/* BFD backend for MIPS BSD (a.out) binaries.
|
/* BFD backend for MIPS BSD (a.out) binaries.
|
Copyright 1993, 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
|
Copyright 1993, 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
|
2005, 2007 Free Software Foundation, Inc.
|
2005, 2007 Free Software Foundation, Inc.
|
Written by Ralph Campbell.
|
Written by Ralph Campbell.
|
|
|
This file is part of BFD, the Binary File Descriptor library.
|
This file is part of BFD, the Binary File Descriptor library.
|
|
|
This program is free software; you can redistribute it and/or modify
|
This program is free software; you can redistribute it and/or modify
|
it under the terms of the GNU General Public License as published by
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 3 of the License, or
|
the Free Software Foundation; either version 3 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, write to the Free Software
|
along with this program; if not, write to the Free Software
|
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
MA 02110-1301, USA. */
|
MA 02110-1301, USA. */
|
|
|
|
|
/* #define ENTRY_CAN_BE_ZERO */
|
/* #define ENTRY_CAN_BE_ZERO */
|
#define N_HEADER_IN_TEXT(x) 1
|
#define N_HEADER_IN_TEXT(x) 1
|
#define N_SHARED_LIB(x) 0
|
#define N_SHARED_LIB(x) 0
|
#define N_TXTADDR(x) \
|
#define N_TXTADDR(x) \
|
(N_MAGIC(x) != ZMAGIC ? (x).a_entry : /* object file or NMAGIC */\
|
(N_MAGIC(x) != ZMAGIC ? (x).a_entry : /* object file or NMAGIC */\
|
TEXT_START_ADDR + EXEC_BYTES_SIZE /* no padding */\
|
TEXT_START_ADDR + EXEC_BYTES_SIZE /* no padding */\
|
)
|
)
|
#define N_DATADDR(x) (N_TXTADDR(x)+N_TXTSIZE(x))
|
#define N_DATADDR(x) (N_TXTADDR(x)+N_TXTSIZE(x))
|
#define TEXT_START_ADDR 4096
|
#define TEXT_START_ADDR 4096
|
#define TARGET_PAGE_SIZE 4096
|
#define TARGET_PAGE_SIZE 4096
|
#define SEGMENT_SIZE TARGET_PAGE_SIZE
|
#define SEGMENT_SIZE TARGET_PAGE_SIZE
|
#define DEFAULT_ARCH bfd_arch_mips
|
#define DEFAULT_ARCH bfd_arch_mips
|
#define MACHTYPE_OK(mtype) ((mtype) == M_UNKNOWN \
|
#define MACHTYPE_OK(mtype) ((mtype) == M_UNKNOWN \
|
|| (mtype) == M_MIPS1 || (mtype) == M_MIPS2)
|
|| (mtype) == M_MIPS1 || (mtype) == M_MIPS2)
|
#define MY_symbol_leading_char '\0'
|
#define MY_symbol_leading_char '\0'
|
|
|
/* Do not "beautify" the CONCAT* macro args. Traditional C will not
|
/* Do not "beautify" the CONCAT* macro args. Traditional C will not
|
remove whitespace added here, and thus will fail to concatenate
|
remove whitespace added here, and thus will fail to concatenate
|
the tokens. */
|
the tokens. */
|
#define MY(OP) CONCAT2 (mipsbsd_,OP)
|
#define MY(OP) CONCAT2 (mipsbsd_,OP)
|
|
|
#include "sysdep.h"
|
#include "sysdep.h"
|
#include "bfd.h"
|
#include "bfd.h"
|
#include "libbfd.h"
|
#include "libbfd.h"
|
#include "libaout.h"
|
#include "libaout.h"
|
|
|
#define SET_ARCH_MACH(ABFD, EXEC) \
|
#define SET_ARCH_MACH(ABFD, EXEC) \
|
MY(set_arch_mach) (ABFD, N_MACHTYPE (EXEC)); \
|
MY(set_arch_mach) (ABFD, N_MACHTYPE (EXEC)); \
|
MY(choose_reloc_size) (ABFD);
|
MY(choose_reloc_size) (ABFD);
|
static void MY(set_arch_mach) PARAMS ((bfd *abfd, unsigned long machtype));
|
static void MY(set_arch_mach) PARAMS ((bfd *abfd, unsigned long machtype));
|
static void MY(choose_reloc_size) PARAMS ((bfd *abfd));
|
static void MY(choose_reloc_size) PARAMS ((bfd *abfd));
|
|
|
#define MY_write_object_contents MY(write_object_contents)
|
#define MY_write_object_contents MY(write_object_contents)
|
static bfd_boolean MY(write_object_contents) PARAMS ((bfd *abfd));
|
