987 lines
23 KiB
C
987 lines
23 KiB
C
/*
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bfd backend for oasys objects.
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Object files contain records in order:
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optional header
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symbol records
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section records
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data records
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debugging records
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end record
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Written by Steve Chamberlain
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steve@cygnus.com
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*/
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#include <ansidecl.h>
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#include "sysdep.h"
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#include "bfd.h"
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#include "libbfd.h"
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#include "obstack.h"
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#include "oasys.h"
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#include "liboasys.h"
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#define obstack_chunk_alloc malloc
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#define obstack_chunk_free free
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typedef void generic_symbol_type;
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void DEFUN(oasys_read_record,(abfd, record),
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bfd *abfd AND
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oasys_record_union_type *record)
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{
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bfd_read(record, 1, sizeof(record->header), abfd);
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bfd_read(((char *)record )+ sizeof(record->header),
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1, record->header.length - sizeof(record->header),
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abfd);
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}
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static size_t
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oasys_string_length(record)
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oasys_record_union_type *record;
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{
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return record->header.length
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- ((char *)record->symbol.name - (char *)record);
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}
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/*****************************************************************************/
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/*
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Slurp the symbol table by reading in all the records at the start file
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till we get to the first section record.
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We'll sort the symbols into two lists, defined and undefined. The
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undefined symbols will also be sorted by refno. We do this by placing
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all undefined symbols at the front of the table moving in, and the
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defined symbols at the end of the table moving back.
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*/
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static boolean
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oasys_slurp_symbol_table(abfd)
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bfd *abfd;
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{
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oasys_record_union_type record;
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oasys_data_type *data = oasys_data(abfd);
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boolean loop = true;
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asymbol *dest_undefined;
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asymbol *dest_defined;
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asymbol *dest;
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char *string_ptr;
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if (data->symbols != (asymbol *)NULL) {
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return true;
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}
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/* Buy enough memory for all the symbols and all the names */
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data->symbols =
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(asymbol *)malloc(sizeof(asymbol) * abfd->symcount);
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data->strings = malloc(data->symbol_string_length);
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dest_undefined = data->symbols;
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dest_defined = data->symbols + abfd->symcount -1;
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string_ptr = data->strings;
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bfd_seek(abfd, (file_ptr)0, SEEK_SET);
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while (loop) {
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oasys_read_record(abfd, &record);
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switch (record.header.type) {
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case oasys_record_is_header_enum:
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break;
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case oasys_record_is_local_enum:
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case oasys_record_is_symbol_enum:
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{
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size_t length = oasys_string_length(&record);
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switch (record.symbol.relb[0] & RELOCATION_TYPE_BITS) {
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case RELOCATION_TYPE_ABS:
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dest = dest_defined--;
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dest->section = 0;
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dest->flags = BSF_ABSOLUTE | BSF_EXPORT | BSF_GLOBAL;
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dest_defined--;
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break;
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case RELOCATION_TYPE_REL:
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dest = dest_defined--;
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dest->section =
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oasys_data(abfd)->sections[record.symbol.relb[0] &
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RELOCATION_SECT_BITS];
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if (record.header.type == oasys_record_is_local_enum)
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{
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dest->flags = BSF_LOCAL;
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}
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else {
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dest->flags = BSF_EXPORT | BSF_GLOBAL;
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}
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break;
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case RELOCATION_TYPE_UND:
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dest = dest_undefined++;
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dest->section = (asection *)NULL;
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dest->flags = BSF_UNDEFINED;
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break;
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case RELOCATION_TYPE_COM:
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dest = dest_defined--;
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dest->name = string_ptr;
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dest->the_bfd = abfd;
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dest->section = (asection *)NULL;
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dest->flags = BSF_FORT_COMM;
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break;
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}
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dest->name = string_ptr;
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dest->the_bfd = abfd;
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dest->value = bfd_h_getlong(abfd, &record.symbol.value);
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memcpy(string_ptr, record.symbol.name, length);
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string_ptr[length] =0;
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string_ptr += length +1;
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}
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break;
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default:
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loop = false;
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}
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}
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return true;
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}
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size_t
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oasys_get_symtab_upper_bound (abfd)
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bfd *abfd;
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{
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oasys_slurp_symbol_table (abfd);
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return (abfd->symcount != 0) ?
