| Line 1... |
Line 1... |
/* 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.
|
|
Copyright (C) 2010 Embecosm Limited
|
Contributed by Ivan Guzvinec <ivang@opencores.org>
|
Contributed by Ivan Guzvinec <ivang@opencores.org>
|
|
Modified by Gyorgy Jeney <nog@sdf.lonestar.org> and
|
|
Balint Cristian <rezso@rdsor.ro>
|
|
Changed from Rel to Rela by Joern Rennecke <joern.rennecke@embecosm.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
|
| Line 22... |
Line 26... |
#include "sysdep.h"
|
#include "sysdep.h"
|
#include "bfd.h"
|
#include "bfd.h"
|
#include "libbfd.h"
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#include "libbfd.h"
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#include "elf-bfd.h"
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#include "elf-bfd.h"
|
#include "elf/or32.h"
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#include "elf/or32.h"
|
|
#include "elf/common.h"
|
#include "libiberty.h"
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#include "libiberty.h"
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|
|
|
/* We need RELA in order to handle highpart relocations independent of
|
|
the presence and/or location and/or value of a lowpart relocation. */
|
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#if 0
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/* 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
|
|
#endif
|
|
|
/* Set the right machine number for an OR32 ELF file. */
|
/* Set the right machine number for an OR32 ELF file. */
|
|
|
static bfd_boolean
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static bfd_boolean
|
or32_elf_object_p (bfd *abfd)
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or32_elf_object_p (bfd *abfd)
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| Line 44... |
Line 53... |
|
|
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)
|
{
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{
|
|
/* Pad the output file so that the aligned reloc section addresses aren't
|
|
* outside the file */
|
|
unsigned long zero = 0;
|
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if (bfd_seek (abfd, elf_tdata (abfd)->next_file_pos, SEEK_SET) != 0
|
|
|| bfd_bwrite (&zero, sizeof(zero), abfd) != sizeof(zero))
|
|
(*_bfd_error_handler) (_("%B: failed to ensure that reloc sections aren't outside file"), abfd);
|
|
|
elf_elfheader (abfd)->e_flags &=~ EF_OR32_MACH;
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elf_elfheader (abfd)->e_flags &=~ EF_OR32_MACH;
|
}
|
}
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|
|
|
#if 0 /* Not needed for RELA. */
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
or32_elf_32_reloc (bfd *abfd,
|
or32_elf_generic_reloc (bfd *abfd,
|
arelent *reloc_entry,
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arelent *reloc_entry,
|
asymbol *symbol,
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asymbol *symbol,
|
void * data,
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void * data,
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asection *input_section,
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asection *input_section,
|
bfd *output_bfd,
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bfd *output_bfd,
|
char **error_message ATTRIBUTE_UNUSED)
|
char **error_message ATTRIBUTE_UNUSED)
|
{
|
{
|
if (output_bfd != NULL)
|
bfd_signed_vma val;
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{
|
bfd_reloc_status_type status;
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unsigned long insn;
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bfd_boolean relocatable;
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bfd_size_type addr = reloc_entry->address;
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|
|
if (bfd_is_und_section (symbol->section) /*RGD fix linker undefined miss*/
|
reloc_entry->address += input_section->output_offset;
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&& output_bfd == (bfd *) NULL)
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|
return bfd_reloc_undefined;
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insn = bfd_get_32 (abfd, (bfd_byte *) data + addr);
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insn += symbol->section->output_section->vma;
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insn += symbol->section->output_offset;
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insn += symbol->value;
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bfd_put_32 (abfd, insn, (bfd_byte *) data + addr);
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|
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return bfd_reloc_ok;
