/* OR32-specific support for 32-bit ELF
|
/* OR32-specific support for 32-bit ELF
|
Copyright 2002, 2004, 2005, 2007 Free Software Foundation, Inc.
|
Copyright 2002, 2004, 2005, 2007 Free Software Foundation, Inc.
|
Contributed by Ivan Guzvinec <ivang@opencores.org>
|
Contributed by Ivan Guzvinec <ivang@opencores.org>
|
Modified by Gyorgy Jeney <nog@sdf.lonestar.org> and
|
Modified by Gyorgy Jeney <nog@sdf.lonestar.org> and
|
Balint Cristian <rezso@rdsor.ro>
|
Balint Cristian <rezso@rdsor.ro>
|
|
|
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 "elf-bfd.h"
|
#include "elf-bfd.h"
|
#include "elf/or32.h"
|
#include "elf/or32.h"
|
#include "elf/common.h"
|
#include "elf/common.h"
|
#include "libiberty.h"
|
#include "libiberty.h"
|
|
|
/* Try to minimize the amount of space occupied by relocation tables
|
/* Try to minimize the amount of space occupied by relocation tables
|
on the ROM (not that the ROM won't be swamped by other ELF overhead). */
|
on the ROM (not that the ROM won't be swamped by other ELF overhead). */
|
#define USE_REL 1
|
#define USE_REL 1
|
|
|
/* Set the right machine number for an OR32 ELF file. */
|
/* Set the right machine number for an OR32 ELF file. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
or32_elf_object_p (bfd *abfd)
|
or32_elf_object_p (bfd *abfd)
|
{
|
{
|
(void) bfd_default_set_arch_mach (abfd, bfd_arch_or32, 0);
|
(void) bfd_default_set_arch_mach (abfd, bfd_arch_or32, 0);
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* The final processing done just before writing out an OR32 ELF object file.
|
/* The final processing done just before writing out an OR32 ELF object file.
|
This gets the OR32 architecture right based on the machine number. */
|
This gets the OR32 architecture right based on the machine number. */
|
|
|
static void
|
static void
|
or32_elf_final_write_processing (bfd *abfd,
|
or32_elf_final_write_processing (bfd *abfd,
|
bfd_boolean linker ATTRIBUTE_UNUSED)
|
bfd_boolean linker ATTRIBUTE_UNUSED)
|
{
|
{
|
/* Pad the output file so that the aligned reloc section addresses aren't
|
/* Pad the output file so that the aligned reloc section addresses aren't
|
* outside the file */
|
* outside the file */
|
unsigned long zero = 0;
|
unsigned long zero = 0;
|
if (bfd_seek (abfd, elf_tdata (abfd)->next_file_pos, SEEK_SET) != 0
|
if (bfd_seek (abfd, elf_tdata (abfd)->next_file_pos, SEEK_SET) != 0
|
|| bfd_bwrite (&zero, sizeof(zero), abfd) != sizeof(zero))
|
|| bfd_bwrite (&zero, sizeof(zero), abfd) != sizeof(zero))
|
(*_bfd_error_handler) (_("%B: failed to ensure that reloc sections aren't outside file"), abfd);
|
(*_bfd_error_handler) (_("%B: failed to ensure that reloc sections aren't outside file"), abfd);
|
|
|
elf_elfheader (abfd)->e_flags &=~ EF_OR32_MACH;
|
elf_elfheader (abfd)->e_flags &=~ EF_OR32_MACH;
|
}
|
}
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
or32_elf_generic_reloc (bfd *abfd,
|
or32_elf_generic_reloc (bfd *abfd,
|
arelent *reloc_entry,
|
arelent *reloc_entry,
|
asymbol *symbol,
|
asymbol *symbol,
|
void * data,
|
void * data,
|
asection *input_section,
|
asection *input_section,
|
bfd *output_bfd,
|
bfd *output_bfd,
|
char **error_message ATTRIBUTE_UNUSED)
|
char **error_message ATTRIBUTE_UNUSED)
|
{
|
{
|
bfd_signed_vma val;
|
bfd_signed_vma val;
|
bfd_reloc_status_type status;
|
bfd_reloc_status_type status;
|
bfd_boolean relocatable;
|
bfd_boolean relocatable;
|
|
|
if (bfd_is_und_section (symbol->section) /*RGD fix linker undefined miss*/
|
if (bfd_is_und_section (symbol->section) /*RGD fix linker undefined miss*/
|
&& output_bfd == (bfd *) NULL)
|
&& output_bfd == (bfd *) NULL)