static bfd_boolean MY(write_object_contents) PARAMS ((bfd *abfd));
|
|
|
/* We can't use MY(x) here because it leads to a recursive call to CONCAT2
|
/* We can't use MY(x) here because it leads to a recursive call to CONCAT2
|
when expanded inside JUMP_TABLE. */
|
when expanded inside JUMP_TABLE. */
|
#define MY_bfd_reloc_type_lookup mipsbsd_reloc_type_lookup
|
#define MY_bfd_reloc_type_lookup mipsbsd_reloc_type_lookup
|
#define MY_bfd_reloc_name_lookup mipsbsd_reloc_name_lookup
|
#define MY_bfd_reloc_name_lookup mipsbsd_reloc_name_lookup
|
#define MY_canonicalize_reloc mipsbsd_canonicalize_reloc
|
#define MY_canonicalize_reloc mipsbsd_canonicalize_reloc
|
|
|
#define MY_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
|
#define MY_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
|
#define MY_bfd_link_add_symbols _bfd_generic_link_add_symbols
|
#define MY_bfd_link_add_symbols _bfd_generic_link_add_symbols
|
#define MY_final_link_callback unused
|
#define MY_final_link_callback unused
|
#define MY_bfd_final_link _bfd_generic_final_link
|
#define MY_bfd_final_link _bfd_generic_final_link
|
|
|
#define MY_backend_data &MY(backend_data)
|
#define MY_backend_data &MY(backend_data)
|
#define MY_BFD_TARGET
|
#define MY_BFD_TARGET
|
|
|
#include "aout-target.h"
|
#include "aout-target.h"
|
|
|
static bfd_reloc_status_type mips_fix_jmp_addr
|
static bfd_reloc_status_type mips_fix_jmp_addr
|
PARAMS ((bfd *, arelent *, struct bfd_symbol *, PTR, asection *,
|
PARAMS ((bfd *, arelent *, struct bfd_symbol *, PTR, asection *,
|
bfd *, char **));
|
bfd *, char **));
|
|
|
long MY(canonicalize_reloc) PARAMS ((bfd *, sec_ptr, arelent **, asymbol **));
|
long MY(canonicalize_reloc) PARAMS ((bfd *, sec_ptr, arelent **, asymbol **));
|
|
|
static void
|
static void
|
MY(set_arch_mach) (abfd, machtype)
|
MY(set_arch_mach) (abfd, machtype)
|
bfd *abfd;
|
bfd *abfd;
|
unsigned long machtype;
|
unsigned long machtype;
|
{
|
{
|
enum bfd_architecture arch;
|
enum bfd_architecture arch;
|
unsigned int machine;
|
unsigned int machine;
|
|
|
/* Determine the architecture and machine type of the object file. */
|
/* Determine the architecture and machine type of the object file. */
|
switch (machtype)
|
switch (machtype)
|
{
|
{
|
case M_MIPS1:
|
case M_MIPS1:
|
arch = bfd_arch_mips;
|
arch = bfd_arch_mips;
|
machine = bfd_mach_mips3000;
|
machine = bfd_mach_mips3000;
|
break;
|
break;
|
|
|
case M_MIPS2:
|
case M_MIPS2:
|
arch = bfd_arch_mips;
|
arch = bfd_arch_mips;
|
machine = bfd_mach_mips4000;
|
machine = bfd_mach_mips4000;
|
break;
|
break;
|
|
|
default:
|
default:
|
arch = bfd_arch_obscure;
|
arch = bfd_arch_obscure;
|
machine = 0;
|
machine = 0;
|
break;
|
break;
|
}
|
}
|
|
|
bfd_set_arch_mach (abfd, arch, machine);
|
bfd_set_arch_mach (abfd, arch, machine);
|
}
|
}
|
|
|
/* Determine the size of a relocation entry, based on the architecture */
|
/* Determine the size of a relocation entry, based on the architecture */
|
static void
|
static void
|
MY (choose_reloc_size) (abfd)
|
MY (choose_reloc_size) (abfd)
|
bfd *abfd;
|
bfd *abfd;
|
{
|
{
|
switch (bfd_get_arch (abfd))
|
switch (bfd_get_arch (abfd))
|
{
|
{
|
case bfd_arch_sparc:
|
case bfd_arch_sparc:
|
case bfd_arch_mips:
|
case bfd_arch_mips:
|
obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE;
|
obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE;
|
break;
|
break;
|
default:
|
default:
|
obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
|
obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
/* Write an object file in BSD a.out format.
