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[/] [openrisc/] [trunk/] [gnu-old/] [binutils-2.18.50/] [gas/] [config/] [obj-elf.c] - Diff between revs 156 and 816

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/* ELF object file format
/* ELF object file format
   Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
   Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
   2001, 2002, 2003, 2004, 2005, 2006, 2007
   2001, 2002, 2003, 2004, 2005, 2006, 2007
   Free Software Foundation, Inc.
   Free Software Foundation, Inc.
 
 
   This file is part of GAS, the GNU Assembler.
   This file is part of GAS, the GNU Assembler.
 
 
   GAS is free software; you can redistribute it and/or modify
   GAS is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as
   it under the terms of the GNU General Public License as
   published by the Free Software Foundation; either version 3,
   published by the Free Software Foundation; either version 3,
   or (at your option) any later version.
   or (at your option) any later version.
 
 
   GAS is distributed in the hope that it will be useful, but
   GAS is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
   the GNU General Public License for more details.
   the GNU General Public License for more details.
 
 
   You should have received a copy of the GNU General Public License
   You should have received a copy of the GNU General Public License
   along with GAS; see the file COPYING.  If not, write to the Free
   along with GAS; see the file COPYING.  If not, write to the Free
   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
   02110-1301, USA.  */
   02110-1301, USA.  */
 
 
#define OBJ_HEADER "obj-elf.h"
#define OBJ_HEADER "obj-elf.h"
#include "as.h"
#include "as.h"
#include "safe-ctype.h"
#include "safe-ctype.h"
#include "subsegs.h"
#include "subsegs.h"
#include "obstack.h"
#include "obstack.h"
#include "struc-symbol.h"
#include "struc-symbol.h"
#include "dwarf2dbg.h"
#include "dwarf2dbg.h"
 
 
#ifndef ECOFF_DEBUGGING
#ifndef ECOFF_DEBUGGING
#define ECOFF_DEBUGGING 0
#define ECOFF_DEBUGGING 0
#else
#else
#define NEED_ECOFF_DEBUG
#define NEED_ECOFF_DEBUG
#endif
#endif
 
 
#ifdef NEED_ECOFF_DEBUG
#ifdef NEED_ECOFF_DEBUG
#include "ecoff.h"
#include "ecoff.h"
#endif
#endif
 
 
#ifdef TC_ALPHA
#ifdef TC_ALPHA
#include "elf/alpha.h"
#include "elf/alpha.h"
#endif
#endif
 
 
#ifdef TC_MIPS
#ifdef TC_MIPS
#include "elf/mips.h"
#include "elf/mips.h"
#endif
#endif
 
 
#ifdef TC_PPC
#ifdef TC_PPC
#include "elf/ppc.h"
#include "elf/ppc.h"
#endif
#endif
 
 
#ifdef TC_I370
#ifdef TC_I370
#include "elf/i370.h"
#include "elf/i370.h"
#endif
#endif
 
 
#ifdef TC_I386
#ifdef TC_I386
#include "elf/x86-64.h"
#include "elf/x86-64.h"
#endif
#endif
 
 
#ifdef TC_MEP
#ifdef TC_MEP
#include "elf/mep.h"
#include "elf/mep.h"
#endif
#endif
 
 
static void obj_elf_line (int);
static void obj_elf_line (int);
static void obj_elf_size (int);
static void obj_elf_size (int);
static void obj_elf_type (int);
static void obj_elf_type (int);
static void obj_elf_ident (int);
static void obj_elf_ident (int);
static void obj_elf_weak (int);
static void obj_elf_weak (int);
static void obj_elf_local (int);
static void obj_elf_local (int);
static void obj_elf_visibility (int);
static void obj_elf_visibility (int);
static void obj_elf_symver (int);
static void obj_elf_symver (int);
static void obj_elf_subsection (int);
static void obj_elf_subsection (int);
static void obj_elf_popsection (int);
static void obj_elf_popsection (int);
static void obj_elf_tls_common (int);
static void obj_elf_tls_common (int);
static void obj_elf_lcomm (int);
static void obj_elf_lcomm (int);
static void obj_elf_struct (int);
static void obj_elf_struct (int);
 