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(abfd->symcount+1) * (sizeof (oasys_symbol_type *)) : 0;
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}
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/*
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*/
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extern bfd_target oasys_vec;
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unsigned int
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oasys_get_symtab (abfd, location)
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bfd *abfd;
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asymbol **location;
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{
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asymbol *symbase ;
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unsigned int counter ;
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if (oasys_slurp_symbol_table(abfd) == false) {
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return 0;
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}
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symbase = oasys_data(abfd)->symbols;
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for (counter = 0; counter < abfd->symcount; counter++) {
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*(location++) = symbase++;
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}
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*location = 0;
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return abfd->symcount;
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}
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/***********************************************************************
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* archive stuff
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*/
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#define swap(x) x = bfd_h_get_x(abfd, &x);
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bfd_target *
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oasys_archive_p(abfd)
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bfd *abfd;
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{
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oasys_archive_header_type header;
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unsigned int i;
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bfd_seek(abfd, (file_ptr) 0, false);
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bfd_read(&header, 1, sizeof(header), abfd);
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swap(header.version);
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swap(header.mod_count);
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swap(header.mod_tbl_offset);
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swap(header.sym_tbl_size);
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swap(header.sym_count);
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swap(header.sym_tbl_offset);
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swap(header.xref_count);
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swap(header.xref_lst_offset);
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/*
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There isn't a magic number in an Oasys archive, so the best we
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can do to verify reasnableness is to make sure that the values in
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the header are too weird
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*/
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if (header.version>10000 ||
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header.mod_count>10000 ||
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header.sym_count>100000 ||
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header.xref_count > 100000) return (bfd_target *)NULL;
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/*
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That all worked, lets buy the space for the header and read in
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the headers.
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*/
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{
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oasys_ar_data_type *ar =
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(oasys_ar_data_type*) malloc(sizeof(oasys_ar_data_type));
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oasys_module_info_type *module =
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(oasys_module_info_type*)
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malloc(sizeof(oasys_module_info_type) * header.mod_count);
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oasys_module_table_type record;
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oasys_ar_data(abfd) =ar;
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ar->module = module;
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ar->module_count = header.mod_count;
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bfd_seek(abfd , header.mod_tbl_offset, SEEK_SET);
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for (i = 0; i < header.mod_count; i++) {
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bfd_read(&record, 1, sizeof(record), abfd);
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swap(record.mod_size);
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swap(record.file_offset);
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swap(record.mod_name_length);
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module[i].name = malloc(record.mod_name_length+1);
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bfd_read(module[i].name, 1, record.mod_name_length +1, abfd);
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/* SKip some stuff */
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bfd_seek(abfd, record.dep_count * sizeof(int32_type),
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SEEK_CUR);
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module[i].size = record.mod_size;
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module[i].pos = record.file_offset;
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}
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}
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return abfd->xvec;
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}
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#define MAX_SECS 16
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bfd_target *
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oasys_object_p (abfd)
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bfd *abfd;
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{
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oasys_data_type *oasys;
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oasys_data_type static_data;
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boolean loop = true;
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boolean had_usefull = false;
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memset((PTR)static_data.sections, 0xff, sizeof(static_data.sections));
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/* Point to the start of the file */
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bfd_seek(abfd, (file_ptr)0, SEEK_SET);