|
/* Write an object file in BSD a.out format.
|
Section contents have already been written. We write the
|
Section contents have already been written. We write the
|
file header, symbols, and relocation. */
|
file header, symbols, and relocation. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
MY (write_object_contents) (abfd)
|
MY (write_object_contents) (abfd)
|
bfd *abfd;
|
bfd *abfd;
|
{
|
{
|
struct external_exec exec_bytes;
|
struct external_exec exec_bytes;
|
struct internal_exec *execp = exec_hdr (abfd);
|
struct internal_exec *execp = exec_hdr (abfd);
|
|
|
/* Magic number, maestro, please! */
|
/* Magic number, maestro, please! */
|
switch (bfd_get_arch (abfd))
|
switch (bfd_get_arch (abfd))
|
{
|
{
|
case bfd_arch_m68k:
|
case bfd_arch_m68k:
|
switch (bfd_get_mach (abfd))
|
switch (bfd_get_mach (abfd))
|
{
|
{
|
case bfd_mach_m68010:
|
case bfd_mach_m68010:
|
N_SET_MACHTYPE (*execp, M_68010);
|
N_SET_MACHTYPE (*execp, M_68010);
|
break;
|
break;
|
default:
|
default:
|
case bfd_mach_m68020:
|
case bfd_mach_m68020:
|
N_SET_MACHTYPE (*execp, M_68020);
|
N_SET_MACHTYPE (*execp, M_68020);
|
break;
|
break;
|
}
|
}
|
break;
|
break;
|
case bfd_arch_sparc:
|
case bfd_arch_sparc:
|
N_SET_MACHTYPE (*execp, M_SPARC);
|
N_SET_MACHTYPE (*execp, M_SPARC);
|
break;
|
break;
|
case bfd_arch_i386:
|
case bfd_arch_i386:
|
N_SET_MACHTYPE (*execp, M_386);
|
N_SET_MACHTYPE (*execp, M_386);
|
break;
|
break;
|
case bfd_arch_mips:
|
case bfd_arch_mips:
|
switch (bfd_get_mach (abfd))
|
switch (bfd_get_mach (abfd))
|
{
|
{
|
case bfd_mach_mips4000:
|
case bfd_mach_mips4000:
|
case bfd_mach_mips6000:
|
case bfd_mach_mips6000:
|
N_SET_MACHTYPE (*execp, M_MIPS2);
|
N_SET_MACHTYPE (*execp, M_MIPS2);
|
break;
|
break;
|
default:
|
default:
|
N_SET_MACHTYPE (*execp, M_MIPS1);
|
N_SET_MACHTYPE (*execp, M_MIPS1);
|
break;
|
break;
|
}
|
}
|
break;
|
break;
|
default:
|
default:
|
N_SET_MACHTYPE (*execp, M_UNKNOWN);
|
N_SET_MACHTYPE (*execp, M_UNKNOWN);
|
}
|
}
|
|
|
MY (choose_reloc_size) (abfd);
|
MY (choose_reloc_size) (abfd);
|
|
|
WRITE_HEADERS (abfd, execp);
|
WRITE_HEADERS (abfd, execp);
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* MIPS relocation types. */
|
/* MIPS relocation types. */
|
#define MIPS_RELOC_32 0
|
#define MIPS_RELOC_32 0
|
#define MIPS_RELOC_JMP 1
|
#define MIPS_RELOC_JMP 1
|
#define MIPS_RELOC_WDISP16 2
|
#define MIPS_RELOC_WDISP16 2
|
#define MIPS_RELOC_HI16 3
|
#define MIPS_RELOC_HI16 3
|
#define MIPS_RELOC_HI16_S 4
|
#define MIPS_RELOC_HI16_S 4
|
#define MIPS_RELOC_LO16 5
|
#define MIPS_RELOC_LO16 5
|
|
|
/* This is only called when performing a BFD_RELOC_MIPS_JMP relocation.
|
/* This is only called when performing a BFD_RELOC_MIPS_JMP relocation.
|
The jump destination address is formed from the upper 4 bits of the
|
The jump destination address is formed from the upper 4 bits of the
|
"current" program counter concatenated with the jump instruction's
|
"current" program counter concatenated with the jump instruction's
|
26 bit field and two trailing zeros.
|
26 bit field and two trailing zeros.
