/* BFD back-end for Motorola 88000 COFF "Binary Compatibility Standard" files.
|
/* BFD back-end for Motorola 88000 COFF "Binary Compatibility Standard" files.
|
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1997, 1998, 1999, 2000,
|
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1997, 1998, 1999, 2000,
|
2001, 2002, 2003, 2005, 2007, 2008 Free Software Foundation, Inc.
|
2001, 2002, 2003, 2005, 2007, 2008 Free Software Foundation, Inc.
|
Written by Cygnus Support.
|
Written by Cygnus Support.
|
|
|
This file is part of BFD, the Binary File Descriptor library.
|
This file is part of BFD, the Binary File Descriptor library.
|
|
|
This program is free software; you can redistribute it and/or modify
|
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
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 3 of the License, or
|
the Free Software Foundation; either version 3 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, write to the Free Software
|
along with this program; if not, write to the Free Software
|
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
MA 02110-1301, USA. */
|
MA 02110-1301, USA. */
|
|
|
#define M88 1 /* Customize various include files */
|
#define M88 1 /* Customize various include files */
|
#include "sysdep.h"
|
#include "sysdep.h"
|
#include "bfd.h"
|
#include "bfd.h"
|
#include "libbfd.h"
|
#include "libbfd.h"
|
#include "coff/m88k.h"
|
#include "coff/m88k.h"
|
#include "coff/internal.h"
|
#include "coff/internal.h"
|
#include "libcoff.h"
|
#include "libcoff.h"
|
|
|
static bfd_boolean m88k_is_local_label_name PARAMS ((bfd *, const char *));
|
static bfd_boolean m88k_is_local_label_name PARAMS ((bfd *, const char *));
|
static bfd_reloc_status_type m88k_special_reloc
|
static bfd_reloc_status_type m88k_special_reloc
|
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
|
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
|
static void rtype2howto PARAMS ((arelent *, struct internal_reloc *));
|
static void rtype2howto PARAMS ((arelent *, struct internal_reloc *));
|
static void reloc_processing
|
static void reloc_processing
|
PARAMS ((arelent *, struct internal_reloc *, asymbol **, bfd *, asection *));
|
PARAMS ((arelent *, struct internal_reloc *, asymbol **, bfd *, asection *));
|
|
|
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
|
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
|
|
|
#define GET_SCNHDR_NRELOC H_GET_32
|
#define GET_SCNHDR_NRELOC H_GET_32
|
#define GET_SCNHDR_NLNNO H_GET_32
|
#define GET_SCNHDR_NLNNO H_GET_32
|
|
|
/* On coff-m88k, local labels start with '@'. */
|
/* On coff-m88k, local labels start with '@'. */
|
|
|
#define coff_bfd_is_local_label_name m88k_is_local_label_name
|
#define coff_bfd_is_local_label_name m88k_is_local_label_name
|
|
|
static bfd_boolean
|
static bfd_boolean
|
m88k_is_local_label_name (abfd, name)
|
m88k_is_local_label_name (abfd, name)
|
bfd *abfd ATTRIBUTE_UNUSED;
|
bfd *abfd ATTRIBUTE_UNUSED;
|
const char *name;
|
const char *name;
|
{
|
{
|
return name[0] == '@';
|
return name[0] == '@';
|
}
|
}
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
m88k_special_reloc (abfd, reloc_entry, symbol, data,
|
m88k_special_reloc (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd, error_message)
|
input_section, output_bfd, error_message)
|
bfd *abfd;
|
bfd *abfd;
|
arelent *reloc_entry;
|
arelent *reloc_entry;
|
asymbol *symbol;
|
asymbol *symbol;
|
PTR data;
|
PTR data;
|
asection *input_section;
|
asection *input_section;
|
bfd *output_bfd;
|
bfd *output_bfd;
|
char **error_message ATTRIBUTE_UNUSED;
|
char **error_message ATTRIBUTE_UNUSED;
|
{
|
{
|
reloc_howto_type *howto = reloc_entry->howto;
|
reloc_howto_type *howto = reloc_entry->howto;
|
|
|
switch (howto->type)
|
switch (howto->type)
|
{
|
{
|
case R_HVRT16:
|
case R_HVRT16:
|
case R_LVRT16:
|
case R_LVRT16:
|
if (output_bfd != (bfd *) NULL)
|
if (output_bfd != (bfd *) NULL)
|
{
|
{
|
/* This is a partial relocation, and we want to apply the
|
/* This is a partial relocation, and we want to apply the
|
relocation to the reloc entry rather than the raw data.
|
relocation to the reloc entry rather than the raw data.
