Add support for PEF, Mach-O, xSYM

1 files changed, 1207 insertions, 0 deletions

diff --git a/bfd/pef.c b/bfd/pef.c
new file mode 100644
index 0000000..bb0d6c5
--- /dev/null
+++ b/bfd/pef.c
@@ -0,0 +1,1207 @@
+/* PEF support for BFD.
+   Copyright 1999, 2000, 2001, 2002
+   Free Software Foundation, Inc.
+
+   This file is part of BFD, the Binary File Descriptor library.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software 
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include <ctype.h>
+
+#include "pef.h"
+#include "pef-traceback.h"
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+
+#include "libiberty.h"
+
+#ifndef BFD_IO_FUNCS
+#define BFD_IO_FUNCS 0
+#endif
+
+#define bfd_pef_close_and_cleanup _bfd_generic_close_and_cleanup
+#define bfd_pef_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
+#define bfd_pef_new_section_hook _bfd_generic_new_section_hook
+#define bfd_pef_bfd_is_local_label_name bfd_generic_is_local_label_name
+#define bfd_pef_get_lineno _bfd_nosymbols_get_lineno
+#define bfd_pef_find_nearest_line _bfd_nosymbols_find_nearest_line
+#define bfd_pef_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
+#define bfd_pef_read_minisymbols _bfd_generic_read_minisymbols
+#define bfd_pef_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
+
+#define bfd_pef_get_reloc_upper_bound _bfd_norelocs_get_reloc_upper_bound
+#define bfd_pef_canonicalize_reloc _bfd_norelocs_canonicalize_reloc
+#define bfd_pef_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
+
+#define bfd_pef_set_arch_mach _bfd_generic_set_arch_mach
+
+#define bfd_pef_get_section_contents _bfd_generic_get_section_contents
+#define bfd_pef_set_section_contents _bfd_generic_set_section_contents
+
+#define bfd_pef_bfd_get_relocated_section_contents \
+  bfd_generic_get_relocated_section_contents
+#define bfd_pef_bfd_relax_section bfd_generic_relax_section
+#define bfd_pef_bfd_gc_sections bfd_generic_gc_sections
+#define bfd_pef_bfd_merge_sections bfd_generic_merge_sections
+#define bfd_pef_bfd_discard_group bfd_generic_discard_group
+#define bfd_pef_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
+#define bfd_pef_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
+#define bfd_pef_bfd_link_add_symbols _bfd_generic_link_add_symbols
+#define bfd_pef_bfd_link_just_syms _bfd_generic_link_just_syms
+#define bfd_pef_bfd_final_link _bfd_generic_final_link
+#define bfd_pef_bfd_link_split_section _bfd_generic_link_split_section
+#define bfd_pef_get_section_contents_in_window \
+  _bfd_generic_get_section_contents_in_window
+
+static void bfd_pef_print_symbol
+PARAMS ((bfd *abfd, PTR afile, asymbol *symbol, bfd_print_symbol_type how));
+static void bfd_pef_convert_architecture
+PARAMS ((unsigned long architecture, 
+	 enum bfd_architecture *type, unsigned long *subtype));
+static boolean bfd_pef_mkobject PARAMS ((bfd *abfd));
+static int bfd_pef_parse_traceback_table
+PARAMS ((bfd *abfd, asection *section, unsigned char *buf,
+	 size_t len, size_t pos, asymbol *sym, FILE *file));
+static const char *bfd_pef_section_name PARAMS ((bfd_pef_section *section));
+static unsigned long bfd_pef_section_flags PARAMS ((bfd_pef_section *section));
+static asection *bfd_pef_make_bfd_section PARAMS ((bfd *abfd, bfd_pef_section *section));
+static int bfd_pef_read_header PARAMS ((bfd *abfd, bfd_pef_header *header));
+static const bfd_target *bfd_pef_object_p PARAMS ((bfd *));
+static int bfd_pef_parse_traceback_tables
+PARAMS ((bfd *abfd, asection *sec, unsigned char *buf,
+	 size_t len, long *nsym, asymbol **csym));
+static int bfd_pef_parse_function_stub
+PARAMS ((bfd *abfd, unsigned char *buf, size_t len, unsigned long *offset));
+static int bfd_pef_parse_function_stubs 
+PARAMS ((bfd *abfd, asection *codesec, unsigned char *codebuf, size_t codelen,
+	 unsigned char *loaderbuf, size_t loaderlen, unsigned long *nsym, asymbol **csym));
+static long bfd_pef_parse_symbols PARAMS ((bfd *abfd, asymbol **csym));
+static long bfd_pef_count_symbols PARAMS ((bfd *abfd));
+static long bfd_pef_get_symtab_upper_bound PARAMS ((bfd *));
+static long bfd_pef_get_symtab PARAMS ((bfd *, asymbol **));
+static asymbol *bfd_pef_make_empty_symbol PARAMS ((bfd *));
+static void bfd_pef_get_symbol_info PARAMS ((bfd *, asymbol *, symbol_info *));
+static int bfd_pef_sizeof_headers PARAMS ((bfd *, boolean));
+
+static int bfd_pef_xlib_read_header PARAMS ((bfd *abfd, bfd_pef_xlib_header *header));
