#include "bfd.h"
#include "sysdep.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "coff/internal.h"
#include "coff/sym.h"
#include "coff/symconst.h"
#include "coff/ecoff.h"
#include "coff/alpha.h"
#include "aout/ar.h"
#include "libcoff.h"
#include "libecoff.h"
static const bfd_target *alpha_ecoff_object_p
PARAMS ((bfd *));
static bfd_boolean alpha_ecoff_bad_format_hook
PARAMS ((bfd *abfd, PTR filehdr));
static PTR alpha_ecoff_mkobject_hook
PARAMS ((bfd *, PTR filehdr, PTR aouthdr));
static void alpha_ecoff_swap_reloc_in
PARAMS ((bfd *, PTR, struct internal_reloc *));
static void alpha_ecoff_swap_reloc_out
PARAMS ((bfd *, const struct internal_reloc *, PTR));
static void alpha_adjust_reloc_in
PARAMS ((bfd *, const struct internal_reloc *, arelent *));
static void alpha_adjust_reloc_out
PARAMS ((bfd *, const arelent *, struct internal_reloc *));
static reloc_howto_type *alpha_bfd_reloc_type_lookup
PARAMS ((bfd *, bfd_reloc_code_real_type));
static bfd_byte *alpha_ecoff_get_relocated_section_contents
PARAMS ((bfd *abfd, struct bfd_link_info *, struct bfd_link_order *,
bfd_byte *data, bfd_boolean relocatable, asymbol **symbols));
static bfd_vma alpha_convert_external_reloc
PARAMS ((bfd *, struct bfd_link_info *, bfd *, struct external_reloc *,
struct ecoff_link_hash_entry *));
static bfd_boolean alpha_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, PTR));
static bfd_boolean alpha_adjust_headers
PARAMS ((bfd *, struct internal_filehdr *, struct internal_aouthdr *));
static PTR alpha_ecoff_read_ar_hdr
PARAMS ((bfd *));
static bfd *alpha_ecoff_get_elt_at_filepos
PARAMS ((bfd *, file_ptr));
static bfd *alpha_ecoff_openr_next_archived_file
PARAMS ((bfd *, bfd *));
static bfd *alpha_ecoff_get_elt_at_index
PARAMS ((bfd *, symindex));
#define GET_FILEHDR_SYMPTR H_GET_64
#define PUT_FILEHDR_SYMPTR H_PUT_64
#define GET_AOUTHDR_TSIZE H_GET_64
#define PUT_AOUTHDR_TSIZE H_PUT_64
#define GET_AOUTHDR_DSIZE H_GET_64
#define PUT_AOUTHDR_DSIZE H_PUT_64
#define GET_AOUTHDR_BSIZE H_GET_64
#define PUT_AOUTHDR_BSIZE H_PUT_64
#define GET_AOUTHDR_ENTRY H_GET_64
#define PUT_AOUTHDR_ENTRY H_PUT_64
#define GET_AOUTHDR_TEXT_START H_GET_64
#define PUT_AOUTHDR_TEXT_START H_PUT_64
#define GET_AOUTHDR_DATA_START H_GET_64
#define PUT_AOUTHDR_DATA_START H_PUT_64
#define GET_SCNHDR_PADDR H_GET_64
#define PUT_SCNHDR_PADDR H_PUT_64
#define GET_SCNHDR_VADDR H_GET_64
#define PUT_SCNHDR_VADDR H_PUT_64
#define GET_SCNHDR_SIZE H_GET_64
#define PUT_SCNHDR_SIZE H_PUT_64
#define GET_SCNHDR_SCNPTR H_GET_64
#define PUT_SCNHDR_SCNPTR H_PUT_64
#define GET_SCNHDR_RELPTR H_GET_64
#define PUT_SCNHDR_RELPTR H_PUT_64
#define GET_SCNHDR_LNNOPTR H_GET_64
#define PUT_SCNHDR_LNNOPTR H_PUT_64
#define ALPHAECOFF
#define NO_COFF_RELOCS
#define NO_COFF_SYMBOLS
#define NO_COFF_LINENOS
#define coff_swap_filehdr_in alpha_ecoff_swap_filehdr_in
#define coff_swap_filehdr_out alpha_ecoff_swap_filehdr_out
#define coff_swap_aouthdr_in alpha_ecoff_swap_aouthdr_in
#define coff_swap_aouthdr_out alpha_ecoff_swap_aouthdr_out
#define coff_swap_scnhdr_in alpha_ecoff_swap_scnhdr_in
#define coff_swap_scnhdr_out alpha_ecoff_swap_scnhdr_out
#include "coffswap.h"
#define ECOFF_64
#include "ecoffswap.h"
static bfd_reloc_status_type reloc_nil
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
static bfd_reloc_status_type
reloc_nil (abfd, reloc, sym, data, sec, output_bfd, error_message)
bfd *abfd ATTRIBUTE_UNUSED;
arelent *reloc ATTRIBUTE_UNUSED;
asymbol *sym ATTRIBUTE_UNUSED;
PTR data ATTRIBUTE_UNUSED;
asection *sec ATTRIBUTE_UNUSED;
bfd *output_bfd ATTRIBUTE_UNUSED;
char **error_message ATTRIBUTE_UNUSED;
{
return bfd_reloc_ok;
}
#define MINUS_ONE (((bfd_vma)0) - 1)
static reloc_howto_type alpha_howto_table[] =
{
HOWTO (ALPHA_R_IGNORE,
0,
0,
8,
TRUE,
0,
complain_overflow_dont,
reloc_nil,
"IGNORE",
TRUE,
0,
0,
TRUE),
HOWTO (ALPHA_R_REFLONG,
0,
2,
32,
FALSE,
0,
complain_overflow_bitfield,
0,
"REFLONG",
TRUE,
0xffffffff,
0xffffffff,
FALSE),
HOWTO (ALPHA_R_REFQUAD,
0,
4,
64,
FALSE,
0,
complain_overflow_bitfield,
0,
"REFQUAD",
TRUE,
MINUS_ONE,
MINUS_ONE,
FALSE),
HOWTO (ALPHA_R_GPREL32,
0,
2,
32,
FALSE,
0,
complain_overflow_bitfield,
0,
"GPREL32",
TRUE,
0xffffffff,
0xffffffff,
FALSE),
HOWTO (ALPHA_R_LITERAL,
0,
2,
16,
FALSE,
0,
complain_overflow_signed,
0,
"LITERAL",
TRUE,
0xffff,
0xffff,
FALSE),
HOWTO (ALPHA_R_LITUSE,
0,
2,
32,
FALSE,
0,
complain_overflow_dont,
reloc_nil,
"LITUSE",
FALSE,
0,
0,
FALSE),
HOWTO (ALPHA_R_GPDISP,
16,
2,
16,
TRUE,
0,
complain_overflow_dont,
reloc_nil,
"GPDISP",
TRUE,
0xffff,
0xffff,
TRUE),
HOWTO (ALPHA_R_BRADDR,
2,
2,
21,
TRUE,
0,
complain_overflow_signed,
0,
"BRADDR",
TRUE,
0x1fffff,
0x1fffff,
FALSE),
HOWTO (ALPHA_R_HINT,
2,
2,
14,
TRUE,
0,
complain_overflow_dont,
0,
"HINT",
TRUE,
0x3fff,
0x3fff,
FALSE),
HOWTO (ALPHA_R_SREL16,
0,
1,
16,
TRUE,
0,
complain_overflow_signed,
0,
"SREL16",
TRUE,
0xffff,
0xffff,
FALSE),
HOWTO (ALPHA_R_SREL32,
0,
2,
32,
TRUE,
0,
complain_overflow_signed,
0,
