ecb78adf80
exactly as it was on Sun, 23 May 2004 04:40:32 +0000. Corresponds to git commit 242eda977694c559d7d21626702034c13d745597.
600 lines
19 KiB
C
600 lines
19 KiB
C
/* BFD back-end for Motorola MCore COFF/PE
|
||
Copyright 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
|
||
|
||
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 2 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, 59 Temple Place - Suite 330,
|
||
Boston, MA 02111-1307, USA. */
|
||
|
||
#include "bfd.h"
|
||
#include "sysdep.h"
|
||
#include "libbfd.h"
|
||
#include "coff/mcore.h"
|
||
#include "coff/internal.h"
|
||
#include "coff/pe.h"
|
||
#include "libcoff.h"
|
||
|
||
#ifdef BADMAG
|
||
#undef BADMAG
|
||
#endif
|
||
#define BADMAG(x) MCOREBADMAG(x)
|
||
|
||
#ifndef NUM_ELEM
|
||
#define NUM_ELEM(A) (sizeof (A) / sizeof (A)[0])
|
||
#endif
|
||
|
||
/* This file is compiled more than once, but we only compile the
|
||
final_link routine once. */
|
||
extern bfd_boolean mcore_bfd_coff_final_link
|
||
PARAMS ((bfd *, struct bfd_link_info *));
|
||
#if 0
|
||
static struct bfd_link_hash_table *coff_mcore_link_hash_table_create
|
||
PARAMS ((bfd *));
|
||
#endif
|
||
static bfd_reloc_status_type mcore_coff_unsupported_reloc
|
||
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
|
||
static bfd_boolean coff_mcore_relocate_section
|
||
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
|
||
struct internal_reloc *, struct internal_syment *, asection **));
|
||
static reloc_howto_type *mcore_coff_reloc_type_lookup
|
||
PARAMS ((bfd *, bfd_reloc_code_real_type));
|
||
static reloc_howto_type *coff_mcore_rtype_to_howto
|
||
PARAMS ((bfd *, asection *, struct internal_reloc *,
|
||
struct coff_link_hash_entry *, struct internal_syment *,
|
||
bfd_vma *));
|
||
static void mcore_emit_base_file_entry
|
||
PARAMS ((struct bfd_link_info *, bfd *, asection *, bfd_vma));
|
||
static bfd_boolean in_reloc_p PARAMS ((bfd *, reloc_howto_type *));
|
||
|
||
/* The NT loader points the toc register to &toc + 32768, in order to
|
||
use the complete range of a 16-bit displacement. We have to adjust
|
||
for this when we fix up loads displaced off the toc reg. */
|
||
#define TOC_LOAD_ADJUSTMENT (-32768)
|
||
#define TOC_SECTION_NAME ".private.toc"
|
||
|
||
/* The main body of code is in coffcode.h. */
|
||
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER 2
|
||
|
||
/* In case we're on a 32-bit machine, construct a 64-bit "-1" value
|
||
from smaller values. Start with zero, widen, *then* decrement. */
|
||
#define MINUS_ONE (((bfd_vma)0) - 1)
|
||
|
||
static reloc_howto_type mcore_coff_howto_table[] =
|
||
{
|
||
/* Unused: */
|
||
HOWTO (IMAGE_REL_MCORE_ABSOLUTE,/* type */
|
||
0, /* rightshift */
|
||
0, /* size (0 = byte, 1 = short, 2 = long) */
|
||
0, /* bitsize */
|
||
FALSE, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_dont, /* dont complain_on_overflow */
|
||
NULL, /* special_function */
|
||
"ABSOLUTE", /* name */
|
||
FALSE, /* partial_inplace */
|
||
0x00, /* src_mask */
|
||
0x00, /* dst_mask */
|
||
FALSE), /* pcrel_offset */
|
||
|
||
HOWTO (IMAGE_REL_MCORE_ADDR32,/* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
FALSE, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
NULL, /* special_function */
|
||
"ADDR32", /* name */
|
||
TRUE, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
FALSE), /* pcrel_offset */
|
||
|
||
/* 8 bits + 2 zero bits; jmpi/jsri/lrw instructions.