+static int bfd_pef_xlib_scan PARAMS ((bfd *abfd, bfd_pef_xlib_header *header));
+static const bfd_target *bfd_pef_xlib_object_p PARAMS ((bfd *abfd));
+
+static void
+bfd_pef_print_symbol (abfd, afile, symbol, how)
+     bfd *abfd;
+     PTR afile;
+     asymbol *symbol;
+     bfd_print_symbol_type how;
+{
+  FILE *file = (FILE *) afile;
+  switch (how) {
+  case bfd_print_symbol_name:
+    fprintf (file, "%s", symbol->name);
+    break;
+  default:
+    bfd_print_symbol_vandf (abfd, (PTR) file, symbol);
+    fprintf (file, " %-5s %s", symbol->section->name, symbol->name);
+    if (strncmp (symbol->name, "__traceback_", strlen ("__traceback_")) == 0) {
+      char *buf = alloca (symbol->udata.i);
+      size_t offset = symbol->value + 4;
+      size_t len = symbol->udata.i;
+      int ret;
+      
+      bfd_get_section_contents (abfd, symbol->section, buf, offset, len);
+      ret = bfd_pef_parse_traceback_table (abfd, symbol->section, buf, len, 0, NULL, file);
+      if (ret < 0) {
+	fprintf (file, " [ERROR]");
+      }
+    }
+  }
+}
+
+static void bfd_pef_convert_architecture (architecture, type, subtype)
+     unsigned long architecture;
+     enum bfd_architecture *type;
+     unsigned long *subtype;
+{
+  *subtype = bfd_arch_unknown;
+  *type = bfd_arch_unknown;
+
+  const unsigned long ARCH_POWERPC = 0x70777063; /* 'pwpc' */
+  const unsigned long ARCH_M68K = 0x6d36386b; /* 'm68k' */
+  
+  if (architecture == ARCH_POWERPC)
+    *type = bfd_arch_powerpc;
+  else if (architecture == ARCH_M68K)
+    *type = bfd_arch_m68k;
+}
+
+static boolean
+bfd_pef_mkobject (abfd)
+     bfd *abfd ATTRIBUTE_UNUSED;
+{
+  return true;
+}
+
+static int
+bfd_pef_parse_traceback_table (abfd, section, buf, len, pos, sym, file)
+     bfd *abfd;
+     asection *section;
+     unsigned char *buf;
+     size_t len;
+     size_t pos;
+     asymbol *sym;
+     FILE *file;
+{
+  struct traceback_table table;
+  size_t offset;
+  const char *s;
+  asymbol tmpsymbol;
+  
+  if (sym == NULL) { sym = &tmpsymbol; }
+
+  sym->name = NULL;
+  sym->value = 0;
+  sym->the_bfd = abfd;
+  sym->section = section;
+  sym->flags = 0;
+  sym->udata.i = 0;
+
+  /* memcpy is fine since all fields are unsigned char */
+
+  if ((pos + 8) > len) { return -1; }
+  memcpy (&table, buf + pos, 8);
+  
+  /* calling code relies on returned symbols having a name and correct offset */
+
+  if ((table.lang != TB_C) && (table.lang != TB_CPLUSPLUS)) { 
+    return -1;
+  }
+  if (! (table.flags2 & TB_NAME_PRESENT)) {
+    return -1;
+  }
+  if (! table.flags1 & TB_HAS_TBOFF) {
+    return -1;
+  }
+
+  offset = 8;
+
+  if ((table.flags5 & TB_FLOATPARAMS) || (table.fixedparams)) {
+    offset += 4; 
+  }
+
+  if (table.flags1 & TB_HAS_TBOFF) {
+
+    struct traceback_table_tboff off;
+    
+    if ((pos + offset + 4) > len) { return -1; }
+    off.tb_offset = bfd_getb32 (buf + pos + offset);
+    offset += 4;
+
+    /* need to subtract 4 because the offset includes the 0x0L
+       preceding the table */
+
+    if (file != NULL) {
+      fprintf (file, " [offset = 0x%lx]", off.tb_offset);
+    }
+
+    if ((file == NULL) && ((off.tb_offset + 4) > (pos + offset))) {
+      return -1;
+    }
+    sym->value = pos - off.tb_offset - 4;
+  }
+
+  if (table.flags2 & TB_INT_HNDL) {
+    offset += 4;
+  }
+
+  if (table.flags1 & TB_HAS_CTL) {
+
+    struct traceback_table_anchors anchors;
+
+    if ((pos + offset + 4) > len) { return -1; }
+    anchors.ctl_info = bfd_getb32 (buf + pos + offset);
+    offset += 4;
+
+    if (anchors.ctl_info > 1024) { 
+      return -1;
+    }
+
+    offset += anchors.ctl_info * 4;
+  }
+
+  if (table.flags2 & TB_NAME_PRESENT) {
+
+    struct traceback_table_routine name;
+    char *namebuf;
+
+    if ((pos + offset + 2) > len) { return -1; }
+    name.name_len = bfd_getb16 (buf + pos + offset);
+    offset += 2;
+
+    if (name.name_len > 4096) { return -1; }
+
+    if ((pos + offset + name.name_len) > len) { return -1; }
+
+    namebuf = (char *) bfd_alloc (abfd, name.name_len + 1);
+    if (namebuf == NULL) { return -1; }
+
+    memcpy (namebuf, buf + pos + offset, name.name_len);
+    namebuf[name.name_len] = '\0';
+    
+    /* strip leading period inserted by compiler */
+    if (namebuf[0] == '.') {
+      memmove (namebuf, namebuf + 1, name.name_len + 1);
+    }
+
+    sym->name = namebuf;
+
+    for (s = sym->name; (*s != '\0'); s++) {