"SREL32",
TRUE,
0xffffffff,
0xffffffff,
FALSE),
HOWTO (ALPHA_R_SREL64,
0,
4,
64,
TRUE,
0,
complain_overflow_signed,
0,
"SREL64",
TRUE,
MINUS_ONE,
MINUS_ONE,
FALSE),
HOWTO (ALPHA_R_OP_PUSH,
0,
0,
0,
FALSE,
0,
complain_overflow_dont,
0,
"OP_PUSH",
FALSE,
0,
0,
FALSE),
HOWTO (ALPHA_R_OP_STORE,
0,
4,
64,
FALSE,
0,
complain_overflow_dont,
0,
"OP_STORE",
FALSE,
0,
MINUS_ONE,
FALSE),
HOWTO (ALPHA_R_OP_PSUB,
0,
0,
0,
FALSE,
0,
complain_overflow_dont,
0,
"OP_PSUB",
FALSE,
0,
0,
FALSE),
HOWTO (ALPHA_R_OP_PRSHIFT,
0,
0,
0,
FALSE,
0,
complain_overflow_dont,
0,
"OP_PRSHIFT",
FALSE,
0,
0,
FALSE),
HOWTO (ALPHA_R_GPVALUE,
0,
0,
0,
FALSE,
0,
complain_overflow_dont,
0,
"GPVALUE",
FALSE,
0,
0,
FALSE)
};
static const bfd_target *
alpha_ecoff_object_p (abfd)
bfd *abfd;
{
static const bfd_target *ret;
ret = coff_object_p (abfd);
if (ret != NULL)
{
asection *sec;
sec = bfd_get_section_by_name (abfd, _PDATA);
if (sec != (asection *) NULL)
{
bfd_size_type size;
size = sec->line_filepos * 8;
BFD_ASSERT (size == sec->size
|| size + 8 == sec->size);
if (! bfd_set_section_size (abfd, sec, size))
return NULL;
}
}
return ret;
}
static bfd_boolean
alpha_ecoff_bad_format_hook (abfd, filehdr)
bfd *abfd ATTRIBUTE_UNUSED;
PTR filehdr;
{
struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
if (! ALPHA_ECOFF_BADMAG (*internal_f))
return TRUE;
if (ALPHA_ECOFF_COMPRESSEDMAG (*internal_f))
(*_bfd_error_handler)
(_("%B: Cannot handle compressed Alpha binaries.\n"
" Use compiler flags, or objZ, to generate uncompressed binaries."),
abfd);
return FALSE;
}
static PTR
alpha_ecoff_mkobject_hook (abfd, filehdr, aouthdr)
bfd *abfd;
PTR filehdr;
PTR aouthdr;
{
PTR ecoff;
ecoff = _bfd_ecoff_mkobject_hook (abfd, filehdr, aouthdr);
if (ecoff != NULL)
{
struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
switch (internal_f->f_flags & F_ALPHA_OBJECT_TYPE_MASK)
{
case F_ALPHA_SHARABLE:
abfd->flags |= DYNAMIC;
break;
case F_ALPHA_CALL_SHARED:
abfd->flags |= (DYNAMIC | EXEC_P);
break;
}
}
return ecoff;
}
static void
alpha_ecoff_swap_reloc_in (abfd, ext_ptr, intern)
bfd *abfd;
PTR ext_ptr;
struct internal_reloc *intern;
{
const RELOC *ext = (RELOC *) ext_ptr;
intern->r_vaddr = H_GET_64 (abfd, ext->r_vaddr);
intern->r_symndx = H_GET_32 (abfd, ext->r_symndx);
BFD_ASSERT (bfd_header_little_endian (abfd));
intern->r_type = ((ext->r_bits[0] & RELOC_BITS0_TYPE_LITTLE)
>> RELOC_BITS0_TYPE_SH_LITTLE);
intern->r_extern = (ext->r_bits[1] & RELOC_BITS1_EXTERN_LITTLE) != 0;
intern->r_offset = ((ext->r_bits[1] & RELOC_BITS1_OFFSET_LITTLE)
>> RELOC_BITS1_OFFSET_SH_LITTLE);
intern->r_size = ((ext->r_bits[3] & RELOC_BITS3_SIZE_LITTLE)
>> RELOC_BITS3_SIZE_SH_LITTLE);
if (intern->r_type == ALPHA_R_LITUSE
|| intern->r_type == ALPHA_R_GPDISP)
{
if (intern->r_size != 0)
abort ();
intern->r_size = intern->r_symndx;
intern->r_symndx = RELOC_SECTION_NONE;
}
else if (intern->r_type == ALPHA_R_IGNORE)
{
if (! intern->r_extern &&
intern->r_symndx == RELOC_SECTION_ABS)
abort ();
if (! intern->r_extern && intern->r_symndx == RELOC_SECTION_LITA)
intern->r_symndx = RELOC_SECTION_ABS;
}
}
static void
alpha_ecoff_swap_reloc_out (abfd, intern, dst)
bfd *abfd;
const struct internal_reloc *intern;
PTR dst;
{
RELOC *ext = (RELOC *) dst;
long symndx;
unsigned char size;
if (intern->r_type == ALPHA_R_LITUSE
|| intern->r_type == ALPHA_R_GPDISP)
{
symndx = intern->r_size;
size = 0;
}
else if (intern->r_type == ALPHA_R_IGNORE
&& ! intern->r_extern
&& intern->r_symndx == RELOC_SECTION_ABS)
{
symndx = RELOC_SECTION_LITA;
size = intern->r_size;
}
else
{
symndx = intern->r_symndx;
size = intern->r_size;
}
BFD_ASSERT (intern->r_extern
|| (intern->r_symndx >= 0 && intern->r_symndx <= 15));
H_PUT_64 (abfd, intern->r_vaddr, ext->r_vaddr);
H_PUT_32 (abfd, symndx, ext->r_symndx);
BFD_ASSERT (bfd_header_little_endian (abfd));
ext->r_bits[0] = ((intern->r_type << RELOC_BITS0_TYPE_SH_LITTLE)
& RELOC_BITS0_TYPE_LITTLE);
ext->r_bits[1] = ((intern->r_extern ? RELOC_BITS1_EXTERN_LITTLE : 0)
| ((intern->r_offset << RELOC_BITS1_OFFSET_SH_LITTLE)
& RELOC_BITS1_OFFSET_LITTLE));
ext->r_bits[2] = 0;
ext->r_bits[3] = ((size << RELOC_BITS3_SIZE_SH_LITTLE)
& RELOC_BITS3_SIZE_LITTLE);
}
static void
alpha_adjust_reloc_in (abfd, intern, rptr)
bfd *abfd;
const struct internal_reloc *intern;
arelent *rptr;
{
if (intern->r_type > ALPHA_R_GPVALUE)
{
(*_bfd_error_handler)
(_("%B: unknown/unsupported relocation type %d"),
abfd, intern->r_type);
bfd_set_error (bfd_error_bad_value);
rptr->addend = 0;
rptr->howto = NULL;
return;
}
switch (intern->r_type)
{
case ALPHA_R_BRADDR:
case ALPHA_R_SREL16:
case ALPHA_R_SREL32:
case ALPHA_R_SREL64:
if (! intern->r_extern)
rptr->addend = 0;
else
rptr->addend = - (intern->r_vaddr + 4);
break;
case ALPHA_R_GPREL32:
case ALPHA_R_LITERAL:
if (! intern->r_extern)
rptr->addend += ecoff_data (abfd)->gp;
break;
case ALPHA_R_LITUSE:
case ALPHA_R_GPDISP:
rptr->addend = intern->r_size;
break;
case ALPHA_R_OP_STORE:
BFD_ASSERT (intern->r_offset <= 256);
