-/*
-
- bfd backend for oasys objects.
-
-
- Object files contain records in order:
-
- optional header
- symbol records
- section records
- data records
- debugging records
- end record
-
+/* bfd backend for oasys objects.
+ Copyright (C) 1990-1991 Free Software Foundation, Inc.
+ Written by Steve Chamberlain of Cygnus Support <steve@cygnus.com>.
+This file is part of BFD, the Binary File Descriptor library.
- Written by Steve Chamberlain
- steve@cygnus.com
+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., 675 Mass Ave, Cambridge, MA 02139, USA. */
- */
-
-
-#include <ansidecl.h>
-#include "sysdep.h"
+#define UNDERSCORE_HACK 1
#include "bfd.h"
+#include "sysdep.h"
#include "libbfd.h"
-#include "obstack.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
-#define obstack_chunk_alloc malloc
-#define obstack_chunk_free free
-
-typedef void generic_symbol_type;
-
+/* Read in all the section data and relocation stuff too */
+PROTO(static boolean,oasys_slurp_section_data,(bfd *CONST abfd));
-void DEFUN(oasys_read_record,(abfd, record),
- bfd *abfd AND
+static void
+DEFUN(oasys_read_record,(abfd, record),
+ bfd *CONST abfd AND
oasys_record_union_type *record)
{
- bfd_read(record, 1, sizeof(record->header), abfd);
+ bfd_read((PTR)record, 1, sizeof(record->header), abfd);
- bfd_read(((char *)record )+ sizeof(record->header),
+ if ((size_t) record->header.length <= (size_t) sizeof (record->header))
+ return;
+ bfd_read((PTR)(((char *)record )+ sizeof(record->header)),
1, record->header.length - sizeof(record->header),
abfd);
}
static size_t
-oasys_string_length(record)
-oasys_record_union_type *record;
+DEFUN(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 symbols into two lists, defined and undefined. The
-undefined symbols will also be sorted by 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.
+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 *abfd;
+DEFUN(oasys_slurp_symbol_table,(abfd),
+ bfd * CONST abfd)
{
oasys_record_union_type record;
- oasys_data_type *data = oasys_data(abfd);
+ oasys_data_type *data = OASYS_DATA(abfd);
boolean loop = true;
- asymbol *dest_undefined;
asymbol *dest_defined;
asymbol *dest;
char *string_ptr;
}
/* Buy enough memory for all the symbols and all the names */
data->symbols =
- (asymbol *)malloc(sizeof(asymbol) * abfd->symcount);
- data->strings = malloc(data->symbol_string_length);
+ (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
+
- dest_undefined = data->symbols;
dest_defined = data->symbols + abfd->symcount -1;
string_ptr = data->strings;
bfd_seek(abfd, (file_ptr)0, SEEK_SET);
while (loop) {
+
oasys_read_record(abfd, &record);
switch (record.header.type) {
case oasys_record_is_header_enum:
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[0] & RELOCATION_TYPE_BITS) {
+ switch (record.symbol.relb & RELOCATION_TYPE_BITS) {
case RELOCATION_TYPE_ABS:
dest = dest_defined--;
- dest->section = 0;
- dest->flags = BSF_ABSOLUTE | BSF_EXPORT | BSF_GLOBAL;
- dest_defined--;
+ dest->section = &bfd_abs_section;
+ dest->flags = 0;
+
break;
case RELOCATION_TYPE_REL:
dest = dest_defined--;
dest->section =
- oasys_data(abfd)->sections[record.symbol.relb[0] &
+ OASYS_DATA(abfd)->sections[record.symbol.relb &
RELOCATION_SECT_BITS];
- if (record.header.type == oasys_record_is_local_enum)
+ if (record.header.type == (int)oasys_record_is_local_enum)
{
- dest->flags = BSF_LOCAL;
+ 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 = BSF_EXPORT | BSF_GLOBAL;
+ dest->flags = flag;
}
break;
case RELOCATION_TYPE_UND:
- dest = dest_undefined++;
- dest->section = (asection *)NULL;
- dest->flags = BSF_UNDEFINED;
+ dest = data->symbols + bfd_h_get_16(abfd, (bfd_byte *)&record.symbol.refno[0]);
+ dest->section = &bfd_und_section;
break;
case RELOCATION_TYPE_COM:
dest = dest_defined--;
dest->name = string_ptr;
dest->the_bfd = abfd;
- dest->section = (asection *)NULL;
- dest->flags = BSF_FORT_COMM;
+ dest->section = &bfd_com_section;
+
+ break;
+ default:
+ dest = dest_defined--;
+ BFD_ASSERT(0);
break;
}
dest->name = string_ptr;
dest->the_bfd = abfd;
+ dest->udata = (PTR)NULL;
+ dest->value = bfd_h_get_32(abfd, (bfd_byte *)&record.symbol.value[0]);
- dest->value = bfd_h_getlong(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;
}
}
}
return true;
-
}
-size_t
-oasys_get_symtab_upper_bound (abfd)
-bfd *abfd;
+static unsigned int
+DEFUN(oasys_get_symtab_upper_bound,(abfd),
+ bfd *CONST abfd)
{
oasys_slurp_symbol_table (abfd);
- return (abfd->symcount != 0) ?
