/* BFD back-end for Renesas H8/300 COFF binaries.
|
/* BFD back-end for Renesas H8/300 COFF binaries.
|
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
|
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
|
2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
|
2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
|
Free Software Foundation, Inc.
|
Free Software Foundation, Inc.
|
Written by Steve Chamberlain, <sac@cygnus.com>.
|
Written by Steve Chamberlain, <sac@cygnus.com>.
|
|
|
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. */
|
|
|
#include "sysdep.h"
|
#include "sysdep.h"
|
#include "bfd.h"
|
#include "bfd.h"
|
#include "libbfd.h"
|
#include "libbfd.h"
|
#include "bfdlink.h"
|
#include "bfdlink.h"
|
#include "genlink.h"
|
#include "genlink.h"
|
#include "coff/h8300.h"
|
#include "coff/h8300.h"
|
#include "coff/internal.h"
|
#include "coff/internal.h"
|
#include "libcoff.h"
|
#include "libcoff.h"
|
#include "libiberty.h"
|
#include "libiberty.h"
|
|
|
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (1)
|
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (1)
|
|
|
/* We derive a hash table from the basic BFD hash table to
|
/* We derive a hash table from the basic BFD hash table to
|
hold entries in the function vector. Aside from the
|
hold entries in the function vector. Aside from the
|
info stored by the basic hash table, we need the offset
|
info stored by the basic hash table, we need the offset
|
of a particular entry within the hash table as well as
|
of a particular entry within the hash table as well as
|
the offset where we'll add the next entry. */
|
the offset where we'll add the next entry. */
|
|
|
struct funcvec_hash_entry
|
struct funcvec_hash_entry
|
{
|
{
|
/* The basic hash table entry. */
|
/* The basic hash table entry. */
|
struct bfd_hash_entry root;
|
struct bfd_hash_entry root;
|
|
|
/* The offset within the vectors section where
|
/* The offset within the vectors section where
|
this entry lives. */
|
this entry lives. */
|
bfd_vma offset;
|
bfd_vma offset;
|
};
|
};
|
|
|
struct funcvec_hash_table
|
struct funcvec_hash_table
|
{
|
{
|
/* The basic hash table. */
|
/* The basic hash table. */
|
struct bfd_hash_table root;
|
struct bfd_hash_table root;
|
|
|
bfd *abfd;
|
bfd *abfd;
|
|
|
/* Offset at which we'll add the next entry. */
|
/* Offset at which we'll add the next entry. */
|
unsigned int offset;
|
unsigned int offset;
|
};
|
};
|
|
|
static struct bfd_hash_entry *
|
static struct bfd_hash_entry *
|
funcvec_hash_newfunc
|
funcvec_hash_newfunc
|
(struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
|
(struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
|
|
|
static bfd_reloc_status_type special
|
static bfd_reloc_status_type special
|
(bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **);
|
(bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **);
|
static int select_reloc
|
static int select_reloc
|
(reloc_howto_type *);
|
(reloc_howto_type *);
|
static void rtype2howto
|
static void rtype2howto
|
(arelent *, struct internal_reloc *);
|
(arelent *, struct internal_reloc *);
|
static void reloc_processing
|
static void reloc_processing
|
(arelent *, struct internal_reloc *, asymbol **, bfd *, asection *);
|
(arelent *, struct internal_reloc *, asymbol **, bfd *, asection *);
|
static bfd_boolean h8300_symbol_address_p
|
static bfd_boolean h8300_symbol_address_p
|
(bfd *, asection *, bfd_vma);
|
(bfd *, asection *, bfd_vma);
|
static int h8300_reloc16_estimate
|
static int h8300_reloc16_estimate
|
(bfd *, asection *, arelent *, unsigned int,
|
(bfd *, asection *, arelent *, unsigned int,
|
struct bfd_link_info *);
|
struct bfd_link_info *);
|
static void h8300_reloc16_extra_cases
|
static void h8300_reloc16_extra_cases
|
(bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *,
|
(bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *,
|
bfd_byte *, unsigned int *, unsigned int *);
|
bfd_byte *, unsigned int *, unsigned int *);
|
static bfd_boolean h8300_bfd_link_add_symbols
|
static bfd_boolean h8300_bfd_link_add_symbols
|
(bfd *, struct bfd_link_info *);
|
(bfd *, struct bfd_link_info *);
|
|
|
/* To lookup a value in the function vector hash table. */
|
/* To lookup a value in the function vector hash table. */
|
#define funcvec_hash_lookup(table, string, create, copy) \
|
#define funcvec_hash_lookup(table, string, create, copy) \
|
((struct funcvec_hash_entry *) \
|
((struct funcvec_hash_entry *) \
|
bfd_hash_lookup (&(table)->root, (string), (create), (copy)))
|
bfd_hash_lookup (&(table)->root, (string), (create), (copy)))
|
|
|
/* The derived h8300 COFF linker table. Note it's derived from
|
/* The derived h8300 COFF linker table. Note it's derived from
|
the generic linker hash table, not the COFF backend linker hash
|
the generic linker hash table, not the COFF backend linker hash
|
table! We use this to attach additional data structures we
|
table! We use this to attach additional data structures we
|
need while linking on the h8300. */
|
need while linking on the h8300. */
|
struct h8300_coff_link_hash_table {
|
struct h8300_coff_link_hash_table {
|
/* The main hash table. */
|
/* The main hash table. */
|
struct generic_link_hash_table root;
|
struct generic_link_hash_table root;
|
|
|
/* Section for the vectors table. This gets attached to a
|
/* Section for the vectors table. This gets attached to a
|
random input bfd, we keep it here for easy access. */
|
random input bfd, we keep it here for easy access. */
|
asection *vectors_sec;
|
asection *vectors_sec;
|
|
|
/* Hash table of the functions we need to enter into the function
|
/* Hash table of the functions we need to enter into the function
|
vector. */
|
vector. */
|
struct funcvec_hash_table *funcvec_hash_table;
|
struct funcvec_hash_table *funcvec_hash_table;
|
};
|
};
|
|
|
static struct bfd_link_hash_table *h8300_coff_link_hash_table_create (bfd *);
|
static struct bfd_link_hash_table *h8300_coff_link_hash_table_create (bfd *);
|
|
|
/* Get the H8/300 COFF linker hash table from a link_info structure. */
|
/* Get the H8/300 COFF linker hash table from a link_info structure. */
|
|
|
#define h8300_coff_hash_table(p) \
|
#define h8300_coff_hash_table(p) \
|
((struct h8300_coff_link_hash_table *) ((coff_hash_table (p))))
|
((struct h8300_coff_link_hash_table *) ((coff_hash_table (p))))
|
|
|
/* Initialize fields within a funcvec hash table entry. Called whenever
|
/* Initialize fields within a funcvec hash table entry. Called whenever
|
a new entry is added to the funcvec hash table. */
|
a new entry is added to the funcvec hash table. */
|
|
|
static struct bfd_hash_entry *
|
static struct bfd_hash_entry *
|
funcvec_hash_newfunc (struct bfd_hash_entry *entry,
|
funcvec_hash_newfunc (struct bfd_hash_entry *entry,
|
struct bfd_hash_table *gen_table,
|
struct bfd_hash_table *gen_table,
|
const char *string)
|
const char *string)
|
{
|
{
|
struct funcvec_hash_entry *ret;
|
struct funcvec_hash_entry *ret;
|
struct funcvec_hash_table *table;
|
struct funcvec_hash_table *table;
|
|
|
ret = (struct funcvec_hash_entry *) entry;
|
ret = (struct funcvec_hash_entry *) entry;
|
table = (struct funcvec_hash_table *) gen_table;
|
table = (struct funcvec_hash_table *) gen_table;
|
|
|
/* Allocate the structure if it has not already been allocated by a
|
/* Allocate the structure if it has not already been allocated by a
|
subclass. */
|
subclass. */
|
if (ret == NULL)
|
if (ret == NULL)
|
ret = ((struct funcvec_hash_entry *)
|
ret = ((struct funcvec_hash_entry *)
|
bfd_hash_allocate (gen_table,
|
bfd_hash_allocate (gen_table,
|
sizeof (struct funcvec_hash_entry)));
|
sizeof (struct funcvec_hash_entry)));
|
if (ret == NULL)
|
if (ret == NULL)
|
return NULL;
|
return NULL;
|
|
|
/* Call the allocation method of the superclass. */
|
/* Call the allocation method of the superclass. */
|
ret = ((struct funcvec_hash_entry *)
|
ret = ((struct funcvec_hash_entry *)
|
bfd_hash_newfunc ((struct bfd_hash_entry *) ret, gen_table, string));
|
bfd_hash_newfunc ((struct bfd_hash_entry *) ret, gen_table, string));
|
|
|
if (ret == NULL)
|
if (ret == NULL)
|
return NULL;
|
return NULL;
|
|
|
/* Note where this entry will reside in the function vector table. */
|
/* Note where this entry will reside in the function vector table. */
|
ret->offset = table->offset;
|
ret->offset = table->offset;
|
|
|
/* Bump the offset at which we store entries in the function
|
/* Bump the offset at which we store entries in the function
|
vector. We'd like to bump up the size of the vectors section,
|
vector. We'd like to bump up the size of the vectors section,
|
but it's not easily available here. */
|
but it's not easily available here. */
|
switch (bfd_get_mach (table->abfd))
|
switch (bfd_get_mach (table->abfd))
|
{
|
{
|
case bfd_mach_h8300:
|
case bfd_mach_h8300:
|
case bfd_mach_h8300hn:
|
case bfd_mach_h8300hn:
|
case bfd_mach_h8300sn:
|
case bfd_mach_h8300sn:
|
table->offset += 2;
|
table->offset += 2;
|
break;
|
break;
|
case bfd_mach_h8300h:
|
case bfd_mach_h8300h:
|
case bfd_mach_h8300s:
|
case bfd_mach_h8300s:
|
table->offset += 4;
|
table->offset += 4;
|
break;
|
break;
|
default:
|
default:
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Everything went OK. */
|
/* Everything went OK. */
|
return (struct bfd_hash_entry *) ret;
|
return (struct bfd_hash_entry *) ret;
|
}
|
}
|
|
|
/* Initialize the function vector hash table. */
|
/* Initialize the function vector hash table. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
funcvec_hash_table_init (struct funcvec_hash_table *table,
|
funcvec_hash_table_init (struct funcvec_hash_table *table,
|
bfd *abfd,
|
bfd *abfd,
|
struct bfd_hash_entry *(*newfunc)
|
struct bfd_hash_entry *(*newfunc)
|
(struct bfd_hash_entry *,
|
(struct bfd_hash_entry *,
|
struct bfd_hash_table *,
|
struct bfd_hash_table *,
|
const char *),
|
const char *),
|
unsigned int entsize)
|
unsigned int entsize)
|
{
|
{
|
/* Initialize our local fields, then call the generic initialization
|
/* Initialize our local fields, then call the generic initialization
|
routine. */
|
routine. */
|
table->offset = 0;
|
table->offset = 0;
|
table->abfd = abfd;
|
table->abfd = abfd;
|
return (bfd_hash_table_init (&table->root, newfunc, entsize));
|
return (bfd_hash_table_init (&table->root, newfunc, entsize));
|
}
|
}
|
|
|
/* Create the derived linker hash table. We use a derived hash table
|
/* Create the derived linker hash table. We use a derived hash table
|
basically to hold "static" information during an H8/300 coff link
|
basically to hold "static" information during an H8/300 coff link
|
without using static variables. */
|
without using static variables. */
|
|
|
static struct bfd_link_hash_table *
|
static struct bfd_link_hash_table *
|
h8300_coff_link_hash_table_create (bfd *abfd)
|
h8300_coff_link_hash_table_create (bfd *abfd)
|
{
|
{
|
struct h8300_coff_link_hash_table *ret;
|
struct h8300_coff_link_hash_table *ret;
|
bfd_size_type amt = sizeof (struct h8300_coff_link_hash_table);
|
bfd_size_type amt = sizeof (struct h8300_coff_link_hash_table);
|
|
|
ret = (struct h8300_coff_link_hash_table *) bfd_malloc (amt);
|
ret = (struct h8300_coff_link_hash_table *) bfd_malloc (amt);
|
if (ret == NULL)
|
if (ret == NULL)
|
return NULL;
|
return NULL;
|
if (!_bfd_link_hash_table_init (&ret->root.root, abfd,
|
if (!_bfd_link_hash_table_init (&ret->root.root, abfd,
|
_bfd_generic_link_hash_newfunc,
|
_bfd_generic_link_hash_newfunc,
|
sizeof (struct generic_link_hash_entry)))
|
sizeof (struct generic_link_hash_entry)))
|
{
|
{
|
free (ret);
|
free (ret);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Initialize our data. */
|
/* Initialize our data. */
|
ret->vectors_sec = NULL;
|
ret->vectors_sec = NULL;
|
ret->funcvec_hash_table = NULL;
|
ret->funcvec_hash_table = NULL;
|
|
|
/* OK. Everything's initialized, return the base pointer. */
|
/* OK. Everything's initialized, return the base pointer. */
|
return &ret->root.root;
|
return &ret->root.root;
|
}
|
}
|
|
|
/* Special handling for H8/300 relocs.
