8550eb6e64
fields, change sec into secinfo. (struct sec_merge_info): Add chain, remove last fields. (struct sec_merge_sec_info): Add next, sec, psecinfo fields. (sec_merge_hash_lookup): If lookup could not use a string only because it has bad alignment, mark the old string for deletion. (sec_merge_add): Add secinfo argument. Don't compute entry's position, instead record the section. (sec_merge_emit): Update for the sec into secinfo change in struct sec_merge_hash_entry. (_bfd_merge_section): Only record the section for merging, defer putting strings into the hash table. (cmplengthentry, last4_eq, last_eq, record_section, merge_strings, _bfd_merge_sections): New functions. (_bfd_merged_section_offset): Update for the sec_merge_hash_entry changes. * libbfd-in.h (_bfd_merge_sections): Add prototype. (_bfd_nolink_bfd_merge_sections): Define. * libbfd.h: Likewise. (bfd_generic_merge_sections): Add prototype. * targets.c (BFD_JUMP_TABLE_LINK): Add _bfd_merge_sections. (struct bfd_target): Likewise. * bfd.c (bfd_merge_sections): Define. * bfd-in2.h: Rebuilt. * elf.c (_bfd_elf_merge_sections): New function. * elf-bfd.h (_bfd_elf_merge_sections): Add prototype. * elfxx-target.h (bfd_elfNN_bfd_merge_sections): Define. * reloc.c (bfd_generic_merge_sections): New function. * vms.c (vms_bfd_merge_sections): New function. * aout-adobe.c (aout_32_bfd_merge_sections): Define. * aout-target.h (MY_bfd_merge_sections): Define. * aout-tic30.c (MY_bfd_merge_sections): Define. * binary.c (binary_bfd_merge_sections): Define. * bout.c (b_out_bfd_merge_sections): Define. * coff-alpha.c (_bfd_ecoff_bfd_merge_sections): Define. * coffcode.c (coff_bfd_merge_sections): Define. * coff-mips.c (_bfd_ecoff_bfd_merge_sections): Define. * i386msdos.c (msdos_bfd_merge_sections): Define. * i386os9k.c (os9k_bfd_merge_sections): Define. * ieee.c (ieee_bfd_merge_sections): Define. * ihex.c (ihex_bfd_merge_sections): Define. * nlm-target.h (nlm_bfd_merge_sections): Define. * oasys.c (oasys_bfd_merge_sections): Define. * ppcboot.c (ppcboot_bfd_merge_sections): Define. * som.c (som_bfd_merge_sections): Define. * srec.c (srec_bfd_merge_sections): Define. * tekhex.c (tekhex_bfd_merge_sections): Define. * versados.c (versados_bfd_merge_sections): Define. * xcoff-target.h (_bfd_xcoff_bfd_merge_sections): Define. * ldlang.c (lang_process): Call bfd_merge_sections.
1539 lines
38 KiB
C
1539 lines
38 KiB
C
/* BFD back-end for oasys objects.
|
||
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999
|
||
Free Software Foundation, Inc.
|
||
Written by Steve Chamberlain of Cygnus Support, <sac@cygnus.com>.
|
||
|
||
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. */
|
||
|
||
#define UNDERSCORE_HACK 1
|
||
#include "bfd.h"
|
||
#include "sysdep.h"
|
||
#include <ctype.h>
|
||
#include "libbfd.h"
|
||
#include "oasys.h"
|
||
#include "liboasys.h"
|
||
|
||
/* XXX - FIXME. offsetof belongs in the system-specific files in
|
||
../include/sys. */
|
||
/* Define offsetof for those systems which lack it */
|
||
|
||
#ifndef offsetof
|
||
#define offsetof(type, identifier) (size_t) &(((type *) 0)->identifier)
|
||
#endif
|
||
|
||
static boolean oasys_read_record PARAMS ((bfd *,
|
||
oasys_record_union_type *));
|
||
static boolean oasys_write_sections PARAMS ((bfd *));
|
||
static boolean oasys_write_record PARAMS ((bfd *,
|
||
oasys_record_enum_type,
|
||
oasys_record_union_type *,
|
||
size_t));
|
||
static boolean oasys_write_syms PARAMS ((bfd *));
|
||
static boolean oasys_write_header PARAMS ((bfd *));
|
||
static boolean oasys_write_end PARAMS ((bfd *));
|
||
static boolean oasys_write_data PARAMS ((bfd *));
|
||
|
||
/* Read in all the section data and relocation stuff too */
|
||
PROTO (static boolean, oasys_slurp_section_data, (bfd * CONST abfd));
|
||
|
||
static boolean
|
||
oasys_read_record (abfd, record)
|
||
bfd *abfd;
|
||
oasys_record_union_type *record;
|
||
{
|
||
if (bfd_read ((PTR) record, 1, sizeof (record->header), abfd)
|
||
!= sizeof (record->header))
|
||
return false;
|
||
|
||
if ((size_t) record->header.length <= (size_t) sizeof (record->header))
|
||
return true;
|
||
if (bfd_read ((PTR) (((char *) record) + sizeof (record->header)),
|
||
1, record->header.length - sizeof (record->header),
|
||
abfd)
|
||
!= record->header.length - sizeof (record->header))
|
||
return false;
|
||
return true;
|
||
}
|
||
static size_t
|
||
oasys_string_length (record)
|
||
oasys_record_union_type *record;
|
||
{
|
||
return record->header.length
|
||
- ((char *) record->symbol.name - (char *) record);
|
||
}
|
||
|
||
/*****************************************************************************/
|
||
|
||
/*
|
||
|
||
Slurp the symbol table by reading in all the records at the start file
|
||
till we get to the first section record.
|
||
|
||
We'll sort the symbolss into two lists, defined and undefined. The
|
||
undefined symbols will be placed into the table according to their
|
||
refno.
|
||
|
||
We do this by placing all undefined symbols at the front of the table
|
||
moving in, and the defined symbols at the end of the table moving back.
|
||
|
||
*/
|
||
|
||
static boolean
|
||
oasys_slurp_symbol_table (abfd)
|
||
bfd *CONST abfd;
|
||
{
|
||
oasys_record_union_type record;
|
||
oasys_data_type *data = OASYS_DATA (abfd);
|
||
boolean loop = true;
|
||
asymbol *dest_defined;
|
||
asymbol *dest;
|
||
char *string_ptr;
|
||
|
||
|
||
if (data->symbols != (asymbol *) NULL)
|
||
{
|
||
return true;
|
||
}
|
||
/* Buy enough memory for all the symbols and all the names */
|
||
data->symbols =
|
||
(asymbol *) bfd_alloc (abfd, sizeof (asymbol) * abfd->symcount);
|
||
#ifdef UNDERSCORE_HACK
|
||
/* buy 1 more char for each symbol to keep the underscore in*/
|
||
data->strings = bfd_alloc (abfd, data->symbol_string_length +
|
||
abfd->symcount);
|
||
#else
|
||
data->strings = bfd_alloc (abfd, data->symbol_string_length);
|
||
#endif
|
||
if (!data->symbols || !data->strings)
|
||
return false;
|
||
|
||
dest_defined = data->symbols + abfd->symcount - 1;
|
||
|
||
string_ptr = data->strings;
|
||
if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
|
||
return false;
|
||
while (loop)
|
||
{
|
||
|
||
if (! oasys_read_record (abfd, &record))
|
||
return false;
|
||
switch (record.header.type)
|
||
{
|
||
case oasys_record_is_header_enum:
|
||
break;
|
||
case oasys_record_is_local_enum:
|
||
case oasys_record_is_symbol_enum:
|
||
{
|
||
int flag = record.header.type == (int) oasys_record_is_local_enum ?