- (abfd->symcount+1) * (sizeof (oasys_symbol_type *)) : 0;
+ return (abfd->symcount+1) * (sizeof (oasys_symbol_type *));
}
/*
extern bfd_target oasys_vec;
unsigned int
-oasys_get_symtab (abfd, location)
-bfd *abfd;
-asymbol **location;
+DEFUN(oasys_get_symtab,(abfd, location),
+ bfd *abfd AND
+ asymbol **location)
{
asymbol *symbase ;
unsigned int counter ;
if (oasys_slurp_symbol_table(abfd) == false) {
return 0;
}
- symbase = oasys_data(abfd)->symbols;
+ symbase = OASYS_DATA(abfd)->symbols;
for (counter = 0; counter < abfd->symcount; counter++) {
*(location++) = symbase++;
}
/***********************************************************************
* archive stuff
*/
-#define swap(x) x = bfd_h_get_x(abfd, &x);
-bfd_target *
-oasys_archive_p(abfd)
-bfd *abfd;
+
+static bfd_target *
+DEFUN(oasys_archive_p,(abfd),
+ bfd *abfd)
{
oasys_archive_header_type header;
+ oasys_extarchive_header_type header_ext;
unsigned int i;
-
+ file_ptr filepos;
bfd_seek(abfd, (file_ptr) 0, false);
- bfd_read(&header, 1, sizeof(header), abfd);
+ bfd_read((PTR)&header_ext, 1, sizeof(header_ext), abfd);
-
- swap(header.version);
- swap(header.mod_count);
- swap(header.mod_tbl_offset);
- swap(header.sym_tbl_size);
- swap(header.sym_count);
- swap(header.sym_tbl_offset);
- swap(header.xref_count);
- swap(header.xref_lst_offset);
+
+ header.version = bfd_h_get_32(abfd, (bfd_byte *)header_ext.version);
+ header.mod_count = bfd_h_get_32(abfd, (bfd_byte *)header_ext.mod_count);
+ header.mod_tbl_offset = bfd_h_get_32(abfd, (bfd_byte *)header_ext.mod_tbl_offset);
+ header.sym_tbl_size = bfd_h_get_32(abfd, (bfd_byte *)header_ext.sym_tbl_size);
+ header.sym_count = bfd_h_get_32(abfd, (bfd_byte *)header_ext.sym_count);
+ header.sym_tbl_offset = bfd_h_get_32(abfd, (bfd_byte *)header_ext.sym_tbl_offset);
+ header.xref_count = bfd_h_get_32(abfd, (bfd_byte *)header_ext.xref_count);
+ header.xref_lst_offset = bfd_h_get_32(abfd, (bfd_byte *)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
- */
+ 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.xref_count > 100000) return (bfd_target *)NULL;
/*
- That all worked, lets buy the space for the header and read in
- the headers.
- */
- {
- oasys_ar_data_type *ar =
- (oasys_ar_data_type*) malloc(sizeof(oasys_ar_data_type));
+ That all worked, lets 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*)
- malloc(sizeof(oasys_module_info_type) * header.mod_count);
+ 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;
- oasys_ar_data(abfd) =ar;
- ar->module = module;
- ar->module_count = header.mod_count;
+ oasys_module_table_type record;
- bfd_seek(abfd , header.mod_tbl_offset, SEEK_SET);
- for (i = 0; i < header.mod_count; i++) {
- bfd_read(&record, 1, sizeof(record), abfd);
- swap(record.mod_size);
- swap(record.file_offset);
- swap(record.mod_name_length);
- module[i].name = malloc(record.mod_name_length+1);
+ abfd->tdata.oasys_ar_data = ar;
+ ar->module = module;
+ ar->module_count = header.mod_count;
- bfd_read(module[i].name, 1, record.mod_name_length +1, abfd);
- /* SKip some stuff */
- bfd_seek(abfd, record.dep_count * sizeof(int32_type),
- SEEK_CUR);
- module[i].size = record.mod_size;
- module[i].pos = record.file_offset;
- }
+ filepos = header.mod_tbl_offset;
+ for (i = 0; i < header.mod_count; i++) {
+ bfd_seek(abfd, filepos, SEEK_SET);
+
+ /* There are two ways of specifying the archive header */
+
+ if (0) {
+ oasys_extmodule_table_type_a_type record_ext;
+ bfd_read((PTR)&record_ext, 1, sizeof(record_ext), abfd);
+
+ record.mod_size = bfd_h_get_32(abfd, (bfd_byte *)record_ext.mod_size);
+ record.file_offset = bfd_h_get_32(abfd,
+ (bfd_byte *) record_ext.file_offset);
+
+ record.dep_count = bfd_h_get_32(abfd, (bfd_byte *)record_ext.dep_count);
+ record.depee_count = bfd_h_get_32(abfd,(bfd_byte *) record_ext.depee_count);
+ record.sect_count = bfd_h_get_32(abfd, (bfd_byte *) record_ext.sect_count);
+
+
+ module[i].name = bfd_alloc(abfd,33);
+
+ 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;
+ bfd_read((PTR)&record_ext, 1, sizeof(record_ext), abfd);
+
