1999-05-03 09:29:11 +02:00
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/* BFD back-end for Intel 960 COFF files.
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2002-11-30 09:39:46 +01:00
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Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1997, 1999, 2000, 2001,
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2009-09-02 09:25:43 +02:00
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2002, 2003, 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
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1999-05-03 09:29:11 +02:00
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Written by Cygnus Support.
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2007-07-03 16:26:43 +02:00
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This file is part of BFD, the Binary File Descriptor library.
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1999-05-03 09:29:11 +02:00
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2007-07-03 16:26:43 +02:00
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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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1999-05-03 09:29:11 +02:00
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2007-07-03 16:26:43 +02:00
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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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1999-05-03 09:29:11 +02:00
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2007-07-03 16:26:43 +02:00
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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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1999-05-03 09:29:11 +02:00
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#define I960 1
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#define BADMAG(x) I960BADMAG(x)
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#include "sysdep.h"
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2007-04-26 16:47:00 +02:00
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#include "bfd.h"
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1999-05-03 09:29:11 +02:00
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#include "libbfd.h"
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#include "coff/i960.h"
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#include "coff/internal.h"
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2008-07-18 13:30:22 +02:00
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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 "libcoff.h" /* To allow easier abstraction-breaking. */
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1999-05-03 09:29:11 +02:00
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2002-11-30 09:39:46 +01:00
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static bfd_boolean coff_i960_is_local_label_name
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PARAMS ((bfd *, const char *));
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1999-05-03 09:29:11 +02:00
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static bfd_reloc_status_type optcall_callback
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PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
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static bfd_reloc_status_type coff_i960_relocate
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PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
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static reloc_howto_type *coff_i960_reloc_type_lookup
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PARAMS ((bfd *, bfd_reloc_code_real_type));
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2002-11-30 09:39:46 +01:00
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static bfd_boolean coff_i960_start_final_link
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1999-05-03 09:29:11 +02:00
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PARAMS ((bfd *, struct bfd_link_info *));
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2002-11-30 09:39:46 +01:00
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static bfd_boolean coff_i960_relocate_section
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1999-05-03 09:29:11 +02:00
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PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
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struct internal_reloc *, struct internal_syment *, asection **));
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2002-11-30 09:39:46 +01:00
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static bfd_boolean coff_i960_adjust_symndx
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1999-05-03 09:29:11 +02:00
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PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *,
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2002-11-30 09:39:46 +01:00
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struct internal_reloc *, bfd_boolean *));
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1999-05-03 09:29:11 +02:00
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#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
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#define COFF_ALIGN_IN_SECTION_HEADER 1
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Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 11:57:26 +02:00
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#define GET_SCNHDR_ALIGN H_GET_32
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#define PUT_SCNHDR_ALIGN H_PUT_32
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1999-05-03 09:29:11 +02:00
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/* The i960 does not support an MMU, so COFF_PAGE_SIZE can be
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arbitrarily small. */
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#define COFF_PAGE_SIZE 1
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#define COFF_LONG_FILENAMES
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/* This set of local label names is taken from gas. */
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2002-11-30 09:39:46 +01:00
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static bfd_boolean
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1999-05-03 09:29:11 +02:00
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coff_i960_is_local_label_name (abfd, name)
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1999-07-12 12:30:21 +02:00
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bfd *abfd ATTRIBUTE_UNUSED;
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1999-05-03 09:29:11 +02:00
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const char *name;
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{
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return (name[0] == 'L'
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|| (name[0] == '.'