|
||
(BSF_LOCAL) : (BSF_GLOBAL | BSF_EXPORT);
|
||
|
||
|
||
size_t length = oasys_string_length (&record);
|
||
switch (record.symbol.relb & RELOCATION_TYPE_BITS)
|
||
{
|
||
case RELOCATION_TYPE_ABS:
|
||
dest = dest_defined--;
|
||
dest->section = bfd_abs_section_ptr;
|
||
dest->flags = 0;
|
||
|
||
break;
|
||
case RELOCATION_TYPE_REL:
|
||
dest = dest_defined--;
|
||
dest->section =
|
||
OASYS_DATA (abfd)->sections[record.symbol.relb &
|
||
RELOCATION_SECT_BITS];
|
||
if (record.header.type == (int) oasys_record_is_local_enum)
|
||
{
|
||
dest->flags = BSF_LOCAL;
|
||
if (dest->section == (asection *) (~0))
|
||
{
|
||
/* It seems that sometimes internal symbols are tied up, but
|
||
still get output, even though there is no
|
||
section */
|
||
dest->section = 0;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
|
||
dest->flags = flag;
|
||
}
|
||
break;
|
||
case RELOCATION_TYPE_UND:
|
||
dest = data->symbols + bfd_h_get_16 (abfd, record.symbol.refno);
|
||
dest->section = bfd_und_section_ptr;
|
||
break;
|
||
case RELOCATION_TYPE_COM:
|
||
dest = dest_defined--;
|
||
dest->name = string_ptr;
|
||
dest->the_bfd = abfd;
|
||
|
||
dest->section = bfd_com_section_ptr;
|
||
|
||
break;
|
||
default:
|
||
dest = dest_defined--;
|
||
BFD_ASSERT (0);
|
||
break;
|
||
}
|
||
dest->name = string_ptr;
|
||
dest->the_bfd = abfd;
|
||
dest->udata.p = (PTR) NULL;
|
||
dest->value = bfd_h_get_32 (abfd, record.symbol.value);
|
||
|
||
#ifdef UNDERSCORE_HACK
|
||
if (record.symbol.name[0] != '_')
|
||
{
|
||
string_ptr[0] = '_';
|
||
string_ptr++;
|
||
}
|
||
#endif
|
||
memcpy (string_ptr, record.symbol.name, length);
|
||
|
||
|
||
string_ptr[length] = 0;
|
||
string_ptr += length + 1;
|
||
}
|
||
break;
|
||
default:
|
||
loop = false;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
static long
|
||
oasys_get_symtab_upper_bound (abfd)
|
||
bfd *CONST abfd;
|
||
{
|
||
if (! oasys_slurp_symbol_table (abfd))
|
||
return -1;
|
||
|
||
return (abfd->symcount + 1) * (sizeof (oasys_symbol_type *));
|
||
}
|
||
|
||
/*
|
||
*/
|
||
|
||
extern const bfd_target oasys_vec;
|
||
|
||
long
|
||
oasys_get_symtab (abfd, location)
|
||
bfd *abfd;
|
||
asymbol **location;
|
||
{
|
||
asymbol *symbase;
|
||
unsigned int counter;
|
||
if (oasys_slurp_symbol_table (abfd) == false)
|
||
{
|
||
return -1;
|
||
}
|
||
symbase = OASYS_DATA (abfd)->symbols;
|
||
for (counter = 0; counter < abfd->symcount; counter++)
|
||
{
|
||
*(location++) = symbase++;
|
||
}
|
||
*location = 0;
|
||
return abfd->symcount;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* archive stuff
|
||
*/
|
||
|
||
static const bfd_target *
|
||
oasys_archive_p (abfd)
|
||
bfd *abfd;
|
||
{
|
||
oasys_archive_header_type header;
|
||
oasys_extarchive_header_type header_ext;
|
||
unsigned int i;
|
||
file_ptr filepos;
|
||
|
||
if (bfd_seek (abfd, (file_ptr) 0, false) != 0
|
||
|| (bfd_read ((PTR) & header_ext, 1, sizeof (header_ext), abfd)
|
||
!= sizeof (header_ext)))
|
||
{
|
||
if (bfd_get_error () != bfd_error_system_call)
|
||
bfd_set_error (bfd_error_wrong_format);
|
||
return NULL;
|
||
}
|
||
|
||
header.version = bfd_h_get_32 (abfd, header_ext.version);
|
||
header.mod_count = bfd_h_get_32 (abfd, header_ext.mod_count);
|
||
header.mod_tbl_offset = bfd_h_get_32 (abfd, header_ext.mod_tbl_offset);
|
||
header.sym_tbl_size = bfd_h_get_32 (abfd, header_ext.sym_tbl_size);
|
||
header.sym_count = bfd_h_get_32 (abfd, header_ext.sym_count);
|
||
header.sym_tbl_offset = bfd_h_get_32 (abfd, header_ext.sym_tbl_offset);
|
||
header.xref_count = bfd_h_get_32 (abfd, header_ext.xref_count);
|
||
header.xref_lst_offset = bfd_h_get_32 (abfd, header_ext.xref_lst_offset);
|
||
|
||
/*
|
||
There isn't a magic number in an Oasys archive, so the best we
|
||
can do to verify reasnableness is to make sure that the values in
|
||
the header are too weird
|
||
*/
|
||
|
||
if (header.version > 10000 ||
|
||
header.mod_count > 10000 ||
|
||
header.sym_count > 100000 ||
|
||
header.xref_count > 100000)
|
||
return (const bfd_target *) NULL;
|
||
|
||
/*
|
||
That all worked, let's buy the space for the header and read in
|
||
the headers.