+ record.mod_size = bfd_h_get_32(abfd, (bfd_byte *) record_ext.mod_size);
+ record.file_offset = bfd_h_get_32(abfd,
+ (bfd_byte *)record_ext.file_offset);
+
+ record.dep_count = bfd_h_get_32(abfd, (bfd_byte *) record_ext.dep_count);
+ record.depee_count = bfd_h_get_32(abfd, (bfd_byte *) record_ext.depee_count);
+ record.sect_count = bfd_h_get_32(abfd, (bfd_byte *) record_ext.sect_count);
+ record.module_name_size = bfd_h_get_32(abfd, (bfd_byte *) record_ext.mod_name_length);
+
+ module[i].name = bfd_alloc(abfd,record.module_name_size + 1);
+ bfd_read((PTR)module[i].name, 1, record.module_name_size, abfd);
+ 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
+DEFUN(oasys_mkobject,(abfd),
+ bfd *abfd)
+{
+
+ abfd->tdata.oasys_obj_data = (oasys_data_type*)bfd_alloc(abfd, sizeof(oasys_data_type));
+ return true;
+}
+
#define MAX_SECS 16
-bfd_target *
-oasys_object_p (abfd)
-bfd *abfd;
+static bfd_target *
+DEFUN(oasys_object_p,(abfd),
+ bfd *abfd)
{
oasys_data_type *oasys;
- oasys_data_type static_data;
-
+ oasys_data_type *save = OASYS_DATA(abfd);
boolean loop = true;
-
-
boolean had_usefull = false;
- memset((PTR)static_data.sections, 0xff, sizeof(static_data.sections));
+ 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 */
bfd_seek(abfd, (file_ptr)0, SEEK_SET);
- static_data.symbol_string_length = 0;
+ 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;
oasys_read_record(abfd, &record);
- if (record.header.length < sizeof(record.header))
- return (bfd_target *)NULL;
+ 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:
case oasys_record_is_local_enum:
/* Count symbols and remember their size for a future malloc */
abfd->symcount++;
- static_data.symbol_string_length += 1 + oasys_string_length(&record);
+ 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))
- {
- return (bfd_target *)NULL;
+ {
+ asection *s;
+ char *buffer;
+ unsigned int section_number;
+ if (record.section.header.length != sizeof(record.section))
+ {
+ goto fail;
+ }
+ buffer = bfd_alloc(abfd, 3);
+ 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();
}
- buffer = malloc(3);
- section_number= record.section.relb & RELOCATION_SECT_BITS;
- sprintf(buffer,"%u", section_number);
- s = bfd_make_section(abfd,buffer);
- static_data.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->size = bfd_h_getlong(abfd, & record.section.value) ;
- s->vma = bfd_h_getlong(abfd, &record.section.vma);
- s->flags |= SEC_LOAD | SEC_HAS_CONTENTS;
- had_usefull = true;
- }
+ s->_raw_size = bfd_h_get_32(abfd, (bfd_byte *) & record.section.value[0]) ;
+ s->vma = bfd_h_get_32(abfd, (bfd_byte *)&record.section.vma[0]);
+ s->flags= 0;
+ had_usefull = true;
+ }
break;
case oasys_record_is_data_enum:
- static_data.first_data_record = bfd_tell(abfd) - record.header.length;
+ 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) return (bfd_target *)NULL;
+ if (had_usefull == false) goto fail;
loop = false;
break;
default:
- return (bfd_target *)NULL;
+ goto fail;
}
}
- oasys_data(abfd) = (oasys_data_type
- *)malloc(sizeof(oasys_data_type));
- oasys = oasys_data(abfd);
- * oasys = static_data;
-
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
- */
- abfd->obj_arch = bfd_arch_m68k;
- abfd->obj_machine =0;
+ 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 (bfd_target *)NULL;
}
-void
-oasys_print_symbol(ignore_abfd, file, symbol, how)
-bfd *ignore_abfd;
-FILE *file;
-asymbol *symbol;
-bfd_print_symbol_enum_type how;
+static void
+DEFUN(oasys_print_symbol,(ignore_abfd, afile, symbol, how),
+ bfd *ignore_abfd AND
+ PTR afile AND
+ asymbol *symbol AND
+ bfd_print_symbol_type how)
{
+ FILE *file = (FILE *)afile;
+
switch (how) {
- case bfd_print_symbol_name_enum:
- case bfd_print_symbol_type_enum:
+ case bfd_print_symbol_name:
+ case bfd_print_symbol_more:
fprintf(file,"%s", symbol->name);
break;
- case bfd_print_symbol_all_enum:
+ case bfd_print_symbol_all:
+ case bfd_print_symbol_nm:
{
- char *section_name = symbol->section == (asection *)NULL ?
- "*abs" : symbol->section->name;
+ CONST char *section_name = symbol->section == (asection *)NULL ?
