0e71e4955c
bfd-in.h, bfdio.c, coff-alpha.c, coff-arm.c, coff-h8300.c, coff-i860.c, coff-mcore.c, coff-or32.c, coff-ppc.c, coff-sh.c, coff-sparc.c, coffcode.h, coffgen.c, cofflink.c, cpu-cris.c, cpu-h8500.c, cpu-ns32k.c, ecoff.c, ecofflink.c, elf.c, elf32-dlx.c, elf32-fr30.c, elf32-frv.c, elf32-hppa.c, elf32-i860.c, elf32-ip2k.c, elf32-m32r.c, elf32-sh.c, elf32-v850.c, elf64-mips.c, elf64-sparc.c, elflink.c, i386aout.c, i386msdos.c, i386os9k.c, ieee.c, mach-o.c, nlm32-sparc.c, oasys.c, opncls.c, pdp11.c, pe-mips.c, peXXigen.c, pef.c, peicode.h, reloc.c, riscix.c, section.c, simple.c, som.c, sparclynx.c, targets.c, vms-misc.c, vms-tir.c, xsym.c, doc/chew.c, hosts/delta68.h, hosts/vaxbsd.h: Remove #if 0'd code throughout. Similarly, collapse #if 1'd code.
586 lines
20 KiB
C
586 lines
20 KiB
C
/* DLX specific support for 32-bit ELF
|
|
Copyright 2002, 2003, 2004 Free Software Foundation, Inc.
|
|
|
|
This file is part of BFD, the Binary File Descriptor library.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
|
#include "bfd.h"
|
|
#include "sysdep.h"
|
|
#include "libbfd.h"
|
|
#include "elf-bfd.h"
|
|
#include "elf/dlx.h"
|
|
|
|
int set_dlx_skip_hi16_flag PARAMS ((int));
|
|
|
|
static bfd_boolean elf32_dlx_check_relocs
|
|
PARAMS ((bfd *, struct bfd_link_info *, asection *,
|
|
const Elf_Internal_Rela *));
|
|
static void elf32_dlx_info_to_howto
|
|
PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
|
|
static void elf32_dlx_info_to_howto_rel
|
|
PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
|
|
static bfd_reloc_status_type elf32_dlx_relocate16
|
|
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
|
|
static bfd_reloc_status_type elf32_dlx_relocate26
|
|
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
|
|
static reloc_howto_type *elf32_dlx_reloc_type_lookup
|
|
PARAMS ((bfd *, bfd_reloc_code_real_type));
|
|
static bfd_reloc_status_type _bfd_dlx_elf_hi16_reloc
|
|
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
|
|
static reloc_howto_type * dlx_rtype_to_howto
|
|
PARAMS ((unsigned int));
|
|
|
|
|
|
#define USE_REL 1
|
|
|
|
#define bfd_elf32_bfd_reloc_type_lookup elf32_dlx_reloc_type_lookup
|
|
#define elf_info_to_howto elf32_dlx_info_to_howto
|
|
#define elf_info_to_howto_rel elf32_dlx_info_to_howto_rel
|
|
#define elf_backend_check_relocs elf32_dlx_check_relocs
|
|
|
|
static reloc_howto_type dlx_elf_howto_table[]=
|
|
{
|
|
/* No relocation. */
|
|
HOWTO (R_DLX_NONE, /* type */
|
|
0, /* rightshift */
|
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
|
0, /* bitsize */
|
|
FALSE, /* pc_relative */
|
|
0, /* bitpos */
|
|
complain_overflow_dont,/* complain_on_overflow */
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
"R_DLX_NONE", /* name */
|
|
FALSE, /* partial_inplace */
|
|
0, /* src_mask */
|
|
0, /* dst_mask */
|
|
FALSE), /* pcrel_offset */
|
|
|
|
/* 8 bit relocation. */
|
|
HOWTO (R_DLX_RELOC_8, /* type */
|
|
0, /* rightshift */
|
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
|
8, /* bitsize */
|
|
FALSE, /* pc_relative */
|
|
0, /* bitpos */
|
|
complain_overflow_dont,/* complain_on_overflow */
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
"R_DLX_RELOC_8", /* name */
|
|
TRUE, /* partial_inplace */
|
|
0xff, /* src_mask */
|
|
0xff, /* dst_mask */
|
|
FALSE), /* pcrel_offset */
|
|
|
|
/* 16 bit relocation. */
|
|