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relocatable = (output_bfd != NULL);
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}
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|
|
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return bfd_reloc_continue;
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if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
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}
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return bfd_reloc_outofrange;
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|
|
static bfd_reloc_status_type
|
/* Build up the field adjustment in VAL. */
|
or32_elf_16_reloc (bfd *abfd,
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val = 0;
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arelent *reloc_entry,
|
if (!relocatable || (symbol->flags & BSF_SECTION_SYM) != 0)
|
asymbol *symbol,
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{
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void * data,
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/* Either we're calculating the final field value or we have a
|
asection *input_section,
|
relocation against a section symbol. Add in the section's
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bfd *output_bfd,
|
offset or address. */
|
char **error_message ATTRIBUTE_UNUSED)
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val += symbol->section->output_section->vma;
|
{
|
val += symbol->section->output_offset;
|
if (output_bfd != NULL)
|
}
|
|
|
|
if (!relocatable)
|
|
{
|
|
/* We're calculating the final field value. Add in the symbol's value
|
|
and, if pc-relative, subtract the address of the field itself. */
|
|
val += symbol->value;
|
|
if (reloc_entry->howto->pc_relative)
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|
val -= input_section->output_section->vma;
|
|
}
|
|
|
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if (reloc_entry->howto->pc_relative)
|
|
val -= input_section->output_offset;
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|
/* VAL is now the final adjustment. If we're keeping this relocation
|
|
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
|
|
VAL to the relocation field itself. */
|
|
if (relocatable && !reloc_entry->howto->partial_inplace)
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|
reloc_entry->addend += val;
|
|
else
|
{
|
{
|
unsigned short insn;
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/* Add in the separate addend, if any. */
|
bfd_size_type addr = reloc_entry->address;
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val += reloc_entry->addend;
|
|
/* Add VAL to the relocation field. */
|
reloc_entry->address += input_section->output_offset;
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status = _bfd_relocate_contents (reloc_entry->howto, abfd, val,
|
|
(bfd_byte *) data
|
insn = bfd_get_16 (abfd, (bfd_byte *) data + addr);
|
+ reloc_entry->address);
|
insn += symbol->section->output_section->vma;
|
if (status != bfd_reloc_ok)
|
insn += symbol->section->output_offset;
|
return status;
|
insn += symbol->value;
|
|
bfd_put_16 (abfd, insn, (bfd_byte *) data + addr);
|
|
|
|
return bfd_reloc_ok;
|
|
}
|
|
|
|
return bfd_reloc_continue;
|
|
}
|
}
|
|
if (relocatable)
|
static bfd_reloc_status_type
|
|
or32_elf_8_reloc (bfd *abfd ATTRIBUTE_UNUSED,
|
|
arelent *reloc_entry,
|
|
asymbol *symbol,
|
|
void * data,
|
|
asection *input_section,
|
|
bfd *output_bfd,
|
|
char **error_message ATTRIBUTE_UNUSED)
|
|
{
|
|
if (output_bfd != NULL)
|
|
{
|
|
unsigned char insn;
|
|
bfd_size_type addr = reloc_entry->address;
|
|
|
|
reloc_entry->address += input_section->output_offset;
|
reloc_entry->address += input_section->output_offset;
|
|
|
insn = bfd_get_8 (abfd, (bfd_byte *) data + addr);
|
|
insn += symbol->section->output_section->vma;
|
|
insn += symbol->section->output_offset;
|
|
insn += symbol->value;
|
|
bfd_put_8 (abfd, insn, (bfd_byte *) data + addr);
|
|
|
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
}
|
}
|
|
|
return bfd_reloc_continue;
|
|
}
|
|
|
|
/* 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
|
| Line 143... |
Line 143... |
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 *addr;
|
bfd_byte *data;
|
bfd_vma addend;
|
asection *input_section;
|
|
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,
|
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)
|
{
|
{
|
bfd_reloc_status_type ret;
|
|
bfd_vma relocation;
|
|
struct or32_consth *n;
|
struct or32_consth *n;
|
|
|
ret = bfd_reloc_ok;
|
|
|
|
if (bfd_is_und_section (symbol->section)
|
|
&& output_bfd == NULL)
|
|
ret = bfd_reloc_undefined;
|
|
|
|
if (bfd_is_com_section (symbol->section))
|
|
relocation = 0;
|
|
else
|
|