+ (CONST char *) "*abs" : symbol->section->name;
- bfd_print_symbol_vandf((void *)file,symbol);
+ bfd_print_symbol_vandf((PTR)file,symbol);
fprintf(file," %-5s %s",
section_name,
*/
static reloc_howto_type howto_table[]=
{
-/* T rs size bsz pcrel bitpos abs ovr sf name partial inplace mask */
-{ 0, 0, 1, 16, false,0, true,true,0,"abs16",true,0x0000ffff},
-{ 0, 0, 2, 32, false,0, true,true,0,"abs32",true,0xffffffff},
-{ 0, 0, 1, 16, true,0, true,true,0,"pcrel16",true,0x0000ffff},
-{ 0, 0, 2, 32, true,0, true,true,0,"pcrel32",true,0xffffffff}
+HOWTO( 0, 0, 1, 16, false,0, true,true,0,"abs16",true,0x0000ffff, 0x0000ffff,false),
+HOWTO( 0, 0, 2, 32, false,0, true,true,0,"abs32",true,0xffffffff, 0xffffffff,false),
+HOWTO( 0, 0, 1, 16, true,0, true,true,0,"pcrel16",true,0x0000ffff, 0x0000ffff,false),
+HOWTO( 0, 0, 2, 32, true,0, true,true,0,"pcrel32",true,0xffffffff, 0xffffffff,false)
};
/* Read in all the section data and relocation stuff too */
-static boolean oasys_slurp_section_data(abfd)
-bfd *abfd;
+static boolean
+DEFUN(oasys_slurp_section_data,(abfd),
+ bfd *CONST abfd)
{
oasys_record_union_type record;
- oasys_data_type *data = oasys_data(abfd);
+ oasys_data_type *data = OASYS_DATA(abfd);
boolean loop = true;
oasys_per_section_type *per ;
asection *s;
- /* Buy enough memory for all the section data and relocations */
+ /* 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->data != (bfd_byte*)NULL) return true;
- per->data = (bfd_byte *) malloc(s->size);
- obstack_init(&per->reloc_obstack);
- per->reloc_tail_ptr = (oasys_reloc_type **)&(s->relocation);
+ if (per->initialized == true)
+ return true;
}
+ if (data->first_data_record == 0) return true;
+
bfd_seek(abfd, data->first_data_record, SEEK_SET);
while (loop) {
oasys_read_record(abfd, &record);
- switch (record.header.type) {
- case oasys_record_is_header_enum:
- break;
- case oasys_record_is_data_enum:
- {
-
- uint8e_type *src = record.data.data;
- uint8e_type *end_src = ((uint8e_type *)&record) + record.header.length;
- unsigned int relbit;
- bfd_byte *dst_ptr ;
- bfd_byte *dst_base_ptr ;
- asection *section;
- unsigned int count;
-
- bfd_vma dst_offset = bfd_h_getlong(abfd, record.data.addr);
- section = data->sections[record.data.relb & RELOCATION_SECT_BITS];
- per = oasys_per_section(section);
-dst_base_ptr = dst_ptr = oasys_per_section(section)->data + dst_offset;
-
- while (src < end_src) {
- uint8e_type mod_byte = *src++;
- count = 8;
-
- for (relbit = 1; count-- != 0; relbit <<=1)
+ switch (record.header.type)
+ {
+ case oasys_record_is_header_enum:
+ break;
+ case oasys_record_is_data_enum:
{
- if (relbit & mod_byte)
- {
- uint8e_type 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 *)
- obstack_alloc(&per->reloc_obstack,
- sizeof(oasys_reloc_type));
- *(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 */
- r->relent.section =
- data->sections[reloc & RELOCATION_SECT_BITS];
- r->relent.addend = 0;
- r->relent.address = dst_ptr - dst_base_ptr;
- r->relent.howto = &howto_table[reloc>>6];
- section->reloc_count++;
- }
- break;
-
-
- case RELOCATION_TYPE_UND:
- {
- oasys_reloc_type *r =
- (oasys_reloc_type *)
- obstack_alloc(&per->reloc_obstack,
- sizeof(oasys_reloc_type));
- *(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 */
- r->relent.section = (asection *)NULL;
- r->relent.addend = 0;
- r->relent.address = dst_ptr - dst_base_ptr;
- r->relent.howto = &howto_table[reloc>>6];
-
- section->reloc_count++;
- src+=2;
- }
- break;
- case RELOCATION_TYPE_COM:
- BFD_FAIL();
+ uint8e_type *src = record.data.data;
+ uint8e_type *end_src = ((uint8e_type *)&record) +
+ record.header.length;
+ unsigned int relbit;
+ bfd_byte *dst_ptr ;
+ bfd_byte *dst_base_ptr ;
+ 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);
+ 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) {
+ uint8e_type mod_byte = *src++;
+ uint32_type 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;
}
- *dst_ptr++ = *src++;
