
coff_i960_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED, const char *name)
|
|
{
|
|
return (name[0] == 'L'
|
|
|| (name[0] == '.'
|
|
&& (name[1] == 'C'
|
|
|| name[1] == 'I'
|
|
|| name[1] == '.')));
|
|
}
|
|
|
|
/* This is just like the usual CALC_ADDEND, but it includes the
|
|
section VMA for PC relative relocs. */
|
|
#ifndef CALC_ADDEND
|
|
#define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \
|
|
{ \
|
|
coff_symbol_type *coffsym = (coff_symbol_type *) NULL; \
|
|
if (ptr && bfd_asymbol_bfd (ptr) != abfd) \
|
|
coffsym = (obj_symbols (abfd) \
|
|
+ (cache_ptr->sym_ptr_ptr - symbols)); \
|
|
else if (ptr) \
|
|
coffsym = coff_symbol_from (ptr); \
|
|
if (coffsym != (coff_symbol_type *) NULL \
|
|
&& coffsym->native->u.syment.n_scnum == 0) \
|
|
cache_ptr->addend = 0; \
|
|
else if (ptr && bfd_asymbol_bfd (ptr) == abfd \
|
|
&& ptr->section != (asection *) NULL) \
|
|
cache_ptr->addend = - (ptr->section->vma + ptr->value); \
|
|
else \
|
|
cache_ptr->addend = 0; \
|
|
if (ptr && (reloc.r_type == 25 || reloc.r_type == 27)) \
|
|
cache_ptr->addend += asect->vma; \
|
|
}
|
|
#endif
|
|
|
|
#define CALLS 0x66003800 /* Template for 'calls' instruction */
|
|
#define BAL 0x0b000000 /* Template for 'bal' instruction */
|
|
#define BAL_MASK 0x00ffffff
|
|
|
|
static bfd_reloc_status_type
|
|
optcall_callback (bfd *abfd,
|
|
arelent *reloc_entry,
|
|
asymbol *symbol_in,
|
|
void * data,
|
|
asection *input_section,
|
|
bfd *ignore_bfd ATTRIBUTE_UNUSED,
|
|
char **error_message)
|
|
{
|
|
/* This item has already been relocated correctly, but we may be
|
|
* able to patch in yet better code - done by digging out the
|
|
* correct info on this symbol */
|
|
bfd_reloc_status_type result;
|
|
coff_symbol_type *cs = coffsymbol(symbol_in);
|
|
|
|
/* Don't do anything with symbols which aren't tied up yet,
|
|
except move the reloc. */
|
|
if (bfd_is_und_section (cs->symbol.section)) {
|
|
reloc_entry->address += input_section->output_offset;
|
|
return bfd_reloc_ok;
|
|
}
|
|
|
|
/* So the target symbol has to be of coff type, and the symbol
|
|
has to have the correct native information within it */
|
|
if ((bfd_asymbol_flavour(&cs->symbol) != bfd_target_coff_flavour)
|
|
|| (cs->native == (combined_entry_type *)NULL))
|
|
{
|
|
/* This is interesting, consider the case where we're outputting coff
|
|
from a mix n match input, linking from coff to a symbol defined in a
|
|
bout file will cause this match to be true. Should I complain? This
|
|
will only work if the bout symbol is non leaf. */
|
|
*error_message =
|
|
(char *) _("uncertain calling convention for non-COFF symbol");
|
|
result = bfd_reloc_dangerous;
|
|
}
|
|
else
|
|
{
|
|
switch (cs->native->u.syment.n_sclass)
|
|
{
|
|
case C_LEAFSTAT:
|
|
case C_LEAFEXT:
|
|
/* This is a call to a leaf procedure, replace instruction with a bal
|
|
to the correct location. */
|
|
{
|
|
union internal_auxent *aux = &((cs->native+2)->u.auxent);
|
|
int word = bfd_get_32 (abfd, (bfd_byte *)data + reloc_entry->address);
|
|
int olf = (aux->x_bal.x_balntry - cs->native->u.syment.n_value);
|
|
