#define N_HEADER_IN_TEXT(x) 1
#define N_SHARED_LIB(x) 0
#define N_TXTADDR(x) \
(N_MAGIC(x) != ZMAGIC ? (x).a_entry : \
TEXT_START_ADDR + EXEC_BYTES_SIZE \
)
#define N_DATADDR(x) (N_TXTADDR(x)+N_TXTSIZE(x))
#define TEXT_START_ADDR 4096
#define TARGET_PAGE_SIZE 4096
#define SEGMENT_SIZE TARGET_PAGE_SIZE
#define DEFAULT_ARCH bfd_arch_mips
#define MACHTYPE_OK(mtype) ((mtype) == M_UNKNOWN \
|| (mtype) == M_MIPS1 || (mtype) == M_MIPS2)
#define MY_symbol_leading_char '\0'
#define MY(OP) CONCAT2 (mipsbsd_,OP)
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "libaout.h"
#define SET_ARCH_MACH(ABFD, EXEC) \
MY(set_arch_mach) (ABFD, N_MACHTYPE (EXEC)); \
MY(choose_reloc_size) (ABFD);
static void MY(set_arch_mach) PARAMS ((bfd *abfd, unsigned long machtype));
static void MY(choose_reloc_size) PARAMS ((bfd *abfd));
#define MY_write_object_contents MY(write_object_contents)
static bfd_boolean MY(write_object_contents) PARAMS ((bfd *abfd));
#define MY_bfd_reloc_type_lookup mipsbsd_reloc_howto_type_lookup
#define MY_canonicalize_reloc mipsbsd_canonicalize_reloc
#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_final_link_callback unused
#define MY_bfd_final_link _bfd_generic_final_link
#define MY_backend_data &MY(backend_data)
#define MY_BFD_TARGET
#include "aout-target.h"
static bfd_reloc_status_type mips_fix_jmp_addr
PARAMS ((bfd *, arelent *, struct bfd_symbol *, PTR, asection *,
bfd *, char **));
static reloc_howto_type *MY(reloc_howto_type_lookup)
PARAMS ((bfd *, bfd_reloc_code_real_type));
long MY(canonicalize_reloc) PARAMS ((bfd *, sec_ptr, arelent **, asymbol **));
static void
MY(set_arch_mach) (abfd, machtype)
bfd *abfd;
unsigned long machtype;
{
enum bfd_architecture arch;
unsigned int machine;
switch (machtype)
{
case M_MIPS1:
arch = bfd_arch_mips;
machine = bfd_mach_mips3000;
break;
case M_MIPS2:
arch = bfd_arch_mips;
machine = bfd_mach_mips4000;
break;
default:
arch = bfd_arch_obscure;
machine = 0;
break;
}
bfd_set_arch_mach (abfd, arch, machine);
}
static void
MY (choose_reloc_size) (abfd)
bfd *abfd;
{
switch (bfd_get_arch (abfd))
{
case bfd_arch_sparc:
case bfd_arch_a29k:
case bfd_arch_mips:
obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE;
break;
default:
obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
break;
}
}
static bfd_boolean
MY (write_object_contents) (abfd)
bfd *abfd;
{
struct external_exec exec_bytes;
struct internal_exec *execp = exec_hdr (abfd);
switch (bfd_get_arch (abfd))
{
case bfd_arch_m68k:
switch (bfd_get_mach (abfd))
{
case bfd_mach_m68010:
N_SET_MACHTYPE (*execp, M_68010);
break;
default:
case bfd_mach_m68020:
N_SET_MACHTYPE (*execp, M_68020);
break;
}
break;
case bfd_arch_sparc:
N_SET_MACHTYPE (*execp, M_SPARC);
break;
case bfd_arch_i386:
N_SET_MACHTYPE (*execp, M_386);
break;
case bfd_arch_a29k:
N_SET_MACHTYPE (*execp, M_29K);
break;
case bfd_arch_mips:
switch (bfd_get_mach (abfd))
{
case bfd_mach_mips4000:
case bfd_mach_mips6000:
N_SET_MACHTYPE (*execp, M_MIPS2);
break;
default:
N_SET_MACHTYPE (*execp, M_MIPS1);
break;
}
break;
default:
N_SET_MACHTYPE (*execp, M_UNKNOWN);