rptr->addend = (intern->r_offset << 8) + intern->r_size;
break;
case ALPHA_R_OP_PUSH:
case ALPHA_R_OP_PSUB:
case ALPHA_R_OP_PRSHIFT:
rptr->addend = intern->r_vaddr;
break;
case ALPHA_R_GPVALUE:
rptr->addend = intern->r_symndx + ecoff_data (abfd)->gp;
break;
case ALPHA_R_IGNORE:
rptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
rptr->address = intern->r_vaddr;
rptr->addend = ecoff_data (abfd)->gp;
break;
default:
break;
}
rptr->howto = &alpha_howto_table[intern->r_type];
}
static void
alpha_adjust_reloc_out (abfd, rel, intern)
bfd *abfd ATTRIBUTE_UNUSED;
const arelent *rel;
struct internal_reloc *intern;
{
switch (intern->r_type)
{
case ALPHA_R_LITUSE:
case ALPHA_R_GPDISP:
intern->r_size = rel->addend;
break;
case ALPHA_R_OP_STORE:
intern->r_size = rel->addend & 0xff;
intern->r_offset = (rel->addend >> 8) & 0xff;
break;
case ALPHA_R_OP_PUSH:
case ALPHA_R_OP_PSUB:
case ALPHA_R_OP_PRSHIFT:
intern->r_vaddr = rel->addend;
break;
case ALPHA_R_IGNORE:
intern->r_vaddr = rel->address;
break;
default:
break;
}
}
#define RELOC_STACKSIZE (10)
static bfd_byte *
alpha_ecoff_get_relocated_section_contents (abfd, link_info, link_order,
data, relocatable, symbols)
bfd *abfd;
struct bfd_link_info *link_info;
struct bfd_link_order *link_order;
bfd_byte *data;
bfd_boolean relocatable;
asymbol **symbols;
{
bfd *input_bfd = link_order->u.indirect.section->owner;
asection *input_section = link_order->u.indirect.section;
long reloc_size = bfd_get_reloc_upper_bound (input_bfd, input_section);
arelent **reloc_vector = NULL;
long reloc_count;
bfd *output_bfd = relocatable ? abfd : (bfd *) NULL;
bfd_vma gp;
bfd_size_type sz;
bfd_boolean gp_undefined;
bfd_vma stack[RELOC_STACKSIZE];
int tos = 0;
if (reloc_size < 0)
goto error_return;
reloc_vector = (arelent **) bfd_malloc ((bfd_size_type) reloc_size);
if (reloc_vector == NULL && reloc_size != 0)
goto error_return;
sz = input_section->rawsize ? input_section->rawsize : input_section->size;
if (! bfd_get_section_contents (input_bfd, input_section, data, 0, sz))
goto error_return;
reloc_count = bfd_canonicalize_reloc (input_bfd, input_section,
reloc_vector, symbols);
if (reloc_count < 0)
goto error_return;
if (reloc_count == 0)
goto successful_return;
gp_undefined = FALSE;
gp = _bfd_get_gp_value (abfd);
if (gp == 0)
{
if (relocatable)
{
asection *sec;
bfd_vma lo;
lo = (bfd_vma) -1;
for (sec = abfd->sections; sec != NULL; sec = sec->next)
{
if (sec->vma < lo
&& (strcmp (sec->name, ".sbss") == 0
|| strcmp (sec->name, ".sdata") == 0
|| strcmp (sec->name, ".lit4") == 0
|| strcmp (sec->name, ".lit8") == 0
|| strcmp (sec->name, ".lita") == 0))
lo = sec->vma;
}
gp = lo + 0x8000;
_bfd_set_gp_value (abfd, gp);
}
else
{
struct bfd_link_hash_entry *h;
h = bfd_link_hash_lookup (link_info->hash, "_gp", FALSE, FALSE,
TRUE);
if (h == (struct bfd_link_hash_entry *) NULL
|| h->type != bfd_link_hash_defined)
gp_undefined = TRUE;
else
{
gp = (h->u.def.value
+ h->u.def.section->output_section->vma
+ h->u.def.section->output_offset);
_bfd_set_gp_value (abfd, gp);
}
}
}
for (; *reloc_vector != (arelent *) NULL; reloc_vector++)
{
arelent *rel;
bfd_reloc_status_type r;
char *err;
rel = *reloc_vector;
r = bfd_reloc_ok;
switch (rel->howto->type)
{
case ALPHA_R_IGNORE:
rel->address += input_section->output_offset;
break;
case ALPHA_R_REFLONG:
case ALPHA_R_REFQUAD:
case ALPHA_R_BRADDR:
case ALPHA_R_HINT:
case ALPHA_R_SREL16:
case ALPHA_R_SREL32:
case ALPHA_R_SREL64:
if (relocatable
&& ((*rel->sym_ptr_ptr)->flags & BSF_SECTION_SYM) == 0)
{
rel->address += input_section->output_offset;
break;
}
r = bfd_perform_relocation (input_bfd, rel, data, input_section,
output_bfd, &err);
break;
case ALPHA_R_GPREL32:
rel->addend -= gp;
r = bfd_perform_relocation (input_bfd, rel, data, input_section,
output_bfd, &err);
if (r == bfd_reloc_ok && gp_undefined)
{
r = bfd_reloc_dangerous;
err = (char *) _("GP relative relocation used when GP not defined");
}
break;
case ALPHA_R_LITERAL:
{
unsigned long insn;
insn = bfd_get_32 (input_bfd, data + rel->address);
BFD_ASSERT (((insn >> 26) & 0x3f) == 0x29
|| ((insn >> 26) & 0x3f) == 0x28);
rel->addend -= gp;
r = bfd_perform_relocation (input_bfd, rel, data, input_section,
output_bfd, &err);
if (r == bfd_reloc_ok && gp_undefined)
{
r = bfd_reloc_dangerous;
err =
(char *) _("GP relative relocation used when GP not defined");
}
}
break;
case ALPHA_R_LITUSE:
rel->address += input_section->output_offset;
break;
case ALPHA_R_GPDISP:
{
unsigned long insn1, insn2;
bfd_vma addend;
insn1 = bfd_get_32 (input_bfd, data + rel->address);
insn2 = bfd_get_32 (input_bfd, data + rel->address + rel->addend);
BFD_ASSERT (((insn1 >> 26) & 0x3f) == 0x09);
BFD_ASSERT (((insn2 >> 26) & 0x3f) == 0x08);
addend = ((insn1 & 0xffff) << 16) + (insn2 & 0xffff);
if (insn1 & 0x8000)
{
addend -= 0x80000000;
addend -= 0x80000000;
}
if (insn2 & 0x8000)
addend -= 0x10000;
addend -= (ecoff_data (input_bfd)->gp
- (input_section->vma + rel->address));