BFD_ASSERT(cs->native->u.syment.n_numaux==2);
|
|
|
|
/* We replace the original call instruction with a bal to
|
|
the bal entry point - the offset of which is described in
|
|
the 2nd auxent of the original symbol. We keep the native
|
|
sym and auxents untouched, so the delta between the two
|
|
is the offset of the bal entry point. */
|
|
word = ((word + olf) & BAL_MASK) | BAL;
|
|
bfd_put_32 (abfd, (bfd_vma) word,
|
|
(bfd_byte *) data + reloc_entry->address);
|
|
}
|
|
result = bfd_reloc_ok;
|
|
break;
|
|
case C_SCALL:
|
|
/* This is a call to a system call, replace with a calls to # */
|
|
BFD_ASSERT(0);
|
|
result = bfd_reloc_ok;
|
|
break;
|
|
default:
|
|
result = bfd_reloc_ok;
|
|
break;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/* i960 COFF is used by VxWorks 5.1. However, VxWorks 5.1 does not
|
|
appear to correctly handle a reloc against a symbol defined in the
|
|
same object file. It appears to simply discard such relocs, rather
|
|
than adding their values into the object file. We handle this here
|
|
by converting all relocs against defined symbols into relocs
|
|
against the section symbol, when generating a relocatable output
|
|
file.
|
|
|
|
Note that this function is only called if we are not using the COFF
|
|
specific backend linker. It only does something when doing a
|
|
relocatable link, which will almost certainly fail when not
|
|
generating COFF i960 output, so this function is actually no longer
|
|
useful. It was used before this target was converted to use the
|
|
COFF specific backend linker. */
|
|
|
|
static bfd_reloc_status_type
|
|
coff_i960_relocate (bfd *abfd,
|
|
arelent *reloc_entry,
|
|
asymbol *symbol,
|
|
void * data ATTRIBUTE_UNUSED,
|
|
asection *input_section ATTRIBUTE_UNUSED,
|
|
bfd *output_bfd,
|
|
char **error_message ATTRIBUTE_UNUSED)
|
|
{
|
|
asection *osec;
|
|
|
|
if (output_bfd == NULL)
|
|
{
|
|
/* Not generating relocatable output file. */
|
|
return bfd_reloc_continue;
|
|
}
|
|
|
|
if (bfd_is_und_section (bfd_get_section (symbol)))
|
|
{
|
|
/* Symbol is not defined, so no need to worry about it. */
|
|
return bfd_reloc_continue;
|
|
}
|
|
|
|
if (bfd_is_com_section (bfd_get_section (symbol)))
|
|
{
|
|
/* I don't really know what the right action is for a common
|
|
symbol. */
|
|
return bfd_reloc_continue;
|
|
}
|
|
|
|
/* Convert the reloc to use the section symbol. FIXME: This method
|
|
is ridiculous. */
|
|
osec = bfd_get_section (symbol)->output_section;
|
|
if (coff_section_data (output_bfd, osec) != NULL
|
|
&& coff_section_data (output_bfd, osec)->tdata != NULL)
|
|
reloc_entry->sym_ptr_ptr =
|
|
(asymbol **) coff_section_data (output_bfd, osec)->tdata;
|
|
else
|
|
{
|
|
const char *sec_name;
|
|
asymbol **syms, **sym_end;
|
|
|
|
sec_name = bfd_get_section_name (output_bfd, osec);
|
|
syms = bfd_get_outsymbols (output_bfd);
|
|
sym_end = syms + bfd_get_symcount (output_bfd);
|
|
for (; syms < sym_end; syms++)
|
|
{
|
|
if (bfd_asymbol_name (*syms) != NULL
|
|
&& (*syms)->value == 0
|
|
&& strcmp ((*syms)->section->output_section->name,
|
|
sec_name) == 0)
|
|
break;
|
|
}
|
|
|
