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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [bfd/] [xcofflink.c] - Diff between revs 157 and 225

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Line 1... Line 1...
/* POWER/PowerPC XCOFF linker support.
/* POWER/PowerPC XCOFF linker support.
   Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   2005, 2006, 2007, 2008 Free Software Foundation, Inc.
   2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
   Written by Ian Lance Taylor <ian@cygnus.com>, Cygnus Support.
   Written by Ian Lance Taylor <ian@cygnus.com>, Cygnus Support.
 
 
   This file is part of BFD, the Binary File Descriptor library.
   This file is part of BFD, the Binary File Descriptor library.
 
 
   This program is free software; you can redistribute it and/or modify
   This program is free software; you can redistribute it and/or modify
Line 26... Line 26...
#include "libbfd.h"
#include "libbfd.h"
#include "coff/internal.h"
#include "coff/internal.h"
#include "coff/xcoff.h"
#include "coff/xcoff.h"
#include "libcoff.h"
#include "libcoff.h"
#include "libxcoff.h"
#include "libxcoff.h"
 
#include "libiberty.h"
 
 
/* This file holds the XCOFF linker code.  */
/* This file holds the XCOFF linker code.  */
 
 
#undef  STRING_SIZE_SIZE
#undef  STRING_SIZE_SIZE
#define STRING_SIZE_SIZE 4
#define STRING_SIZE_SIZE 4
Line 73... Line 74...
    struct xcoff_link_hash_entry *h;
    struct xcoff_link_hash_entry *h;
    struct internal_reloc *rel;
    struct internal_reloc *rel;
  } *toc_rel_hashes;
  } *toc_rel_hashes;
};
};
 
 
 
/* Information that the XCOFF linker collects about an archive.  */
 
struct xcoff_archive_info
 
{
 
  /* The archive described by this entry.  */
 
  bfd *archive;
 
 
 
  /* The import path and import filename to use when referring to
 
     this archive in the .loader section.  */
 
  const char *imppath;
 
  const char *impfile;
 
 
 
  /* True if the archive contains a dynamic object.  */
 
  unsigned int contains_shared_object_p : 1;
 
 
 
  /* True if the previous field is valid.  */
 
  unsigned int know_contains_shared_object_p : 1;
 
};
 
 
 
struct xcoff_link_hash_table
 
{
 
  struct bfd_link_hash_table root;
 
 
 
  /* The .debug string hash table.  We need to compute this while
 
     reading the input files, so that we know how large the .debug
 
     section will be before we assign section positions.  */
 
  struct bfd_strtab_hash *debug_strtab;
 
 
 
  /* The .debug section we will use for the final output.  */
 
  asection *debug_section;
 
 
 
  /* The .loader section we will use for the final output.  */
 
  asection *loader_section;
 
 
 
  /* A count of non TOC relative relocs which will need to be
 
     allocated in the .loader section.  */
 
  size_t ldrel_count;
 
 
 
  /* The .loader section header.  */
 
  struct internal_ldhdr ldhdr;
 
 
 
  /* The .gl section we use to hold global linkage code.  */
 
  asection *linkage_section;
 
 
 
  /* The .tc section we use to hold toc entries we build for global
 
     linkage code.  */
 
  asection *toc_section;
 
 
 
  /* The .ds section we use to hold function descriptors which we
 
     create for exported symbols.  */
 
  asection *descriptor_section;
 
 
 
  /* The list of import files.  */
 
  struct xcoff_import_file *imports;
 
 
 
  /* Required alignment of sections within the output file.  */
 
  unsigned long file_align;
 
 
 
  /* Whether the .text section must be read-only.  */
 
  bfd_boolean textro;
 
 
 
  /* Whether -brtl was specified.  */
 
  bfd_boolean rtld;
 
 
 
  /* Whether garbage collection was done.  */
 
  bfd_boolean gc;
 
 
 
  /* A linked list of symbols for which we have size information.  */
 
  struct xcoff_link_size_list
 
  {
 
    struct xcoff_link_size_list *next;
 
    struct xcoff_link_hash_entry *h;
 
    bfd_size_type size;
 
  }
 
  *size_list;
 
 
 
  /* Information about archives.  */
 
  htab_t archive_info;
 
 
 
  /* Magic sections: _text, _etext, _data, _edata, _end, end. */
 
  asection *special_sections[XCOFF_NUMBER_OF_SPECIAL_SECTIONS];
 
};
 
 
/* Information that we pass around while doing the final link step.  */
/* Information that we pass around while doing the final link step.  */
 
 
struct xcoff_final_link_info
struct xcoff_final_link_info
{
{
  /* General link information.  */
  /* General link information.  */
Line 256... Line 339...
                                                              ldsym.l_scnum);
                                                              ldsym.l_scnum);
      symbuf->symbol.value = ldsym.l_value - symbuf->symbol.section->vma;
      symbuf->symbol.value = ldsym.l_value - symbuf->symbol.section->vma;
 
 
      symbuf->symbol.flags = BSF_NO_FLAGS;
      symbuf->symbol.flags = BSF_NO_FLAGS;
      if ((ldsym.l_smtype & L_EXPORT) != 0)
      if ((ldsym.l_smtype & L_EXPORT) != 0)
 
        {
 
          if ((ldsym.l_smtype & L_WEAK) != 0)
 
            symbuf->symbol.flags |= BSF_WEAK;
 
          else
        symbuf->symbol.flags |= BSF_GLOBAL;
        symbuf->symbol.flags |= BSF_GLOBAL;
 
        }
 
 
      /* FIXME: We have no way to record the other information stored
      /* FIXME: We have no way to record the other information stored
         with the loader symbol.  */
         with the loader symbol.  */
      *psyms = (asymbol *) symbuf;
      *psyms = (asymbol *) symbuf;
    }
    }
Line 396... Line 484...
  *prelocs = NULL;
  *prelocs = NULL;
 
 
  return ldhdr.l_nreloc;
  return ldhdr.l_nreloc;
}
}


 
/* Hash functions for xcoff_link_hash_table's archive_info.  */
 
 
 
static hashval_t
 
xcoff_archive_info_hash (const void *data)
 
{
 
  const struct xcoff_archive_info *info;
 
 
 
  info = (const struct xcoff_archive_info *) data;
 
  return htab_hash_pointer (info->archive);
 
}
 
 
 
static int
 
xcoff_archive_info_eq (const void *data1, const void *data2)
 
{
 
  const struct xcoff_archive_info *info1;
 
  const struct xcoff_archive_info *info2;
 
 
 
  info1 = (const struct xcoff_archive_info *) data1;
 
  info2 = (const struct xcoff_archive_info *) data2;
 
  return info1->archive == info2->archive;
 
}
 
 
 
/* Return information about archive ARCHIVE.  Return NULL on error.  */
 
 
 
static struct xcoff_archive_info *
 
xcoff_get_archive_info (struct bfd_link_info *info, bfd *archive)
 
{
 
  struct xcoff_link_hash_table *htab;
 
  struct xcoff_archive_info *entryp, entry;
 
  void **slot;
 
 
 
  htab = xcoff_hash_table (info);
 
  entry.archive = archive;
 
  slot = htab_find_slot (htab->archive_info, &entry, INSERT);
 
  if (!slot)
 
    return NULL;
 
 
 
  entryp = *slot;
 
  if (!entryp)
 
    {
 
      entryp = bfd_zalloc (archive, sizeof (entry));
 
      if (!entryp)
 
        return NULL;
 
 
 
      entryp->archive = archive;
 
      *slot = entryp;
 
    }
 
  return entryp;
 
}
 

/* Routine to create an entry in an XCOFF link hash table.  */
/* Routine to create an entry in an XCOFF link hash table.  */
 
 
static struct bfd_hash_entry *
static struct bfd_hash_entry *
xcoff_link_hash_newfunc (struct bfd_hash_entry *entry,
xcoff_link_hash_newfunc (struct bfd_hash_entry *entry,
                         struct bfd_hash_table *table,
                         struct bfd_hash_table *table,
Line 462... Line 600...
  ret->descriptor_section = NULL;
  ret->descriptor_section = NULL;
  ret->imports = NULL;
  ret->imports = NULL;
  ret->file_align = 0;
  ret->file_align = 0;
  ret->textro = FALSE;
  ret->textro = FALSE;
  ret->gc = FALSE;
  ret->gc = FALSE;
 
  ret->archive_info = htab_create (37, xcoff_archive_info_hash,
 
                                   xcoff_archive_info_eq, NULL);
  memset (ret->special_sections, 0, sizeof ret->special_sections);
  memset (ret->special_sections, 0, sizeof ret->special_sections);
 
 
  /* The linker will always generate a full a.out header.  We need to
  /* The linker will always generate a full a.out header.  We need to
     record that fact now, before the sizeof_headers routine could be
     record that fact now, before the sizeof_headers routine could be
     called.  */
     called.  */
Line 538... Line 678...
 
 
  return _bfd_coff_read_internal_relocs (abfd, sec, cache, external_relocs,
  return _bfd_coff_read_internal_relocs (abfd, sec, cache, external_relocs,
                                         require_internal, internal_relocs);
                                         require_internal, internal_relocs);
}
}


 
/* Split FILENAME into an import path and an import filename,
 
   storing them in *IMPPATH and *IMPFILE respectively.  */
 
 
 
bfd_boolean
 
bfd_xcoff_split_import_path (bfd *abfd, const char *filename,
 
                             const char **imppath, const char **impfile)
 
{
 
  const char *basename;
 
  size_t length;
 
  char *path;
 
 
 
  basename = lbasename (filename);
 
  length = basename - filename;
 
  if (length == 0)
 
    /* The filename has no directory component, so use an empty path.  */
 
    *imppath = "";
 
  else if (length == 1)
 
    /* The filename is in the root directory.  */
 
    *imppath = "/";
 
  else
 
    {
 
      /* Extract the (non-empty) directory part.  Note that we don't
 
         need to strip duplicate directory separators from any part
 
         of the string; the native linker doesn't do that either.  */
 
      path = bfd_alloc (abfd, length);
 
      if (path == NULL)
 
        return FALSE;
 
      memcpy (path, filename, length - 1);
 
      path[length - 1] = 0;
 
      *imppath = path;
 
    }
 
  *impfile = basename;
 
  return TRUE;
 
}
 
 
 
/* Set ARCHIVE's import path as though its filename had been given
 
   as FILENAME.  */
 
 
 
bfd_boolean
 
bfd_xcoff_set_archive_import_path (struct bfd_link_info *info,
 
                                   bfd *archive, const char *filename)
 
{
 
  struct xcoff_archive_info *archive_info;
 
 
 
  archive_info = xcoff_get_archive_info (info, archive);
 
  return (archive_info != NULL
 
          && bfd_xcoff_split_import_path (archive, filename,
 
                                          &archive_info->imppath,
 
                                          &archive_info->impfile));
 
}
 
 
 
/* H is an imported symbol.  Set the import module's path, file and member
 
   to IMPATH, IMPFILE and IMPMEMBER respectively.  All three are null if
 
   no specific import module is specified.  */
 
 
 
static bfd_boolean
 
xcoff_set_import_path (struct bfd_link_info *info,
 
                       struct xcoff_link_hash_entry *h,
 
                       const char *imppath, const char *impfile,
 
                       const char *impmember)
 
{
 
  unsigned int c;
 
  struct xcoff_import_file **pp;
 
 
 
  /* We overload the ldindx field to hold the l_ifile value for this
 
     symbol.  */
 
  BFD_ASSERT (h->ldsym == NULL);
 
  BFD_ASSERT ((h->flags & XCOFF_BUILT_LDSYM) == 0);
 
  if (imppath == NULL)
 
    h->ldindx = -1;
 
  else
 
    {
 
      /* We start c at 1 because the first entry in the import list is
 
         reserved for the library search path.  */
 
      for (pp = &xcoff_hash_table (info)->imports, c = 1;
 
           *pp != NULL;
 
           pp = &(*pp)->next, ++c)
 
        {
 
          if (strcmp ((*pp)->path, imppath) == 0
 
              && strcmp ((*pp)->file, impfile) == 0
 
              && strcmp ((*pp)->member, impmember) == 0)
 
            break;
 
        }
 
 
 
      if (*pp == NULL)
 
        {
 
          struct xcoff_import_file *n;
 
          bfd_size_type amt = sizeof (* n);
 
 
 
          n = bfd_alloc (info->output_bfd, amt);
 
          if (n == NULL)
 
            return FALSE;
 
          n->next = NULL;
 
          n->path = imppath;
 
          n->file = impfile;
 
          n->member = impmember;
 
          *pp = n;
 
        }
 
      h->ldindx = c;
 
    }
 
  return TRUE;
 
}
 

 
/* H is the bfd symbol associated with exported .loader symbol LDSYM.
 
   Return true if LDSYM defines H.  */
 
 
 
static bfd_boolean
 
xcoff_dynamic_definition_p (struct xcoff_link_hash_entry *h,
 
                            struct internal_ldsym *ldsym)
 
{
 
  /* If we didn't know about H before processing LDSYM, LDSYM
 
     definitely defines H.  */
 
  if (h->root.type == bfd_link_hash_new)
 
    return TRUE;
 
 
 
  /* If H is currently a weak dynamic symbol, and if LDSYM is a strong
 
     dynamic symbol, LDSYM trumps the current definition of H.  */
 
  if ((ldsym->l_smtype & L_WEAK) == 0
 
      && (h->flags & XCOFF_DEF_DYNAMIC) != 0
 
      && (h->flags & XCOFF_DEF_REGULAR) == 0
 
      && (h->root.type == bfd_link_hash_defweak
 
          || h->root.type == bfd_link_hash_undefweak))
 
    return TRUE;
 
 
 
  /* If H is currently undefined, LDSYM defines it.  */
 
  if ((h->flags & XCOFF_DEF_DYNAMIC) == 0
 
      && (h->root.type == bfd_link_hash_undefined
 
          || h->root.type == bfd_link_hash_undefweak))
 
    return TRUE;
 
 
 
  return FALSE;
 
}
 
 
/* This function is used to add symbols from a dynamic object to the
/* This function is used to add symbols from a dynamic object to the
   global symbol table.  */
   global symbol table.  */
 
 
static bfd_boolean
static bfd_boolean
xcoff_link_add_dynamic_symbols (bfd *abfd, struct bfd_link_info *info)
xcoff_link_add_dynamic_symbols (bfd *abfd, struct bfd_link_info *info)
Line 550... Line 823...
  bfd_byte *contents;
  bfd_byte *contents;
  struct internal_ldhdr ldhdr;
  struct internal_ldhdr ldhdr;
  const char *strings;
  const char *strings;
  bfd_byte *elsym, *elsymend;
  bfd_byte *elsym, *elsymend;
  struct xcoff_import_file *n;
  struct xcoff_import_file *n;
  const char *bname;
 
  const char *mname;
 
  const char *s;
 
  unsigned int c;
  unsigned int c;
  struct xcoff_import_file **pp;
  struct xcoff_import_file **pp;
 
 
  /* We can only handle a dynamic object if we are generating an XCOFF
  /* We can only handle a dynamic object if we are generating an XCOFF
     output file.  */
     output file.  */
Line 636... Line 906...
      h = xcoff_link_hash_lookup (xcoff_hash_table (info), name, TRUE,
      h = xcoff_link_hash_lookup (xcoff_hash_table (info), name, TRUE,
                                  TRUE, TRUE);
                                  TRUE, TRUE);
      if (h == NULL)
      if (h == NULL)
        return FALSE;
        return FALSE;
 
 
      h->flags |= XCOFF_DEF_DYNAMIC;
      if (!xcoff_dynamic_definition_p (h, &ldsym))
 
        continue;
      /* If the symbol is undefined, and the BFD it was found in is
 
         not a dynamic object, change the BFD to this dynamic object,
 
         so that we can get the correct import file ID.  */
 
      if ((h->root.type == bfd_link_hash_undefined
 
           || h->root.type == bfd_link_hash_undefweak)
 
          && (h->root.u.undef.abfd == NULL
 
              || (h->root.u.undef.abfd->flags & DYNAMIC) == 0))
 
        h->root.u.undef.abfd = abfd;
 
 
 
      if (h->root.type == bfd_link_hash_new)
 
        {
 
          h->root.type = bfd_link_hash_undefined;
 
          h->root.u.undef.abfd = abfd;
 
          /* We do not want to add this to the undefined symbol list.  */
 
        }
 
 
 
      if (h->smclas == XMC_UA
      h->flags |= XCOFF_DEF_DYNAMIC;
          || h->root.type == bfd_link_hash_undefined
 
          || h->root.type == bfd_link_hash_undefweak)
 
        h->smclas = ldsym.l_smclas;
        h->smclas = ldsym.l_smclas;
 
      if (h->smclas == XMC_XO)
      /* Unless this is an XMC_XO symbol, we don't bother to actually
 
         define it, since we don't have a section to put it in anyhow.
 
         Instead, the relocation routines handle the DEF_DYNAMIC flag
 
         correctly.  */
 
 
 
      if (h->smclas == XMC_XO
 
          && (h->root.type == bfd_link_hash_undefined
 
              || h->root.type == bfd_link_hash_undefweak))
 
        {
        {
          /* This symbol has an absolute value.  */
          /* This symbol has an absolute value.  */
 
          if ((ldsym.l_smtype & L_WEAK) != 0)
 
            h->root.type = bfd_link_hash_defweak;
 
          else
          h->root.type = bfd_link_hash_defined;
          h->root.type = bfd_link_hash_defined;
          h->root.u.def.section = bfd_abs_section_ptr;
          h->root.u.def.section = bfd_abs_section_ptr;
          h->root.u.def.value = ldsym.l_value;
          h->root.u.def.value = ldsym.l_value;
        }
        }
 
      else
 
        {
 
          /* Otherwise, we don't bother to actually define the symbol,
 
             since we don't have a section to put it in anyhow.
 
             We assume instead that an undefined XCOFF_DEF_DYNAMIC symbol
 
             should be imported from the symbol's undef.abfd.  */
 
          if ((ldsym.l_smtype & L_WEAK) != 0)
 
            h->root.type = bfd_link_hash_undefweak;
 
          else
 
            h->root.type = bfd_link_hash_undefined;
 
          h->root.u.undef.abfd = abfd;
 
        }
 
 
      /* If this symbol defines a function descriptor, then it
      /* If this symbol defines a function descriptor, then it
         implicitly defines the function code as well.  */
         implicitly defines the function code as well.  */
      if (h->smclas == XMC_DS
      if (h->smclas == XMC_DS
          || (h->smclas == XMC_XO && name[0] != '.'))
          || (h->smclas == XMC_XO && name[0] != '.'))
Line 699... Line 959...
                                            TRUE, TRUE, TRUE);
                                            TRUE, TRUE, TRUE);
              free (dsnm);
              free (dsnm);
              if (hds == NULL)
              if (hds == NULL)
                return FALSE;
                return FALSE;
 
 
              if (hds->root.type == bfd_link_hash_new)
 
                {
 
                  hds->root.type = bfd_link_hash_undefined;
 
                  hds->root.u.undef.abfd = abfd;
 
                  /* We do not want to add this to the undefined
 
                     symbol list.  */
 
                }
 
 
 
              hds->descriptor = h;
              hds->descriptor = h;
              h->descriptor = hds;
              h->descriptor = hds;
            }
            }
 
 
 
          if (xcoff_dynamic_definition_p (hds, &ldsym))
 
            {
 
              hds->root.type = h->root.type;
          hds->flags |= XCOFF_DEF_DYNAMIC;
          hds->flags |= XCOFF_DEF_DYNAMIC;
          if (hds->smclas == XMC_UA)
              if (h->smclas == XMC_XO)
            hds->smclas = XMC_PR;
                {
 
 
          /* An absolute symbol appears to actually define code, not a
          /* An absolute symbol appears to actually define code, not a
             function descriptor.  This is how some math functions are
             function descriptor.  This is how some math functions are
             implemented on AIX 4.1.  */
             implemented on AIX 4.1.  */
          if (h->smclas == XMC_XO
 
              && (hds->root.type == bfd_link_hash_undefined
 
                  || hds->root.type == bfd_link_hash_undefweak))
 
            {
 
              hds->smclas = XMC_XO;
              hds->smclas = XMC_XO;
              hds->root.type = bfd_link_hash_defined;
 
              hds->root.u.def.section = bfd_abs_section_ptr;
              hds->root.u.def.section = bfd_abs_section_ptr;
              hds->root.u.def.value = ldsym.l_value;
              hds->root.u.def.value = ldsym.l_value;
            }
            }
 
              else
 
                {
 
                  hds->smclas = XMC_PR;
 
                  hds->root.u.undef.abfd = abfd;
 
                  /* We do not want to add this to the undefined
 
                     symbol list.  */
 
                }
 
            }
        }
        }
    }
    }
 
 
  if (contents != NULL && ! coff_section_data (abfd, lsec)->keep_contents)
  if (contents != NULL && ! coff_section_data (abfd, lsec)->keep_contents)
    {
    {
Line 742... Line 999...
  n = bfd_alloc (abfd, (bfd_size_type) sizeof (struct xcoff_import_file));
  n = bfd_alloc (abfd, (bfd_size_type) sizeof (struct xcoff_import_file));
  if (n == NULL)
  if (n == NULL)
    return FALSE;
    return FALSE;
  n->next = NULL;
  n->next = NULL;
 
 
  /* For some reason, the path entry in the import file list for a
 
     shared object appears to always be empty.  The file name is the
 
     base name.  */
 
  n->path = "";
 
  if (abfd->my_archive == NULL)
  if (abfd->my_archive == NULL)
    {
    {
      bname = bfd_get_filename (abfd);
      if (!bfd_xcoff_split_import_path (abfd, abfd->filename,
      mname = "";
                                        &n->path, &n->file))
 
        return FALSE;
 
      n->member = "";
    }
    }
  else
  else
    {
    {
      bname = bfd_get_filename (abfd->my_archive);
      struct xcoff_archive_info *archive_info;
      mname = bfd_get_filename (abfd);
 
 
      archive_info = xcoff_get_archive_info (info, abfd->my_archive);
 
      if (!archive_info->impfile)
 
        {
 
          if (!bfd_xcoff_split_import_path (archive_info->archive,
 
                                            archive_info->archive->filename,
 
                                            &archive_info->imppath,
 
                                            &archive_info->impfile))
 
            return FALSE;
 
        }
 
      n->path = archive_info->imppath;
 
      n->file = archive_info->impfile;
 
      n->member = bfd_get_filename (abfd);
    }
    }
  s = strrchr (bname, '/');
 
  if (s != NULL)
 
    bname = s + 1;
 
  n->file = bname;
 
  n->member = mname;
 
 
 
  /* We start c at 1 because the first import file number is reserved
  /* We start c at 1 because the first import file number is reserved
     for LIBPATH.  */
     for LIBPATH.  */
  for (pp = &xcoff_hash_table (info)->imports, c = 1;
  for (pp = &xcoff_hash_table (info)->imports, c = 1;
       *pp != NULL;
       *pp != NULL;
Line 790... Line 1052...
    {
    {
      /* We need to build a .loader section, so we do it here.  This
      /* We need to build a .loader section, so we do it here.  This
         won't work if we're producing an XCOFF output file with no
         won't work if we're producing an XCOFF output file with no
         XCOFF input files.  FIXME.  */
         XCOFF input files.  FIXME.  */
 
 
      if (xcoff_hash_table (info)->loader_section == NULL)
      if (!info->relocatable
 
          && xcoff_hash_table (info)->loader_section == NULL)
        {
        {
          asection *lsec;
          asection *lsec;
          flagword flags = SEC_HAS_CONTENTS | SEC_IN_MEMORY;
          flagword flags = SEC_HAS_CONTENTS | SEC_IN_MEMORY;
 
 
          lsec = bfd_make_section_anyway_with_flags (abfd, ".loader", flags);
          lsec = bfd_make_section_anyway_with_flags (abfd, ".loader", flags);
Line 945... Line 1208...
  unsigned int n_btshft;
  unsigned int n_btshft;
  bfd_boolean default_copy;
  bfd_boolean default_copy;
  bfd_size_type symcount;
  bfd_size_type symcount;
  struct xcoff_link_hash_entry **sym_hash;
  struct xcoff_link_hash_entry **sym_hash;
  asection **csect_cache;
  asection **csect_cache;
 
  unsigned int *lineno_counts;
  bfd_size_type linesz;
  bfd_size_type linesz;
  asection *o;
  asection *o;
  asection *last_real;
  asection *last_real;
  bfd_boolean keep_syms;
  bfd_boolean keep_syms;
  asection *csect;
  asection *csect;
Line 1011... Line 1275...
  csect_cache = bfd_zalloc (abfd, amt);
  csect_cache = bfd_zalloc (abfd, amt);
  if (csect_cache == NULL && symcount != 0)
  if (csect_cache == NULL && symcount != 0)
    goto error_return;
    goto error_return;
  xcoff_data (abfd)->csects = csect_cache;
  xcoff_data (abfd)->csects = csect_cache;
 