|
||
*/
|
||
{
|
||
oasys_ar_data_type *ar =
|
||
(oasys_ar_data_type *) bfd_alloc (abfd, sizeof (oasys_ar_data_type));
|
||
|
||
oasys_module_info_type *module =
|
||
(oasys_module_info_type *)
|
||
bfd_alloc (abfd, sizeof (oasys_module_info_type) * header.mod_count);
|
||
oasys_module_table_type record;
|
||
|
||
if (!ar || !module)
|
||
return NULL;
|
||
|
||
abfd->tdata.oasys_ar_data = ar;
|
||
ar->module = module;
|
||
ar->module_count = header.mod_count;
|
||
|
||
filepos = header.mod_tbl_offset;
|
||
for (i = 0; i < header.mod_count; i++)
|
||
{
|
||
if (bfd_seek (abfd, filepos, SEEK_SET) != 0)
|
||
return NULL;
|
||
|
||
/* There are two ways of specifying the archive header */
|
||
|
||
if (0)
|
||
{
|
||
oasys_extmodule_table_type_a_type record_ext;
|
||
if (bfd_read ((PTR) & record_ext, 1, sizeof (record_ext), abfd)
|
||
!= sizeof (record_ext))
|
||
return NULL;
|
||
|
||
record.mod_size = bfd_h_get_32 (abfd, record_ext.mod_size);
|
||
record.file_offset = bfd_h_get_32 (abfd, record_ext.file_offset);
|
||
|
||
record.dep_count = bfd_h_get_32 (abfd, record_ext.dep_count);
|
||
record.depee_count = bfd_h_get_32 (abfd, record_ext.depee_count);
|
||
record.sect_count = bfd_h_get_32 (abfd, record_ext.sect_count);
|
||
|
||
module[i].name = bfd_alloc (abfd, 33);
|
||
if (!module[i].name)
|
||
return NULL;
|
||
|
||
memcpy (module[i].name, record_ext.mod_name, 33);
|
||
filepos +=
|
||
sizeof (record_ext) +
|
||
record.dep_count * 4 +
|
||
record.depee_count * 4 +
|
||
record.sect_count * 8 + 187;
|
||
}
|
||
else
|
||
{
|
||
oasys_extmodule_table_type_b_type record_ext;
|
||
if (bfd_read ((PTR) & record_ext, 1, sizeof (record_ext), abfd)
|
||
!= sizeof (record_ext))
|
||
return NULL;
|
||
|
||
record.mod_size = bfd_h_get_32 (abfd, record_ext.mod_size);
|
||
record.file_offset = bfd_h_get_32 (abfd, record_ext.file_offset);
|
||
|
||
record.dep_count = bfd_h_get_32 (abfd, record_ext.dep_count);
|
||
record.depee_count = bfd_h_get_32 (abfd, record_ext.depee_count);
|
||
record.sect_count = bfd_h_get_32 (abfd, record_ext.sect_count);
|
||
record.module_name_size = bfd_h_get_32 (abfd, record_ext.mod_name_length);
|
||
|
||
module[i].name = bfd_alloc (abfd, record.module_name_size + 1);
|
||
if (!module[i].name)
|
||
return NULL;
|
||
if (bfd_read ((PTR) module[i].name, 1, record.module_name_size,
|
||
abfd)
|
||
!= record.module_name_size)
|
||
return NULL;
|
||
module[i].name[record.module_name_size] = 0;
|
||
filepos +=
|
||
sizeof (record_ext) +
|
||
record.dep_count * 4 +
|
||
record.module_name_size + 1;
|
||
|
||
}
|
||
|
||
|
||
module[i].size = record.mod_size;
|
||
module[i].pos = record.file_offset;
|
||
module[i].abfd = 0;
|
||
}
|
||
|
||
}
|
||
return abfd->xvec;
|
||
}
|
||
|
||
static boolean
|
||
oasys_mkobject (abfd)
|
||
bfd *abfd;
|
||
{
|
||
|
||
abfd->tdata.oasys_obj_data = (oasys_data_type *) bfd_alloc (abfd, sizeof (oasys_data_type));
|
||
return abfd->tdata.oasys_obj_data ? true : false;
|
||
}
|
||
|
||
#define MAX_SECS 16
|
||
static const bfd_target *
|
||
oasys_object_p (abfd)
|
||
bfd *abfd;
|
||
{
|
||
oasys_data_type *oasys;
|
||
oasys_data_type *save = OASYS_DATA (abfd);
|
||
boolean loop = true;
|
||
boolean had_usefull = false;
|
||
|
||
abfd->tdata.oasys_obj_data = 0;
|
||
oasys_mkobject (abfd);
|
||
oasys = OASYS_DATA (abfd);
|
||
memset ((PTR) oasys->sections, 0xff, sizeof (oasys->sections));
|
||
|
||
/* Point to the start of the file */
|
||
if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
|
||
goto fail;
|
||
oasys->symbol_string_length = 0;
|
||
/* Inspect the records, but only keep the section info -
|
||
remember the size of the symbols
|
||
*/
|
||
oasys->first_data_record = 0;
|
||
while (loop)
|
||
{
|
||
oasys_record_union_type record;
|
||
if (! oasys_read_record (abfd, &record))
|
||
goto fail;
|
||
if ((size_t) record.header.length < (size_t) sizeof (record.header))
|
||
goto fail;
|
||
|
||
|
||
switch ((oasys_record_enum_type) (record.header.type))
|
||
{
|
||
case oasys_record_is_header_enum:
|
||
had_usefull = true;
|
||
break;
|
||
case oasys_record_is_symbol_enum:
|
||
case oasys_record_is_local_enum:
|
||
/* Count symbols and remember their size for a future malloc */
|
||
abfd->symcount++;
|
||
oasys->symbol_string_length += 1 + oasys_string_length (&record);
|
||
had_usefull = true;
|
||
break;
|
||
case oasys_record_is_section_enum:
|
||
{
|
||
asection *s;
|
||
char *buffer;
|
||
unsigned int section_number;
|
||
if (record.section.header.length != sizeof (record.section))
|
||
{
|
||
goto fail;
|
||
}
|
||
buffer = bfd_alloc (abfd, 3);
|
||
if (!buffer)
|
||
goto fail;
|
||
section_number = record.section.relb & RELOCATION_SECT_BITS;
|
||
sprintf (buffer, "%u", section_number);
|
||
s = bfd_make_section (abfd, buffer);
|
||
oasys->sections[section_number] = s;
|
||
switch (record.section.relb & RELOCATION_TYPE_BITS)
|
||
{
|
||
case RELOCATION_TYPE_ABS:
|
||
case RELOCATION_TYPE_REL:
|
||
break;
|
||
case RELOCATION_TYPE_UND:
|
||
case RELOCATION_TYPE_COM:
|
||
BFD_FAIL ();
|
||
}
|
||
|
||
s->_raw_size = bfd_h_get_32 (abfd, record.section.value);
|
||
s->vma = bfd_h_get_32 (abfd, record.section.vma);
|
||
s->flags = 0;
|
||
had_usefull = true;
|
||
}
|
||
break;
|
||
case oasys_record_is_data_enum:
|
||
oasys->first_data_record = bfd_tell (abfd) - record.header.length;
|
||
case oasys_record_is_debug_enum:
|
||
case oasys_record_is_module_enum:
|
||
case oasys_record_is_named_section_enum:
|
||
case oasys_record_is_end_enum:
|
||
if (had_usefull == false)
|
||
goto fail;
|
||
loop = false;
|
||
break;
|
||
default:
|
||
goto fail;
|
||
}
|
||
}
|
||
oasys->symbols = (asymbol *) NULL;
|
||
/*
|
||
Oasys support several architectures, but I can't see a simple way
|
||
to discover which one is in a particular file - we'll guess
|
||
*/
|
||
bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
|
||
if (abfd->symcount != 0)
|
||
{
|
||
abfd->flags |= HAS_SYMS;
|
||
}
|
||
|
||
/*
|
||
We don't know if a section has data until we've read it..