addend += (gp
- (input_section->output_section->vma
+ input_section->output_offset
+ rel->address));
if (addend & 0x8000)
addend += 0x10000;
insn1 = (insn1 & 0xffff0000) | ((addend >> 16) & 0xffff);
insn2 = (insn2 & 0xffff0000) | (addend & 0xffff);
bfd_put_32 (input_bfd, (bfd_vma) insn1, data + rel->address);
bfd_put_32 (input_bfd, (bfd_vma) insn2,
data + rel->address + rel->addend);
rel->address += input_section->output_offset;
}
break;
case ALPHA_R_OP_PUSH:
{
asymbol *symbol;
bfd_vma relocation;
if (relocatable)
{
rel->address += input_section->output_offset;
break;
}
symbol = *rel->sym_ptr_ptr;
if (bfd_is_und_section (symbol->section))
r = 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 += rel->addend;
if (tos >= RELOC_STACKSIZE)
abort ();
stack[tos++] = relocation;
}
break;
case ALPHA_R_OP_STORE:
{
bfd_vma val;
int offset, size;
if (relocatable)
{
rel->address += input_section->output_offset;
break;
}
if (tos == 0)
abort ();
offset = (rel->addend >> 8) & 0xff;
size = rel->addend & 0xff;
val = bfd_get_64 (abfd, data + rel->address);
val &=~ (((1 << size) - 1) << offset);
val |= (stack[--tos] & ((1 << size) - 1)) << offset;
bfd_put_64 (abfd, val, data + rel->address);
}
break;
case ALPHA_R_OP_PSUB:
{
asymbol *symbol;
bfd_vma relocation;
if (relocatable)
{
rel->address += input_section->output_offset;
break;
}
symbol = *rel->sym_ptr_ptr;
if (bfd_is_und_section (symbol->section))
r = 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 += rel->addend;
if (tos == 0)
abort ();
stack[tos - 1] -= relocation;
}
break;
case ALPHA_R_OP_PRSHIFT:
{
asymbol *symbol;
bfd_vma relocation;
if (relocatable)
{
rel->address += input_section->output_offset;
break;
}
symbol = *rel->sym_ptr_ptr;
if (bfd_is_und_section (symbol->section))
r = 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 += rel->addend;
if (tos == 0)
abort ();
stack[tos - 1] >>= relocation;
}
break;
case ALPHA_R_GPVALUE:
gp = rel->addend;
gp_undefined = FALSE;
break;
default:
abort ();
}
if (relocatable)
{
asection *os = input_section->output_section;
os->orelocation[os->reloc_count] = rel;
os->reloc_count++;
}
if (r != bfd_reloc_ok)
{
switch (r)
{
case bfd_reloc_undefined:
if (! ((*link_info->callbacks->undefined_symbol)
(link_info, bfd_asymbol_name (*rel->sym_ptr_ptr),
input_bfd, input_section, rel->address, TRUE)))
goto error_return;
break;
case bfd_reloc_dangerous:
if (! ((*link_info->callbacks->reloc_dangerous)
(link_info, err, input_bfd, input_section,
rel->address)))
goto error_return;
break;
case bfd_reloc_overflow:
if (! ((*link_info->callbacks->reloc_overflow)
(link_info, NULL,
bfd_asymbol_name (*rel->sym_ptr_ptr),
rel->howto->name, rel->addend, input_bfd,
input_section, rel->address)))
goto error_return;
break;
case bfd_reloc_outofrange:
default:
abort ();
break;
}
}
}
if (tos != 0)
abort ();
successful_return:
if (reloc_vector != NULL)
free (reloc_vector);
return data;
error_return:
if (reloc_vector != NULL)
free (reloc_vector);
return NULL;
}
static reloc_howto_type *
alpha_bfd_reloc_type_lookup (abfd, code)
bfd *abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
int alpha_type;
switch (code)
{
case BFD_RELOC_32:
alpha_type = ALPHA_R_REFLONG;
break;
case BFD_RELOC_64:
case BFD_RELOC_CTOR:
alpha_type = ALPHA_R_REFQUAD;
break;
case BFD_RELOC_GPREL32:
alpha_type = ALPHA_R_GPREL32;
break;
case BFD_RELOC_ALPHA_LITERAL:
alpha_type = ALPHA_R_LITERAL;
break;
case BFD_RELOC_ALPHA_LITUSE:
alpha_type = ALPHA_R_LITUSE;
break;
case BFD_RELOC_ALPHA_GPDISP_HI16:
alpha_type = ALPHA_R_GPDISP;
break;
case BFD_RELOC_ALPHA_GPDISP_LO16:
alpha_type = ALPHA_R_IGNORE;
break;
case BFD_RELOC_23_PCREL_S2:
alpha_type = ALPHA_R_BRADDR;
break;
case BFD_RELOC_ALPHA_HINT:
alpha_type = ALPHA_R_HINT;
break;
case BFD_RELOC_16_PCREL:
alpha_type = ALPHA_R_SREL16;
break;
case BFD_RELOC_32_PCREL:
alpha_type = ALPHA_R_SREL32;
break;
case BFD_RELOC_64_PCREL:
alpha_type = ALPHA_R_SREL64;
break;
default:
return (reloc_howto_type *) NULL;
}
return &alpha_howto_table[alpha_type];
}
static bfd_vma
alpha_convert_external_reloc (output_bfd, info, input_bfd, ext_rel, h)
bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
bfd *input_bfd;
struct external_reloc *ext_rel;
struct ecoff_link_hash_entry *h;
{
unsigned long r_symndx;
bfd_vma relocation;
BFD_ASSERT (info->relocatable);
if (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
{
asection *hsec;
const char *name;
ext_rel->r_bits[1] &=~ RELOC_BITS1_EXTERN_LITTLE;
hsec = h->root.u.def.section;
name = bfd_get_section_name (output_bfd, hsec->output_section);
r_symndx = (unsigned long) -1;
switch (name[1])
{
case 'A':
if (strcmp (name, "*ABS*") == 0)
r_symndx = RELOC_SECTION_ABS;
break;
case 'b':
if (strcmp (name, ".bss") == 0)
r_symndx = RELOC_SECTION_BSS;
break;
case 'd':
if (strcmp (name, ".data") == 0)
r_symndx = RELOC_SECTION_DATA;
break;
case 'f':
if (strcmp (name, ".fini") == 0)
r_symndx = RELOC_SECTION_FINI;
break;
case 'i':