|
/* Special handling for H8/300 relocs.
|
We only come here for pcrel stuff and return normally if not an -r link.
|
We only come here for pcrel stuff and return normally if not an -r link.
|
When doing -r, we can't do any arithmetic for the pcrel stuff, because
|
When doing -r, we can't do any arithmetic for the pcrel stuff, because
|
the code in reloc.c assumes that we can manipulate the targets of
|
the code in reloc.c assumes that we can manipulate the targets of
|
the pcrel branches. This isn't so, since the H8/300 can do relaxing,
|
the pcrel branches. This isn't so, since the H8/300 can do relaxing,
|
which means that the gap after the instruction may not be enough to
|
which means that the gap after the instruction may not be enough to
|
contain the offset required for the branch, so we have to use only
|
contain the offset required for the branch, so we have to use only
|
the addend until the final link. */
|
the addend until the final link. */
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
special (bfd *abfd ATTRIBUTE_UNUSED,
|
special (bfd *abfd ATTRIBUTE_UNUSED,
|
arelent *reloc_entry ATTRIBUTE_UNUSED,
|
arelent *reloc_entry ATTRIBUTE_UNUSED,
|
asymbol *symbol ATTRIBUTE_UNUSED,
|
asymbol *symbol ATTRIBUTE_UNUSED,
|
PTR data ATTRIBUTE_UNUSED,
|
PTR data ATTRIBUTE_UNUSED,
|
asection *input_section ATTRIBUTE_UNUSED,
|
asection *input_section ATTRIBUTE_UNUSED,
|
bfd *output_bfd,
|
bfd *output_bfd,
|
char **error_message ATTRIBUTE_UNUSED)
|
char **error_message ATTRIBUTE_UNUSED)
|
{
|
{
|
if (output_bfd == (bfd *) NULL)
|
if (output_bfd == (bfd *) NULL)
|
return bfd_reloc_continue;
|
return bfd_reloc_continue;
|
|
|
/* Adjust the reloc address to that in the output section. */
|
/* Adjust the reloc address to that in the output section. */
|
reloc_entry->address += input_section->output_offset;
|
reloc_entry->address += input_section->output_offset;
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
}
|
}
|
|
|
static reloc_howto_type howto_table[] = {
|
static reloc_howto_type howto_table[] = {
|
HOWTO (R_RELBYTE, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, special, "8", FALSE, 0x000000ff, 0x000000ff, FALSE),
|
HOWTO (R_RELBYTE, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, special, "8", FALSE, 0x000000ff, 0x000000ff, FALSE),
|
HOWTO (R_RELWORD, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, special, "16", FALSE, 0x0000ffff, 0x0000ffff, FALSE),
|
HOWTO (R_RELWORD, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, special, "16", FALSE, 0x0000ffff, 0x0000ffff, FALSE),
|
HOWTO (R_RELLONG, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, special, "32", FALSE, 0xffffffff, 0xffffffff, FALSE),
|
HOWTO (R_RELLONG, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, special, "32", FALSE, 0xffffffff, 0xffffffff, FALSE),
|
HOWTO (R_PCRBYTE, 0, 0, 8, TRUE, 0, complain_overflow_signed, special, "DISP8", FALSE, 0x000000ff, 0x000000ff, TRUE),
|
HOWTO (R_PCRBYTE, 0, 0, 8, TRUE, 0, complain_overflow_signed, special, "DISP8", FALSE, 0x000000ff, 0x000000ff, TRUE),
|
HOWTO (R_PCRWORD, 0, 1, 16, TRUE, 0, complain_overflow_signed, special, "DISP16", FALSE, 0x0000ffff, 0x0000ffff, TRUE),
|
HOWTO (R_PCRWORD, 0, 1, 16, TRUE, 0, complain_overflow_signed, special, "DISP16", FALSE, 0x0000ffff, 0x0000ffff, TRUE),
|
HOWTO (R_PCRLONG, 0, 2, 32, TRUE, 0, complain_overflow_signed, special, "DISP32", FALSE, 0xffffffff, 0xffffffff, TRUE),
|
HOWTO (R_PCRLONG, 0, 2, 32, TRUE, 0, complain_overflow_signed, special, "DISP32", FALSE, 0xffffffff, 0xffffffff, TRUE),
|
HOWTO (R_MOV16B1, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, special, "relaxable mov.b:16", FALSE, 0x0000ffff, 0x0000ffff, FALSE),
|
HOWTO (R_MOV16B1, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, special, "relaxable mov.b:16", FALSE, 0x0000ffff, 0x0000ffff, FALSE),
|
HOWTO (R_MOV16B2, 0, 1, 8, FALSE, 0, complain_overflow_bitfield, special, "relaxed mov.b:16", FALSE, 0x000000ff, 0x000000ff, FALSE),
|
HOWTO (R_MOV16B2, 0, 1, 8, FALSE, 0, complain_overflow_bitfield, special, "relaxed mov.b:16", FALSE, 0x000000ff, 0x000000ff, FALSE),
|
HOWTO (R_JMP1, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, special, "16/pcrel", FALSE, 0x0000ffff, 0x0000ffff, FALSE),
|
HOWTO (R_JMP1, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, special, "16/pcrel", FALSE, 0x0000ffff, 0x0000ffff, FALSE),
|
HOWTO (R_JMP2, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, special, "pcrecl/16", FALSE, 0x000000ff, 0x000000ff, FALSE),
|
HOWTO (R_JMP2, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, special, "pcrecl/16", FALSE, 0x000000ff, 0x000000ff, FALSE),
|
HOWTO (R_JMPL1, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, special, "24/pcrell", FALSE, 0x00ffffff, 0x00ffffff, FALSE),
|
HOWTO (R_JMPL1, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, special, "24/pcrell", FALSE, 0x00ffffff, 0x00ffffff, FALSE),
|
HOWTO (R_JMPL2, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, special, "pc8/24", FALSE, 0x000000ff, 0x000000ff, FALSE),
|
HOWTO (R_JMPL2, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, special, "pc8/24", FALSE, 0x000000ff, 0x000000ff, FALSE),
|
HOWTO (R_MOV24B1, 0, 1, 32, FALSE, 0, complain_overflow_bitfield, special, "relaxable mov.b:24", FALSE, 0xffffffff, 0xffffffff, FALSE),
|
HOWTO (R_MOV24B1, 0, 1, 32, FALSE, 0, complain_overflow_bitfield, special, "relaxable mov.b:24", FALSE, 0xffffffff, 0xffffffff, FALSE),
|
HOWTO (R_MOV24B2, 0, 1, 8, FALSE, 0, complain_overflow_bitfield, special, "relaxed mov.b:24", FALSE, 0x0000ffff, 0x0000ffff, FALSE),
|
HOWTO (R_MOV24B2, 0, 1, 8, FALSE, 0, complain_overflow_bitfield, special, "relaxed mov.b:24", FALSE, 0x0000ffff, 0x0000ffff, FALSE),
|
|
|
/* An indirect reference to a function. This causes the function's address
|
/* An indirect reference to a function. This causes the function's address
|
to be added to the function vector in lo-mem and puts the address of
|
to be added to the function vector in lo-mem and puts the address of
|
the function vector's entry in the jsr instruction. */
|
the function vector's entry in the jsr instruction. */
|
HOWTO (R_MEM_INDIRECT, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, special, "8/indirect", FALSE, 0x000000ff, 0x000000ff, FALSE),
|
HOWTO (R_MEM_INDIRECT, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, special, "8/indirect", FALSE, 0x000000ff, 0x000000ff, FALSE),
|
|
|
/* Internal reloc for relaxing. This is created when a 16-bit pc-relative
|
/* Internal reloc for relaxing. This is created when a 16-bit pc-relative
|
branch is turned into an 8-bit pc-relative branch. */
|
branch is turned into an 8-bit pc-relative branch. */
|
HOWTO (R_PCRWORD_B, 0, 0, 8, TRUE, 0, complain_overflow_bitfield, special, "relaxed bCC:16", FALSE, 0x000000ff, 0x000000ff, FALSE),
|
HOWTO (R_PCRWORD_B, 0, 0, 8, TRUE, 0, complain_overflow_bitfield, special, "relaxed bCC:16", FALSE, 0x000000ff, 0x000000ff, FALSE),
|
|
|
HOWTO (R_MOVL1, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,special, "32/24 relaxable move", FALSE, 0xffffffff, 0xffffffff, FALSE),
|
HOWTO (R_MOVL1, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,special, "32/24 relaxable move", FALSE, 0xffffffff, 0xffffffff, FALSE),
|
|
|
HOWTO (R_MOVL2, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, special, "32/24 relaxed move", FALSE, 0x0000ffff, 0x0000ffff, FALSE),
|
HOWTO (R_MOVL2, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, special, "32/24 relaxed move", FALSE, 0x0000ffff, 0x0000ffff, FALSE),
|
|
|
HOWTO (R_BCC_INV, 0, 0, 8, TRUE, 0, complain_overflow_signed, special, "DISP8 inverted", FALSE, 0x000000ff, 0x000000ff, TRUE),
|
HOWTO (R_BCC_INV, 0, 0, 8, TRUE, 0, complain_overflow_signed, special, "DISP8 inverted", FALSE, 0x000000ff, 0x000000ff, TRUE),
|
|
|
HOWTO (R_JMP_DEL, 0, 0, 8, TRUE, 0, complain_overflow_signed, special, "Deleted jump", FALSE, 0x000000ff, 0x000000ff, TRUE),
|
HOWTO (R_JMP_DEL, 0, 0, 8, TRUE, 0, complain_overflow_signed, special, "Deleted jump", FALSE, 0x000000ff, 0x000000ff, TRUE),
|
};
|
};
|
|
|
/* Turn a howto into a reloc number. */
|
/* Turn a howto into a reloc number. */
|
|
|
#define SELECT_RELOC(x,howto) \
|
#define SELECT_RELOC(x,howto) \
|
{ x.r_type = select_reloc (howto); }
|
{ x.r_type = select_reloc (howto); }
|
|
|
#define BADMAG(x) (H8300BADMAG (x) && H8300HBADMAG (x) && H8300SBADMAG (x) \
|
#define BADMAG(x) (H8300BADMAG (x) && H8300HBADMAG (x) && H8300SBADMAG (x) \
|
&& H8300HNBADMAG(x) && H8300SNBADMAG(x))
|
&& H8300HNBADMAG(x) && H8300SNBADMAG(x))
|
#define H8300 1 /* Customize coffcode.h */
|
#define H8300 1 /* Customize coffcode.h */
|
#define __A_MAGIC_SET__
|
#define __A_MAGIC_SET__
|
|
|
/* Code to swap in the reloc. */
|
/* Code to swap in the reloc. */
|
#define SWAP_IN_RELOC_OFFSET H_GET_32
|
#define SWAP_IN_RELOC_OFFSET H_GET_32
|
#define SWAP_OUT_RELOC_OFFSET H_PUT_32
|
#define SWAP_OUT_RELOC_OFFSET H_PUT_32
|
#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
|
#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
|
dst->r_stuff[0] = 'S'; \
|
dst->r_stuff[0] = 'S'; \
|
dst->r_stuff[1] = 'C';
|
dst->r_stuff[1] = 'C';
|
|
|
static int
|
static int
|
select_reloc (reloc_howto_type *howto)
|
select_reloc (reloc_howto_type *howto)
|
{
|
{
|
return howto->type;
|
return howto->type;
|
}
|
}
|
|
|
/* Code to turn a r_type into a howto ptr, uses the above howto table. */
|
/* Code to turn a r_type into a howto ptr, uses the above howto table. */
|
|
|
static void
|