 
 
  /* We garbage-collect line-number information on a symbol-by-symbol
 
     basis, so we need to have quick access to the number of entries
 
     per symbol.  */
 
  amt = symcount * sizeof (unsigned int);
 
  lineno_counts = bfd_zalloc (abfd, amt);
 
  if (lineno_counts == NULL && symcount != 0)
 
    goto error_return;
 
  xcoff_data (abfd)->lineno_counts = lineno_counts;
 
 
  /* While splitting sections into csects, we need to assign the
  /* While splitting sections into csects, we need to assign the
     relocs correctly.  The relocs and the csects must both be in
     relocs correctly.  The relocs and the csects must both be in
     order by VMA within a given section, so we handle this by
     order by VMA within a given section, so we handle this by
     scanning along the relocs as we process the csects.  We index
     scanning along the relocs as we process the csects.  We index
     into reloc_info using the section target_index.  */
     into reloc_info using the section target_index.  */
Line 1075... Line 1348...
      struct internal_syment sym;
      struct internal_syment sym;
      union internal_auxent aux;
      union internal_auxent aux;
      const char *name;
      const char *name;
      char buf[SYMNMLEN + 1];
      char buf[SYMNMLEN + 1];
      int smtyp;
      int smtyp;
      flagword flags;
 
      asection *section;
      asection *section;
      bfd_vma value;
      bfd_vma value;
      struct xcoff_link_hash_entry *set_toc;
      struct xcoff_link_hash_entry *set_toc;
 
 
      bfd_coff_swap_sym_in (abfd, (void *) esym, (void *) &sym);
      bfd_coff_swap_sym_in (abfd, (void *) esym, (void *) &sym);
 
 
      /* In this pass we are only interested in symbols with csect
      /* In this pass we are only interested in symbols with csect
         information.  */
         information.  */
      if (sym.n_sclass != C_EXT && sym.n_sclass != C_HIDEXT)
      if (!CSECT_SYM_P (sym.n_sclass))
        {
        {
          /* Set csect_cache,
          /* Set csect_cache,
             Normally csect is a .pr, .rw  etc. created in the loop
             Normally csect is a .pr, .rw  etc. created in the loop
             If C_FILE or first time, handle special
             If C_FILE or first time, handle special
 
 
             Advance esym, sym_hash, csect_hash ptr's
             Advance esym, sym_hash, csect_hash ptrs.  */
             Keep track of the last_symndx for the current file.  */
          if (sym.n_sclass == C_FILE)
          if (sym.n_sclass == C_FILE && csect != NULL)
 
            {
 
              xcoff_section_data (abfd, csect)->last_symndx =
 
                ((esym
 
                  - (bfd_byte *) obj_coff_external_syms (abfd))
 
                 / symesz);
 
              csect = NULL;
              csect = NULL;
            }
 
 
 
          if (csect != NULL)
          if (csect != NULL)
            *csect_cache = csect;
            *csect_cache = csect;
          else if (first_csect == NULL || sym.n_sclass == C_FILE)
          else if (first_csect == NULL || sym.n_sclass == C_FILE)
            *csect_cache = coff_section_from_bfd_index (abfd, sym.n_scnum);
            *csect_cache = coff_section_from_bfd_index (abfd, sym.n_scnum);
          else
          else
            *csect_cache = NULL;
            *csect_cache = NULL;
          esym += (sym.n_numaux + 1) * symesz;
          esym += (sym.n_numaux + 1) * symesz;
          sym_hash += sym.n_numaux + 1;
          sym_hash += sym.n_numaux + 1;
          csect_cache += sym.n_numaux + 1;
          csect_cache += sym.n_numaux + 1;
 
          lineno_counts += sym.n_numaux + 1;
 
 
          continue;
          continue;
        }
        }
 
 
      name = _bfd_coff_internal_syment_name (abfd, &sym, buf);
      name = _bfd_coff_internal_syment_name (abfd, &sym, buf);
Line 1180... Line 1445...
                          bfd_coff_swap_lineno_in (abfd, (void *) linp,
                          bfd_coff_swap_lineno_in (abfd, (void *) linp,
                                                   (void *) &lin);
                                                   (void *) &lin);
                          if (lin.l_lnno == 0)
                          if (lin.l_lnno == 0)
                            break;
                            break;
                        }
                        }
                      csect->lineno_count += (linp - linpstart) / linesz;
                      *lineno_counts = (linp - linpstart) / linesz;
                      /* The setting of line_filepos will only be
                      /* The setting of line_filepos will only be
                         useful if all the line number entries for a
                         useful if all the line number entries for a
                         csect are contiguous; this only matters for
                         csect are contiguous; this only matters for
                         error reporting.  */
                         error reporting.  */
                      if (csect->line_filepos == 0)
                      if (csect->line_filepos == 0)
Line 1211... Line 1476...
                            sym.n_numaux - 1, sym.n_numaux,
                            sym.n_numaux - 1, sym.n_numaux,
                            (void *) &aux);
                            (void *) &aux);
 
 
      smtyp = SMTYP_SMTYP (aux.x_csect.x_smtyp);
      smtyp = SMTYP_SMTYP (aux.x_csect.x_smtyp);
 
 
      flags = BSF_GLOBAL;
 
      section = NULL;
      section = NULL;
      value = 0;
      value = 0;
      set_toc = NULL;
      set_toc = NULL;
 
 
      switch (smtyp)
      switch (smtyp)
Line 1251... Line 1515...
              value = sym.n_value;
              value = sym.n_value;
            }
            }
          break;
          break;
 
 
        case XTY_SD:
        case XTY_SD:
          /* This is a csect definition.  */
 
          if (csect != NULL)
 
            {
 
              xcoff_section_data (abfd, csect)->last_symndx =
 
                ((esym - (bfd_byte *) obj_coff_external_syms (abfd)) / symesz);
 
            }
 
 
 
          csect = NULL;
          csect = NULL;
          csect_index = -(unsigned) 1;
          csect_index = -(unsigned) 1;
 
 
          /* When we see a TOC anchor, we record the TOC value.  */
          /* When we see a TOC anchor, we record the TOC value.  */
          if (aux.x_csect.x_smclas == XMC_TC0)
          if (aux.x_csect.x_smclas == XMC_TC0)
Line 1329... Line 1586...
                  struct internal_syment relsym;
                  struct internal_syment relsym;
 
 
                  erelsym = ((bfd_byte *) obj_coff_external_syms (abfd)
                  erelsym = ((bfd_byte *) obj_coff_external_syms (abfd)
                             + rel->r_symndx * symesz);
                             + rel->r_symndx * symesz);
                  bfd_coff_swap_sym_in (abfd, (void *) erelsym, (void *) &relsym);
                  bfd_coff_swap_sym_in (abfd, (void *) erelsym, (void *) &relsym);
                  if (relsym.n_sclass == C_EXT)
                  if (EXTERN_SYM_P (relsym.n_sclass))
                    {
                    {
                      const char *relname;
                      const char *relname;
                      char relbuf[SYMNMLEN + 1];
                      char relbuf[SYMNMLEN + 1];
                      bfd_boolean copy;
                      bfd_boolean copy;
                      struct xcoff_link_hash_entry *h;
                      struct xcoff_link_hash_entry *h;
Line 1484... Line 1741...
            xcoff_section_data (abfd, csect)->first_symndx = csect_index;
            xcoff_section_data (abfd, csect)->first_symndx = csect_index;
 
 
            if (first_csect == NULL)
            if (first_csect == NULL)
              first_csect = csect;
              first_csect = csect;
 
 
            /* If this symbol is C_EXT, we treat it as starting at the
            /* If this symbol is external, we treat it as starting at the
               beginning of the newly created section.  */
               beginning of the newly created section.  */
            if (sym.n_sclass == C_EXT)
            if (EXTERN_SYM_P (sym.n_sclass))
              {
              {
                section = csect;
                section = csect;
                value = 0;
                value = 0;
              }
              }
 
 
Line 1539... Line 1796...
             an XMC_TD symbol.  If this csect is externally visible,
             an XMC_TD symbol.  If this csect is externally visible,
             it is a common symbol.  We put XMC_TD symbols in sections
             it is a common symbol.  We put XMC_TD symbols in sections
             named .tocbss, and rely on the linker script to put that
             named .tocbss, and rely on the linker script to put that
             in the TOC area.  */
             in the TOC area.  */
 
 
          if (csect != NULL)
 
            {
 
              xcoff_section_data (abfd, csect)->last_symndx =
 
                ((esym
 
                  - (bfd_byte *) obj_coff_external_syms (abfd))
 
                 / symesz);
 
            }
 
 
 
          if (aux.x_csect.x_smclas == XMC_TD)
          if (aux.x_csect.x_smclas == XMC_TD)
            {
            {
              /* The linker script puts the .td section in the data
              /* The linker script puts the .td section in the data
                 section after the .tc section.  */
                 section after the .tc section.  */
              csect = bfd_make_section_anyway_with_flags (abfd, ".td",
              csect = bfd_make_section_anyway_with_flags (abfd, ".td",
Line 1583... Line 1832...
          xcoff_section_data (abfd, csect)->first_symndx = csect_index;
          xcoff_section_data (abfd, csect)->first_symndx = csect_index;
 
 
          if (first_csect == NULL)
          if (first_csect == NULL)
            first_csect = csect;
            first_csect = csect;
 
 
          if (sym.n_sclass == C_EXT)
          if (EXTERN_SYM_P (sym.n_sclass))
            {
            {
              csect->flags |= SEC_IS_COMMON;
              csect->flags |= SEC_IS_COMMON;
              csect->size = 0;
              csect->size = 0;
              section = csect;
              section = csect;
              value = aux.x_csect.x_scnlen.l;
              value = aux.x_csect.x_scnlen.l;
Line 1624... Line 1873...
        }
        }
 
 
      /* Now we have enough information to add the symbol to the
      /* Now we have enough information to add the symbol to the
         linker hash table.  */
         linker hash table.  */
 
 
      if (sym.n_sclass == C_EXT)
      if (EXTERN_SYM_P (sym.n_sclass))
        {
        {
          bfd_boolean copy;
          bfd_boolean copy;
 
          flagword flags;
 
 
          BFD_ASSERT (section != NULL);
          BFD_ASSERT (section != NULL);
 
 
          /* We must copy the name into memory if we got it from the
          /* We must copy the name into memory if we got it from the
             syment itself, rather than the string table.  */
             syment itself, rather than the string table.  */
          copy = default_copy;
          copy = default_copy;
          if (sym._n._n_n._n_zeroes != 0
          if (sym._n._n_n._n_zeroes != 0
              || sym._n._n_n._n_offset == 0)
              || sym._n._n_n._n_offset == 0)
            copy = TRUE;
            copy = TRUE;
 
 
 
          /* Ignore global linkage code when linking statically.  */
 
          if (info->static_link
 
              && (smtyp == XTY_SD || smtyp == XTY_LD)
 
              && aux.x_csect.x_smclas == XMC_GL)
 
            {
 
              section = bfd_und_section_ptr;
 
              value = 0;
 
            }
 
 
          /* The AIX linker appears to only detect multiple symbol
          /* The AIX linker appears to only detect multiple symbol
             definitions when there is a reference to the symbol.  If
             definitions when there is a reference to the symbol.  If
             a symbol is defined multiple times, and the only
             a symbol is defined multiple times, and the only
             references are from the same object file, the AIX linker
             references are from the same object file, the AIX linker
             appears to permit it.  It does not merge the different
             appears to permit it.  It does not merge the different
Line 1661... Line 1920...
             collection discard symbols.
             collection discard symbols.
 
 
             We also have to handle the case of statically linking a
             We also have to handle the case of statically linking a
             shared object, which will cause symbol redefinitions,
             shared object, which will cause symbol redefinitions,
             although this is an easier case to detect.  */
             although this is an easier case to detect.  */
 
          else if (info->output_bfd->xvec == abfd->xvec)
          if (info->output_bfd->xvec == abfd->xvec)
 
            {
            {
              if (! bfd_is_und_section (section))
              if (! bfd_is_und_section (section))
                *sym_hash = xcoff_link_hash_lookup (xcoff_hash_table (info),
                *sym_hash = xcoff_link_hash_lookup (xcoff_hash_table (info),
                                                    name, TRUE, copy, FALSE);
                                                    name, TRUE, copy, FALSE);
              else
              else
Line 1682... Line 1940...
                   || (*sym_hash)->root.type == bfd_link_hash_defweak)
                   || (*sym_hash)->root.type == bfd_link_hash_defweak)
                  && ! bfd_is_und_section (section)
                  && ! bfd_is_und_section (section)
                  && ! bfd_is_com_section (section))
                  && ! bfd_is_com_section (section))
                {
                {
                  /* This is a second definition of a defined symbol.  */
                  /* This is a second definition of a defined symbol.  */
                  if ((abfd->flags & DYNAMIC) != 0
                  if (((*sym_hash)->flags & XCOFF_DEF_REGULAR) == 0
                      && ((*sym_hash)->smclas != XMC_GL
                      && ((*sym_hash)->flags & XCOFF_DEF_DYNAMIC) != 0)
                          || aux.x_csect.x_smclas == XMC_GL
 
                          || ((*sym_hash)->root.u.def.section->owner->flags
 
                              & DYNAMIC) == 0))
 
                    {
 
                      /* The new symbol is from a shared library, and
 
                         either the existing symbol is not global
 
                         linkage code or this symbol is global linkage
 
                         code.  If the existing symbol is global
 
                         linkage code and the new symbol is not, then
 
                         we want to use the new symbol.  */
 
                      section = bfd_und_section_ptr;
 
                      value = 0;
 
                    }
 
                  else if (((*sym_hash)->root.u.def.section->owner->flags
 
                            & DYNAMIC) != 0)
 
                    {
                    {
                      /* The existing symbol is from a shared library.
                      /* The existing symbol is from a shared library.
                         Replace it.  */
                         Replace it.  */
                      (*sym_hash)->root.type = bfd_link_hash_undefined;
                      (*sym_hash)->root.type = bfd_link_hash_undefined;
                      (*sym_hash)->root.u.undef.abfd =
                      (*sym_hash)->root.u.undef.abfd =
Line 1714... Line 1957...
                         in an archive.  Just ignore it.  See the
                         in an archive.  Just ignore it.  See the
                         comment above.  */
                         comment above.  */
                      section = bfd_und_section_ptr;
                      section = bfd_und_section_ptr;
                      value = 0;
                      value = 0;
                    }
                    }
 
                  else if (sym.n_sclass == C_AIX_WEAKEXT
 
                           || (*sym_hash)->root.type == bfd_link_hash_defweak)
 
                    {
 
                      /* At least one of the definitions is weak.
 
                         Allow the normal rules to take effect.  */
 
                    }
                  else if ((*sym_hash)->root.u.undef.next != NULL
                  else if ((*sym_hash)->root.u.undef.next != NULL
                           || info->hash->undefs_tail == &(*sym_hash)->root)
                           || info->hash->undefs_tail == &(*sym_hash)->root)
                    {
                    {
                      /* This symbol has been referenced.  In this
                      /* This symbol has been referenced.  In this
                         case, we just continue and permit the
                         case, we just continue and permit the
Line 1733... Line 1982...
                      value = 0;
                      value = 0;
                      (*sym_hash)->flags |= XCOFF_MULTIPLY_DEFINED;
                      (*sym_hash)->flags |= XCOFF_MULTIPLY_DEFINED;
                    }
                    }
                }
                }
              else if (((*sym_hash)->flags & XCOFF_MULTIPLY_DEFINED) != 0
              else if (((*sym_hash)->flags & XCOFF_MULTIPLY_DEFINED) != 0
                       && ((*sym_hash)->root.type == bfd_link_hash_defined
                       && (*sym_hash)->root.type == bfd_link_hash_defined
                           || (*sym_hash)->root.type == bfd_link_hash_defweak)
 
                       && (bfd_is_und_section (section)
                       && (bfd_is_und_section (section)
                           || bfd_is_com_section (section)))
                           || bfd_is_com_section (section)))
                {
                {
                  /* This is a reference to a multiply defined symbol.
                  /* This is a reference to a multiply defined symbol.
                     Report the error now.  See the comment above
                     Report the error now.  See the comment above
Line 1769... Line 2017...
             correctly, so temporarily clobber the link to the csects
             correctly, so temporarily clobber the link to the csects
             so that the linker will not try to read the line numbers
             so that the linker will not try to read the line numbers
             a second time from the csects.  */
             a second time from the csects.  */
          BFD_ASSERT (last_real->next == first_csect);
          BFD_ASSERT (last_real->next == first_csect);
          last_real->next = NULL;
          last_real->next = NULL;
 
          flags = (sym.n_sclass == C_EXT ? BSF_GLOBAL : BSF_WEAK);
          if (! (_bfd_generic_link_add_one_symbol
          if (! (_bfd_generic_link_add_one_symbol
                 (info, abfd, name, flags, section, value,
                 (info, abfd, name, flags, section, value,
                  NULL, copy, TRUE,
                  NULL, copy, TRUE,
                  (struct bfd_link_hash_entry **) sym_hash)))
                  (struct bfd_link_hash_entry **) sym_hash)))
            goto error_return;
            goto error_return;
Line 1791... Line 2040...
 
 
          if (info->output_bfd->xvec == abfd->xvec)
          if (info->output_bfd->xvec == abfd->xvec)
            {
            {
              int flag;
              int flag;
 
 
              if (smtyp == XTY_ER || smtyp == XTY_CM)
              if (smtyp == XTY_ER
 
                  || smtyp == XTY_CM
 
                  || section == bfd_und_section_ptr)
                flag = XCOFF_REF_REGULAR;
                flag = XCOFF_REF_REGULAR;
              else
              else
                flag = XCOFF_DEF_REGULAR;
                flag = XCOFF_DEF_REGULAR;
              (*sym_hash)->flags |= flag;
              (*sym_hash)->flags |= flag;
 
 
Line 1803... Line 2054...
                  || flag == XCOFF_DEF_REGULAR)
                  || flag == XCOFF_DEF_REGULAR)
                (*sym_hash)->smclas = aux.x_csect.x_smclas;
                (*sym_hash)->smclas = aux.x_csect.x_smclas;
            }
            }
        }
        }
 
 
 
      if (smtyp == XTY_ER)
 
        *csect_cache = section;
 
      else
 
        {
      *csect_cache = csect;
      *csect_cache = csect;
 
          if (csect != NULL)
 
            xcoff_section_data (abfd, csect)->last_symndx
 
              = (esym - (bfd_byte *) obj_coff_external_syms (abfd)) / symesz;
 
        }
 
 
      esym += (sym.n_numaux + 1) * symesz;
      esym += (sym.n_numaux + 1) * symesz;
      sym_hash += sym.n_numaux + 1;
      sym_hash += sym.n_numaux + 1;
      csect_cache += sym.n_numaux + 1;
      csect_cache += sym.n_numaux + 1;
 
      lineno_counts += sym.n_numaux + 1;
    }
    }
 
 
  BFD_ASSERT (last_real == NULL || last_real->next == first_csect);
  BFD_ASSERT (last_real == NULL || last_real->next == first_csect);
 
 
  /* Make sure that we have seen all the relocs.  */
  /* Make sure that we have seen all the relocs.  */
Line 1843... Line 2103...
                     abfd, o->name, i);
                     abfd, o->name, i);
                  bfd_set_error (bfd_error_bad_value);
                  bfd_set_error (bfd_error_bad_value);
                  goto error_return;
                  goto error_return;
                }
                }
 
 
              /* We identify all symbols which are called, so that we
              /* We identify all function symbols that are the target
                 can create glue code for calls to functions imported
                 of a relocation, so that we can create glue code for
                 from dynamic objects.  */
                 functions imported from dynamic objects.  */
              if (info->output_bfd->xvec == abfd->xvec
              if (info->output_bfd->xvec == abfd->xvec
                  && *rel_csect != bfd_und_section_ptr
                  && *rel_csect != bfd_und_section_ptr
                  && (rel->r_type == R_BR
 
                      || rel->r_type == R_RBR)
 
                  && obj_xcoff_sym_hashes (abfd)[rel->r_symndx] != NULL)
                  && obj_xcoff_sym_hashes (abfd)[rel->r_symndx] != NULL)
                {
                {
                  struct xcoff_link_hash_entry *h;
                  struct xcoff_link_hash_entry *h;
 
 
                  h = obj_xcoff_sym_hashes (abfd)[rel->r_symndx];
                  h = obj_xcoff_sym_hashes (abfd)[rel->r_symndx];
                  h->flags |= XCOFF_CALLED;
 
                  /* If the symbol name starts with a period, it is
                  /* If the symbol name starts with a period, it is
                     the code of a function.  If the symbol is
                     the code of a function.  If the symbol is
                     currently undefined, then add an undefined symbol
                     currently undefined, then add an undefined symbol
                     for the function descriptor.  This should do no
                     for the function descriptor.  This should do no
                     harm, because any regular object that defines the
                     harm, because any regular object that defines the
Line 1888... Line 2145...
                                  TRUE, &bh)))
                                  TRUE, &bh)))
                            goto error_return;
                            goto error_return;
                          hds = (struct xcoff_link_hash_entry *) bh;
                          hds = (struct xcoff_link_hash_entry *) bh;
                        }
                        }
                      hds->flags |= XCOFF_DESCRIPTOR;
                      hds->flags |= XCOFF_DESCRIPTOR;
                      BFD_ASSERT ((hds->flags & XCOFF_CALLED) == 0
                      BFD_ASSERT ((h->flags & XCOFF_DESCRIPTOR) == 0);
                                  && (h->flags & XCOFF_DESCRIPTOR) == 0);
 
                      hds->descriptor = h;
                      hds->descriptor = h;
                      h->descriptor = hds;
                      h->descriptor = hds;
                    }
                    }
 
                  if (h->root.root.string[0] == '.')
 
                    h->flags |= XCOFF_CALLED;
                }
                }
            }
            }
 
 
          free (reloc_info[o->target_index].csects);
          free (reloc_info[o->target_index].csects);
          reloc_info[o->target_index].csects = NULL;
          reloc_info[o->target_index].csects = NULL;
Line 2076... Line 2334...
    {
    {
      struct internal_syment sym;
      struct internal_syment sym;
 
 
      bfd_coff_swap_sym_in (abfd, (void *) esym, (void *) &sym);
      bfd_coff_swap_sym_in (abfd, (void *) esym, (void *) &sym);
 
 
      if (sym.n_sclass == C_EXT && sym.n_scnum != N_UNDEF)
      if (EXTERN_SYM_P (sym.n_sclass) && sym.n_scnum != N_UNDEF)
        {
        {
          const char *name;
          const char *name;
          char buf[SYMNMLEN + 1];
          char buf[SYMNMLEN + 1];
          struct bfd_link_hash_entry *h;
          struct bfd_link_hash_entry *h;
 
 
Line 2125... Line 2383...
static bfd_boolean
static bfd_boolean
xcoff_link_check_archive_element (bfd *abfd,
xcoff_link_check_archive_element (bfd *abfd,
                                  struct bfd_link_info *info,
                                  struct bfd_link_info *info,
                                  bfd_boolean *pneeded)
                                  bfd_boolean *pneeded)
{
{
 
  bfd_boolean keep_syms_p;
 
 
 
  keep_syms_p = (obj_coff_external_syms (abfd) != NULL);
  if (! _bfd_coff_get_external_symbols (abfd))
  if (! _bfd_coff_get_external_symbols (abfd))
    return FALSE;
    return FALSE;
 
 
  if (! xcoff_link_check_ar_symbols (abfd, info, pneeded))
  if (! xcoff_link_check_ar_symbols (abfd, info, pneeded))
    return FALSE;
    return FALSE;
 
 
  if (*pneeded)
  if (*pneeded)
    {
    {
      if (! xcoff_link_add_symbols (abfd, info))
      if (! xcoff_link_add_symbols (abfd, info))
        return FALSE;
        return FALSE;
 
      if (info->keep_memory)
 
        keep_syms_p = TRUE;
    }
    }
 
 
  if (! info->keep_memory || ! *pneeded)
  if (!keep_syms_p)
    {
    {
      if (! _bfd_coff_free_symbols (abfd))
      if (! _bfd_coff_free_symbols (abfd))
        return FALSE;
        return FALSE;
    }
    }
 
 
Line 2201... Line 2464...
      bfd_set_error (bfd_error_wrong_format);
      bfd_set_error (bfd_error_wrong_format);
      return FALSE;
      return FALSE;
    }
    }
}
}


/* Mark a symbol as not being garbage, including the section in which
bfd_boolean
   it is defined.  */
_bfd_xcoff_define_common_symbol (bfd *output_bfd ATTRIBUTE_UNUSED,
 
                                 struct bfd_link_info *info ATTRIBUTE_UNUSED,
static inline bfd_boolean
                                 struct bfd_link_hash_entry *harg)
xcoff_mark_symbol (struct bfd_link_info *info, struct xcoff_link_hash_entry *h)
 
{
 
  if ((h->flags & XCOFF_MARK) != 0)
 
    return TRUE;
 
 
 
  h->flags |= XCOFF_MARK;
 
  if (h->root.type == bfd_link_hash_defined
 
      || h->root.type == bfd_link_hash_defweak)
 
    {
    {
      asection *hsec;
  struct xcoff_link_hash_entry *h;
 
 
      hsec = h->root.u.def.section;
  if (!bfd_generic_define_common_symbol (output_bfd, info, harg))
      if (! bfd_is_abs_section (hsec)
 
          && (hsec->flags & SEC_MARK) == 0)
 
        {
 
          if (! xcoff_mark (info, hsec))
 
            return FALSE;
            return FALSE;
 
 
 
  h = (struct xcoff_link_hash_entry *) harg;
 
  h->flags |= XCOFF_DEF_REGULAR;
 
  return TRUE;
        }
        }
    }

 
/* If symbol H has not been interpreted as a function descriptor,
 
   see whether it should be.  Set up its descriptor information if so.  */
 
 
  if (h->toc_section != NULL
static bfd_boolean
      && (h->toc_section->flags & SEC_MARK) == 0)
xcoff_find_function (struct bfd_link_info *info,
 
                     struct xcoff_link_hash_entry *h)
 
{
 
  if ((h->flags & XCOFF_DESCRIPTOR) == 0
 
      && h->root.root.string[0] != '.')
 