HOWTO (R_DLX_RELOC_16, /* type */
|
|
0, /* rightshift */
|
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
|
16, /* bitsize */
|
|
FALSE, /* pc_relative */
|
|
0, /* bitpos */
|
|
complain_overflow_dont,/* complain_on_overflow */
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
"R_DLX_RELOC_16", /* name */
|
|
TRUE, /* partial_inplace */
|
|
0xffff, /* src_mask */
|
|
0xffff, /* dst_mask */
|
|
FALSE), /* pcrel_offset */
|
|
|
|
/* 32 bit relocation. */
|
|
HOWTO (R_DLX_RELOC_32, /* type */
|
|
0, /* rightshift */
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
32, /* bitsize */
|
|
FALSE, /* pc_relative */
|
|
0, /* bitpos */
|
|
complain_overflow_dont,/* complain_on_overflow */
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
"R_DLX_RELOC_32", /* name */
|
|
TRUE, /* partial_inplace */
|
|
0xffffffff, /* src_mask */
|
|
0xffffffff, /* dst_mask */
|
|
FALSE), /* pcrel_offset */
|
|
|
|
/* GNU extension to record C++ vtable hierarchy */
|
|
HOWTO (R_DLX_GNU_VTINHERIT, /* type */
|
|
0, /* rightshift */
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
0, /* bitsize */
|
|
FALSE, /* pc_relative */
|
|
0, /* bitpos */
|
|
complain_overflow_dont,/* complain_on_overflow */
|
|
NULL, /* special_function */
|
|
"R_DLX_GNU_VTINHERIT", /* name */
|
|
FALSE, /* partial_inplace */
|
|
0, /* src_mask */
|
|
0, /* dst_mask */
|
|
FALSE), /* pcrel_offset */
|
|
|
|
/* GNU extension to record C++ vtable member usage */
|
|
HOWTO (R_DLX_GNU_VTENTRY, /* type */
|
|
0, /* rightshift */
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
0, /* bitsize */
|
|
FALSE, /* pc_relative */
|
|
0, /* bitpos */
|
|
complain_overflow_dont,/* complain_on_overflow */
|
|
_bfd_elf_rel_vtable_reloc_fn,/* special_function */
|
|
"R_DLX_GNU_VTENTRY", /* name */
|
|
FALSE, /* partial_inplace */
|
|
0, /* src_mask */
|
|
0, /* dst_mask */
|
|
FALSE) /* pcrel_offset */
|
|
};
|
|
|
|
/* 16 bit offset for pc-relative branches. */
|
|
static reloc_howto_type elf_dlx_gnu_rel16_s2 =
|
|
HOWTO (R_DLX_RELOC_16_PCREL, /* type */
|
|
0, /* rightshift */
|
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
|
16, /* bitsize */
|
|
TRUE, /* pc_relative */
|
|
0, /* bitpos */
|
|
complain_overflow_signed, /* complain_on_overflow */
|
|
elf32_dlx_relocate16, /* special_function */
|
|
"R_DLX_RELOC_16_PCREL",/* name */
|
|
TRUE, /* partial_inplace */
|
|
0xffff, /* src_mask */
|
|
0xffff, /* dst_mask */
|
|
TRUE); /* pcrel_offset */
|
|
|
|
/* 26 bit offset for pc-relative branches. */
|
|
static reloc_howto_type elf_dlx_gnu_rel26_s2 =
|
|
HOWTO (R_DLX_RELOC_26_PCREL, /* type */
|
|
0, /* rightshift */
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
26, /* bitsize */
|
|
TRUE, /* pc_relative */
|
|
0, /* bitpos */
|
|
complain_overflow_dont,/* complain_on_overflow */
|
|
elf32_dlx_relocate26, /* special_function */
|
|
"R_DLX_RELOC_26_PCREL",/* name */
|
|
TRUE, /* partial_inplace */
|
|
0xffff, /* src_mask */
|
|
0xffff, /* dst_mask */
|
|
TRUE); /* pcrel_offset */
|
|
|
|
/* High 16 bits of symbol value. */
|
|
static reloc_howto_type elf_dlx_reloc_16_hi =
|
|
HOWTO (R_DLX_RELOC_16_HI, /* type */
|
|
16, /* rightshift */
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
32, /* bitsize */
|
|
FALSE, /* pc_relative */
|
|
0, /* bitpos */
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
_bfd_dlx_elf_hi16_reloc,/* special_function */