 
static const pseudo_typeS elf_pseudo_table[] =
static const pseudo_typeS elf_pseudo_table[] =
{
{
  {"comm", obj_elf_common, 0},
  {"comm", obj_elf_common, 0},
  {"common", obj_elf_common, 1},
  {"common", obj_elf_common, 1},
  {"ident", obj_elf_ident, 0},
  {"ident", obj_elf_ident, 0},
  {"lcomm", obj_elf_lcomm, 0},
  {"lcomm", obj_elf_lcomm, 0},
  {"local", obj_elf_local, 0},
  {"local", obj_elf_local, 0},
  {"previous", obj_elf_previous, 0},
  {"previous", obj_elf_previous, 0},
  {"section", obj_elf_section, 0},
  {"section", obj_elf_section, 0},
  {"section.s", obj_elf_section, 0},
  {"section.s", obj_elf_section, 0},
  {"sect", obj_elf_section, 0},
  {"sect", obj_elf_section, 0},
  {"sect.s", obj_elf_section, 0},
  {"sect.s", obj_elf_section, 0},
  {"pushsection", obj_elf_section, 1},
  {"pushsection", obj_elf_section, 1},
  {"popsection", obj_elf_popsection, 0},
  {"popsection", obj_elf_popsection, 0},
  {"size", obj_elf_size, 0},
  {"size", obj_elf_size, 0},
  {"type", obj_elf_type, 0},
  {"type", obj_elf_type, 0},
  {"version", obj_elf_version, 0},
  {"version", obj_elf_version, 0},
  {"weak", obj_elf_weak, 0},
  {"weak", obj_elf_weak, 0},
 
 
  /* These define symbol visibility.  */
  /* These define symbol visibility.  */
  {"internal", obj_elf_visibility, STV_INTERNAL},
  {"internal", obj_elf_visibility, STV_INTERNAL},
  {"hidden", obj_elf_visibility, STV_HIDDEN},
  {"hidden", obj_elf_visibility, STV_HIDDEN},
  {"protected", obj_elf_visibility, STV_PROTECTED},
  {"protected", obj_elf_visibility, STV_PROTECTED},
 
 
  /* These are used for stabs-in-elf configurations.  */
  /* These are used for stabs-in-elf configurations.  */
  {"line", obj_elf_line, 0},
  {"line", obj_elf_line, 0},
 
 
  /* This is a GNU extension to handle symbol versions.  */
  /* This is a GNU extension to handle symbol versions.  */
  {"symver", obj_elf_symver, 0},
  {"symver", obj_elf_symver, 0},
 
 
  /* A GNU extension to change subsection only.  */
  /* A GNU extension to change subsection only.  */
  {"subsection", obj_elf_subsection, 0},
  {"subsection", obj_elf_subsection, 0},
 
 
  /* These are GNU extensions to aid in garbage collecting C++ vtables.  */
  /* These are GNU extensions to aid in garbage collecting C++ vtables.  */
  {"vtable_inherit", (void (*) (int)) &obj_elf_vtable_inherit, 0},
  {"vtable_inherit", (void (*) (int)) &obj_elf_vtable_inherit, 0},
  {"vtable_entry", (void (*) (int)) &obj_elf_vtable_entry, 0},
  {"vtable_entry", (void (*) (int)) &obj_elf_vtable_entry, 0},
 
 
  /* These are used for dwarf.  */
  /* These are used for dwarf.  */
  {"2byte", cons, 2},
  {"2byte", cons, 2},
  {"4byte", cons, 4},
  {"4byte", cons, 4},
  {"8byte", cons, 8},
  {"8byte", cons, 8},
  /* These are used for dwarf2.  */
  /* These are used for dwarf2.  */
  { "file", (void (*) (int)) dwarf2_directive_file, 0 },
  { "file", (void (*) (int)) dwarf2_directive_file, 0 },
  { "loc",  dwarf2_directive_loc,  0 },
  { "loc",  dwarf2_directive_loc,  0 },
  { "loc_mark_labels", dwarf2_directive_loc_mark_labels, 0 },
  { "loc_mark_labels", dwarf2_directive_loc_mark_labels, 0 },
 
 
  /* We need to trap the section changing calls to handle .previous.  */
  /* We need to trap the section changing calls to handle .previous.  */
  {"data", obj_elf_data, 0},
  {"data", obj_elf_data, 0},
  {"offset", obj_elf_struct, 0},
  {"offset", obj_elf_struct, 0},
  {"struct", obj_elf_struct, 0},
  {"struct", obj_elf_struct, 0},
  {"text", obj_elf_text, 0},
  {"text", obj_elf_text, 0},
 