}
MY (choose_reloc_size) (abfd);
WRITE_HEADERS (abfd, execp);
return TRUE;
}
#define MIPS_RELOC_32 0
#define MIPS_RELOC_JMP 1
#define MIPS_RELOC_WDISP16 2
#define MIPS_RELOC_HI16 3
#define MIPS_RELOC_HI16_S 4
#define MIPS_RELOC_LO16 5
static bfd_reloc_status_type
mips_fix_jmp_addr (abfd, reloc_entry, symbol, data, input_section, output_bfd,
error_message)
bfd *abfd ATTRIBUTE_UNUSED;
arelent *reloc_entry;
struct bfd_symbol *symbol;
PTR data ATTRIBUTE_UNUSED;
asection *input_section;
bfd *output_bfd;
char **error_message ATTRIBUTE_UNUSED;
{
bfd_vma relocation, pc;
if (output_bfd != (bfd *)NULL)
return bfd_reloc_continue;
if (bfd_is_und_section (symbol->section)
&& (symbol->flags & BSF_WEAK) == 0)
return 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;
pc = input_section->output_section->vma + input_section->output_offset +
reloc_entry->address + 4;
if ((relocation & 0xF0000000) != (pc & 0xF0000000))
return bfd_reloc_overflow;
return bfd_reloc_continue;
}
static bfd_reloc_status_type
mips_fix_hi16_s PARAMS ((bfd *, arelent *, asymbol *, PTR,
asection *, bfd *, char **));
static bfd_reloc_status_type
mips_fix_hi16_s (abfd, reloc_entry, symbol, data, input_section,
output_bfd, error_message)
bfd *abfd ATTRIBUTE_UNUSED;
arelent *reloc_entry;
asymbol *symbol;
PTR data ATTRIBUTE_UNUSED;
asection *input_section ATTRIBUTE_UNUSED;
bfd *output_bfd;
char **error_message ATTRIBUTE_UNUSED;
{
bfd_vma relocation;
if (output_bfd != (bfd *)NULL)
return bfd_reloc_continue;
if (bfd_is_und_section (symbol->section)
&& (symbol->flags & BSF_WEAK) == 0)
return 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 (relocation & 0x8000)
reloc_entry->addend += 0x10000;
return bfd_reloc_continue;
}
static reloc_howto_type mips_howto_table_ext[] = {
{MIPS_RELOC_32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, 0,
"32", FALSE, 0, 0xffffffff, FALSE},
{MIPS_RELOC_JMP, 2, 2, 26, FALSE, 0, complain_overflow_dont,
mips_fix_jmp_addr,
"MIPS_JMP", FALSE, 0, 0x03ffffff, FALSE},
{MIPS_RELOC_WDISP16, 2, 2, 16, TRUE, 0, complain_overflow_signed, 0,
"WDISP16", FALSE, 0, 0x0000ffff, FALSE},
{MIPS_RELOC_HI16, 16, 2, 16, FALSE, 0, complain_overflow_bitfield, 0,
"HI16", FALSE, 0, 0x0000ffff, FALSE},
{MIPS_RELOC_HI16_S, 16, 2, 16, FALSE, 0, complain_overflow_bitfield,
mips_fix_hi16_s,
"HI16_S", FALSE, 0, 0x0000ffff, FALSE},
{MIPS_RELOC_LO16, 0, 2, 16, FALSE, 0, complain_overflow_dont, 0,
"LO16", FALSE, 0, 0x0000ffff, FALSE},
};
static reloc_howto_type *
MY(reloc_howto_type_lookup) (abfd, code)
bfd *abfd;
bfd_reloc_code_real_type code;
{
if (bfd_get_arch (abfd) != bfd_arch_mips)
return 0;
switch (code)
{
case BFD_RELOC_CTOR:
case BFD_RELOC_32:
return (&mips_howto_table_ext[MIPS_RELOC_32]);
case BFD_RELOC_MIPS_JMP:
return (&mips_howto_table_ext[MIPS_RELOC_JMP]);
case BFD_RELOC_16_PCREL_S2:
return (&mips_howto_table_ext[MIPS_RELOC_WDISP16]);
case BFD_RELOC_HI16:
return (&mips_howto_table_ext[MIPS_RELOC_HI16]);
case BFD_RELOC_HI16_S:
return (&mips_howto_table_ext[MIPS_RELOC_HI16_S]);
case BFD_RELOC_LO16:
return (&mips_howto_table_ext[MIPS_RELOC_LO16]);