static void
|
rtype2howto (arelent *internal, struct internal_reloc *dst)
|
rtype2howto (arelent *internal, struct internal_reloc *dst)
|
{
|
{
|
switch (dst->r_type)
|
switch (dst->r_type)
|
{
|
{
|
case R_RELBYTE:
|
case R_RELBYTE:
|
internal->howto = howto_table + 0;
|
internal->howto = howto_table + 0;
|
break;
|
break;
|
case R_RELWORD:
|
case R_RELWORD:
|
internal->howto = howto_table + 1;
|
internal->howto = howto_table + 1;
|
break;
|
break;
|
case R_RELLONG:
|
case R_RELLONG:
|
internal->howto = howto_table + 2;
|
internal->howto = howto_table + 2;
|
break;
|
break;
|
case R_PCRBYTE:
|
case R_PCRBYTE:
|
internal->howto = howto_table + 3;
|
internal->howto = howto_table + 3;
|
break;
|
break;
|
case R_PCRWORD:
|
case R_PCRWORD:
|
internal->howto = howto_table + 4;
|
internal->howto = howto_table + 4;
|
break;
|
break;
|
case R_PCRLONG:
|
case R_PCRLONG:
|
internal->howto = howto_table + 5;
|
internal->howto = howto_table + 5;
|
break;
|
break;
|
case R_MOV16B1:
|
case R_MOV16B1:
|
internal->howto = howto_table + 6;
|
internal->howto = howto_table + 6;
|
break;
|
break;
|
case R_MOV16B2:
|
case R_MOV16B2:
|
internal->howto = howto_table + 7;
|
internal->howto = howto_table + 7;
|
break;
|
break;
|
case R_JMP1:
|
case R_JMP1:
|
internal->howto = howto_table + 8;
|
internal->howto = howto_table + 8;
|
break;
|
break;
|
case R_JMP2:
|
case R_JMP2:
|
internal->howto = howto_table + 9;
|
internal->howto = howto_table + 9;
|
break;
|
break;
|
case R_JMPL1:
|
case R_JMPL1:
|
internal->howto = howto_table + 10;
|
internal->howto = howto_table + 10;
|
break;
|
break;
|
case R_JMPL2:
|
case R_JMPL2:
|
internal->howto = howto_table + 11;
|
internal->howto = howto_table + 11;
|
break;
|
break;
|
case R_MOV24B1:
|
case R_MOV24B1:
|
internal->howto = howto_table + 12;
|
internal->howto = howto_table + 12;
|
break;
|
break;
|
case R_MOV24B2:
|
case R_MOV24B2:
|
internal->howto = howto_table + 13;
|
internal->howto = howto_table + 13;
|
break;
|
break;
|
case R_MEM_INDIRECT:
|
case R_MEM_INDIRECT:
|
internal->howto = howto_table + 14;
|
internal->howto = howto_table + 14;
|
break;
|
break;
|
case R_PCRWORD_B:
|
case R_PCRWORD_B:
|
internal->howto = howto_table + 15;
|
internal->howto = howto_table + 15;
|
break;
|
break;
|
case R_MOVL1:
|
case R_MOVL1:
|
internal->howto = howto_table + 16;
|
internal->howto = howto_table + 16;
|
break;
|
break;
|
case R_MOVL2:
|
case R_MOVL2:
|
internal->howto = howto_table + 17;
|
internal->howto = howto_table + 17;
|
break;
|
break;
|
case R_BCC_INV:
|
case R_BCC_INV:
|
internal->howto = howto_table + 18;
|
internal->howto = howto_table + 18;
|
break;
|
break;
|
case R_JMP_DEL:
|
case R_JMP_DEL:
|
internal->howto = howto_table + 19;
|
internal->howto = howto_table + 19;
|
break;
|
break;
|
default:
|
default:
|
abort ();
|
abort ();
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
#define RTYPE2HOWTO(internal, relocentry) rtype2howto (internal, relocentry)
|
#define RTYPE2HOWTO(internal, relocentry) rtype2howto (internal, relocentry)
|
|
|
/* Perform any necessary magic to the addend in a reloc entry. */
|
/* Perform any necessary magic to the addend in a reloc entry. */
|
|
|
#define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \
|
#define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \
|
cache_ptr->addend = ext_reloc.r_offset;
|
cache_ptr->addend = ext_reloc.r_offset;
|
|
|
#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 (arelent *relent, struct internal_reloc *reloc,
|
reloc_processing (arelent *relent, struct internal_reloc *reloc,
|
asymbol **symbols, bfd *abfd, asection *section)
|
asymbol **symbols, bfd *abfd, 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;
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
h8300_symbol_address_p (bfd *abfd, asection *input_section, bfd_vma address)
|
h8300_symbol_address_p (bfd *abfd, asection *input_section, bfd_vma address)
|
{
|
{
|
asymbol **s;
|
asymbol **s;
|
|
|
s = _bfd_generic_link_get_symbols (abfd);
|
s = _bfd_generic_link_get_symbols (abfd);
|
BFD_ASSERT (s != (asymbol **) NULL);
|
BFD_ASSERT (s != (asymbol **) NULL);
|
|
|
/* Search all the symbols for one in INPUT_SECTION with
|
/* Search all the symbols for one in INPUT_SECTION with
|
address ADDRESS. */
|
address ADDRESS. */
|
while (*s)
|
while (*s)
|
{
|
{
|
asymbol *p = *s;
|
asymbol *p = *s;
|
|
|
if (p->section == input_section
|
if (p->section == input_section
|
&& (input_section->output_section->vma
|
&& (input_section->output_section->vma
|
+ input_section->output_offset
|
+ input_section->output_offset
|
+ p->value) == address)
|
+ p->value) == address)
|
return TRUE;
|
return TRUE;
|
s++;
|
s++;
|
}
|
}
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* If RELOC represents a relaxable instruction/reloc, change it into
|
/* If RELOC represents a relaxable instruction/reloc, change it into
|
the relaxed reloc, notify the linker that symbol addresses
|
the relaxed reloc, notify the linker that symbol addresses
|
have changed (bfd_perform_slip) and return how much the current
|
have changed (bfd_perform_slip) and return how much the current
|
section has shrunk by.
|
section has shrunk by.
|
|
|
FIXME: Much of this code has knowledge of the ordering of entries
|
FIXME: Much of this code has knowledge of the ordering of entries
|
in the howto table. This needs to be fixed. */
|
in the howto table. This needs to be fixed. */
|
|
|
static int
|
static int
|
h8300_reloc16_estimate (bfd *abfd, asection *input_section, arelent *reloc,
|
h8300_reloc16_estimate (bfd *abfd, asection *input_section, arelent *reloc,
|
unsigned int shrink, struct bfd_link_info *link_info)
|
unsigned int shrink, struct bfd_link_info *link_info)
|
{
|
{
|
bfd_vma value;
|
bfd_vma value;
|
bfd_vma dot;
|
bfd_vma dot;
|
bfd_vma gap;
|
bfd_vma gap;
|
static asection *last_input_section = NULL;
|
static asection *last_input_section = NULL;
|
static arelent *last_reloc = NULL;
|
static arelent *last_reloc = NULL;
|
|
|
/* The address of the thing to be relocated will have moved back by
|
/* The address of the thing to be relocated will have moved back by
|
the size of the shrink - but we don't change reloc->address here,
|
the size of the shrink - but we don't change reloc->address here,
|
since we need it to know where the relocation lives in the source
|
since we need it to know where the relocation lives in the source
|
uncooked section. */
|
uncooked section. */
|
bfd_vma address = reloc->address - shrink;
|
bfd_vma address = reloc->address - shrink;
|
|
|
if (input_section != last_input_section)
|
if (input_section != last_input_section)
|
last_reloc = NULL;
|
last_reloc = NULL;
|
|
|
/* Only examine the relocs which might be relaxable. */
|
/* Only examine the relocs which might be relaxable. */
|
switch (reloc->howto->type)
|
switch (reloc->howto->type)
|
{
|
{
|
/* This is the 16-/24-bit absolute branch which could become an
|
/* This is the 16-/24-bit absolute branch which could become an
|
8-bit pc-relative branch. */
|
8-bit pc-relative branch. */
|
case R_JMP1:
|
case R_JMP1:
|
case R_JMPL1:
|
case R_JMPL1:
|
/* Get the address of the target of this branch. */
|
/* Get the address of the target of this branch. */
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
|
|
/* Get the address of the next instruction (not the reloc). */
|
/* Get the address of the next instruction (not the reloc). */
|
dot = (input_section->output_section->vma
|
dot = (input_section->output_section->vma
|
+ input_section->output_offset + address);
|
+ input_section->output_offset + address);
|
|
|
/* Adjust for R_JMP1 vs R_JMPL1. */
|
/* Adjust for R_JMP1 vs R_JMPL1. */
|
dot += (reloc->howto->type == R_JMP1 ? 1 : 2);
|
dot += (reloc->howto->type == R_JMP1 ? 1 : 2);
|
|
|
/* Compute the distance from this insn to the branch target. */
|
/* Compute the distance from this insn to the branch target. */
|
gap = value - dot;
|
gap = value - dot;
|
|
|
/* If the distance is within -128..+128 inclusive, then we can relax
|
/* If the distance is within -128..+128 inclusive, then we can relax
|
this jump. +128 is valid since the target will move two bytes
|
this jump. +128 is valid since the target will move two bytes
|
closer if we do relax this branch. */
|
closer if we do relax this branch. */
|
if ((int) gap >= -128 && (int) gap <= 128)
|
if ((int) gap >= -128 && (int) gap <= 128)
|
{
|
{
|
bfd_byte code;
|
bfd_byte code;
|
|
|
if (!bfd_get_section_contents (abfd, input_section, & code,
|
if (!bfd_get_section_contents (abfd, input_section, & code,
|
reloc->address, 1))
|
reloc->address, 1))
|
break;
|
break;
|
code = bfd_get_8 (abfd, & code);
|
code = bfd_get_8 (abfd, & code);
|
|
|
/* It's possible we may be able to eliminate this branch entirely;
|
/* It's possible we may be able to eliminate this branch entirely;
|
if the previous instruction is a branch around this instruction,
|
if the previous instruction is a branch around this instruction,
|
and there's no label at this instruction, then we can reverse
|
and there's no label at this instruction, then we can reverse
|
the condition on the previous branch and eliminate this jump.
|
the condition on the previous branch and eliminate this jump.
|
|
|
original: new:
|
original: new:
|
bCC lab1 bCC' lab2
|
bCC lab1 bCC' lab2
|
jmp lab2
|
jmp lab2
|
lab1: lab1:
|
lab1: lab1:
|
|
|
This saves 4 bytes instead of two, and should be relatively
|
This saves 4 bytes instead of two, and should be relatively
|
common.
|
common.