if (strcmp (name, ".init") == 0)
r_symndx = RELOC_SECTION_INIT;
break;
case 'l':
if (strcmp (name, ".lita") == 0)
r_symndx = RELOC_SECTION_LITA;
else if (strcmp (name, ".lit8") == 0)
r_symndx = RELOC_SECTION_LIT8;
else if (strcmp (name, ".lit4") == 0)
r_symndx = RELOC_SECTION_LIT4;
break;
case 'p':
if (strcmp (name, ".pdata") == 0)
r_symndx = RELOC_SECTION_PDATA;
break;
case 'r':
if (strcmp (name, ".rdata") == 0)
r_symndx = RELOC_SECTION_RDATA;
else if (strcmp (name, ".rconst") == 0)
r_symndx = RELOC_SECTION_RCONST;
break;
case 's':
if (strcmp (name, ".sdata") == 0)
r_symndx = RELOC_SECTION_SDATA;
else if (strcmp (name, ".sbss") == 0)
r_symndx = RELOC_SECTION_SBSS;
break;
case 't':
if (strcmp (name, ".text") == 0)
r_symndx = RELOC_SECTION_TEXT;
break;
case 'x':
if (strcmp (name, ".xdata") == 0)
r_symndx = RELOC_SECTION_XDATA;
break;
}
if (r_symndx == (unsigned long) -1)
abort ();
relocation = (h->root.u.def.value
+ hsec->output_section->vma
+ hsec->output_offset);
}
else
{
r_symndx = h->indx;
if (r_symndx == (unsigned long) -1)
{
r_symndx = 0;
}
relocation = 0;
}
H_PUT_32 (input_bfd, r_symndx, ext_rel->r_symndx);
return relocation;
}
static bfd_boolean
alpha_relocate_section (output_bfd, info, input_bfd, input_section,
contents, external_relocs)
bfd *output_bfd;
struct bfd_link_info *info;
bfd *input_bfd;
asection *input_section;
bfd_byte *contents;
PTR external_relocs;
{
asection **symndx_to_section, *lita_sec;
struct ecoff_link_hash_entry **sym_hashes;
bfd_vma gp;
bfd_boolean gp_undefined;
bfd_vma stack[RELOC_STACKSIZE];
int tos = 0;
struct external_reloc *ext_rel;
struct external_reloc *ext_rel_end;
bfd_size_type amt;
symndx_to_section = ecoff_data (input_bfd)->symndx_to_section;
if (symndx_to_section == (asection **) NULL)
{
amt = NUM_RELOC_SECTIONS * sizeof (asection *);
symndx_to_section = (asection **) bfd_alloc (input_bfd, amt);
if (!symndx_to_section)
return FALSE;
symndx_to_section[RELOC_SECTION_NONE] = NULL;
symndx_to_section[RELOC_SECTION_TEXT] =
bfd_get_section_by_name (input_bfd, ".text");
symndx_to_section[RELOC_SECTION_RDATA] =
bfd_get_section_by_name (input_bfd, ".rdata");
symndx_to_section[RELOC_SECTION_DATA] =
bfd_get_section_by_name (input_bfd, ".data");
symndx_to_section[RELOC_SECTION_SDATA] =
bfd_get_section_by_name (input_bfd, ".sdata");
symndx_to_section[RELOC_SECTION_SBSS] =
bfd_get_section_by_name (input_bfd, ".sbss");
symndx_to_section[RELOC_SECTION_BSS] =
bfd_get_section_by_name (input_bfd, ".bss");
symndx_to_section[RELOC_SECTION_INIT] =
bfd_get_section_by_name (input_bfd, ".init");
symndx_to_section[RELOC_SECTION_LIT8] =
bfd_get_section_by_name (input_bfd, ".lit8");
symndx_to_section[RELOC_SECTION_LIT4] =
bfd_get_section_by_name (input_bfd, ".lit4");
symndx_to_section[RELOC_SECTION_XDATA] =
bfd_get_section_by_name (input_bfd, ".xdata");
symndx_to_section[RELOC_SECTION_PDATA] =
bfd_get_section_by_name (input_bfd, ".pdata");
symndx_to_section[RELOC_SECTION_FINI] =
bfd_get_section_by_name (input_bfd, ".fini");
symndx_to_section[RELOC_SECTION_LITA] =
bfd_get_section_by_name (input_bfd, ".lita");
symndx_to_section[RELOC_SECTION_ABS] = bfd_abs_section_ptr;
symndx_to_section[RELOC_SECTION_RCONST] =
bfd_get_section_by_name (input_bfd, ".rconst");
ecoff_data (input_bfd)->symndx_to_section = symndx_to_section;
}
sym_hashes = ecoff_data (input_bfd)->sym_hashes;
lita_sec = symndx_to_section[RELOC_SECTION_LITA];
gp = _bfd_get_gp_value (output_bfd);
if (! info->relocatable && lita_sec != NULL)
{
struct ecoff_section_tdata *lita_sec_data;
lita_sec_data = ecoff_section_data (input_bfd, lita_sec);
if (lita_sec_data == NULL)
{
amt = sizeof (struct ecoff_section_tdata);
lita_sec_data = ((struct ecoff_section_tdata *)
bfd_zalloc (input_bfd, amt));
lita_sec->used_by_bfd = lita_sec_data;
}
if (lita_sec_data->gp != 0)
{
gp = lita_sec_data->gp;
}
else
{
bfd_vma lita_vma;
bfd_size_type lita_size;
lita_vma = lita_sec->output_offset + lita_sec->output_section->vma;
lita_size = lita_sec->size;
if (gp == 0
|| lita_vma < gp - 0x8000
|| lita_vma + lita_size >= gp + 0x8000)
{
if (gp && !ecoff_data (output_bfd)->issued_multiple_gp_warning)
{
(*info->callbacks->warning) (info,
_("using multiple gp values"),
(char *) NULL, output_bfd,
(asection *) NULL, (bfd_vma) 0);
ecoff_data (output_bfd)->issued_multiple_gp_warning = TRUE;
}
if (lita_vma < gp - 0x8000)
gp = lita_vma + lita_size - 0x8000;
else
gp = lita_vma + 0x8000;
}
lita_sec_data->gp = gp;
}
_bfd_set_gp_value (output_bfd, gp);
}
gp_undefined = (gp == 0);
BFD_ASSERT (bfd_header_little_endian (output_bfd));
BFD_ASSERT (bfd_header_little_endian (input_bfd));
ext_rel = (struct external_reloc *) external_relocs;
ext_rel_end = ext_rel + input_section->reloc_count;
for (; ext_rel < ext_rel_end; ext_rel++)
{
bfd_vma r_vaddr;
unsigned long r_symndx;
int r_type;
int r_extern;
int r_offset;
int r_size;
bfd_boolean relocatep;
bfd_boolean adjust_addrp;
bfd_boolean gp_usedp;
bfd_vma addend;