|
||
*/
|
||
|
||
oasys_slurp_section_data (abfd);
|
||
|
||
|
||
return abfd->xvec;
|
||
|
||
fail:
|
||
(void) bfd_release (abfd, oasys);
|
||
abfd->tdata.oasys_obj_data = save;
|
||
return (const bfd_target *) NULL;
|
||
}
|
||
|
||
|
||
static void
|
||
oasys_get_symbol_info (ignore_abfd, symbol, ret)
|
||
bfd *ignore_abfd ATTRIBUTE_UNUSED;
|
||
asymbol *symbol;
|
||
symbol_info *ret;
|
||
{
|
||
bfd_symbol_info (symbol, ret);
|
||
if (!symbol->section)
|
||
ret->type = (symbol->flags & BSF_LOCAL) ? 'a' : 'A';
|
||
}
|
||
|
||
static void
|
||
oasys_print_symbol (ignore_abfd, afile, symbol, how)
|
||
bfd *ignore_abfd ATTRIBUTE_UNUSED;
|
||
PTR afile;
|
||
asymbol *symbol;
|
||
bfd_print_symbol_type how;
|
||
{
|
||
FILE *file = (FILE *) afile;
|
||
|
||
switch (how)
|
||
{
|
||
case bfd_print_symbol_name:
|
||
case bfd_print_symbol_more:
|
||
fprintf (file, "%s", symbol->name);
|
||
break;
|
||
case bfd_print_symbol_all:
|
||
{
|
||
CONST char *section_name = symbol->section == (asection *) NULL ?
|
||
(CONST char *) "*abs" : symbol->section->name;
|
||
|
||
bfd_print_symbol_vandf ((PTR) file, symbol);
|
||
|
||
fprintf (file, " %-5s %s",
|
||
section_name,
|
||
symbol->name);
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
/*
|
||
The howto table is build using the top two bits of a reloc byte to
|
||
index into it. The bits are PCREL,WORD/LONG
|
||
*/
|
||
static reloc_howto_type howto_table[] =
|
||
{
|
||
|
||
HOWTO (0, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "abs16", true, 0x0000ffff, 0x0000ffff, false),
|
||
HOWTO (0, 0, 2, 32, false, 0, complain_overflow_bitfield, 0, "abs32", true, 0xffffffff, 0xffffffff, false),
|
||
HOWTO (0, 0, 1, 16, true, 0, complain_overflow_signed, 0, "pcrel16", true, 0x0000ffff, 0x0000ffff, false),
|
||
HOWTO (0, 0, 2, 32, true, 0, complain_overflow_signed, 0, "pcrel32", true, 0xffffffff, 0xffffffff, false)
|
||
};
|
||
|
||
/* Read in all the section data and relocation stuff too */
|
||
static boolean
|
||
oasys_slurp_section_data (abfd)
|
||
bfd *CONST abfd;
|
||
{
|
||
oasys_record_union_type record;
|
||
oasys_data_type *data = OASYS_DATA (abfd);
|
||
boolean loop = true;
|
||
|
||
oasys_per_section_type *per;
|
||
|
||
asection *s;
|
||
|
||
/* See if the data has been slurped already .. */
|
||
for (s = abfd->sections; s != (asection *) NULL; s = s->next)
|
||
{
|
||
per = oasys_per_section (s);
|
||
if (per->initialized == true)
|
||
return true;
|
||
}
|
||
|
||
if (data->first_data_record == 0)
|
||
return true;
|
||
|
||
if (bfd_seek (abfd, data->first_data_record, SEEK_SET) != 0)
|
||
return false;
|
||
while (loop)
|
||
{
|
||
if (! oasys_read_record (abfd, &record))
|
||
return false;
|
||
switch (record.header.type)
|
||
{
|
||
case oasys_record_is_header_enum:
|
||
break;
|
||
case oasys_record_is_data_enum:
|
||
{
|
||
|
||
bfd_byte *src = record.data.data;
|
||
bfd_byte *end_src = ((bfd_byte *) & record) + record.header.length;
|
||
bfd_byte *dst_ptr;
|
||
bfd_byte *dst_base_ptr;
|
||
unsigned int relbit;
|
||
unsigned int count;
|
||
asection *section =
|
||
data->sections[record.data.relb & RELOCATION_SECT_BITS];
|
||
bfd_vma dst_offset;
|
||
|
||
per = oasys_per_section (section);
|
||
|
||
if (per->initialized == false)
|
||
{
|
||
per->data = (bfd_byte *) bfd_zalloc (abfd, section->_raw_size);
|
||
if (!per->data)
|
||
return false;
|
||
per->reloc_tail_ptr = (oasys_reloc_type **) & (section->relocation);
|
||
per->had_vma = false;
|
||
per->initialized = true;
|
||
section->reloc_count = 0;
|
||
section->flags = SEC_ALLOC;
|
||
}
|
||
|
||
dst_offset = bfd_h_get_32 (abfd, record.data.addr);
|
||
if (per->had_vma == false)
|
||
{
|
||
/* Take the first vma we see as the base */
|
||
section->vma = dst_offset;
|
||
per->had_vma = true;
|
||
}
|
||
|
||
dst_offset -= section->vma;
|
||
|
||
dst_base_ptr = oasys_per_section (section)->data;
|
||
dst_ptr = oasys_per_section (section)->data +
|
||
dst_offset;
|
||
|
||
if (src < end_src)
|
||
{
|
||
section->flags |= SEC_LOAD | SEC_HAS_CONTENTS;
|
||
}
|
||
while (src < end_src)
|
||
{
|
||
unsigned char mod_byte = *src++;
|
||
size_t gap = end_src - src;
|
||
|
||
count = 8;
|
||
if (mod_byte == 0 && gap >= 8)
|
||
{
|
||
dst_ptr[0] = src[0];
|
||
dst_ptr[1] = src[1];
|
||
dst_ptr[2] = src[2];
|
||
dst_ptr[3] = src[3];
|
||
dst_ptr[4] = src[4];
|
||
dst_ptr[5] = src[5];
|
||
dst_ptr[6] = src[6];
|
||
dst_ptr[7] = src[7];
|
||
dst_ptr += 8;
|
||
src += 8;
|
||
}
|
||
else
|
||
{
|
||
for (relbit = 1; count-- != 0 && src < end_src; relbit <<= 1)
|
||
{
|
||
if (relbit & mod_byte)
|
||
{
|
||
unsigned char reloc = *src;
|
||
/* This item needs to be relocated */
|
||
switch (reloc & RELOCATION_TYPE_BITS)
|
||
{
|
||
case RELOCATION_TYPE_ABS:
|
||
|
||
break;
|
||
|
||
case RELOCATION_TYPE_REL:
|
||
{
|
||
/* Relocate the item relative to the section */
|
||
oasys_reloc_type *r =
|
||
(oasys_reloc_type *)
|
||
bfd_alloc (abfd,
|
||
sizeof (oasys_reloc_type));
|
||
if (!r)
|
||
return false;
|
||
*(per->reloc_tail_ptr) = r;
|
||
per->reloc_tail_ptr = &r->next;
|
||
r->next = (oasys_reloc_type *) NULL;
|
||
/* Reference to undefined symbol */
|
||
src++;
|
||
/* There is no symbol */
|
||
r->symbol = 0;
|
||
/* Work out the howto */
|
||
abort ();
|
||
#if 0
|
||
r->relent.section =
|
||
data->sections[reloc &
|
||
RELOCATION_SECT_BITS];
|
||
|
||
r->relent.addend = -
|
||
r->relent.section->vma;
|
||
#endif
|
||
r->relent.address = dst_ptr - dst_base_ptr;
|
||
r->relent.howto = &howto_table[reloc >> 6];
|
||
r->relent.sym_ptr_ptr = (asymbol **) NULL;
|
||
section->reloc_count++;
|
||
|
||
/* Fake up the data to look like it's got the -ve pc in it, this makes
|
||
it much easier to convert into other formats. This is done by
|
||
hitting the addend.