|
|
|
Only perform this optimisation for jumps (code 0x5a) not
|
Only perform this optimisation for jumps (code 0x5a) not
|
subroutine calls, as otherwise it could transform:
|
subroutine calls, as otherwise it could transform:
|
|
|
mov.w r0,r0
|
mov.w r0,r0
|
beq .L1
|
beq .L1
|
jsr @_bar
|
jsr @_bar
|
.L1: rts
|
.L1: rts
|
_bar: rts
|
_bar: rts
|
into:
|
into:
|
mov.w r0,r0
|
mov.w r0,r0
|
bne _bar
|
bne _bar
|
rts
|
rts
|
_bar: rts
|
_bar: rts
|
|
|
which changes the call (jsr) into a branch (bne). */
|
which changes the call (jsr) into a branch (bne). */
|
if (code == 0x5a
|
if (code == 0x5a
|
&& gap <= 126
|
&& gap <= 126
|
&& last_reloc
|
&& last_reloc
|
&& last_reloc->howto->type == R_PCRBYTE)
|
&& last_reloc->howto->type == R_PCRBYTE)
|
{
|
{
|
bfd_vma last_value;
|
bfd_vma last_value;
|
last_value = bfd_coff_reloc16_get_value (last_reloc, link_info,
|
last_value = bfd_coff_reloc16_get_value (last_reloc, link_info,
|
input_section) + 1;
|
input_section) + 1;
|
|
|
if (last_value == dot + 2
|
if (last_value == dot + 2
|
&& last_reloc->address + 1 == reloc->address
|
&& last_reloc->address + 1 == reloc->address
|
&& !h8300_symbol_address_p (abfd, input_section, dot - 2))
|
&& !h8300_symbol_address_p (abfd, input_section, dot - 2))
|
{
|
{
|
reloc->howto = howto_table + 19;
|
reloc->howto = howto_table + 19;
|
last_reloc->howto = howto_table + 18;
|
last_reloc->howto = howto_table + 18;
|
last_reloc->sym_ptr_ptr = reloc->sym_ptr_ptr;
|
last_reloc->sym_ptr_ptr = reloc->sym_ptr_ptr;
|
last_reloc->addend = reloc->addend;
|
last_reloc->addend = reloc->addend;
|
shrink += 4;
|
shrink += 4;
|
bfd_perform_slip (abfd, 4, input_section, address);
|
bfd_perform_slip (abfd, 4, input_section, address);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
/* Change the reloc type. */
|
/* Change the reloc type. */
|
reloc->howto = reloc->howto + 1;
|
reloc->howto = reloc->howto + 1;
|
|
|
/* This shrinks this section by two bytes. */
|
/* This shrinks this section by two bytes. */
|
shrink += 2;
|
shrink += 2;
|
bfd_perform_slip (abfd, 2, input_section, address);
|
bfd_perform_slip (abfd, 2, input_section, address);
|
}
|
}
|
break;
|
break;
|
|
|
/* This is the 16-bit pc-relative branch which could become an 8-bit
|
/* This is the 16-bit pc-relative branch which could become an 8-bit
|
pc-relative branch. */
|
pc-relative branch. */
|
case R_PCRWORD:
|
case R_PCRWORD:
|
/* Get the address of the target of this branch, add one to the value
|
/* Get the address of the target of this branch, add one to the value
|
because the addend field in PCrel jumps is off by -1. */
|
because the addend field in PCrel jumps is off by -1. */
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section) + 1;
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section) + 1;
|
|
|
/* Get the address of the next instruction if we were to relax. */
|
/* Get the address of the next instruction if we were to relax. */
|
dot = input_section->output_section->vma +
|
dot = input_section->output_section->vma +
|
input_section->output_offset + address;
|
input_section->output_offset + address;
|
|
|
/* Compute the distance from this insn to the branch target. */
|
/* Compute the distance from this insn to the branch target. */
|
gap = value - dot;
|
gap = value - dot;
|
|
|
/* If the distance is within -128..+128 inclusive, then we can relax
|
/* If the distance is within -128..+128 inclusive, then we can relax
|
this jump. +128 is valid since the target will move two bytes
|
this jump. +128 is valid since the target will move two bytes
|
closer if we do relax this branch. */
|
closer if we do relax this branch. */
|
if ((int) gap >= -128 && (int) gap <= 128)
|
if ((int) gap >= -128 && (int) gap <= 128)
|
{
|
{
|
/* Change the reloc type. */
|
/* Change the reloc type. */
|
reloc->howto = howto_table + 15;
|
reloc->howto = howto_table + 15;
|
|
|
/* This shrinks this section by two bytes. */
|
/* This shrinks this section by two bytes. */
|
shrink += 2;
|
shrink += 2;
|
bfd_perform_slip (abfd, 2, input_section, address);
|
bfd_perform_slip (abfd, 2, input_section, address);
|
}
|
}
|
break;
|
break;
|
|
|
/* This is a 16-bit absolute address in a mov.b insn, which can
|
/* This is a 16-bit absolute address in a mov.b insn, which can
|
become an 8-bit absolute address if it's in the right range. */
|
become an 8-bit absolute address if it's in the right range. */
|
case R_MOV16B1:
|
case R_MOV16B1:
|
/* Get the address of the data referenced by this mov.b insn. */
|
/* Get the address of the data referenced by this mov.b insn. */
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_h8300_pad_address (abfd, value);
|
value = bfd_h8300_pad_address (abfd, value);
|
|
|
/* If the address is in the top 256 bytes of the address space
|
/* If the address is in the top 256 bytes of the address space
|
then we can relax this instruction. */
|
then we can relax this instruction. */
|
if (value >= 0xffffff00u)
|
if (value >= 0xffffff00u)
|
{
|
{
|
/* Change the reloc type. */
|
/* Change the reloc type. */
|
reloc->howto = reloc->howto + 1;
|
reloc->howto = reloc->howto + 1;
|
|
|
/* This shrinks this section by two bytes. */
|
/* This shrinks this section by two bytes. */
|
shrink += 2;
|
shrink += 2;
|
bfd_perform_slip (abfd, 2, input_section, address);
|
bfd_perform_slip (abfd, 2, input_section, address);
|
}
|
}
|
break;
|
break;
|
|
|
/* Similarly for a 24-bit absolute address in a mov.b. Note that
|
/* Similarly for a 24-bit absolute address in a mov.b. Note that
|
if we can't relax this into an 8-bit absolute, we'll fall through
|
if we can't relax this into an 8-bit absolute, we'll fall through
|
and try to relax it into a 16-bit absolute. */
|
and try to relax it into a 16-bit absolute. */
|
case R_MOV24B1:
|
case R_MOV24B1:
|
/* Get the address of the data referenced by this mov.b insn. */
|
/* Get the address of the data referenced by this mov.b insn. */
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_h8300_pad_address (abfd, value);
|
value = bfd_h8300_pad_address (abfd, value);
|
|
|
if (value >= 0xffffff00u)
|
if (value >= 0xffffff00u)
|
{
|
{
|
/* Change the reloc type. */
|
/* Change the reloc type. */
|
reloc->howto = reloc->howto + 1;
|
reloc->howto = reloc->howto + 1;
|
|
|
/* This shrinks this section by four bytes. */
|
/* This shrinks this section by four bytes. */
|
shrink += 4;
|
shrink += 4;
|
bfd_perform_slip (abfd, 4, input_section, address);
|
bfd_perform_slip (abfd, 4, input_section, address);
|
|
|
/* Done with this reloc. */
|
/* Done with this reloc. */
|
break;
|
break;
|
}
|
}
|
|
|
/* FALLTHROUGH and try to turn the 24-/32-bit reloc into a 16-bit
|
/* FALLTHROUGH and try to turn the 24-/32-bit reloc into a 16-bit
|
reloc. */
|
reloc. */
|
|
|
/* This is a 24-/32-bit absolute address in a mov insn, which can
|
/* This is a 24-/32-bit absolute address in a mov insn, which can
|
become an 16-bit absolute address if it's in the right range. */
|
become an 16-bit absolute address if it's in the right range. */
|
case R_MOVL1:
|
case R_MOVL1:
|
/* Get the address of the data referenced by this mov insn. */
|
/* Get the address of the data referenced by this mov insn. */
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_h8300_pad_address (abfd, value);
|
value = bfd_h8300_pad_address (abfd, value);
|
|
|
/* If the address is a sign-extended 16-bit value then we can
|
/* If the address is a sign-extended 16-bit value then we can
|
relax this instruction. */
|
relax this instruction. */
|
if (value <= 0x7fff || value >= 0xffff8000u)
|
if (value <= 0x7fff || value >= 0xffff8000u)
|
{
|
{
|
/* Change the reloc type. */
|
/* Change the reloc type. */
|
reloc->howto = howto_table + 17;
|
reloc->howto = howto_table + 17;
|
|
|
/* This shrinks this section by two bytes. */
|
/* This shrinks this section by two bytes. */
|
shrink += 2;
|
shrink += 2;
|
bfd_perform_slip (abfd, 2, input_section, address);
|
bfd_perform_slip (abfd, 2, input_section, address);
|
}
|
}
|
break;
|
break;
|
|
|
/* No other reloc types represent relaxing opportunities. */
|
/* No other reloc types represent relaxing opportunities. */
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
|
|
last_reloc = reloc;
|
last_reloc = reloc;
|
last_input_section = input_section;
|
last_input_section = input_section;
|
return shrink;
|
return shrink;
|
}
|
}
|
|
|
/* Handle relocations for the H8/300, including relocs for relaxed
|
/* Handle relocations for the H8/300, including relocs for relaxed
|
instructions.
|
instructions.