r_vaddr = H_GET_64 (input_bfd, ext_rel->r_vaddr);
r_symndx = H_GET_32 (input_bfd, ext_rel->r_symndx);
r_type = ((ext_rel->r_bits[0] & RELOC_BITS0_TYPE_LITTLE)
>> RELOC_BITS0_TYPE_SH_LITTLE);
r_extern = (ext_rel->r_bits[1] & RELOC_BITS1_EXTERN_LITTLE) != 0;
r_offset = ((ext_rel->r_bits[1] & RELOC_BITS1_OFFSET_LITTLE)
>> RELOC_BITS1_OFFSET_SH_LITTLE);
r_size = ((ext_rel->r_bits[3] & RELOC_BITS3_SIZE_LITTLE)
>> RELOC_BITS3_SIZE_SH_LITTLE);
relocatep = FALSE;
adjust_addrp = TRUE;
gp_usedp = FALSE;
addend = 0;
switch (r_type)
{
case ALPHA_R_GPRELHIGH:
(*_bfd_error_handler)
(_("%B: unsupported relocation: ALPHA_R_GPRELHIGH"),
input_bfd);
bfd_set_error (bfd_error_bad_value);
continue;
case ALPHA_R_GPRELLOW:
(*_bfd_error_handler)
(_("%B: unsupported relocation: ALPHA_R_GPRELLOW"),
input_bfd);
bfd_set_error (bfd_error_bad_value);
continue;
default:
(*_bfd_error_handler)
(_("%B: unknown relocation type %d"),
input_bfd, (int) r_type);
bfd_set_error (bfd_error_bad_value);
continue;
case ALPHA_R_IGNORE:
if (info->relocatable)
H_PUT_64 (input_bfd, input_section->output_offset + r_vaddr,
ext_rel->r_vaddr);
adjust_addrp = FALSE;
break;
case ALPHA_R_REFLONG:
case ALPHA_R_REFQUAD:
case ALPHA_R_HINT:
relocatep = TRUE;
break;
case ALPHA_R_BRADDR:
case ALPHA_R_SREL16:
case ALPHA_R_SREL32:
case ALPHA_R_SREL64:
if (r_extern)
addend += - (r_vaddr + 4);
relocatep = TRUE;
break;
case ALPHA_R_GPREL32:
relocatep = TRUE;
addend = ecoff_data (input_bfd)->gp - gp;
gp_usedp = TRUE;
break;
case ALPHA_R_LITERAL:
{
unsigned long insn;
insn = bfd_get_32 (input_bfd,
contents + r_vaddr - input_section->vma);
BFD_ASSERT (((insn >> 26) & 0x3f) == 0x29
|| ((insn >> 26) & 0x3f) == 0x28);
}
relocatep = TRUE;
addend = ecoff_data (input_bfd)->gp - gp;
gp_usedp = TRUE;
break;
case ALPHA_R_LITUSE:
break;
case ALPHA_R_GPDISP:
{
unsigned long insn1, insn2;
insn1 = bfd_get_32 (input_bfd,
contents + r_vaddr - input_section->vma);
insn2 = bfd_get_32 (input_bfd,
(contents
+ r_vaddr
- input_section->vma
+ r_symndx));
BFD_ASSERT (((insn1 >> 26) & 0x3f) == 0x09);
BFD_ASSERT (((insn2 >> 26) & 0x3f) == 0x08);
addend = ((insn1 & 0xffff) << 16) + (insn2 & 0xffff);
if (insn1 & 0x8000)
{
addend -= 0x80000000;
addend -= 0x80000000;
}
if (insn2 & 0x8000)
addend -= 0x10000;
addend += (gp
- ecoff_data (input_bfd)->gp
+ input_section->vma
- (input_section->output_section->vma
+ input_section->output_offset));
if (addend & 0x8000)
addend += 0x10000;
insn1 = (insn1 & 0xffff0000) | ((addend >> 16) & 0xffff);
insn2 = (insn2 & 0xffff0000) | (addend & 0xffff);
bfd_put_32 (input_bfd, (bfd_vma) insn1,
contents + r_vaddr - input_section->vma);
bfd_put_32 (input_bfd, (bfd_vma) insn2,
contents + r_vaddr - input_section->vma + r_symndx);
gp_usedp = TRUE;
}
break;
case ALPHA_R_OP_PUSH:
case ALPHA_R_OP_PSUB:
case ALPHA_R_OP_PRSHIFT:
if (! r_extern)
{
asection *s;
s = symndx_to_section[r_symndx];
if (s == (asection *) NULL)
abort ();
addend = s->output_section->vma + s->output_offset - s->vma;
}
else
{
struct ecoff_link_hash_entry *h;
h = sym_hashes[r_symndx];
if (h == (struct ecoff_link_hash_entry *) NULL)
abort ();
if (! info->relocatable)
{
if (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
addend = (h->root.u.def.value
+ h->root.u.def.section->output_section->vma
+ h->root.u.def.section->output_offset);
else
{
if (! ((*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd,
input_section, (bfd_vma) 0, TRUE)))
return FALSE;
addend = 0;
}
}
else
{
if (h->root.type != bfd_link_hash_defined
&& h->root.type != bfd_link_hash_defweak
&& h->indx == -1)
{
if (! ((*info->callbacks->unattached_reloc)
(info, h->root.root.string, input_bfd,
input_section, (bfd_vma) 0)))
return FALSE;
}
addend = alpha_convert_external_reloc (output_bfd, info,
input_bfd,
ext_rel, h);
}
}
addend += r_vaddr;
if (info->relocatable)
{
H_PUT_64 (input_bfd, addend, ext_rel->r_vaddr);
}
else
{
switch (r_type)
{
case ALPHA_R_OP_PUSH:
if (tos >= RELOC_STACKSIZE)
abort ();
stack[tos++] = addend;
break;
case ALPHA_R_OP_PSUB:
if (tos == 0)
abort ();
stack[tos - 1] -= addend;
break;
case ALPHA_R_OP_PRSHIFT:
if (tos == 0)
abort ();
stack[tos - 1] >>= addend;
break;
}
}
adjust_addrp = FALSE;
break;
case ALPHA_R_OP_STORE:
if (! info->relocatable)
{
bfd_vma mask;
bfd_vma val;
if (tos == 0)
abort ();
mask = 1;
mask <<= (bfd_vma) r_size;
mask -= 1;
val = bfd_get_64 (input_bfd,
contents + r_vaddr - input_section->vma);
val &=~ mask << (bfd_vma) r_offset;
val |= (stack[--tos] & mask) << (bfd_vma) r_offset;
bfd_put_64 (input_bfd, val,
contents + r_vaddr - input_section->vma);
}
break;
case ALPHA_R_GPVALUE:
gp = ecoff_data (input_bfd)->gp + r_symndx;
gp_undefined = FALSE;
break;
}
if (relocatep)
{
reloc_howto_type *howto;
struct ecoff_link_hash_entry *h = NULL;
asection *s = NULL;
bfd_vma relocation;
bfd_reloc_status_type r;
howto = &alpha_howto_table[r_type];
if (r_extern)
{
h = sym_hashes[r_symndx];
if (h == (struct ecoff_link_hash_entry *) NULL)
abort ();
}
else
{