|
return bfd_reloc_undefined;
|
return bfd_reloc_undefined;
|
|
|
relocatable = (output_bfd != NULL);
|
relocatable = (output_bfd != NULL);
|
|
|
if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
|
if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
|
return bfd_reloc_outofrange;
|
return bfd_reloc_outofrange;
|
|
|
/* Build up the field adjustment in VAL. */
|
/* Build up the field adjustment in VAL. */
|
val = 0;
|
val = 0;
|
if (!relocatable || (symbol->flags & BSF_SECTION_SYM) != 0)
|
if (!relocatable || (symbol->flags & BSF_SECTION_SYM) != 0)
|
{
|
{
|
/* Either we're calculating the final field value or we have a
|
/* Either we're calculating the final field value or we have a
|
relocation against a section symbol. Add in the section's
|
relocation against a section symbol. Add in the section's
|
offset or address. */
|
offset or address. */
|
val += symbol->section->output_section->vma;
|
val += symbol->section->output_section->vma;
|
val += symbol->section->output_offset;
|
val += symbol->section->output_offset;
|
}
|
}
|
|
|
if (!relocatable)
|
if (!relocatable)
|
{
|
{
|
/* We're calculating the final field value. Add in the symbol's value
|
/* We're calculating the final field value. Add in the symbol's value
|
and, if pc-relative, subtract the address of the field itself. */
|
and, if pc-relative, subtract the address of the field itself. */
|
val += symbol->value;
|
val += symbol->value;
|
if (reloc_entry->howto->pc_relative)
|
if (reloc_entry->howto->pc_relative)
|
val -= input_section->output_section->vma;
|
val -= input_section->output_section->vma;
|
}
|
}
|
|
|
if (reloc_entry->howto->pc_relative)
|
if (reloc_entry->howto->pc_relative)
|
val -= input_section->output_offset;
|
val -= input_section->output_offset;
|
/* VAL is now the final adjustment. If we're keeping this relocation
|
/* VAL is now the final adjustment. If we're keeping this relocation
|
in the output file, and if the relocation uses a separate addend,
|
in the output file, and if the relocation uses a separate addend,
|
we just need to add VAL to that addend. Otherwise we need to add
|
we just need to add VAL to that addend. Otherwise we need to add
|
VAL to the relocation field itself. */
|
VAL to the relocation field itself. */
|
if (relocatable && !reloc_entry->howto->partial_inplace)
|
if (relocatable && !reloc_entry->howto->partial_inplace)
|
reloc_entry->addend += val;
|
reloc_entry->addend += val;
|
else
|
else
|
{
|
{
|
/* Add in the separate addend, if any. */
|
/* Add in the separate addend, if any. */
|
val += reloc_entry->addend;
|
val += reloc_entry->addend;
|
/* Add VAL to the relocation field. */
|
/* Add VAL to the relocation field. */
|
status = _bfd_relocate_contents (reloc_entry->howto, abfd, val,
|
status = _bfd_relocate_contents (reloc_entry->howto, abfd, val,
|
(bfd_byte *) data
|
(bfd_byte *) data
|
+ reloc_entry->address);
|
+ reloc_entry->address);
|
if (status != bfd_reloc_ok)
|
if (status != bfd_reloc_ok)
|
return status;
|
return status;
|
}
|
}
|
if (relocatable)
|
if (relocatable)
|
reloc_entry->address += input_section->output_offset;
|
reloc_entry->address += input_section->output_offset;
|
|
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
}
|
}
|
|
|
/* Do a R_OR32_CONSTH relocation. This has to be done in combination
|
/* Do a R_OR32_CONSTH relocation. This has to be done in combination
|
with a R_OR32_CONST reloc, because there is a carry from the LO16 to
|
with a R_OR32_CONST reloc, because there is a carry from the LO16 to
|
the HI16. Here we just save the information we need; we do the
|