    {
 
      char *fnname;
 
      struct xcoff_link_hash_entry *hfn;
 
      bfd_size_type amt;
 
 
 
      amt = strlen (h->root.root.string) + 2;
 
      fnname = bfd_malloc (amt);
 
      if (fnname == NULL)
 
        return FALSE;
 
      fnname[0] = '.';
 
      strcpy (fnname + 1, h->root.root.string);
 
      hfn = xcoff_link_hash_lookup (xcoff_hash_table (info),
 
                                    fnname, FALSE, FALSE, TRUE);
 
      free (fnname);
 
      if (hfn != NULL
 
          && hfn->smclas == XMC_PR
 
          && (hfn->root.type == bfd_link_hash_defined
 
              || hfn->root.type == bfd_link_hash_defweak))
 
        {
 
          h->flags |= XCOFF_DESCRIPTOR;
 
          h->descriptor = hfn;
 
          hfn->descriptor = h;
 
        }
 
    }
 
  return TRUE;
 
}
 

 
/* Return true if the given bfd contains at least one shared object.  */
 
 
 
static bfd_boolean
 
xcoff_archive_contains_shared_object_p (struct bfd_link_info *info,
 
                                        bfd *archive)
 
{
 
  struct xcoff_archive_info *archive_info;
 
  bfd *member;
 
 
 
  archive_info = xcoff_get_archive_info (info, archive);
 
  if (!archive_info->know_contains_shared_object_p)
 
    {
 
      member = bfd_openr_next_archived_file (archive, NULL);
 
      while (member != NULL && (member->flags & DYNAMIC) == 0)
 
        member = bfd_openr_next_archived_file (archive, member);
 
 
 
      archive_info->contains_shared_object_p = (member != NULL);
 
      archive_info->know_contains_shared_object_p = 1;
 
    }
 
  return archive_info->contains_shared_object_p;
 
}
 
 
 
/* Symbol H qualifies for export by -bexpfull.  Return true if it also
 
   qualifies for export by -bexpall.  */
 
 
 
static bfd_boolean
 
xcoff_covered_by_expall_p (struct xcoff_link_hash_entry *h)
 
{
 
  /* Exclude symbols beginning with '_'.  */
 
  if (h->root.root.string[0] == '_')
 
    return FALSE;
 
 
 
  /* Exclude archive members that would otherwise be unreferenced.  */
 
  if ((h->flags & XCOFF_MARK) == 0
 
      && (h->root.type == bfd_link_hash_defined
 
          || h->root.type == bfd_link_hash_defweak)
 
      && h->root.u.def.section->owner != NULL
 
      && h->root.u.def.section->owner->my_archive != NULL)
 
    return FALSE;
 
 
 
  return TRUE;
 
}
 
 
 
/* Return true if symbol H qualifies for the forms of automatic export
 
   specified by AUTO_EXPORT_FLAGS.  */
 
 
 
static bfd_boolean
 
xcoff_auto_export_p (struct bfd_link_info *info,
 
                     struct xcoff_link_hash_entry *h,
 
                     unsigned int auto_export_flags)
 
{
 
  /* Don't automatically export things that were explicitly exported.  */
 
  if ((h->flags & XCOFF_EXPORT) != 0)
 
    return FALSE;
 
 
 
  /* Don't export things that we don't define.  */
 
  if ((h->flags & XCOFF_DEF_REGULAR) == 0)
 
    return FALSE;
 
 
 
  /* Don't export functions; export their descriptors instead.  */
 
  if (h->root.root.string[0] == '.')
 
    return FALSE;
 
 
 
  /* We don't export a symbol which is being defined by an object
 
     included from an archive which contains a shared object.  The
 
     rationale is that if an archive contains both an unshared and
 
     a shared object, then there must be some reason that the
 
     unshared object is unshared, and we don't want to start
 
     providing a shared version of it.  In particular, this solves
 
     a bug involving the _savefNN set of functions.  gcc will call
 
     those functions without providing a slot to restore the TOC,
 
     so it is essential that these functions be linked in directly
 
     and not from a shared object, which means that a shared
 
     object which also happens to link them in must not export
 
     them.  This is confusing, but I haven't been able to think of
 
     a different approach.  Note that the symbols can, of course,
 
     be exported explicitly.  */
 
  if (h->root.type == bfd_link_hash_defined
 
      || h->root.type == bfd_link_hash_defweak)
 
    {
 
      bfd *owner;
 
 
 
      owner = h->root.u.def.section->owner;
 
      if (owner != NULL
 
          && owner->my_archive != NULL
 
          && xcoff_archive_contains_shared_object_p (info, owner->my_archive))
 
        return FALSE;
 
    }
 
 
 
  /* Otherwise, all symbols are exported by -bexpfull.  */
 
  if ((auto_export_flags & XCOFF_EXPFULL) != 0)
 
    return TRUE;
 
 
 
  /* Despite its name, -bexpall exports most but not all symbols.  */
 
  if ((auto_export_flags & XCOFF_EXPALL) != 0
 
      && xcoff_covered_by_expall_p (h))
 
    return TRUE;
 
 
 
  return FALSE;
 
}
 

 
/* Return true if relocation REL needs to be copied to the .loader section.
 
   If REL is against a global symbol, H is that symbol, otherwise it
 
   is null.  */
 
 
 
static bfd_boolean
 
xcoff_need_ldrel_p (struct bfd_link_info *info, struct internal_reloc *rel,
 
                    struct xcoff_link_hash_entry *h)
 
{
 
  if (!xcoff_hash_table (info)->loader_section)
 
    return FALSE;
 
 
 
  switch (rel->r_type)
 
    {
 
    case R_TOC:
 
    case R_GL:
 
    case R_TCL:
 
    case R_TRL:
 
    case R_TRLA:
 
      /* We should never need a .loader reloc for a TOC-relative reloc.  */
 
      return FALSE;
 
 
 
    default:
 
      /* In this case, relocations against defined symbols can be resolved
 
         statically.  */
 
      if (h == NULL
 
          || h->root.type == bfd_link_hash_defined
 
          || h->root.type == bfd_link_hash_defweak
 
          || h->root.type == bfd_link_hash_common)
 
        return FALSE;
 
 
 
      /* We will always provide a local definition of function symbols,
 
         even if we don't have one yet.  */
 
      if ((h->flags & XCOFF_CALLED) != 0)
 
        return FALSE;
 
 
 
      return TRUE;
 
 
 
    case R_POS:
 
    case R_NEG:
 
    case R_RL:
 
    case R_RLA:
 
      /* Absolute relocations against absolute symbols can be
 
         resolved statically.  */
 
      if (h != NULL
 
          && (h->root.type == bfd_link_hash_defined
 
              || h->root.type == bfd_link_hash_defweak)
 
          && bfd_is_abs_section (h->root.u.def.section))
 
        return FALSE;
 
 
 
      return TRUE;
 
    }
 
}
 

 
/* Mark a symbol as not being garbage, including the section in which
 
   it is defined.  */
 
 
 
static inline bfd_boolean
 
xcoff_mark_symbol (struct bfd_link_info *info, struct xcoff_link_hash_entry *h)
 
{
 
  if ((h->flags & XCOFF_MARK) != 0)
 
    return TRUE;
 
 
 
  h->flags |= XCOFF_MARK;
 
 
 
  /* If we're marking an undefined symbol, try find some way of
 
     defining it.  */
 
  if (!info->relocatable
 
      && (h->flags & XCOFF_IMPORT) == 0
 
      && (h->flags & XCOFF_DEF_REGULAR) == 0
 
      && (h->root.type == bfd_link_hash_undefined
 
          || h->root.type == bfd_link_hash_undefweak))
 
    {
 
      /* First check whether this symbol can be interpreted as an
 
         undefined function descriptor for a defined function symbol.  */
 
      if (!xcoff_find_function (info, h))
 
        return FALSE;
 
 
 
      if ((h->flags & XCOFF_DESCRIPTOR) != 0
 
          && (h->descriptor->root.type == bfd_link_hash_defined
 
              || h->descriptor->root.type == bfd_link_hash_defweak))
 
        {
 
          /* This is a descriptor for a defined symbol, but the input
 
             objects have not defined the descriptor itself.  Fill in
 
             the definition automatically.
 
 
 
             Note that we do this even if we found a dynamic definition
 
             of H.  The local function definition logically overrides
 
             the dynamic one.  */
 
          asection *sec;
 
 
 
          sec = xcoff_hash_table (info)->descriptor_section;
 
          h->root.type = bfd_link_hash_defined;
 
          h->root.u.def.section = sec;
 
          h->root.u.def.value = sec->size;
 
          h->smclas = XMC_DS;
 
          h->flags |= XCOFF_DEF_REGULAR;
 
 
 
          /* The size of the function descriptor depends on whether this
 
             is xcoff32 (12) or xcoff64 (24).  */
 
          sec->size += bfd_xcoff_function_descriptor_size (sec->owner);
 
 
 
          /* A function descriptor uses two relocs: one for the
 
             associated code, and one for the TOC address.  */
 
          xcoff_hash_table (info)->ldrel_count += 2;
 
          sec->reloc_count += 2;
 
 
 
          /* Mark the function itself.  */
 
          if (!xcoff_mark_symbol (info, h->descriptor))
 
            return FALSE;
 
 
 
          /* Mark the TOC section, so that we get an anchor
 
             to relocate against.  */
 
          if (!xcoff_mark (info, xcoff_hash_table (info)->toc_section))
 
            return FALSE;
 
 
 
          /* We handle writing out the contents of the descriptor in
 
             xcoff_write_global_symbol.  */
 
        }
 
      else if (info->static_link)
 
        /* We can't get a symbol value dynamically, so just assume
 
           that it's undefined.  */
 
        h->flags |= XCOFF_WAS_UNDEFINED;
 
      else if ((h->flags & XCOFF_CALLED) != 0)
 
        {
 
          /* This is a function symbol for which we need to create
 
             linkage code.  */
 
          asection *sec;
 
          struct xcoff_link_hash_entry *hds;
 
 
 
          /* Mark the descriptor (and its TOC section).  */
 
          hds = h->descriptor;
 
          BFD_ASSERT ((hds->root.type == bfd_link_hash_undefined
 
                       || hds->root.type == bfd_link_hash_undefweak)
 
                      && (hds->flags & XCOFF_DEF_REGULAR) == 0);
 
          if (!xcoff_mark_symbol (info, hds))
 
            return FALSE;
 
 
 
          /* Treat this symbol as undefined if the descriptor was.  */
 
          if ((hds->flags & XCOFF_WAS_UNDEFINED) != 0)
 
            h->flags |= XCOFF_WAS_UNDEFINED;
 
 
 
          /* Allocate room for the global linkage code itself.  */
 
          sec = xcoff_hash_table (info)->linkage_section;
 
          h->root.type = bfd_link_hash_defined;
 
          h->root.u.def.section = sec;
 
          h->root.u.def.value = sec->size;
 
          h->smclas = XMC_GL;
 
          h->flags |= XCOFF_DEF_REGULAR;
 
          sec->size += bfd_xcoff_glink_code_size (info->output_bfd);
 
 
 
          /* The global linkage code requires a TOC entry for the
 
             descriptor.  */
 
          if (hds->toc_section == NULL)
 
            {
 
              int byte_size;
 
 
 
              /* 32 vs 64
 
                 xcoff32 uses 4 bytes in the toc.
 
                 xcoff64 uses 8 bytes in the toc.  */
 
              if (bfd_xcoff_is_xcoff64 (info->output_bfd))
 
                byte_size = 8;
 
              else if (bfd_xcoff_is_xcoff32 (info->output_bfd))
 
                byte_size = 4;
 
              else
 
                return FALSE;
 
 
 
              /* Allocate room in the fallback TOC section.  */
 
              hds->toc_section = xcoff_hash_table (info)->toc_section;
 
              hds->u.toc_offset = hds->toc_section->size;
 
              hds->toc_section->size += byte_size;
 
              if (!xcoff_mark (info, hds->toc_section))
 
                return FALSE;
 
 
 
              /* Allocate room for a static and dynamic R_TOC
 
                 relocation.  */
 
              ++xcoff_hash_table (info)->ldrel_count;
 
              ++hds->toc_section->reloc_count;
 
 
 
              /* Set the index to -2 to force this symbol to
 
                 get written out.  */
 
              hds->indx = -2;
 
              hds->flags |= XCOFF_SET_TOC | XCOFF_LDREL;
 
            }
 
        }
 
      else if ((h->flags & XCOFF_DEF_DYNAMIC) == 0)
 
        {
 
          /* Record that the symbol was undefined, then import it.
 
             -brtl links use a special fake import file.  */
 
          h->flags |= XCOFF_WAS_UNDEFINED | XCOFF_IMPORT;
 
          if (xcoff_hash_table (info)->rtld)
 
            {
 
              if (!xcoff_set_import_path (info, h, "", "..", ""))
 
                return FALSE;
 
            }
 
          else
 
            {
 
              if (!xcoff_set_import_path (info, h, NULL, NULL, NULL))
 
                return FALSE;
 
            }
 
        }
 
    }
 
 
 
  if (h->root.type == bfd_link_hash_defined
 
      || h->root.type == bfd_link_hash_defweak)
 
    {
 
      asection *hsec;
 
 
 
      hsec = h->root.u.def.section;
 
      if (! bfd_is_abs_section (hsec)
 
          && (hsec->flags & SEC_MARK) == 0)
 
        {
 
          if (! xcoff_mark (info, hsec))
 
            return FALSE;
 
        }
 
    }
 
 
 
  if (h->toc_section != NULL
 
      && (h->toc_section->flags & SEC_MARK) == 0)
    {
    {
      if (! xcoff_mark (info, h->toc_section))
      if (! xcoff_mark (info, h->toc_section))
        return FALSE;
        return FALSE;
    }
    }
 
 
  return TRUE;
  return TRUE;
}
}
 
 
 
/* Look for a symbol called NAME.  If the symbol is defined, mark it.
 
   If the symbol exists, set FLAGS.  */
 
 
 
static bfd_boolean
 
xcoff_mark_symbol_by_name (struct bfd_link_info *info,
 
                           const char *name, unsigned int flags)
 
{
 
  struct xcoff_link_hash_entry *h;
 
 
 
  h = xcoff_link_hash_lookup (xcoff_hash_table (info), name,
 
                              FALSE, FALSE, TRUE);
 
  if (h != NULL)
 
    {
 
      h->flags |= flags;
 
      if (h->root.type == bfd_link_hash_defined
 
          || h->root.type == bfd_link_hash_defweak)
 
        {
 
          if (!xcoff_mark (info, h->root.u.def.section))
 
            return FALSE;
 
        }
 
    }
 
  return TRUE;
 
}
 
 
/* The mark phase of garbage collection.  For a given section, mark
/* The mark phase of garbage collection.  For a given section, mark
   it, and all the sections which define symbols to which it refers.
   it, and all the sections which define symbols to which it refers.
   Because this function needs to look at the relocs, we also count
   Because this function needs to look at the relocs, we also count
   the number of relocs which need to be copied into the .loader
   the number of relocs which need to be copied into the .loader
   section.  */
   section.  */
Line 2254... Line 2885...
 
 
  if (sec->owner->xvec == info->output_bfd->xvec
  if (sec->owner->xvec == info->output_bfd->xvec
      && coff_section_data (sec->owner, sec) != NULL
      && coff_section_data (sec->owner, sec) != NULL
      && xcoff_section_data (sec->owner, sec) != NULL)
      && xcoff_section_data (sec->owner, sec) != NULL)
    {
    {
      struct xcoff_link_hash_entry **hp, **hpend;
      struct xcoff_link_hash_entry **syms;
      struct internal_reloc *rel, *relend;
      struct internal_reloc *rel, *relend;
 
      asection **csects;
 
      unsigned long i, first, last;
 
 
      /* Mark all the symbols in this section.  */
      /* Mark all the symbols in this section.  */
      hp = (obj_xcoff_sym_hashes (sec->owner)
      syms = obj_xcoff_sym_hashes (sec->owner);
            + xcoff_section_data (sec->owner, sec)->first_symndx);
      csects = xcoff_data (sec->owner)->csects;
      hpend = (obj_xcoff_sym_hashes (sec->owner)
      first = xcoff_section_data (sec->owner, sec)->first_symndx;
               + xcoff_section_data (sec->owner, sec)->last_symndx);
      last = xcoff_section_data (sec->owner, sec)->last_symndx;
      for (; hp < hpend; hp++)
      for (i = first; i <= last; i++)
 
        if (csects[i] == sec
 
            && syms[i] != NULL
 
            && (syms[i]->flags & XCOFF_MARK) == 0)
        {
        {
          struct xcoff_link_hash_entry *h;
            if (!xcoff_mark_symbol (info, syms[i]))
 
 
          h = *hp;
 
          if (h != NULL
 
              && (h->flags & XCOFF_MARK) == 0)
 
            {
 
              if (! xcoff_mark_symbol (info, h))
 
                return FALSE;
                return FALSE;
            }
            }
        }
 
 
 
      /* Look through the section relocs.  */
      /* Look through the section relocs.  */
      if ((sec->flags & SEC_RELOC) != 0
      if ((sec->flags & SEC_RELOC) != 0
          && sec->reloc_count > 0)
          && sec->reloc_count > 0)
        {
        {
Line 2286... Line 2915...
          if (rel == NULL)
          if (rel == NULL)
            return FALSE;
            return FALSE;
          relend = rel + sec->reloc_count;
          relend = rel + sec->reloc_count;
          for (; rel < relend; rel++)
          for (; rel < relend; rel++)
            {
            {
              asection *rsec;
 
              struct xcoff_link_hash_entry *h;
              struct xcoff_link_hash_entry *h;
 
 
              if ((unsigned int) rel->r_symndx
              if ((unsigned int) rel->r_symndx
                  > obj_raw_syment_count (sec->owner))
                  > obj_raw_syment_count (sec->owner))
                continue;
                continue;
 
 
              h = obj_xcoff_sym_hashes (sec->owner)[rel->r_symndx];
              h = obj_xcoff_sym_hashes (sec->owner)[rel->r_symndx];
              if (h != NULL
              if (h != NULL)
                  && (h->flags & XCOFF_MARK) == 0)
                {
 
                  if ((h->flags & XCOFF_MARK) == 0)
                {
                {
                  if (! xcoff_mark_symbol (info, h))
                  if (! xcoff_mark_symbol (info, h))
                    return FALSE;
                    return FALSE;
                }
                }
 
                }
 
              else
 
                {
 
                  asection *rsec;
 
 
              rsec = xcoff_data (sec->owner)->csects[rel->r_symndx];
              rsec = xcoff_data (sec->owner)->csects[rel->r_symndx];
              if (rsec != NULL
              if (rsec != NULL
                  && (rsec->flags & SEC_MARK) == 0)
                  && (rsec->flags & SEC_MARK) == 0)
                {
                {
                  if (! xcoff_mark (info, rsec))
                  if (! xcoff_mark (info, rsec))
                    return FALSE;
                        return FALSE;
                }
                    }
 
                }
              /* See if this reloc needs to be copied into the .loader
 
                 section.  */
              /* See if this reloc needs to be copied into the .loader
              switch (rel->r_type)
                 section.  */
                {
              if (xcoff_need_ldrel_p (info, rel, h))
                default:
                {
                  if (h == NULL
 
                      || h->root.type == bfd_link_hash_defined
 
                      || h->root.type == bfd_link_hash_defweak
 
                      || h->root.type == bfd_link_hash_common
 
                      || ((h->flags & XCOFF_CALLED) != 0
 
                          && (h->root.type == bfd_link_hash_undefined
 
                              || h->root.type == bfd_link_hash_undefweak)
 
                          && h->root.root.string[0] == '.'
 
                          && h->descriptor != NULL
 
                          && ((h->descriptor->flags & XCOFF_DEF_DYNAMIC) != 0
 
                              || ((h->descriptor->flags & XCOFF_IMPORT) != 0
 
                                  && (h->descriptor->flags
 
                                      & XCOFF_DEF_REGULAR) == 0))))
 
                    break;
 
                  /* Fall through.  */
 
                case R_POS:
 
                case R_NEG:
 
                case R_RL:
 
                case R_RLA:
 
                  ++xcoff_hash_table (info)->ldrel_count;
                  ++xcoff_hash_table (info)->ldrel_count;
                  if (h != NULL)
                  if (h != NULL)
                    h->flags |= XCOFF_LDREL;
                    h->flags |= XCOFF_LDREL;
                  break;
 
                case R_TOC:
 
                case R_GL:
 
                case R_TCL:
 
                case R_TRL:
 
                case R_TRLA:
 
                  /* We should never need a .loader reloc for a TOC
 
                     relative reloc.  */
 
                  break;
 
                }
                }
            }
            }
 
 
          if (! info->keep_memory
          if (! info->keep_memory
              && coff_section_data (sec->owner, sec) != NULL
              && coff_section_data (sec->owner, sec) != NULL
Line 2388... Line 2993...
                 moment.  */
                 moment.  */
              if (sub->xvec != info->output_bfd->xvec
              if (sub->xvec != info->output_bfd->xvec
                  || o == xcoff_hash_table (info)->debug_section
                  || o == xcoff_hash_table (info)->debug_section
                  || o == xcoff_hash_table (info)->loader_section
                  || o == xcoff_hash_table (info)->loader_section
                  || o == xcoff_hash_table (info)->linkage_section
                  || o == xcoff_hash_table (info)->linkage_section
                  || o == xcoff_hash_table (info)->toc_section
 
                  || o == xcoff_hash_table (info)->descriptor_section
                  || o == xcoff_hash_table (info)->descriptor_section
                  || strcmp (o->name, ".debug") == 0)
                  || strcmp (o->name, ".debug") == 0)
                o->flags |= SEC_MARK;
                o->flags |= SEC_MARK;
              else
              else
                {
                {
                  o->size = 0;
                  o->size = 0;
                  o->reloc_count = 0;
                  o->reloc_count = 0;
                  o->lineno_count = 0;
 
                }
                }
            }
            }
        }
        }
    }
    }
}
}
Line 2476... Line 3079...
            {
            {
              hds->root.type = bfd_link_hash_undefined;
              hds->root.type = bfd_link_hash_undefined;
              hds->root.u.undef.abfd = h->root.u.undef.abfd;
              hds->root.u.undef.abfd = h->root.u.undef.abfd;
            }
            }
          hds->flags |= XCOFF_DESCRIPTOR;
          hds->flags |= XCOFF_DESCRIPTOR;
          BFD_ASSERT ((hds->flags & XCOFF_CALLED) == 0
          BFD_ASSERT ((h->flags & XCOFF_DESCRIPTOR) == 0);
                      && (h->flags & XCOFF_DESCRIPTOR) == 0);
 
          hds->descriptor = h;
          hds->descriptor = h;
          h->descriptor = hds;
          h->descriptor = hds;
        }
        }
 
 
      /* Now, if the descriptor is undefined, import the descriptor
      /* Now, if the descriptor is undefined, import the descriptor
Line 2507... Line 3109...
        }
        }
 
 
      h->root.type = bfd_link_hash_defined;
      h->root.type = bfd_link_hash_defined;
      h->root.u.def.section = bfd_abs_section_ptr;
      h->root.u.def.section = bfd_abs_section_ptr;
      h->root.u.def.value = val;
      h->root.u.def.value = val;
 
      h->smclas = XMC_XO;
    }
    }
 
 
  /* We overload the ldindx field to hold the l_ifile value for this
  if (!xcoff_set_import_path (info, h, imppath, impfile, impmember))
     symbol.  */
 
  BFD_ASSERT (h->ldsym == NULL);
 
  BFD_ASSERT ((h->flags & XCOFF_BUILT_LDSYM) == 0);
 
  if (imppath == NULL)
 
    h->ldindx = -1;
 
  else
 
    {
 
      unsigned int c;
 
      struct xcoff_import_file **pp;
 
 
 
      /* We start c at 1 because the first entry in the import list is
 
         reserved for the library search path.  */
 
      for (pp = &xcoff_hash_table (info)->imports, c = 1;
 
           *pp != NULL;
 
           pp = &(*pp)->next, ++c)
 
        {
 
          if (strcmp ((*pp)->path, imppath) == 0
 
              && strcmp ((*pp)->file, impfile) == 0
 
              && strcmp ((*pp)->member, impmember) == 0)
 
            break;
 
        }
 
 
 
      if (*pp == NULL)
 
        {
 
          struct xcoff_import_file *n;
 
          bfd_size_type amt = sizeof (* n);
 
 
 
          n = bfd_alloc (output_bfd, amt);
 
          if (n == NULL)
 
            return FALSE;
            return FALSE;
          n->next = NULL;
 
          n->path = imppath;
 
          n->file = impfile;
 
          n->member = impmember;
 
          *pp = n;
 
        }
 
 
 
      h->ldindx = c;
 
    }
 
 
 
  return TRUE;
  return TRUE;
}
}
 
 
/* Export a symbol.  */
/* Export a symbol.  */
Line 2570... Line 3135...
  h->flags |= XCOFF_EXPORT;
  h->flags |= XCOFF_EXPORT;
 
 
  /* FIXME: I'm not at all sure what syscall is supposed to mean, so
  /* FIXME: I'm not at all sure what syscall is supposed to mean, so
     I'm just going to ignore it until somebody explains it.  */
     I'm just going to ignore it until somebody explains it.  */
 
 
  /* See if this is a function descriptor.  It may be one even though
 
     it is not so marked.  */
 
  if ((h->flags & XCOFF_DESCRIPTOR) == 0
 
      && h->root.root.string[0] != '.')
 