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&& (name[1] == 'C'
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|| name[1] == 'I'
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|| name[1] == '.')));
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}
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/* This is just like the usual CALC_ADDEND, but it includes the
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section VMA for PC relative relocs. */
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#ifndef CALC_ADDEND
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#define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \
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{ \
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coff_symbol_type *coffsym = (coff_symbol_type *) NULL; \
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if (ptr && bfd_asymbol_bfd (ptr) != abfd) \
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coffsym = (obj_symbols (abfd) \
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+ (cache_ptr->sym_ptr_ptr - symbols)); \
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else if (ptr) \
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coffsym = coff_symbol_from (abfd, ptr); \
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if (coffsym != (coff_symbol_type *) NULL \
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&& coffsym->native->u.syment.n_scnum == 0) \
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cache_ptr->addend = 0; \
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else if (ptr && bfd_asymbol_bfd (ptr) == abfd \
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&& ptr->section != (asection *) NULL) \
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cache_ptr->addend = - (ptr->section->vma + ptr->value); \
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else \
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cache_ptr->addend = 0; \
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if (ptr && (reloc.r_type == 25 || reloc.r_type == 27)) \
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cache_ptr->addend += asect->vma; \
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}
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#endif
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#define CALLS 0x66003800 /* Template for 'calls' instruction */
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#define BAL 0x0b000000 /* Template for 'bal' instruction */
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#define BAL_MASK 0x00ffffff
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2000-11-10 21:55:44 +01:00
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static bfd_reloc_status_type
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1999-05-03 09:29:11 +02:00
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optcall_callback (abfd, reloc_entry, symbol_in, data,
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input_section, ignore_bfd, error_message)
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bfd *abfd;
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arelent *reloc_entry;
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asymbol *symbol_in;
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PTR data;
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asection *input_section;
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1999-07-12 12:30:21 +02:00
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bfd *ignore_bfd ATTRIBUTE_UNUSED;
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1999-05-03 09:29:11 +02:00
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char **error_message;
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{
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/* This item has already been relocated correctly, but we may be
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* able to patch in yet better code - done by digging out the
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* correct info on this symbol */
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bfd_reloc_status_type result;
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coff_symbol_type *cs = coffsymbol(symbol_in);
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/* Don't do anything with symbols which aren't tied up yet,
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2000-11-10 21:55:44 +01:00
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except move the reloc. */
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1999-05-03 09:29:11 +02:00
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if (bfd_is_und_section (cs->symbol.section)) {
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reloc_entry->address += input_section->output_offset;
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return bfd_reloc_ok;
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}
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2000-11-10 21:55:44 +01:00
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/* So the target symbol has to be of coff type, and the symbol
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1999-05-03 09:29:11 +02:00
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has to have the correct native information within it */
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if ((bfd_asymbol_flavour(&cs->symbol) != bfd_target_coff_flavour)
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|| (cs->native == (combined_entry_type *)NULL))
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{
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/* This is interesting, consider the case where we're outputting coff
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from a mix n match input, linking from coff to a symbol defined in a
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bout file will cause this match to be true. Should I complain? This
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will only work if the bout symbol is non leaf. */
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*error_message =
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(char *) _("uncertain calling convention for non-COFF symbol");
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result = bfd_reloc_dangerous;
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}
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else
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{
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2000-11-10 21:55:44 +01:00
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switch (cs->native->u.syment.n_sclass)
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1999-05-03 09:29:11 +02:00
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{
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case C_LEAFSTAT:
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case C_LEAFEXT:
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/* This is a call to a leaf procedure, replace instruction with a bal
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to the correct location. */
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{
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union internal_auxent *aux = &((cs->native+2)->u.auxent);
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2000-11-22 02:08:53 +01:00
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int word = bfd_get_32 (abfd, (bfd_byte *)data + reloc_entry->address);
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1999-05-03 09:29:11 +02:00
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int olf = (aux->x_bal.x_balntry - cs->native->u.syment.n_value);
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BFD_ASSERT(cs->native->u.syment.n_numaux==2);
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/* We replace the original call instruction with a bal to
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the bal entry point - the offset of which is described in
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the 2nd auxent of the original symbol. We keep the native
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sym and auxents untouched, so the delta between the two
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is the offset of the bal entry point. */
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word = ((word + olf) & BAL_MASK) | BAL;
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Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 11:57:26 +02:00
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bfd_put_32 (abfd, (bfd_vma) word,
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(bfd_byte *) data + reloc_entry->address);
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1999-05-03 09:29:11 +02:00
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}
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result = bfd_reloc_ok;
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break;
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case C_SCALL:
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/* This is a call to a system call, replace with a calls to # */
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BFD_ASSERT(0);
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result = bfd_reloc_ok;
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break;
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default:
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result = bfd_reloc_ok;
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break;
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}
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}
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return result;
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}
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/* i960 COFF is used by VxWorks 5.1. However, VxWorks 5.1 does not
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appear to correctly handle a reloc against a symbol defined in the
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same object file. It appears to simply discard such relocs, rather
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than adding their values into the object file. We handle this here
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by converting all relocs against defined symbols into relocs
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2003-06-25 08:40:27 +02:00
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against the section symbol, when generating a relocatable output
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1999-05-03 09:29:11 +02:00
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file.