+      if (! isprint (*s)) {
+	return -1;
+      }
+    }
+
+    offset += name.name_len;
+  }
+
+  if (table.flags2 & TB_USES_ALLOCA) {
+    offset += 4;
+  }
+
+  if (table.flags4 & TB_HAS_VEC_INFO) {
+    offset += 4;
+  }
+
+  if (file != NULL) {
+    fprintf (file, " [length = 0x%lx]", (long) offset);
+  }
+  return offset;
+}
+
+static const char *bfd_pef_section_name (section)
+     bfd_pef_section *section;
+{
+  switch (section->section_kind) {
+  case BFD_PEF_SECTION_CODE: return "code";
+  case BFD_PEF_SECTION_UNPACKED_DATA: return "unpacked-data";
+  case BFD_PEF_SECTION_PACKED_DATA: return "packed-data";
+  case BFD_PEF_SECTION_CONSTANT: return "constant";
+  case BFD_PEF_SECTION_LOADER: return "loader";
+  case BFD_PEF_SECTION_DEBUG: return "debug";
+  case BFD_PEF_SECTION_EXEC_DATA: return "exec-data";
+  case BFD_PEF_SECTION_EXCEPTION: return "exception";
+  case BFD_PEF_SECTION_TRACEBACK: return "traceback";
+  default: return "unknown";
+  }
+}
+
+static unsigned long bfd_pef_section_flags (section)
+     bfd_pef_section *section;
+{
+  switch (section->section_kind) {
+  case BFD_PEF_SECTION_CODE:
+    return SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE;
+  case BFD_PEF_SECTION_UNPACKED_DATA:
+  case BFD_PEF_SECTION_PACKED_DATA:
+  case BFD_PEF_SECTION_CONSTANT:
+  case BFD_PEF_SECTION_LOADER:
+  case BFD_PEF_SECTION_DEBUG:
+  case BFD_PEF_SECTION_EXEC_DATA:
+  case BFD_PEF_SECTION_EXCEPTION:
+  case BFD_PEF_SECTION_TRACEBACK:
+  default:
+    return SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC;
+  }
+}
+
+static asection *
+bfd_pef_make_bfd_section (abfd, section)
+     bfd *abfd;
+     bfd_pef_section *section;
+{
+  asection *bfdsec;
+  const char *name = bfd_pef_section_name (section);
+
+  bfdsec = bfd_make_section_anyway (abfd, name);
+  if (bfdsec == NULL) { return NULL; }
+  
+  bfdsec->vma = section->default_address + section->container_offset;
+  bfdsec->lma = section->default_address + section->container_offset;
+  bfdsec->_raw_size = section->container_length;
+  bfdsec->filepos = section->container_offset;
+  bfdsec->alignment_power = section->alignment;
+
+  bfdsec->flags = bfd_pef_section_flags (section);
+
+  return bfdsec;
+}
+
+int bfd_pef_parse_loader_header (abfd, buf, len, header)
+     bfd *abfd ATTRIBUTE_UNUSED;
+     unsigned char *buf;
+     size_t len;
+     bfd_pef_loader_header *header;
+{
+  BFD_ASSERT (len == 56);
+
+  header->main_section = bfd_getb32 (buf);
+  header->main_offset = bfd_getb32 (buf + 4);
+  header->init_section = bfd_getb32 (buf + 8);
+  header->init_offset = bfd_getb32 (buf + 12);
+  header->term_section = bfd_getb32 (buf + 16);
+  header->term_offset = bfd_getb32 (buf + 20);
+  header->imported_library_count = bfd_getb32 (buf + 24);
+  header->total_imported_symbol_count = bfd_getb32 (buf + 28);
+  header->reloc_section_count = bfd_getb32 (buf + 32);
+  header->reloc_instr_offset = bfd_getb32 (buf + 36);
+  header->loader_strings_offset = bfd_getb32 (buf + 40);
+  header->export_hash_offset = bfd_getb32 (buf + 44);
+  header->export_hash_table_power = bfd_getb32 (buf + 48);
+  header->exported_symbol_count = bfd_getb32 (buf + 52);
+
+  return 0;
+}
+
+int bfd_pef_parse_imported_library (abfd, buf, len, header)
+     bfd *abfd ATTRIBUTE_UNUSED;
+     unsigned char *buf;
+     size_t len;
+     bfd_pef_imported_library *header;
+{
+  BFD_ASSERT (len == 24);
+
+  header->name_offset = bfd_getb32 (buf);
+  header->old_implementation_version = bfd_getb32 (buf + 4);
+  header->current_version = bfd_getb32 (buf + 8);
+  header->imported_symbol_count = bfd_getb32 (buf + 12);
+  header->first_imported_symbol = bfd_getb32 (buf + 16);
+  header->options = buf[20];
+  header->reserved_a = buf[21];
+  header->reserved_b = bfd_getb16 (buf + 22);
+
+  return 0;
+}
+
+int bfd_pef_parse_imported_symbol (abfd, buf, len, symbol)
+     bfd *abfd ATTRIBUTE_UNUSED;
+     unsigned char *buf;
+     size_t len;
+     bfd_pef_imported_symbol *symbol;
+{
+  unsigned long value;
+
+  BFD_ASSERT (len == 4);
+
+  value = bfd_getb32 (buf);
+  symbol->class = value >> 24;
+  symbol->name = value & 0x00ffffff;
+
+  return 0;
+}
+
+int bfd_pef_scan_section (abfd, section)
+     bfd *abfd;
+     bfd_pef_section *section;
+{
+  unsigned char buf[28];
+  
+  bfd_seek (abfd, section->header_offset, SEEK_SET);
+  if (bfd_bread ((PTR) buf, 28, abfd) != 28) { return -1; }
+