|
If the destination address is not in the same segment as the "current"
|
If the destination address is not in the same segment as the "current"
|
program counter, then we need to signal an error. */
|
program counter, then we need to signal an error. */
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
mips_fix_jmp_addr (abfd, reloc_entry, symbol, data, input_section, output_bfd,
|
mips_fix_jmp_addr (abfd, reloc_entry, symbol, data, input_section, output_bfd,
|
error_message)
|
error_message)
|
bfd *abfd ATTRIBUTE_UNUSED;
|
bfd *abfd ATTRIBUTE_UNUSED;
|
arelent *reloc_entry;
|
arelent *reloc_entry;
|
struct bfd_symbol *symbol;
|
struct bfd_symbol *symbol;
|
PTR data ATTRIBUTE_UNUSED;
|
PTR data ATTRIBUTE_UNUSED;
|
asection *input_section;
|
asection *input_section;
|
bfd *output_bfd;
|
bfd *output_bfd;
|
char **error_message ATTRIBUTE_UNUSED;
|
char **error_message ATTRIBUTE_UNUSED;
|
{
|
{
|
bfd_vma relocation, pc;
|
bfd_vma relocation, pc;
|
|
|
/* If this is a partial relocation, just continue. */
|
/* If this is a partial relocation, just continue. */
|
if (output_bfd != (bfd *)NULL)
|
if (output_bfd != (bfd *)NULL)
|
return bfd_reloc_continue;
|
return bfd_reloc_continue;
|
|
|
/* If this is an undefined symbol, return error */
|
/* If this is an undefined symbol, return error */
|
if (bfd_is_und_section (symbol->section)
|
if (bfd_is_und_section (symbol->section)
|
&& (symbol->flags & BSF_WEAK) == 0)
|
&& (symbol->flags & BSF_WEAK) == 0)
|
return bfd_reloc_undefined;
|
return bfd_reloc_undefined;
|
|
|
/* Work out which section the relocation is targeted at and the
|
/* Work out which section the relocation is targeted at and the
|
initial relocation command value. */
|
initial relocation command value. */
|
if (bfd_is_com_section (symbol->section))
|
if (bfd_is_com_section (symbol->section))
|
relocation = 0;
|
relocation = 0;
|
else
|
else
|
relocation = symbol->value;
|
relocation = symbol->value;
|
|
|
relocation += symbol->section->output_section->vma;
|
relocation += symbol->section->output_section->vma;
|
relocation += symbol->section->output_offset;
|
relocation += symbol->section->output_offset;
|
relocation += reloc_entry->addend;
|
relocation += reloc_entry->addend;
|
|
|
pc = input_section->output_section->vma + input_section->output_offset +
|
pc = input_section->output_section->vma + input_section->output_offset +
|
reloc_entry->address + 4;
|
reloc_entry->address + 4;
|
|
|
if ((relocation & 0xF0000000) != (pc & 0xF0000000))
|
if ((relocation & 0xF0000000) != (pc & 0xF0000000))
|
return bfd_reloc_overflow;
|
return bfd_reloc_overflow;
|
|
|
return bfd_reloc_continue;
|
return bfd_reloc_continue;
|
}
|
}
|
|
|
/* This is only called when performing a BFD_RELOC_HI16_S relocation.
|
/* This is only called when performing a BFD_RELOC_HI16_S relocation.