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Note that this function is only called if we are not using the COFF
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specific backend linker. It only does something when doing a
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2003-06-25 08:40:27 +02:00
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relocatable link, which will almost certainly fail when not
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1999-05-03 09:29:11 +02:00
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generating COFF i960 output, so this function is actually no longer
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useful. It was used before this target was converted to use the
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COFF specific backend linker. */
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2000-11-10 21:55:44 +01:00
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static bfd_reloc_status_type
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1999-05-03 09:29:11 +02:00
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coff_i960_relocate (abfd, reloc_entry, symbol, data, input_section,
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output_bfd, error_message)
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bfd *abfd;
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arelent *reloc_entry;
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asymbol *symbol;
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1999-07-12 12:30:21 +02:00
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PTR data ATTRIBUTE_UNUSED;
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asection *input_section ATTRIBUTE_UNUSED;
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1999-05-03 09:29:11 +02:00
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bfd *output_bfd;
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1999-07-12 12:30:21 +02:00
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char **error_message ATTRIBUTE_UNUSED;
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1999-05-03 09:29:11 +02:00
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{
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asection *osec;
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if (output_bfd == NULL)
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{
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2003-06-25 08:40:27 +02:00
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/* Not generating relocatable output file. */
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1999-05-03 09:29:11 +02:00
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return bfd_reloc_continue;
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}
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if (bfd_is_und_section (bfd_get_section (symbol)))
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{
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/* Symbol is not defined, so no need to worry about it. */
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return bfd_reloc_continue;
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}
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if (bfd_is_com_section (bfd_get_section (symbol)))
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{
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/* I don't really know what the right action is for a common
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symbol. */
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return bfd_reloc_continue;
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}
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/* Convert the reloc to use the section symbol. FIXME: This method
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is ridiculous. */
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osec = bfd_get_section (symbol)->output_section;
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if (coff_section_data (output_bfd, osec) != NULL
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&& coff_section_data (output_bfd, osec)->tdata != NULL)
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reloc_entry->sym_ptr_ptr =
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(asymbol **) coff_section_data (output_bfd, osec)->tdata;
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else
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{
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const char *sec_name;
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asymbol **syms, **sym_end;
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sec_name = bfd_get_section_name (output_bfd, osec);