|
||
*/
|
||
if (r->relent.howto->pc_relative == true)
|
||
{
|
||
r->relent.addend -= dst_ptr - dst_base_ptr;
|
||
}
|
||
|
||
|
||
}
|
||
break;
|
||
|
||
|
||
case RELOCATION_TYPE_UND:
|
||
{
|
||
oasys_reloc_type *r =
|
||
(oasys_reloc_type *)
|
||
bfd_alloc (abfd,
|
||
sizeof (oasys_reloc_type));
|
||
if (!r)
|
||
return false;
|
||
*(per->reloc_tail_ptr) = r;
|
||
per->reloc_tail_ptr = &r->next;
|
||
r->next = (oasys_reloc_type *) NULL;
|
||
/* Reference to undefined symbol */
|
||
src++;
|
||
/* Get symbol number */
|
||
r->symbol = (src[0] << 8) | src[1];
|
||
/* Work out the howto */
|
||
abort ();
|
||
|
||
#if 0
|
||
r->relent.section = (asection
|
||
*) NULL;
|
||
#endif
|
||
r->relent.addend = 0;
|
||
r->relent.address = dst_ptr - dst_base_ptr;
|
||
r->relent.howto = &howto_table[reloc >> 6];
|
||
r->relent.sym_ptr_ptr = (asymbol **) NULL;
|
||
section->reloc_count++;
|
||
|
||
src += 2;
|
||
/* Fake up the data to look like it's got the -ve pc in it, this makes
|
||
it much easier to convert into other formats. This is done by
|
||
hitting the addend.
|
||
*/
|
||
if (r->relent.howto->pc_relative == true)
|
||
{
|
||
r->relent.addend -= dst_ptr - dst_base_ptr;
|
||
}
|
||
|
||
|
||
|
||
}
|
||
break;
|
||
case RELOCATION_TYPE_COM:
|
||
BFD_FAIL ();
|
||
}
|
||
}
|
||
*dst_ptr++ = *src++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
break;
|
||
case oasys_record_is_local_enum:
|
||
case oasys_record_is_symbol_enum:
|
||
case oasys_record_is_section_enum:
|
||
break;
|
||
default:
|
||
loop = false;
|
||
}
|
||
}
|
||
|
||
return true;
|
||
|
||
}
|
||
|
||
static boolean
|
||
oasys_new_section_hook (abfd, newsect)
|
||
bfd *abfd;
|
||
asection *newsect;
|
||
{
|
||
newsect->used_by_bfd = (PTR)
|
||
bfd_alloc (abfd, sizeof (oasys_per_section_type));
|
||
if (!newsect->used_by_bfd)
|
||
return false;
|
||
oasys_per_section (newsect)->data = (bfd_byte *) NULL;
|
||
oasys_per_section (newsect)->section = newsect;
|
||
oasys_per_section (newsect)->offset = 0;
|
||
oasys_per_section (newsect)->initialized = false;
|
||
newsect->alignment_power = 1;
|
||
/* Turn the section string into an index */
|
||
|
||
sscanf (newsect->name, "%u", &newsect->target_index);
|
||
|
||
return true;
|
||
}
|
||
|
||
|
||
static long
|
||
oasys_get_reloc_upper_bound (abfd, asect)
|
||
bfd *abfd;
|
||
sec_ptr asect;
|
||
{
|
||
if (! oasys_slurp_section_data (abfd))
|
||
return -1;
|
||
return (asect->reloc_count + 1) * sizeof (arelent *);
|
||
}
|
||
|
||
static boolean
|
||
oasys_get_section_contents (abfd, section, location, offset, count)
|
||
bfd *abfd;
|
||
sec_ptr section;
|
||
PTR location;
|
||
file_ptr offset;
|
||
bfd_size_type count;
|
||
{
|
||
oasys_per_section_type *p = (oasys_per_section_type *) section->used_by_bfd;
|
||
oasys_slurp_section_data (abfd);
|
||
if (p->initialized == false)
|
||
{
|
||
(void) memset (location, 0, (int) count);
|
||
}
|
||
else
|
||
{
|
||
(void) memcpy (location, (PTR) (p->data + offset), (int) count);
|
||
}
|
||
return true;
|
||
}
|
||
|
||
|
||
long
|
||
oasys_canonicalize_reloc (ignore_abfd, section, relptr, symbols)
|
||
bfd *ignore_abfd ATTRIBUTE_UNUSED;
|
||
sec_ptr section;
|
||
arelent **relptr;
|
||
asymbol **symbols ATTRIBUTE_UNUSED;
|
||
{
|
||
unsigned int reloc_count = 0;
|
||
oasys_reloc_type *src = (oasys_reloc_type *) (section->relocation);
|
||
while (src != (oasys_reloc_type *) NULL)
|
||
{
|
||
abort ();
|
||
|
||
#if 0
|
||
if (src->relent.section == (asection *) NULL)
|
||
{
|
||
src->relent.sym_ptr_ptr = symbols + src->symbol;
|
||
}
|
||
#endif
|
||
|
||
*relptr++ = &src->relent;
|
||
src = src->next;
|
||
reloc_count++;
|
||
}
|
||
*relptr = (arelent *) NULL;
|
||
return section->reloc_count = reloc_count;
|
||
}
|
||
|
||
|
||
|
||
|
||
/* Writing */
|
||
|
||
|
||
/* Calculate the checksum and write one record */
|
||
static boolean
|
||
oasys_write_record (abfd, type, record, size)
|
||
bfd *abfd;
|
||
oasys_record_enum_type type;
|
||
oasys_record_union_type *record;
|
||
size_t size;
|
||
{
|
||
int checksum;
|
||
size_t i;
|
||
unsigned char *ptr;
|
||
|
||
record->header.length = size;
|
||
record->header.type = (int) type;
|
||
record->header.check_sum = 0;
|
||
record->header.fill = 0;
|
||
ptr = (unsigned char *) &record->pad[0];
|
||
checksum = 0;
|
||
for (i = 0; i < size; i++)
|
||
{
|
||
checksum += *ptr++;
|
||
}
|
||
record->header.check_sum = 0xff & (-checksum);
|
||
if (bfd_write ((PTR) record, 1, size, abfd) != size)
|
||
return false;
|
||
return true;
|
||
}
|
||
|
||
|
||
/* Write out all the symbols */
|
||
static boolean
|
||
oasys_write_syms (abfd)
|
||
bfd *abfd;
|
||
{
|
||
unsigned int count;
|
||
asymbol **generic = bfd_get_outsymbols (abfd);
|
||
unsigned int index = 0;
|
||
for (count = 0; count < bfd_get_symcount (abfd); count++)
|
||
{
|
||
|
||
oasys_symbol_record_type symbol;
|
||
asymbol *CONST g = generic[count];
|
||
|
||
CONST char *src = g->name;
|
||
char *dst = symbol.name;
|
||
unsigned int l = 0;
|
||
|
||
if (bfd_is_com_section (g->section))
|
||
{
|
||
symbol.relb = RELOCATION_TYPE_COM;
|
||
bfd_h_put_16 (abfd, index, symbol.refno);
|
||
index++;
|
||
}
|
||
else if (bfd_is_abs_section (g->section))
|
||
{
|
||
symbol.relb = RELOCATION_TYPE_ABS;
|
||
bfd_h_put_16 (abfd, 0, symbol.refno);
|
||
|
||
}
|
||
else if (bfd_is_und_section (g->section))
|
||
{
|
||