 
  {"tls_common", obj_elf_tls_common, 0},
  {"tls_common", obj_elf_tls_common, 0},
 
 
  /* End sentinel.  */
  /* End sentinel.  */
  {NULL, NULL, 0},
  {NULL, NULL, 0},
};
};
 
 
static const pseudo_typeS ecoff_debug_pseudo_table[] =
static const pseudo_typeS ecoff_debug_pseudo_table[] =
{
{
#ifdef NEED_ECOFF_DEBUG
#ifdef NEED_ECOFF_DEBUG
  /* COFF style debugging information for ECOFF. .ln is not used; .loc
  /* COFF style debugging information for ECOFF. .ln is not used; .loc
     is used instead.  */
     is used instead.  */
  { "def",      ecoff_directive_def,    0 },
  { "def",      ecoff_directive_def,    0 },
  { "dim",      ecoff_directive_dim,    0 },
  { "dim",      ecoff_directive_dim,    0 },
  { "endef",    ecoff_directive_endef,  0 },
  { "endef",    ecoff_directive_endef,  0 },
  { "file",     ecoff_directive_file,   0 },
  { "file",     ecoff_directive_file,   0 },
  { "scl",      ecoff_directive_scl,    0 },
  { "scl",      ecoff_directive_scl,    0 },
  { "tag",      ecoff_directive_tag,    0 },
  { "tag",      ecoff_directive_tag,    0 },
  { "val",      ecoff_directive_val,    0 },
  { "val",      ecoff_directive_val,    0 },
 
 
  /* COFF debugging requires pseudo-ops .size and .type, but ELF
  /* COFF debugging requires pseudo-ops .size and .type, but ELF
     already has meanings for those.  We use .esize and .etype
     already has meanings for those.  We use .esize and .etype
     instead.  These are only generated by gcc anyhow.  */
     instead.  These are only generated by gcc anyhow.  */
  { "esize",    ecoff_directive_size,   0 },
  { "esize",    ecoff_directive_size,   0 },
  { "etype",    ecoff_directive_type,   0 },
  { "etype",    ecoff_directive_type,   0 },
 
 
  /* ECOFF specific debugging information.  */
  /* ECOFF specific debugging information.  */
  { "begin",    ecoff_directive_begin,  0 },
  { "begin",    ecoff_directive_begin,  0 },
  { "bend",     ecoff_directive_bend,   0 },
  { "bend",     ecoff_directive_bend,   0 },
  { "end",      ecoff_directive_end,    0 },
  { "end",      ecoff_directive_end,    0 },
  { "ent",      ecoff_directive_ent,    0 },
  { "ent",      ecoff_directive_ent,    0 },
  { "fmask",    ecoff_directive_fmask,  0 },
  { "fmask",    ecoff_directive_fmask,  0 },
  { "frame",    ecoff_directive_frame,  0 },
  { "frame",    ecoff_directive_frame,  0 },
  { "loc",      ecoff_directive_loc,    0 },
  { "loc",      ecoff_directive_loc,    0 },
  { "mask",     ecoff_directive_mask,   0 },
  { "mask",     ecoff_directive_mask,   0 },
 
 
  /* Other ECOFF directives.  */
  /* Other ECOFF directives.  */
  { "extern",   ecoff_directive_extern, 0 },
  { "extern",   ecoff_directive_extern, 0 },
 
 
  /* These are used on Irix.  I don't know how to implement them.  */
  /* These are used on Irix.  I don't know how to implement them.  */
  { "alias",    s_ignore,               0 },
  { "alias",    s_ignore,               0 },
  { "bgnb",     s_ignore,               0 },
  { "bgnb",     s_ignore,               0 },
  { "endb",     s_ignore,               0 },
  { "endb",     s_ignore,               0 },
  { "lab",      s_ignore,               0 },
  { "lab",      s_ignore,               0 },
  { "noalias",  s_ignore,               0 },
  { "noalias",  s_ignore,               0 },
  { "verstamp", s_ignore,               0 },
  { "verstamp", s_ignore,               0 },
  { "vreg",     s_ignore,               0 },
  { "vreg",     s_ignore,               0 },
#endif
#endif
 
 
  {NULL, NULL, 0}                        /* end sentinel */
  {NULL, NULL, 0}                        /* end sentinel */
};
};
 
 
#undef NO_RELOC
#undef NO_RELOC
#include "aout/aout64.h"
#include "aout/aout64.h"
 
 
/* This is called when the assembler starts.  */
/* This is called when the assembler starts.  */
 
 
asection *elf_com_section_ptr;
asection *elf_com_section_ptr;
 
 
void
void
elf_begin (void)
elf_begin (void)
{
{
  asection *s;
  asection *s;
 