default:
return 0;
}
}
long
MY(canonicalize_reloc) (abfd, section, relptr, symbols)
bfd *abfd;
sec_ptr section;
arelent **relptr;
asymbol **symbols;
{
arelent *tblptr = section->relocation;
unsigned int count, c;
extern reloc_howto_type NAME(aout,ext_howto_table)[];
if (section->flags & SEC_CONSTRUCTOR)
{
arelent_chain *chain = section->constructor_chain;
for (count = 0; count < section->reloc_count; count++)
{
*relptr++ = &chain->relent;
chain = chain->next;
}
*relptr = 0;
return section->reloc_count;
}
if (tblptr && section->reloc_count)
{
for (count = 0; count++ < section->reloc_count;)
*relptr++ = tblptr++;
*relptr = 0;
return section->reloc_count;
}
if (!NAME(aout,slurp_reloc_table) (abfd, section, symbols))
return -1;
tblptr = section->relocation;
for (count = 0; count++ < section->reloc_count;)
{
c = tblptr->howto - NAME(aout,ext_howto_table);
tblptr->howto = &mips_howto_table_ext[c];
*relptr++ = tblptr++;
}
*relptr = 0;
return section->reloc_count;
}
static const struct aout_backend_data MY(backend_data) = {
0,
1,
0,
0,
TARGET_PAGE_SIZE,
MY_set_sizes,
0,
0,
0,
0,
0,
0,
0
};
extern const bfd_target aout_mips_big_vec;
const bfd_target aout_mips_little_vec =
{
"a.out-mips-little",
bfd_target_aout_flavour,
BFD_ENDIAN_LITTLE,
BFD_ENDIAN_LITTLE,
(HAS_RELOC | EXEC_P |
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
MY_symbol_leading_char,
' ',
15,
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
bfd_getl16, bfd_getl_signed_16, bfd_putl16,
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
bfd_getl16, bfd_getl_signed_16, bfd_putl16,
{_bfd_dummy_target, MY_object_p,
bfd_generic_archive_p, MY_core_file_p},
{bfd_false, MY_mkobject,
_bfd_generic_mkarchive, bfd_false},
{bfd_false, MY_write_object_contents,
_bfd_write_archive_contents, bfd_false},
BFD_JUMP_TABLE_GENERIC (MY),
BFD_JUMP_TABLE_COPY (MY),
BFD_JUMP_TABLE_CORE (MY),
BFD_JUMP_TABLE_ARCHIVE (MY),
BFD_JUMP_TABLE_SYMBOLS (MY),
BFD_JUMP_TABLE_RELOCS (MY),
BFD_JUMP_TABLE_WRITE (MY),
BFD_JUMP_TABLE_LINK (MY),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
& aout_mips_big_vec,
(PTR) MY_backend_data
};
const bfd_target aout_mips_big_vec =
{
"a.out-mips-big",
bfd_target_aout_flavour,
BFD_ENDIAN_BIG,
BFD_ENDIAN_BIG,
(HAS_RELOC | EXEC_P |
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
MY_symbol_leading_char,
' ',
15,
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
bfd_getb16, bfd_getb_signed_16, bfd_putb16,
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
bfd_getb16, bfd_getb_signed_16, bfd_putb16,
{_bfd_dummy_target, MY_object_p,
bfd_generic_archive_p, MY_core_file_p},
{bfd_false, MY_mkobject,
_bfd_generic_mkarchive, bfd_false},
{bfd_false, MY_write_object_contents,
_bfd_write_archive_contents, bfd_false},
BFD_JUMP_TABLE_GENERIC (MY),
BFD_JUMP_TABLE_COPY (MY),
BFD_JUMP_TABLE_CORE (MY),
BFD_JUMP_TABLE_ARCHIVE (MY),
BFD_JUMP_TABLE_SYMBOLS (MY),
BFD_JUMP_TABLE_RELOCS (MY),
BFD_JUMP_TABLE_WRITE (MY),
BFD_JUMP_TABLE_LINK (MY),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
& aout_mips_little_vec,
(PTR) MY_backend_data
};