    {
 
      char *fnname;
 
      struct xcoff_link_hash_entry *hfn;
 
      bfd_size_type amt = strlen (h->root.root.string) + 2;
 
 
 
      fnname = bfd_malloc (amt);
 
      if (fnname == NULL)
 
        return FALSE;
 
      fnname[0] = '.';
 
      strcpy (fnname + 1, h->root.root.string);
 
      hfn = xcoff_link_hash_lookup (xcoff_hash_table (info),
 
                                    fnname, FALSE, FALSE, TRUE);
 
      free (fnname);
 
      if (hfn != NULL
 
          && hfn->smclas == XMC_PR
 
          && (hfn->root.type == bfd_link_hash_defined
 
              || hfn->root.type == bfd_link_hash_defweak))
 
        {
 
          h->flags |= XCOFF_DESCRIPTOR;
 
          h->descriptor = hfn;
 
          hfn->descriptor = h;
 
        }
 
    }
 
 
 
  /* Make sure we don't garbage collect this symbol.  */
  /* Make sure we don't garbage collect this symbol.  */
  if (! xcoff_mark_symbol (info, h))
  if (! xcoff_mark_symbol (info, h))
    return FALSE;
    return FALSE;
 
 
  /* If this is a function descriptor, make sure we don't garbage
  /* If this is a function descriptor, make sure we don't garbage
Line 2640... Line 3177...
      (*_bfd_error_handler) (_("%s: no such symbol"), name);
      (*_bfd_error_handler) (_("%s: no such symbol"), name);
      bfd_set_error (bfd_error_no_symbols);
      bfd_set_error (bfd_error_no_symbols);
      return FALSE;
      return FALSE;
    }
    }
 
 
  h->flags |= XCOFF_REF_REGULAR | XCOFF_LDREL;
  h->flags |= XCOFF_REF_REGULAR;
 
  if (xcoff_hash_table (info)->loader_section)
 
    {
 
      h->flags |= XCOFF_LDREL;
  ++xcoff_hash_table (info)->ldrel_count;
  ++xcoff_hash_table (info)->ldrel_count;
 
    }
 
 
  /* Mark the symbol to avoid garbage collection.  */
  /* Mark the symbol to avoid garbage collection.  */
  if (! xcoff_mark_symbol (info, h))
  if (! xcoff_mark_symbol (info, h))
    return FALSE;
    return FALSE;
 
 
Line 2673... Line 3214...
  h->flags |= XCOFF_DEF_REGULAR;
  h->flags |= XCOFF_DEF_REGULAR;
 
 
  return TRUE;
  return TRUE;
}
}
 
 
/* Add a symbol to the .loader symbols, if necessary.  */
/* An xcoff_link_hash_traverse callback for which DATA points to an
 
   xcoff_loader_info.  Mark all symbols that should be automatically
 
   exported.  */
 
 
static bfd_boolean
static bfd_boolean
xcoff_build_ldsyms (struct xcoff_link_hash_entry *h, void * p)
xcoff_mark_auto_exports (struct xcoff_link_hash_entry *h, void *data)
{
{
  struct xcoff_loader_info *ldinfo = (struct xcoff_loader_info *) p;
  struct xcoff_loader_info *ldinfo;
  bfd_size_type amt;
 
 
 
  if (h->root.type == bfd_link_hash_warning)
 
    h = (struct xcoff_link_hash_entry *) h->root.u.i.link;
 
 
 
  /* __rtinit, this symbol has special handling. */
  ldinfo = (struct xcoff_loader_info *) data;
  if (h->flags & XCOFF_RTINIT)
  if (xcoff_auto_export_p (ldinfo->info, h, ldinfo->auto_export_flags))
 
    {
 
      if (!xcoff_mark_symbol (ldinfo->info, h))
 
        ldinfo->failed = TRUE;
 
    }
      return TRUE;
      return TRUE;
 
}
 
 
  /* If this is a final link, and the symbol was defined as a common
/* Add a symbol to the .loader symbols, if necessary.  */
     symbol in a regular object file, and there was no definition in
 
     any dynamic object, then the linker will have allocated space for
 
     the symbol in a common section but the XCOFF_DEF_REGULAR flag
 
     will not have been set.  */
 
  if (h->root.type == bfd_link_hash_defined
 
      && (h->flags & XCOFF_DEF_REGULAR) == 0
 
      && (h->flags & XCOFF_REF_REGULAR) != 0
 
      && (h->flags & XCOFF_DEF_DYNAMIC) == 0
 
      && (bfd_is_abs_section (h->root.u.def.section)
 
          || (h->root.u.def.section->owner->flags & DYNAMIC) == 0))
 
    h->flags |= XCOFF_DEF_REGULAR;
 
 
 
  /* If all defined symbols should be exported, mark them now.  We
/* INPUT_BFD has an external symbol associated with hash table entry H
     don't want to export the actual functions, just the function
   and csect CSECT.   Return true if INPUT_BFD defines H.  */
     descriptors.  */
 
  if (ldinfo->export_defineds
 
      && (h->flags & XCOFF_DEF_REGULAR) != 0
 
      && h->root.root.string[0] != '.')
 
    {
 
      bfd_boolean export;
 
 
 
      /* We don't export a symbol which is being defined by an object
static bfd_boolean
         included from an archive which contains a shared object.  The
xcoff_final_definition_p (bfd *input_bfd, struct xcoff_link_hash_entry *h,
         rationale is that if an archive contains both an unshared and
                          asection *csect)
         a shared object, then there must be some reason that the
{
         unshared object is unshared, and we don't want to start
  switch (h->root.type)
         providing a shared version of it.  In particular, this solves
 
         a bug involving the _savefNN set of functions.  gcc will call
 
         those functions without providing a slot to restore the TOC,
 
         so it is essential that these functions be linked in directly
 
         and not from a shared object, which means that a shared
 
         object which also happens to link them in must not export
 
         them.  This is confusing, but I haven't been able to think of
 
         a different approach.  Note that the symbols can, of course,
 
         be exported explicitly.  */
 
      export = TRUE;
 
      if ((h->root.type == bfd_link_hash_defined
 
           || h->root.type == bfd_link_hash_defweak)
 
          && h->root.u.def.section->owner != NULL
 
          && h->root.u.def.section->owner->my_archive != NULL)
 
        {
        {
          bfd *arbfd, *member;
    case bfd_link_hash_defined:
 
    case bfd_link_hash_defweak:
 
      /* No input bfd owns absolute symbols.  They are written by
 
         xcoff_write_global_symbol instead.  */
 
      return (!bfd_is_abs_section (csect)
 
              && h->root.u.def.section == csect);
 
 
 
    case bfd_link_hash_common:
 
      return h->root.u.c.p->section->owner == input_bfd;
 
 
 
    case bfd_link_hash_undefined:
 
    case bfd_link_hash_undefweak:
 
      /* We can't treat undef.abfd as the owner because that bfd
 
         might be a dynamic object.  Allow any bfd to claim it.  */
 
      return TRUE;
 
 
          arbfd = h->root.u.def.section->owner->my_archive;
    default:
          member = bfd_openr_next_archived_file (arbfd, NULL);
      abort ();
          while (member != NULL)
    }
 
}
 
 
 
/* See if H should have a loader symbol associated with it.  */
 
 
 
static bfd_boolean
 
xcoff_build_ldsym (struct xcoff_loader_info *ldinfo,
 
                   struct xcoff_link_hash_entry *h)
            {
            {
              if ((member->flags & DYNAMIC) != 0)
  bfd_size_type amt;
 
 
 
  /* Warn if this symbol is exported but not defined.  */
 
  if ((h->flags & XCOFF_EXPORT) != 0
 
      && (h->flags & XCOFF_WAS_UNDEFINED) != 0)
                {
                {
                  export = FALSE;
      (*_bfd_error_handler)
                  break;
        (_("warning: attempt to export undefined symbol `%s'"),
 
         h->root.root.string);
 
      return TRUE;
                }
                }
              member = bfd_openr_next_archived_file (arbfd, member);
 
 
  /* We need to add a symbol to the .loader section if it is mentioned
 
     in a reloc which we are copying to the .loader section and it was
 
     not defined or common, or if it is the entry point, or if it is
 
     being exported.  */
 
  if (((h->flags & XCOFF_LDREL) == 0
 
       || h->root.type == bfd_link_hash_defined
 
       || h->root.type == bfd_link_hash_defweak
 
       || h->root.type == bfd_link_hash_common)
 
      && (h->flags & XCOFF_ENTRY) == 0
 
      && (h->flags & XCOFF_EXPORT) == 0)
 
    return TRUE;
 
 
 
  /* We need to add this symbol to the .loader symbols.  */
 
 
 
  BFD_ASSERT (h->ldsym == NULL);
 
  amt = sizeof (struct internal_ldsym);
 
  h->ldsym = bfd_zalloc (ldinfo->output_bfd, amt);
 
  if (h->ldsym == NULL)
 
    {
 
      ldinfo->failed = TRUE;
 
      return FALSE;
            }
            }
 
 
 
  if ((h->flags & XCOFF_IMPORT) != 0)
 
    {
 
      /* Give imported descriptors class XMC_DS rather than XMC_UA.  */
 
      if ((h->flags & XCOFF_DESCRIPTOR) != 0)
 
        h->smclas = XMC_DS;
 
      h->ldsym->l_ifile = h->ldindx;
        }
        }
 
 
      if (export)
  /* The first 3 symbol table indices are reserved to indicate the
        h->flags |= XCOFF_EXPORT;
     data, text and bss sections.  */
 
  h->ldindx = ldinfo->ldsym_count + 3;
 
 
 
  ++ldinfo->ldsym_count;
 
 
 
  if (! bfd_xcoff_put_ldsymbol_name (ldinfo->output_bfd, ldinfo,
 
                                     h->ldsym, h->root.root.string))
 
    return FALSE;
 
 
 
  h->flags |= XCOFF_BUILT_LDSYM;
 
  return TRUE;
    }
    }
 
 
 
/* An xcoff_htab_traverse callback that is called for each symbol
 
   once garbage collection is complete.  */
 
 
 
static bfd_boolean
 
xcoff_post_gc_symbol (struct xcoff_link_hash_entry *h, void * p)
 
{
 
  struct xcoff_loader_info *ldinfo = (struct xcoff_loader_info *) p;
 
 
 
  if (h->root.type == bfd_link_hash_warning)
 
    h = (struct xcoff_link_hash_entry *) h->root.u.i.link;
 
 
 
  /* __rtinit, this symbol has special handling. */
 
  if (h->flags & XCOFF_RTINIT)
 
    return TRUE;
 
 
  /* We don't want to garbage collect symbols which are not defined in
  /* We don't want to garbage collect symbols which are not defined in
     XCOFF files.  This is a convenient place to mark them.  */
     XCOFF files.  This is a convenient place to mark them.  */
  if (xcoff_hash_table (ldinfo->info)->gc
  if (xcoff_hash_table (ldinfo->info)->gc
      && (h->flags & XCOFF_MARK) == 0
      && (h->flags & XCOFF_MARK) == 0
      && (h->root.type == bfd_link_hash_defined
      && (h->root.type == bfd_link_hash_defined
Line 2760... Line 3353...
      && (h->root.u.def.section->owner == NULL
      && (h->root.u.def.section->owner == NULL
          || (h->root.u.def.section->owner->xvec
          || (h->root.u.def.section->owner->xvec
              != ldinfo->info->output_bfd->xvec)))
              != ldinfo->info->output_bfd->xvec)))
    h->flags |= XCOFF_MARK;
    h->flags |= XCOFF_MARK;
 
 
  /* If this symbol is called and defined in a dynamic object, or it
  /* Skip discarded symbols.  */
     is imported, then we need to set up global linkage code for it.
  if (xcoff_hash_table (ldinfo->info)->gc
     (Unless we did garbage collection and we didn't need this
      && (h->flags & XCOFF_MARK) == 0)
     symbol.)  */
    return TRUE;
  if ((h->flags & XCOFF_CALLED) != 0
 
      && (h->root.type == bfd_link_hash_undefined
 
          || h->root.type == bfd_link_hash_undefweak)
 
      && h->root.root.string[0] == '.'
 
      && h->descriptor != NULL
 
      && ((h->descriptor->flags & XCOFF_DEF_DYNAMIC) != 0
 
          || ((h->descriptor->flags & XCOFF_IMPORT) != 0
 
              && (h->descriptor->flags & XCOFF_DEF_REGULAR) == 0))
 
      && (! xcoff_hash_table (ldinfo->info)->gc
 
          || (h->flags & XCOFF_MARK) != 0))
 
    {
 
      asection *sec;
 
      struct xcoff_link_hash_entry *hds;
 
 
 
      sec = xcoff_hash_table (ldinfo->info)->linkage_section;
  /* If this is still a common symbol, and it wasn't garbage
      h->root.type = bfd_link_hash_defined;
     collected, we need to actually allocate space for it in the .bss
      h->root.u.def.section = sec;
     section.  */
      h->root.u.def.value = sec->size;
  if (h->root.type == bfd_link_hash_common
      h->smclas = XMC_GL;
      && h->root.u.c.p->section->size == 0)
      h->flags |= XCOFF_DEF_REGULAR;
    {
      sec->size += bfd_xcoff_glink_code_size(ldinfo->output_bfd);
      BFD_ASSERT (bfd_is_com_section (h->root.u.c.p->section));
 
      h->root.u.c.p->section->size = h->root.u.c.size;
 
    }
 
 
      /* The global linkage code requires a TOC entry for the
  if (xcoff_hash_table (ldinfo->info)->loader_section)
         descriptor.  */
 
      hds = h->descriptor;
 
      BFD_ASSERT ((hds->root.type == bfd_link_hash_undefined
 
                   || hds->root.type == bfd_link_hash_undefweak)
 
                  && (hds->flags & XCOFF_DEF_REGULAR) == 0);
 
      hds->flags |= XCOFF_MARK;
 
      if (hds->toc_section == NULL)
 
        {
        {
          int byte_size;
      if (xcoff_auto_export_p (ldinfo->info, h, ldinfo->auto_export_flags))
 
        h->flags |= XCOFF_EXPORT;
 
 
          /* 32 vs 64
      if (!xcoff_build_ldsym (ldinfo, h))
             xcoff32 uses 4 bytes in the toc.
 
             xcoff64 uses 8 bytes in the toc.  */
 
          if (bfd_xcoff_is_xcoff64 (ldinfo->output_bfd))
 
            byte_size = 8;
 
          else if (bfd_xcoff_is_xcoff32 (ldinfo->output_bfd))
 
            byte_size = 4;
 
          else
 
            return FALSE;
            return FALSE;
 
 
          hds->toc_section = xcoff_hash_table (ldinfo->info)->toc_section;
 
          hds->u.toc_offset = hds->toc_section->size;
 
          hds->toc_section->size += byte_size;
 
          ++xcoff_hash_table (ldinfo->info)->ldrel_count;
 
          ++hds->toc_section->reloc_count;
 
          hds->indx = -2;
 
          hds->flags |= XCOFF_SET_TOC | XCOFF_LDREL;
 
 
 
          /* We need to call xcoff_build_ldsyms recursively here,
 
             because we may already have passed hds on the traversal.  */
 
          xcoff_build_ldsyms (hds, p);
 
        }
        }
 
 
 
  return TRUE;
    }
    }
 
 
  /* If this symbol is exported, but not defined, we need to try to
/* INPUT_BFD includes XCOFF symbol ISYM, which is associated with linker
     define it.  */
   hash table entry H and csect CSECT.  AUX contains ISYM's auxillary
  if ((h->flags & XCOFF_EXPORT) != 0
   csect information, if any.  NAME is the function's name if the name
      && (h->flags & XCOFF_IMPORT) == 0
   is stored in the .debug section, otherwise it is null.
      && (h->flags & XCOFF_DEF_REGULAR) == 0
 
      && (h->flags & XCOFF_DEF_DYNAMIC) == 0
   Return 1 if we should include an appropriately-adjusted ISYM
      && (h->root.type == bfd_link_hash_undefined
   in the output file, 0 if we should discard ISYM, or -1 if an
          || h->root.type == bfd_link_hash_undefweak))
   error occured.  */
 
 
 
static int
 
xcoff_keep_symbol_p (struct bfd_link_info *info, bfd *input_bfd,
 
                     struct internal_syment *isym,
 
                     union internal_auxent *aux,
 
                     struct xcoff_link_hash_entry *h,
 
                     asection *csect, const char *name)
    {
    {
      if ((h->flags & XCOFF_DESCRIPTOR) != 0
  int smtyp;
          && (h->descriptor->root.type == bfd_link_hash_defined
 
              || h->descriptor->root.type == bfd_link_hash_defweak))
  /* If we are skipping this csect, we want to strip the symbol too.  */
 
  if (csect == NULL)
 
    return 0;
 
 
 
  /* Likewise if we garbage-collected the csect.  */
 
  if (xcoff_hash_table (info)->gc
 
      && !bfd_is_abs_section (csect)
 
      && !bfd_is_und_section (csect)
 
      && (csect->flags & SEC_MARK) == 0)
 
    return 0;
 
 
 
  /* An XCOFF linker always removes C_STAT symbols.  */
 
  if (isym->n_sclass == C_STAT)
 
    return 0;
 
 
 
  /* We generate the TOC anchor separately.  */
 
  if (isym->n_sclass == C_HIDEXT
 
      && aux->x_csect.x_smclas == XMC_TC0)
 
    return 0;
 
 
 
  /* If we are stripping all symbols, we want to discard this one.  */
 
  if (info->strip == strip_all)
 
    return 0;
 
 
 
  /* Discard symbols that are defined elsewhere.  */
 
  if (EXTERN_SYM_P (isym->n_sclass))
        {
        {
          asection *sec;
      if ((h->flags & XCOFF_ALLOCATED) != 0)
 
        return 0;
 
      if (!xcoff_final_definition_p (input_bfd, h, csect))
 
        return 0;
 
    }
 
 
          /* This is an undefined function descriptor associated with
  /* If we're discarding local symbols, check whether ISYM is local.  */
             a defined entry point.  We can build up a function
  smtyp = SMTYP_SMTYP (aux->x_csect.x_smtyp);
             descriptor ourselves.  Believe it or not, the AIX linker
  if (info->discard == discard_all
             actually does this, and there are cases where we need to
      && !EXTERN_SYM_P (isym->n_sclass)
             do it as well.  */
      && (isym->n_sclass != C_HIDEXT || smtyp != XTY_SD))
          sec = xcoff_hash_table (ldinfo->info)->descriptor_section;
    return 0;
          h->root.type = bfd_link_hash_defined;
 
          h->root.u.def.section = sec;
 
          h->root.u.def.value = sec->size;
 
          h->smclas = XMC_DS;
 
          h->flags |= XCOFF_DEF_REGULAR;
 
 
 
          /* The size of the function descriptor depends if this is an
  /* If we're stripping debugging symbols, check whether ISYM is one.  */
             xcoff32 (12) or xcoff64 (24).  */
  if (info->strip == strip_debugger
          sec->size +=
      && isym->n_scnum == N_DEBUG)
            bfd_xcoff_function_descriptor_size(ldinfo->output_bfd);
    return 0;
 
 
          /* A function descriptor uses two relocs: one for the
  /* If we are stripping symbols based on name, check how ISYM's
             associated code, and one for the TOC address.  */
     name should be handled.  */
          xcoff_hash_table (ldinfo->info)->ldrel_count += 2;
  if (info->strip == strip_some
          sec->reloc_count += 2;
      || info->discard == discard_l)
 
    {
 
      char buf[SYMNMLEN + 1];
 
 
          /* We handle writing out the contents of the descriptor in
      if (name == NULL)
             xcoff_write_global_symbol.  */
 
        }
 
      else
 
        {
        {
          (*_bfd_error_handler)
          name = _bfd_coff_internal_syment_name (input_bfd, isym, buf);
            (_("warning: attempt to export undefined symbol `%s'"),
          if (name == NULL)
             h->root.root.string);
            return -1;
          h->ldsym = NULL;
 
          return TRUE;
 
        }
        }
 
 
 
      if (info->strip == strip_some
 
          && bfd_hash_lookup (info->keep_hash, name, FALSE, FALSE) == NULL)
 
        return 0;
 
 
 
      if (info->discard == discard_l
 
          && !EXTERN_SYM_P (isym->n_sclass)
 
          && (isym->n_sclass != C_HIDEXT || smtyp != XTY_SD)
 
          && bfd_is_local_label_name (input_bfd, name))
 
        return 0;
    }
    }
 
 
  /* If this is still a common symbol, and it wasn't garbage
  return 1;
     collected, we need to actually allocate space for it in the .bss
 
     section.  */
 
  if (h->root.type == bfd_link_hash_common
 
      && (! xcoff_hash_table (ldinfo->info)->gc
 
          || (h->flags & XCOFF_MARK) != 0)
 
      && h->root.u.c.p->section->size == 0)
 
    {
 
      BFD_ASSERT (bfd_is_com_section (h->root.u.c.p->section));
 
      h->root.u.c.p->section->size = h->root.u.c.size;
 
    }
    }
 
 
  /* We need to add a symbol to the .loader section if it is mentioned
/* Lay out the .loader section, filling in the header and the import paths.
     in a reloc which we are copying to the .loader section and it was
   LIBPATH is as for bfd_xcoff_size_dynamic_sections.  */
     not defined or common, or if it is the entry point, or if it is
 
     being exported.  */
 
 
 
  if (((h->flags & XCOFF_LDREL) == 0
static bfd_boolean
       || h->root.type == bfd_link_hash_defined
xcoff_build_loader_section (struct xcoff_loader_info *ldinfo,
       || h->root.type == bfd_link_hash_defweak
                            const char *libpath)
       || h->root.type == bfd_link_hash_common)
 
      && (h->flags & XCOFF_ENTRY) == 0
 
      && (h->flags & XCOFF_EXPORT) == 0)
 
    {
    {
      h->ldsym = NULL;
  bfd *output_bfd;
      return TRUE;
  struct xcoff_link_hash_table *htab;
    }
  struct internal_ldhdr *ldhdr;
 
  struct xcoff_import_file *fl;
 
  bfd_size_type stoff;
 
  size_t impsize, impcount;
 
  asection *lsec;
 
  char *out;
 
 
  /* We don't need to add this symbol if we did garbage collection and
  /* Work out the size of the import file names.  Each import file ID
     we did not mark this symbol.  */
     consists of three null terminated strings: the path, the file
  if (xcoff_hash_table (ldinfo->info)->gc
     name, and the archive member name.  The first entry in the list
      && (h->flags & XCOFF_MARK) == 0)
     of names is the path to use to find objects, which the linker has
 
     passed in as the libpath argument.  For some reason, the path
 
     entry in the other import file names appears to always be empty.  */
 
  output_bfd = ldinfo->output_bfd;
 
  htab = xcoff_hash_table (ldinfo->info);
 
  impsize = strlen (libpath) + 3;
 
  impcount = 1;
 
  for (fl = htab->imports; fl != NULL; fl = fl->next)
    {
    {
      h->ldsym = NULL;
      ++impcount;
      return TRUE;
      impsize += (strlen (fl->path)
 
                  + strlen (fl->file)
 
                  + strlen (fl->member)
 
                  + 3);
    }
    }
 
 
  /* We may have already processed this symbol due to the recursive
  /* Set up the .loader section header.  */
     call above.  */
  ldhdr = &htab->ldhdr;
  if ((h->flags & XCOFF_BUILT_LDSYM) != 0)
  ldhdr->l_version = bfd_xcoff_ldhdr_version(output_bfd);
    return TRUE;
  ldhdr->l_nsyms = ldinfo->ldsym_count;
 
  ldhdr->l_nreloc = htab->ldrel_count;
 
  ldhdr->l_istlen = impsize;
 
  ldhdr->l_nimpid = impcount;
 
  ldhdr->l_impoff = (bfd_xcoff_ldhdrsz (output_bfd)
 
                     + ldhdr->l_nsyms * bfd_xcoff_ldsymsz (output_bfd)
 
                     + ldhdr->l_nreloc * bfd_xcoff_ldrelsz (output_bfd));
 
  ldhdr->l_stlen = ldinfo->string_size;
 
  stoff = ldhdr->l_impoff + impsize;
 
  if (ldinfo->string_size == 0)
 
    ldhdr->l_stoff = 0;
 
  else
 
    ldhdr->l_stoff = stoff;
 
 
  /* We need to add this symbol to the .loader symbols.  */
  /* 64 bit elements to ldhdr
 
     The swap out routine for 32 bit will ignore them.
 