|
We need to see if bit 15 is set in the result. If it is, we add
|
We need to see if bit 15 is set in the result. If it is, we add
|
0x10000 and continue normally. This will compensate for the sign extension
|
0x10000 and continue normally. This will compensate for the sign extension
|
when the low bits are added at run time. */
|
when the low bits are added at run time. */
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
mips_fix_hi16_s PARAMS ((bfd *, arelent *, asymbol *, PTR,
|
mips_fix_hi16_s PARAMS ((bfd *, arelent *, asymbol *, PTR,
|
asection *, bfd *, char **));
|
asection *, bfd *, char **));
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
mips_fix_hi16_s (abfd, reloc_entry, symbol, data, input_section,
|
mips_fix_hi16_s (abfd, reloc_entry, symbol, data, input_section,
|
output_bfd, error_message)
|
output_bfd, error_message)
|
bfd *abfd ATTRIBUTE_UNUSED;
|
bfd *abfd ATTRIBUTE_UNUSED;
|
arelent *reloc_entry;
|
arelent *reloc_entry;
|
asymbol *symbol;
|
asymbol *symbol;
|
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;
|
{
|
{
|
bfd_vma relocation;
|
bfd_vma relocation;
|
|
|
/* If this is a partial relocation, just continue. */
|
/* If this is a partial relocation, just continue. */
|
if (output_bfd != (bfd *)NULL)
|
if (output_bfd != (bfd *)NULL)
|
return bfd_reloc_continue;
|
return bfd_reloc_continue;
|
|
|
/* If this is an undefined symbol, return error. */
|
/* If this is an undefined symbol, return error. */
|
if (bfd_is_und_section (symbol->section)
|
if (bfd_is_und_section (symbol->section)
|
&& (symbol->flags & BSF_WEAK) == 0)
|
&& (symbol->flags & BSF_WEAK) == 0)
|
return bfd_reloc_undefined;
|
return bfd_reloc_undefined;
|
|
|
/* Work out which section the relocation is targeted at and the
|
/* Work out which section the relocation is targeted at and the
|
initial relocation command value. */
|
initial relocation command value. */
|
if (bfd_is_com_section (symbol->section))
|
if (bfd_is_com_section (symbol->section))
|
relocation = 0;
|
relocation = 0;
|
else
|
else
|
relocation = symbol->value;
|
relocation = symbol->value;
|
|
|
relocation += symbol->section->output_section->vma;
|
relocation += symbol->section->output_section->vma;
|
relocation += symbol->section->output_offset;
|
relocation += symbol->section->output_offset;
|
relocation += reloc_entry->addend;
|
relocation += reloc_entry->addend;
|
|
|
if (relocation & 0x8000)
|
if (relocation & 0x8000)
|
reloc_entry->addend += 0x10000;
|
reloc_entry->addend += 0x10000;
|
|
|
return bfd_reloc_continue;
|
return bfd_reloc_continue;
|
}
|
}
|
|
|
static reloc_howto_type mips_howto_table_ext[] = {
|
static reloc_howto_type mips_howto_table_ext[] = {
|
{MIPS_RELOC_32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, 0,
|
{MIPS_RELOC_32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, 0,
|
"32", FALSE, 0, 0xffffffff, FALSE},
|
"32", FALSE, 0, 0xffffffff, FALSE},
|
{MIPS_RELOC_JMP, 2, 2, 26, FALSE, 0, complain_overflow_dont,
|
{MIPS_RELOC_JMP, 2, 2, 26, FALSE, 0, complain_overflow_dont,
|
mips_fix_jmp_addr,
|
mips_fix_jmp_addr,
|
"MIPS_JMP", FALSE, 0, 0x03ffffff, FALSE},
|
"MIPS_JMP", FALSE, 0, 0x03ffffff, FALSE},
|
{MIPS_RELOC_WDISP16, 2, 2, 16, TRUE, 0, complain_overflow_signed, 0,
|
{MIPS_RELOC_WDISP16, 2, 2, 16, TRUE, 0, complain_overflow_signed, 0,
|
"WDISP16", FALSE, 0, 0x0000ffff, FALSE},
|
"WDISP16", FALSE, 0, 0x0000ffff, FALSE},
|
{MIPS_RELOC_HI16, 16, 2, 16, FALSE, 0, complain_overflow_bitfield, 0,
|
{MIPS_RELOC_HI16, 16, 2, 16, FALSE, 0, complain_overflow_bitfield, 0,
|
"HI16", FALSE, 0, 0x0000ffff, FALSE},
|
"HI16", FALSE, 0, 0x0000ffff, FALSE},
|