symbol.relb = RELOCATION_TYPE_UND;
|
||
bfd_h_put_16 (abfd, index, symbol.refno);
|
||
/* Overload the value field with the output index number */
|
||
index++;
|
||
}
|
||
else if (g->flags & BSF_DEBUGGING)
|
||
{
|
||
/* throw it away */
|
||
continue;
|
||
}
|
||
else
|
||
{
|
||
if (g->section == (asection *) NULL)
|
||
{
|
||
/* Sometime, the oasys tools give out a symbol with illegal
|
||
bits in it, we'll output it in the same broken way */
|
||
|
||
symbol.relb = RELOCATION_TYPE_REL | 0;
|
||
}
|
||
else
|
||
{
|
||
symbol.relb = RELOCATION_TYPE_REL | g->section->output_section->target_index;
|
||
}
|
||
bfd_h_put_16 (abfd, 0, symbol.refno);
|
||
}
|
||
#ifdef UNDERSCORE_HACK
|
||
if (src[l] == '_')
|
||
dst[l++] = '.';
|
||
#endif
|
||
while (src[l])
|
||
{
|
||
dst[l] = src[l];
|
||
l++;
|
||
}
|
||
|
||
bfd_h_put_32 (abfd, g->value, symbol.value);
|
||
|
||
|
||
if (g->flags & BSF_LOCAL)
|
||
{
|
||
if (! oasys_write_record (abfd,
|
||
oasys_record_is_local_enum,
|
||
(oasys_record_union_type *) & symbol,
|
||
offsetof (oasys_symbol_record_type,
|
||
name[0]) + l))
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
if (! oasys_write_record (abfd,
|
||
oasys_record_is_symbol_enum,
|
||
(oasys_record_union_type *) & symbol,
|
||
offsetof (oasys_symbol_record_type,
|
||
name[0]) + l))
|
||
return false;
|
||
}
|
||
g->value = index - 1;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
|
||
/* Write a section header for each section */
|
||
static boolean
|
||
oasys_write_sections (abfd)
|
||
bfd *abfd;
|
||
{
|
||
asection *s;
|
||
static oasys_section_record_type out;
|
||
|
||
for (s = abfd->sections; s != (asection *) NULL; s = s->next)
|
||
{
|
||
if (!isdigit ((unsigned char) s->name[0]))
|
||
{
|
||
(*_bfd_error_handler)
|
||
(_("%s: can not represent section `%s' in oasys"),
|
||
bfd_get_filename (abfd), s->name);
|
||
bfd_set_error (bfd_error_nonrepresentable_section);
|
||
return false;
|
||
}
|
||
out.relb = RELOCATION_TYPE_REL | s->target_index;
|
||
bfd_h_put_32 (abfd, s->_cooked_size, out.value);
|
||
bfd_h_put_32 (abfd, s->vma, out.vma);
|
||
|
||
if (! oasys_write_record (abfd,
|
||
oasys_record_is_section_enum,
|
||
(oasys_record_union_type *) & out,
|
||
sizeof (out)))
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
static boolean
|
||
oasys_write_header (abfd)
|
||
bfd *abfd;
|
||
{
|
||
/* Create and write the header */
|
||
oasys_header_record_type r;
|
||
size_t length = strlen (abfd->filename);
|
||
if (length > (size_t) sizeof (r.module_name))
|
||
{
|
||
length = sizeof (r.module_name);
|
||
}
|
||
|
||
(void) memcpy (r.module_name,
|
||
abfd->filename,
|
||
length);
|
||
(void) memset (r.module_name + length,
|
||
' ',
|
||
sizeof (r.module_name) - length);
|
||
|
||
r.version_number = OASYS_VERSION_NUMBER;
|
||
r.rev_number = OASYS_REV_NUMBER;
|
||
if (! oasys_write_record (abfd,
|
||
oasys_record_is_header_enum,
|
||
(oasys_record_union_type *) & r,
|
||
offsetof (oasys_header_record_type,
|
||
description[0])))
|
||
return false;
|
||
|
||
return true;
|
||
}
|
||
|
||
static boolean
|
||
oasys_write_end (abfd)
|
||
bfd *abfd;
|
||
{
|
||
oasys_end_record_type end;
|
||
unsigned char null = 0;
|
||
end.relb = RELOCATION_TYPE_ABS;
|
||
bfd_h_put_32 (abfd, abfd->start_address, end.entry);
|
||
bfd_h_put_16 (abfd, 0, end.fill);
|
||
end.zero = 0;
|
||
if (! oasys_write_record (abfd,
|
||
oasys_record_is_end_enum,
|
||
(oasys_record_union_type *) & end,
|
||
sizeof (end)))
|
||
return false;
|
||
if (bfd_write ((PTR) & null, 1, 1, abfd) != 1)
|
||
return false;
|
||
return true;
|
||
}
|
||
|
||
static int
|
||
comp (ap, bp)
|
||
CONST PTR ap;
|
||
CONST PTR bp;
|
||
{
|
||
arelent *a = *((arelent **) ap);
|
||
arelent *b = *((arelent **) bp);
|
||
return a->address - b->address;
|
||
}
|
||
|
||
/*
|
||
Writing data..
|
||
|
||
*/
|
||
static boolean
|
||
oasys_write_data (abfd)
|
||
bfd *abfd;
|
||
{
|
||
asection *s;
|
||
for (s = abfd->sections; s != (asection *) NULL; s = s->next)
|
||
{
|
||
if (s->flags & SEC_LOAD)
|
||
{
|
||
bfd_byte *raw_data = oasys_per_section (s)->data;
|
||
oasys_data_record_type processed_data;
|
||
bfd_size_type current_byte_index = 0;
|
||
unsigned int relocs_to_go = s->reloc_count;
|
||
arelent **p = s->orelocation;
|
||
if (s->reloc_count != 0)
|
||
{
|
||
/* Sort the reloc records so it's easy to insert the relocs into the
|
||
data */
|
||
|
||
qsort (s->orelocation,
|
||
s->reloc_count,
|
||
sizeof (arelent **),
|
||
comp);
|
||
}
|
||
current_byte_index = 0;
|
||
processed_data.relb = s->target_index | RELOCATION_TYPE_REL;
|
||
|
||
while (current_byte_index < s->_cooked_size)
|
||
{
|
||
/* Scan forwards by eight bytes or however much is left and see if
|
||
there are any relocations going on */
|
||
bfd_byte *mod = &processed_data.data[0];
|
||
bfd_byte *dst = &processed_data.data[1];
|
||
|
||
unsigned int i = 0;
|
||
*mod = 0;
|
||
|
||
|
||
bfd_h_put_32 (abfd, s->vma + current_byte_index,
|
||
processed_data.addr);
|
||
|
||
/* Don't start a relocation unless you're sure you can finish it
|
||
within the same data record. The worst case relocation is a
|
||
4-byte relocatable value which is split across two modification
|
||
bytes (1 relocation byte + 2 symbol reference bytes + 2 data +
|
||
1 modification byte + 2 data = 8 bytes total). That's where
|
||
the magic number 8 comes from.