     Nothing fancy, symbols come after the header and relocs come
 
     after symbols.  */
 
  ldhdr->l_symoff = bfd_xcoff_ldhdrsz (output_bfd);
 
  ldhdr->l_rldoff = (bfd_xcoff_ldhdrsz (output_bfd)
 
                     + ldhdr->l_nsyms * bfd_xcoff_ldsymsz (output_bfd));
 
 
  BFD_ASSERT (h->ldsym == NULL);
  /* We now know the final size of the .loader section.  Allocate
  amt = sizeof (struct internal_ldsym);
     space for it.  */
  h->ldsym = bfd_zalloc (ldinfo->output_bfd, amt);
  lsec = htab->loader_section;
  if (h->ldsym == NULL)
  lsec->size = stoff + ldhdr->l_stlen;
    {
  lsec->contents = bfd_zalloc (output_bfd, lsec->size);
      ldinfo->failed = TRUE;
  if (lsec->contents == NULL)
      return FALSE;
      return FALSE;
    }
 
 
 
  if ((h->flags & XCOFF_IMPORT) != 0)
  /* Set up the header.  */
    h->ldsym->l_ifile = h->ldindx;
  bfd_xcoff_swap_ldhdr_out (output_bfd, ldhdr, lsec->contents);
 
 
  /* The first 3 symbol table indices are reserved to indicate the
  /* Set up the import file names.  */
     data, text and bss sections.  */
  out = (char *) lsec->contents + ldhdr->l_impoff;
  h->ldindx = ldinfo->ldsym_count + 3;
  strcpy (out, libpath);
 
  out += strlen (libpath) + 1;
 
  *out++ = '\0';
 
  *out++ = '\0';
 
  for (fl = htab->imports; fl != NULL; fl = fl->next)
 
    {
 
      const char *s;
 
 
  ++ldinfo->ldsym_count;
      s = fl->path;
 
      while ((*out++ = *s++) != '\0')
 
        ;
 
      s = fl->file;
 
      while ((*out++ = *s++) != '\0')
 
        ;
 
      s = fl->member;
 
      while ((*out++ = *s++) != '\0')
 
        ;
 
    }
 
 
  if (! bfd_xcoff_put_ldsymbol_name (ldinfo->output_bfd, ldinfo,
  BFD_ASSERT ((bfd_size_type) ((bfd_byte *) out - lsec->contents) == stoff);
                                     h->ldsym, h->root.root.string))
 
    return FALSE;
 
 
 
  h->flags |= XCOFF_BUILT_LDSYM;
  /* Set up the symbol string table.  */
 
  if (ldinfo->string_size > 0)
 
    {
 
      memcpy (out, ldinfo->strings, ldinfo->string_size);
 
      free (ldinfo->strings);
 
      ldinfo->strings = NULL;
 
    }
 
 
 
  /* We can't set up the symbol table or the relocs yet, because we
 
     don't yet know the final position of the various sections.  The
 
     .loader symbols are written out when the corresponding normal
 
     symbols are written out in xcoff_link_input_bfd or
 
     xcoff_write_global_symbol.  The .loader relocs are written out
 
     when the corresponding normal relocs are handled in
 
     xcoff_link_input_bfd.  */
 
 
  return TRUE;
  return TRUE;
}
}
 
 
/* Build the .loader section.  This is called by the XCOFF linker
/* Build the .loader section.  This is called by the XCOFF linker
   emulation before_allocation routine.  We must set the size of the
   emulation before_allocation routine.  We must set the size of the
   .loader section before the linker lays out the output file.
   .loader section before the linker lays out the output file.
   LIBPATH is the library path to search for shared objects; this is
   LIBPATH is the library path to search for shared objects; this is
   normally built from the -L arguments passed to the linker.  ENTRY
   normally built from the -L arguments passed to the linker.  ENTRY
Line 2953... Line 3596...
   (the -H linker option).  MAXSTACK is the maximum stack size (the
   (the -H linker option).  MAXSTACK is the maximum stack size (the
   -bmaxstack linker option).  MAXDATA is the maximum data size (the
   -bmaxstack linker option).  MAXDATA is the maximum data size (the
   -bmaxdata linker option).  GC is whether to do garbage collection
   -bmaxdata linker option).  GC is whether to do garbage collection
   (the -bgc linker option).  MODTYPE is the module type (the
   (the -bgc linker option).  MODTYPE is the module type (the
   -bmodtype linker option).  TEXTRO is whether the text section must
   -bmodtype linker option).  TEXTRO is whether the text section must
   be read only (the -btextro linker option).  EXPORT_DEFINEDS is
   be read only (the -btextro linker option).  AUTO_EXPORT_FLAGS
   whether all defined symbols should be exported (the -unix linker
   is a mask of XCOFF_EXPALL and XCOFF_EXPFULL.  SPECIAL_SECTIONS
   option).  SPECIAL_SECTIONS is set by this routine to csects with
   is set by this routine to csects with magic names like _end.  */
   magic names like _end.  */
 
 
 
bfd_boolean
bfd_boolean
bfd_xcoff_size_dynamic_sections (bfd *output_bfd,
bfd_xcoff_size_dynamic_sections (bfd *output_bfd,
                                 struct bfd_link_info *info,
                                 struct bfd_link_info *info,
                                 const char *libpath,
                                 const char *libpath,
Line 2969... Line 3611...
                                 unsigned long maxstack,
                                 unsigned long maxstack,
                                 unsigned long maxdata,
                                 unsigned long maxdata,
                                 bfd_boolean gc,
                                 bfd_boolean gc,
                                 int modtype,
                                 int modtype,
                                 bfd_boolean textro,
                                 bfd_boolean textro,
                                 bfd_boolean export_defineds,
                                 unsigned int auto_export_flags,
                                 asection **special_sections,
                                 asection **special_sections,
                                 bfd_boolean rtld)
                                 bfd_boolean rtld)
{
{
  struct xcoff_link_hash_entry *hentry;
 
  asection *lsec;
 
  struct xcoff_loader_info ldinfo;
  struct xcoff_loader_info ldinfo;
  int i;
  int i;
  size_t impsize, impcount;
 
  struct xcoff_import_file *fl;
 
  struct internal_ldhdr *ldhdr;
 
  bfd_size_type stoff;
 
  char *out;
 
  asection *sec;
  asection *sec;
  bfd *sub;
  bfd *sub;
  struct bfd_strtab_hash *debug_strtab;
  struct bfd_strtab_hash *debug_strtab;
  bfd_byte *debug_contents = NULL;
  bfd_byte *debug_contents = NULL;
  bfd_size_type amt;
  bfd_size_type amt;
Line 2998... Line 3633...
    }
    }
 
 
  ldinfo.failed = FALSE;
  ldinfo.failed = FALSE;
  ldinfo.output_bfd = output_bfd;
  ldinfo.output_bfd = output_bfd;
  ldinfo.info = info;
  ldinfo.info = info;
  ldinfo.export_defineds = export_defineds;
  ldinfo.auto_export_flags = auto_export_flags;
  ldinfo.ldsym_count = 0;
  ldinfo.ldsym_count = 0;
  ldinfo.string_size = 0;
  ldinfo.string_size = 0;
  ldinfo.strings = NULL;
  ldinfo.strings = NULL;
  ldinfo.string_alc = 0;
  ldinfo.string_alc = 0;
 
 
Line 3010... Line 3645...
  xcoff_data (output_bfd)->maxdata = maxdata;
  xcoff_data (output_bfd)->maxdata = maxdata;
  xcoff_data (output_bfd)->modtype = modtype;
  xcoff_data (output_bfd)->modtype = modtype;
 
 
  xcoff_hash_table (info)->file_align = file_align;
  xcoff_hash_table (info)->file_align = file_align;
  xcoff_hash_table (info)->textro = textro;
  xcoff_hash_table (info)->textro = textro;
 
  xcoff_hash_table (info)->rtld = rtld;
  hentry = NULL;
 
  if (entry != NULL)
 
    {
 
      hentry = xcoff_link_hash_lookup (xcoff_hash_table (info), entry,
 
                                       FALSE, FALSE, TRUE);
 
      if (hentry != NULL)
 
        hentry->flags |= XCOFF_ENTRY;
 
    }
 
 
 
  /* __rtinit */
  /* __rtinit */
  if (info->init_function || info->fini_function || rtld)
  if (xcoff_hash_table (info)->loader_section
 
      && (info->init_function || info->fini_function || rtld))
    {
    {
      struct xcoff_link_hash_entry *hsym;
      struct xcoff_link_hash_entry *hsym;
      struct internal_ldsym *ldsym;
      struct internal_ldsym *ldsym;
 
 
      hsym = xcoff_link_hash_lookup (xcoff_hash_table (info),
      hsym = xcoff_link_hash_lookup (xcoff_hash_table (info),
Line 3072... Line 3700...
      hsym->root.type = bfd_link_hash_defined;
      hsym->root.type = bfd_link_hash_defined;
      hsym->root.u.def.value = 0;
      hsym->root.u.def.value = 0;
    }
    }
 
 
  /* Garbage collect unused sections.  */
  /* Garbage collect unused sections.  */
  if (info->relocatable
  if (info->relocatable || !gc)
      || ! gc
 
      || hentry == NULL
 
      || (hentry->root.type != bfd_link_hash_defined
 
          && hentry->root.type != bfd_link_hash_defweak))
 
    {
    {
      gc = FALSE;
      gc = FALSE;
      xcoff_hash_table (info)->gc = FALSE;
      xcoff_hash_table (info)->gc = FALSE;
 
 
      /* We still need to call xcoff_mark, in order to set ldrel_count
      /* We still need to call xcoff_mark, in order to set ldrel_count
Line 3089... Line 3713...
        {
        {
          asection *o;
          asection *o;
 
 
          for (o = sub->sections; o != NULL; o = o->next)
          for (o = sub->sections; o != NULL; o = o->next)
            {
            {
              if ((o->flags & SEC_MARK) == 0)
              /* We shouldn't unconditionaly mark the TOC section.
 
                 The output file should only have a TOC if either
 
                 (a) one of the input files did or (b) we end up
 
                 creating TOC references as part of the link process.  */
 
              if (o != xcoff_hash_table (info)->toc_section
 
                  && (o->flags & SEC_MARK) == 0)
                {
                {
                  if (! xcoff_mark (info, o))
                  if (! xcoff_mark (info, o))
                    goto error_return;
                    goto error_return;
                }
                }
            }
            }
        }
        }
    }
    }
  else
  else
    {
    {
      if (! xcoff_mark (info, hentry->root.u.def.section))
      if (entry != NULL
 
          && !xcoff_mark_symbol_by_name (info, entry, XCOFF_ENTRY))
 
        goto error_return;
 
      if (info->init_function != NULL
 
          && !xcoff_mark_symbol_by_name (info, info->init_function, 0))
 
        goto error_return;
 
      if (info->fini_function != NULL
 
          && !xcoff_mark_symbol_by_name (info, info->fini_function, 0))
 
        goto error_return;
 
      if (auto_export_flags != 0)
 
        {
 
          xcoff_link_hash_traverse (xcoff_hash_table (info),
 
                                    xcoff_mark_auto_exports, &ldinfo);
 
          if (ldinfo.failed)
        goto error_return;
        goto error_return;
 
        }
      xcoff_sweep (info);
      xcoff_sweep (info);
      xcoff_hash_table (info)->gc = TRUE;
      xcoff_hash_table (info)->gc = TRUE;
    }
    }
 
 
  /* Return special sections to the caller.  */
  /* Return special sections to the caller.  */
Line 3122... Line 3765...
 
 
  if (info->input_bfds == NULL)
  if (info->input_bfds == NULL)
    /* I'm not sure what to do in this bizarre case.  */
    /* I'm not sure what to do in this bizarre case.  */
    return TRUE;
    return TRUE;
 
 
  xcoff_link_hash_traverse (xcoff_hash_table (info), xcoff_build_ldsyms,
  xcoff_link_hash_traverse (xcoff_hash_table (info), xcoff_post_gc_symbol,
                            (void *) &ldinfo);
                            (void *) &ldinfo);
  if (ldinfo.failed)
  if (ldinfo.failed)
    goto error_return;
    goto error_return;
 
 
  /* Work out the size of the import file names.  Each import file ID
  if (xcoff_hash_table (info)->loader_section
     consists of three null terminated strings: the path, the file
      && !xcoff_build_loader_section (&ldinfo, libpath))
     name, and the archive member name.  The first entry in the list
    goto error_return;
     of names is the path to use to find objects, which the linker has
 
     passed in as the libpath argument.  For some reason, the path
 
     entry in the other import file names appears to always be empty.  */
 
  impsize = strlen (libpath) + 3;
 
  impcount = 1;
 
  for (fl = xcoff_hash_table (info)->imports; fl != NULL; fl = fl->next)
 
    {
 
      ++impcount;
 
      impsize += (strlen (fl->path)
 
                  + strlen (fl->file)
 
                  + strlen (fl->member)
 
                  + 3);
 
    }
 
 
 
  /* Set up the .loader section header.  */
 
  ldhdr = &xcoff_hash_table (info)->ldhdr;
 
  ldhdr->l_version = bfd_xcoff_ldhdr_version(output_bfd);
 
  ldhdr->l_nsyms = ldinfo.ldsym_count;
 
  ldhdr->l_nreloc = xcoff_hash_table (info)->ldrel_count;
 
  ldhdr->l_istlen = impsize;
 
  ldhdr->l_nimpid = impcount;
 
  ldhdr->l_impoff = (bfd_xcoff_ldhdrsz(output_bfd)
 
                     + ldhdr->l_nsyms * bfd_xcoff_ldsymsz(output_bfd)
 
                     + ldhdr->l_nreloc * bfd_xcoff_ldrelsz(output_bfd));
 
  ldhdr->l_stlen = ldinfo.string_size;
 
  stoff = ldhdr->l_impoff + impsize;
 
  if (ldinfo.string_size == 0)
 
    ldhdr->l_stoff = 0;
 
  else
 
    ldhdr->l_stoff = stoff;
 
 
 
  /* 64 bit elements to ldhdr
 
     The swap out routine for 32 bit will ignore them.
 
     Nothing fancy, symbols come after the header and relocs come
 
     after symbols.  */
 
  ldhdr->l_symoff = bfd_xcoff_ldhdrsz (output_bfd);
 
  ldhdr->l_rldoff = (bfd_xcoff_ldhdrsz (output_bfd)
 
                     + ldhdr->l_nsyms * bfd_xcoff_ldsymsz (output_bfd));
 
 
 
  /* We now know the final size of the .loader section.  Allocate
 
     space for it.  */
 
  lsec = xcoff_hash_table (info)->loader_section;
 
  lsec->size = stoff + ldhdr->l_stlen;
 
  lsec->contents = bfd_zalloc (output_bfd, lsec->size);
 
  if (lsec->contents == NULL)
 
    goto error_return;
 
 
 
  /* Set up the header.  */
 
  bfd_xcoff_swap_ldhdr_out (output_bfd, ldhdr, lsec->contents);
 
 
 
  /* Set up the import file names.  */
 
  out = (char *) lsec->contents + ldhdr->l_impoff;
 
  strcpy (out, libpath);
 
  out += strlen (libpath) + 1;
 
  *out++ = '\0';
 
  *out++ = '\0';
 
  for (fl = xcoff_hash_table (info)->imports; fl != NULL; fl = fl->next)
 
    {
 
      const char *s;
 
 
 
      s = fl->path;
 
      while ((*out++ = *s++) != '\0')
 
        ;
 
      s = fl->file;
 
      while ((*out++ = *s++) != '\0')
 
        ;
 
      s = fl->member;
 
      while ((*out++ = *s++) != '\0')
 
        ;
 
    }
 
 
 
  BFD_ASSERT ((bfd_size_type) ((bfd_byte *) out - lsec->contents) == stoff);
 
 
 
  /* Set up the symbol string table.  */
 
  if (ldinfo.string_size > 0)
 
    {
 
      memcpy (out, ldinfo.strings, ldinfo.string_size);
 
      free (ldinfo.strings);
 
      ldinfo.strings = NULL;
 
    }
 
 
 
  /* We can't set up the symbol table or the relocs yet, because we
 
     don't yet know the final position of the various sections.  The
 
     .loader symbols are written out when the corresponding normal
 
     symbols are written out in xcoff_link_input_bfd or
 
     xcoff_write_global_symbol.  The .loader relocs are written out
 
     when the corresponding normal relocs are handled in
 
     xcoff_link_input_bfd.  */
 
 
 
  /* Allocate space for the magic sections.  */
  /* Allocate space for the magic sections.  */
  sec = xcoff_hash_table (info)->linkage_section;
  sec = xcoff_hash_table (info)->linkage_section;
  if (sec->size > 0)
  if (sec->size > 0)
    {
    {
Line 3242... Line 3797...
      sec->contents = bfd_zalloc (output_bfd, sec->size);
      sec->contents = bfd_zalloc (output_bfd, sec->size);
      if (sec->contents == NULL)
      if (sec->contents == NULL)
        goto error_return;
        goto error_return;
    }
    }
 
 
  /* Now that we've done garbage collection, figure out the contents
  /* Now that we've done garbage collection, decide which symbols to keep,
     of the .debug section.  */
     and figure out the contents of the .debug section.  */
  debug_strtab = xcoff_hash_table (info)->debug_strtab;
  debug_strtab = xcoff_hash_table (info)->debug_strtab;
 
 
  for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
  for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
    {
    {
      asection *subdeb;
      asection *subdeb;
      bfd_size_type symcount;
      bfd_size_type symcount;
      unsigned long *debug_index;
      long *debug_index;
      asection **csectpp;
      asection **csectpp;
 
      unsigned int *lineno_counts;
 
      struct xcoff_link_hash_entry **sym_hash;
      bfd_byte *esym, *esymend;
      bfd_byte *esym, *esymend;
      bfd_size_type symesz;
      bfd_size_type symesz;
 
 
      if (sub->xvec != info->output_bfd->xvec)
      if (sub->xvec != info->output_bfd->xvec)
        continue;
        continue;
      subdeb = bfd_get_section_by_name (sub, ".debug");
 
      if (subdeb == NULL || subdeb->size == 0)
 
        continue;
 
 
 
      if (info->strip == strip_all
      if ((sub->flags & DYNAMIC) != 0
          || info->strip == strip_debugger
          && !info->static_link)
          || info->discard == discard_all)
 
        {
 
          subdeb->size = 0;
 
          continue;
          continue;
        }
 
 
 
      if (! _bfd_coff_get_external_symbols (sub))
      if (! _bfd_coff_get_external_symbols (sub))
        goto error_return;
        goto error_return;
 
 
      symcount = obj_raw_syment_count (sub);
      symcount = obj_raw_syment_count (sub);
      debug_index = bfd_zalloc (sub, symcount * sizeof (unsigned long));
      debug_index = bfd_zalloc (sub, symcount * sizeof (long));
      if (debug_index == NULL)
      if (debug_index == NULL)
        goto error_return;
        goto error_return;
      xcoff_data (sub)->debug_indices = debug_index;
      xcoff_data (sub)->debug_indices = debug_index;
 
 
      /* Grab the contents of the .debug section.  We use malloc and
      if (info->strip == strip_all
         copy the names into the debug stringtab, rather than
          || info->strip == strip_debugger
         bfd_alloc, because I expect that, when linking many files
          || info->discard == discard_all)
         together, many of the strings will be the same.  Storing the
        /* We're stripping all debugging information, so there's no need
         strings in the hash table should save space in this case.  */
           to read SUB's .debug section.  */
 
        subdeb = NULL;
 
      else
 
        {
 
          /* Grab the contents of SUB's .debug section, if any.  */
 
          subdeb = bfd_get_section_by_name (sub, ".debug");
 
          if (subdeb != NULL && subdeb->size > 0)
 
            {
 
              /* We use malloc and copy the names into the debug
 
                 stringtab, rather than bfd_alloc, because I expect
 
                 that, when linking many files together, many of the
 
                 strings will be the same.  Storing the strings in the
 
                 hash table should save space in this case.  */
      if (! bfd_malloc_and_get_section (sub, subdeb, &debug_contents))
      if (! bfd_malloc_and_get_section (sub, subdeb, &debug_contents))
        goto error_return;
        goto error_return;
 
            }
 
        }
 
 
      csectpp = xcoff_data (sub)->csects;
      csectpp = xcoff_data (sub)->csects;
 
      lineno_counts = xcoff_data (sub)->lineno_counts;
      /* Dynamic object do not have csectpp's.  */
      sym_hash = obj_xcoff_sym_hashes (sub);
      if (NULL != csectpp)
 
        {
 
          symesz = bfd_coff_symesz (sub);
          symesz = bfd_coff_symesz (sub);
          esym = (bfd_byte *) obj_coff_external_syms (sub);
          esym = (bfd_byte *) obj_coff_external_syms (sub);
          esymend = esym + symcount * symesz;
          esymend = esym + symcount * symesz;
 
 
          while (esym < esymend)
          while (esym < esymend)
            {
            {
              struct internal_syment sym;
              struct internal_syment sym;
 
          union internal_auxent aux;
 
          asection *csect;
 
          const char *name;
 
          int keep_p;
 
 
              bfd_coff_swap_sym_in (sub, (void *) esym, (void *) &sym);
          bfd_coff_swap_sym_in (sub, esym, &sym);
 
 
              *debug_index = (unsigned long) -1;
          /* Read in the csect information, if any.  */
 
          if (CSECT_SYM_P (sym.n_sclass))
 
            {
 
              BFD_ASSERT (sym.n_numaux > 0);
 
              bfd_coff_swap_aux_in (sub, esym + symesz * sym.n_numaux,
 
                                    sym.n_type, sym.n_sclass,
 
                                    sym.n_numaux - 1, sym.n_numaux, &aux);
 
            }
 
 
              if (sym._n._n_n._n_zeroes == 0
          /* If this symbol's name is stored in the debug section,
                  && *csectpp != NULL
             get a pointer to it.  */
                  && (! gc
          if (debug_contents != NULL
                      || ((*csectpp)->flags & SEC_MARK) != 0
              && sym._n._n_n._n_zeroes == 0
                      || *csectpp == bfd_abs_section_ptr)
 