+ else {
+ for (relbit = 1; count-- != 0 && src < end_src; relbit <<=1)
+ {
+ if (relbit & mod_byte)
+ {
+ uint8e_type 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));
+ *(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));
+ *(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;
- }
+ 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;
}
+bfd_error_vector_type bfd_error_vector;
-
-boolean
-oasys_new_section_hook (abfd, newsect)
-bfd *abfd;
-asection *newsect;
+static boolean
+DEFUN(oasys_new_section_hook,(abfd, newsect),
+ bfd *abfd AND
+ asection *newsect)
{
- newsect->used_by_bfd = (oasys_per_section_type *)
- malloc(sizeof(oasys_per_section_type));
+ newsect->used_by_bfd = (PTR)
+ bfd_alloc(abfd, sizeof(oasys_per_section_type));
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;
}
-unsigned int
-oasys_get_reloc_upper_bound (abfd, asect)
-bfd *abfd;
-sec_ptr asect;
+static unsigned int
+DEFUN(oasys_get_reloc_upper_bound, (abfd, asect),
+ bfd *abfd AND
+ sec_ptr asect)
{
oasys_slurp_section_data(abfd);
return (asect->reloc_count+1) * sizeof(arelent *);
}
static boolean
-oasys_get_section_contents (abfd, section, location, offset, count)
-bfd *abfd;
-sec_ptr section;
-void *location;
-file_ptr offset;
-unsigned int count;
+DEFUN(oasys_get_section_contents,(abfd, section, location, offset, count),
+ bfd *abfd AND
+ sec_ptr section AND
+ PTR location AND
+ file_ptr offset AND
+ bfd_size_type count)
{
- oasys_per_section_type *p = section->used_by_bfd;
+ oasys_per_section_type *p = (oasys_per_section_type *) section->used_by_bfd;
oasys_slurp_section_data(abfd);
- (void) memcpy(location, p->data + offset, count);
+ if (p->initialized == false)
+ {
+ (void) memset(location, 0, (int)count);
+ }
+ else
+ {
+ (void) memcpy(location,(PTR)( p->data + offset), (int)count);
+ }
return true;
}
unsigned int
-oasys_canonicalize_reloc (abfd, section, relptr, symbols)
-bfd *abfd;
-sec_ptr section;
-arelent **relptr;
-asymbol **symbols;
+DEFUN(oasys_canonicalize_reloc,(ignore_abfd, section, relptr, symbols),
+ bfd *ignore_abfd AND
+ sec_ptr section AND
+ arelent **relptr AND
+ asymbol **symbols)
{
+ unsigned int reloc_count = 0;
oasys_reloc_type *src = (oasys_reloc_type *)(section->relocation);
while (src != (oasys_reloc_type *)NULL) {
- if (src->relent.section == (asection *)NULL) {
- src->relent.sym_ptr_ptr = symbols + src->symbol;
- }
+ 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;
+ return section->reloc_count = reloc_count;
}
-boolean
-oasys_set_arch_mach (abfd, arch, machine)
-bfd *abfd;
-enum bfd_architecture arch;
-unsigned long machine;
-{
- abfd->obj_arch = arch;
- abfd->obj_machine = machine;
- return true;
-}
-
-boolean
-oasys_mkobject(abfd)
-bfd *abfd;
-{
- oasys_data_type *oasys =
- (oasys_data_type *) malloc(sizeof(oasys_data_type));
- oasys_data(abfd) = oasys;
- if (oasys == (oasys_data_type *)NULL) {
- bfd_error = no_memory;
- return false;
- }
-
- return true;
-}
-
-
+/* Writing */
-static void
-init_for_output(abfd)
-bfd *abfd;
+/* Calculate the checksum and write one record */
+static void
+DEFUN(oasys_write_record,(abfd, type, record, size),
+ bfd *CONST abfd AND
+ CONST oasys_record_enum_type type AND
+ oasys_record_union_type *record AND
+ CONST size_t size)
{
- asection *s;
- for (s = abfd->sections; s != (asection *)NULL; s = s->next) {
- if (s->size != 0) {
- oasys_per_section(s)->data = (bfd_byte *)(malloc(s->size));
- }
+ int checksum;
+ size_t i;
+ uint8e_type *ptr;
+ record->header.length = size;
+ record->header.type = (int)type;
+ record->header.check_sum = 0;
+ record->header.fill = 0;
+ ptr = &record->pad[0];
+ checksum = 0;
+ for (i = 0; i < size; i++) {
+ checksum += *ptr++;
}
+ record->header.check_sum = 0xff & (- checksum);
+ bfd_write((PTR)record, 1, size, abfd);
}
-/** exec and core file sections */
-/* set section contents is complicated with OASYS since the format is
-* not a byte image, but a record stream.