{MIPS_RELOC_HI16_S, 16, 2, 16, FALSE, 0, complain_overflow_bitfield,
|
{MIPS_RELOC_HI16_S, 16, 2, 16, FALSE, 0, complain_overflow_bitfield,
|
mips_fix_hi16_s,
|
mips_fix_hi16_s,
|
"HI16_S", FALSE, 0, 0x0000ffff, FALSE},
|
"HI16_S", FALSE, 0, 0x0000ffff, FALSE},
|
{MIPS_RELOC_LO16, 0, 2, 16, FALSE, 0, complain_overflow_dont, 0,
|
{MIPS_RELOC_LO16, 0, 2, 16, FALSE, 0, complain_overflow_dont, 0,
|
"LO16", FALSE, 0, 0x0000ffff, FALSE},
|
"LO16", FALSE, 0, 0x0000ffff, FALSE},
|
};
|
};
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
MY(reloc_type_lookup) (bfd *abfd, bfd_reloc_code_real_type code)
|
MY(reloc_type_lookup) (bfd *abfd, bfd_reloc_code_real_type code)
|
{
|
{
|
|
|
if (bfd_get_arch (abfd) != bfd_arch_mips)
|
if (bfd_get_arch (abfd) != bfd_arch_mips)
|
return 0;
|
return 0;
|
|
|
switch (code)
|
switch (code)
|
{
|
{
|
case BFD_RELOC_CTOR:
|
case BFD_RELOC_CTOR:
|
case BFD_RELOC_32:
|
case BFD_RELOC_32:
|
return (&mips_howto_table_ext[MIPS_RELOC_32]);
|
return (&mips_howto_table_ext[MIPS_RELOC_32]);
|
case BFD_RELOC_MIPS_JMP:
|
case BFD_RELOC_MIPS_JMP:
|
return (&mips_howto_table_ext[MIPS_RELOC_JMP]);
|
return (&mips_howto_table_ext[MIPS_RELOC_JMP]);
|
case BFD_RELOC_16_PCREL_S2:
|
case BFD_RELOC_16_PCREL_S2:
|
return (&mips_howto_table_ext[MIPS_RELOC_WDISP16]);
|
return (&mips_howto_table_ext[MIPS_RELOC_WDISP16]);
|
case BFD_RELOC_HI16:
|
case BFD_RELOC_HI16:
|
return (&mips_howto_table_ext[MIPS_RELOC_HI16]);
|
return (&mips_howto_table_ext[MIPS_RELOC_HI16]);
|
case BFD_RELOC_HI16_S:
|
case BFD_RELOC_HI16_S:
|
return (&mips_howto_table_ext[MIPS_RELOC_HI16_S]);
|
return (&mips_howto_table_ext[MIPS_RELOC_HI16_S]);
|
case BFD_RELOC_LO16:
|
case BFD_RELOC_LO16:
|
return (&mips_howto_table_ext[MIPS_RELOC_LO16]);
|
return (&mips_howto_table_ext[MIPS_RELOC_LO16]);
|
default:
|
default:
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
MY(reloc_name_lookup) (bfd *abfd ATTRIBUTE_UNUSED,
|
MY(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 (mips_howto_table_ext) / sizeof (mips_howto_table_ext[0]);
|
i < sizeof (mips_howto_table_ext) / sizeof (mips_howto_table_ext[0]);
|
i++)
|
i++)
|
if (mips_howto_table_ext[i].name != NULL
|
if (mips_howto_table_ext[i].name != NULL
|
&& strcasecmp (mips_howto_table_ext[i].name, r_name) == 0)
|
&& strcasecmp (mips_howto_table_ext[i].name, r_name) == 0)
|
return &mips_howto_table_ext[i];
|
return &mips_howto_table_ext[i];
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* This is just like the standard aoutx.h version but we need to do our
|
/* This is just like the standard aoutx.h version but we need to do our
|
own mapping of external reloc type values to howto entries. */
|
own mapping of external reloc type values to howto entries. */
|
long
|
long
|
MY(canonicalize_reloc) (abfd, section, relptr, symbols)
|
MY(canonicalize_reloc) (abfd, section, relptr, symbols)
|
bfd *abfd;
|
bfd *abfd;
|
sec_ptr section;
|
sec_ptr section;
|
arelent **relptr;
|
arelent **relptr;
|
asymbol **symbols;
|
asymbol **symbols;
|
{
|
{
|
arelent *tblptr = section->relocation;
|
arelent *tblptr = section->relocation;
|
unsigned int count, c;
|
unsigned int count, c;
|
extern reloc_howto_type NAME(aout,ext_howto_table)[];
|
extern reloc_howto_type NAME(aout,ext_howto_table)[];
|
|
|
/* If we have already read in the relocation table, return the values. */
|
/* If we have already read in the relocation table, return the values. */
|
if (section->flags & SEC_CONSTRUCTOR)
|
if (section->flags & SEC_CONSTRUCTOR)
|
{
|
{
|
arelent_chain *chain = section->constructor_chain;
|
arelent_chain *chain = section->constructor_chain;
|
|
|
for (count = 0; count < section->reloc_count; count++)
|