|
|
"R_DLX_RELOC_16_HI", /* name */
|
|
TRUE, /* partial_inplace */
|
|
0xFFFF, /* src_mask */
|
|
0xffff, /* dst_mask */
|
|
FALSE); /* pcrel_offset */
|
|
|
|
/* Low 16 bits of symbol value. */
|
|
static reloc_howto_type elf_dlx_reloc_16_lo =
|
|
HOWTO (R_DLX_RELOC_16_LO, /* type */
|
|
0, /* rightshift */
|
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
|
16, /* bitsize */
|
|
FALSE, /* pc_relative */
|
|
0, /* bitpos */
|
|
complain_overflow_dont,/* complain_on_overflow */
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
"R_DLX_RELOC_16_LO", /* name */
|
|
TRUE, /* partial_inplace */
|
|
0xffff, /* src_mask */
|
|
0xffff, /* dst_mask */
|
|
FALSE); /* pcrel_offset */
|
|
|
|
|
|
/* The gas default behavior is not to preform the %hi modifier so that the
|
|
GNU assembler can have the lower 16 bits offset placed in the insn, BUT
|
|
we do like the gas to indicate it is %hi reloc type so when we in the link
|
|
loader phase we can have the corrected hi16 vale replace the buggous lo16
|
|
value that was placed there by gas. */
|
|
|
|
static int skip_dlx_elf_hi16_reloc = 0;
|
|
|
|
int
|
|
set_dlx_skip_hi16_flag (flag)
|
|
int flag;
|
|
{
|
|
skip_dlx_elf_hi16_reloc = flag;
|
|
return flag;
|
|
}
|
|
|
|
static bfd_reloc_status_type
|
|
_bfd_dlx_elf_hi16_reloc (abfd, reloc_entry, symbol, data,
|
|
input_section, output_bfd, error_message)
|
|
bfd *abfd;
|
|
arelent *reloc_entry;
|
|
asymbol *symbol;
|
|
PTR data;
|
|
asection *input_section;
|
|
bfd *output_bfd;
|
|
char **error_message;
|
|
{
|
|
bfd_reloc_status_type ret;
|
|
bfd_vma relocation;
|
|
|
|
/* If the skip flag is set then we simply do the generic relocating, this
|
|
is more of a hack for dlx gas/gld, so we do not need to do the %hi/%lo
|
|
fixup like mips gld did. */
|
|
if (skip_dlx_elf_hi16_reloc)
|
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
|
input_section, output_bfd, error_message);
|
|
|
|
/* If we're relocating, and this an external symbol, we don't want
|
|
to change anything. */
|
|
if (output_bfd != (bfd *) NULL
|
|
&& (symbol->flags & BSF_SECTION_SYM) == 0
|
|
&& reloc_entry->addend == 0)
|
|
{
|
|
reloc_entry->address += input_section->output_offset;
|
|
return bfd_reloc_ok;
|
|
}
|
|
|
|
ret = bfd_reloc_ok;
|
|
|
|
if (bfd_is_und_section (symbol->section)
|
|
&& output_bfd == (bfd *) NULL)
|
|
ret = bfd_reloc_undefined;
|
|
|
|
relocation = (bfd_is_com_section (symbol->section)) ? 0 : symbol->value;
|
|
relocation += symbol->section->output_section->vma;
|
|
relocation += symbol->section->output_offset;
|
|
relocation += reloc_entry->addend;
|
|
relocation += bfd_get_16 (abfd, (bfd_byte *)data + reloc_entry->address);
|
|
|
|
if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
|
|
return bfd_reloc_outofrange;
|
|
|
|
bfd_put_16 (abfd, (short)((relocation >> 16) & 0xFFFF),
|
|
(bfd_byte *)data + reloc_entry->address);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* ELF relocs are against symbols. If we are producing relocatable
|
|
output, and the reloc is against an external symbol, and nothing
|
|
has given us any additional addend, the resulting reloc will also
|
|
be against the same symbol. In such a case, we don't want to
|
|
change anything about the way the reloc is handled, since it will
|
|
all be done at final link time. Rather than put special case code
|
|