the HI16. Here we just save the information we need; we do the
|
actual relocation when we see the LO16. OR32 ELF requires that the
|
actual relocation when we see the LO16. OR32 ELF requires that the
|
LO16 immediately follow the HI16. As a GNU extension, we permit an
|
LO16 immediately follow the HI16. As a GNU extension, we permit an
|
arbitrary number of HI16 relocs to be associated with a single LO16
|
arbitrary number of HI16 relocs to be associated with a single LO16
|
reloc. This extension permits gcc to output the HI and LO relocs
|
reloc. This extension permits gcc to output the HI and LO relocs
|
itself. This code is copied from the elf32-mips.c. */
|
itself. This code is copied from the elf32-mips.c. */
|
|
|
struct or32_consth
|
struct or32_consth
|
{
|
{
|
struct or32_consth *next;
|
struct or32_consth *next;
|
bfd_byte *data;
|
bfd_byte *data;
|
asection *input_section;
|
asection *input_section;
|
arelent rel;
|
arelent rel;
|
};
|
};
|
|
|
/* FIXME: This should not be a static variable. */
|
/* FIXME: This should not be a static variable. */
|
|
|
static struct or32_consth *or32_consth_list;
|
static struct or32_consth *or32_consth_list;
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
or32_elf_consth_reloc (bfd *abfd ATTRIBUTE_UNUSED,
|
or32_elf_consth_reloc (bfd *abfd ATTRIBUTE_UNUSED,
|
arelent *reloc_entry,
|
arelent *reloc_entry,
|
asymbol *symbol ATTRIBUTE_UNUSED,
|
asymbol *symbol ATTRIBUTE_UNUSED,
|
void * data,
|
void * data,
|
asection *input_section,
|
asection *input_section,
|
bfd *output_bfd,
|
bfd *output_bfd,
|
char **error_message ATTRIBUTE_UNUSED)
|
char **error_message ATTRIBUTE_UNUSED)
|
{
|
{
|
struct or32_consth *n;
|
struct or32_consth *n;
|
|
|
if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
|
if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
|
return bfd_reloc_outofrange;
|
return bfd_reloc_outofrange;
|
|
|
/* Save the information, and let LO16 do the actual relocation. */
|
/* Save the information, and let LO16 do the actual relocation. */
|
n = bfd_malloc (sizeof *n);
|
n = bfd_malloc (sizeof *n);
|
if (n == NULL)
|
if (n == NULL)
|
return bfd_reloc_outofrange;
|
return bfd_reloc_outofrange;
|
|
|
/* Push this reloc on the list of pending relocations */
|
/* Push this reloc on the list of pending relocations */
|
n->next = or32_consth_list;
|
n->next = or32_consth_list;
|
n->data = data;
|
n->data = data;
|
n->input_section = input_section;
|
n->input_section = input_section;
|
n->rel = *reloc_entry;
|
n->rel = *reloc_entry;
|
or32_consth_list = n;
|
or32_consth_list = n;
|
|
|
if (output_bfd != NULL)
|
if (output_bfd != NULL)
|
reloc_entry->address += input_section->output_offset;
|
reloc_entry->address += input_section->output_offset;
|
|
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
}
|
}
|
|
|
/* Do a R_OR32_CONST relocation. This is a straightforward 16 bit
|
/* Do a R_OR32_CONST relocation. This is a straightforward 16 bit
|
inplace relocation; this function exists in order to do the
|
inplace relocation; this function exists in order to do the
|
R_OR32_CONSTH relocation described above. */
|
R_OR32_CONSTH relocation described above. */
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
or32_elf_const_reloc (bfd *abfd,
|
or32_elf_const_reloc (bfd *abfd,
|
arelent *reloc_entry,
|
arelent *reloc_entry,
|
asymbol *symbol,
|
asymbol *symbol,
|
void * data,
|
void * data,
|
asection *input_section,
|
asection *input_section,
|
bfd *output_bfd,
|
bfd *output_bfd,
|
char **error_message)
|
char **error_message)
|
{
|
{
|
bfd_vma vallo;
|
bfd_vma vallo;
|
if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
|