+  section->name_offset = bfd_h_get_32 (abfd, buf);
+  section->default_address = bfd_h_get_32 (abfd, buf + 4);
+  section->total_length = bfd_h_get_32 (abfd, buf + 8);
+  section->unpacked_length = bfd_h_get_32 (abfd, buf + 12);
+  section->container_length = bfd_h_get_32 (abfd, buf + 16);
+  section->container_offset = bfd_h_get_32 (abfd, buf + 20);
+  section->section_kind = buf[24];
+  section->share_kind = buf[25];
+  section->alignment = buf[26];
+  section->reserved = buf[27];
+
+  section->bfd_section = bfd_pef_make_bfd_section (abfd, section);
+  if (section->bfd_section == NULL) { return -1; }
+
+  return 0;
+}
+
+void
+bfd_pef_print_loader_header (abfd, header, file)
+     bfd *abfd ATTRIBUTE_UNUSED;
+     bfd_pef_loader_header *header;
+     FILE *file;
+{
+  fprintf (file, "main_section: %ld\n", header->main_section);
+  fprintf (file, "main_offset: %lu\n", header->main_offset);
+  fprintf (file, "init_section: %ld\n", header->init_section);
+  fprintf (file, "init_offset: %lu\n", header->init_offset);
+  fprintf (file, "term_section: %ld\n", header->term_section);
+  fprintf (file, "term_offset: %lu\n", header->term_offset);
+  fprintf (file, "imported_library_count: %lu\n", header->imported_library_count);
+  fprintf (file, "total_imported_symbol_count: %lu\n", header->total_imported_symbol_count);
+  fprintf (file, "reloc_section_count: %lu\n", header->reloc_section_count);
+  fprintf (file, "reloc_instr_offset: %lu\n", header->reloc_instr_offset);
+  fprintf (file, "loader_strings_offset: %lu\n", header->loader_strings_offset);
+  fprintf (file, "export_hash_offset: %lu\n", header->export_hash_offset);
+  fprintf (file, "export_hash_table_power: %lu\n", header->export_hash_table_power);
+  fprintf (file, "exported_symbol_count: %lu\n", header->exported_symbol_count);
+}
+
+int
+bfd_pef_print_loader_section (abfd, file)
+     bfd *abfd;
+     FILE *file;
+{
+  bfd_pef_loader_header header;
+  asection *loadersec = NULL;
+  unsigned char *loaderbuf = NULL;
+  size_t loaderlen = 0;
+  int ret;
+
+  loadersec = bfd_get_section_by_name (abfd, "loader");
+  if (loadersec == NULL) { return -1; }
+    
+  loaderlen = bfd_section_size (abfd, loadersec);
+  loaderbuf = (unsigned char *) bfd_malloc (loaderlen);
+  if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0)
+    { free (loaderbuf); return -1; }
+  if (bfd_bread ((PTR) loaderbuf, loaderlen, abfd) != loaderlen)
+    { free (loaderbuf); return -1; }
+
+  if (loaderlen < 56) { free (loaderbuf); return -1; }
+  ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header);
+  if (ret < 0) { free (loaderbuf); return -1; }
+
+  bfd_pef_print_loader_header (abfd, &header, file);
+  return 0;
+}
+
+int
+bfd_pef_scan_start_address (abfd)
+     bfd *abfd;
+{
+  bfd_pef_loader_header header;
+  asection *section;
+
+  asection *loadersec = NULL;
+  unsigned char *loaderbuf = NULL;
+  size_t loaderlen = 0;
+  int ret;
+
+  loadersec = bfd_get_section_by_name (abfd, "loader");
+  if (loadersec == NULL) { goto end; }
+    
+  loaderlen = bfd_section_size (abfd, loadersec);
+  loaderbuf = (unsigned char *) bfd_malloc (loaderlen);
+  if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) { goto error; }
+  if (bfd_bread ((PTR) loaderbuf, loaderlen, abfd) != loaderlen) { goto error; }
+
+  if (loaderlen < 56) { goto error; }
+  ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header);
+  if (ret < 0) { goto error; }
+
+  if (header.main_section < 0) { goto end; }
+
+  for (section = abfd->sections; section != NULL; section = section->next) {
+    if ((section->index + 1) == header.main_section) { break; }
+  }
+  
+  if (section == NULL) { goto error; }
+  
+  abfd->start_address = section->vma + header.main_offset;
+
+ end:
+  if (loaderbuf != NULL) { free (loaderbuf); }
+  return 0;
+
+ error:
+  if (loaderbuf != NULL) { free (loaderbuf); }
+  return -1;
+}
+
+int
+bfd_pef_scan (abfd, header)
+     bfd *abfd;
+     bfd_pef_header *header;
+{
+  unsigned int i;
+  bfd_pef_data_struct *mdata = NULL;
+  enum bfd_architecture cputype;
+  unsigned long cpusubtype;
+
+  if ((header->tag1 != BFD_PEF_TAG1) || (header->tag2 != BFD_PEF_TAG2)) {
+    return -1;
+  }
+
+  mdata = ((bfd_pef_data_struct *) 
+	   bfd_alloc (abfd, sizeof (bfd_pef_data_struct)));
+  if (mdata == NULL) { return -1; }
+  
+  bfd_pef_convert_architecture (header->architecture, &cputype, &cpusubtype);