for (count = 0; count < section->reloc_count; count++)
|
{
|
{
|
*relptr++ = &chain->relent;
|
*relptr++ = &chain->relent;
|
chain = chain->next;
|
chain = chain->next;
|
}
|
}
|
*relptr = 0;
|
*relptr = 0;
|
return section->reloc_count;
|
return section->reloc_count;
|
}
|
}
|
|
|
if (tblptr && section->reloc_count)
|
if (tblptr && section->reloc_count)
|
{
|
{
|
for (count = 0; count++ < section->reloc_count;)
|
for (count = 0; count++ < section->reloc_count;)
|
*relptr++ = tblptr++;
|
*relptr++ = tblptr++;
|
*relptr = 0;
|
*relptr = 0;
|
return section->reloc_count;
|
return section->reloc_count;
|
}
|
}
|
|
|
if (!NAME(aout,slurp_reloc_table) (abfd, section, symbols))
|
if (!NAME(aout,slurp_reloc_table) (abfd, section, symbols))
|
return -1;
|
return -1;
|
tblptr = section->relocation;
|
tblptr = section->relocation;
|
|
|
/* fix up howto entries. */
|
/* fix up howto entries. */
|
for (count = 0; count++ < section->reloc_count;)
|
for (count = 0; count++ < section->reloc_count;)
|
{
|
{
|
c = tblptr->howto - NAME(aout,ext_howto_table);
|
c = tblptr->howto - NAME(aout,ext_howto_table);
|
tblptr->howto = &mips_howto_table_ext[c];
|
tblptr->howto = &mips_howto_table_ext[c];
|
|
|
*relptr++ = tblptr++;
|
*relptr++ = tblptr++;
|
}
|
}
|
*relptr = 0;
|
*relptr = 0;
|
return section->reloc_count;
|
return section->reloc_count;
|
}
|
}
|
|
|
static const struct aout_backend_data MY(backend_data) = {
|
static const struct aout_backend_data MY(backend_data) = {
|
0, /* zmagic contiguous */
|
0, /* zmagic contiguous */
|
1, /* text incl header */
|
1, /* text incl header */
|
0, /* entry is text address */
|
0, /* entry is text address */
|
0, /* exec_hdr_flags */
|
0, /* exec_hdr_flags */
|
TARGET_PAGE_SIZE, /* text vma */
|
TARGET_PAGE_SIZE, /* text vma */
|
MY_set_sizes,
|
MY_set_sizes,
|
0, /* text size includes exec header */
|
0, /* text size includes exec header */
|
0, /* add_dynamic_symbols */
|
0, /* add_dynamic_symbols */
|
0, /* add_one_symbol */
|
0, /* add_one_symbol */
|
0, /* link_dynamic_object */
|
0, /* link_dynamic_object */
|
0, /* write_dynamic_symbol */
|
0, /* write_dynamic_symbol */
|
0, /* check_dynamic_reloc */
|
0, /* check_dynamic_reloc */
|
0 /* finish_dynamic_link */
|
0 /* finish_dynamic_link */
|
};
|
};
|
|
|
extern const bfd_target aout_mips_big_vec;
|
extern const bfd_target aout_mips_big_vec;
|
|
|
const bfd_target aout_mips_little_vec =
|
const bfd_target aout_mips_little_vec =
|
{
|
{
|
"a.out-mips-little", /* name */
|
"a.out-mips-little", /* name */
|
bfd_target_aout_flavour,
|
bfd_target_aout_flavour,
|
BFD_ENDIAN_LITTLE, /* target byte order (little) */
|
BFD_ENDIAN_LITTLE, /* target byte order (little) */
|
BFD_ENDIAN_LITTLE, /* target headers byte order (little) */
|
BFD_ENDIAN_LITTLE, /* target headers byte order (little) */
|
(HAS_RELOC | EXEC_P | /* object flags */
|
(HAS_RELOC | EXEC_P | /* object flags */
|
HAS_LINENO | HAS_DEBUG |
|
HAS_LINENO | HAS_DEBUG |
|
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
|
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
|
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
|
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
|
MY_symbol_leading_char,
|
MY_symbol_leading_char,
|
' ', /* ar_pad_char */
|
' ', /* ar_pad_char */
|
15, /* ar_max_namelen */
|
15, /* ar_max_namelen */
|
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
|
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
|
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
|
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
|
{_bfd_dummy_target, MY_object_p, /* bfd_check_format */
|
{_bfd_dummy_target, MY_object_p, /* bfd_check_format */