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static_data.symbol_string_length = 0;
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/* Inspect the records, but only keep the section info -
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remember the size of the symbols
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*/
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while (loop) {
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oasys_record_union_type record;
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oasys_read_record(abfd, &record);
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if (record.header.length < sizeof(record.header))
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return (bfd_target *)NULL;
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switch ((oasys_record_enum_type)(record.header.type)) {
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case oasys_record_is_header_enum:
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had_usefull = true;
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break;
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case oasys_record_is_symbol_enum:
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case oasys_record_is_local_enum:
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/* Count symbols and remember their size for a future malloc */
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abfd->symcount++;
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static_data.symbol_string_length += 1 + oasys_string_length(&record);
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had_usefull = true;
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break;
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case oasys_record_is_section_enum:
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{
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asection *s;
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char *buffer;
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unsigned int section_number;
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if (record.section.header.length != sizeof(record.section))
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{
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return (bfd_target *)NULL;
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}
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buffer = malloc(3);
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section_number= record.section.relb & RELOCATION_SECT_BITS;
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sprintf(buffer,"%u", section_number);
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s = bfd_make_section(abfd,buffer);
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static_data.sections[section_number] = s;
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switch (record.section.relb & RELOCATION_TYPE_BITS) {
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case RELOCATION_TYPE_ABS:
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case RELOCATION_TYPE_REL:
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break;
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case RELOCATION_TYPE_UND:
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case RELOCATION_TYPE_COM:
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BFD_FAIL();
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}
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s->size = bfd_h_getlong(abfd, & record.section.value) ;
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s->vma = bfd_h_getlong(abfd, &record.section.vma);
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s->flags |= SEC_LOAD | SEC_HAS_CONTENTS;
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had_usefull = true;
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}
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break;
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case oasys_record_is_data_enum:
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static_data.first_data_record = bfd_tell(abfd) - record.header.length;
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case oasys_record_is_debug_enum:
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case oasys_record_is_module_enum:
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case oasys_record_is_named_section_enum:
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case oasys_record_is_end_enum:
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if (had_usefull == false) return (bfd_target *)NULL;
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loop = false;
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break;
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default:
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return (bfd_target *)NULL;
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}
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}
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oasys_data(abfd) = (oasys_data_type
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*)malloc(sizeof(oasys_data_type));
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oasys = oasys_data(abfd);
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* oasys = static_data;
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oasys->symbols = (asymbol *)NULL;
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/*
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Oasys support several architectures, but I can't see a simple way
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to discover which one is in a particular file - we'll guess
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*/
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abfd->obj_arch = bfd_arch_m68k;
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abfd->obj_machine =0;
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if (abfd->symcount != 0) {
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abfd->flags |= HAS_SYMS;
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}
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return abfd->xvec;
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}
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void
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oasys_print_symbol(ignore_abfd, file, symbol, how)
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bfd *ignore_abfd;
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FILE *file;
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asymbol *symbol;
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bfd_print_symbol_enum_type how;
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{
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switch (how) {
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case bfd_print_symbol_name_enum:
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case bfd_print_symbol_type_enum:
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fprintf(file,"%s", symbol->name);
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break;
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case bfd_print_symbol_all_enum:
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{
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char *section_name = symbol->section == (asection *)NULL ?
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"*abs" : symbol->section->name;