+  if (cputype == bfd_arch_unknown) {
+    fprintf (stderr, "bfd_pef_scan: unknown architecture 0x%lx\n", header->architecture);
+    return -1;
+  }
+  bfd_set_arch_mach (abfd, cputype, cpusubtype);
+
+  mdata->header = *header;
+
+  abfd->flags = abfd->xvec->object_flags | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS));
+
+  if (header->section_count != 0) {
+    
+    mdata->sections = 
+      ((bfd_pef_section *)
+       bfd_alloc (abfd, header->section_count * sizeof (bfd_pef_section)));
+    if (mdata->sections == NULL) { return -1; } 
+
+    for (i = 0; i < header->section_count; i++) {
+      bfd_pef_section *cur = &mdata->sections[i];
+      cur->header_offset = 40 + (i * 28);
+      if (bfd_pef_scan_section (abfd, cur) < 0) {
+	return -1;
+      }
+    }
+  }
+
+  if (bfd_pef_scan_start_address (abfd) < 0) { 
+#if 0
+    fprintf (stderr, "bfd_pef_scan: unable to scan start address: %s\n",
+	     bfd_errmsg (bfd_get_error ()));
+    abfd->tdata.pef_data = NULL;
+    return -1; 
+#endif
+  }
+
+  abfd->tdata.pef_data = mdata;
+
+  return 0;
+}
+
+static int
+bfd_pef_read_header (abfd, header)
+     bfd *abfd;
+     bfd_pef_header *header;
+{
+  unsigned char buf[40];
+
+  bfd_seek (abfd, 0, SEEK_SET);
+
+  if (bfd_bread ((PTR) buf, 40, abfd) != 40) { return -1; }
+
+  header->tag1 = bfd_getb32 (buf);
+  header->tag2 = bfd_getb32 (buf + 4);
+  header->architecture = bfd_getb32 (buf + 8);
+  header->format_version = bfd_getb32 (buf + 12);
+  header->timestamp = bfd_getb32 (buf + 16);
+  header->old_definition_version = bfd_getb32 (buf + 20);
+  header->old_implementation_version = bfd_getb32 (buf + 24);
+  header->current_version = bfd_getb32 (buf + 28);
+  header->section_count = bfd_getb32 (buf + 32) + 1;
+  header->instantiated_section_count = bfd_getb32 (buf + 34);
+  header->reserved = bfd_getb32 (buf + 36);
+
+  return 0;
+}
+
+static const bfd_target *
+bfd_pef_object_p (abfd)
+     bfd *abfd;
+{
+  bfd_pef_header header;
+  
+  abfd->tdata.pef_data = NULL;
+
+  if (bfd_pef_read_header (abfd, &header) != 0) {
+    abfd->tdata.pef_data = NULL;
+    bfd_set_error (bfd_error_wrong_format);
+    return NULL;
+  }
+
+  if (bfd_pef_scan (abfd, &header) != 0) {
+    abfd->tdata.pef_data = NULL;
+    bfd_set_error (bfd_error_wrong_format);
+    return NULL;
+  }
+
+  return abfd->xvec;
+}
+
+static int bfd_pef_parse_traceback_tables (abfd, sec, buf, len, nsym, csym)
+     bfd *abfd;
+     asection *sec;
+     unsigned char *buf;
+     size_t len;
+     long *nsym;
+     asymbol **csym;
+{
+  char *name;
+
+  asymbol function;
+  asymbol traceback;
+
+  const char *const tbprefix = "__traceback_";
+  size_t tbnamelen;
+
+  size_t pos = 0;
+  unsigned long count = 0;
+  int ret;
+
+  for (;;) {
+	
+    /* we're reading symbols two at a time */
+
+    if (csym && ((csym[count] == NULL) || (csym[count + 1] == NULL))) {
+      break;
+    }
+
+    pos += 3;
+    pos -= (pos % 4);
+
+    while ((pos + 4) <= len) {
+      if (bfd_getb32 (buf + pos) == 0) {
+	break;
+      }
+      pos += 4;
+    }
+
+    if ((pos + 4) > len) {
+      break;
+    }
+	
+    ret = bfd_pef_parse_traceback_table (abfd, sec, buf, len, pos + 4, &function, 0);
+    if (ret < 0) {
+      /* skip over 0x0L to advance to next possible traceback table */
+      pos += 4;
+      continue;
+    }
+	
+    BFD_ASSERT (function.name != NULL);
+
+    /* Don't bother to compute the name if we are just
+       counting symbols */
+
+    if (csym)
+      {
+	tbnamelen = strlen (tbprefix) + strlen (function.name);
+	name = bfd_alloc (abfd, tbnamelen + 1);
+	if (name == NULL) { 
+	  bfd_release (abfd, (PTR) function.name);
+	  function.name = NULL;
+	  break;
+	}
+	snprintf (name, tbnamelen + 1, "%s%s", tbprefix, function.name);
+	traceback.name = name;
+	traceback.value = pos;
+	traceback.the_bfd = abfd;
+	traceback.section = sec;
+	traceback.flags = 0;
+	traceback.udata.i = ret;
+
+	*(csym[count]) = function;
+	*(csym[count + 1]) = traceback;
+      }
+
+    pos += ret;
+    count += 2;
+  }
+
+  *nsym = count;
+  return 0;
+}
+
+static int bfd_pef_parse_function_stub (abfd, buf, len, offset)
+     bfd *abfd ATTRIBUTE_UNUSED;
+     unsigned char *buf;
+     size_t len;
+     unsigned long *offset;
+{
+  BFD_ASSERT (len == 24);
+
+  if ((bfd_getb32 (buf) & 0xffff0000) != 0x81820000) { return -1; }
+  if (bfd_getb32 (buf + 4) != 0x90410014) { return -1; }