|
Modify the reloc inplace to reflect what we now know. */
|
Modify the reloc inplace to reflect what we now know. */
|
|
|
reloc_entry->address += input_section->output_offset;
|
reloc_entry->address += input_section->output_offset;
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_vma output_base = 0;
|
bfd_vma output_base = 0;
|
bfd_vma addr = reloc_entry->address;
|
bfd_vma addr = reloc_entry->address;
|
bfd_vma x = bfd_get_16 (abfd, (bfd_byte *) data + addr);
|
bfd_vma x = bfd_get_16 (abfd, (bfd_byte *) data + addr);
|
asection *reloc_target_output_section;
|
asection *reloc_target_output_section;
|
long relocation = 0;
|
long relocation = 0;
|
|
|
/* Work out which section the relocation is targeted at and the
|
/* Work out which section the relocation is targeted at and the
|
initial relocation command value. */
|
initial relocation command value. */
|
|
|
/* Get symbol value. (Common symbols are special.) */
|
/* Get symbol value. (Common symbols are special.) */
|
if (bfd_is_com_section (symbol->section))
|
if (bfd_is_com_section (symbol->section))
|
relocation = 0;
|
relocation = 0;
|
else
|
else
|
relocation = symbol->value;
|
relocation = symbol->value;
|
|
|
reloc_target_output_section = symbol->section->output_section;
|
reloc_target_output_section = symbol->section->output_section;
|
|
|
/* Convert input-section-relative symbol value to absolute. */
|
/* Convert input-section-relative symbol value to absolute. */
|
if (output_bfd)
|
if (output_bfd)
|
output_base = 0;
|
output_base = 0;
|
else
|
else
|
output_base = reloc_target_output_section->vma;
|
output_base = reloc_target_output_section->vma;
|
|
|
relocation += output_base + symbol->section->output_offset;
|
relocation += output_base + symbol->section->output_offset;
|
|
|
/* Add in supplied addend. */
|
/* Add in supplied addend. */
|
relocation += ((reloc_entry->addend << howto->bitsize) + x);
|
relocation += ((reloc_entry->addend << howto->bitsize) + x);
|
|
|
reloc_entry->addend = 0;
|
reloc_entry->addend = 0;
|
|
|
relocation >>= (bfd_vma) howto->rightshift;
|
relocation >>= (bfd_vma) howto->rightshift;
|
|
|
/* Shift everything up to where it's going to be used */
|
/* Shift everything up to where it's going to be used */
|
|
|
relocation <<= (bfd_vma) howto->bitpos;
|
relocation <<= (bfd_vma) howto->bitpos;
|
|
|
if (relocation)
|
if (relocation)
|
bfd_put_16 (abfd, (bfd_vma) relocation,
|
bfd_put_16 (abfd, (bfd_vma) relocation,
|
(unsigned char *) data + addr);
|
(unsigned char *) data + addr);
|
}
|
}
|
|
|
/* If we are not producing relocatable output, return an error if
|
/* If we are not producing relocatable output, return an error if
|
the symbol is not defined. */
|
the symbol is not defined. */
|
if (bfd_is_und_section (symbol->section) && output_bfd == (bfd *) NULL)
|
if (bfd_is_und_section (symbol->section) && output_bfd == (bfd *) NULL)
|
return bfd_reloc_undefined;
|
return bfd_reloc_undefined;
|
|
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
|
|
default:
|
default:
|
if (output_bfd != (bfd *) NULL)
|
if (output_bfd != (bfd *) NULL)
|
{
|
{
|
/* This is a partial relocation, and we want to apply the
|
/* This is a partial relocation, and we want to apply the
|
relocation to the reloc entry rather than the raw data.
|
relocation to the reloc entry rather than the raw data.
|
Modify the reloc inplace to reflect what we now know. */
|
Modify the reloc inplace to reflect what we now know. */
|
|
|
reloc_entry->address += input_section->output_offset;
|
reloc_entry->address += input_section->output_offset;
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
|
|
if (output_bfd == (bfd *) NULL)
|
if (output_bfd == (bfd *) NULL)
|
return bfd_reloc_continue;
|
return bfd_reloc_continue;
|
|
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
}
|
}
|
|
|
static reloc_howto_type howto_table[] =
|
static reloc_howto_type howto_table[] =
|
{
|
{
|
HOWTO (R_PCR16L, /* type */
|
HOWTO (R_PCR16L, /* type */
|
02, /* rightshift */
|
02, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
m88k_special_reloc, /* special_function */
|
m88k_special_reloc, /* special_function */
|
"PCR16L", /* name */
|
"PCR16L", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0x0000ffff, /* src_mask */
|
0x0000ffff, /* src_mask */
|
0x0000ffff, /* dst_mask */
|
0x0000ffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
HOWTO (R_PCR26L, /* type */
|
HOWTO (R_PCR26L, /* type */
|
02, /* rightshift */
|
02, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
26, /* bitsize */
|
26, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
m88k_special_reloc, /* special_function */
|
m88k_special_reloc, /* special_function */
|
"PCR26L", /* name */
|
"PCR26L", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0x03ffffff, /* src_mask */