if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
|
return bfd_reloc_outofrange;
|
return bfd_reloc_outofrange;
|
vallo = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address) & 0xffff;
|
vallo = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address) & 0xffff;
|
while (or32_consth_list != NULL)
|
while (or32_consth_list != NULL)
|
{
|
{
|
bfd_reloc_status_type ret;
|
bfd_reloc_status_type ret;
|
struct or32_consth *hi;
|
struct or32_consth *hi;
|
|
|
hi = or32_consth_list;
|
hi = or32_consth_list;
|
|
|
/* VALLO is a signed 16-bit number. Bias it by 0x8000 so that any
|
/* VALLO is a signed 16-bit number. Bias it by 0x8000 so that any
|
carry or borrow will induce a change of +1 or -1 in the high part. */
|
carry or borrow will induce a change of +1 or -1 in the high part. */
|
hi->rel.addend += vallo;
|
hi->rel.addend += vallo;
|
|
|
ret = or32_elf_generic_reloc (abfd, &hi->rel, symbol, hi->data,
|
ret = or32_elf_generic_reloc (abfd, &hi->rel, symbol, hi->data,
|
hi->input_section, output_bfd,
|
hi->input_section, output_bfd,
|
error_message);
|
error_message);
|
if (ret != bfd_reloc_ok)
|
if (ret != bfd_reloc_ok)
|
return ret;
|
return ret;
|
|
|
or32_consth_list = hi->next;
|
or32_consth_list = hi->next;
|
free (hi);
|
free (hi);
|
}
|
}
|
return or32_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
return or32_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd,
|
input_section, output_bfd,
|
error_message);
|
error_message);
|
}
|
}
|
|
|
|
|
static reloc_howto_type elf_or32_howto_table[] =
|
static reloc_howto_type elf_or32_howto_table[] =
|
{
|
{
|
/* This reloc does nothing. */
|
/* This reloc does nothing. */
|
HOWTO (R_OR32_NONE, /* type */
|
HOWTO (R_OR32_NONE, /* type */
|
0, /* rightshift */
|
0, /* 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 */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_OR32_NONE", /* name */
|
"R_OR32_NONE", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A standard 32 bit relocation. */
|
/* A standard 32 bit relocation. */
|
HOWTO (R_OR32_32, /* type */
|
HOWTO (R_OR32_32, /* type */
|
0, /* rightshift */
|
0, /* 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 */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_OR32_32", /* name */
|
"R_OR32_32", /* name */
|
TRUE, /* partial_inplace */
|
TRUE, /* partial_inplace */
|
0xffffffff, /* src_mask */
|
0xffffffff, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A standard 16 bit relocation. */
|
/* A standard 16 bit relocation. */
|
HOWTO (R_OR32_16, /* type */
|
HOWTO (R_OR32_16, /* type */
|
0, /* rightshift */
|
0, /* 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 */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_OR32_16", /* name */
|
"R_OR32_16", /* name */
|
TRUE, /* partial_inplace */
|
TRUE, /* partial_inplace */
|
0x0000ffff, /* src_mask */
|
0x0000ffff, /* src_mask */
|
0x0000ffff, /* dst_mask */
|
0x0000ffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A standard 8 bit relocation. */
|
/* A standard 8 bit relocation. */
|
HOWTO (R_OR32_8, /* type */
|
HOWTO (R_OR32_8, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
8, /* bitsize */
|
8, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_OR32_8", /* name */
|
"R_OR32_8", /* name */
|
TRUE, /* partial_inplace */
|
TRUE, /* partial_inplace */
|
0x000000ff, /* src_mask */
|
0x000000ff, /* src_mask */
|
0x000000ff, /* dst_mask */
|
0x000000ff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A standard low 16 bit relocation. */
|
/* A standard low 16 bit relocation. */
|
HOWTO (R_OR32_CONST, /* type */
|