 
  /* Add symbols for the known sections to the symbol table.  */
  /* Add symbols for the known sections to the symbol table.  */
  s = bfd_get_section_by_name (stdoutput, TEXT_SECTION_NAME);
  s = bfd_get_section_by_name (stdoutput, TEXT_SECTION_NAME);
  symbol_table_insert (section_symbol (s));
  symbol_table_insert (section_symbol (s));
  s = bfd_get_section_by_name (stdoutput, DATA_SECTION_NAME);
  s = bfd_get_section_by_name (stdoutput, DATA_SECTION_NAME);
  symbol_table_insert (section_symbol (s));
  symbol_table_insert (section_symbol (s));
  s = bfd_get_section_by_name (stdoutput, BSS_SECTION_NAME);
  s = bfd_get_section_by_name (stdoutput, BSS_SECTION_NAME);
  symbol_table_insert (section_symbol (s));
  symbol_table_insert (section_symbol (s));
  elf_com_section_ptr = bfd_com_section_ptr;
  elf_com_section_ptr = bfd_com_section_ptr;
}
}
 
 
void
void
elf_pop_insert (void)
elf_pop_insert (void)
{
{
  pop_insert (elf_pseudo_table);
  pop_insert (elf_pseudo_table);
  if (ECOFF_DEBUGGING)
  if (ECOFF_DEBUGGING)
    pop_insert (ecoff_debug_pseudo_table);
    pop_insert (ecoff_debug_pseudo_table);
}
}
 
 
static bfd_vma
static bfd_vma
elf_s_get_size (symbolS *sym)
elf_s_get_size (symbolS *sym)
{
{
  return S_GET_SIZE (sym);
  return S_GET_SIZE (sym);
}
}
 
 
static void
static void
elf_s_set_size (symbolS *sym, bfd_vma sz)
elf_s_set_size (symbolS *sym, bfd_vma sz)
{
{
  S_SET_SIZE (sym, sz);
  S_SET_SIZE (sym, sz);
}
}
 
 
static bfd_vma
static bfd_vma
elf_s_get_align (symbolS *sym)
elf_s_get_align (symbolS *sym)
{
{
  return S_GET_ALIGN (sym);
  return S_GET_ALIGN (sym);
}
}
 
 
static void
static void
elf_s_set_align (symbolS *sym, bfd_vma align)
elf_s_set_align (symbolS *sym, bfd_vma align)
{
{
  S_SET_ALIGN (sym, align);
  S_SET_ALIGN (sym, align);
}
}
 
 
int
int
elf_s_get_other (symbolS *sym)
elf_s_get_other (symbolS *sym)
{
{
  return elf_symbol (symbol_get_bfdsym (sym))->internal_elf_sym.st_other;
  return elf_symbol (symbol_get_bfdsym (sym))->internal_elf_sym.st_other;
}
}
 
 
static void
static void
elf_s_set_other (symbolS *sym, int other)
elf_s_set_other (symbolS *sym, int other)
{
{
  S_SET_OTHER (sym, other);
  S_SET_OTHER (sym, other);
}
}
 
 
static int
static int
elf_sec_sym_ok_for_reloc (asection *sec)
elf_sec_sym_ok_for_reloc (asection *sec)
{
{
  return obj_sec_sym_ok_for_reloc (sec);
  return obj_sec_sym_ok_for_reloc (sec);
}
}
 
 
void
void
elf_file_symbol (const char *s, int appfile)
elf_file_symbol (const char *s, int appfile)
{
{
  if (!appfile
  if (!appfile
      || symbol_rootP == NULL
      || symbol_rootP == NULL
      || symbol_rootP->bsym == NULL
      || symbol_rootP->bsym == NULL
      || (symbol_rootP->bsym->flags & BSF_FILE) == 0)
      || (symbol_rootP->bsym->flags & BSF_FILE) == 0)
    {
    {
      symbolS *sym;
      symbolS *sym;
 
 
      sym = symbol_new (s, absolute_section, 0, NULL);
      sym = symbol_new (s, absolute_section, 0, NULL);
      symbol_set_frag (sym, &zero_address_frag);
      symbol_set_frag (sym, &zero_address_frag);
      symbol_get_bfdsym (sym)->flags |= BSF_FILE;
      symbol_get_bfdsym (sym)->flags |= BSF_FILE;
 
 
      if (symbol_rootP != sym)
      if (symbol_rootP != sym)
        {
        {
          symbol_remove (sym, &symbol_rootP, &symbol_lastP);
          symbol_remove (sym, &symbol_rootP, &symbol_lastP);
          symbol_insert (sym, symbol_rootP, &symbol_rootP, &symbol_lastP);
          symbol_insert (sym, symbol_rootP, &symbol_rootP, &symbol_lastP);
#ifdef DEBUG
#ifdef DEBUG
          verify_symbol_chain (symbol_rootP, symbol_lastP);
          verify_symbol_chain (symbol_rootP, symbol_lastP);
#endif
#endif
        }
        }
    }
    }
 