|
0x03ffffff, /* src_mask */
|
0x03ffffff, /* dst_mask */
|
0x03ffffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
HOWTO (R_VRT16, /* type */
|
HOWTO (R_VRT16, /* type */
|
00, /* rightshift */
|
00, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
m88k_special_reloc, /* special_function */
|
m88k_special_reloc, /* special_function */
|
"VRT16", /* name */
|
"VRT16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0x0000ffff, /* src_mask */
|
0x0000ffff, /* src_mask */
|
0x0000ffff, /* dst_mask */
|
0x0000ffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
HOWTO (R_HVRT16, /* type */
|
HOWTO (R_HVRT16, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
m88k_special_reloc, /* special_function */
|
m88k_special_reloc, /* special_function */
|
"HVRT16", /* name */
|
"HVRT16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0x0000ffff, /* src_mask */
|
0x0000ffff, /* src_mask */
|
0x0000ffff, /* dst_mask */
|
0x0000ffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
HOWTO (R_LVRT16, /* type */
|
HOWTO (R_LVRT16, /* type */
|
00, /* rightshift */
|
00, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
m88k_special_reloc, /* special_function */
|
m88k_special_reloc, /* special_function */
|
"LVRT16", /* name */
|
"LVRT16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0x0000ffff, /* src_mask */
|
0x0000ffff, /* src_mask */
|
0x0000ffff, /* dst_mask */
|
0x0000ffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
HOWTO (R_VRT32, /* type */
|
HOWTO (R_VRT32, /* type */
|
00, /* rightshift */
|
00, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
m88k_special_reloc, /* special_function */
|
m88k_special_reloc, /* special_function */
|
"VRT32", /* name */
|
"VRT32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0xffffffff, /* src_mask */
|
0xffffffff, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
};
|
};
|
|
|
/* Code to turn an external r_type into a pointer to an entry in the
|
/* Code to turn an external r_type into a pointer to an entry in the
|
above howto table. */
|
above howto table. */
|
static void
|
static void
|
rtype2howto (cache_ptr, dst)
|
rtype2howto (cache_ptr, dst)
|
arelent *cache_ptr;
|
arelent *cache_ptr;
|
struct internal_reloc *dst;
|
struct internal_reloc *dst;
|
{
|
{
|
if (dst->r_type >= R_PCR16L && dst->r_type <= R_VRT32)
|
if (dst->r_type >= R_PCR16L && dst->r_type <= R_VRT32)
|
{
|
{
|
cache_ptr->howto = howto_table + dst->r_type - R_PCR16L;
|
cache_ptr->howto = howto_table + dst->r_type - R_PCR16L;
|
}
|
}
|
else
|
else
|
{
|
{
|
BFD_ASSERT (0);
|
BFD_ASSERT (0);
|
}
|
}
|
}
|
}
|
|
|
#define RTYPE2HOWTO(cache_ptr, dst) rtype2howto (cache_ptr, dst)
|
#define RTYPE2HOWTO(cache_ptr, dst) rtype2howto (cache_ptr, dst)
|
|
|
/* Code to swap in the reloc offset */
|
/* Code to swap in the reloc offset */
|
#define SWAP_IN_RELOC_OFFSET H_GET_16
|
#define SWAP_IN_RELOC_OFFSET H_GET_16
|
#define SWAP_OUT_RELOC_OFFSET H_PUT_16
|
#define SWAP_OUT_RELOC_OFFSET H_PUT_16
|
|
|
#define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \
|
#define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \
|
reloc_processing(relent, reloc, symbols, abfd, section)
|
reloc_processing(relent, reloc, symbols, abfd, section)
|
|
|
static void
|
static void
|
reloc_processing (relent, reloc, symbols, abfd, section)
|
reloc_processing (relent, reloc, symbols, abfd, section)
|
arelent *relent;
|
arelent *relent;
|
struct internal_reloc *reloc;
|
struct internal_reloc *reloc;
|
asymbol **symbols;
|
asymbol **symbols;
|
bfd *abfd;
|
bfd *abfd;
|
asection *section;
|
asection *section;
|
{
|
{
|
relent->address = reloc->r_vaddr;
|
relent->address = reloc->r_vaddr;
|
rtype2howto (relent, reloc);
|
rtype2howto (relent, reloc);
|
|
|
if (((int) reloc->r_symndx) > 0)
|
if (((int) reloc->r_symndx) > 0)
|
{
|
{
|
relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
|
relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
|
}
|
}
|
else
|
else
|
{
|
{
|
relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
|
relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
|
}
|
}
|
|
|
relent->addend = reloc->r_offset;
|
relent->addend = reloc->r_offset;
|
relent->address -= section->vma;
|
relent->address -= section->vma;
|
}
|
}
|
|
|
#define BADMAG(x) MC88BADMAG(x)
|
#define BADMAG(x) MC88BADMAG(x)
|
|
|
#ifndef bfd_pe_print_pdata
|
#ifndef bfd_pe_print_pdata
|
#define bfd_pe_print_pdata NULL
|
#define bfd_pe_print_pdata NULL
|
#endif
|
#endif
|
|
|
#include "coffcode.h"
|
#include "coffcode.h"
|
|
|
#undef coff_write_armap
|
#undef coff_write_armap
|
|
|
CREATE_BIG_COFF_TARGET_VEC (m88kbcs_vec, "coff-m88kbcs", 0, 0, '_', NULL, COFF_SWAP_TABLE)
|
CREATE_BIG_COFF_TARGET_VEC (m88kbcs_vec, "coff-m88kbcs", 0, 0, '_', NULL, COFF_SWAP_TABLE)
|
|
|