into bfd_perform_relocation, all the reloc types use this howto
|
|
function. It just short circuits the reloc if producing
|
|
relocatable output against an external symbol. */
|
|
|
|
static bfd_reloc_status_type
|
|
elf32_dlx_relocate16 (abfd, reloc_entry, symbol, data,
|
|
input_section, output_bfd, error_message)
|
|
bfd *abfd;
|
|
arelent *reloc_entry;
|
|
asymbol *symbol;
|
|
PTR data;
|
|
asection *input_section;
|
|
bfd *output_bfd;
|
|
char **error_message ATTRIBUTE_UNUSED;
|
|
{
|
|
unsigned long insn, vallo, allignment;
|
|
int val;
|
|
|
|
/* HACK: I think this first condition is necessary when producing
|
|
relocatable output. After the end of HACK, the code is identical
|
|
to bfd_elf_generic_reloc(). I would _guess_ the first change
|
|
belongs there rather than here. martindo 1998-10-23. */
|
|
|
|
if (skip_dlx_elf_hi16_reloc)
|
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
|
input_section, output_bfd, error_message);
|
|
|
|
/* Check undefined section and undefined symbols */
|
|
if (bfd_is_und_section (symbol->section)
|
|
&& output_bfd == (bfd *) NULL)
|
|
return bfd_reloc_undefined;
|
|
|
|
/* Can not support a long jump to sections other then .text */
|
|
if (strcmp (input_section->name, symbol->section->output_section->name) != 0)
|
|
{
|
|
fprintf (stderr,
|
|
"BFD Link Error: branch (PC rel16) to section (%s) not supported\n",
|
|
symbol->section->output_section->name);
|
|
return bfd_reloc_undefined;
|
|
}
|
|
|
|
insn = bfd_get_32 (abfd, (bfd_byte *)data + reloc_entry->address);
|
|
allignment = 1 << (input_section->output_section->alignment_power - 1);
|
|
vallo = insn & 0x0000FFFF;
|
|
|
|
if (vallo & 0x8000)
|
|
vallo = ~(vallo | 0xFFFF0000) + 1;
|
|
|
|
/* vallo points to the vma of next instruction. */
|
|
vallo += (((unsigned long)(input_section->output_section->vma +
|
|
input_section->output_offset) +
|
|
allignment) & ~allignment);
|
|
|
|
/* val is the displacement (PC relative to next instruction). */
|
|
val = (symbol->section->output_offset +
|
|
symbol->section->output_section->vma +
|
|
symbol->value) - vallo;
|
|
|
|
if (abs ((int) val) > 0x00007FFF)
|
|
return bfd_reloc_outofrange;
|
|
|
|
insn = (insn & 0xFFFF0000) | (val & 0x0000FFFF);
|
|
|
|
bfd_put_32 (abfd, insn,
|
|
(bfd_byte *) data + reloc_entry->address);
|
|
|
|
return bfd_reloc_ok;
|
|
}
|
|
|
|
static bfd_reloc_status_type
|
|
elf32_dlx_relocate26 (abfd, reloc_entry, symbol, data,
|
|
input_section, output_bfd, error_message)
|
|
bfd *abfd;
|
|
arelent *reloc_entry;
|
|
asymbol *symbol;
|
|
PTR data;
|
|
asection *input_section;
|
|
bfd *output_bfd;
|
|
char **error_message ATTRIBUTE_UNUSED;
|
|
{
|
|
unsigned long insn, vallo, allignment;
|
|
int val;
|
|
|
|
/* HACK: I think this first condition is necessary when producing
|
|
relocatable output. After the end of HACK, the code is identical
|
|
to bfd_elf_generic_reloc(). I would _guess_ the first change
|
|
belongs there rather than here. martindo 1998-10-23. */
|
|
|
|
if (skip_dlx_elf_hi16_reloc)
|
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
|
input_section, output_bfd, error_message);
|
|
|
|
/* Check undefined section and undefined symbols. */
|
|
if (bfd_is_und_section (symbol->section)
|
|
&& output_bfd == (bfd *) NULL)
|
|
return bfd_reloc_undefined;
|
|
|
|
/* Can not support a long jump to sections other then .text */
|
|