if (r_symndx >= NUM_RELOC_SECTIONS)
s = NULL;
else
s = symndx_to_section[r_symndx];
if (s == (asection *) NULL)
abort ();
}
if (info->relocatable)
{
if (r_extern)
{
if (h->root.type != bfd_link_hash_defined
&& h->root.type != bfd_link_hash_defweak
&& h->indx == -1)
{
if (! ((*info->callbacks->unattached_reloc)
(info, h->root.root.string, input_bfd,
input_section, r_vaddr - input_section->vma)))
return FALSE;
}
relocation = alpha_convert_external_reloc (output_bfd,
info,
input_bfd,
ext_rel,
h);
}
else
{
relocation = (s->output_section->vma
+ s->output_offset
- s->vma);
}
if (howto->pc_relative)
relocation -= (input_section->output_section->vma
+ input_section->output_offset
- input_section->vma);
relocation += addend;
r = _bfd_relocate_contents (howto, input_bfd, relocation,
(contents
+ r_vaddr
- input_section->vma));
}
else
{
if (r_extern)
{
if (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
{
asection *hsec;
hsec = h->root.u.def.section;
relocation = (h->root.u.def.value
+ hsec->output_section->vma
+ hsec->output_offset);
}
else
{
if (! ((*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd,
input_section,
r_vaddr - input_section->vma, TRUE)))
return FALSE;
relocation = 0;
}
}
else
{
relocation = (s->output_section->vma
+ s->output_offset
- s->vma);
if (howto->pc_relative)
relocation += input_section->vma;
}
r = _bfd_final_link_relocate (howto,
input_bfd,
input_section,
contents,
r_vaddr - input_section->vma,
relocation,
addend);
}
if (r != bfd_reloc_ok)
{
switch (r)
{
default:
case bfd_reloc_outofrange:
abort ();
case bfd_reloc_overflow:
{
const char *name;
if (r_extern)
name = sym_hashes[r_symndx]->root.root.string;
else
name = bfd_section_name (input_bfd,
symndx_to_section[r_symndx]);
if (! ((*info->callbacks->reloc_overflow)
(info, NULL, name,
alpha_howto_table[r_type].name,
(bfd_vma) 0, input_bfd, input_section,
r_vaddr - input_section->vma)))
return FALSE;
}
break;
}
}
}
if (info->relocatable && adjust_addrp)
{
H_PUT_64 (input_bfd,
(input_section->output_section->vma
+ input_section->output_offset
- input_section->vma
+ r_vaddr),
ext_rel->r_vaddr);
}
if (gp_usedp && gp_undefined)
{
if (! ((*info->callbacks->reloc_dangerous)
(info, _("GP relative relocation used when GP not defined"),
input_bfd, input_section, r_vaddr - input_section->vma)))
return FALSE;
gp = 4;
_bfd_set_gp_value (output_bfd, gp);
gp_undefined = FALSE;
}
}
if (tos != 0)
abort ();
return TRUE;
}
static bfd_boolean
alpha_adjust_headers (abfd, fhdr, ahdr)
bfd *abfd;
struct internal_filehdr *fhdr;
struct internal_aouthdr *ahdr ATTRIBUTE_UNUSED;
{
if ((abfd->flags & (DYNAMIC | EXEC_P)) == (DYNAMIC | EXEC_P))
fhdr->f_flags |= F_ALPHA_CALL_SHARED;
else if ((abfd->flags & DYNAMIC) != 0)
fhdr->f_flags |= F_ALPHA_SHARABLE;
return TRUE;
}
#define alpha_ecoff_slurp_armap _bfd_ecoff_slurp_armap
#define alpha_ecoff_slurp_extended_name_table \
_bfd_ecoff_slurp_extended_name_table
#define alpha_ecoff_construct_extended_name_table \
_bfd_ecoff_construct_extended_name_table
#define alpha_ecoff_truncate_arname _bfd_ecoff_truncate_arname
#define alpha_ecoff_write_armap _bfd_ecoff_write_armap
#define alpha_ecoff_generic_stat_arch_elt _bfd_ecoff_generic_stat_arch_elt
#define alpha_ecoff_update_armap_timestamp _bfd_ecoff_update_armap_timestamp
#define ARFZMAG "Z\012"
static PTR
alpha_ecoff_read_ar_hdr (abfd)
bfd *abfd;
{
struct areltdata *ret;
struct ar_hdr *h;
ret = (struct areltdata *) _bfd_generic_read_ar_hdr_mag (abfd, ARFZMAG);
if (ret == NULL)
return NULL;
h = (struct ar_hdr *) ret->arch_header;
if (strncmp (h->ar_fmag, ARFZMAG, 2) == 0)
{
bfd_byte ab[8];
if (bfd_seek (abfd, (file_ptr) FILHSZ, SEEK_CUR) != 0
|| bfd_bread (ab, (bfd_size_type) 8, abfd) != 8
|| bfd_seek (abfd, (file_ptr) (- (FILHSZ + 8)), SEEK_CUR) != 0)
return NULL;
ret->parsed_size = H_GET_64 (abfd, ab);
}
return (PTR) ret;
}
static bfd *
alpha_ecoff_get_elt_at_filepos (archive, filepos)
bfd *archive;
file_ptr filepos;
{
bfd *nbfd = NULL;
struct areltdata *tdata;
struct ar_hdr *hdr;
bfd_byte ab[8];
bfd_size_type size;
bfd_byte *buf, *p;
struct bfd_in_memory *bim;
nbfd = _bfd_get_elt_at_filepos (archive, filepos);
if (nbfd == NULL)
goto error_return;
if ((nbfd->flags & BFD_IN_MEMORY) != 0)
{
return nbfd;
}
tdata = (struct areltdata *) nbfd->arelt_data;
hdr = (struct ar_hdr *) tdata->arch_header;
if (strncmp (hdr->ar_fmag, ARFZMAG, 2) != 0)
return nbfd;
if (bfd_seek (nbfd, (file_ptr) FILHSZ, SEEK_SET) != 0)
goto error_return;
if (bfd_bread (ab, (bfd_size_type) 8, nbfd) != 8)
goto error_return;
size = H_GET_64 (nbfd, ab);
if (size == 0)
buf = NULL;
else
{
bfd_size_type left;
bfd_byte dict[4096];
unsigned int h;
bfd_byte b;
buf = (bfd_byte *) bfd_alloc (nbfd, size);
if (buf == NULL)
goto error_return;
p = buf;
left = size;
if (bfd_bread (ab, (bfd_size_type) 8, nbfd) != 8)
goto error_return;
memset (dict, 0, sizeof dict);
h = 0;
while (bfd_bread (&b, (bfd_size_type) 1, nbfd) == 1)
{
unsigned int i;
for (i = 0; i < 8; i++, b >>= 1)