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syms = bfd_get_outsymbols (output_bfd);
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sym_end = syms + bfd_get_symcount (output_bfd);
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for (; syms < sym_end; syms++)
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{
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if (bfd_asymbol_name (*syms) != NULL
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&& (*syms)->value == 0
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&& strcmp ((*syms)->section->output_section->name,
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sec_name) == 0)
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break;
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}
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if (syms >= sym_end)
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abort ();
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reloc_entry->sym_ptr_ptr = syms;
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if (coff_section_data (output_bfd, osec) == NULL)
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{
|
Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 11:57:26 +02:00
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|
|
bfd_size_type amt = sizeof (struct coff_section_tdata);
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osec->used_by_bfd = (PTR) bfd_zalloc (abfd, amt);
|
1999-05-03 09:29:11 +02:00
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|
if (osec->used_by_bfd == NULL)
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return bfd_reloc_overflow;
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}
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coff_section_data (output_bfd, osec)->tdata = (PTR) syms;
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}
|
|
|
|
|
|
|
|
/* 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 =
|
2002-11-30 09:39:46 +01:00
|
|
|
HOWTO ((unsigned int) R_RELLONG, 0, 2, 32,FALSE, 0,
|
|
|
|
complain_overflow_bitfield, coff_i960_relocate,"rellong", TRUE,
|
1999-05-03 09:29:11 +02:00
|
|
|
0xffffffff, 0xffffffff, 0);
|
|
|
|
static reloc_howto_type howto_iprmed =
|
2002-11-30 09:39:46 +01:00
|
|
|
HOWTO (R_IPRMED, 0, 2, 24,TRUE,0, complain_overflow_signed,
|
|
|
|
coff_i960_relocate, "iprmed ", TRUE, 0x00ffffff, 0x00ffffff, 0);
|
1999-05-03 09:29:11 +02:00
|
|
|
static reloc_howto_type howto_optcall =
|
2002-11-30 09:39:46 +01:00
|
|
|
HOWTO (R_OPTCALL, 0,2,24,TRUE,0, complain_overflow_signed,
|
|
|
|
optcall_callback, "optcall", TRUE, 0x00ffffff, 0x00ffffff, 0);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
static reloc_howto_type *
|
|
|
|
coff_i960_reloc_type_lookup (abfd, code)
|
1999-07-12 12:30:21 +02:00
|
|
|
bfd *abfd ATTRIBUTE_UNUSED;
|
1999-05-03 09:29:11 +02:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2007-03-26 14:23:03 +02:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
/* 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. */
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
static bfd_boolean
|
1999-05-03 09:29:11 +02:00
|
|
|
coff_i960_start_final_link (abfd, info)
|
|
|
|
bfd *abfd;
|
|
|
|
struct bfd_link_info *info;
|
|
|
|
{
|
|
|
|
bfd_size_type symesz = bfd_coff_symesz (abfd);
|
|
|
|
asection *o;
|
|
|
|
bfd_byte *esym;
|
|
|
|
|
2003-06-25 08:40:27 +02:00
|
|
|
if (! info->relocatable)
|
2002-11-30 09:39:46 +01:00
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
esym = (bfd_byte *) bfd_malloc (symesz);
|
|
|
|
if (esym == NULL)
|
2002-11-30 09:39:46 +01:00
|
|
|
return FALSE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0)
|
2002-11-30 09:39:46 +01:00
|
|
|
return FALSE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
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, (PTR) &isym, (PTR) esym);
|
|
|
|
|
Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 11:57:26 +02:00
|
|
|
if (bfd_bwrite (esym, symesz, abfd) != symesz)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
free (esym);
|
2002-11-30 09:39:46 +01:00
|
|
|
return FALSE;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
obj_raw_syment_count (abfd) += 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
free (esym);
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* The reloc processing routine for the optimized COFF linker. */
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
static bfd_boolean
|
1999-05-03 09:29:11 +02:00
|
|
|
coff_i960_relocate_section (output_bfd, info, input_bfd, input_section,
|
|
|
|
contents, relocs, syms, sections)
|
1999-07-12 12:30:21 +02:00
|
|
|
bfd *output_bfd ATTRIBUTE_UNUSED;
|
1999-05-03 09:29:11 +02:00
|
|
|
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;
|
2002-11-30 09:39:46 +01:00