relocation = symbol->value;
|
|
|
|
relocation += symbol->section->output_section->vma;
|
|
relocation += symbol->section->output_offset;
|
|
relocation += reloc_entry->addend;
|
|
|
|
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;
|
n->addr = (bfd_byte *) data + reloc_entry->address;
|
|
n->addend = relocation;
|
/* Push this reloc on the list of pending relocations */
|
n->next = or32_consth_list;
|
n->next = or32_consth_list;
|
|
n->data = data;
|
|
n->input_section = input_section;
|
|
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 ret;
|
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. */
|
| Line 210... |
Line 197... |
void * data,
|
void * data,
|
asection *input_section,
|
asection *input_section,
|
bfd *output_bfd,
|
bfd *output_bfd,
|
char **error_message)
|
char **error_message)
|
{
|
{
|
if (or32_consth_list != NULL)
|
bfd_vma vallo;
|
{
|
if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
|
struct or32_consth *l;
|
return bfd_reloc_outofrange;
|
|
vallo = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address) & 0xffff;
|
l = or32_consth_list;
|
while (or32_consth_list != NULL)
|
while (l != NULL)
|
|
{
|
|
unsigned long insn;
|
|
unsigned long val;
|
|
unsigned long vallo;
|
|
struct or32_consth *next;
|
|
|
|
/* Do the HI16 relocation. Note that we actually don't need
|
|
to know anything about the LO16 itself, except where to
|
|
find the low 16 bits of the addend needed by the LO16. */
|
|
insn = bfd_get_32 (abfd, l->addr);
|
|
vallo = (bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address)
|
|
& 0xffff);
|
|
val = ((insn & 0xffff) << 16) + vallo;
|
|
val += l->addend;
|
|
|
|
insn = (insn &~ 0xffff) | ((val >> 16) & 0xffff);
|
|
bfd_put_32 (abfd, insn, l->addr);
|
|
|
|
next = l->next;
|
|
free (l);
|
|
l = next;
|
|
}
|
|
|
|
or32_consth_list = NULL;
|
|
}
|
|
|
|
if (output_bfd != NULL)
|
|
{
|
{
|
unsigned long insn, tmp;
|
bfd_reloc_status_type ret;
|
bfd_size_type addr = reloc_entry->address;
|
struct or32_consth *hi;
|
|
|
reloc_entry->address += input_section->output_offset;
|
|
|
|
insn = bfd_get_32 (abfd, (bfd_byte *) data + addr);
|
hi = or32_consth_list;
|
tmp = insn & 0x0000ffff;
|
|
tmp += symbol->section->output_section->vma;
|
|
tmp += symbol->section->output_offset;
|
|
tmp += symbol->value;
|
|
insn = (insn & 0xffff0000) | (tmp & 0x0000ffff);
|
|
bfd_put_32 (abfd, insn, (bfd_byte *) data + addr);
|
|
|
|
return bfd_reloc_ok;
|
/* 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. */
|
|
hi->rel.addend += vallo;
|
|
|
|
ret = or32_elf_generic_reloc (abfd, &hi->rel, symbol, hi->data,
|
|
hi->input_section, output_bfd,
|
|
error_message);
|
|
if (ret != bfd_reloc_ok)
|
|
return ret;
|
|
|
/* Now do the LO16 reloc in the usual way. */
|
or32_consth_list = hi->next;
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
free (hi);
|
input_section, output_bfd, error_message);
|
|
}
|
}
|
|
return or32_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
static bfd_reloc_status_type
|
input_section, output_bfd,
|
or32_elf_jumptarg_reloc (bfd *abfd,
|
error_message);
|
arelent *reloc_entry,
|
|
asymbol *symbol ATTRIBUTE_UNUSED,
|
|
void * data,
|
|
asection *input_section,
|
|
bfd *output_bfd,
|
|
char **error_message ATTRIBUTE_UNUSED)
|
|
{
|
|
if (output_bfd != NULL)
|
|
{
|
|
unsigned long insn, tmp;
|
|
bfd_size_type addr = reloc_entry->address;
|
|
|
|
reloc_entry->address += input_section->output_offset;
|
|
|
|
insn = bfd_get_32 (abfd, (bfd_byte *) data + addr);
|
|
tmp = insn | 0xfc000000;
|
|
tmp -= (input_section->output_offset >> 2);
|
|
insn = (insn & 0xfc000000) | (tmp & 0x03ffffff);
|
|
bfd_put_32 (abfd, insn, (bfd_byte *) data + addr);
|
|
|
|
return bfd_reloc_ok;
|
|
}
|
}
|
|
#endif
|
|
|
return bfd_reloc_continue;
|
|
}
|
|
|
|
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 */
|
| Line 318... |
Line 253... |
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 */
|
or32_elf_32_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_OR32_32", /* name */
|
"R_OR32_32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0xffffffff, /* src_mask */
|
0, /* 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 */
|
| Line 333... |
Line 268... |
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 */
|
or32_elf_16_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_OR32_16", /* name */
|
"R_OR32_16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0x0000ffff, /* src_mask */
|
0, /* 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 */
|
| Line 348... |
Line 283... |
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 */
|
or32_elf_8_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_OR32_8", /* name */
|
"R_OR32_8", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0x000000ff, /* src_mask */