-*/
-boolean
-oasys_set_section_contents (abfd, section, location, offset, count)
-bfd *abfd;
-sec_ptr section;
-unsigned char *location;
-file_ptr offset;
-int count;
+/* Write out all the symbols */
+static void
+DEFUN(oasys_write_syms, (abfd),
+ bfd * CONST abfd)
{
- if (oasys_per_section(section)->data == (bfd_byte *)NULL) {
- init_for_output(abfd);
- }
- (void) memcpy(oasys_per_section(section)->data + offset, location, count);
- return true;
-}
+ 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 (g->section == & bfd_com_section) {
+ symbol.relb = RELOCATION_TYPE_COM;
+ bfd_h_put_16(abfd, index, (uint8e_type *)(&symbol.refno[0]));
+ index++;
+ }
+ else if (g->section == & bfd_abs_section) {
+ symbol.relb = RELOCATION_TYPE_ABS;
+ bfd_h_put_16(abfd, 0, (uint8e_type *)(&symbol.refno[0]));
+ }
+ else if (g->section == &bfd_und_section) {
+ symbol.relb = RELOCATION_TYPE_UND ;
+ bfd_h_put_16(abfd, index, (uint8e_type *)(&symbol.refno[0]));
+ /* 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, (uint8e_type *)(&symbol.refno[0]));
+ }
+#ifdef UNDERSCORE_HACK
+ if (src[l] == '_')
+ dst[l++] = '.';
+#endif
+ while (src[l]) {
+ dst[l] = src[l];
+ l++;
+ }
+ bfd_h_put_32(abfd, g->value, (bfd_byte*) symbol.value);
-\f
-/* Native-level interface to symbols. */
+
+ if (g->flags & BSF_LOCAL) {
+ oasys_write_record(abfd,
+ oasys_record_is_local_enum,
+ (oasys_record_union_type *) &symbol,
+ offsetof(oasys_symbol_record_type, name[0]) + l);
+ }
+ else {
+ oasys_write_record(abfd,
+ oasys_record_is_symbol_enum,
+ (oasys_record_union_type *) &symbol,
+ offsetof(oasys_symbol_record_type, name[0]) + l);
+ }
+ g->value = index-1;
+ }
+}
-/* 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. */
-asymbol *
-oasys_make_empty_symbol (abfd)
-bfd *abfd;
+ /* Write a section header for each section */
+static void
+DEFUN(oasys_write_sections, (abfd),
+ bfd *CONST abfd)
{
+ asection *s;
+ static oasys_section_record_type out = {0};
- oasys_symbol_type *new =
- (oasys_symbol_type *)zalloc (sizeof (oasys_symbol_type));
- new->symbol.the_bfd = abfd;
- return &new->symbol;
-
+ for (s = abfd->sections; s != (asection *)NULL; s = s->next) {
+ if (!isdigit(s->name[0]))
+ {
+ bfd_error_vector.nonrepresentable_section(abfd,
+ s->name);
+ }
+ out.relb = RELOCATION_TYPE_REL | s->target_index;
+ bfd_h_put_32(abfd, s->_cooked_size, (bfd_byte *) out.value);
+ bfd_h_put_32(abfd, s->vma, (bfd_byte *) out.vma);
+
+ oasys_write_record(abfd,
+ oasys_record_is_section_enum,
+ (oasys_record_union_type *) &out,
+ sizeof(out));
+ }
}
-void
-oasys_reclaim_symbol_table (abfd)
-bfd *abfd;
+static void
+DEFUN(oasys_write_header, (abfd),
+ bfd *CONST abfd)
{
-#if 0
- asection *section;
-
- if (!bfd_get_symcount (abfd)) return;
-
- for (section = abfd->sections; section != NULL; section = section->next)
- if (section->relocation) {
- free ((void *)section->relocation);
- section->relocation = NULL;
- section->reloc_count = 0;
- }
-
- bfd_get_symcount (abfd) = 0;
- free ((void *)obj_aout_symbols (abfd));
- obj_aout_symbols (abfd) = (aout_symbol_type *)NULL;
-#endif
-}
-\f
+ /* 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);
-\f
-/* Obsbolete procedural interface; better to look at the cache directly */
+ r.version_number = OASYS_VERSION_NUMBER;
+ r.rev_number = OASYS_REV_NUMBER;
+ oasys_write_record(abfd,
+ oasys_record_is_header_enum,
+ (oasys_record_union_type *)&r,
+ offsetof(oasys_header_record_type, description[0]));
-/* User should have checked the file flags; perhaps we should return
-BFD_NO_MORE_SYMBOLS if there are none? */
-int
-oasys_get_symcount_upper_bound (abfd)
-bfd *abfd;
-{
-#if 0
- /* In case we're doing an output file or something...? */
- if (bfd_get_symcount (abfd)) return bfd_get_symcount (abfd);
- return (exec_hdr (abfd)->a_syms) / (sizeof (struct nlist));
-#endif
}
-symindex
-oasys_get_first_symbol (ignore_abfd)
-bfd * ignore_abfd;
+static void
+DEFUN(oasys_write_end,(abfd),
+ bfd *CONST abfd)
{
- return 0;
+ oasys_end_record_type end;
+ uint8e_type null = 0;
+ end.relb = RELOCATION_TYPE_ABS;
+ bfd_h_put_32(abfd, abfd->start_address, (bfd_byte *)end.entry);
+ bfd_h_put_16(abfd, 0, (bfd_byte *)end.fill);
+ end.zero =0;
+ oasys_write_record(abfd,
+ oasys_record_is_end_enum,
+ (oasys_record_union_type *)&end,
+ sizeof(end));
+ bfd_write((PTR)&null, 1, 1, abfd);
}
-symindex
-oasys_get_next_symbol (abfd, oidx)
-bfd *abfd;
-symindex oidx;
+static int
+DEFUN(comp,(ap, bp),
+ CONST PTR ap AND
+ CONST PTR bp)
{
-#if 0
- if (oidx == BFD_NO_MORE_SYMBOLS) return BFD_NO_MORE_SYMBOLS;
- return ++oidx >= bfd_get_symcount (abfd) ? BFD_NO_MORE_SYMBOLS :
- oidx;
-#endif
+ arelent *a = *((arelent **)ap);
+ arelent *b = *((arelent **)bp);
+ return a->address - b->address;
}
-char *
-oasys_symbol_name (abfd, idx)
-bfd *abfd;
-symindex idx;
+/*
+ Writing data..