|
||
*/
|
||
while (current_byte_index < s->_raw_size && dst <=
|
||
&processed_data.data[sizeof (processed_data.data) - 8])
|
||
{
|
||
|
||
|
||
if (relocs_to_go != 0)
|
||
{
|
||
arelent *r = *p;
|
||
reloc_howto_type *const how = r->howto;
|
||
/* There is a relocation, is it for this byte ? */
|
||
if (r->address == current_byte_index)
|
||
{
|
||
unsigned char rel_byte;
|
||
|
||
p++;
|
||
relocs_to_go--;
|
||
|
||
*mod |= (1 << i);
|
||
if (how->pc_relative)
|
||
{
|
||
rel_byte = RELOCATION_PCREL_BIT;
|
||
|
||
/* Also patch the raw data so that it doesn't have
|
||
the -ve stuff any more */
|
||
if (how->size != 2)
|
||
{
|
||
bfd_put_16 (abfd,
|
||
bfd_get_16 (abfd, raw_data) +
|
||
current_byte_index, raw_data);
|
||
}
|
||
|
||
else
|
||
{
|
||
bfd_put_32 (abfd,
|
||
bfd_get_32 (abfd, raw_data) +
|
||
current_byte_index, raw_data);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
rel_byte = 0;
|
||
}
|
||
if (how->size == 2)
|
||
{
|
||
rel_byte |= RELOCATION_32BIT_BIT;
|
||
}
|
||
|
||
/* Is this a section relative relocation, or a symbol
|
||
relative relocation ? */
|
||
abort ();
|
||
|
||
#if 0
|
||
if (r->section != (asection *) NULL)
|
||
{
|
||
/* The relent has a section attached, so it must be section
|
||
relative */
|
||
rel_byte |= RELOCATION_TYPE_REL;
|
||
rel_byte |= r->section->output_section->target_index;
|
||
*dst++ = rel_byte;
|
||
}
|
||
else
|
||
#endif
|
||
{
|
||
asymbol *p = *(r->sym_ptr_ptr);
|
||
|
||
/* If this symbol has a section attached, then it
|
||
has already been resolved. Change from a symbol
|
||
ref to a section ref */
|
||
if (p->section != (asection *) NULL)
|
||
{
|
||
rel_byte |= RELOCATION_TYPE_REL;
|
||
rel_byte |=
|
||
p->section->output_section->target_index;
|
||
*dst++ = rel_byte;
|
||
}
|
||
else
|
||
{
|
||
rel_byte |= RELOCATION_TYPE_UND;
|
||
*dst++ = rel_byte;
|
||
/* Next two bytes are a symbol index - we can get
|
||
this from the symbol value which has been zapped
|
||
into the symbol index in the table when the
|
||
symbol table was written
|
||
*/
|
||
*dst++ = p->value >> 8;
|
||
*dst++ = p->value;
|
||
}
|
||
}
|
||
#define ADVANCE { if (++i >= 8) { i = 0; mod = dst++; *mod = 0; } current_byte_index++; }
|
||
/* relocations never occur from an unloadable section,
|
||
so we can assume that raw_data is not NULL
|
||
*/
|
||
*dst++ = *raw_data++;
|
||
ADVANCE
|
||
* dst++ = *raw_data++;
|
||
ADVANCE
|
||
if (how->size == 2)
|
||
{
|
||
*dst++ = *raw_data++;
|
||
ADVANCE
|
||
* dst++ = *raw_data++;
|
||
ADVANCE
|
||
}
|
||
continue;
|
||
}
|
||
}
|
||
/* If this is coming from an unloadable section then copy
|
||
zeros */
|
||
if (raw_data == NULL)
|
||
{
|
||
*dst++ = 0;
|
||
}
|
||
else
|
||
{
|
||
*dst++ = *raw_data++;
|
||
}
|
||
ADVANCE
|
||
}
|
||
|
||
/* Don't write a useless null modification byte */
|
||
if (dst == mod + 1)
|
||
{
|
||
--dst;
|
||
}
|
||
|
||
if (! oasys_write_record (abfd,
|
||
oasys_record_is_data_enum,
|
||
((oasys_record_union_type *)
|
||
& processed_data),
|
||
dst - (bfd_byte *) & processed_data))
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
static boolean
|
||
oasys_write_object_contents (abfd)
|
||
bfd *abfd;
|
||
{
|
||
if (! oasys_write_header (abfd))
|
||
return false;
|
||
if (! oasys_write_syms (abfd))
|
||
return false;
|
||
if (! oasys_write_sections (abfd))
|
||
return false;
|
||
if (! oasys_write_data (abfd))
|
||
return false;
|
||
if (! oasys_write_end (abfd))
|
||
return false;
|
||
return true;
|
||
}
|
||
|
||
|
||
|
||
|
||
/** exec and core file sections */
|
||
|
||
/* set section contents is complicated with OASYS since the format is
|
||
* not a byte image, but a record stream.