|
||
Should not appear in object files. */
|
||
HOWTO (IMAGE_REL_MCORE_PCREL_IMM8BY4, /* type */
|
||
2, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
8, /* bitsize */
|
||
TRUE, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
mcore_coff_unsupported_reloc, /* special_function */
|
||
"IMM8BY4", /* name */
|
||
FALSE, /* partial_inplace */
|
||
0, /* src_mask */
|
||
0, /* dst_mask */
|
||
TRUE), /* pcrel_offset */
|
||
|
||
/* bsr/bt/bf/br instructions; 11 bits + 1 zero bit
|
||
Span 2k instructions == 4k bytes.
|
||
Only useful pieces at the relocated address are the opcode (5 bits) */
|
||
HOWTO (IMAGE_REL_MCORE_PCREL_IMM11BY2,/* type */
|
||
1, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
11, /* bitsize */
|
||
TRUE, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
NULL, /* special_function */
|
||
"IMM11BY2", /* name */
|
||
FALSE, /* partial_inplace */
|
||
0x0, /* src_mask */
|
||
0x7ff, /* dst_mask */
|
||
TRUE), /* pcrel_offset */
|
||
|
||
/* 4 bits + 1 zero bit; 'loopt' instruction only; unsupported. */
|
||
HOWTO (IMAGE_REL_MCORE_PCREL_IMM4BY2, /* type */
|
||
1, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
4, /* bitsize */
|
||
TRUE, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
mcore_coff_unsupported_reloc, /* special_function */
|
||
"IMM4BY2", /* name */
|
||
FALSE, /* partial_inplace */
|
||
0, /* src_mask */
|
||
0, /* dst_mask */
|
||
TRUE), /* pcrel_offset */
|
||
|
||
/* 32-bit pc-relative. Eventually this will help support PIC code. */
|
||
HOWTO (IMAGE_REL_MCORE_PCREL_32,/* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
TRUE, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
NULL, /* special_function */
|
||
"PCREL_32", /* name */
|
||
FALSE, /* partial_inplace */
|
||
0x0, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
TRUE), /* pcrel_offset */
|
||
|
||
/* Like PCREL_IMM11BY2, this relocation indicates that there is a
|
||
'jsri' at the specified address. There is a separate relocation
|
||
entry for the literal pool entry that it references, but we
|
||
might be able to change the jsri to a bsr if the target turns out
|
||
to be close enough [even though we won't reclaim the literal pool
|
||
entry, we'll get some runtime efficiency back]. Note that this
|
||
is a relocation that we are allowed to safely ignore. */
|
||
HOWTO (IMAGE_REL_MCORE_PCREL_JSR_IMM11BY2,/* type */
|
||
1, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
11, /* bitsize */
|
||
TRUE, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
NULL, /* special_function */
|
||
"JSR_IMM11BY2", /* name */
|
||
FALSE, /* partial_inplace */
|
||
0x0, /* src_mask */
|
||
0x7ff, /* dst_mask */
|
||
TRUE), /* pcrel_offset */
|
||
|
||
HOWTO (IMAGE_REL_MCORE_RVA, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
FALSE, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
NULL, /* special_function */
|
||
"MCORE_RVA", /* name */
|
||
TRUE, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
TRUE) /* pcrel_offset */
|
||
};
|
||
|
||
/* Extend the coff_link_hash_table structure with a few M*Core specific fields.