|
|
|
FIXME: Not all relocations check for overflow! */
|
FIXME: Not all relocations check for overflow! */
|
|
|
static void
|
static void
|
h8300_reloc16_extra_cases (bfd *abfd, struct bfd_link_info *link_info,
|
h8300_reloc16_extra_cases (bfd *abfd, struct bfd_link_info *link_info,
|
struct bfd_link_order *link_order, arelent *reloc,
|
struct bfd_link_order *link_order, arelent *reloc,
|
bfd_byte *data, unsigned int *src_ptr,
|
bfd_byte *data, unsigned int *src_ptr,
|
unsigned int *dst_ptr)
|
unsigned int *dst_ptr)
|
{
|
{
|
unsigned int src_address = *src_ptr;
|
unsigned int src_address = *src_ptr;
|
unsigned int dst_address = *dst_ptr;
|
unsigned int dst_address = *dst_ptr;
|
asection *input_section = link_order->u.indirect.section;
|
asection *input_section = link_order->u.indirect.section;
|
bfd_vma value;
|
bfd_vma value;
|
bfd_vma dot;
|
bfd_vma dot;
|
int gap, tmp;
|
int gap, tmp;
|
unsigned char temp_code;
|
unsigned char temp_code;
|
|
|
switch (reloc->howto->type)
|
switch (reloc->howto->type)
|
{
|
{
|
/* Generic 8-bit pc-relative relocation. */
|
/* Generic 8-bit pc-relative relocation. */
|
case R_PCRBYTE:
|
case R_PCRBYTE:
|
/* Get the address of the target of this branch. */
|
/* Get the address of the target of this branch. */
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
|
|
dot = (input_section->output_offset
|
dot = (input_section->output_offset
|
+ dst_address
|
+ dst_address
|
+ link_order->u.indirect.section->output_section->vma);
|
+ link_order->u.indirect.section->output_section->vma);
|
|
|
gap = value - dot;
|
gap = value - dot;
|
|
|
/* Sanity check. */
|
/* Sanity check. */
|
if (gap < -128 || gap > 126)
|
if (gap < -128 || gap > 126)
|
{
|
{
|
if (! ((*link_info->callbacks->reloc_overflow)
|
if (! ((*link_info->callbacks->reloc_overflow)
|
(link_info, NULL,
|
(link_info, NULL,
|
bfd_asymbol_name (*reloc->sym_ptr_ptr),
|
bfd_asymbol_name (*reloc->sym_ptr_ptr),
|
reloc->howto->name, reloc->addend, input_section->owner,
|
reloc->howto->name, reloc->addend, input_section->owner,
|
input_section, reloc->address)))
|
input_section, reloc->address)))
|
abort ();
|
abort ();
|
}
|
}
|
|
|
/* Everything looks OK. Apply the relocation and update the
|
/* Everything looks OK. Apply the relocation and update the
|
src/dst address appropriately. */
|
src/dst address appropriately. */
|
bfd_put_8 (abfd, gap, data + dst_address);
|
bfd_put_8 (abfd, gap, data + dst_address);
|
dst_address++;
|
dst_address++;
|
src_address++;
|
src_address++;
|
|
|
/* All done. */
|
/* All done. */
|
break;
|
break;
|
|
|
/* Generic 16-bit pc-relative relocation. */
|
/* Generic 16-bit pc-relative relocation. */
|
case R_PCRWORD:
|
case R_PCRWORD:
|
/* Get the address of the target of this branch. */
|
/* Get the address of the target of this branch. */
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
|
|
/* Get the address of the instruction (not the reloc). */
|
/* Get the address of the instruction (not the reloc). */
|
dot = (input_section->output_offset
|
dot = (input_section->output_offset
|
+ dst_address
|
+ dst_address
|
+ link_order->u.indirect.section->output_section->vma + 1);
|
+ link_order->u.indirect.section->output_section->vma + 1);
|
|
|
gap = value - dot;
|
gap = value - dot;
|
|
|
/* Sanity check. */
|
/* Sanity check. */
|
if (gap > 32766 || gap < -32768)
|
if (gap > 32766 || gap < -32768)
|
{
|
{
|
if (! ((*link_info->callbacks->reloc_overflow)
|
if (! ((*link_info->callbacks->reloc_overflow)
|
(link_info, NULL,
|
(link_info, NULL,
|
bfd_asymbol_name (*reloc->sym_ptr_ptr),
|
bfd_asymbol_name (*reloc->sym_ptr_ptr),
|
reloc->howto->name, reloc->addend, input_section->owner,
|
reloc->howto->name, reloc->addend, input_section->owner,
|
input_section, reloc->address)))
|
input_section, reloc->address)))
|
abort ();
|
abort ();
|
}
|
}
|
|
|
/* Everything looks OK. Apply the relocation and update the
|
/* Everything looks OK. Apply the relocation and update the
|
src/dst address appropriately. */
|
src/dst address appropriately. */
|
bfd_put_16 (abfd, (bfd_vma) gap, data + dst_address);
|
bfd_put_16 (abfd, (bfd_vma) gap, data + dst_address);
|
dst_address += 2;
|
dst_address += 2;
|
src_address += 2;
|
src_address += 2;
|
|
|
/* All done. */
|
/* All done. */
|
break;
|
break;
|
|
|
/* Generic 8-bit absolute relocation. */
|
/* Generic 8-bit absolute relocation. */
|
case R_RELBYTE:
|
case R_RELBYTE:
|
/* Get the address of the object referenced by this insn. */
|
/* Get the address of the object referenced by this insn. */
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
|
|
bfd_put_8 (abfd, value & 0xff, data + dst_address);
|
bfd_put_8 (abfd, value & 0xff, data + dst_address);
|
dst_address += 1;
|
dst_address += 1;
|
src_address += 1;
|
src_address += 1;
|
|
|
/* All done. */
|
/* All done. */
|
break;
|
break;
|
|
|
/* Various simple 16-bit absolute relocations. */
|
/* Various simple 16-bit absolute relocations. */
|
case R_MOV16B1:
|
case R_MOV16B1:
|
case R_JMP1:
|
case R_JMP1:
|
case R_RELWORD:
|
case R_RELWORD:
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
bfd_put_16 (abfd, value, data + dst_address);
|
bfd_put_16 (abfd, value, data + dst_address);
|
dst_address += 2;
|
dst_address += 2;
|
src_address += 2;
|
src_address += 2;
|
break;
|
break;
|
|
|
/* Various simple 24-/32-bit absolute relocations. */
|
/* Various simple 24-/32-bit absolute relocations. */
|
case R_MOV24B1:
|
case R_MOV24B1:
|
case R_MOVL1:
|
case R_MOVL1:
|
case R_RELLONG:
|
case R_RELLONG:
|
/* Get the address of the target of this branch. */
|
/* Get the address of the target of this branch. */
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
bfd_put_32 (abfd, value, data + dst_address);
|
bfd_put_32 (abfd, value, data + dst_address);
|
dst_address += 4;
|
dst_address += 4;
|
src_address += 4;
|
src_address += 4;
|
break;
|
break;
|
|
|
/* Another 24-/32-bit absolute relocation. */
|
/* Another 24-/32-bit absolute relocation. */
|
case R_JMPL1:
|
case R_JMPL1:
|
/* Get the address of the target of this branch. */
|
/* Get the address of the target of this branch. */
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
|
|
value = ((value & 0x00ffffff)
|
value = ((value & 0x00ffffff)
|
| (bfd_get_32 (abfd, data + src_address) & 0xff000000));
|
| (bfd_get_32 (abfd, data + src_address) & 0xff000000));
|
bfd_put_32 (abfd, value, data + dst_address);
|
bfd_put_32 (abfd, value, data + dst_address);
|
dst_address += 4;
|
dst_address += 4;
|
src_address += 4;
|
src_address += 4;
|
break;
|
break;
|
|
|
/* This is a 24-/32-bit absolute address in one of the following
|
/* This is a 24-/32-bit absolute address in one of the following
|
instructions:
|
instructions:
|
|
|
"band", "bclr", "biand", "bild", "bior", "bist", "bixor",
|
"band", "bclr", "biand", "bild", "bior", "bist", "bixor",
|
"bld", "bnot", "bor", "bset", "bst", "btst", "bxor", "ldc.w",
|
"bld", "bnot", "bor", "bset", "bst", "btst", "bxor", "ldc.w",
|
"stc.w" and "mov.[bwl]"
|
"stc.w" and "mov.[bwl]"
|
|
|
We may relax this into an 16-bit absolute address if it's in
|
We may relax this into an 16-bit absolute address if it's in
|
the right range. */
|
the right range. */
|
case R_MOVL2:
|
case R_MOVL2:
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_h8300_pad_address (abfd, value);
|
value = bfd_h8300_pad_address (abfd, value);
|
|
|
/* Sanity check. */
|
/* Sanity check. */
|
if (value <= 0x7fff || value >= 0xffff8000u)
|
if (value <= 0x7fff || value >= 0xffff8000u)
|
{
|
{
|
/* Insert the 16-bit value into the proper location. */
|
/* Insert the 16-bit value into the proper location. */
|
bfd_put_16 (abfd, value, data + dst_address);
|
bfd_put_16 (abfd, value, data + dst_address);
|
|
|
/* Fix the opcode. For all the instructions that belong to
|
/* Fix the opcode. For all the instructions that belong to
|
this relaxation, we simply need to turn off bit 0x20 in
|
this relaxation, we simply need to turn off bit 0x20 in
|
the previous byte. */
|
the previous byte. */
|
data[dst_address - 1] &= ~0x20;
|
data[dst_address - 1] &= ~0x20;
|
dst_address += 2;
|
dst_address += 2;
|
src_address += 4;
|
src_address += 4;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (! ((*link_info->callbacks->reloc_overflow)
|
if (! ((*link_info->callbacks->reloc_overflow)
|
(link_info, NULL,
|
(link_info, NULL,
|
bfd_asymbol_name (*reloc->sym_ptr_ptr),
|
bfd_asymbol_name (*reloc->sym_ptr_ptr),
|
reloc->howto->name, reloc->addend, input_section->owner,
|
reloc->howto->name, reloc->addend, input_section->owner,
|
input_section, reloc->address)))
|
input_section, reloc->address)))
|
abort ();
|
abort ();
|
}
|
}
|
break;
|
break;
|
|
|
/* A 16-bit absolute branch that is now an 8-bit pc-relative branch. */
|
/* A 16-bit absolute branch that is now an 8-bit pc-relative branch. */
|
case R_JMP2:
|
case R_JMP2:
|
/* Get the address of the target of this branch. */
|
/* Get the address of the target of this branch. */
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
|
|
/* Get the address of the next instruction. */
|
/* Get the address of the next instruction. */
|
dot = (input_section->output_offset
|
dot = (input_section->output_offset
|
+ dst_address
|
+ dst_address
|
+ link_order->u.indirect.section->output_section->vma + 1);
|
+ link_order->u.indirect.section->output_section->vma + 1);
|
|
|
gap = value - dot;
|
gap = value - dot;
|
|
|
/* Sanity check. */
|
/* Sanity check. */
|
if (gap < -128 || gap > 126)
|
if (gap < -128 || gap > 126)
|
{
|
{
|
if (! ((*link_info->callbacks->reloc_overflow)
|
if (! ((*link_info->callbacks->reloc_overflow)
|
(link_info, NULL,
|
(link_info, NULL,
|
bfd_asymbol_name (*reloc->sym_ptr_ptr),
|
bfd_asymbol_name (*reloc->sym_ptr_ptr),
|
reloc->howto->name, reloc->addend, input_section->owner,
|
reloc->howto->name, reloc->addend, input_section->owner,
|
input_section, reloc->address)))
|
input_section, reloc->address)))
|
abort ();
|
abort ();
|
}
|
}
|
|
|
/* Now fix the instruction itself. */
|
/* Now fix the instruction itself. */
|
switch (data[dst_address - 1])
|
switch (data[dst_address - 1])
|
{
|
{
|
case 0x5e:
|
case 0x5e:
|
/* jsr -> bsr */
|
/* jsr -> bsr */
|
bfd_put_8 (abfd, 0x55, data + dst_address - 1);
|
bfd_put_8 (abfd, 0x55, data + dst_address - 1);
|
break;
|
break;
|
case 0x5a:
|
case 0x5a:
|
/* jmp -> bra */
|
/* jmp -> bra */
|
bfd_put_8 (abfd, 0x40, data + dst_address - 1);
|
bfd_put_8 (abfd, 0x40, data + dst_address - 1);
|
break;
|
break;
|
|
|
default:
|
default:
|
abort ();
|
abort ();
|
}
|
}
|
|
|
/* Write out the 8-bit value. */
|
/* Write out the 8-bit value. */
|
bfd_put_8 (abfd, gap, data + dst_address);
|
bfd_put_8 (abfd, gap, data + dst_address);
|
|
|
dst_address += 1;
|
dst_address += 1;
|
src_address += 3;
|
src_address += 3;
|
|
|
break;
|
break;
|
|
|
/* A 16-bit pc-relative branch that is now an 8-bit pc-relative branch. */
|
/* A 16-bit pc-relative branch that is now an 8-bit pc-relative branch. */
|
case R_PCRWORD_B:
|
case R_PCRWORD_B:
|
/* Get the address of the target of this branch. */
|
/* Get the address of the target of this branch. */
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
|
|
/* Get the address of the instruction (not the reloc). */
|
/* Get the address of the instruction (not the reloc). */
|
dot = (input_section->output_offset
|
dot = (input_section->output_offset
|
+ dst_address
|
+ dst_address
|
+ link_order->u.indirect.section->output_section->vma - 1);
|
+ link_order->u.indirect.section->output_section->vma - 1);
|
|
|
gap = value - dot;
|
gap = value - dot;
|
|
|
/* Sanity check. */
