Initial revision

bfd/oasys.c

@@ -0,0 +1,985 @@
+/*
+   
+ bfd backend for oasys objects.
+
+
+ Object files contain records in order:
+
+ optional header
+ symbol records
+ section records
+ data records
+ debugging records
+ end record
+
+
+
+   Written by Steve Chamberlain
+   steve@cygnus.com
+
+
+
+ */
+
+
+#include <ansidecl.h>
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+#include "obstack.h"
+#include "oasys.h"
+#include "liboasys.h"
+
+
+
+#define obstack_chunk_alloc malloc
+#define obstack_chunk_free free
+
+typedef void generic_symbol_type;
+
+
+void DEFUN(oasys_read_record,(abfd, record),
+      bfd *abfd AND 
+      oasys_record_union_type *record)
+{
+
+  bfd_read(record, 1, sizeof(record->header), abfd);
+
+  bfd_read(((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;
+{
+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.
+
+*/
+
+static boolean
+oasys_slurp_symbol_table(abfd)
+bfd *abfd;
+{
+  oasys_record_union_type record;
+  oasys_data_type *data = oasys_data(abfd);
+  boolean loop = true;
+  asymbol *dest_undefined;
+  asymbol *dest_defined;
+  asymbol *dest;
+  char *string_ptr;
+
+
+  if (data->symbols != (asymbol *)NULL) {
+    return true;
+  }
+  /* Buy enough memory for all the symbols and all the names */
+  data->symbols = 
+    (asymbol *)malloc(sizeof(asymbol) * abfd->symcount);
+  data->strings = malloc(data->symbol_string_length);
+
+  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:
+      break;
+    case oasys_record_is_local_enum:
+    case oasys_record_is_symbol_enum:
+	{
+	  size_t length = oasys_string_length(&record);
+	  switch (record.symbol.relb[0] & RELOCATION_TYPE_BITS) {
+	  case RELOCATION_TYPE_ABS:
+	    dest = dest_defined--;
+	    dest->section = 0;
+	    dest->flags = BSF_ABSOLUTE | BSF_EXPORT | BSF_GLOBAL;
+	    dest_defined--;
+	    break;
+	  case RELOCATION_TYPE_REL:
+	    dest = dest_defined--;
+	    dest->section =
+	      oasys_data(abfd)->sections[record.symbol.relb[0] &
+					 RELOCATION_SECT_BITS];
+	    if (record.header.type == oasys_record_is_local_enum) 
+		{
+		  dest->flags =  BSF_LOCAL;
+		}
+	    else {
+
+	      dest->flags = BSF_EXPORT | BSF_GLOBAL;
+	    }
+	    break;
+	  case RELOCATION_TYPE_UND:
+	    dest = dest_undefined++;
+	    dest->section = (asection *)NULL;
+	    dest->flags = BSF_UNDEFINED;
+	    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;
+	    break;
+	  }
+	  dest->name = string_ptr;
+	  dest->the_bfd = abfd;
+
+	  dest->value = bfd_h_getlong(abfd, &record.symbol.value);
+	  memcpy(string_ptr, record.symbol.name, length);
+	  string_ptr[length] =0;
+	  string_ptr += length +1;
+	}
+      break;
+    default:
+      loop = false;
+    }
+  }
+  return true;
+
+}
+
+size_t
+oasys_get_symtab_upper_bound (abfd)
+bfd *abfd;
+{
+  oasys_slurp_symbol_table (abfd);
+
+  return (abfd->symcount != 0) ? 