|
if (syms >= sym_end)
|
|
abort ();
|
|
|
|
reloc_entry->sym_ptr_ptr = syms;
|
|
|
|
if (coff_section_data (output_bfd, osec) == NULL)
|
|
{
|
|
bfd_size_type amt = sizeof (struct coff_section_tdata);
|
|
osec->used_by_bfd = bfd_zalloc (abfd, amt);
|
|
if (osec->used_by_bfd == NULL)
|
|
return bfd_reloc_overflow;
|
|
}
|
|
coff_section_data (output_bfd, osec)->tdata = syms;
|
|
}
|
|
|
|
/* Let bfd_perform_relocation do its thing, which will include
|
|
stuffing the symbol addend into the object file. */
|
|
return bfd_reloc_continue;
|
|
}
|
|
|
|
static reloc_howto_type howto_rellong =
|
|
HOWTO ((unsigned int) R_RELLONG, 0, 2, 32,FALSE, 0,
|
|
complain_overflow_bitfield, coff_i960_relocate,"rellong", TRUE,
|
|
0xffffffff, 0xffffffff, 0);
|
|
static reloc_howto_type howto_iprmed =
|
|
HOWTO (R_IPRMED, 0, 2, 24,TRUE,0, complain_overflow_signed,
|
|
coff_i960_relocate, "iprmed ", TRUE, 0x00ffffff, 0x00ffffff, 0);
|
|
static reloc_howto_type howto_optcall =
|
|
HOWTO (R_OPTCALL, 0,2,24,TRUE,0, complain_overflow_signed,
|
|
optcall_callback, "optcall", TRUE, 0x00ffffff, 0x00ffffff, 0);
|
|
|
|
static reloc_howto_type *
|
|
coff_i960_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
|
bfd_reloc_code_real_type code)
|
|
{
|
|
switch (code)
|
|
{
|
|
default:
|
|
return 0;
|
|
case BFD_RELOC_I960_CALLJ:
|
|
return &howto_optcall;
|
|
case BFD_RELOC_32:
|
|
case BFD_RELOC_CTOR:
|
|
return &howto_rellong;
|
|
case BFD_RELOC_24_PCREL:
|
|
return &howto_iprmed;
|
|
}
|
|
}
|
|
|
|
static reloc_howto_type *
|
|
coff_i960_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
|
const char *r_name)
|
|
{
|
|
if (strcasecmp (howto_optcall.name, r_name) == 0)
|
|
return &howto_optcall;
|
|
if (strcasecmp (howto_rellong.name, r_name) == 0)
|
|
return &howto_rellong;
|
|
if (strcasecmp (howto_iprmed.name, r_name) == 0)
|
|
return &howto_iprmed;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* The real code is in coffcode.h */
|
|
|
|
#define RTYPE2HOWTO(cache_ptr, dst) \
|
|
{ \
|
|
reloc_howto_type *howto_ptr; \
|
|
switch ((dst)->r_type) { \
|
|
case 17: howto_ptr = &howto_rellong; break; \
|
|
case 25: howto_ptr = &howto_iprmed; break; \
|
|
case 27: howto_ptr = &howto_optcall; break; \
|
|
default: howto_ptr = 0; break; \
|
|
} \
|
|
(cache_ptr)->howto = howto_ptr; \
|
|
}
|
|
|
|
/* i960 COFF is used by VxWorks 5.1. However, VxWorks 5.1 does not
|
|
appear to correctly handle a reloc against a symbol defined in the
|
|
same object file. It appears to simply discard such relocs, rather
|
|
than adding their values into the object file. We handle this by
|
|
converting all relocs against global symbols into relocs against
|
|
internal symbols at the start of the section. This routine is
|
|
called at the start of the linking process, and it creates the
|
|
necessary symbols. */
|
|
|
|
static bfd_boolean
|
|
coff_i960_start_final_link (bfd *abfd, struct bfd_link_info *info)
|
|
{
|
|
bfd_size_type symesz = bfd_coff_symesz (abfd);
|
|
asection *o;
|
|
bfd_byte *esym;
|
|
|
|
if (! bfd_link_relocatable (info))
|
|
return TRUE;
|
|
|
|
esym = (bfd_byte *) bfd_malloc (symesz);