if (strcmp (input_section->name, symbol->section->output_section->name) != 0)
|
|
{
|
|
fprintf (stderr,
|
|
"BFD Link Error: jump (PC rel26) to section (%s) not supported\n",
|
|
symbol->section->output_section->name);
|
|
return bfd_reloc_undefined;
|
|
}
|
|
|
|
insn = bfd_get_32 (abfd, (bfd_byte *)data + reloc_entry->address);
|
|
allignment = 1 << (input_section->output_section->alignment_power - 1);
|
|
vallo = insn & 0x03FFFFFF;
|
|
|
|
if (vallo & 0x03000000)
|
|
vallo = ~(vallo | 0xFC000000) + 1;
|
|
|
|
/* vallo is the vma for the next instruction. */
|
|
vallo += (((unsigned long) (input_section->output_section->vma +
|
|
input_section->output_offset) +
|
|
allignment) & ~allignment);
|
|
|
|
/* val is the displacement (PC relative to next instruction). */
|
|
val = (symbol->section->output_offset +
|
|
symbol->section->output_section->vma + symbol->value)
|
|
- vallo;
|
|
|
|
if (abs ((int) val) > 0x01FFFFFF)
|
|
return bfd_reloc_outofrange;
|
|
|
|
insn = (insn & 0xFC000000) | (val & 0x03FFFFFF);
|
|
bfd_put_32 (abfd, insn,
|
|
(bfd_byte *) data + reloc_entry->address);
|
|
|
|
return bfd_reloc_ok;
|
|
}
|
|
|
|
/* A mapping from BFD reloc types to DLX ELF reloc types.
|
|
Stolen from elf32-mips.c.
|
|
|
|
More about this table - for dlx elf relocation we do not really
|
|
need this table, if we have a rtype defined in this table will
|
|
caused tc_gen_relocate confused and die on us, but if we remove
|
|
this table it will caused more problem, so for now simple solution
|
|
is to remove those entries which may cause problem. */
|
|
struct elf_reloc_map
|
|
{
|
|
bfd_reloc_code_real_type bfd_reloc_val;
|
|
enum elf_dlx_reloc_type elf_reloc_val;
|
|
};
|
|
|
|
static const struct elf_reloc_map dlx_reloc_map[] =
|
|
{
|
|
{ BFD_RELOC_NONE, R_DLX_NONE },
|
|
{ BFD_RELOC_16, R_DLX_RELOC_16 },
|
|
{ BFD_RELOC_32, R_DLX_RELOC_32 },
|
|
{ BFD_RELOC_DLX_HI16_S, R_DLX_RELOC_16_HI },
|
|
{ BFD_RELOC_DLX_LO16, R_DLX_RELOC_16_LO },
|
|
{ BFD_RELOC_VTABLE_INHERIT, R_DLX_GNU_VTINHERIT },
|
|
{ BFD_RELOC_VTABLE_ENTRY, R_DLX_GNU_VTENTRY }
|
|
};
|
|
|
|
|
|
/* Look through the relocs for a section during the first phase.
|
|
Since we don't do .gots or .plts, we just need to consider the
|
|
virtual table relocs for gc. */
|
|
|
|
static bfd_boolean
|
|
elf32_dlx_check_relocs (abfd, info, sec, relocs)
|
|
bfd *abfd;
|
|
struct bfd_link_info *info;
|
|
asection *sec;
|
|
const Elf_Internal_Rela *relocs;
|
|
{
|
|
Elf_Internal_Shdr *symtab_hdr;
|
|
struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
|
|
const Elf_Internal_Rela *rel;
|
|
const Elf_Internal_Rela *rel_end;
|
|
|
|
if (info->relocatable)
|
|
return TRUE;
|
|
|
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
|
sym_hashes = elf_sym_hashes (abfd);
|
|
sym_hashes_end = sym_hashes + symtab_hdr->sh_size / sizeof (Elf32_External_Sym);
|
|
if (!elf_bad_symtab (abfd))
|
|
sym_hashes_end -= symtab_hdr->sh_info;
|
|
|
|
rel_end = relocs + sec->reloc_count;
|
|
for (rel = relocs; rel < rel_end; rel++)
|
|
{
|
|
struct elf_link_hash_entry *h;
|
|
unsigned long r_symndx;
|
|
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
|
if (r_symndx < symtab_hdr->sh_info)
|
|
h = NULL;
|
|
else
|
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
|
|
|
switch (ELF32_R_TYPE (rel->r_info))
|
|
{
|
|
/* This relocation describes the C++ object vtable hierarchy.