|
/* Sanity check. */
|
if (gap < -128 || gap > 126)
|
if (gap < -128 || gap > 126)
|
{
|
{
|
if (! ((*link_info->callbacks->reloc_overflow)
|
if (! ((*link_info->callbacks->reloc_overflow)
|
(link_info, NULL,
|
(link_info, NULL,
|
bfd_asymbol_name (*reloc->sym_ptr_ptr),
|
bfd_asymbol_name (*reloc->sym_ptr_ptr),
|
reloc->howto->name, reloc->addend, input_section->owner,
|
reloc->howto->name, reloc->addend, input_section->owner,
|
input_section, reloc->address)))
|
input_section, reloc->address)))
|
abort ();
|
abort ();
|
}
|
}
|
|
|
/* Now fix the instruction. */
|
/* Now fix the instruction. */
|
switch (data[dst_address - 2])
|
switch (data[dst_address - 2])
|
{
|
{
|
case 0x58:
|
case 0x58:
|
/* bCC:16 -> bCC:8 */
|
/* bCC:16 -> bCC:8 */
|
/* Get the second byte of the original insn, which contains
|
/* Get the second byte of the original insn, which contains
|
the condition code. */
|
the condition code. */
|
tmp = data[dst_address - 1];
|
tmp = data[dst_address - 1];
|
|
|
/* Compute the fisrt byte of the relaxed instruction. The
|
/* Compute the fisrt byte of the relaxed instruction. The
|
original sequence 0x58 0xX0 is relaxed to 0x4X, where X
|
original sequence 0x58 0xX0 is relaxed to 0x4X, where X
|
represents the condition code. */
|
represents the condition code. */
|
tmp &= 0xf0;
|
tmp &= 0xf0;
|
tmp >>= 4;
|
tmp >>= 4;
|
tmp |= 0x40;
|
tmp |= 0x40;
|
|
|
/* Write it. */
|
/* Write it. */
|
bfd_put_8 (abfd, tmp, data + dst_address - 2);
|
bfd_put_8 (abfd, tmp, data + dst_address - 2);
|
break;
|
break;
|
|
|
case 0x5c:
|
case 0x5c:
|
/* bsr:16 -> bsr:8 */
|
/* bsr:16 -> bsr:8 */
|
bfd_put_8 (abfd, 0x55, data + dst_address - 2);
|
bfd_put_8 (abfd, 0x55, data + dst_address - 2);
|
break;
|
break;
|
|
|
default:
|
default:
|
abort ();
|
abort ();
|
}
|
}
|
|
|
/* Output the target. */
|
/* Output the target. */
|
bfd_put_8 (abfd, gap, data + dst_address - 1);
|
bfd_put_8 (abfd, gap, data + dst_address - 1);
|
|
|
/* We don't advance dst_address -- the 8-bit reloc is applied at
|
/* We don't advance dst_address -- the 8-bit reloc is applied at
|
dst_address - 1, so the next insn should begin at dst_address. */
|
dst_address - 1, so the next insn should begin at dst_address. */
|
src_address += 2;
|
src_address += 2;
|
|
|
break;
|
break;
|
|
|
/* Similarly for a 24-bit absolute that is now 8 bits. */
|
/* Similarly for a 24-bit absolute that is now 8 bits. */
|
case R_JMPL2:
|
case R_JMPL2:
|
/* Get the address of the target of this branch. */
|
/* Get the address of the target of this branch. */
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
|
|
/* Get the address of the instruction (not the reloc). */
|
/* Get the address of the instruction (not the reloc). */
|
dot = (input_section->output_offset
|
dot = (input_section->output_offset
|
+ dst_address
|
+ dst_address
|
+ link_order->u.indirect.section->output_section->vma + 2);
|
+ link_order->u.indirect.section->output_section->vma + 2);
|
|
|
gap = value - dot;
|
gap = value - dot;
|
|
|
/* Fix the instruction. */
|
/* Fix the instruction. */
|
switch (data[src_address])
|
switch (data[src_address])
|
{
|
{
|
case 0x5e:
|
case 0x5e:
|
/* jsr -> bsr */
|
/* jsr -> bsr */
|
bfd_put_8 (abfd, 0x55, data + dst_address);
|
bfd_put_8 (abfd, 0x55, data + dst_address);
|
break;
|
break;
|
case 0x5a:
|
case 0x5a:
|
/* jmp ->bra */
|
/* jmp ->bra */
|
bfd_put_8 (abfd, 0x40, data + dst_address);
|
bfd_put_8 (abfd, 0x40, data + dst_address);
|
break;
|
break;
|
default:
|
default:
|
abort ();
|
abort ();
|
}
|
}
|
|
|
bfd_put_8 (abfd, gap, data + dst_address + 1);
|
bfd_put_8 (abfd, gap, data + dst_address + 1);
|
dst_address += 2;
|
dst_address += 2;
|
src_address += 4;
|
src_address += 4;
|
|
|
break;
|
break;
|
|
|
/* This is a 16-bit absolute address in one of the following
|
/* This is a 16-bit absolute address in one of the following
|
instructions:
|
instructions:
|
|
|
"band", "bclr", "biand", "bild", "bior", "bist", "bixor",
|
"band", "bclr", "biand", "bild", "bior", "bist", "bixor",
|
"bld", "bnot", "bor", "bset", "bst", "btst", "bxor", and
|
"bld", "bnot", "bor", "bset", "bst", "btst", "bxor", and
|
"mov.b"
|
"mov.b"
|
|
|
We may relax this into an 8-bit absolute address if it's in
|
We may relax this into an 8-bit absolute address if it's in
|
the right range. */
|
the right range. */
|
case R_MOV16B2:
|
case R_MOV16B2:
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
|
|
/* All instructions with R_H8_DIR16B2 start with 0x6a. */
|
/* All instructions with R_H8_DIR16B2 start with 0x6a. */
|
if (data[dst_address - 2] != 0x6a)
|
if (data[dst_address - 2] != 0x6a)
|
abort ();
|
abort ();
|
|
|
temp_code = data[src_address - 1];
|
temp_code = data[src_address - 1];
|
|
|
/* If this is a mov.b instruction, clear the lower nibble, which
|
/* If this is a mov.b instruction, clear the lower nibble, which
|
contains the source/destination register number. */
|
contains the source/destination register number. */
|
if ((temp_code & 0x10) != 0x10)
|
if ((temp_code & 0x10) != 0x10)
|
temp_code &= 0xf0;
|
temp_code &= 0xf0;
|
|
|
/* Fix up the opcode. */
|
/* Fix up the opcode. */
|
switch (temp_code)
|
switch (temp_code)
|
{
|
{
|
case 0x00:
|
case 0x00:
|
/* This is mov.b @aa:16,Rd. */
|
/* This is mov.b @aa:16,Rd. */
|
data[dst_address - 2] = (data[src_address - 1] & 0xf) | 0x20;
|
data[dst_address - 2] = (data[src_address - 1] & 0xf) | 0x20;
|
break;
|
break;
|
case 0x80:
|
case 0x80:
|
/* This is mov.b Rs,@aa:16. */
|
/* This is mov.b Rs,@aa:16. */
|
data[dst_address - 2] = (data[src_address - 1] & 0xf) | 0x30;
|
data[dst_address - 2] = (data[src_address - 1] & 0xf) | 0x30;
|
break;
|
break;
|
case 0x18:
|
case 0x18:
|
/* This is a bit-maniputation instruction that stores one
|
/* This is a bit-maniputation instruction that stores one
|
bit into memory, one of "bclr", "bist", "bnot", "bset",
|
bit into memory, one of "bclr", "bist", "bnot", "bset",
|
and "bst". */
|
and "bst". */
|
data[dst_address - 2] = 0x7f;
|
data[dst_address - 2] = 0x7f;
|
break;
|
break;
|
case 0x10:
|
case 0x10:
|
/* This is a bit-maniputation instruction that loads one bit
|
/* This is a bit-maniputation instruction that loads one bit
|
from memory, one of "band", "biand", "bild", "bior",
|
from memory, one of "band", "biand", "bild", "bior",
|
"bixor", "bld", "bor", "btst", and "bxor". */
|
"bixor", "bld", "bor", "btst", and "bxor". */
|
data[dst_address - 2] = 0x7e;
|
data[dst_address - 2] = 0x7e;
|
break;
|
break;
|
default:
|
default:
|
abort ();
|
abort ();
|
}
|
}
|
|
|
bfd_put_8 (abfd, value & 0xff, data + dst_address - 1);
|
bfd_put_8 (abfd, value & 0xff, data + dst_address - 1);
|
src_address += 2;
|
src_address += 2;
|
break;
|
break;
|
|
|
/* This is a 24-bit absolute address in one of the following
|
/* This is a 24-bit absolute address in one of the following
|
instructions:
|
instructions:
|
|
|
"band", "bclr", "biand", "bild", "bior", "bist", "bixor",
|
"band", "bclr", "biand", "bild", "bior", "bist", "bixor",
|
"bld", "bnot", "bor", "bset", "bst", "btst", "bxor", and
|
"bld", "bnot", "bor", "bset", "bst", "btst", "bxor", and
|
"mov.b"
|
"mov.b"
|
|
|
We may relax this into an 8-bit absolute address if it's in
|
We may relax this into an 8-bit absolute address if it's in
|
the right range. */
|
the right range. */
|
case R_MOV24B2:
|
case R_MOV24B2:
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
|
|
/* All instructions with R_MOV24B2 start with 0x6a. */
|
/* All instructions with R_MOV24B2 start with 0x6a. */
|
if (data[dst_address - 2] != 0x6a)
|
if (data[dst_address - 2] != 0x6a)
|
abort ();
|
abort ();
|
|
|
temp_code = data[src_address - 1];
|
temp_code = data[src_address - 1];
|
|
|
/* If this is a mov.b instruction, clear the lower nibble, which
|
/* If this is a mov.b instruction, clear the lower nibble, which
|
contains the source/destination register number. */
|
contains the source/destination register number. */
|
if ((temp_code & 0x30) != 0x30)
|
if ((temp_code & 0x30) != 0x30)
|
temp_code &= 0xf0;
|
temp_code &= 0xf0;
|
|
|
/* Fix up the opcode. */
|
/* Fix up the opcode. */
|
switch (temp_code)
|
switch (temp_code)
|
{
|
{
|
case 0x20:
|
case 0x20:
|
/* This is mov.b @aa:24/32,Rd. */
|
/* This is mov.b @aa:24/32,Rd. */
|
data[dst_address - 2] = (data[src_address - 1] & 0xf) | 0x20;
|
data[dst_address - 2] = (data[src_address - 1] & 0xf) | 0x20;
|
break;
|
break;
|
case 0xa0:
|
case 0xa0:
|
/* This is mov.b Rs,@aa:24/32. */
|
/* This is mov.b Rs,@aa:24/32. */
|
data[dst_address - 2] = (data[src_address - 1] & 0xf) | 0x30;
|
data[dst_address - 2] = (data[src_address - 1] & 0xf) | 0x30;
|
break;
|
break;
|
case 0x38:
|
case 0x38:
|
/* This is a bit-maniputation instruction that stores one
|
/* This is a bit-maniputation instruction that stores one
|
bit into memory, one of "bclr", "bist", "bnot", "bset",
|
bit into memory, one of "bclr", "bist", "bnot", "bset",
|
and "bst". */
|
and "bst". */
|
data[dst_address - 2] = 0x7f;
|
data[dst_address - 2] = 0x7f;
|
break;
|
break;
|
case 0x30:
|
case 0x30:
|
/* This is a bit-maniputation instruction that loads one bit
|
/* This is a bit-maniputation instruction that loads one bit
|
from memory, one of "band", "biand", "bild", "bior",
|
from memory, one of "band", "biand", "bild", "bior",
|
"bixor", "bld", "bor", "btst", and "bxor". */
|
"bixor", "bld", "bor", "btst", and "bxor". */
|
data[dst_address - 2] = 0x7e;
|
data[dst_address - 2] = 0x7e;
|
break;
|
break;
|
default:
|
default:
|
abort ();
|
abort ();
|
}
|
}
|
|
|
bfd_put_8 (abfd, value & 0xff, data + dst_address - 1);
|
bfd_put_8 (abfd, value & 0xff, data + dst_address - 1);
|
src_address += 4;
|
src_address += 4;
|
break;
|
break;
|
|
|
case R_BCC_INV:
|
case R_BCC_INV:
|
/* Get the address of the target of this branch. */
|
/* Get the address of the target of this branch. */
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
|
|
dot = (input_section->output_offset
|
dot = (input_section->output_offset
|
+ dst_address
|
+ dst_address
|
+ link_order->u.indirect.section->output_section->vma) + 1;
|
+ link_order->u.indirect.section->output_section->vma) + 1;
|
|
|
gap = value - dot;
|
gap = value - dot;
|
|
|
/* Sanity check. */
|
/* Sanity check. */
|
if (gap < -128 || gap > 126)
|
if (gap < -128 || gap > 126)
|
{
|
{
|
if (! ((*link_info->callbacks->reloc_overflow)
|
if (! ((*link_info->callbacks->reloc_overflow)
|
(link_info, NULL,
|
(link_info, NULL,
|
bfd_asymbol_name (*reloc->sym_ptr_ptr),
|
bfd_asymbol_name (*reloc->sym_ptr_ptr),
|
reloc->howto->name, reloc->addend, input_section->owner,
|
reloc->howto->name, reloc->addend, input_section->owner,
|
input_section, reloc->address)))
|
input_section, reloc->address)))
|
abort ();
|
abort ();
|
}
|
}
|
|
|
/* Everything looks OK. Fix the condition in the instruction, apply
|
/* Everything looks OK. Fix the condition in the instruction, apply
|
the relocation, and update the src/dst address appropriately. */
|
the relocation, and update the src/dst address appropriately. */
|
|
|
bfd_put_8 (abfd, bfd_get_8 (abfd, data + dst_address - 1) ^ 1,
|
bfd_put_8 (abfd, bfd_get_8 (abfd, data + dst_address - 1) ^ 1,
|
data + dst_address - 1);
|
data + dst_address - 1);
|
bfd_put_8 (abfd, gap, data + dst_address);
|
bfd_put_8 (abfd, gap, data + dst_address);
|
dst_address++;
|
dst_address++;
|
src_address++;
|
src_address++;
|
|
|
/* All done. */
|
/* All done. */
|
break;
|
break;
|
|
|
case R_JMP_DEL:
|
case R_JMP_DEL:
|
src_address += 4;
|
src_address += 4;
|
break;
|
break;
|
|
|
/* An 8-bit memory indirect instruction (jmp/jsr).