|
|
if (esym == NULL)
|
|
return FALSE;
|
|
|
|
if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0)
|
|
return FALSE;
|
|
|
|
for (o = abfd->sections; o != NULL; o = o->next)
|
|
{
|
|
struct internal_syment isym;
|
|
|
|
strncpy (isym._n._n_name, o->name, SYMNMLEN);
|
|
isym.n_value = 0;
|
|
isym.n_scnum = o->target_index;
|
|
isym.n_type = T_NULL;
|
|
isym.n_sclass = C_STAT;
|
|
isym.n_numaux = 0;
|
|
|
|
bfd_coff_swap_sym_out (abfd, &isym, esym);
|
|
|
|
if (bfd_bwrite (esym, symesz, abfd) != symesz)
|
|
{
|
|
free (esym);
|
|
return FALSE;
|
|
}
|
|
|
|
obj_raw_syment_count (abfd) += 1;
|
|
}
|
|
|
|
free (esym);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* The reloc processing routine for the optimized COFF linker. */
|
|
|
|
static bfd_boolean
|
|
coff_i960_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
|
|
struct bfd_link_info *info,
|
|
bfd *input_bfd,
|
|
asection *input_section,
|
|
bfd_byte *contents,
|
|
struct internal_reloc *relocs,
|
|
struct internal_syment *syms,
|
|
asection **sections)
|
|
{
|
|
struct internal_reloc *rel;
|
|
struct internal_reloc *relend;
|
|
|
|
rel = relocs;
|
|
relend = rel + input_section->reloc_count;
|
|
for (; rel < relend; rel++)
|
|
{
|
|
long symndx;
|
|
struct coff_link_hash_entry *h;
|
|
struct internal_syment *sym;
|
|
bfd_vma addend;
|
|
bfd_vma val;
|
|
reloc_howto_type *howto;
|
|
bfd_reloc_status_type rstat = bfd_reloc_ok;
|
|
bfd_boolean done;
|
|
|
|
symndx = rel->r_symndx;
|
|
|
|
if (symndx == -1)
|
|
{
|
|
h = NULL;
|
|
sym = NULL;
|
|
}
|
|
else
|
|
{
|
|
h = obj_coff_sym_hashes (input_bfd)[symndx];
|
|
sym = syms + symndx;
|
|
}
|
|
|
|
if (sym != NULL && sym->n_scnum != 0)
|
|
addend = - sym->n_value;
|
|
else
|
|
addend = 0;
|
|
|
|
switch (rel->r_type)
|
|
{
|
|
case 17: howto = &howto_rellong; break;
|
|
case 25: howto = &howto_iprmed; break;
|
|
case 27: howto = &howto_optcall; break;
|
|
default:
|
|
bfd_set_error (bfd_error_bad_value);
|
|
return FALSE;
|
|
}
|
|
|
|
val = 0;
|
|
|
|
if (h == NULL)
|
|
{
|
|
asection *sec;
|
|
|
|
if (symndx == -1)
|
|
{
|
|
sec = bfd_abs_section_ptr;
|
|
val = 0;
|
|
}
|
|
else
|
|
{
|
|
sec = sections[symndx];
|
|
val = (sec->output_section->vma
|
|
+ sec->output_offset
|
|
+ sym->n_value
|
|
- sec->vma);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (h->root.type == bfd_link_hash_defined
|
|
|| h->root.type == bfd_link_hash_defweak)
|
|
{
|
|
asection *sec;
|
|
|
|
sec = h->root.u.def.section;
|
|
val = (h->root.u.def.value
|
|
+ sec->output_section->vma
|
|
+ sec->output_offset);
|
|
}
|
|
else if (! bfd_link_relocatable (info))
|
|
(*info->callbacks->undefined_symbol)
|
|
(info, h->root.root.string, input_bfd, input_section,
|
|
rel->r_vaddr - input_section->vma, TRUE);
|
|
}
|
|
|
|
done = FALSE;
|
|
|
|
if (howto->type == R_OPTCALL && ! bfd_link_relocatable (info) && symndx != -1)
|
|
{
|
|
int class_val;
|
|
|
|
if (h != NULL)
|
|
class_val = h->symbol_class;
|
|
else
|
|
class_val = sym->n_sclass;
|
|
|
|
switch (class_val)
|
|
{
|
|
case C_NULL:
|
|
/* This symbol is apparently not from a COFF input file.