+  if (bfd_getb32 (buf + 8) != 0x800c0000) { return -1; }
+  if (bfd_getb32 (buf + 12) != 0x804c0004) { return -1; }
+  if (bfd_getb32 (buf + 16) != 0x7c0903a6) { return -1; }
+  if (bfd_getb32 (buf + 20) != 0x4e800420) { return -1; }
+  
+  if (offset != NULL) {
+    *offset = (bfd_getb32 (buf) & 0x0000ffff) / 4;
+  }
+
+  return 0;
+}
+
+static int bfd_pef_parse_function_stubs (abfd, codesec, codebuf, codelen, loaderbuf, loaderlen, nsym, csym)
+     bfd *abfd;
+     asection *codesec;
+     unsigned char *codebuf;
+     size_t codelen;
+     unsigned char *loaderbuf;
+     size_t loaderlen;
+     unsigned long *nsym;
+     asymbol **csym;
+{
+  const char *const sprefix = "__stub_";
+
+  size_t codepos = 0;
+  unsigned long count = 0;
+
+  bfd_pef_loader_header header;
+  bfd_pef_imported_library *libraries = NULL;
+  bfd_pef_imported_symbol *imports = NULL;
+
+  unsigned long i;
+  int ret;
+
+  if (loaderlen < 56) { goto error; }
+
+  ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header);
+  if (ret < 0) { goto error; }
+
+  libraries = (bfd_pef_imported_library *) bfd_malloc
+    (header.imported_library_count * sizeof (bfd_pef_imported_library));
+  imports = (bfd_pef_imported_symbol *) bfd_malloc
+    (header.total_imported_symbol_count * sizeof (bfd_pef_imported_symbol));
+  
+  if (loaderlen < (56 + (header.imported_library_count * 24))) { goto error; }
+  for (i = 0; i < header.imported_library_count; i++) {
+    ret = bfd_pef_parse_imported_library
+      (abfd, loaderbuf + 56 + (i * 24), 24, &libraries[i]);
+    if (ret < 0) { goto error; }
+  }
+  
+  if (loaderlen < (56 + (header.imported_library_count * 24) + (header.total_imported_symbol_count * 4)))
+    { goto error; }
+  for (i = 0; i < header.total_imported_symbol_count; i++) {
+    ret = bfd_pef_parse_imported_symbol 
+      (abfd, loaderbuf + 56 + (header.imported_library_count * 24) + (i * 4), 4, &imports[i]);
+    if (ret < 0) { goto error; }
+  }
+    
+  codepos = 0;
+
+  for (;;) {
+
+    asymbol sym;
+    const char *symname;
+    char *name;
+    unsigned long index;
+    int ret;
+
+    if (csym && (csym[count] == NULL)) { break; }
+
+    codepos += 3;
+    codepos -= (codepos % 4);
+
+    while ((codepos + 4) <= codelen) {
+      if ((bfd_getb32 (codebuf + codepos) & 0xffff0000) == 0x81820000) { 
+	break;
+      }
+      codepos += 4;
+    }
+
+    if ((codepos + 4) > codelen) {
+      break;
+    }
+
+    ret = bfd_pef_parse_function_stub (abfd, codebuf + codepos, 24, &index);
+    if (ret < 0) { codepos += 24; continue; }
+    
+    if (index >= header.total_imported_symbol_count) { codepos += 24; continue; }
+
+    {
+      size_t max, namelen;
+      const char *s;
+
+      if (loaderlen < (header.loader_strings_offset + imports[index].name)) { goto error; }
+
+      max = loaderlen - (header.loader_strings_offset + imports[index].name);
+      symname = loaderbuf + header.loader_strings_offset + imports[index].name;
+      namelen = 0;
+      for (s = symname; s < (symname + max); s++) {
+	if (*s == '\0') { break; }
+	if (! isprint (*s)) { goto error; }
+	namelen++;
+      }
+      if (*s != '\0') { goto error; }
+
+      name = bfd_alloc (abfd, strlen (sprefix) + namelen + 1);
+      if (name == NULL) { break; }
+
+      snprintf (name, strlen (sprefix) + namelen + 1, "%s%s", sprefix, symname);
+      sym.name = name;
+    }
+
+    sym.value = codepos;
+    sym.the_bfd = abfd;
+    sym.section = codesec;
+    sym.flags = 0;
+    sym.udata.i = 0;
+
+    codepos += 24;
+
+    if (csym != NULL) {
+      *(csym[count]) = sym;
+    }
+    count++;
+  }  
+
+  goto end;
+
+ end:
+  if (libraries != NULL) { free (libraries); }
+  if (imports != NULL) { free (imports); }
+  *nsym = count;
+  return 0;
+
+ error:
+  if (libraries != NULL) { free (libraries); }
+  if (imports != NULL) { free (imports); }
+  *nsym = count;
+  return -1;
+}   
+
+static long bfd_pef_parse_symbols (abfd, csym)
+     bfd *abfd;
+     asymbol **csym;
+{
+  unsigned long count = 0;
+
+  asection *codesec = NULL;
+  unsigned char *codebuf = NULL;
+  size_t codelen = 0;
+
+  asection *loadersec = NULL;
+  unsigned char *loaderbuf = NULL;
+  size_t loaderlen = 0;
+
+  codesec = bfd_get_section_by_name (abfd, "code");
+  if (codesec != NULL)
+    {
+      codelen = bfd_section_size (abfd, codesec);
+      codebuf = (unsigned char *) bfd_malloc (codelen);