+
+*/
+static void
+DEFUN(oasys_write_data, (abfd),
+ bfd *CONST abfd)
{
-#if 0
- return (obj_aout_symbols (abfd) + idx)->symbol.name;
-#endif
-}
+ asection *s;
+ for (s = abfd->sections; s != (asection *)NULL; s = s->next) {
+ if (s->flags & SEC_LOAD) {
+ uint8e_type *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;
-long
-oasys_symbol_value (abfd, idx)
-bfd *abfd;
-symindex idx;
-{
+ 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 */
+ uint8e_type *mod = &processed_data.data[0];
+ uint8e_type *dst = &processed_data.data[1];
+
+ unsigned int i;
+ *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 <=
+ (uint8e_type*)&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) {
+ uint8e_type rel_byte;
+ p++;
+ relocs_to_go--;
+
+ *mod |= (1<<i);
+ if(how->pc_relative) {
+ rel_byte = 0x80;
+
+ /* 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 |= 0x40;
+ }
+
+ /* Is this a section relative relocation, or a symbol
+ relative relocation ? */
+ abort();
+
#if 0
- return (obj_aout_symbols (abfd) + idx)->symbol.value;
+ 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 == (uint8e_type *)NULL) {
+ *dst++ = 0;
+ }
+ else {
+ *dst++ = *raw_data++;
+ }
+ ADVANCE
+ }
-symclass
-oasys_classify_symbol (abfd, idx)
-bfd *abfd;
-symindex idx;
-{
-#if 0
- aout_symbol_type *sym = obj_aout_symbols (abfd) + idx;
+ /* Don't write a useless null modification byte */
+ if (dst == mod+1) {
+ --dst;
+ }
- if ((sym->symbol.flags & BSF_FORT_COMM) != 0) return bfd_symclass_fcommon;
- if ((sym->symbol.flags & BSF_GLOBAL) != 0) return bfd_symclass_global;
- if ((sym->symbol.flags & BSF_DEBUGGING) != 0) return bfd_symclass_debugger;
- if ((sym->symbol.flags & BSF_UNDEFINED) != 0) return bfd_symclass_undefined;
-#endif
- return bfd_symclass_unknown;
+ oasys_write_record(abfd,
+ oasys_record_is_data_enum,
+ (oasys_record_union_type *)&processed_data,
+ dst - (uint8e_type*)&processed_data);
+
+ }
+ }
+ }
}
-
-boolean
-oasys_symbol_hasclass (abfd, idx, class)
-bfd *abfd;
-symindex idx;
-symclass class;
+static boolean
+DEFUN(oasys_write_object_contents, (abfd),
+ bfd * CONST abfd)
{
-#if 0
- aout_symbol_type *sym = obj_aout_symbols (abfd) + idx;
- switch (class) {
- case bfd_symclass_fcommon:
- return (sym->symbol.flags & BSF_FORT_COMM) ? true :false;
- case bfd_symclass_global:
- return (sym->symbol.flags & BSF_GLOBAL) ? true:false;
- case bfd_symclass_debugger:
- return (sym->symbol.flags & BSF_DEBUGGING) ? true:false;;
- case bfd_symclass_undefined:
- return (sym->symbol.flags & BSF_UNDEFINED) ? true:false;;
- default: return false;
- }
-#endif
+ oasys_write_header(abfd);
+ oasys_write_syms(abfd);
+ oasys_write_sections(abfd);
+ oasys_write_data(abfd);
+ oasys_write_end(abfd);
+ return true;
}
-void
-oasys_reclaim_reloc (ignore_abfd, section)
-bfd *ignore_abfd;
-sec_ptr section;
+
+
+/** 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
+DEFUN(oasys_set_section_contents,(abfd, section, location, offset, count),
+ bfd *abfd AND
+ sec_ptr section AND
+ PTR location AND
+ file_ptr offset AND
+ bfd_size_type count)
{
-#if 0
- if (section->relocation) {
- free (section->relocation);
- section->relocation = NULL;
- section->reloc_count = 0;
+ 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));
+ }
+ (void) memcpy((PTR)(oasys_per_section(section)->data + offset),
+ location,
+ count);
}
-#endif
+ return true;
}
-boolean
-oasys_close_and_cleanup (abfd)
-bfd *abfd;
-{
- if (bfd_read_p (abfd) == false)
- switch (abfd->format) {
- case bfd_archive:
- if (!_bfd_write_archive_contents (abfd)) {
- return false;
- }
- break;
- case bfd_object:
-/* if (!oasys_write_object_contents (abfd)) */{
- return false;
- }
- break;
- default:
- bfd_error = invalid_operation;
- return false;
- }
- if (oasys_data(abfd) != (oasys_data_type *)NULL) {
- /* FIXME MORE LEAKS */
+/* 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 *
+DEFUN(oasys_make_empty_symbol,(abfd),
+ bfd *abfd)
+{
+
+ oasys_symbol_type *new =
+ (oasys_symbol_type *)bfd_zalloc (abfd, sizeof (oasys_symbol_type));
+ new->symbol.the_bfd = abfd;
+ return &new->symbol;
- return true;
}
+
+\f
+
+/* 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_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) {