|
||
*/
|
||
static boolean
|
||
oasys_set_section_contents (abfd, section, location, offset, count)
|
||
bfd *abfd;
|
||
sec_ptr section;
|
||
PTR location;
|
||
file_ptr offset;
|
||
bfd_size_type count;
|
||
{
|
||
if (count != 0)
|
||
{
|
||
if (oasys_per_section (section)->data == (bfd_byte *) NULL)
|
||
{
|
||
oasys_per_section (section)->data =
|
||
(bfd_byte *) (bfd_alloc (abfd, section->_cooked_size));
|
||
if (!oasys_per_section (section)->data)
|
||
return false;
|
||
}
|
||
(void) memcpy ((PTR) (oasys_per_section (section)->data + offset),
|
||
location,
|
||
(size_t) count);
|
||
}
|
||
return true;
|
||
}
|
||
|
||
|
||
|
||
/* Native-level interface to symbols. */
|
||
|
||
/* We read the symbols into a buffer, which is discarded when this
|
||
function exits. We read the strings into a buffer large enough to
|
||
hold them all plus all the cached symbol entries. */
|
||
|
||
static asymbol *
|
||
oasys_make_empty_symbol (abfd)
|
||
bfd *abfd;
|
||
{
|
||
|
||
oasys_symbol_type *new =
|
||
(oasys_symbol_type *) bfd_zalloc (abfd, sizeof (oasys_symbol_type));
|
||
if (!new)
|
||
return NULL;
|
||
new->symbol.the_bfd = abfd;
|
||
return &new->symbol;
|
||
}
|
||
|
||
|
||
|
||
|
||
/* User should have checked the file flags; perhaps we should return
|
||
BFD_NO_MORE_SYMBOLS if there are none? */
|
||
|
||
static bfd *
|
||
oasys_openr_next_archived_file (arch, prev)
|
||
bfd *arch;
|
||
bfd *prev;
|
||
{
|
||
oasys_ar_data_type *ar = OASYS_AR_DATA (arch);
|
||
oasys_module_info_type *p;
|
||
/* take the next one from the arch state, or reset */
|
||
if (prev == (bfd *) NULL)
|
||
{
|
||
/* Reset the index - the first two entries are bogus*/
|
||
ar->module_index = 0;
|
||
}
|
||
|
||
p = ar->module + ar->module_index;
|
||
ar->module_index++;
|
||
|
||
if (ar->module_index <= ar->module_count)
|
||
{
|
||
if (p->abfd == (bfd *) NULL)
|
||
{
|
||
p->abfd = _bfd_create_empty_archive_element_shell (arch);
|
||
p->abfd->origin = p->pos;
|
||
p->abfd->filename = p->name;
|
||
|
||
/* Fixup a pointer to this element for the member */
|
||
p->abfd->arelt_data = (PTR) p;
|
||
}
|
||
return p->abfd;
|
||
}
|
||
else
|
||
{
|
||
bfd_set_error (bfd_error_no_more_archived_files);
|
||
return (bfd *) NULL;
|
||
}
|
||
}
|
||
|
||
static boolean
|
||
oasys_find_nearest_line (abfd,
|
||
section,
|
||
symbols,
|
||
offset,
|
||
filename_ptr,
|
||
functionname_ptr,
|
||
line_ptr)
|
||
bfd *abfd ATTRIBUTE_UNUSED;
|
||
asection *section ATTRIBUTE_UNUSED;
|
||
asymbol **symbols ATTRIBUTE_UNUSED;
|
||
bfd_vma offset ATTRIBUTE_UNUSED;
|
||
char **filename_ptr ATTRIBUTE_UNUSED;
|
||
char **functionname_ptr ATTRIBUTE_UNUSED;
|
||
unsigned int *line_ptr ATTRIBUTE_UNUSED;
|
||
{
|
||
return false;
|
||
|
||
}
|
||
|
||
static int
|
||
oasys_generic_stat_arch_elt (abfd, buf)
|
||
bfd *abfd;
|
||
struct stat *buf;
|
||
{
|
||
oasys_module_info_type *mod = (oasys_module_info_type *) abfd->arelt_data;
|
||
if (mod == (oasys_module_info_type *) NULL)
|
||
{
|
||
bfd_set_error (bfd_error_invalid_operation);
|
||
return -1;
|
||
}
|
||
else
|
||
{
|
||
buf->st_size = mod->size;
|
||
buf->st_mode = 0666;
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
static int
|
||
oasys_sizeof_headers (abfd, exec)
|
||
bfd *abfd ATTRIBUTE_UNUSED;
|
||
boolean exec ATTRIBUTE_UNUSED;
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
#define oasys_close_and_cleanup _bfd_generic_close_and_cleanup
|
||
#define oasys_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
|
||
|
||
#define oasys_slurp_armap bfd_true
|
||
#define oasys_slurp_extended_name_table bfd_true
|
||
#define oasys_construct_extended_name_table \
|
||
((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
|
||
bfd_true)
|
||
#define oasys_truncate_arname bfd_dont_truncate_arname
|
||
#define oasys_write_armap \
|
||
((boolean (*) \
|
||
PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
|
||
bfd_true)
|
||
#define oasys_read_ar_hdr bfd_nullvoidptr
|
||
#define oasys_get_elt_at_index _bfd_generic_get_elt_at_index
|
||
#define oasys_update_armap_timestamp bfd_true
|
||
|
||
#define oasys_bfd_is_local_label_name bfd_generic_is_local_label_name
|
||
#define oasys_get_lineno _bfd_nosymbols_get_lineno
|
||
#define oasys_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
|
||
#define oasys_read_minisymbols _bfd_generic_read_minisymbols
|
||
#define oasys_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
|
||
|
||
#define oasys_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
|
||
|
||
#define oasys_set_arch_mach bfd_default_set_arch_mach
|
||
|
||
#define oasys_get_section_contents_in_window \
|
||
_bfd_generic_get_section_contents_in_window
|
||
|
||
#define oasys_bfd_get_relocated_section_contents \
|
||
bfd_generic_get_relocated_section_contents
|
||
#define oasys_bfd_relax_section bfd_generic_relax_section
|
||
#define oasys_bfd_gc_sections bfd_generic_gc_sections
|
||
#define oasys_bfd_merge_sections bfd_generic_merge_sections
|
||
#define oasys_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
|
||
#define oasys_bfd_link_add_symbols _bfd_generic_link_add_symbols
|
||
#define oasys_bfd_final_link _bfd_generic_final_link
|
||
#define oasys_bfd_link_split_section _bfd_generic_link_split_section
|
||
|
||
/*SUPPRESS 460 */
|
||
const bfd_target oasys_vec =
|
||
{
|
||
"oasys", /* name */
|
||
bfd_target_oasys_flavour,
|
||
BFD_ENDIAN_BIG, /* target byte order */
|
||
BFD_ENDIAN_BIG, /* target headers byte order */
|
||
(HAS_RELOC | EXEC_P | /* object flags */
|
||
HAS_LINENO | HAS_DEBUG |
|
||
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
|
||
(SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
|
||
| SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
|
||
0, /* leading underscore */
|
||
' ', /* ar_pad_char */
|
||
16, /* ar_max_namelen */
|
||
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
||
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
||
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
|
||
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
||
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
||
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
|
||
|
||
{_bfd_dummy_target,
|
||
oasys_object_p, /* bfd_check_format */
|
||
oasys_archive_p,
|
||
_bfd_dummy_target,
|
||
},
|
||
{ /* bfd_set_format */
|
||
bfd_false,
|
||
oasys_mkobject,
|
||
_bfd_generic_mkarchive,
|
||
bfd_false
|
||
},
|
||
{ /* bfd_write_contents */
|
||
bfd_false,
|
||
oasys_write_object_contents,
|
||
_bfd_write_archive_contents,
|
||
bfd_false,
|
||
},
|
||
|
||
BFD_JUMP_TABLE_GENERIC (oasys),
|
||
BFD_JUMP_TABLE_COPY (_bfd_generic),
|
||
BFD_JUMP_TABLE_CORE (_bfd_nocore),
|
||
BFD_JUMP_TABLE_ARCHIVE (oasys),
|
||
BFD_JUMP_TABLE_SYMBOLS (oasys),
|
||
BFD_JUMP_TABLE_RELOCS (oasys),
|
||
BFD_JUMP_TABLE_WRITE (oasys),
|
||
BFD_JUMP_TABLE_LINK (oasys),
|
||
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
|
||
|
||
NULL,
|
||
|
||
(PTR) 0
|
||
};
|