|
||
This allows us to store global data here without actually creating any
|
||
global variables, which is a no-no in the BFD world. */
|
||
typedef struct coff_mcore_link_hash_table
|
||
{
|
||
/* The original coff_link_hash_table structure. MUST be first field. */
|
||
struct coff_link_hash_table root;
|
||
|
||
bfd * bfd_of_toc_owner;
|
||
long int global_toc_size;
|
||
long int import_table_size;
|
||
long int first_thunk_address;
|
||
long int thunk_size;
|
||
}
|
||
mcore_hash_table;
|
||
|
||
/* Get the MCore coff linker hash table from a link_info structure. */
|
||
#define coff_mcore_hash_table(info) \
|
||
((mcore_hash_table *) ((info)->hash))
|
||
|
||
#if 0
|
||
/* Create an MCore coff linker hash table. */
|
||
|
||
static struct bfd_link_hash_table *
|
||
coff_mcore_link_hash_table_create (abfd)
|
||
bfd * abfd;
|
||
{
|
||
mcore_hash_table * ret;
|
||
|
||
ret = (mcore_hash_table *) bfd_malloc ((bfd_size_type) sizeof (* ret));
|
||
if (ret == (mcore_hash_table *) NULL)
|
||
return NULL;
|
||
|
||
if (! _bfd_coff_link_hash_table_init
|
||
(& ret->root, abfd, _bfd_coff_link_hash_newfunc))
|
||
{
|
||
free (ret);
|
||
return (struct bfd_link_hash_table *) NULL;
|
||
}
|
||
|
||
ret->bfd_of_toc_owner = NULL;
|
||
ret->global_toc_size = 0;
|
||
ret->import_table_size = 0;
|
||
ret->first_thunk_address = 0;
|
||
ret->thunk_size = 0;
|
||
|
||
return & ret->root.root;
|
||
}
|
||
#endif
|
||
|
||
/* Add an entry to the base file. */
|
||
|
||
static void
|
||
mcore_emit_base_file_entry (info, output_bfd, input_section, reloc_offset)
|
||
struct bfd_link_info * info;
|
||
bfd * output_bfd;
|
||
asection * input_section;
|
||
bfd_vma reloc_offset;
|
||
{
|
||
bfd_vma addr = reloc_offset
|
||
- input_section->vma
|
||
+ input_section->output_offset
|
||
+ input_section->output_section->vma;
|
||
|
||
if (coff_data (output_bfd)->pe)
|
||
addr -= pe_data (output_bfd)->pe_opthdr.ImageBase;
|
||
|
||
fwrite (&addr, 1, sizeof (addr), (FILE *) info->base_file);
|
||
}
|
||
|
||
static bfd_reloc_status_type
|
||
mcore_coff_unsupported_reloc (abfd, reloc_entry, symbol, data, input_section,
|
||
output_bfd, error_message)
|
||
bfd * abfd;
|
||
arelent * reloc_entry;
|
||
asymbol * symbol ATTRIBUTE_UNUSED;
|
||
PTR data ATTRIBUTE_UNUSED;
|
||
asection * input_section ATTRIBUTE_UNUSED;
|
||
bfd * output_bfd ATTRIBUTE_UNUSED;
|
||
char ** error_message ATTRIBUTE_UNUSED;
|
||
{
|
||
BFD_ASSERT (reloc_entry->howto != (reloc_howto_type *)0);
|
||
|
||
_bfd_error_handler (_("%s: Relocation %s (%d) is not currently supported.\n"),
|
||
bfd_archive_filename (abfd),
|
||
reloc_entry->howto->name,
|
||
reloc_entry->howto->type);
|
||
|
||
return bfd_reloc_notsupported;
|
||
}
|
||
|
||
/* A cheesy little macro to make the code a little more readable. */
|
||
#define HOW2MAP(bfd_rtype, mcore_rtype) \
|
||
case bfd_rtype: return & mcore_coff_howto_table [mcore_rtype]
|
||
|
||
static reloc_howto_type *
|
||
mcore_coff_reloc_type_lookup (abfd, code)