|
|
Reconstruct it for later use during GC. */
|
|
case R_DLX_GNU_VTINHERIT:
|
|
if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
|
|
return FALSE;
|
|
break;
|
|
|
|
/* This relocation describes which C++ vtable entries are actually
|
|
used. Record for later use during GC. */
|
|
case R_DLX_GNU_VTENTRY:
|
|
if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
|
|
return FALSE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* Given a BFD reloc type, return a howto structure. */
|
|
|
|
static reloc_howto_type *
|
|
elf32_dlx_reloc_type_lookup (abfd, code)
|
|
bfd *abfd ATTRIBUTE_UNUSED;
|
|
bfd_reloc_code_real_type code;
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < sizeof (dlx_reloc_map) / sizeof (struct elf_reloc_map); i++)
|
|
if (dlx_reloc_map[i].bfd_reloc_val == code)
|
|
return &dlx_elf_howto_table[(int) dlx_reloc_map[i].elf_reloc_val];
|
|
|
|
switch (code)
|
|
{
|
|
default:
|
|
bfd_set_error (bfd_error_bad_value);
|
|
return NULL;
|
|
case BFD_RELOC_16_PCREL_S2:
|
|
return &elf_dlx_gnu_rel16_s2;
|
|
case BFD_RELOC_DLX_JMP26:
|
|
return &elf_dlx_gnu_rel26_s2;
|
|
case BFD_RELOC_HI16_S:
|
|
return &elf_dlx_reloc_16_hi;
|
|
case BFD_RELOC_LO16:
|
|
return &elf_dlx_reloc_16_lo;
|
|
}
|
|
}
|
|
|
|
static reloc_howto_type *
|
|
dlx_rtype_to_howto (r_type)
|
|
unsigned int r_type;
|
|
{
|
|
switch (r_type)
|
|
{
|
|
case R_DLX_RELOC_16_PCREL:
|
|
return & elf_dlx_gnu_rel16_s2;
|
|
break;
|
|
case R_DLX_RELOC_26_PCREL:
|
|
return & elf_dlx_gnu_rel26_s2;
|
|
break;
|
|
case R_DLX_RELOC_16_HI:
|
|
return & elf_dlx_reloc_16_hi;
|
|
break;
|
|
case R_DLX_RELOC_16_LO:
|
|
return & elf_dlx_reloc_16_lo;
|
|
break;
|
|
|
|
default:
|
|
BFD_ASSERT (r_type < (unsigned int) R_DLX_max);
|
|
return & dlx_elf_howto_table[r_type];
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
elf32_dlx_info_to_howto (abfd, cache_ptr, dst)
|
|
bfd * abfd ATTRIBUTE_UNUSED;
|
|
arelent * cache_ptr ATTRIBUTE_UNUSED;
|
|
Elf_Internal_Rela * dst ATTRIBUTE_UNUSED;
|
|
{
|
|
abort ();
|
|
}
|
|
|
|
static void
|
|
elf32_dlx_info_to_howto_rel (abfd, cache_ptr, dst)
|
|
bfd *abfd ATTRIBUTE_UNUSED;
|
|
arelent *cache_ptr;
|
|
Elf_Internal_Rela *dst;
|
|
{
|
|
unsigned int r_type;
|
|
|
|
r_type = ELF32_R_TYPE (dst->r_info);
|
|
cache_ptr->howto = dlx_rtype_to_howto (r_type);
|
|
return;
|
|
}
|
|
|
|
#define TARGET_BIG_SYM bfd_elf32_dlx_big_vec
|
|
#define TARGET_BIG_NAME "elf32-dlx"
|
|
#define ELF_ARCH bfd_arch_dlx
|
|
#define ELF_MACHINE_CODE EM_DLX
|
|
#define ELF_MAXPAGESIZE 1 /* FIXME: This number is wrong, It should be the page size in bytes. */
|
|
|
|
#include "elf32-target.h"
|