                  && bfd_coff_symname_in_debug (sub, &sym))
                  && bfd_coff_symname_in_debug (sub, &sym))
 
            name = (const char *) debug_contents + sym._n._n_n._n_offset;
 
          else
 
            name = NULL;
 
 
 
          /* Decide whether to copy this symbol to the output file.  */
 
          csect = *csectpp;
 
          keep_p = xcoff_keep_symbol_p (info, sub, &sym, &aux,
 
                                        *sym_hash, csect, name);
 
          if (keep_p < 0)
 
            return FALSE;
 
 
 
          if (!keep_p)
 
            /* Use a debug_index of -2 to record that a symbol should
 
               be stripped.  */
 
            *debug_index = -2;
 
          else
 
            {
 
              /* See whether we should store the symbol name in the
 
                 output .debug section.  */
 
              if (name != NULL)
                {
                {
                  char *name;
 
                  bfd_size_type indx;
                  bfd_size_type indx;
 
 
                  name = (char *) debug_contents + sym._n._n_n._n_offset;
 
                  indx = _bfd_stringtab_add (debug_strtab, name, TRUE, TRUE);
                  indx = _bfd_stringtab_add (debug_strtab, name, TRUE, TRUE);
                  if (indx == (bfd_size_type) -1)
                  if (indx == (bfd_size_type) -1)
                    goto error_return;
                    goto error_return;
                  *debug_index = indx;
                  *debug_index = indx;
                }
                }
 
              else
 
                *debug_index = -1;
 
              if (*sym_hash != 0)
 
                (*sym_hash)->flags |= XCOFF_ALLOCATED;
 
              if (*lineno_counts > 0)
 
                csect->output_section->lineno_count += *lineno_counts;
 
            }
 
 
              esym += (sym.n_numaux + 1) * symesz;
              esym += (sym.n_numaux + 1) * symesz;
              csectpp += sym.n_numaux + 1;
              csectpp += sym.n_numaux + 1;
 
          sym_hash += sym.n_numaux + 1;
 
          lineno_counts += sym.n_numaux + 1;
              debug_index += sym.n_numaux + 1;
              debug_index += sym.n_numaux + 1;
            }
            }
        }
 
 
 
 
      if (debug_contents)
 
        {
      free (debug_contents);
      free (debug_contents);
      debug_contents = NULL;
      debug_contents = NULL;
 
 
      /* Clear the size of subdeb, so that it is not included directly
      /* Clear the size of subdeb, so that it is not included directly
         in the output file.  */
         in the output file.  */
      subdeb->size = 0;
      subdeb->size = 0;
 
        }
 
 
      if (! info->keep_memory)
      if (! info->keep_memory)
        {
        {
          if (! _bfd_coff_free_symbols (sub))
          if (! _bfd_coff_free_symbols (sub))
            goto error_return;
            goto error_return;
Line 3387... Line 3988...
  abfd->where = 0;
  abfd->where = 0;
 
 
  return TRUE;
  return TRUE;
}
}


 
/* Return the section that defines H.  Return null if no section does.  */
 
 
 
static asection *
 
xcoff_symbol_section (struct xcoff_link_hash_entry *h)
 
{
 
  switch (h->root.type)
 
    {
 
    case bfd_link_hash_defined:
 
    case bfd_link_hash_defweak:
 
      return h->root.u.def.section;
 
 
 
    case bfd_link_hash_common:
 
      return h->root.u.c.p->section;
 
 
 
    default:
 
      return NULL;
 
    }
 
}
 
 
 
/* Add a .loader relocation for input relocation IREL.  If the loader
 
   relocation should be against an output section, HSEC points to the
 
   input section that IREL is against, otherwise HSEC is null.  H is the
 
   symbol that IREL is against, or null if it isn't against a global symbol.
 
   REFERENCE_BFD is the bfd to use in error messages about the relocation.  */
 
 
 
static bfd_boolean
 
xcoff_create_ldrel (bfd *output_bfd, struct xcoff_final_link_info *finfo,
 
                    asection *output_section, bfd *reference_bfd,
 
                    struct internal_reloc *irel, asection *hsec,
 
                    struct xcoff_link_hash_entry *h)
 
{
 
  struct internal_ldrel ldrel;
 
 
 
  ldrel.l_vaddr = irel->r_vaddr;
 
  if (hsec != NULL)
 
    {
 
      const char *secname;
 
 
 
      secname = hsec->output_section->name;
 
      if (strcmp (secname, ".text") == 0)
 
        ldrel.l_symndx = 0;
 
      else if (strcmp (secname, ".data") == 0)
 
        ldrel.l_symndx = 1;
 
      else if (strcmp (secname, ".bss") == 0)
 
        ldrel.l_symndx = 2;
 
      else
 
        {
 
          (*_bfd_error_handler)
 
            (_("%B: loader reloc in unrecognized section `%s'"),
 
             reference_bfd, secname);
 
          bfd_set_error (bfd_error_nonrepresentable_section);
 
          return FALSE;
 
        }
 
    }
 
  else if (h != NULL)
 
    {
 
      if (h->ldindx < 0)
 
        {
 
          (*_bfd_error_handler)
 
            (_("%B: `%s' in loader reloc but not loader sym"),
 
             reference_bfd, h->root.root.string);
 
          bfd_set_error (bfd_error_bad_value);
 
          return FALSE;
 
        }
 
      ldrel.l_symndx = h->ldindx;
 
    }
 
  else
 
    ldrel.l_symndx = -(bfd_size_type) 1;
 
 
 
  ldrel.l_rtype = (irel->r_size << 8) | irel->r_type;
 
  ldrel.l_rsecnm = output_section->target_index;
 
  if (xcoff_hash_table (finfo->info)->textro
 
      && strcmp (output_section->name, ".text") == 0)
 
    {
 
      (*_bfd_error_handler)
 
        (_("%B: loader reloc in read-only section %A"),
 
         reference_bfd, output_section);
 
      bfd_set_error (bfd_error_invalid_operation);
 
      return FALSE;
 
    }
 
  bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel, finfo->ldrel);
 
  finfo->ldrel += bfd_xcoff_ldrelsz (output_bfd);
 
  return TRUE;
 
}
 
 
/* Link an input file into the linker output file.  This function
/* Link an input file into the linker output file.  This function
   handles all the sections and relocations of the input file at once.  */
   handles all the sections and relocations of the input file at once.  */
 
 
static bfd_boolean
static bfd_boolean
xcoff_link_input_bfd (struct xcoff_final_link_info *finfo,
xcoff_link_input_bfd (struct xcoff_final_link_info *finfo,
Line 3408... Line 4094...
  bfd_byte *esym;
  bfd_byte *esym;
  bfd_byte *esym_end;
  bfd_byte *esym_end;
  struct xcoff_link_hash_entry **sym_hash;
  struct xcoff_link_hash_entry **sym_hash;
  struct internal_syment *isymp;
  struct internal_syment *isymp;
  asection **csectpp;
  asection **csectpp;
  unsigned long *debug_index;
  unsigned int *lineno_counts;
 
  long *debug_index;
  long *indexp;
  long *indexp;
  unsigned long output_index;
  unsigned long output_index;
  bfd_byte *outsym;
  bfd_byte *outsym;
  unsigned int incls;
  unsigned int incls;
  asection *oline;
  asection *oline;
Line 3448... Line 4135...
    hash = FALSE;
    hash = FALSE;
 
 
  if (! _bfd_coff_get_external_symbols (input_bfd))
  if (! _bfd_coff_get_external_symbols (input_bfd))
    return FALSE;
    return FALSE;
 
 
 
  /* Make one pass over the symbols and assign indices to symbols that
 
     we have decided to keep.  Also use create .loader symbol information
 
     and update information in hash table entries.  */
  esym = (bfd_byte *) obj_coff_external_syms (input_bfd);
  esym = (bfd_byte *) obj_coff_external_syms (input_bfd);
  esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz;
  esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz;
  sym_hash = obj_xcoff_sym_hashes (input_bfd);
  sym_hash = obj_xcoff_sym_hashes (input_bfd);
  csectpp = xcoff_data (input_bfd)->csects;
  csectpp = xcoff_data (input_bfd)->csects;
  debug_index = xcoff_data (input_bfd)->debug_indices;
  debug_index = xcoff_data (input_bfd)->debug_indices;
  isymp = finfo->internal_syms;
  isymp = finfo->internal_syms;
  indexp = finfo->sym_indices;
  indexp = finfo->sym_indices;
  output_index = syment_base;
  output_index = syment_base;
  outsym = finfo->outsyms;
 
  incls = 0;
 
  oline = NULL;
 
 
 
  while (esym < esym_end)
  while (esym < esym_end)
    {
    {
      struct internal_syment isym;
 
      union internal_auxent aux;
      union internal_auxent aux;
      int smtyp = 0;
      int smtyp = 0;
      bfd_boolean skip;
 
      bfd_boolean require;
 
      int add;
      int add;
 
 
      bfd_coff_swap_sym_in (input_bfd, (void *) esym, (void *) isymp);
      bfd_coff_swap_sym_in (input_bfd, (void *) esym, (void *) isymp);
 
 
      /* If this is a C_EXT or C_HIDEXT symbol, we need the csect
      /* Read in the csect information, if any.  */
         information.  */
      if (CSECT_SYM_P (isymp->n_sclass))
      if (isymp->n_sclass == C_EXT || isymp->n_sclass == C_HIDEXT)
 
        {
        {
          BFD_ASSERT (isymp->n_numaux > 0);
          BFD_ASSERT (isymp->n_numaux > 0);
          bfd_coff_swap_aux_in (input_bfd,
          bfd_coff_swap_aux_in (input_bfd,
                                (void *) (esym + isymesz * isymp->n_numaux),
                                (void *) (esym + isymesz * isymp->n_numaux),
                                isymp->n_type, isymp->n_sclass,
                                isymp->n_type, isymp->n_sclass,
Line 3485... Line 4167...
                                (void *) &aux);
                                (void *) &aux);
 
 
          smtyp = SMTYP_SMTYP (aux.x_csect.x_smtyp);
          smtyp = SMTYP_SMTYP (aux.x_csect.x_smtyp);
        }
        }
 
 
      /* Make a copy of *isymp so that the relocate_section function
 
         always sees the original values.  This is more reliable than
 
         always recomputing the symbol value even if we are stripping
 
         the symbol.  */
 
      isym = *isymp;
 
 
 
      /* If this symbol is in the .loader section, swap out the
      /* If this symbol is in the .loader section, swap out the
         .loader symbol information.  If this is an external symbol
         .loader symbol information.  If this is an external symbol
         reference to a defined symbol, though, then wait until we get
         reference to a defined symbol, though, then wait until we get
         to the definition.  */
         to the definition.  */
      if (isym.n_sclass == C_EXT
      if (EXTERN_SYM_P (isymp->n_sclass)
          && *sym_hash != NULL
          && *sym_hash != NULL
          && (*sym_hash)->ldsym != NULL
          && (*sym_hash)->ldsym != NULL
          && (smtyp != XTY_ER
          && xcoff_final_definition_p (input_bfd, *sym_hash, *csectpp))
              || (*sym_hash)->root.type == bfd_link_hash_undefined))
 
        {
        {
          struct xcoff_link_hash_entry *h;
          struct xcoff_link_hash_entry *h;
          struct internal_ldsym *ldsym;
          struct internal_ldsym *ldsym;
 
 
          h = *sym_hash;
          h = *sym_hash;
          ldsym = h->ldsym;
          ldsym = h->ldsym;
          if (isym.n_scnum > 0)
          if (isymp->n_scnum > 0)
            {
            {
              ldsym->l_scnum = (*csectpp)->output_section->target_index;
              ldsym->l_scnum = (*csectpp)->output_section->target_index;
              ldsym->l_value = (isym.n_value
              ldsym->l_value = (isymp->n_value
                                + (*csectpp)->output_section->vma
                                + (*csectpp)->output_section->vma
                                + (*csectpp)->output_offset
                                + (*csectpp)->output_offset
                                - (*csectpp)->vma);
                                - (*csectpp)->vma);
            }
            }
          else
          else
            {
            {
              ldsym->l_scnum = isym.n_scnum;
              ldsym->l_scnum = isymp->n_scnum;
              ldsym->l_value = isym.n_value;
              ldsym->l_value = isymp->n_value;
            }
            }
 
 
          ldsym->l_smtype = smtyp;
          ldsym->l_smtype = smtyp;
          if (((h->flags & XCOFF_DEF_REGULAR) == 0
          if (((h->flags & XCOFF_DEF_REGULAR) == 0
               && (h->flags & XCOFF_DEF_DYNAMIC) != 0)
               && (h->flags & XCOFF_DEF_DYNAMIC) != 0)
Line 3531... Line 4206...
               && (h->flags & XCOFF_DEF_DYNAMIC) != 0)
               && (h->flags & XCOFF_DEF_DYNAMIC) != 0)
              || (h->flags & XCOFF_EXPORT) != 0)
              || (h->flags & XCOFF_EXPORT) != 0)
            ldsym->l_smtype |= L_EXPORT;
            ldsym->l_smtype |= L_EXPORT;
          if ((h->flags & XCOFF_ENTRY) != 0)
          if ((h->flags & XCOFF_ENTRY) != 0)
            ldsym->l_smtype |= L_ENTRY;
            ldsym->l_smtype |= L_ENTRY;
 
          if (isymp->n_sclass == C_AIX_WEAKEXT)
 
            ldsym->l_smtype |= L_WEAK;
 
 
          ldsym->l_smclas = aux.x_csect.x_smclas;
          ldsym->l_smclas = aux.x_csect.x_smclas;
 
 
          if (ldsym->l_ifile == (bfd_size_type) -1)
          if (ldsym->l_ifile == (bfd_size_type) -1)
            ldsym->l_ifile = 0;
            ldsym->l_ifile = 0;
Line 3582... Line 4259...
              xcoff_data (output_bfd)->snentry =
              xcoff_data (output_bfd)->snentry =
                h->root.u.def.section->output_section->target_index;
                h->root.u.def.section->output_section->target_index;
            }
            }
        }
        }
 
 
      *indexp = -1;
      add = 1 + isymp->n_numaux;
 
 
      skip = FALSE;
 
      require = FALSE;
 
      add = 1 + isym.n_numaux;
 
 
 
      /* If we are skipping this csect, we want to skip this symbol.  */
 
      if (*csectpp == NULL)
 
        skip = TRUE;
 
 
 
      /* If we garbage collected this csect, we want to skip this
      if (*debug_index == -2)
         symbol.  */
        /* We've decided to strip this symbol.  */
      if (! skip
        *indexp = -1;
          && xcoff_hash_table (finfo->info)->gc
 
          && ((*csectpp)->flags & SEC_MARK) == 0
 
          && *csectpp != bfd_abs_section_ptr)
 
        skip = TRUE;
 
 
 
      /* An XCOFF linker always skips C_STAT symbols.  */
 
      if (! skip
 
          && isymp->n_sclass == C_STAT)
 
        skip = TRUE;
 
 
 
      /* We skip all but the first TOC anchor.  */
 
      if (! skip
 
          && isymp->n_sclass == C_HIDEXT
 
          && aux.x_csect.x_smclas == XMC_TC0)
 
        {
 
          if (finfo->toc_symindx != -1)
 
            skip = TRUE;
 
          else
          else
            {
            {
              bfd_vma tocval, tocend;
          /* Assign the next unused index to this symbol.  */
              bfd *inp;
          *indexp = output_index;
 
 
              tocval = ((*csectpp)->output_section->vma
 
                        + (*csectpp)->output_offset
 
                        + isym.n_value
 
                        - (*csectpp)->vma);
 
 
 
              /* We want to find out if tocval is a good value to use
          if (EXTERN_SYM_P (isymp->n_sclass))
                 as the TOC anchor--that is, whether we can access all
 
                 of the TOC using a 16 bit offset from tocval.  This
 
                 test assumes that the TOC comes at the end of the
 
                 output section, as it does in the default linker
 
                 script.  */
 
              tocend = ((*csectpp)->output_section->vma
 
                        + (*csectpp)->output_section->size);
 
              for (inp = finfo->info->input_bfds;
 
                   inp != NULL;
 
                   inp = inp->link_next)
 
                {
                {
 
              BFD_ASSERT (*sym_hash != NULL);
 
              (*sym_hash)->indx = output_index;
 
            }
 
 
                  for (o = inp->sections; o != NULL; o = o->next)
          /* If this is a symbol in the TOC which we may have merged
                    if (strcmp (o->name, ".tocbss") == 0)
             (class XMC_TC), remember the symbol index of the TOC
 
             symbol.  */
 
          if (isymp->n_sclass == C_HIDEXT
 
              && aux.x_csect.x_smclas == XMC_TC
 
              && *sym_hash != NULL)
                      {
                      {
                        bfd_vma new_toc_end;
              BFD_ASSERT (((*sym_hash)->flags & XCOFF_SET_TOC) == 0);
                        new_toc_end = (o->output_section->vma
              BFD_ASSERT ((*sym_hash)->toc_section != NULL);
                                       + o->output_offset
              (*sym_hash)->u.toc_indx = output_index;
                                       + o->size);
 
                        if (new_toc_end > tocend)
 
                          tocend = new_toc_end;
 
                      }
                      }
 
 
 
          output_index += add;
                }
                }
 
 
              if (tocval + 0x10000 < tocend)
      esym += add * isymesz;
                {
      isymp += add;
                  (*_bfd_error_handler)
      csectpp += add;
                    (_("TOC overflow: 0x%lx > 0x10000; try -mminimal-toc when compiling"),
      sym_hash += add;
                     (unsigned long) (tocend - tocval));
      debug_index += add;
                  bfd_set_error (bfd_error_file_too_big);
      ++indexp;
                  return FALSE;
      for (--add; add > 0; --add)
 
        *indexp++ = -1;
                }
                }
 
 
              if (tocval + 0x8000 < tocend)
  /* Now write out the symbols that we decided to keep.  */
                {
 
                  bfd_vma tocadd;
 
 
 
                  tocadd = tocend - (tocval + 0x8000);
  esym = (bfd_byte *) obj_coff_external_syms (input_bfd);
                  tocval += tocadd;
  esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz;
                  isym.n_value += tocadd;
  sym_hash = obj_xcoff_sym_hashes (input_bfd);
                }
  isymp = finfo->internal_syms;
 
  indexp = finfo->sym_indices;
              finfo->toc_symindx = output_index;
  csectpp = xcoff_data (input_bfd)->csects;
              xcoff_data (finfo->output_bfd)->toc = tocval;
  lineno_counts = xcoff_data (input_bfd)->lineno_counts;
              xcoff_data (finfo->output_bfd)->sntoc =
  debug_index = xcoff_data (input_bfd)->debug_indices;
                (*csectpp)->output_section->target_index;
  outsym = finfo->outsyms;
              require = TRUE;
  incls = 0;
 
  oline = NULL;
            }
  while (esym < esym_end)
        }
 
 
 
      /* If we are stripping all symbols, we want to skip this one.  */
 
      if (! skip
 
          && finfo->info->strip == strip_all)
 
        skip = TRUE;
 
 
 
      /* We can skip resolved external references.  */
 
      if (! skip
 
          && isym.n_sclass == C_EXT
 
          && smtyp == XTY_ER
 
          && (*sym_hash)->root.type != bfd_link_hash_undefined)
 
        skip = TRUE;
 
 
 
      /* We can skip common symbols if they got defined somewhere
 
         else.  */
 
      if (! skip
 
          && isym.n_sclass == C_EXT
 
          && smtyp == XTY_CM
 
          && ((*sym_hash)->root.type != bfd_link_hash_common
 
              || (*sym_hash)->root.u.c.p->section != *csectpp)
 
          && ((*sym_hash)->root.type != bfd_link_hash_defined
 
              || (*sym_hash)->root.u.def.section != *csectpp))
 
        skip = TRUE;
 
 
 
      /* Skip local symbols if we are discarding them.  */
 
      if (! skip
 
          && finfo->info->discard == discard_all
 
          && isym.n_sclass != C_EXT
 
          && (isym.n_sclass != C_HIDEXT
 
              || smtyp != XTY_SD))
 
        skip = TRUE;
 
 
 
      /* If we stripping debugging symbols, and this is a debugging
 
         symbol, then skip it.  */
 
      if (! skip
 
          && finfo->info->strip == strip_debugger
 
          && isym.n_scnum == N_DEBUG)
 
        skip = TRUE;
 
 
 
      /* If some symbols are stripped based on the name, work out the
 
         name and decide whether to skip this symbol.  We don't handle
 
         this correctly for symbols whose names are in the .debug
 
         section; to get it right we would need a new bfd_strtab_hash
 
         function to return the string given the index.  */
 
      if (! skip
 
          && (finfo->info->strip == strip_some
 
              || finfo->info->discard == discard_l)
 
          && (debug_index == NULL || *debug_index == (unsigned long) -1))
 
        {
        {
          const char *name;
      int add;
          char buf[SYMNMLEN + 1];
 
 
 
          name = _bfd_coff_internal_syment_name (input_bfd, &isym, buf);
 
 
 
          if (name == NULL)
 
            return FALSE;
 
 
 
          if ((finfo->info->strip == strip_some
      add = 1 + isymp->n_numaux;
               && (bfd_hash_lookup (finfo->info->keep_hash, name, FALSE,
 
                                    FALSE) == NULL))
 
              || (finfo->info->discard == discard_l
 
                  && (isym.n_sclass != C_EXT
 
                      && (isym.n_sclass != C_HIDEXT
 
                          || smtyp != XTY_SD))
 
                  && bfd_is_local_label_name (input_bfd, name)))
 
            skip = TRUE;
 
        }
 
 
 
      /* We can not skip the first TOC anchor.  */
 
      if (skip
 
          && require
 
          && finfo->info->strip != strip_all)
 
        skip = FALSE;
 
 
 
      /* We now know whether we are to skip this symbol or not.  */
      if (*indexp < 0)
      if (! skip)
        esym += add * isymesz;
 
      else
        {
        {
          /* Adjust the symbol in order to output it.  */
          struct internal_syment isym;
 
          int i;
 
 
 
          /* Adjust the symbol in order to output it.  */
 
          isym = *isymp;
          if (isym._n._n_n._n_zeroes == 0
          if (isym._n._n_n._n_zeroes == 0
              && isym._n._n_n._n_offset != 0)
              && isym._n._n_n._n_offset != 0)
            {
            {
              /* This symbol has a long name.  Enter it in the string
              /* This symbol has a long name.  Enter it in the string
                 table we are building.  If *debug_index != -1, the
                 table we are building.  If *debug_index != -1, the
                 name has already been entered in the .debug section.  */
                 name has already been entered in the .debug section.  */
              if (debug_index != NULL && *debug_index != (unsigned long) -1)
              if (*debug_index >= 0)
                isym._n._n_n._n_offset = *debug_index;
                isym._n._n_n._n_offset = *debug_index;
              else
              else
                {
                {
                  const char *name;
                  const char *name;
                  bfd_size_type indx;
                  bfd_size_type indx;
Line 3777... Line 4352...
                    return FALSE;
                    return FALSE;
                  isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx;
                  isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx;
                }
                }
            }
            }
 
 
          if (isym.n_sclass != C_BSTAT
          /* Make __rtinit C_HIDEXT rather than C_EXT.  This avoids
              && isym.n_sclass != C_ESTAT
             multiple definition problems when linking a shared object
              && isym.n_sclass != C_DECL
             statically.  (The native linker doesn't enter __rtinit into
              && isym.n_scnum > 0)
             the normal table at all, but having a local symbol can make
            {
             the objdump output easier to read.)  */
              isym.n_scnum = (*csectpp)->output_section->target_index;
          if (isym.n_sclass == C_EXT
              isym.n_value += ((*csectpp)->output_section->vma
              && *sym_hash
                               + (*csectpp)->output_offset
              && ((*sym_hash)->flags & XCOFF_RTINIT) != 0)
                               - (*csectpp)->vma);
            isym.n_sclass = C_HIDEXT;
            }
 
 
 