HOWTO (R_OR32_CONST, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* 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 */
|
or32_elf_const_reloc, /* special_function */
|
or32_elf_const_reloc, /* special_function */
|
"R_OR32_CONST", /* name */
|
"R_OR32_CONST", /* name */
|
TRUE, /* partial_inplace */
|
TRUE, /* partial_inplace */
|
0x0000ffff, /* src_mask */
|
0x0000ffff, /* src_mask */
|
0x0000ffff, /* dst_mask */
|
0x0000ffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A standard high 16 bit relocation. */
|
/* A standard high 16 bit relocation. */
|
HOWTO (R_OR32_CONSTH, /* type */
|
HOWTO (R_OR32_CONSTH, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* 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 */
|
or32_elf_consth_reloc, /* special_function */
|
or32_elf_consth_reloc, /* special_function */
|
"R_OR32_CONSTH", /* name */
|
"R_OR32_CONSTH", /* name */
|
TRUE, /* partial_inplace */
|
TRUE, /* partial_inplace */
|
0x0000ffff, /* src_mask */
|
0x0000ffff, /* src_mask */
|
0x0000ffff, /* dst_mask */
|
0x0000ffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A standard branch relocation. */
|
/* A standard branch relocation. */
|
HOWTO (R_OR32_JUMPTARG, /* type */
|
HOWTO (R_OR32_JUMPTARG, /* type */
|
2, /* rightshift */
|
2, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
28, /* bitsize */
|
28, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
or32_elf_generic_reloc,/* special_function */
|
or32_elf_generic_reloc,/* special_function */
|
"R_OR32_JUMPTARG", /* name */
|
"R_OR32_JUMPTARG", /* name */
|
TRUE, /* partial_inplace */
|
TRUE, /* partial_inplace */
|
0x03ffffff, /* src_mask */
|
0x03ffffff, /* src_mask */
|
0x03ffffff, /* dst_mask */
|
0x03ffffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* GNU extension to record C++ vtable hierarchy. */
|
/* GNU extension to record C++ vtable hierarchy. */
|
HOWTO (R_OR32_GNU_VTINHERIT, /* type */
|
HOWTO (R_OR32_GNU_VTINHERIT, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* bitsize */
|
0, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
NULL, /* special_function */
|
NULL, /* special_function */
|
"R_OR32_GNU_VTINHERIT", /* name */
|
"R_OR32_GNU_VTINHERIT", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* GNU extension to record C++ vtable member usage. */
|
/* GNU extension to record C++ vtable member usage. */
|
HOWTO (R_OR32_GNU_VTENTRY, /* type */
|
HOWTO (R_OR32_GNU_VTENTRY, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* bitsize */
|
0, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
_bfd_elf_rel_vtable_reloc_fn, /* special_function */
|
_bfd_elf_rel_vtable_reloc_fn, /* special_function */
|
"R_OR32_GNU_VTENTRY", /* name */
|
"R_OR32_GNU_VTENTRY", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
};
|
};
|
|
|
/* Map BFD reloc types to OR32 ELF reloc types. */
|
/* Map BFD reloc types to OR32 ELF reloc types. */
|
|
|
struct or32_reloc_map
|
struct or32_reloc_map
|
{
|
{
|
bfd_reloc_code_real_type bfd_reloc_val;
|
bfd_reloc_code_real_type bfd_reloc_val;
|
unsigned char elf_reloc_val;
|
unsigned char elf_reloc_val;
|
};
|
};
|
|
|
static const struct or32_reloc_map or32_reloc_map[] =
|
static const struct or32_reloc_map or32_reloc_map[] =
|
{
|
{
|
{ BFD_RELOC_NONE, R_OR32_NONE },
|
{ BFD_RELOC_NONE, R_OR32_NONE },
|
{ BFD_RELOC_32, R_OR32_32 },
|
{ BFD_RELOC_32, R_OR32_32 },
|
{ BFD_RELOC_16, R_OR32_16 },
|
{ BFD_RELOC_16, R_OR32_16 },
|
{ BFD_RELOC_8, R_OR32_8 },
|
{ BFD_RELOC_8, R_OR32_8 },
|
{ BFD_RELOC_LO16, R_OR32_CONST },
|
{ BFD_RELOC_LO16, R_OR32_CONST },
|
{ BFD_RELOC_HI16, R_OR32_CONSTH },
|
{ BFD_RELOC_HI16, R_OR32_CONSTH },
|
{ BFD_RELOC_28_PCREL_S2, R_OR32_JUMPTARG },