|
/* An 8-bit memory indirect instruction (jmp/jsr).
|
|
|
There's several things that need to be done to handle
|
There's several things that need to be done to handle
|
this relocation.
|
this relocation.
|
|
|
If this is a reloc against the absolute symbol, then
|
If this is a reloc against the absolute symbol, then
|
we should handle it just R_RELBYTE. Likewise if it's
|
we should handle it just R_RELBYTE. Likewise if it's
|
for a symbol with a value ge 0 and le 0xff.
|
for a symbol with a value ge 0 and le 0xff.
|
|
|
Otherwise it's a jump/call through the function vector,
|
Otherwise it's a jump/call through the function vector,
|
and the linker is expected to set up the function vector
|
and the linker is expected to set up the function vector
|
and put the right value into the jump/call instruction. */
|
and put the right value into the jump/call instruction. */
|
case R_MEM_INDIRECT:
|
case R_MEM_INDIRECT:
|
{
|
{
|
/* We need to find the symbol so we can determine it's
|
/* We need to find the symbol so we can determine it's
|
address in the function vector table. */
|
address in the function vector table. */
|
asymbol *symbol;
|
asymbol *symbol;
|
const char *name;
|
const char *name;
|
struct funcvec_hash_table *ftab;
|
struct funcvec_hash_table *ftab;
|
struct funcvec_hash_entry *h;
|
struct funcvec_hash_entry *h;
|
struct h8300_coff_link_hash_table *htab;
|
struct h8300_coff_link_hash_table *htab;
|
asection *vectors_sec;
|
asection *vectors_sec;
|
|
|
if (link_info->output_bfd->xvec != abfd->xvec)
|
if (link_info->output_bfd->xvec != abfd->xvec)
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("cannot handle R_MEM_INDIRECT reloc when using %s output"),
|
(_("cannot handle R_MEM_INDIRECT reloc when using %s output"),
|
link_info->output_bfd->xvec->name);
|
link_info->output_bfd->xvec->name);
|
|
|
/* What else can we do? This function doesn't allow return
|
/* What else can we do? This function doesn't allow return
|
of an error, and we don't want to call abort as that
|
of an error, and we don't want to call abort as that
|
indicates an internal error. */
|
indicates an internal error. */
|
#ifndef EXIT_FAILURE
|
#ifndef EXIT_FAILURE
|
#define EXIT_FAILURE 1
|
#define EXIT_FAILURE 1
|
#endif
|
#endif
|
xexit (EXIT_FAILURE);
|
xexit (EXIT_FAILURE);
|
}
|
}
|
htab = h8300_coff_hash_table (link_info);
|
htab = h8300_coff_hash_table (link_info);
|
vectors_sec = htab->vectors_sec;
|
vectors_sec = htab->vectors_sec;
|
|
|
/* First see if this is a reloc against the absolute symbol
|
/* First see if this is a reloc against the absolute symbol
|
or against a symbol with a nonnegative value <= 0xff. */
|
or against a symbol with a nonnegative value <= 0xff. */
|
symbol = *(reloc->sym_ptr_ptr);
|
symbol = *(reloc->sym_ptr_ptr);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
|
if (symbol == bfd_abs_section_ptr->symbol
|
if (symbol == bfd_abs_section_ptr->symbol
|
|| value <= 0xff)
|
|| value <= 0xff)
|
{
|
{
|
/* This should be handled in a manner very similar to
|
/* This should be handled in a manner very similar to
|
R_RELBYTES. If the value is in range, then just slam
|
R_RELBYTES. If the value is in range, then just slam
|
the value into the right location. Else trigger a
|
the value into the right location. Else trigger a
|
reloc overflow callback. */
|
reloc overflow callback. */
|
if (value <= 0xff)
|
if (value <= 0xff)
|
{
|
{
|
bfd_put_8 (abfd, value, data + dst_address);
|
bfd_put_8 (abfd, value, data + dst_address);
|
dst_address += 1;
|
dst_address += 1;
|
src_address += 1;
|
src_address += 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (! ((*link_info->callbacks->reloc_overflow)
|
if (! ((*link_info->callbacks->reloc_overflow)
|
(link_info, NULL,
|
(link_info, NULL,
|
bfd_asymbol_name (*reloc->sym_ptr_ptr),
|
bfd_asymbol_name (*reloc->sym_ptr_ptr),
|
reloc->howto->name, reloc->addend, input_section->owner,
|
reloc->howto->name, reloc->addend, input_section->owner,
|
input_section, reloc->address)))
|
input_section, reloc->address)))
|
abort ();
|
abort ();
|
}
|
}
|
break;
|
break;
|
}
|
}
|
|
|
/* This is a jump/call through a function vector, and we're
|
/* This is a jump/call through a function vector, and we're
|
expected to create the function vector ourselves.
|
expected to create the function vector ourselves.
|
|
|
First look up this symbol in the linker hash table -- we need
|
First look up this symbol in the linker hash table -- we need
|
the derived linker symbol which holds this symbol's index
|
the derived linker symbol which holds this symbol's index
|
in the function vector. */
|
in the function vector. */
|
name = symbol->name;
|
name = symbol->name;
|
if (symbol->flags & BSF_LOCAL)
|
if (symbol->flags & BSF_LOCAL)
|
{
|
{
|
char *new_name = bfd_malloc ((bfd_size_type) strlen (name) + 10);
|
char *new_name = bfd_malloc ((bfd_size_type) strlen (name) + 10);
|
|
|
if (new_name == NULL)
|
if (new_name == NULL)
|
abort ();
|
abort ();
|
|
|
sprintf (new_name, "%s_%08x", name, symbol->section->id);
|
sprintf (new_name, "%s_%08x", name, symbol->section->id);
|
name = new_name;
|
name = new_name;
|
}
|
}
|
|
|
ftab = htab->funcvec_hash_table;
|
ftab = htab->funcvec_hash_table;
|
h = funcvec_hash_lookup (ftab, name, FALSE, FALSE);
|
h = funcvec_hash_lookup (ftab, name, FALSE, FALSE);
|
|
|
/* This shouldn't ever happen. If it does that means we've got
|
/* This shouldn't ever happen. If it does that means we've got
|
data corruption of some kind. Aborting seems like a reasonable
|
data corruption of some kind. Aborting seems like a reasonable
|
thing to do here. */
|
thing to do here. */
|
if (h == NULL || vectors_sec == NULL)
|
if (h == NULL || vectors_sec == NULL)
|
abort ();
|
abort ();
|
|
|
/* Place the address of the function vector entry into the
|
/* Place the address of the function vector entry into the
|
reloc's address. */
|
reloc's address. */
|
bfd_put_8 (abfd,
|
bfd_put_8 (abfd,
|
vectors_sec->output_offset + h->offset,
|
vectors_sec->output_offset + h->offset,
|
data + dst_address);
|
data + dst_address);
|
|
|
dst_address++;
|
dst_address++;
|
src_address++;
|
src_address++;
|
|
|
/* Now create an entry in the function vector itself. */
|
/* Now create an entry in the function vector itself. */
|
switch (bfd_get_mach (input_section->owner))
|
switch (bfd_get_mach (input_section->owner))
|
{
|
{
|
case bfd_mach_h8300:
|
case bfd_mach_h8300:
|
case bfd_mach_h8300hn:
|
case bfd_mach_h8300hn:
|
case bfd_mach_h8300sn:
|
case bfd_mach_h8300sn:
|
bfd_put_16 (abfd,
|
bfd_put_16 (abfd,
|
bfd_coff_reloc16_get_value (reloc,
|
bfd_coff_reloc16_get_value (reloc,
|
link_info,
|
link_info,
|
input_section),
|
input_section),
|
vectors_sec->contents + h->offset);
|
vectors_sec->contents + h->offset);
|
break;
|
break;
|
case bfd_mach_h8300h:
|
case bfd_mach_h8300h:
|
case bfd_mach_h8300s:
|
case bfd_mach_h8300s:
|
bfd_put_32 (abfd,
|
bfd_put_32 (abfd,
|
bfd_coff_reloc16_get_value (reloc,
|
bfd_coff_reloc16_get_value (reloc,
|
link_info,
|
link_info,
|
input_section),
|
input_section),
|
vectors_sec->contents + h->offset);
|
vectors_sec->contents + h->offset);
|
break;
|
break;
|
default:
|
default:
|
abort ();
|
abort ();
|
}
|
}
|
|
|
/* Gross. We've already written the contents of the vector section
|
/* Gross. We've already written the contents of the vector section
|
before we get here... So we write it again with the new data. */
|
before we get here... So we write it again with the new data. */
|
bfd_set_section_contents (vectors_sec->output_section->owner,
|
bfd_set_section_contents (vectors_sec->output_section->owner,
|
vectors_sec->output_section,
|
vectors_sec->output_section,
|
vectors_sec->contents,
|
vectors_sec->contents,
|
(file_ptr) vectors_sec->output_offset,
|
(file_ptr) vectors_sec->output_offset,
|
vectors_sec->size);
|
vectors_sec->size);
|
break;
|
break;
|
}
|
}
|
|
|
default:
|
default:
|
abort ();
|
abort ();
|
break;
|
break;
|
|
|
}
|
}
|
|
|
*src_ptr = src_address;
|
*src_ptr = src_address;
|
*dst_ptr = dst_address;
|
*dst_ptr = dst_address;
|
}
|
}
|
|
|
/* Routine for the h8300 linker.
|
/* Routine for the h8300 linker.
|
|
|
This routine is necessary to handle the special R_MEM_INDIRECT
|
This routine is necessary to handle the special R_MEM_INDIRECT
|
relocs on the h8300. It's responsible for generating a vectors
|
relocs on the h8300. It's responsible for generating a vectors
|
section and attaching it to an input bfd as well as sizing
|
section and attaching it to an input bfd as well as sizing
|
the vectors section. It also creates our vectors hash table.
|
the vectors section. It also creates our vectors hash table.
|
|
|
It uses the generic linker routines to actually add the symbols.
|
It uses the generic linker routines to actually add the symbols.