+      if (bfd_seek (abfd, codesec->filepos, SEEK_SET) < 0) { goto end; }
+      if (bfd_bread ((PTR) codebuf, codelen, abfd) != codelen) { goto end; }
+    }
+
+  loadersec = bfd_get_section_by_name (abfd, "loader");
+  if (loadersec != NULL)
+    {
+      loaderlen = bfd_section_size (abfd, loadersec);
+      loaderbuf = (unsigned char *) bfd_malloc (loaderlen);
+      if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) { goto end; }
+      if (bfd_bread ((PTR) loaderbuf, loaderlen, abfd) != loaderlen) { goto end; }
+    }
+  
+  count = 0;
+  if (codesec != NULL)
+    {
+      unsigned long ncount = 0;
+      bfd_pef_parse_traceback_tables (abfd, codesec, codebuf, codelen, &ncount, csym);
+      count += ncount;
+    }
+
+  if ((codesec != NULL) && (loadersec != NULL))
+    {
+      unsigned long ncount = 0;
+      bfd_pef_parse_function_stubs
+	(abfd, codesec, codebuf, codelen, loaderbuf, loaderlen, &ncount,
+	 (csym != NULL) ? (csym + count) : NULL);
+      count += ncount;
+    }
+  
+  if (csym != NULL) {
+    csym[count] = NULL;
+  }
+  
+ end:
+  if (codebuf != NULL) 
+    free (codebuf);
+
+  if (loaderbuf != NULL) 
+    free (loaderbuf); 
+  
+  return count;
+}
+
+static long
+bfd_pef_count_symbols (abfd)
+     bfd *abfd;
+{
+  return bfd_pef_parse_symbols (abfd, NULL);
+}
+
+static long
+bfd_pef_get_symtab_upper_bound (abfd)
+     bfd *abfd;
+{
+  long nsyms = bfd_pef_count_symbols (abfd);
+  if (nsyms < 0) { return nsyms; }
+  return ((nsyms + 1) * sizeof (asymbol *));
+}
+
+static long
+bfd_pef_get_symtab (abfd, alocation)
+     bfd *abfd;
+     asymbol **alocation;
+{
+  long i;
+  asymbol *syms;
+  long ret;
+
+  long nsyms = bfd_pef_count_symbols (abfd);
+  if (nsyms < 0) { return nsyms; }
+
+  syms = bfd_alloc (abfd, nsyms * sizeof (asymbol));
+  if (syms == NULL) { return -1; }
+
+  for (i = 0; i < nsyms; i++) {
+    alocation[i] = &syms[i];
+  }
+  alocation[nsyms] = NULL;
+
+  ret = bfd_pef_parse_symbols (abfd, alocation);
+  if (ret != nsyms) {
+    return 0;
+  }
+
+  return ret;
+}
+
+static asymbol *
+bfd_pef_make_empty_symbol (abfd)
+     bfd *abfd;
+{
+  return (asymbol *) bfd_alloc (abfd, sizeof (asymbol));
+}
+
+static void
+bfd_pef_get_symbol_info (abfd, symbol, ret)
+     bfd *abfd ATTRIBUTE_UNUSED;
+     asymbol *symbol;
+     symbol_info *ret;
+{
+  bfd_symbol_info (symbol, ret);
+}
+
+static int
+bfd_pef_sizeof_headers (abfd, exec)
+     bfd *abfd ATTRIBUTE_UNUSED;
+     boolean exec ATTRIBUTE_UNUSED;
+{
+  return 0;
+}
+
+const bfd_target pef_vec =
+{
+  "pef",			/* name */
+  bfd_target_pef_flavour,	/* flavour */
+  BFD_ENDIAN_BIG,		/* byteorder */
+  BFD_ENDIAN_BIG,		/* header_byteorder */
+  (HAS_RELOC | EXEC_P |		/* object flags */
+   HAS_LINENO | HAS_DEBUG |
+   HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
+  (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_DATA
+   | SEC_ROM | SEC_HAS_CONTENTS), /* section_flags */
+  0,				/* symbol_leading_char */
+  ' ',				/* ar_pad_char */
+  16,				/* ar_max_namelen */
+  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+  bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+  bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* data */
+  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+  bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+  bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* hdrs */
+  {				/* bfd_check_format */
+    _bfd_dummy_target,
+    bfd_pef_object_p,		/* bfd_check_format */
+    _bfd_dummy_target,
+    _bfd_dummy_target,
+  },
+  {				/* bfd_set_format */
+    bfd_false,
+    bfd_pef_mkobject,
+    bfd_false,
+    bfd_false,
+  },
+  {				/* bfd_write_contents */
+    bfd_false,
+    bfd_true,
+    bfd_false,
+    bfd_false,
+  },
+
+  BFD_JUMP_TABLE_GENERIC (bfd_pef),
+  BFD_JUMP_TABLE_COPY (_bfd_generic),
+  BFD_JUMP_TABLE_CORE (_bfd_nocore),
+  BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
+  BFD_JUMP_TABLE_SYMBOLS (bfd_pef),
+  BFD_JUMP_TABLE_RELOCS (bfd_pef),
+  BFD_JUMP_TABLE_WRITE (bfd_pef),
+  BFD_JUMP_TABLE_LINK (bfd_pef),
+  BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+  NULL,
+  
+  NULL
+};
+
+#define bfd_pef_xlib_close_and_cleanup _bfd_generic_close_and_cleanup
+#define bfd_pef_xlib_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
+#define bfd_pef_xlib_new_section_hook _bfd_generic_new_section_hook
+#define bfd_pef_xlib_get_section_contents _bfd_generic_get_section_contents