|
||
bfd * abfd ATTRIBUTE_UNUSED;
|
||
bfd_reloc_code_real_type code;
|
||
{
|
||
switch (code)
|
||
{
|
||
HOW2MAP (BFD_RELOC_32, IMAGE_REL_MCORE_ADDR32);
|
||
HOW2MAP (BFD_RELOC_MCORE_PCREL_IMM8BY4, IMAGE_REL_MCORE_PCREL_IMM8BY4);
|
||
HOW2MAP (BFD_RELOC_MCORE_PCREL_IMM11BY2, IMAGE_REL_MCORE_PCREL_IMM11BY2);
|
||
HOW2MAP (BFD_RELOC_MCORE_PCREL_IMM4BY2, IMAGE_REL_MCORE_PCREL_IMM4BY2);
|
||
HOW2MAP (BFD_RELOC_32_PCREL, IMAGE_REL_MCORE_PCREL_32);
|
||
HOW2MAP (BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2, IMAGE_REL_MCORE_PCREL_JSR_IMM11BY2);
|
||
HOW2MAP (BFD_RELOC_RVA, IMAGE_REL_MCORE_RVA);
|
||
default:
|
||
return NULL;
|
||
}
|
||
/*NOTREACHED*/
|
||
}
|
||
|
||
#undef HOW2MAP
|
||
|
||
#define RTYPE2HOWTO(cache_ptr, dst) \
|
||
(cache_ptr)->howto = mcore_coff_howto_table + (dst)->r_type;
|
||
|
||
static reloc_howto_type *
|
||
coff_mcore_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
|
||
bfd * abfd ATTRIBUTE_UNUSED;
|
||
asection * sec;
|
||
struct internal_reloc * rel;
|
||
struct coff_link_hash_entry * h ATTRIBUTE_UNUSED;
|
||
struct internal_syment * sym;
|
||
bfd_vma * addendp;
|
||
{
|
||
reloc_howto_type * howto;
|
||
|
||
if (rel->r_type >= NUM_ELEM (mcore_coff_howto_table))
|
||
return NULL;
|
||
|
||
howto = mcore_coff_howto_table + rel->r_type;
|
||
|
||
if (rel->r_type == IMAGE_REL_MCORE_RVA)
|
||
* addendp -= pe_data (sec->output_section->owner)->pe_opthdr.ImageBase;
|
||
|
||
else if (howto->pc_relative)
|
||
{
|
||
* addendp = sec->vma - 2; /* XXX guess - is this right ? */
|
||
|
||
/* If the symbol is defined, then the generic code is going to
|
||
add back the symbol value in order to cancel out an
|
||
adjustment it made to the addend. However, we set the addend
|
||
to 0 at the start of this function. We need to adjust here,
|
||
to avoid the adjustment the generic code will make. FIXME:
|
||
This is getting a bit hackish. */
|
||
if (sym != NULL && sym->n_scnum != 0)
|
||
* addendp -= sym->n_value;
|
||
}
|
||
else
|
||
* addendp = 0;
|
||
|
||
return howto;
|
||
}
|
||
|
||
/* Return TRUE if this relocation should appear in the output .reloc section.
|
||
This function is referenced in pe_mkobject in peicode.h. */
|
||
|
||
static bfd_boolean
|
||
in_reloc_p (abfd, howto)
|
||
bfd * abfd ATTRIBUTE_UNUSED;
|
||
reloc_howto_type * howto;
|
||
{
|
||
return ! howto->pc_relative && howto->type != IMAGE_REL_MCORE_RVA;
|
||
}
|
||
|
||
/* The reloc processing routine for the optimized COFF linker. */
|
||
static bfd_boolean
|
||
coff_mcore_relocate_section (output_bfd, info, input_bfd, input_section,
|
||
contents, relocs, syms, sections)
|
||
bfd * output_bfd;
|
||
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;
|
||
bfd_boolean hihalf;
|
||
bfd_vma hihalf_val;
|
||
|
||
/* If we are performing a relocatable link, we don't need to do a
|
||
thing. The caller will take care of adjusting the reloc
|
||
addresses and symbol indices. */
|
||
if (info->relocatable)
|
||
return TRUE;
|
||
|