|
|
We warn, and then assume that it is not a leaf
|
|
function. */
|
|
(*info->callbacks->reloc_dangerous)
|
|
(info,
|
|
_("uncertain calling convention for non-COFF symbol"),
|
|
input_bfd, input_section,
|
|
rel->r_vaddr - input_section->vma);
|
|
break;
|
|
case C_LEAFSTAT:
|
|
case C_LEAFEXT:
|
|
/* This is a call to a leaf procedure; use the bal
|
|
instruction. */
|
|
{
|
|
long olf;
|
|
unsigned long word;
|
|
|
|
if (h != NULL)
|
|
{
|
|
BFD_ASSERT (h->numaux == 2);
|
|
olf = h->aux[1].x_bal.x_balntry;
|
|
}
|
|
else
|
|
{
|
|
bfd_byte *esyms;
|
|
union internal_auxent aux;
|
|
|
|
BFD_ASSERT (sym->n_numaux == 2);
|
|
esyms = (bfd_byte *) obj_coff_external_syms (input_bfd);
|
|
esyms += (symndx + 2) * bfd_coff_symesz (input_bfd);
|
|
bfd_coff_swap_aux_in (input_bfd, esyms, sym->n_type,
|
|
sym->n_sclass, 1, sym->n_numaux,
|
|
&aux);
|
|
olf = aux.x_bal.x_balntry;
|
|
}
|
|
|
|
word = bfd_get_32 (input_bfd,
|
|
(contents
|
|
+ (rel->r_vaddr - input_section->vma)));
|
|
word = ((word + olf - val) & BAL_MASK) | BAL;
|
|
bfd_put_32 (input_bfd,
|
|
(bfd_vma) word,
|
|
contents + (rel->r_vaddr - input_section->vma));
|
|
done = TRUE;
|
|
}
|
|
break;
|
|
case C_SCALL:
|
|
BFD_ASSERT (0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (! done)
|
|
{
|
|
if (howto->pc_relative)
|
|
addend += input_section->vma;
|
|
rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
|
|
contents,
|
|
rel->r_vaddr - input_section->vma,
|
|
val, addend);
|
|
}
|
|
|
|
switch (rstat)
|
|
{
|
|
default:
|
|
abort ();
|
|
case bfd_reloc_ok:
|
|
break;
|
|
case bfd_reloc_overflow:
|
|
{
|
|
const char *name;
|
|
char buf[SYMNMLEN + 1];
|
|
|
|
if (symndx == -1)
|
|
name = "*ABS*";
|
|
else if (h != NULL)
|
|
name = NULL;
|
|
else
|
|
{
|
|
name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
|
|
if (name == NULL)
|
|
return FALSE;
|
|
}
|
|
|
|
(*info->callbacks->reloc_overflow)
|
|
(info, (h ? &h->root : NULL), name, howto->name,
|
|
(bfd_vma) 0, input_bfd, input_section,
|
|
rel->r_vaddr - input_section->vma);
|
|
}
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* Adjust the symbol index of any reloc against a global symbol to
|
|
instead be a reloc against the internal symbol we created specially
|
|
for the section. */
|
|
|
|
static bfd_boolean
|
|
coff_i960_adjust_symndx (bfd *obfd ATTRIBUTE_UNUSED,
|
|
struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
|
bfd *ibfd,
|
|
asection *sec ATTRIBUTE_UNUSED,
|
|
struct internal_reloc *irel,
|
|
bfd_boolean *adjustedp)
|
|
{
|
|
struct coff_link_hash_entry *h;