          /* The value of a C_FILE symbol is the symbol index of the
          /* The value of a C_FILE symbol is the symbol index of the
             next C_FILE symbol.  The value of the last C_FILE symbol
             next C_FILE symbol.  The value of the last C_FILE symbol
             is -1.  We try to get this right, below, just before we
             is -1.  We try to get this right, below, just before we
             write the symbols out, but in the general case we may
             write the symbols out, but in the general case we may
             have to write the symbol out twice.  */
             have to write the symbol out twice.  */
          if (isym.n_sclass == C_FILE)
          if (isym.n_sclass == C_FILE)
            {
            {
              if (finfo->last_file_index != -1
              if (finfo->last_file_index != -1
                  && finfo->last_file.n_value != (bfd_vma) output_index)
                  && finfo->last_file.n_value != (bfd_vma) *indexp)
                {
                {
                  /* We must correct the value of the last C_FILE entry.  */
                  /* We must correct the value of the last C_FILE entry.  */
                  finfo->last_file.n_value = output_index;
                  finfo->last_file.n_value = *indexp;
                  if ((bfd_size_type) finfo->last_file_index >= syment_base)
                  if ((bfd_size_type) finfo->last_file_index >= syment_base)
                    {
                    {
                      /* The last C_FILE symbol is in this input file.  */
                      /* The last C_FILE symbol is in this input file.  */
                      bfd_coff_swap_sym_out (output_bfd,
                      bfd_coff_swap_sym_out (output_bfd,
                                             (void *) &finfo->last_file,
                                             (void *) &finfo->last_file,
Line 3830... Line 4404...
                              != osymesz))
                              != osymesz))
                        return FALSE;
                        return FALSE;
                    }
                    }
                }
                }
 
 
              finfo->last_file_index = output_index;
              finfo->last_file_index = *indexp;
              finfo->last_file = isym;
              finfo->last_file = isym;
            }
            }
 
 
          /* The value of a C_BINCL or C_EINCL symbol is a file offset
          /* The value of a C_BINCL or C_EINCL symbol is a file offset
             into the line numbers.  We update the symbol values when
             into the line numbers.  We update the symbol values when
Line 3843... Line 4417...
              || isym.n_sclass == C_EINCL)
              || isym.n_sclass == C_EINCL)
            {
            {
              isym.n_value = finfo->line_filepos;
              isym.n_value = finfo->line_filepos;
              ++incls;
              ++incls;
            }
            }
 
 
          /* Output the symbol.  */
 
 
 
          bfd_coff_swap_sym_out (output_bfd, (void *) &isym, (void *) outsym);
 
 
 
          *indexp = output_index;
 
 
 
          if (isym.n_sclass == C_EXT)
 
            {
 
              long indx;
 
              struct xcoff_link_hash_entry *h;
 
 
 
              indx = ((esym - (bfd_byte *) obj_coff_external_syms (input_bfd))
 
                      / isymesz);
 
              h = obj_xcoff_sym_hashes (input_bfd)[indx];
 
              BFD_ASSERT (h != NULL);
 
              h->indx = output_index;
 
            }
 
 
 
          /* If this is a symbol in the TOC which we may have merged
 
             (class XMC_TC), remember the symbol index of the TOC
 
             symbol.  */
 
          if (isym.n_sclass == C_HIDEXT
 
              && aux.x_csect.x_smclas == XMC_TC
 
              && *sym_hash != NULL)
 
            {
 
              BFD_ASSERT (((*sym_hash)->flags & XCOFF_SET_TOC) == 0);
 
              BFD_ASSERT ((*sym_hash)->toc_section != NULL);
 
              (*sym_hash)->u.toc_indx = output_index;
 
            }
 
 
 
          output_index += add;
 
          outsym += add * osymesz;
 
        }
 
 
 
      esym += add * isymesz;
 
      isymp += add;
 
      csectpp += add;
 
      sym_hash += add;
 
      if (debug_index != NULL)
 
        debug_index += add;
 
      ++indexp;
 
      for (--add; add > 0; --add)
 
        *indexp++ = -1;
 
    }
 
 
 
  /* Fix up the aux entries and the C_BSTAT symbols.  This must be
 
     done in a separate pass, because we don't know the correct symbol
 
     indices until we have already decided which symbols we are going
 
     to keep.  */
 
 
 
  esym = (bfd_byte *) obj_coff_external_syms (input_bfd);
 
  esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz;
 
  isymp = finfo->internal_syms;
 
  indexp = finfo->sym_indices;
 
  csectpp = xcoff_data (input_bfd)->csects;
 
  outsym = finfo->outsyms;
 
  while (esym < esym_end)
 
    {
 
      int add;
 
 
 
      add = 1 + isymp->n_numaux;
 
 
 
      if (*indexp < 0)
 
        esym += add * isymesz;
 
      else
 
        {
 
          int i;
 
 
 
          if (isymp->n_sclass == C_BSTAT)
 
            {
 
              struct internal_syment isym;
 
 
 
              bfd_vma indx;
 
 
 
              /* The value of a C_BSTAT symbol is the symbol table
              /* The value of a C_BSTAT symbol is the symbol table
                 index of the containing csect.  */
                 index of the containing csect.  */
              bfd_coff_swap_sym_in (output_bfd, (void *) outsym, (void *) &isym);
          else if (isym.n_sclass == C_BSTAT)
 
            {
 
              bfd_vma indx;
 
 
              indx = isym.n_value;
              indx = isym.n_value;
              if (indx < obj_raw_syment_count (input_bfd))
              if (indx < obj_raw_syment_count (input_bfd))
                {
                {
                  long symindx;
                  long symindx;
 
 
                  symindx = finfo->sym_indices[indx];
                  symindx = finfo->sym_indices[indx];
                  if (symindx < 0)
                  if (symindx < 0)
                    isym.n_value = 0;
                    isym.n_value = 0;
                  else
                  else
                    isym.n_value = symindx;
                    isym.n_value = symindx;
                  bfd_coff_swap_sym_out (output_bfd, (void *) &isym,
 
                                         (void *) outsym);
 
                }
                }
            }
            }
 
          else if (isym.n_sclass != C_ESTAT
 
                   && isym.n_sclass != C_DECL
 
                   && isym.n_scnum > 0)
 
            {
 
              isym.n_scnum = (*csectpp)->output_section->target_index;
 
              isym.n_value += ((*csectpp)->output_section->vma
 
                               + (*csectpp)->output_offset
 
                               - (*csectpp)->vma);
 
            }
 
 
 
          /* Output the symbol.  */
 
          bfd_coff_swap_sym_out (output_bfd, (void *) &isym, (void *) outsym);
 
 
          esym += isymesz;
          esym += isymesz;
          outsym += osymesz;
          outsym += osymesz;
 
 
          for (i = 0; i < isymp->n_numaux && esym < esym_end; i++)
          for (i = 0; i < isymp->n_numaux && esym < esym_end; i++)
Line 3974... Line 4486...
                      if (indx == (bfd_size_type) -1)
                      if (indx == (bfd_size_type) -1)
                        return FALSE;
                        return FALSE;
                      aux.x_file.x_n.x_offset = STRING_SIZE_SIZE + indx;
                      aux.x_file.x_n.x_offset = STRING_SIZE_SIZE + indx;
                    }
                    }
                }
                }
              else if ((isymp->n_sclass == C_EXT
              else if (CSECT_SYM_P (isymp->n_sclass)
                        || isymp->n_sclass == C_HIDEXT)
 
                       && i + 1 == isymp->n_numaux)
                       && i + 1 == isymp->n_numaux)
                {
                {
 
 
                  /* We don't support type checking.  I don't know if
                  /* We don't support type checking.  I don't know if
                     anybody does.  */
                     anybody does.  */
Line 4054... Line 4565...
                }
                }
 
 
              /* Copy over the line numbers, unless we are stripping
              /* Copy over the line numbers, unless we are stripping
                 them.  We do this on a symbol by symbol basis in
                 them.  We do this on a symbol by symbol basis in
                 order to more easily handle garbage collection.  */
                 order to more easily handle garbage collection.  */
              if ((isymp->n_sclass == C_EXT
              if (CSECT_SYM_P (isymp->n_sclass)
                   || isymp->n_sclass == C_HIDEXT)
 
                  && i == 0
                  && i == 0
                  && isymp->n_numaux > 1
                  && isymp->n_numaux > 1
                  && ISFCN (isymp->n_type)
                  && ISFCN (isymp->n_type)
                  && aux.x_sym.x_fcnary.x_fcn.x_lnnoptr != 0)
                  && aux.x_sym.x_fcnary.x_fcn.x_lnnoptr != 0)
                {
                {
                  if (finfo->info->strip != strip_none
                  if (*lineno_counts == 0)
                      && finfo->info->strip != strip_some)
 
                    aux.x_sym.x_fcnary.x_fcn.x_lnnoptr = 0;
                    aux.x_sym.x_fcnary.x_fcn.x_lnnoptr = 0;
                  else
                  else
                    {
                    {
                      asection *enclosing;
                      asection *enclosing;
                      unsigned int enc_count;
                      unsigned int enc_count;
                      bfd_signed_vma linoff;
                      bfd_signed_vma linoff;
                      struct internal_lineno lin;
                      struct internal_lineno lin;
 
                      bfd_byte *linp;
 
                      bfd_byte *linpend;
 
                      bfd_vma offset;
 
                      file_ptr pos;
 
                      bfd_size_type amt;
 
 
 
                      /* Read in the enclosing section's line-number
 
                         information, if we haven't already.  */
                      o = *csectpp;
                      o = *csectpp;
                      enclosing = xcoff_section_data (abfd, o)->enclosing;
                      enclosing = xcoff_section_data (abfd, o)->enclosing;
                      enc_count = xcoff_section_data (abfd, o)->lineno_count;
                      enc_count = xcoff_section_data (abfd, o)->lineno_count;
                      if (oline != enclosing)
                      if (oline != enclosing)
                        {
                        {
                          file_ptr pos = enclosing->line_filepos;
                          pos = enclosing->line_filepos;
                          bfd_size_type amt = linesz * enc_count;
                          amt = linesz * enc_count;
                          if (bfd_seek (input_bfd, pos, SEEK_SET) != 0
                          if (bfd_seek (input_bfd, pos, SEEK_SET) != 0
                              || (bfd_bread (finfo->linenos, amt, input_bfd)
                              || (bfd_bread (finfo->linenos, amt, input_bfd)
                                  != amt))
                                  != amt))
                            return FALSE;
                            return FALSE;
                          oline = enclosing;
                          oline = enclosing;
                        }
                        }
 
 
 
                      /* Copy across the first entry, adjusting its
 
                         symbol index.  */
                      linoff = (aux.x_sym.x_fcnary.x_fcn.x_lnnoptr
                      linoff = (aux.x_sym.x_fcnary.x_fcn.x_lnnoptr
                                - enclosing->line_filepos);
                                - enclosing->line_filepos);
 
                      linp = finfo->linenos + linoff;
                      bfd_coff_swap_lineno_in (input_bfd,
                      bfd_coff_swap_lineno_in (input_bfd, linp, &lin);
                                               (void *) (finfo->linenos + linoff),
 
                                               (void *) &lin);
 
                      if (lin.l_lnno != 0
 
                          || ((bfd_size_type) lin.l_addr.l_symndx
 
                              != ((esym
 
                                   - isymesz
 
                                   - ((bfd_byte *)
 
                                      obj_coff_external_syms (input_bfd)))
 
                                  / isymesz)))
 
                        aux.x_sym.x_fcnary.x_fcn.x_lnnoptr = 0;
 
                      else
 
                        {
 
                          bfd_byte *linpend, *linp;
 
                          bfd_vma offset;
 
                          bfd_size_type count;
 
 
 
                          lin.l_addr.l_symndx = *indexp;
                          lin.l_addr.l_symndx = *indexp;
                          bfd_coff_swap_lineno_out (output_bfd, (void *) &lin,
                      bfd_coff_swap_lineno_out (output_bfd, &lin, linp);
                                                    (void *) (finfo->linenos
 
                                                           + linoff));
 
 
 
                          linpend = (finfo->linenos
                      /* Copy the other entries, adjusting their addresses.  */
                                     + enc_count * linesz);
                      linpend = linp + *lineno_counts * linesz;
                          offset = (o->output_section->vma
                          offset = (o->output_section->vma
                                    + o->output_offset
                                    + o->output_offset
                                    - o->vma);
                                    - o->vma);
                          for (linp = finfo->linenos + linoff + linesz;
                      for (linp += linesz; linp < linpend; linp += linesz)
                               linp < linpend;
 
                               linp += linesz)
 
                            {
                            {
                              bfd_coff_swap_lineno_in (input_bfd, (void *) linp,
                          bfd_coff_swap_lineno_in (input_bfd, linp, &lin);
                                                       (void *) &lin);
 
                              if (lin.l_lnno == 0)
 
                                break;
 
                              lin.l_addr.l_paddr += offset;
                              lin.l_addr.l_paddr += offset;
                              bfd_coff_swap_lineno_out (output_bfd,
                          bfd_coff_swap_lineno_out (output_bfd, &lin, linp);
                                                        (void *) &lin,
 
                                                        (void *) linp);
 
                            }
                            }
 
 
                          count = (linp - (finfo->linenos + linoff)) / linesz;
                      /* Write out the entries we've just processed.  */
 
                      pos = (o->output_section->line_filepos
                          aux.x_sym.x_fcnary.x_fcn.x_lnnoptr =
 
                            (o->output_section->line_filepos
 
                             + o->output_section->lineno_count * linesz);
                             + o->output_section->lineno_count * linesz);
 
                      amt = linesz * *lineno_counts;
                          if (bfd_seek (output_bfd,
                      if (bfd_seek (output_bfd, pos, SEEK_SET) != 0
                                        aux.x_sym.x_fcnary.x_fcn.x_lnnoptr,
                          || bfd_bwrite (finfo->linenos + linoff,
                                        SEEK_SET) != 0
                                         amt, output_bfd) != amt)
                              || (bfd_bwrite (finfo->linenos + linoff,
 
                                             linesz * count, output_bfd)
 
                                  != linesz * count))
 
                            return FALSE;
                            return FALSE;
 
                      o->output_section->lineno_count += *lineno_counts;
 
 
                          o->output_section->lineno_count += count;
                      /* Record the offset of the symbol's line numbers
 
                         in the output file.  */
 
                      aux.x_sym.x_fcnary.x_fcn.x_lnnoptr = pos;
 
 
                          if (incls > 0)
                          if (incls > 0)
                            {
                            {
                              struct internal_syment *iisp, *iispend;
                              struct internal_syment *iisp, *iispend;
                              long *iindp;
                              long *iindp;
                              bfd_byte *oos;
                              bfd_byte *oos;
 
                          bfd_vma range_start, range_end;
                              int iiadd;
                              int iiadd;
 
 
                              /* Update any C_BINCL or C_EINCL symbols
                              /* Update any C_BINCL or C_EINCL symbols
                                 that refer to a line number in the
                                 that refer to a line number in the
                                 range we just output.  */
                                 range we just output.  */
                              iisp = finfo->internal_syms;
                              iisp = finfo->internal_syms;
                              iispend = (iisp
                          iispend = iisp + obj_raw_syment_count (input_bfd);
                                         + obj_raw_syment_count (input_bfd));
 
                              iindp = finfo->sym_indices;
                              iindp = finfo->sym_indices;
                              oos = finfo->outsyms;
                              oos = finfo->outsyms;
 
                          range_start = enclosing->line_filepos + linoff;
 
                          range_end = range_start + *lineno_counts * linesz;
                              while (iisp < iispend)
                              while (iisp < iispend)
                                {
                                {
                                  if (*iindp >= 0
                                  if (*iindp >= 0
                                      && (iisp->n_sclass == C_BINCL
                                      && (iisp->n_sclass == C_BINCL
                                          || iisp->n_sclass == C_EINCL)
                                          || iisp->n_sclass == C_EINCL)
                                      && ((bfd_size_type) iisp->n_value
                                  && iisp->n_value >= range_start
                                          >= (bfd_size_type)(enclosing->line_filepos + linoff))
                                  && iisp->n_value < range_end)
                                      && ((bfd_size_type) iisp->n_value
 
                                          < (enclosing->line_filepos
 
                                             + enc_count * linesz)))
 
                                    {
                                    {
                                      struct internal_syment iis;
                                      struct internal_syment iis;
 
 
                                      bfd_coff_swap_sym_in (output_bfd,
                                  bfd_coff_swap_sym_in (output_bfd, oos, &iis);
                                                            (void *) oos,
                                  iis.n_value = (iisp->n_value
                                                            (void *) &iis);
                                                 - range_start
                                      iis.n_value =
                                                 + pos);
                                        (iisp->n_value
 
                                         - enclosing->line_filepos
 
                                         - linoff
 
                                         + aux.x_sym.x_fcnary.x_fcn.x_lnnoptr);
 
                                      bfd_coff_swap_sym_out (output_bfd,
                                      bfd_coff_swap_sym_out (output_bfd,
                                                             (void *) &iis,
                                                         &iis, oos);
                                                             (void *) oos);
 
                                      --incls;
                                      --incls;
                                    }
                                    }
 
 
                                  iiadd = 1 + iisp->n_numaux;
                                  iiadd = 1 + iisp->n_numaux;
                                  if (*iindp >= 0)
                                  if (*iindp >= 0)
Line 4196... Line 4681...
                                  iindp += iiadd;
                                  iindp += iiadd;
                                }
                                }
                            }
                            }
                        }
                        }
                    }
                    }
                }
 
 
 
              bfd_coff_swap_aux_out (output_bfd, (void *) &aux, isymp->n_type,
              bfd_coff_swap_aux_out (output_bfd, (void *) &aux, isymp->n_type,
                                     isymp->n_sclass, i, isymp->n_numaux,
                                     isymp->n_sclass, i, isymp->n_numaux,
                                     (void *) outsym);
                                     (void *) outsym);
              outsym += osymesz;
              outsym += osymesz;
              esym += isymesz;
              esym += isymesz;
            }
            }
        }
        }
 
 
 
      sym_hash += add;
      indexp += add;
      indexp += add;
      isymp += add;
      isymp += add;
      csectpp += add;
      csectpp += add;
 
      lineno_counts += add;
 
      debug_index += add;
    }
    }
 
 
  /* If we swapped out a C_FILE symbol, guess that the next C_FILE
  /* If we swapped out a C_FILE symbol, guess that the next C_FILE
     symbol will be the first symbol in the next input file.  In the
     symbol will be the first symbol in the next input file.  In the
     normal case, this will save us from writing out the C_FILE symbol
     normal case, this will save us from writing out the C_FILE symbol
Line 4310... Line 4797...
          rel_hash = (finfo->section_info[target_index].rel_hashes
          rel_hash = (finfo->section_info[target_index].rel_hashes
                      + o->output_section->reloc_count);
                      + o->output_section->reloc_count);
          for (; irel < irelend; irel++, rel_hash++)
          for (; irel < irelend; irel++, rel_hash++)
            {
            {
              struct xcoff_link_hash_entry *h = NULL;
              struct xcoff_link_hash_entry *h = NULL;
              struct internal_ldrel ldrel;
 
              bfd_boolean quiet;
 
 
 
              *rel_hash = NULL;
              *rel_hash = NULL;
 
 
              /* Adjust the reloc address and symbol index.  */
              /* Adjust the reloc address and symbol index.  */
 
 
Line 4444... Line 4929...
                            return FALSE;
                            return FALSE;
                        }
                        }
                    }
                    }
                }
                }
 
 
              quiet = FALSE;
              if (xcoff_need_ldrel_p (finfo->info, irel, h))
              switch (irel->r_type)
 
                {
 
                default:
 
                  if (h == NULL
 
                      || h->root.type == bfd_link_hash_defined
 
                      || h->root.type == bfd_link_hash_defweak
 
                      || h->root.type == bfd_link_hash_common)
 
                    break;
 
                  /* Fall through.  */
 
                case R_POS:
 
                case R_NEG:
 
                case R_RL:
 
                case R_RLA:
 
                  /* This reloc needs to be copied into the .loader
 
                     section.  */
 
                  ldrel.l_vaddr = irel->r_vaddr;
 
                  if (r_symndx == -1)
 
                    ldrel.l_symndx = -(bfd_size_type ) 1;
 
                  else if (h == NULL
 
                           || (h->root.type == bfd_link_hash_defined
 
                               || h->root.type == bfd_link_hash_defweak
 
                               || h->root.type == bfd_link_hash_common))
 
                    {
                    {
                      asection *sec;
                      asection *sec;
 
 
                      if (h == NULL)
                  if (r_symndx == -1)
 
                    sec = NULL;
 
                  else if (h == NULL)
                        sec = xcoff_data (input_bfd)->csects[r_symndx];
                        sec = xcoff_data (input_bfd)->csects[r_symndx];
                      else if (h->root.type == bfd_link_hash_common)
 
                        sec = h->root.u.c.p->section;
 
                      else
 
                        sec = h->root.u.def.section;
 
                      sec = sec->output_section;
 
 
 
                      if (strcmp (sec->name, ".text") == 0)
 
                        ldrel.l_symndx = 0;
 
                      else if (strcmp (sec->name, ".data") == 0)
 
                        ldrel.l_symndx = 1;
 
                      else if (strcmp (sec->name, ".bss") == 0)
 
                        ldrel.l_symndx = 2;
 
                      else
 
                        {
 
                          (*_bfd_error_handler)
 
                            (_("%B: loader reloc in unrecognized section `%A'"),
 
                             input_bfd, sec);
 
                          bfd_set_error (bfd_error_nonrepresentable_section);
 
                          return FALSE;
 
                        }
 
                    }
 
                  else
                  else
                    {
                    sec = xcoff_symbol_section (h);
                      if (! finfo->info->relocatable
                  if (!xcoff_create_ldrel (output_bfd, finfo,
                          && (h->flags & XCOFF_DEF_DYNAMIC) == 0
                                           o->output_section, input_bfd,
                          && (h->flags & XCOFF_IMPORT) == 0)
                                           irel, sec, h))
                        {
 
                          /* We already called the undefined_symbol
 
                             callback for this relocation, in
 
                             _bfd_ppc_xcoff_relocate_section.  Don't
 
                             issue any more warnings.  */
 
                          quiet = TRUE;
 
                        }
 
                      if (h->ldindx < 0 && ! quiet)
 
                        {
 
                          (*_bfd_error_handler)
 
                            (_("%B: `%s' in loader reloc but not loader sym"),
 
                             input_bfd,
 
                             h->root.root.string);
 
                          bfd_set_error (bfd_error_bad_value);
 
                          return FALSE;
 
                        }
 
                      ldrel.l_symndx = h->ldindx;
 
                    }
 
                  ldrel.l_rtype = (irel->r_size << 8) | irel->r_type;
 
                  ldrel.l_rsecnm = o->output_section->target_index;
 
                  if (xcoff_hash_table (finfo->info)->textro
 
                      && strcmp (o->output_section->name, ".text") == 0
 
                      && ! quiet)
 
                    {
 
                      (*_bfd_error_handler)
 
                        (_("%B: loader reloc in read-only section %A"),
 
                         input_bfd, o->output_section);
 
                      bfd_set_error (bfd_error_invalid_operation);
 
                      return FALSE;
                      return FALSE;
                    }
                    }
                  bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel,
 
                                            finfo->ldrel);
 
 
 
                  finfo->ldrel += bfd_xcoff_ldrelsz(output_bfd);
 
                  break;
 
 
 
                case R_TOC:
 
                case R_GL:
 
                case R_TCL:
 
                case R_TRL:
 
                case R_TRLA:
 
                  /* We should never need a .loader reloc for a TOC
 
                     relative reloc.  */
 
                  break;
 
                }
 
            }
            }
 
 
          o->output_section->reloc_count += o->reloc_count;
          o->output_section->reloc_count += o->reloc_count;
        }
        }
 
 
Line 4585... Line 4986...
    return -1;
    return -1;
  else
  else
    return 0;
    return 0;
}
}
 
 
 
/* Return true if section SEC is a TOC section.  */
 
 
 
static inline bfd_boolean
 
xcoff_toc_section_p (asection *sec)
 
{
 
  const char *name;
 
 
 
  name = sec->name;
 
  if (name[0] == '.' && name[1] == 't')
 
    {
 
      if (name[2] == 'c')
 
        {
 
          if (name[3] == '0' && name[4] == 0)
 
            return TRUE;
 
          if (name[3] == 0)
 
            return TRUE;
 
        }
 
      if (name[2] == 'd' && name[3] == 0)
 
        return TRUE;
 
    }
 
  return FALSE;
 
}
 
 
 
/* See if the link requires a TOC (it usually does!).  If so, find a
 
   good place to put the TOC anchor csect, and write out the associated
 
   symbol.  */
 
 
 
static bfd_boolean
 
xcoff_find_tc0 (bfd *output_bfd, struct xcoff_final_link_info *finfo)
 
{
 
  bfd_vma toc_start, toc_end, start, end, best_address;
 
  asection *sec;
 
  bfd *input_bfd;
 
  int section_index;
 
  struct internal_syment irsym;
 
  union internal_auxent iraux;
 
  file_ptr pos;
 
  size_t size;
 
 
 