+    (abfd->symcount+1) * (sizeof (oasys_symbol_type *)) : 0;
+}
+
+/* 
+*/
+
+extern bfd_target oasys_vec;
+
+unsigned int
+oasys_get_symtab (abfd, location)
+bfd *abfd;
+asymbol **location;
+{
+  asymbol *symbase ;
+  unsigned int counter ;
+  if (oasys_slurp_symbol_table(abfd) == false) {
+    return 0;
+  }
+  symbase = oasys_data(abfd)->symbols;
+  for (counter = 0; counter < abfd->symcount; counter++) {
+    *(location++) = symbase++;
+  }
+  *location = 0;
+  return abfd->symcount;
+}
+
+/***********************************************************************
+*  archive stuff 
+*/
+#define swap(x) x = bfd_h_get_x(abfd, &x);
+bfd_target *
+oasys_archive_p(abfd)
+bfd *abfd;
+{
+  oasys_archive_header_type header;
+  unsigned int i;
+  
+  bfd_seek(abfd, (file_ptr) 0, false);
+
+  
+  bfd_read(&header, 1, sizeof(header), 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);
+
+  /*
+     There isn't a magic number in an Oasys archive, so the best we
+     can do to verify reasnableness is to make sure that the values in
+     the header are too weird
+     */
+
+  if (header.version>10000 ||
+      header.mod_count>10000 ||
+      header.sym_count>100000 ||
+      header.xref_count > 100000) return (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));
+
+
+    oasys_module_info_type *module = 
+      (oasys_module_info_type*)
+	malloc(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;
+
+    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);
+
+      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;
+    }
+      
+  }
+  return abfd->xvec;
+}
+
+#define MAX_SECS 16
+bfd_target *
+oasys_object_p (abfd)
+bfd *abfd;
+{
+  oasys_data_type *oasys;
+  oasys_data_type static_data;
+
+  boolean loop = true;
+
+
+  boolean had_usefull = false;
+
+  memset((PTR)static_data.sections, 0xff, sizeof(static_data.sections));
+    
+  /* Point to the start of the file */
+  bfd_seek(abfd, (file_ptr)0, SEEK_SET);
+  static_data.symbol_string_length = 0;
+  /* Inspect the records, but only keep the section info -
+     remember the size of the symbols
+     */
+  while (loop) {
+    oasys_record_union_type record;
+    oasys_read_record(abfd, &record);
+
+
+    switch ((oasys_record_enum_type)(record.header.type)) {
+    case oasys_record_is_header_enum:
+      had_usefull = true;
+      break;
+    case oasys_record_is_symbol_enum:
+    case oasys_record_is_local_enum:
+      /* Count symbols and remember their size for a future malloc   */
+      abfd->symcount++;
+      static_data.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;
+	  }
+	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;
+      }
+      break;
+    case oasys_record_is_data_enum:
+      static_data.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;
+      loop = false;
+      break;
+    default:
+      return (bfd_target *)NULL;
+    }
+  }
+  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;
+  if (abfd->symcount != 0) {
+    abfd->flags |= HAS_SYMS;
+  }
+  return abfd->xvec;
+}
+
+
+void 
+oasys_print_symbol(ignore_abfd, file,  symbol, how)
+bfd *ignore_abfd;
+FILE *file;
+asymbol *symbol;
+bfd_print_symbol_enum_type how;
+{
+  switch (how) {
+  case bfd_print_symbol_name_enum:
+  case bfd_print_symbol_type_enum:
+    fprintf(file,"%s", symbol->name);
+    break;
+  case bfd_print_symbol_all_enum:
+    {
+      char *section_name = symbol->section == (asection *)NULL ?
+	"*abs" : symbol->section->name;
+
+      bfd_print_symbol_vandf((void *)file,symbol);
+
+      fprintf(file," %-5s %s",
+	      section_name,
+	      symbol->name);
+    }
+    break;
+  }
+}
+/*
+ The howto table is build using the top two bits of a reloc byte to
+ index into it. The bits are PCREL,WORD/LONG
+*/
+static reloc_howto_type howto_table[]= 
+{
+/* 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}
+};
+
+/* Read in all the section data and relocation stuff too */
+static boolean oasys_slurp_section_data(abfd)
+bfd *abfd;
+{
+  oasys_record_union_type record;
+  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 */
+  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);
+  }
+
+  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) 
+	    {
+	      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();
+		  }
+		}
+	      *dst_ptr++ = *src++;
+	    }
+	}	  
+      }
+      break;
+    case oasys_record_is_local_enum:
+    case oasys_record_is_symbol_enum:
+    case oasys_record_is_section_enum:
+      break;
+    default:
+      loop = false;
+    }
+  }
+  return true;
+
+}
+
+
+
+
+
+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 */
+};