{
bfd_byte n;
if ((b & 1) == 0)
n = dict[h];
else
{
if (! bfd_bread (&n, (bfd_size_type) 1, nbfd))
goto error_return;
dict[h] = n;
}
*p++ = n;
--left;
if (left == 0)
break;
h <<= 4;
h ^= n;
h &= sizeof dict - 1;
}
if (left == 0)
break;
}
}
bim = ((struct bfd_in_memory *)
bfd_alloc (nbfd, (bfd_size_type) sizeof (struct bfd_in_memory)));
if (bim == NULL)
goto error_return;
bim->size = size;
bim->buffer = buf;
nbfd->mtime_set = TRUE;
nbfd->mtime = strtol (hdr->ar_date, (char **) NULL, 10);
nbfd->flags |= BFD_IN_MEMORY;
nbfd->iostream = (PTR) bim;
BFD_ASSERT (! nbfd->cacheable);
return nbfd;
error_return:
if (nbfd != NULL)
bfd_close (nbfd);
return NULL;
}
static bfd *
alpha_ecoff_openr_next_archived_file (archive, last_file)
bfd *archive;
bfd *last_file;
{
file_ptr filestart;
if (last_file == NULL)
filestart = bfd_ardata (archive)->first_file_filepos;
else
{
struct areltdata *t;
struct ar_hdr *h;
bfd_size_type size;
t = (struct areltdata *) last_file->arelt_data;
h = (struct ar_hdr *) t->arch_header;
size = strtol (h->ar_size, (char **) NULL, 10);
filestart = last_file->origin + size;
filestart += filestart % 2;
}
return alpha_ecoff_get_elt_at_filepos (archive, filestart);
}
static bfd *
alpha_ecoff_get_elt_at_index (abfd, index)
bfd *abfd;
symindex index;
{
carsym *entry;
entry = bfd_ardata (abfd)->symdefs + index;
return alpha_ecoff_get_elt_at_filepos (abfd, entry->file_offset);
}
static const struct ecoff_backend_data alpha_ecoff_backend_data =
{
{
(void (*) PARAMS ((bfd *,PTR,int,int,int,int,PTR))) bfd_void,
(void (*) PARAMS ((bfd *,PTR,PTR))) bfd_void,
(void (*) PARAMS ((bfd *,PTR,PTR))) bfd_void,
(unsigned (*) PARAMS ((bfd *,PTR,int,int,int,int,PTR)))bfd_void,
(unsigned (*) PARAMS ((bfd *,PTR,PTR))) bfd_void,
(unsigned (*) PARAMS ((bfd *,PTR,PTR))) bfd_void,
(unsigned (*) PARAMS ((bfd *,PTR,PTR))) bfd_void,
alpha_ecoff_swap_filehdr_out, alpha_ecoff_swap_aouthdr_out,
alpha_ecoff_swap_scnhdr_out,
FILHSZ, AOUTSZ, SCNHSZ, 0, 0, 0, 0, FILNMLEN, TRUE, FALSE, 4, FALSE, 2,
alpha_ecoff_swap_filehdr_in, alpha_ecoff_swap_aouthdr_in,
alpha_ecoff_swap_scnhdr_in, NULL,
alpha_ecoff_bad_format_hook, _bfd_ecoff_set_arch_mach_hook,
alpha_ecoff_mkobject_hook, _bfd_ecoff_styp_to_sec_flags,
_bfd_ecoff_set_alignment_hook, _bfd_ecoff_slurp_symbol_table,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, NULL, NULL
},
bfd_arch_alpha,
"________64",
0x2000,
TRUE,
64,
&alpha_howto_table[ALPHA_R_REFQUAD],
{
magicSym2,
8,
sizeof (struct hdr_ext),
sizeof (struct dnr_ext),
sizeof (struct pdr_ext),
sizeof (struct sym_ext),
sizeof (struct opt_ext),
sizeof (struct fdr_ext),
sizeof (struct rfd_ext),
sizeof (struct ext_ext),
ecoff_swap_hdr_in,
ecoff_swap_dnr_in,
ecoff_swap_pdr_in,
ecoff_swap_sym_in,
ecoff_swap_opt_in,
ecoff_swap_fdr_in,
ecoff_swap_rfd_in,
ecoff_swap_ext_in,
_bfd_ecoff_swap_tir_in,
_bfd_ecoff_swap_rndx_in,
ecoff_swap_hdr_out,
ecoff_swap_dnr_out,
ecoff_swap_pdr_out,
ecoff_swap_sym_out,
ecoff_swap_opt_out,
ecoff_swap_fdr_out,
ecoff_swap_rfd_out,
ecoff_swap_ext_out,
_bfd_ecoff_swap_tir_out,
_bfd_ecoff_swap_rndx_out,
_bfd_ecoff_slurp_symbolic_info
},
RELSZ,
alpha_ecoff_swap_reloc_in,
alpha_ecoff_swap_reloc_out,
alpha_adjust_reloc_in,
alpha_adjust_reloc_out,
alpha_relocate_section,
alpha_adjust_headers,
alpha_ecoff_get_elt_at_filepos
};
#define _bfd_ecoff_bfd_reloc_type_lookup alpha_bfd_reloc_type_lookup
#define _bfd_ecoff_bfd_get_relocated_section_contents \
alpha_ecoff_get_relocated_section_contents
#define _bfd_ecoff_get_section_contents_in_window \
_bfd_generic_get_section_contents_in_window
#define _bfd_ecoff_get_section_contents_in_window_with_mode \
_bfd_generic_get_section_contents_in_window_with_mode
#define _bfd_ecoff_bfd_relax_section bfd_generic_relax_section
#define _bfd_ecoff_bfd_gc_sections bfd_generic_gc_sections
#define _bfd_ecoff_bfd_merge_sections bfd_generic_merge_sections
#define _bfd_ecoff_bfd_is_group_section bfd_generic_is_group_section
#define _bfd_ecoff_bfd_discard_group bfd_generic_discard_group
#define _bfd_ecoff_section_already_linked \
_bfd_generic_section_already_linked
const bfd_target ecoffalpha_little_vec =
{
"ecoff-littlealpha",
bfd_target_ecoff_flavour,
BFD_ENDIAN_LITTLE,
BFD_ENDIAN_LITTLE,
(HAS_RELOC | EXEC_P |
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
0,
' ',
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, alpha_ecoff_object_p,
_bfd_ecoff_archive_p, _bfd_dummy_target},
{bfd_false, _bfd_ecoff_mkobject,
_bfd_generic_mkarchive, bfd_false},
{bfd_false, _bfd_ecoff_write_object_contents,
_bfd_write_archive_contents, bfd_false},
BFD_JUMP_TABLE_GENERIC (_bfd_ecoff),
BFD_JUMP_TABLE_COPY (_bfd_ecoff),
BFD_JUMP_TABLE_CORE (_bfd_nocore),
BFD_JUMP_TABLE_ARCHIVE (alpha_ecoff),
BFD_JUMP_TABLE_SYMBOLS (_bfd_ecoff),
BFD_JUMP_TABLE_RELOCS (_bfd_ecoff),
BFD_JUMP_TABLE_WRITE (_bfd_ecoff),
BFD_JUMP_TABLE_LINK (_bfd_ecoff),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
NULL,
(PTR) &alpha_ecoff_backend_data
};