|
|
|
|
*adjustedp = FALSE;
|
|
|
|
h = obj_coff_sym_hashes (ibfd)[irel->r_symndx];
|
|
if (h == NULL
|
|
|| (h->root.type != bfd_link_hash_defined
|
|
&& h->root.type != bfd_link_hash_defweak))
|
|
return TRUE;
|
|
|
|
irel->r_symndx = h->root.u.def.section->output_section->target_index - 1;
|
|
*adjustedp = TRUE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#define coff_bfd_is_local_label_name coff_i960_is_local_label_name
|
|
|
|
#define coff_start_final_link coff_i960_start_final_link
|
|
|
|
#define coff_relocate_section coff_i960_relocate_section
|
|
|
|
#define coff_adjust_symndx coff_i960_adjust_symndx
|
|
|
|
#define coff_bfd_reloc_type_lookup coff_i960_reloc_type_lookup
|
|
#define coff_bfd_reloc_name_lookup coff_i960_reloc_name_lookup
|
|
|
|
#include "coffcode.h"
|
|
|
|
extern const bfd_target icoff_be_vec;
|
|
|
|
CREATE_LITTLE_COFF_TARGET_VEC (icoff_le_vec, "coff-Intel-little", 0, 0, '_', & icoff_be_vec, COFF_SWAP_TABLE)
|
|
|
|
const bfd_target icoff_be_vec =
|
|
{
|
|
"coff-Intel-big", /* name */
|
|
bfd_target_coff_flavour,
|
|
BFD_ENDIAN_LITTLE, /* data byte order is little */
|
|
BFD_ENDIAN_BIG, /* header byte order is big */
|
|
|
|
(HAS_RELOC | EXEC_P | /* object flags */
|
|
HAS_LINENO | HAS_DEBUG |
|
|
HAS_SYMS | HAS_LOCALS | WP_TEXT),
|
|
|
|
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
|
|
'_', /* leading underscore */
|
|
'/', /* ar_pad_char */
|
|
15, /* ar_max_namelen */
|
|
0, /* match priority. */
|
|
|
|
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
|
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
|
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
|
|
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
|
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
|
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
|
|
|
|
{_bfd_dummy_target, coff_object_p, /* bfd_check_format */
|
|
bfd_generic_archive_p, _bfd_dummy_target},
|
|
{bfd_false, coff_mkobject, /* bfd_set_format */
|
|
_bfd_generic_mkarchive, bfd_false},
|
|
{bfd_false, coff_write_object_contents, /* bfd_write_contents */
|
|
_bfd_write_archive_contents, bfd_false},
|
|
|
|
BFD_JUMP_TABLE_GENERIC (coff),
|
|
BFD_JUMP_TABLE_COPY (coff),
|
|
BFD_JUMP_TABLE_CORE (_bfd_nocore),
|
|
BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
|
|
BFD_JUMP_TABLE_SYMBOLS (coff),
|
|
BFD_JUMP_TABLE_RELOCS (coff),
|
|
BFD_JUMP_TABLE_WRITE (coff),
|
|
BFD_JUMP_TABLE_LINK (coff),
|
|
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
|
|
|
|
& icoff_le_vec,
|
|
|
|
COFF_SWAP_TABLE
|
|
};
|