  /* Set [TOC_START, TOC_END) to the range of the TOC.  Record the
 
     index of a csect at the beginning of the TOC.  */
 
  toc_start = ~(bfd_vma) 0;
 
  toc_end = 0;
 
  section_index = -1;
 
  for (input_bfd = finfo->info->input_bfds;
 
       input_bfd != NULL;
 
       input_bfd = input_bfd->link_next)
 
    for (sec = input_bfd->sections; sec != NULL; sec = sec->next)
 
      if ((sec->flags & SEC_MARK) != 0 && xcoff_toc_section_p (sec))
 
        {
 
          start = sec->output_section->vma + sec->output_offset;
 
          if (toc_start > start)
 
            {
 
              toc_start = start;
 
              section_index = sec->output_section->target_index;
 
            }
 
 
 
          end = start + sec->size;
 
          if (toc_end < end)
 
            toc_end = end;
 
        }
 
 
 
  /* There's no need for a TC0 symbol if we don't have a TOC.  */
 
  if (toc_end < toc_start)
 
    {
 
      xcoff_data (output_bfd)->toc = toc_start;
 
      return TRUE;
 
    }
 
 
 
  if (toc_end - toc_start < 0x8000)
 
    /* Every TOC csect can be accessed from TOC_START.  */
 
    best_address = toc_start;
 
  else
 
    {
 
      /* Find the lowest TOC csect that is still within range of TOC_END.  */
 
      best_address = toc_end;
 
      for (input_bfd = finfo->info->input_bfds;
 
           input_bfd != NULL;
 
           input_bfd = input_bfd->link_next)
 
        for (sec = input_bfd->sections; sec != NULL; sec = sec->next)
 
          if ((sec->flags & SEC_MARK) != 0 && xcoff_toc_section_p (sec))
 
            {
 
              start = sec->output_section->vma + sec->output_offset;
 
              if (start < best_address
 
                  && start + 0x8000 >= toc_end)
 
                {
 
                  best_address = start;
 
                  section_index = sec->output_section->target_index;
 
                }
 
            }
 
 
 
      /* Make sure that the start of the TOC is also within range.  */
 
      if (best_address > toc_start + 0x8000)
 
        {
 
          (*_bfd_error_handler)
 
            (_("TOC overflow: 0x%lx > 0x10000; try -mminimal-toc "
 
               "when compiling"),
 
             (unsigned long) (toc_end - toc_start));
 
          bfd_set_error (bfd_error_file_too_big);
 
          return FALSE;
 
        }
 
    }
 
 
 
  /* Record the chosen TOC value.  */
 
  finfo->toc_symindx = obj_raw_syment_count (output_bfd);
 
  xcoff_data (output_bfd)->toc = best_address;
 
  xcoff_data (output_bfd)->sntoc = section_index;
 
 
 
  /* Fill out the TC0 symbol.  */
 
  if (!bfd_xcoff_put_symbol_name (output_bfd, finfo->strtab, &irsym, "TOC"))
 
    return FALSE;
 
  irsym.n_value = best_address;
 
  irsym.n_scnum = section_index;
 
  irsym.n_sclass = C_HIDEXT;
 
  irsym.n_type = T_NULL;
 
  irsym.n_numaux = 1;
 
  bfd_coff_swap_sym_out (output_bfd, &irsym, finfo->outsyms);
 
 
 
  /* Fill out the auxillary csect information.  */
 
  memset (&iraux, 0, sizeof iraux);
 
  iraux.x_csect.x_smtyp = XTY_SD;
 
  iraux.x_csect.x_smclas = XMC_TC0;
 
  iraux.x_csect.x_scnlen.l = 0;
 
  bfd_coff_swap_aux_out (output_bfd, &iraux, T_NULL, C_HIDEXT, 0, 1,
 
                         finfo->outsyms + bfd_coff_symesz (output_bfd));
 
 
 
  /* Write the contents to the file.  */
 
  pos = obj_sym_filepos (output_bfd);
 
  pos += obj_raw_syment_count (output_bfd) * bfd_coff_symesz (output_bfd);
 
  size = 2 * bfd_coff_symesz (output_bfd);
 
  if (bfd_seek (output_bfd, pos, SEEK_SET) != 0
 
      || bfd_bwrite (finfo->outsyms, size, output_bfd) != size)
 
    return FALSE;
 
  obj_raw_syment_count (output_bfd) += 2;
 
 
 
  return TRUE;
 
}
 
 
/* Write out a non-XCOFF global symbol.  */
/* Write out a non-XCOFF global symbol.  */
 
 
static bfd_boolean
static bfd_boolean
xcoff_write_global_symbol (struct xcoff_link_hash_entry *h, void * inf)
xcoff_write_global_symbol (struct xcoff_link_hash_entry *h, void * inf)
{
{
Line 4760... Line 5299...
    {
    {
      asection *tocsec;
      asection *tocsec;
      asection *osec;
      asection *osec;
      int oindx;
      int oindx;
      struct internal_reloc *irel;
      struct internal_reloc *irel;
      struct internal_ldrel ldrel;
 
      struct internal_syment irsym;
      struct internal_syment irsym;
      union internal_auxent iraux;
      union internal_auxent iraux;
 
 
      tocsec = h->toc_section;
      tocsec = h->toc_section;
      osec = tocsec->output_section;
      osec = tocsec->output_section;
Line 4813... Line 5351...
 
 
      irel->r_type = R_POS;
      irel->r_type = R_POS;
      finfo->section_info[oindx].rel_hashes[osec->reloc_count] = NULL;
      finfo->section_info[oindx].rel_hashes[osec->reloc_count] = NULL;
      ++osec->reloc_count;
      ++osec->reloc_count;
 
 
      ldrel.l_vaddr = irel->r_vaddr;
      if (!xcoff_create_ldrel (output_bfd, finfo, osec,
      ldrel.l_symndx = h->ldindx;
                               output_bfd, irel, NULL, h))
      ldrel.l_rtype = (irel->r_size << 8) | R_POS;
        return FALSE;
      ldrel.l_rsecnm = oindx;
 
      bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel, finfo->ldrel);
 
      finfo->ldrel += bfd_xcoff_ldrelsz(output_bfd);
 
 
 
      /* We need to emit a symbol to define a csect which holds
      /* We need to emit a symbol to define a csect which holds
         the reloc.  */
         the reloc.  */
      if (finfo->info->strip != strip_all)
      if (finfo->info->strip != strip_all)
        {
        {
Line 4884... Line 5419...
      int oindx;
      int oindx;
      bfd_byte *p;
      bfd_byte *p;
      struct xcoff_link_hash_entry *hentry;
      struct xcoff_link_hash_entry *hentry;
      asection *esec;
      asection *esec;
      struct internal_reloc *irel;
      struct internal_reloc *irel;
      struct internal_ldrel ldrel;
 
      asection *tsec;
      asection *tsec;
      unsigned int reloc_size, byte_size;
      unsigned int reloc_size, byte_size;
 
 
      if (bfd_xcoff_is_xcoff64 (output_bfd))
      if (bfd_xcoff_is_xcoff64 (output_bfd))
        {
        {
Line 4922... Line 5456...
      irel->r_type = R_POS;
      irel->r_type = R_POS;
      irel->r_size = reloc_size;
      irel->r_size = reloc_size;
      finfo->section_info[oindx].rel_hashes[osec->reloc_count] = NULL;
      finfo->section_info[oindx].rel_hashes[osec->reloc_count] = NULL;
      ++osec->reloc_count;
      ++osec->reloc_count;
 
 
      ldrel.l_vaddr = irel->r_vaddr;
      if (!xcoff_create_ldrel (output_bfd, finfo, osec,
      if (strcmp (esec->output_section->name, ".text") == 0)
                               output_bfd, irel, esec, NULL))
        ldrel.l_symndx = 0;
 
      else if (strcmp (esec->output_section->name, ".data") == 0)
 
        ldrel.l_symndx = 1;
 
      else if (strcmp (esec->output_section->name, ".bss") == 0)
 
        ldrel.l_symndx = 2;
 
      else
 
        {
 
          (*_bfd_error_handler)
 
            (_("%s: loader reloc in unrecognized section `%s'"),
 
             bfd_get_filename (output_bfd),
 
             esec->output_section->name);
 
          bfd_set_error (bfd_error_nonrepresentable_section);
 
          return FALSE;
          return FALSE;
        }
 
      ldrel.l_rtype = (reloc_size << 8) | R_POS;
 
      ldrel.l_rsecnm = oindx;
 
      bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel, finfo->ldrel);
 
      finfo->ldrel += bfd_xcoff_ldrelsz(output_bfd);
 
 
 
      /* There are three items to write out,
      /* There are three items to write out,
         the address of the code
         the address of the code
         the address of the toc anchor
         the address of the toc anchor
         the environment pointer.
         the environment pointer.
Line 4984... Line 5501...
      irel->r_type = R_POS;
      irel->r_type = R_POS;
      irel->r_size = reloc_size;
      irel->r_size = reloc_size;
      finfo->section_info[oindx].rel_hashes[osec->reloc_count] = NULL;
      finfo->section_info[oindx].rel_hashes[osec->reloc_count] = NULL;
      ++osec->reloc_count;
      ++osec->reloc_count;
 
 
      ldrel.l_vaddr = irel->r_vaddr;
      if (!xcoff_create_ldrel (output_bfd, finfo, osec,
      if (strcmp (tsec->output_section->name, ".text") == 0)
                               output_bfd, irel, tsec, NULL))
        ldrel.l_symndx = 0;
 
      else if (strcmp (tsec->output_section->name, ".data") == 0)
 
        ldrel.l_symndx = 1;
 
      else if (strcmp (tsec->output_section->name, ".bss") == 0)
 
        ldrel.l_symndx = 2;
 
      else
 
        {
 
          (*_bfd_error_handler)
 
            (_("%s: loader reloc in unrecognized section `%s'"),
 
             bfd_get_filename (output_bfd),
 
             tsec->output_section->name);
 
          bfd_set_error (bfd_error_nonrepresentable_section);
 
          return FALSE;
          return FALSE;
        }
        }
      ldrel.l_rtype = (reloc_size << 8) | R_POS;
 
      ldrel.l_rsecnm = oindx;
 
      bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel, finfo->ldrel);
 
      finfo->ldrel += bfd_xcoff_ldrelsz(output_bfd);
 
    }
 
 
 
  if (h->indx >= 0 || finfo->info->strip == strip_all)
  if (h->indx >= 0 || finfo->info->strip == strip_all)
    {
    {
      BFD_ASSERT (outsym == finfo->outsyms);
      BFD_ASSERT (outsym == finfo->outsyms);
      return TRUE;
      return TRUE;
Line 5043... Line 5543...
  if (h->root.type == bfd_link_hash_undefined
  if (h->root.type == bfd_link_hash_undefined
      || h->root.type == bfd_link_hash_undefweak)
      || h->root.type == bfd_link_hash_undefweak)
    {
    {
      isym.n_value = 0;
      isym.n_value = 0;
      isym.n_scnum = N_UNDEF;
      isym.n_scnum = N_UNDEF;
 
      if (h->root.type == bfd_link_hash_undefweak
 
          && C_WEAKEXT == C_AIX_WEAKEXT)
 
        isym.n_sclass = C_WEAKEXT;
 
      else
      isym.n_sclass = C_EXT;
      isym.n_sclass = C_EXT;
      aux.x_csect.x_smtyp = XTY_ER;
      aux.x_csect.x_smtyp = XTY_ER;
    }
    }
  else if ((h->root.type == bfd_link_hash_defined
  else if ((h->root.type == bfd_link_hash_defined
            || h->root.type == bfd_link_hash_defweak)
            || h->root.type == bfd_link_hash_defweak)
           && h->smclas == XMC_XO)
           && h->smclas == XMC_XO)
    {
    {
      BFD_ASSERT (bfd_is_abs_section (h->root.u.def.section));
      BFD_ASSERT (bfd_is_abs_section (h->root.u.def.section));
      isym.n_value = h->root.u.def.value;
      isym.n_value = h->root.u.def.value;
      isym.n_scnum = N_UNDEF;
      isym.n_scnum = N_UNDEF;
 
      if (h->root.type == bfd_link_hash_undefweak
 
          && C_WEAKEXT == C_AIX_WEAKEXT)
 
        isym.n_sclass = C_WEAKEXT;
 
      else
      isym.n_sclass = C_EXT;
      isym.n_sclass = C_EXT;
      aux.x_csect.x_smtyp = XTY_ER;
      aux.x_csect.x_smtyp = XTY_ER;
    }
    }
  else if (h->root.type == bfd_link_hash_defined
  else if (h->root.type == bfd_link_hash_defined
           || h->root.type == bfd_link_hash_defweak)
           || h->root.type == bfd_link_hash_defweak)
Line 5115... Line 5623...
      && h->smclas != XMC_XO)
      && h->smclas != XMC_XO)
    {
    {
      /* We just output an SD symbol.  Now output an LD symbol.  */
      /* We just output an SD symbol.  Now output an LD symbol.  */
      h->indx += 2;
      h->indx += 2;
 
 
 
      if (h->root.type == bfd_link_hash_undefweak
 
          && C_WEAKEXT == C_AIX_WEAKEXT)
 
        isym.n_sclass = C_WEAKEXT;
 
      else
      isym.n_sclass = C_EXT;
      isym.n_sclass = C_EXT;
      bfd_coff_swap_sym_out (output_bfd, (void *) &isym, (void *) outsym);
      bfd_coff_swap_sym_out (output_bfd, (void *) &isym, (void *) outsym);
      outsym += bfd_coff_symesz (output_bfd);
      outsym += bfd_coff_symesz (output_bfd);
 
 
      aux.x_csect.x_smtyp = XTY_LD;
      aux.x_csect.x_smtyp = XTY_LD;
Line 5153... Line 5665...
  asection *hsec;
  asection *hsec;
  bfd_vma hval;
  bfd_vma hval;
  bfd_vma addend;
  bfd_vma addend;
  struct internal_reloc *irel;
  struct internal_reloc *irel;
  struct xcoff_link_hash_entry **rel_hash_ptr;
  struct xcoff_link_hash_entry **rel_hash_ptr;
  struct internal_ldrel ldrel;
 
 
 
  if (link_order->type == bfd_section_reloc_link_order)
  if (link_order->type == bfd_section_reloc_link_order)
    /* We need to somehow locate a symbol in the right section.  The
    /* We need to somehow locate a symbol in the right section.  The
       symbol must either have a value of zero, or we must adjust
       symbol must either have a value of zero, or we must adjust
       the addend by the value of the symbol.  FIXME: Write this
       the addend by the value of the symbol.  FIXME: Write this
Line 5181... Line 5692...
             (finfo->info, link_order->u.reloc.p->u.name, NULL, NULL, (bfd_vma) 0)))
             (finfo->info, link_order->u.reloc.p->u.name, NULL, NULL, (bfd_vma) 0)))
        return FALSE;
        return FALSE;
      return TRUE;
      return TRUE;
    }
    }
 
 
  if (h->root.type == bfd_link_hash_common)
  hsec = xcoff_symbol_section (h);
    {
  if (h->root.type == bfd_link_hash_defined
      hsec = h->root.u.c.p->section;
 
      hval = 0;
 
    }
 
  else if (h->root.type == bfd_link_hash_defined
 
           || h->root.type == bfd_link_hash_defweak)
           || h->root.type == bfd_link_hash_defweak)
    {
 
      hsec = h->root.u.def.section;
 
      hval = h->root.u.def.value;
      hval = h->root.u.def.value;
    }
 
  else
  else
    {
 
      hsec = NULL;
 
      hval = 0;
      hval = 0;
    }
 
 
 
  addend = link_order->u.reloc.p->addend;
  addend = link_order->u.reloc.p->addend;
  if (hsec != NULL)
  if (hsec != NULL)
    addend += (hsec->output_section->vma
    addend += (hsec->output_section->vma
               + hsec->output_offset
               + hsec->output_offset
Line 5271... Line 5772...
    irel->r_size |= 0x80;
    irel->r_size |= 0x80;
 
 
  ++output_section->reloc_count;
  ++output_section->reloc_count;
 
 
  /* Now output the reloc to the .loader section.  */
  /* Now output the reloc to the .loader section.  */
 
  if (xcoff_hash_table (finfo->info)->loader_section)
  ldrel.l_vaddr = irel->r_vaddr;
 
 
 
  if (hsec != NULL)
 
    {
 
      const char *secname;
 
 
 
      secname = hsec->output_section->name;
 
 
 
      if (strcmp (secname, ".text") == 0)
 
        ldrel.l_symndx = 0;
 
      else if (strcmp (secname, ".data") == 0)
 
        ldrel.l_symndx = 1;
 
      else if (strcmp (secname, ".bss") == 0)
 
        ldrel.l_symndx = 2;
 
      else
 
        {
        {
          (*_bfd_error_handler)
      if (!xcoff_create_ldrel (output_bfd, finfo, output_section,
            (_("%s: loader reloc in unrecognized section `%s'"),
                               output_bfd, irel, hsec, h))
             bfd_get_filename (output_bfd), secname);
 
          bfd_set_error (bfd_error_nonrepresentable_section);
 
          return FALSE;
 
        }
 
    }
 
  else
 
    {
 
      if (h->ldindx < 0)
 
        {
 
          (*_bfd_error_handler)
 
            (_("%s: `%s' in loader reloc but not loader sym"),
 
             bfd_get_filename (output_bfd),
 
             h->root.root.string);
 
          bfd_set_error (bfd_error_bad_value);
 
          return FALSE;
          return FALSE;
        }
        }
      ldrel.l_symndx = h->ldindx;
 
    }
 
 
 
  ldrel.l_rtype = (irel->r_size << 8) | irel->r_type;
 
  ldrel.l_rsecnm = output_section->target_index;
 
  bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel, finfo->ldrel);
 
  finfo->ldrel += bfd_xcoff_ldrelsz(output_bfd);
 
 
 
  return TRUE;
  return TRUE;
}
}
 
 
/* Do the final link step.  */
/* Do the final link step.  */
Line 5359... Line 5824...
  finfo.outsyms = NULL;
  finfo.outsyms = NULL;
  finfo.linenos = NULL;
  finfo.linenos = NULL;
  finfo.contents = NULL;
  finfo.contents = NULL;
  finfo.external_relocs = NULL;
  finfo.external_relocs = NULL;
 
 
 
  if (xcoff_hash_table (info)->loader_section)
 
    {
  finfo.ldsym = (xcoff_hash_table (info)->loader_section->contents
  finfo.ldsym = (xcoff_hash_table (info)->loader_section->contents
                 + bfd_xcoff_ldhdrsz (abfd));
                 + bfd_xcoff_ldhdrsz (abfd));
  finfo.ldrel = (xcoff_hash_table (info)->loader_section->contents
  finfo.ldrel = (xcoff_hash_table (info)->loader_section->contents
                 + bfd_xcoff_ldhdrsz(abfd)
                 + bfd_xcoff_ldhdrsz(abfd)
                 + (xcoff_hash_table (info)->ldhdr.l_nsyms
                 + (xcoff_hash_table (info)->ldhdr.l_nsyms
                    * bfd_xcoff_ldsymsz(abfd)));
                    * bfd_xcoff_ldsymsz(abfd)));
 
    }
 
  else
 
    {
 
      finfo.ldsym = NULL;
 
      finfo.ldrel = NULL;
 
    }
 
 
  xcoff_data (abfd)->coff.link_info = info;
  xcoff_data (abfd)->coff.link_info = info;
 
 
  finfo.strtab = _bfd_stringtab_init ();
  finfo.strtab = _bfd_stringtab_init ();
  if (finfo.strtab == NULL)
  if (finfo.strtab == NULL)
    goto error_return;
    goto error_return;
 
 
  /* Count the line number and relocation entries required for the
  /* Count the relocation entries required for the output file.
     output file.  Determine a few maximum sizes.  */
     (We've already counted the line numbers.)  Determine a few
 
     maximum sizes.  */
  max_contents_size = 0;
  max_contents_size = 0;
  max_lineno_count = 0;
  max_lineno_count = 0;
  max_reloc_count = 0;
  max_reloc_count = 0;
  for (o = abfd->sections; o != NULL; o = o->next)
  for (o = abfd->sections; o != NULL; o = o->next)
    {
    {
      o->reloc_count = 0;
      o->reloc_count = 0;
      o->lineno_count = 0;
 
      for (p = o->map_head.link_order; p != NULL; p = p->next)
      for (p = o->map_head.link_order; p != NULL; p = p->next)
        {
        {
          if (p->type == bfd_indirect_link_order)
          if (p->type == bfd_indirect_link_order)
            {
            {
              asection *sec;
              asection *sec;
Line 5395... Line 5868...
                 link.  This will normally be every section.  We need
                 link.  This will normally be every section.  We need
                 to do this so that we can identify any sections which
                 to do this so that we can identify any sections which
                 the linker has decided to not include.  */
                 the linker has decided to not include.  */
              sec->linker_mark = TRUE;
              sec->linker_mark = TRUE;
 
 
              if (info->strip == strip_none
 
                  || info->strip == strip_some)
 
                o->lineno_count += sec->lineno_count;
 
 
 
              o->reloc_count += sec->reloc_count;
              o->reloc_count += sec->reloc_count;
 
 
              if (sec->rawsize > max_contents_size)
              if (sec->rawsize > max_contents_size)
                max_contents_size = sec->rawsize;
                max_contents_size = sec->rawsize;
              if (sec->size > max_contents_size)
              if (sec->size > max_contents_size)
                max_contents_size = sec->size;
                max_contents_size = sec->size;
              if (sec->lineno_count > max_lineno_count)
 
                max_lineno_count = sec->lineno_count;
 
              if (coff_section_data (sec->owner, sec) != NULL
              if (coff_section_data (sec->owner, sec) != NULL
                  && xcoff_section_data (sec->owner, sec) != NULL
                  && xcoff_section_data (sec->owner, sec) != NULL
                  && (xcoff_section_data (sec->owner, sec)->lineno_count
                  && (xcoff_section_data (sec->owner, sec)->lineno_count
                      > max_lineno_count))
                      > max_lineno_count))
                max_lineno_count =
                max_lineno_count =
Line 5661... Line 6128...
      || (finfo.contents == NULL && max_contents_size > 0)
      || (finfo.contents == NULL && max_contents_size > 0)
      || (finfo.external_relocs == NULL && max_reloc_count > 0))
      || (finfo.external_relocs == NULL && max_reloc_count > 0))
    goto error_return;
    goto error_return;
 
 
  obj_raw_syment_count (abfd) = 0;
  obj_raw_syment_count (abfd) = 0;
  xcoff_data (abfd)->toc = (bfd_vma) -1;
 
 
  /* Find a TOC symbol, if we need one.  */
 
  if (!xcoff_find_tc0 (abfd, &finfo))
 
    goto error_return;
 
 
  /* We now know the position of everything in the file, except that
  /* We now know the position of everything in the file, except that
     we don't know the size of the symbol table and therefore we don't
     we don't know the size of the symbol table and therefore we don't
     know where the string table starts.  We just build the string
     know where the string table starts.  We just build the string
     table in memory as we go along.  We process all the relocations
     table in memory as we go along.  We process all the relocations
Line 5854... Line 6324...
      free (finfo.section_info);
      free (finfo.section_info);
      finfo.section_info = NULL;
      finfo.section_info = NULL;
    }
    }
 
 
  /* Write out the loader section contents.  */
  /* Write out the loader section contents.  */
 
  o = xcoff_hash_table (info)->loader_section;
 
  if (o)
 
    {
  BFD_ASSERT ((bfd_byte *) finfo.ldrel
  BFD_ASSERT ((bfd_byte *) finfo.ldrel
              == (xcoff_hash_table (info)->loader_section->contents
              == (xcoff_hash_table (info)->loader_section->contents
                  + xcoff_hash_table (info)->ldhdr.l_impoff));
                  + xcoff_hash_table (info)->ldhdr.l_impoff));
  o = xcoff_hash_table (info)->loader_section;
 
  if (! bfd_set_section_contents (abfd, o->output_section, o->contents,
  if (! bfd_set_section_contents (abfd, o->output_section, o->contents,
                                  (file_ptr) o->output_offset, o->size))
                                  (file_ptr) o->output_offset, o->size))
    goto error_return;
    goto error_return;
 
    }
 
 
  /* Write out the magic sections.  */
  /* Write out the magic sections.  */
  o = xcoff_hash_table (info)->linkage_section;
  o = xcoff_hash_table (info)->linkage_section;
  if (o->size > 0
  if (o->size > 0
      && ! bfd_set_section_contents (abfd, o->output_section, o->contents,
      && ! bfd_set_section_contents (abfd, o->output_section, o->contents,

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