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bfd_print_symbol_vandf((void *)file,symbol);
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fprintf(file," %-5s %s",
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section_name,
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symbol->name);
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}
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break;
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}
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}
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/*
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The howto table is build using the top two bits of a reloc byte to
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index into it. The bits are PCREL,WORD/LONG
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*/
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static reloc_howto_type howto_table[]=
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{
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/* T rs size bsz pcrel bitpos abs ovr sf name partial inplace mask */
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{ 0, 0, 1, 16, false,0, true,true,0,"abs16",true,0x0000ffff},
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{ 0, 0, 2, 32, false,0, true,true,0,"abs32",true,0xffffffff},
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{ 0, 0, 1, 16, true,0, true,true,0,"pcrel16",true,0x0000ffff},
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{ 0, 0, 2, 32, true,0, true,true,0,"pcrel32",true,0xffffffff}
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};
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/* Read in all the section data and relocation stuff too */
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static boolean oasys_slurp_section_data(abfd)
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bfd *abfd;
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{
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oasys_record_union_type record;
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oasys_data_type *data = oasys_data(abfd);
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boolean loop = true;
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oasys_per_section_type *per ;
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asection *s;
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/* Buy enough memory for all the section data and relocations */
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for (s = abfd->sections; s != (asection *)NULL; s= s->next) {
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per = oasys_per_section(s);
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if (per->data != (bfd_byte*)NULL) return true;
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per->data = (bfd_byte *) malloc(s->size);
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obstack_init(&per->reloc_obstack);
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per->reloc_tail_ptr = (oasys_reloc_type **)&(s->relocation);
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}
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bfd_seek(abfd, data->first_data_record, SEEK_SET);
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while (loop) {
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oasys_read_record(abfd, &record);
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switch (record.header.type) {
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case oasys_record_is_header_enum:
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break;
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case oasys_record_is_data_enum:
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{
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uint8e_type *src = record.data.data;
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uint8e_type *end_src = ((uint8e_type *)&record) + record.header.length;
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unsigned int relbit;
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bfd_byte *dst_ptr ;
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bfd_byte *dst_base_ptr ;
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asection *section;
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unsigned int count;
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bfd_vma dst_offset = bfd_h_getlong(abfd, record.data.addr);
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section = data->sections[record.data.relb & RELOCATION_SECT_BITS];
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per = oasys_per_section(section);
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dst_base_ptr = dst_ptr = oasys_per_section(section)->data + dst_offset;
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while (src < end_src) {
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uint8e_type mod_byte = *src++;
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count = 8;
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for (relbit = 1; count-- != 0; relbit <<=1)
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{
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if (relbit & mod_byte)
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{
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uint8e_type reloc = *src;
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/* This item needs to be relocated */
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switch (reloc & RELOCATION_TYPE_BITS) {
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case RELOCATION_TYPE_ABS:
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break;
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case RELOCATION_TYPE_REL:
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{
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/* Relocate the item relative to the section */
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oasys_reloc_type *r =
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(oasys_reloc_type *)
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obstack_alloc(&per->reloc_obstack,
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sizeof(oasys_reloc_type));
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*(per->reloc_tail_ptr) = r;
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per->reloc_tail_ptr = &r->next;
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r->next= (oasys_reloc_type *)NULL;
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/* Reference to undefined symbol */
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src++;
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/* There is no symbol */
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r->symbol = 0;
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/* Work out the howto */
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r->relent.section =
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data->sections[reloc & RELOCATION_SECT_BITS];
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r->relent.addend = 0;
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r->relent.address = dst_ptr - dst_base_ptr;
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r->relent.howto = &howto_table[reloc>>6];
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section->reloc_count++;
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}