|
bfd_generic_archive_p, MY_core_file_p},
|
bfd_generic_archive_p, MY_core_file_p},
|
{bfd_false, MY_mkobject, /* bfd_set_format */
|
{bfd_false, MY_mkobject, /* bfd_set_format */
|
_bfd_generic_mkarchive, bfd_false},
|
_bfd_generic_mkarchive, bfd_false},
|
{bfd_false, MY_write_object_contents, /* bfd_write_contents */
|
{bfd_false, MY_write_object_contents, /* bfd_write_contents */
|
_bfd_write_archive_contents, bfd_false},
|
_bfd_write_archive_contents, bfd_false},
|
|
|
BFD_JUMP_TABLE_GENERIC (MY),
|
BFD_JUMP_TABLE_GENERIC (MY),
|
BFD_JUMP_TABLE_COPY (MY),
|
BFD_JUMP_TABLE_COPY (MY),
|
BFD_JUMP_TABLE_CORE (MY),
|
BFD_JUMP_TABLE_CORE (MY),
|
BFD_JUMP_TABLE_ARCHIVE (MY),
|
BFD_JUMP_TABLE_ARCHIVE (MY),
|
BFD_JUMP_TABLE_SYMBOLS (MY),
|
BFD_JUMP_TABLE_SYMBOLS (MY),
|
BFD_JUMP_TABLE_RELOCS (MY),
|
BFD_JUMP_TABLE_RELOCS (MY),
|
BFD_JUMP_TABLE_WRITE (MY),
|
BFD_JUMP_TABLE_WRITE (MY),
|
BFD_JUMP_TABLE_LINK (MY),
|
BFD_JUMP_TABLE_LINK (MY),
|
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
|
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
|
|
|
& aout_mips_big_vec,
|
& aout_mips_big_vec,
|
|
|
(PTR) MY_backend_data
|
(PTR) MY_backend_data
|
};
|
};
|
|
|
const bfd_target aout_mips_big_vec =
|
const bfd_target aout_mips_big_vec =
|
{
|
{
|
"a.out-mips-big", /* name */
|
"a.out-mips-big", /* name */
|
bfd_target_aout_flavour,
|
bfd_target_aout_flavour,
|
BFD_ENDIAN_BIG, /* target byte order (big) */
|
BFD_ENDIAN_BIG, /* target byte order (big) */
|
BFD_ENDIAN_BIG, /* target headers byte order (big) */
|
BFD_ENDIAN_BIG, /* target headers byte order (big) */
|
(HAS_RELOC | EXEC_P | /* object flags */
|
(HAS_RELOC | EXEC_P | /* object flags */
|
HAS_LINENO | HAS_DEBUG |
|
HAS_LINENO | HAS_DEBUG |
|
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
|
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
|
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
|
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
|
MY_symbol_leading_char,
|
MY_symbol_leading_char,
|
' ', /* ar_pad_char */
|
' ', /* ar_pad_char */
|
15, /* ar_max_namelen */
|
15, /* ar_max_namelen */
|
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
|
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
|
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
|
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
|
{_bfd_dummy_target, MY_object_p, /* bfd_check_format */
|
{_bfd_dummy_target, MY_object_p, /* bfd_check_format */
|
bfd_generic_archive_p, MY_core_file_p},
|
bfd_generic_archive_p, MY_core_file_p},
|
{bfd_false, MY_mkobject, /* bfd_set_format */
|
{bfd_false, MY_mkobject, /* bfd_set_format */
|
_bfd_generic_mkarchive, bfd_false},
|
_bfd_generic_mkarchive, bfd_false},
|
{bfd_false, MY_write_object_contents, /* bfd_write_contents */
|
{bfd_false, MY_write_object_contents, /* bfd_write_contents */
|
_bfd_write_archive_contents, bfd_false},
|
_bfd_write_archive_contents, bfd_false},
|
|
|
BFD_JUMP_TABLE_GENERIC (MY),
|
BFD_JUMP_TABLE_GENERIC (MY),
|
BFD_JUMP_TABLE_COPY (MY),
|
BFD_JUMP_TABLE_COPY (MY),
|
BFD_JUMP_TABLE_CORE (MY),
|
BFD_JUMP_TABLE_CORE (MY),
|
BFD_JUMP_TABLE_ARCHIVE (MY),
|
BFD_JUMP_TABLE_ARCHIVE (MY),
|
BFD_JUMP_TABLE_SYMBOLS (MY),
|
BFD_JUMP_TABLE_SYMBOLS (MY),
|
BFD_JUMP_TABLE_RELOCS (MY),
|
BFD_JUMP_TABLE_RELOCS (MY),
|
BFD_JUMP_TABLE_WRITE (MY),
|
BFD_JUMP_TABLE_WRITE (MY),
|
BFD_JUMP_TABLE_LINK (MY),
|
BFD_JUMP_TABLE_LINK (MY),
|
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
|
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
|
|
|
& aout_mips_little_vec,
|
& aout_mips_little_vec,
|
|
|
(PTR) MY_backend_data
|
(PTR) MY_backend_data
|
};
|
};
|
|
|