|
{ BFD_RELOC_28_PCREL_S2, R_OR32_JUMPTARG },
|
{ BFD_RELOC_VTABLE_INHERIT, R_OR32_GNU_VTINHERIT },
|
{ BFD_RELOC_VTABLE_INHERIT, R_OR32_GNU_VTINHERIT },
|
{ BFD_RELOC_VTABLE_ENTRY, R_OR32_GNU_VTENTRY },
|
{ BFD_RELOC_VTABLE_ENTRY, R_OR32_GNU_VTENTRY },
|
};
|
};
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
bfd_reloc_code_real_type code)
|
bfd_reloc_code_real_type code)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
|
|
for (i = ARRAY_SIZE (or32_reloc_map); i--;)
|
for (i = ARRAY_SIZE (or32_reloc_map); i--;)
|
if (or32_reloc_map[i].bfd_reloc_val == code)
|
if (or32_reloc_map[i].bfd_reloc_val == code)
|
return &elf_or32_howto_table[or32_reloc_map[i].elf_reloc_val];
|
return &elf_or32_howto_table[or32_reloc_map[i].elf_reloc_val];
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
const char *r_name)
|
const char *r_name)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
|
|
for (i = 0;
|
for (i = 0;
|
i < sizeof (elf_or32_howto_table) / sizeof (elf_or32_howto_table[0]);
|
i < sizeof (elf_or32_howto_table) / sizeof (elf_or32_howto_table[0]);
|
i++)
|
i++)
|
if (elf_or32_howto_table[i].name != NULL
|
if (elf_or32_howto_table[i].name != NULL
|
&& strcasecmp (elf_or32_howto_table[i].name, r_name) == 0)
|
&& strcasecmp (elf_or32_howto_table[i].name, r_name) == 0)
|
return &elf_or32_howto_table[i];
|
return &elf_or32_howto_table[i];
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Set the howto pointer for an OR32 ELF reloc. */
|
/* Set the howto pointer for an OR32 ELF reloc. */
|
|
|
static void
|
static void
|
or32_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
|
or32_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
|
arelent *cache_ptr,
|
arelent *cache_ptr,
|
Elf_Internal_Rela *dst)
|
Elf_Internal_Rela *dst)
|
{
|
{
|
unsigned int r_type;
|
unsigned int r_type;
|
|
|
r_type = ELF32_R_TYPE (dst->r_info);
|
r_type = ELF32_R_TYPE (dst->r_info);
|
BFD_ASSERT (r_type < (unsigned int) R_OR32_max);
|
BFD_ASSERT (r_type < (unsigned int) R_OR32_max);
|
cache_ptr->howto = &elf_or32_howto_table[r_type];
|
cache_ptr->howto = &elf_or32_howto_table[r_type];
|
|
|
asymbol *s = *(cache_ptr->sym_ptr_ptr);
|
asymbol *s = *(cache_ptr->sym_ptr_ptr);
|
if (ELF32_R_SYM(dst->r_info) && (s->flags & BSF_SECTION_SYM))
|
if (ELF32_R_SYM(dst->r_info) && (s->flags & BSF_SECTION_SYM))
|
cache_ptr->sym_ptr_ptr = s->section->symbol_ptr_ptr;
|
cache_ptr->sym_ptr_ptr = s->section->symbol_ptr_ptr;
|
}
|
}
|
|
|
#define TARGET_LITTLE_SYM bfd_elf32_or32_little_vec
|
#define TARGET_LITTLE_SYM bfd_elf32_or32_little_vec
|
#define TARGET_LITTLE_NAME "elf32-littleor32"
|
#define TARGET_LITTLE_NAME "elf32-littleor32"
|
#define TARGET_BIG_SYM bfd_elf32_or32_big_vec
|
#define TARGET_BIG_SYM bfd_elf32_or32_big_vec
|
#define TARGET_BIG_NAME "elf32-or32"
|
#define TARGET_BIG_NAME "elf32-or32"
|
#define ELF_ARCH bfd_arch_or32
|
#define ELF_ARCH bfd_arch_or32
|
#define ELF_MACHINE_CODE EM_OPENRISC
|
#define ELF_MACHINE_CODE EM_OPENRISC
|
#define ELF_MACHINE_ALT1 EM_OR32
|
#define ELF_MACHINE_ALT1 EM_OR32
|
#define ELF_MAXPAGESIZE 0x2000
|
#define ELF_MAXPAGESIZE 0x2000
|
|
|
#define elf_info_to_howto 0
|
#define elf_info_to_howto 0
|
#define elf_info_to_howto_rel or32_info_to_howto_rel
|
#define elf_info_to_howto_rel or32_info_to_howto_rel
|
#define elf_backend_object_p or32_elf_object_p
|
#define elf_backend_object_p or32_elf_object_p
|
#define elf_backend_final_write_processing \
|
#define elf_backend_final_write_processing \
|
or32_elf_final_write_processing
|
or32_elf_final_write_processing
|
|
|
#include "elf32-target.h"
|
#include "elf32-target.h"
|
|
|