||
/* Check if we have the same endianess */
|
||
if ( input_bfd->xvec->byteorder != output_bfd->xvec->byteorder
|
||
&& output_bfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
|
||
{
|
||
(*_bfd_error_handler)
|
||
(_("%s: compiled for a %s system and target is %s.\n"),
|
||
bfd_archive_filename (input_bfd),
|
||
bfd_big_endian (input_bfd) ? _("big endian") : _("little endian"),
|
||
bfd_big_endian (output_bfd) ? _("big endian") : _("little endian"));
|
||
|
||
bfd_set_error (bfd_error_wrong_format);
|
||
return FALSE;
|
||
}
|
||
|
||
hihalf = FALSE;
|
||
hihalf_val = 0;
|
||
|
||
rel = relocs;
|
||
relend = rel + input_section->reloc_count;
|
||
|
||
for (; rel < relend; rel++)
|
||
{
|
||
long symndx;
|
||
struct internal_syment * sym;
|
||
bfd_vma val;
|
||
bfd_vma addend;
|
||
bfd_reloc_status_type rstat;
|
||
bfd_byte * loc;
|
||
unsigned short r_type = rel->r_type;
|
||
reloc_howto_type * howto = NULL;
|
||
struct coff_link_hash_entry * h;
|
||
const char * my_name;
|
||
|
||
symndx = rel->r_symndx;
|
||
loc = contents + rel->r_vaddr - input_section->vma;
|
||
|
||
if (symndx == -1)
|
||
{
|
||
h = NULL;
|
||
sym = NULL;
|
||
}
|
||
else
|
||
{
|
||
h = obj_coff_sym_hashes (input_bfd)[symndx];
|
||
sym = syms + symndx;
|
||
}
|
||
|
||
addend = 0;
|
||
|
||
/* Get the howto and initialise the addend. */
|
||
howto = bfd_coff_rtype_to_howto (input_bfd, input_section, rel, h,
|
||
sym, & addend);
|
||
if (howto == NULL)
|
||
return FALSE;
|
||
|
||
val = 0;
|
||
|
||
if (h == NULL)
|
||
{
|
||
if (symndx == -1)
|
||
my_name = "*ABS*";
|
||
else
|
||
{
|
||
asection * sec = sections[symndx];
|
||
|
||
val = (sym->n_value
|
||
+ sec->output_section->vma
|
||
+ sec->output_offset);
|
||
|
||
if (sym == NULL)
|
||
my_name = "*unknown*";
|
||
else if ( sym->_n._n_n._n_zeroes == 0
|
||
&& sym->_n._n_n._n_offset != 0)
|
||
my_name = obj_coff_strings (input_bfd) + sym->_n._n_n._n_offset;
|
||
else
|
||
{
|
||
static char buf [SYMNMLEN + 1];
|
||
|
||
strncpy (buf, sym->_n._n_name, SYMNMLEN);
|
||
buf[SYMNMLEN] = '\0';
|
||
my_name = buf;
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if ( h->root.type == bfd_link_hash_defined
|
||
|| h->root.type == bfd_link_hash_defweak)
|
||
{
|
||
asection * sec = h->root.u.def.section;
|
||
|
||
val = (h->root.u.def.value
|
||
+ sec->output_section->vma
|
||
+ sec->output_offset);
|
||
}
|
||
else
|
||
{
|
||
if (! ((*info->callbacks->undefined_symbol)
|
||
(info, h->root.root.string, input_bfd, input_section,
|
||
rel->r_vaddr - input_section->vma, TRUE)))
|
||
return FALSE;
|
||
}
|
||
|
||
my_name = h->root.root.string;
|
||
}
|
||
|
||
rstat = bfd_reloc_ok;
|
||
|
||
/* Each case must do its own relocation, setting rstat appropriately. */
|
||
switch (r_type)
|
||
{
|
||
default:
|
||
_bfd_error_handler (_("%s: unsupported relocation type 0x%02x"),
|
||
bfd_archive_filename (input_bfd), r_type);
|
||
bfd_set_error (bfd_error_bad_value);
|
||
return FALSE;
|
||
|
||