p->abfd->filename = p->name;
/* Fixup a pointer to this element for the member */
- p->abfd->arelt_data = (void *)p;
+ p->abfd->arelt_data = (PTR)p;
}
return p->abfd;
}
}
static int
-oasys_stat_arch_elt(abfd, buf)
-bfd *abfd;
-struct stat *buf;
+DEFUN(oasys_generic_stat_arch_elt,(abfd, buf),
+ bfd *abfd AND
+ struct stat *buf)
{
- oasys_module_info_type *mod = abfd->arelt_data;
+ oasys_module_info_type *mod = (oasys_module_info_type *) abfd->arelt_data;
if (mod == (oasys_module_info_type *)NULL) {
bfd_error = invalid_operation;
return -1;
else {
buf->st_size = mod->size;
buf->st_mode = 0666;
- return 0;
+ return 0;
}
-
-
}
-
+static int
+DEFUN(oasys_sizeof_headers,(abfd, exec),
+ bfd *abfd AND
+ boolean exec)
+{
+return 0;
+}
+#define FOO PROTO
+#define oasys_core_file_failing_command (char *(*)())(bfd_nullvoidptr)
+#define oasys_core_file_failing_signal (int (*)())bfd_0
+#define oasys_core_file_matches_executable_p 0
+#define oasys_slurp_armap bfd_true
+#define oasys_slurp_extended_name_table bfd_true
+#define oasys_truncate_arname (void (*)())bfd_nullvoidptr
+#define oasys_write_armap 0
+#define oasys_get_lineno (struct lineno_cache_entry *(*)())bfd_nullvoidptr
+#define oasys_close_and_cleanup bfd_generic_close_and_cleanup
+#define oasys_set_arch_mach bfd_default_set_arch_mach
+#define oasys_bfd_debug_info_start bfd_void
+#define oasys_bfd_debug_info_end bfd_void
+#define oasys_bfd_debug_info_accumulate (FOO(void, (*), (bfd *, asection *)))bfd_void
+#define oasys_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
+#define oasys_bfd_relax_section bfd_generic_relax_section
/*SUPPRESS 460 */
bfd_target oasys_vec =
{
"oasys", /* name */
- bfd_target_oasys_flavour_enum,
+ bfd_target_oasys_flavour,
true, /* target byte order */
true, /* target headers byte order */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
(SEC_CODE|SEC_DATA|SEC_ROM|SEC_HAS_CONTENTS
|SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
- 0, /* valid reloc types */
+ 0, /* leading underscore */
' ', /* ar_pad_char */
16, /* ar_max_namelen */
- oasys_close_and_cleanup, /* _close_and_cleanup */
- oasys_set_section_contents, /* bfd_set_section_contents */
- oasys_get_section_contents,
- oasys_new_section_hook, /* new_section_hook */
- 0, /* _core_file_failing_command */
- 0, /* _core_file_failing_signal */
- 0, /* _core_file_matches_ex...p */
-
- 0, /* bfd_slurp_bsd_armap, bfd_slurp_armap */
- bfd_true, /* bfd_slurp_extended_name_table */
- bfd_bsd_truncate_arname, /* bfd_truncate_arname */
-
- oasys_get_symtab_upper_bound, /* get_symtab_upper_bound */
- oasys_get_symtab, /* canonicalize_symtab */
- 0, /* oasys_reclaim_symbol_table, bfd_reclaim_symbol_table */
- oasys_get_reloc_upper_bound, /* get_reloc_upper_bound */
- oasys_canonicalize_reloc, /* bfd_canonicalize_reloc */
- 0, /* oasys_reclaim_reloc, bfd_reclaim_reloc */
- 0, /* oasys_get_symcount_upper_bound, bfd_get_symcount_upper_bound */
- 0, /* oasys_get_first_symbol, bfd_get_first_symbol */
- 0, /* oasys_get_next_symbol, bfd_get_next_symbol */
- 0, /* oasys_classify_symbol, bfd_classify_symbol */
- 0, /* oasys_symbol_hasclass, bfd_symbol_hasclass */
- 0, /* oasys_symbol_name, bfd_symbol_name */
- 0, /* oasys_symbol_value, bfd_symbol_value */
-
- _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* data */
- _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* hdrs */
-
- {_bfd_dummy_target,
- oasys_object_p, /* bfd_check_format */
- oasys_archive_p,
- bfd_false
+ 1, /* minimum alignment */
+ _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */
+ _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
+
+ {_bfd_dummy_target,
+ oasys_object_p, /* bfd_check_format */
+ oasys_archive_p,
+ _bfd_dummy_target,
},
- {
- bfd_false,
- oasys_mkobject,
- _bfd_generic_mkarchive,
- bfd_false
+ { /* 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,
},
- oasys_make_empty_symbol,
- oasys_print_symbol,
- bfd_false, /* oasys_get_lineno,*/
- oasys_set_arch_mach, /* bfd_set_arch_mach,*/
- bfd_false,
- oasys_openr_next_archived_file,
- oasys_find_nearest_line, /* bfd_find_nearest_line */
- oasys_stat_arch_elt, /* bfd_stat_arch_elt */
+ JUMP_TABLE(oasys)
};
projects / deliverable / binutils-gdb.git / blobdiff