|
0, /* 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 */
|
| Line 363... |
Line 298... |
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 */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_OR32_CONST", /* name */
|
"R_OR32_CONST", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0x0000ffff, /* src_mask */
|
0, /* 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 */
|
TRUE, /* 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 */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_OR32_CONSTH", /* name */
|
"R_OR32_CONSTH", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0xffff0000, /* src_mask */
|
0, /* 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_dont, /* complain_on_overflow */
|
or32_elf_jumptarg_reloc,/* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_OR32_JUMPTARG", /* name */
|
"R_OR32_JUMPTARG", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0x03ffffff, /* dst_mask */
|
0x03ffffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
FALSE), /* 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) */
|
| Line 431... |
Line 366... |
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
};
|
};
|
|
|
|
static bfd_boolean
|
|
or32_relocate_section (bfd * output_bfd,
|
|
struct bfd_link_info *info,
|
|
bfd * input_bfd,
|
|
asection * input_section,
|
|
bfd_byte * contents,
|
|
Elf_Internal_Rela * relocs,
|
|
Elf_Internal_Sym * local_syms,
|
|
asection ** local_sections)
|
|
{
|
|
Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
|
|
struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
|
|
Elf_Internal_Rela *rel= rel = relocs;
|
|
Elf_Internal_Rela *relend = relocs + input_section->reloc_count;
|
|
|
|
for (; rel < relend; rel++)
|
|
{
|
|
int r_type = ELF32_R_TYPE (rel->r_info);
|
|
reloc_howto_type *howto;
|
|
unsigned long r_symndx;
|
|
struct elf_link_hash_entry *h = NULL;
|
|
Elf_Internal_Sym *sym = NULL;
|
|
asection *sec = NULL;
|
|
bfd_vma relocation = 0;
|
|
bfd_reloc_status_type r;
|
|
const char *name = NULL;
|
|
|
|
if ((unsigned) r_type >= ARRAY_SIZE (elf_or32_howto_table))
|
|
{
|
|
bfd_set_error (bfd_error_bad_value);
|
|
return FALSE;
|
|
}
|
|
|
|
if (r_type == R_OR32_GNU_VTENTRY
|
|
|| r_type == R_OR32_GNU_VTINHERIT)
|
|
continue;
|
|
|
|
howto = &elf_or32_howto_table[r_type];
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
|
|
|
if (r_symndx < symtab_hdr->sh_info)
|
|
{
|
|
sym = local_syms + r_symndx;
|
|
sec = local_sections[r_symndx];
|
|
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
|
|
|
|
name = bfd_elf_string_from_elf_section
|
|
(input_bfd, symtab_hdr->sh_link, sym->st_name);
|
|
name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
|
|
}
|
|
else
|
|
{
|
|
bfd_boolean unresolved_reloc, warned;
|
|
|
|
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
|
|
r_symndx, symtab_hdr, sym_hashes,
|
|
h, sec, relocation,
|
|
unresolved_reloc, warned);
|
|
}
|
|
|
|
if (sec != NULL && elf_discarded_section (sec))
|
|
{
|
|
/* For relocs against symbols from removed linkonce sections,
|
|
or sections discarded by a linker script, we just want the
|
|
section contents zeroed. Avoid any special processing. */
|
|
_bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
|
|
rel->r_info = 0;
|
|
rel->r_addend = 0;
|
|
continue;
|
|
}
|
|
|
|
if (info->relocatable)
|
|
continue;
|
|
|
|
r = _bfd_final_link_relocate (howto, input_bfd, input_section, contents,
|
|
rel->r_offset, relocation, rel->r_addend);
|
|
if (r != bfd_reloc_ok)
|
|
{
|
|
const char *msg = NULL;
|
|
|
|
switch (r)
|
|
{
|
|
/* FIXME: give useful messages for possible errors. */
|
|
default:
|
|
msg = _("internal error: unknown error");
|
|
break;
|
|
}
|
|
if (msg)
|
|
r = info->callbacks->warning
|
|
(info, msg, name, input_bfd, input_section, rel->r_offset);
|
|
|
|
if (!r)
|
|
return FALSE;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
/* 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;
|
| Line 447... |
Line 480... |
{ 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_32_GOT_PCREL, 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 *
|
| Line 493... |
Line 526... |
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);
|
|
if (ELF32_R_SYM(dst->r_info) && (s->flags & BSF_SECTION_SYM))
|
|
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_OR32
|
#define ELF_MACHINE_CODE EM_OPENRISC
|
#define ELF_MAXPAGESIZE 0x1000
|
#define ELF_MACHINE_ALT1 EM_OR32
|
|
#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
|
|
#define elf_backend_rela_normal 1
|
|
#define elf_backend_relocate_section or32_relocate_section
|
|
|
#include "elf32-target.h"
|
#include "elf32-target.h"
|
|
|
No newline at end of file
|
No newline at end of file
|