|
|
|
bfd_boolean done;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
symndx = rel->r_symndx;
|
|
|
|
|
|
|
|
if (symndx == -1)
|
|
|
|
{
|
|
|
|
h = NULL;
|
|
|
|
sym = NULL;
|
|
|
|
}
|
|
|
|
else
|
2000-11-10 21:55:44 +01:00
|
|
|
{
|
1999-05-03 09:29:11 +02:00
|
|
|
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);
|
2002-11-30 09:39:46 +01:00
|
|
|
return FALSE;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
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);
|
|
|
|
}
|
2003-06-25 08:40:27 +02:00
|
|
|
else if (! info->relocatable)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
if (! ((*info->callbacks->undefined_symbol)
|
|
|
|
(info, h->root.root.string, input_bfd, input_section,
|
2002-11-30 09:39:46 +01:00
|
|
|
rel->r_vaddr - input_section->vma, TRUE)))
|
|
|
|
return FALSE;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
done = FALSE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
2003-06-25 08:40:27 +02:00
|
|
|
if (howto->type == R_OPTCALL && ! info->relocatable && symndx != -1)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
int class;
|
|
|
|
|
|
|
|
if (h != NULL)
|
|
|
|
class = h->class;
|
|
|
|
else
|
|
|
|
class = sym->n_sclass;
|
|
|
|
|
|
|
|
switch (class)
|
|
|
|
{
|
|
|
|
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. */
|
|
|
|
if (! ((*info->callbacks->reloc_dangerous)
|
|
|
|
(info,
|
|
|
|
_("uncertain calling convention for non-COFF symbol"),
|
|
|
|
input_bfd, input_section,
|
|
|
|
rel->r_vaddr - input_section->vma)))
|
2002-11-30 09:39:46 +01:00
|
|
|
return FALSE;
|
1999-05-03 09:29:11 +02:00
|
|
|
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, (PTR) esyms, sym->n_type,
|
|
|
|
sym->n_sclass, 1, sym->n_numaux,
|
|
|
|
(PTR) &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,
|
Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 11:57:26 +02:00
|
|
|
(bfd_vma) word,
|
|
|
|
contents + (rel->r_vaddr - input_section->vma));
|
2002-11-30 09:39:46 +01:00
|
|
|
done = TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
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)
|
2004-10-21 17:28:33 +02:00
|
|
|
name = NULL;
|
1999-05-03 09:29:11 +02:00
|
|
|
else
|
|
|
|
{
|
|
|
|
name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
|
|
|
|
if (name == NULL)
|
2002-11-30 09:39:46 +01:00
|
|
|
return FALSE;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
if (! ((*info->callbacks->reloc_overflow)
|
2004-10-21 17:28:33 +02:00
|
|
|
(info, (h ? &h->root : NULL), name, howto->name,
|
|
|
|
(bfd_vma) 0, input_bfd, input_section,
|
|
|
|
rel->r_vaddr - input_section->vma)))
|
2002-11-30 09:39:46 +01:00
|
|
|
return FALSE;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* 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. */
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
static bfd_boolean
|
1999-05-03 09:29:11 +02:00
|
|
|
coff_i960_adjust_symndx (obfd, info, ibfd, sec, irel, adjustedp)
|
1999-07-12 12:30:21 +02:00
|
|
|
bfd *obfd ATTRIBUTE_UNUSED;
|
|
|
|
struct bfd_link_info *info ATTRIBUTE_UNUSED;
|
1999-05-03 09:29:11 +02:00
|
|
|
bfd *ibfd;
|
1999-07-12 12:30:21 +02:00
|
|
|
asection *sec ATTRIBUTE_UNUSED;
|
1999-05-03 09:29:11 +02:00
|
|
|
struct internal_reloc *irel;
|
2002-11-30 09:39:46 +01:00
|
|
|
bfd_boolean *adjustedp;
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
struct coff_link_hash_entry *h;
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
*adjustedp = FALSE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
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))
|
2002-11-30 09:39:46 +01:00
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
irel->r_symndx = h->root.u.def.section->output_section->target_index - 1;
|
2002-11-30 09:39:46 +01:00
|
|
|
*adjustedp = TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
#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
|
2007-03-26 14:23:03 +02:00
|
|
|
#define coff_bfd_reloc_name_lookup coff_i960_reloc_name_lookup
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
#include "coffcode.h"
|
|
|
|
|
1999-07-19 16:55:16 +02:00
|
|
|
extern const bfd_target icoff_big_vec;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
2003-06-04 12:47:33 +02:00
|
|
|
CREATE_LITTLE_COFF_TARGET_VEC (icoff_little_vec, "coff-Intel-little", 0, 0, '_', & icoff_big_vec, COFF_SWAP_TABLE)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
const bfd_target icoff_big_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 */
|
|
|
|
|
|
|
|
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),
|
|
|
|
|
1999-07-19 16:55:16 +02:00
|
|
|
& icoff_little_vec,
|
2000-11-10 21:55:44 +01:00
|
|
|
|
1999-07-19 16:55:16 +02:00
|
|
|
COFF_SWAP_TABLE
|
1999-05-03 09:29:11 +02:00
|
|
|
};
|