|
from this BFD to the bfd linker hash table. It may add a few
|
from this BFD to the bfd linker hash table. It may add a few
|
selected static symbols to the bfd linker hash table. */
|
selected static symbols to the bfd linker hash table. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
h8300_bfd_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
|
h8300_bfd_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
|
{
|
{
|
asection *sec;
|
asection *sec;
|
struct funcvec_hash_table *funcvec_hash_table;
|
struct funcvec_hash_table *funcvec_hash_table;
|
bfd_size_type amt;
|
bfd_size_type amt;
|
struct h8300_coff_link_hash_table *htab;
|
struct h8300_coff_link_hash_table *htab;
|
|
|
/* Add the symbols using the generic code. */
|
/* Add the symbols using the generic code. */
|
_bfd_generic_link_add_symbols (abfd, info);
|
_bfd_generic_link_add_symbols (abfd, info);
|
|
|
if (info->output_bfd->xvec != abfd->xvec)
|
if (info->output_bfd->xvec != abfd->xvec)
|
return TRUE;
|
return TRUE;
|
|
|
htab = h8300_coff_hash_table (info);
|
htab = h8300_coff_hash_table (info);
|
|
|
/* If we haven't created a vectors section, do so now. */
|
/* If we haven't created a vectors section, do so now. */
|
if (!htab->vectors_sec)
|
if (!htab->vectors_sec)
|
{
|
{
|
flagword flags;
|
flagword flags;
|
|
|
/* Make sure the appropriate flags are set, including SEC_IN_MEMORY. */
|
/* Make sure the appropriate flags are set, including SEC_IN_MEMORY. */
|
flags = (SEC_ALLOC | SEC_LOAD
|
flags = (SEC_ALLOC | SEC_LOAD
|
| SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_READONLY);
|
| SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_READONLY);
|
htab->vectors_sec = bfd_make_section_with_flags (abfd, ".vectors",
|
htab->vectors_sec = bfd_make_section_with_flags (abfd, ".vectors",
|
flags);
|
flags);
|
|
|
/* If the section wasn't created, or we couldn't set the flags,
|
/* If the section wasn't created, or we couldn't set the flags,
|
quit quickly now, rather than dying a painful death later. */
|
quit quickly now, rather than dying a painful death later. */
|
if (!htab->vectors_sec)
|
if (!htab->vectors_sec)
|
return FALSE;
|
return FALSE;
|
|
|
/* Also create the vector hash table. */
|
/* Also create the vector hash table. */
|
amt = sizeof (struct funcvec_hash_table);
|
amt = sizeof (struct funcvec_hash_table);
|
funcvec_hash_table = (struct funcvec_hash_table *) bfd_alloc (abfd, amt);
|
funcvec_hash_table = (struct funcvec_hash_table *) bfd_alloc (abfd, amt);
|
|
|
if (!funcvec_hash_table)
|
if (!funcvec_hash_table)
|
return FALSE;
|
return FALSE;
|
|
|
/* And initialize the funcvec hash table. */
|
/* And initialize the funcvec hash table. */
|
if (!funcvec_hash_table_init (funcvec_hash_table, abfd,
|
if (!funcvec_hash_table_init (funcvec_hash_table, abfd,
|
funcvec_hash_newfunc,
|
funcvec_hash_newfunc,
|
sizeof (struct funcvec_hash_entry)))
|
sizeof (struct funcvec_hash_entry)))
|
{
|
{
|
bfd_release (abfd, funcvec_hash_table);
|
bfd_release (abfd, funcvec_hash_table);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* Store away a pointer to the funcvec hash table. */
|
/* Store away a pointer to the funcvec hash table. */
|
htab->funcvec_hash_table = funcvec_hash_table;
|
htab->funcvec_hash_table = funcvec_hash_table;
|
}
|
}
|
|
|
/* Load up the function vector hash table. */
|
/* Load up the function vector hash table. */
|
funcvec_hash_table = htab->funcvec_hash_table;
|
funcvec_hash_table = htab->funcvec_hash_table;
|
|
|
/* Now scan the relocs for all the sections in this bfd; create
|
/* Now scan the relocs for all the sections in this bfd; create
|
additional space in the .vectors section as needed. */
|
additional space in the .vectors section as needed. */
|
for (sec = abfd->sections; sec; sec = sec->next)
|
for (sec = abfd->sections; sec; sec = sec->next)
|
{
|
{
|
long reloc_size, reloc_count, i;
|
long reloc_size, reloc_count, i;
|
asymbol **symbols;
|
asymbol **symbols;
|
arelent **relocs;
|
arelent **relocs;
|
|
|
/* Suck in the relocs, symbols & canonicalize them. */
|
/* Suck in the relocs, symbols & canonicalize them. */
|
reloc_size = bfd_get_reloc_upper_bound (abfd, sec);
|
reloc_size = bfd_get_reloc_upper_bound (abfd, sec);
|
if (reloc_size <= 0)
|
if (reloc_size <= 0)
|
continue;
|
continue;
|
|
|
relocs = (arelent **) bfd_malloc ((bfd_size_type) reloc_size);
|
relocs = (arelent **) bfd_malloc ((bfd_size_type) reloc_size);
|
if (!relocs)
|
if (!relocs)
|
return FALSE;
|
return FALSE;
|
|
|
/* The symbols should have been read in by _bfd_generic link_add_symbols
|
/* The symbols should have been read in by _bfd_generic link_add_symbols
|
call abovec, so we can cheat and use the pointer to them that was
|
call abovec, so we can cheat and use the pointer to them that was
|
saved in the above call. */
|
saved in the above call. */
|
symbols = _bfd_generic_link_get_symbols(abfd);
|
symbols = _bfd_generic_link_get_symbols(abfd);
|
reloc_count = bfd_canonicalize_reloc (abfd, sec, relocs, symbols);
|
reloc_count = bfd_canonicalize_reloc (abfd, sec, relocs, symbols);
|
if (reloc_count <= 0)
|
if (reloc_count <= 0)
|
{
|
{
|
free (relocs);
|
free (relocs);
|
continue;
|
continue;
|
}
|
}
|
|
|
/* Now walk through all the relocations in this section. */
|
/* Now walk through all the relocations in this section. */
|
for (i = 0; i < reloc_count; i++)
|
for (i = 0; i < reloc_count; i++)
|
{
|
{
|
arelent *reloc = relocs[i];
|
arelent *reloc = relocs[i];
|
asymbol *symbol = *(reloc->sym_ptr_ptr);
|
asymbol *symbol = *(reloc->sym_ptr_ptr);
|
const char *name;
|
const char *name;
|
|
|
/* We've got an indirect reloc. See if we need to add it
|
/* We've got an indirect reloc. See if we need to add it
|
to the function vector table. At this point, we have
|
to the function vector table. At this point, we have
|
to add a new entry for each unique symbol referenced
|
to add a new entry for each unique symbol referenced
|
by an R_MEM_INDIRECT relocation except for a reloc
|
by an R_MEM_INDIRECT relocation except for a reloc
|
against the absolute section symbol. */
|
against the absolute section symbol. */
|
if (reloc->howto->type == R_MEM_INDIRECT
|
if (reloc->howto->type == R_MEM_INDIRECT
|
&& symbol != bfd_abs_section_ptr->symbol)
|
&& symbol != bfd_abs_section_ptr->symbol)
|
|
|
{
|
{
|
struct funcvec_hash_table *ftab;
|
struct funcvec_hash_table *ftab;
|
struct funcvec_hash_entry *h;
|
struct funcvec_hash_entry *h;
|
|
|
name = symbol->name;
|
name = symbol->name;
|
if (symbol->flags & BSF_LOCAL)
|
if (symbol->flags & BSF_LOCAL)
|
{
|
{
|
char *new_name;
|
char *new_name;
|
|
|
new_name = bfd_malloc ((bfd_size_type) strlen (name) + 10);
|
new_name = bfd_malloc ((bfd_size_type) strlen (name) + 10);
|
if (new_name == NULL)
|
if (new_name == NULL)
|
abort ();
|
abort ();
|
|
|
sprintf (new_name, "%s_%08x", name, symbol->section->id);
|
sprintf (new_name, "%s_%08x", name, symbol->section->id);
|
name = new_name;
|
name = new_name;
|
}
|
}
|
|
|
/* Look this symbol up in the function vector hash table. */
|
/* Look this symbol up in the function vector hash table. */
|
ftab = htab->funcvec_hash_table;
|
ftab = htab->funcvec_hash_table;
|
h = funcvec_hash_lookup (ftab, name, FALSE, FALSE);
|
h = funcvec_hash_lookup (ftab, name, FALSE, FALSE);
|
|
|
/* If this symbol isn't already in the hash table, add
|
/* If this symbol isn't already in the hash table, add
|
it and bump up the size of the hash table. */
|
it and bump up the size of the hash table. */
|
if (h == NULL)
|
if (h == NULL)
|
{
|
{
|
h = funcvec_hash_lookup (ftab, name, TRUE, TRUE);
|
h = funcvec_hash_lookup (ftab, name, TRUE, TRUE);
|
if (h == NULL)
|
if (h == NULL)
|
{
|
{
|
free (relocs);
|
free (relocs);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* Bump the size of the vectors section. Each vector
|
/* Bump the size of the vectors section. Each vector
|
takes 2 bytes on the h8300 and 4 bytes on the h8300h. */
|
takes 2 bytes on the h8300 and 4 bytes on the h8300h. */
|
switch (bfd_get_mach (abfd))
|
switch (bfd_get_mach (abfd))
|
{
|
{
|
case bfd_mach_h8300:
|
case bfd_mach_h8300:
|
case bfd_mach_h8300hn:
|
case bfd_mach_h8300hn:
|
case bfd_mach_h8300sn:
|
case bfd_mach_h8300sn:
|
htab->vectors_sec->size += 2;
|
htab->vectors_sec->size += 2;
|
break;
|
break;
|
case bfd_mach_h8300h:
|
case bfd_mach_h8300h:
|
case bfd_mach_h8300s:
|
case bfd_mach_h8300s:
|
htab->vectors_sec->size += 4;
|
htab->vectors_sec->size += 4;
|
break;
|
break;
|
default:
|
default:
|
abort ();
|
abort ();
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* We're done with the relocations, release them. */
|
/* We're done with the relocations, release them. */
|
free (relocs);
|
free (relocs);
|
}
|
}
|
|
|
/* Now actually allocate some space for the function vector. It's
|
/* Now actually allocate some space for the function vector. It's
|
wasteful to do this more than once, but this is easier. */
|
wasteful to do this more than once, but this is easier. */
|
sec = htab->vectors_sec;
|
sec = htab->vectors_sec;
|
if (sec->size != 0)
|
if (sec->size != 0)
|
{
|
{
|
/* Free the old contents. */
|
/* Free the old contents. */
|
if (sec->contents)
|
if (sec->contents)
|
free (sec->contents);
|
free (sec->contents);
|
|
|
/* Allocate new contents. */
|
/* Allocate new contents. */
|
sec->contents = bfd_malloc (sec->size);
|
sec->contents = bfd_malloc (sec->size);
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
#define coff_reloc16_extra_cases h8300_reloc16_extra_cases
|
#define coff_reloc16_extra_cases h8300_reloc16_extra_cases
|
#define coff_reloc16_estimate h8300_reloc16_estimate
|
#define coff_reloc16_estimate h8300_reloc16_estimate
|
#define coff_bfd_link_add_symbols h8300_bfd_link_add_symbols
|
#define coff_bfd_link_add_symbols h8300_bfd_link_add_symbols
|
#define coff_bfd_link_hash_table_create h8300_coff_link_hash_table_create
|
#define coff_bfd_link_hash_table_create h8300_coff_link_hash_table_create
|
|
|
#define COFF_LONG_FILENAMES
|
#define COFF_LONG_FILENAMES
|
#include "coffcode.h"
|
#include "coffcode.h"
|
|
|
#undef coff_bfd_get_relocated_section_contents
|
#undef coff_bfd_get_relocated_section_contents
|
#undef coff_bfd_relax_section
|
#undef coff_bfd_relax_section
|
#define coff_bfd_get_relocated_section_contents \
|
#define coff_bfd_get_relocated_section_contents \
|
bfd_coff_reloc16_get_relocated_section_contents
|
bfd_coff_reloc16_get_relocated_section_contents
|
#define coff_bfd_relax_section bfd_coff_reloc16_relax_section
|
#define coff_bfd_relax_section bfd_coff_reloc16_relax_section
|
|
|
CREATE_BIG_COFF_TARGET_VEC (h8300coff_vec, "coff-h8300", BFD_IS_RELAXABLE, 0, '_', NULL, COFF_SWAP_TABLE)
|
CREATE_BIG_COFF_TARGET_VEC (h8300coff_vec, "coff-h8300", BFD_IS_RELAXABLE, 0, '_', NULL, COFF_SWAP_TABLE)
|
|
|