case IMAGE_REL_MCORE_ABSOLUTE:
|
||
fprintf (stderr,
|
||
_("Warning: unsupported reloc %s <file %s, section %s>\n"),
|
||
howto->name,
|
||
bfd_archive_filename (input_bfd),
|
||
input_section->name);
|
||
|
||
fprintf (stderr,"sym %ld (%s), r_vaddr %ld (%lx)\n",
|
||
rel->r_symndx, my_name, (long) rel->r_vaddr,
|
||
(unsigned long) rel->r_vaddr);
|
||
break;
|
||
|
||
case IMAGE_REL_MCORE_PCREL_IMM8BY4:
|
||
case IMAGE_REL_MCORE_PCREL_IMM11BY2:
|
||
case IMAGE_REL_MCORE_PCREL_IMM4BY2:
|
||
case IMAGE_REL_MCORE_PCREL_32:
|
||
case IMAGE_REL_MCORE_PCREL_JSR_IMM11BY2:
|
||
case IMAGE_REL_MCORE_ADDR32:
|
||
/* XXX fixme - shouldn't this be like the code for the RVA reloc ? */
|
||
rstat = _bfd_relocate_contents (howto, input_bfd, val, loc);
|
||
break;
|
||
|
||
case IMAGE_REL_MCORE_RVA:
|
||
rstat = _bfd_final_link_relocate
|
||
(howto, input_bfd,
|
||
input_section, contents, rel->r_vaddr - input_section->vma,
|
||
val, addend);
|
||
break;
|
||
}
|
||
|
||
if (info->base_file)
|
||
{
|
||
/* Emit a reloc if the backend thinks it needs it. */
|
||
if (sym && pe_data (output_bfd)->in_reloc_p (output_bfd, howto))
|
||
mcore_emit_base_file_entry (info, output_bfd, input_section, rel->r_vaddr);
|
||
}
|
||
|
||
switch (rstat)
|
||
{
|
||
default:
|
||
abort ();
|
||
|
||
case bfd_reloc_ok:
|
||
break;
|
||
|
||
case bfd_reloc_overflow:
|
||
if (! ((*info->callbacks->reloc_overflow)
|
||
(info, my_name, howto->name,
|
||
(bfd_vma) 0, input_bfd,
|
||
input_section, rel->r_vaddr - input_section->vma)))
|
||
return FALSE;
|
||
}
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
/* Tailor coffcode.h -- macro heaven. */
|
||
|
||
/* We use the special COFF backend linker, with our own special touch. */
|
||
|
||
#define coff_bfd_reloc_type_lookup mcore_coff_reloc_type_lookup
|
||
#define coff_relocate_section coff_mcore_relocate_section
|
||
#define coff_rtype_to_howto coff_mcore_rtype_to_howto
|
||
|
||
#define SELECT_RELOC(internal, howto) {internal.r_type = howto->type;}
|
||
|
||
/* Make sure that the 'r_offset' field is copied properly
|
||
so that identical binaries will compare the same. */
|
||
#define SWAP_IN_RELOC_OFFSET H_GET_32
|
||
#define SWAP_OUT_RELOC_OFFSET H_PUT_32
|
||
|
||
#define COFF_PAGE_SIZE 0x1000
|
||
|
||
#include "coffcode.h"
|
||
|
||
/* Forward declaration to initialise alternative_target field. */
|
||
extern const bfd_target TARGET_LITTLE_SYM;
|
||
|
||
/* The transfer vectors that lead the outside world to all of the above. */
|
||
CREATE_BIG_COFF_TARGET_VEC (TARGET_BIG_SYM, TARGET_BIG_NAME, D_PAGED,
|
||
(SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_READONLY | SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
|
||
0, & TARGET_LITTLE_SYM, COFF_SWAP_TABLE)
|
||
CREATE_LITTLE_COFF_TARGET_VEC (TARGET_LITTLE_SYM, TARGET_LITTLE_NAME, D_PAGED,
|
||
(SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_READONLY | SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
|
||
0, & TARGET_BIG_SYM, COFF_SWAP_TABLE)
|