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break;
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case RELOCATION_TYPE_UND:
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{
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oasys_reloc_type *r =
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(oasys_reloc_type *)
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obstack_alloc(&per->reloc_obstack,
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sizeof(oasys_reloc_type));
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*(per->reloc_tail_ptr) = r;
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per->reloc_tail_ptr = &r->next;
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r->next= (oasys_reloc_type *)NULL;
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/* Reference to undefined symbol */
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src++;
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/* Get symbol number */
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r->symbol = (src[0]<<8) | src[1];
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/* Work out the howto */
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r->relent.section = (asection *)NULL;
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r->relent.addend = 0;
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r->relent.address = dst_ptr - dst_base_ptr;
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r->relent.howto = &howto_table[reloc>>6];
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section->reloc_count++;
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src+=2;
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}
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break;
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case RELOCATION_TYPE_COM:
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BFD_FAIL();
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}
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}
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*dst_ptr++ = *src++;
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}
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}
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}
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break;
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case oasys_record_is_local_enum:
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case oasys_record_is_symbol_enum:
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case oasys_record_is_section_enum:
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break;
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default:
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loop = false;
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}
|
||
}
|
||
return true;
|
||
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
boolean
|
||
oasys_new_section_hook (abfd, newsect)
|
||
bfd *abfd;
|
||
asection *newsect;
|
||
{
|
||
newsect->used_by_bfd = (oasys_per_section_type *)
|
||
malloc(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;
|
||
return true;
|
||
}
|
||
|
||
|
||
unsigned int
|
||
oasys_get_reloc_upper_bound (abfd, asect)
|
||
bfd *abfd;
|
||
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;
|
||
{
|
||
oasys_per_section_type *p = section->used_by_bfd;
|
||
oasys_slurp_section_data(abfd);
|
||
(void) memcpy(location, p->data + offset, count);
|
||
return true;
|
||
}
|
||
|
||
|
||
unsigned int
|
||
oasys_canonicalize_reloc (abfd, section, relptr, symbols)
|
||
bfd *abfd;
|
||
sec_ptr section;
|
||
arelent **relptr;
|
||
asymbol **symbols;
|
||
{
|
||
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;
|
||
}
|
||
*relptr ++ = &src->relent;
|
||
src = src->next;
|
||
}
|
||
*relptr = (arelent *)NULL;
|
||
return section->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;
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
static void
|
||
init_for_output(abfd)
|
||
bfd *abfd;
|
||
{
|
||
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));
|
||
}
|
||
}
|
||
}
|
||
|
||
/** 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;
|
||
{
|
||
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;
|
||
}
|
||
|
||
|
||
|
||
|
||
/* 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. */
|
||
|
||
asymbol *
|
||
oasys_make_empty_symbol (abfd)
|
||
bfd *abfd;
|
||
{
|
||
|
||
oasys_symbol_type *new =
|
||
(oasys_symbol_type *)zalloc (sizeof (oasys_symbol_type));
|
||
new->symbol.the_bfd = abfd;
|
||
return &new->symbol;
|
||
|
||
}
|
||
|
||
void
|
||
oasys_reclaim_symbol_table (abfd)
|
||
bfd *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
|
||
}
|
||
|
||
|
||
|
||
|
||
/* Obsbolete procedural interface; better to look at the cache directly */
|
||
|
||
/* 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;
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
symindex
|
||
oasys_get_next_symbol (abfd, oidx)
|
||
bfd *abfd;
|
||
symindex oidx;
|
||
{
|
||
#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
|
||
}
|
||
|
||
char *
|
||
oasys_symbol_name (abfd, idx)
|
||
bfd *abfd;
|
||
symindex idx;
|
||
{
|
||
#if 0
|
||
return (obj_aout_symbols (abfd) + idx)->symbol.name;
|
||
#endif
|
||
}
|
||
|
||
long
|
||
oasys_symbol_value (abfd, idx)
|
||
bfd *abfd;
|
||
symindex idx;
|
||
{
|
||
#if 0
|
||
return (obj_aout_symbols (abfd) + idx)->symbol.value;
|
||
#endif
|
||
}
|
||
|
||
symclass
|
||
oasys_classify_symbol (abfd, idx)
|
||
bfd *abfd;
|
||
symindex idx;
|
||
{
|
||
#if 0
|
||
aout_symbol_type *sym = obj_aout_symbols (abfd) + idx;
|
||
|
||
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;
|
||
}
|
||
|
||
boolean
|
||
oasys_symbol_hasclass (abfd, idx, class)
|
||
bfd *abfd;
|
||
symindex idx;
|
||
symclass class;
|
||
{
|
||
#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
|
||
}
|
||
|
||
|
||
void
|
||
oasys_reclaim_reloc (ignore_abfd, section)
|
||
bfd *ignore_abfd;
|
||
sec_ptr section;
|
||
{
|
||
#if 0
|
||
if (section->relocation) {
|
||
free (section->relocation);
|
||
section->relocation = NULL;
|
||
section->reloc_count = 0;
|
||
}
|
||
#endif
|
||
}
|
||
|
||
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 */
|
||
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
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 = (void *)p;
|
||
}
|
||
return p->abfd;
|
||
}
|
||
else {
|
||
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;
|
||
asection *section;
|
||
asymbol **symbols;
|
||
bfd_vma offset;
|
||
char **filename_ptr;
|
||
char **functionname_ptr;
|
||
unsigned int *line_ptr;
|
||
{
|
||
return false;
|
||
|
||
}
|
||
|
||
static int
|
||
oasys_stat_arch_elt(abfd, buf)
|
||
bfd *abfd;
|
||
struct stat *buf;
|
||
{
|
||
oasys_module_info_type *mod = 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;
|
||
}
|
||
|
||
|
||
}
|
||
|
||
|
||
/*SUPPRESS 460 */
|
||
bfd_target oasys_vec =
|
||
{
|
||
"oasys", /* name */
|
||
bfd_target_oasys_flavour_enum,
|
||
true, /* target byte order */
|
||
true, /* target headers byte order */
|
||
(HAS_RELOC | EXEC_P | /* object flags */
|
||
HAS_LINENO | HAS_DEBUG |
|
||
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 */
|
||
' ', /* 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
|
||
},
|
||
{
|
||
bfd_false,
|
||
oasys_mkobject,
|
||
_bfd_generic_mkarchive,
|
||
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 */
|
||
};
|