+#define bfd_pef_xlib_set_section_contents _bfd_generic_set_section_contents
+#define bfd_pef_xlib_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
+#define bfd_pef_xlib_set_section_contents_in_window _bfd_generic_set_section_contents_in_window
+
+static int
+bfd_pef_xlib_read_header (abfd, header)
+     bfd *abfd;
+     bfd_pef_xlib_header *header;
+{
+  unsigned char buf[76];
+
+  bfd_seek (abfd, 0, SEEK_SET);
+
+  if (bfd_bread ((PTR) buf, 76, abfd) != 76) { return -1; }
+
+  header->tag1 = bfd_getb32 (buf);
+  header->tag2 = bfd_getb32 (buf + 4);
+  header->current_format = bfd_getb32 (buf + 8);
+  header->container_strings_offset = bfd_getb32 (buf + 12);
+  header->export_hash_offset = bfd_getb32 (buf + 16);
+  header->export_key_offset = bfd_getb32 (buf + 20);
+  header->export_symbol_offset = bfd_getb32 (buf + 24);
+  header->export_names_offset = bfd_getb32 (buf + 28);
+  header->export_hash_table_power = bfd_getb32 (buf + 32);
+  header->exported_symbol_count = bfd_getb32 (buf + 36);
+  header->frag_name_offset = bfd_getb32 (buf + 40);
+  header->frag_name_length = bfd_getb32 (buf + 44);
+  header->dylib_path_offset = bfd_getb32 (buf + 48);
+  header->dylib_path_length = bfd_getb32 (buf + 52);
+  header->cpu_family = bfd_getb32 (buf + 56);
+  header->cpu_model = bfd_getb32 (buf + 60);
+  header->date_time_stamp = bfd_getb32 (buf + 64);
+  header->current_version = bfd_getb32 (buf + 68);
+  header->old_definition_version = bfd_getb32 (buf + 72);
+  header->old_implementation_version = bfd_getb32 (buf + 76);
+
+  return 0;
+}
+
+int
+bfd_pef_xlib_scan (abfd, header)
+     bfd *abfd;
+     bfd_pef_xlib_header *header;
+{
+  bfd_pef_xlib_data_struct *mdata = NULL;
+
+  if ((header->tag1 != BFD_PEF_XLIB_TAG1) 
+      || ((header->tag2 != BFD_PEF_VLIB_TAG2) && (header->tag2 != BFD_PEF_BLIB_TAG2))) {
+    return -1;
+  }
+
+  mdata = ((bfd_pef_xlib_data_struct *) 
+	   bfd_alloc (abfd, sizeof (bfd_pef_xlib_data_struct)));
+  if (mdata == NULL) { return -1; }
+  
+  mdata->header = *header;
+
+  abfd->flags = abfd->xvec->object_flags | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS));
+
+  abfd->tdata.pef_xlib_data = mdata;
+
+  return 0;
+}
+
+static const bfd_target *
+bfd_pef_xlib_object_p (abfd)
+     bfd *abfd;
+{
+  bfd_pef_xlib_header header;
+  
+  abfd->tdata.pef_xlib_data = NULL;
+
+  if (bfd_pef_xlib_read_header (abfd, &header) != 0) {
+    abfd->tdata.pef_xlib_data = NULL;
+    bfd_set_error (bfd_error_wrong_format);
+    return NULL;
+  }
+
+  if (bfd_pef_xlib_scan (abfd, &header) != 0) {
+    abfd->tdata.pef_xlib_data = NULL;
+    bfd_set_error (bfd_error_wrong_format);
+    return NULL;
+  }
+
+  return abfd->xvec;
+}
+
+const bfd_target pef_xlib_vec =
+{
+  "pef-xlib",			/* name */
+  bfd_target_pef_xlib_flavour,	/* flavour */
+  BFD_ENDIAN_BIG,		/* byteorder */
+  BFD_ENDIAN_BIG,		/* header_byteorder */
+  (HAS_RELOC | EXEC_P |		/* object flags */
+   HAS_LINENO | HAS_DEBUG |
+   HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
+  (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_DATA
+   | SEC_ROM | SEC_HAS_CONTENTS), /* section_flags */
+  0,				/* symbol_leading_char */
+  ' ',				/* ar_pad_char */
+  16,				/* ar_max_namelen */
+  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+  bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+  bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* data */
+  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+  bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+  bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* hdrs */
+  {				/* bfd_check_format */
+    _bfd_dummy_target,
+    bfd_pef_xlib_object_p,	/* bfd_check_format */
+    _bfd_dummy_target,
+    _bfd_dummy_target,
+  },
+  {				/* bfd_set_format */
+    bfd_false,
+    bfd_pef_mkobject,
+    bfd_false,
+    bfd_false,
+  },
+  {				/* bfd_write_contents */
+    bfd_false,
+    bfd_true,
+    bfd_false,
+    bfd_false,
+  },
+
+  BFD_JUMP_TABLE_GENERIC (bfd_pef_xlib),
+  BFD_JUMP_TABLE_COPY (_bfd_generic),
+  BFD_JUMP_TABLE_CORE (_bfd_nocore),
+  BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
+  BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
+  BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
+  BFD_JUMP_TABLE_WRITE (_bfd_nowrite),
+  BFD_JUMP_TABLE_LINK (_bfd_nolink),
+  BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+  NULL,
+  
+  NULL
+};
+