 
#ifdef NEED_ECOFF_DEBUG
#ifdef NEED_ECOFF_DEBUG
  ecoff_new_file (s, appfile);
  ecoff_new_file (s, appfile);
#endif
#endif
}
}
 
 
/* Called from read.c:s_comm after we've parsed .comm symbol, size.
/* Called from read.c:s_comm after we've parsed .comm symbol, size.
   Parse a possible alignment value.  */
   Parse a possible alignment value.  */
 
 
symbolS *
symbolS *
elf_common_parse (int ignore ATTRIBUTE_UNUSED, symbolS *symbolP, addressT size)
elf_common_parse (int ignore ATTRIBUTE_UNUSED, symbolS *symbolP, addressT size)
{
{
  addressT align = 0;
  addressT align = 0;
  int is_local = symbol_get_obj (symbolP)->local;
  int is_local = symbol_get_obj (symbolP)->local;
 
 
  if (*input_line_pointer == ',')
  if (*input_line_pointer == ',')
    {
    {
      char *save = input_line_pointer;
      char *save = input_line_pointer;
 
 
      input_line_pointer++;
      input_line_pointer++;
      SKIP_WHITESPACE ();
      SKIP_WHITESPACE ();
 
 
      if (*input_line_pointer == '"')
      if (*input_line_pointer == '"')
        {
        {
          /* For sparc.  Accept .common symbol, length, "bss"  */
          /* For sparc.  Accept .common symbol, length, "bss"  */
          input_line_pointer++;
          input_line_pointer++;
          /* Some use the dot, some don't.  */
          /* Some use the dot, some don't.  */
          if (*input_line_pointer == '.')
          if (*input_line_pointer == '.')
            input_line_pointer++;
            input_line_pointer++;
          /* Some say data, some say bss.  */
          /* Some say data, some say bss.  */
          if (strncmp (input_line_pointer, "bss\"", 4) == 0)
          if (strncmp (input_line_pointer, "bss\"", 4) == 0)
            input_line_pointer += 4;
            input_line_pointer += 4;
          else if (strncmp (input_line_pointer, "data\"", 5) == 0)
          else if (strncmp (input_line_pointer, "data\"", 5) == 0)
            input_line_pointer += 5;
            input_line_pointer += 5;
          else
          else
            {
            {
              char *p = input_line_pointer;
              char *p = input_line_pointer;
              char c;
              char c;
 
 
              while (*--p != '"')
              while (*--p != '"')
                ;
                ;
              while (!is_end_of_line[(unsigned char) *input_line_pointer])
              while (!is_end_of_line[(unsigned char) *input_line_pointer])
                if (*input_line_pointer++ == '"')
                if (*input_line_pointer++ == '"')
                  break;
                  break;
              c = *input_line_pointer;
              c = *input_line_pointer;
              *input_line_pointer = '\0';
              *input_line_pointer = '\0';
              as_bad (_("bad .common segment %s"), p);
              as_bad (_("bad .common segment %s"), p);
              *input_line_pointer = c;
              *input_line_pointer = c;
              ignore_rest_of_line ();
              ignore_rest_of_line ();
              return NULL;
              return NULL;
            }
            }
          /* ??? Don't ask me why these are always global.  */
          /* ??? Don't ask me why these are always global.  */
          is_local = 0;
          is_local = 0;
        }
        }
      else
      else
        {
        {
          input_line_pointer = save;
          input_line_pointer = save;
          align = parse_align (is_local);
          align = parse_align (is_local);
          if (align == (addressT) -1)
          if (align == (addressT) -1)
            return NULL;
            return NULL;
        }
        }
    }
    }
 
 
  if (is_local)
  if (is_local)
    {
    {
      bss_alloc (symbolP, size, align);
      bss_alloc (symbolP, size, align);
      S_CLEAR_EXTERNAL (symbolP);
      S_CLEAR_EXTERNAL (symbolP);
    }
    }
  else
  else
    {
    {
      S_SET_VALUE (symbolP, size);
      S_SET_VALUE (symbolP, size);
      S_SET_ALIGN (symbolP, align);
      S_SET_ALIGN (symbolP, align);
      S_SET_EXTERNAL (symbolP);
      S_SET_EXTERNAL (symbolP);
      S_SET_SEGMENT (symbolP, elf_com_section_ptr);
      S_SET_SEGMENT (symbolP, elf_com_section_ptr);
    }
    }
 
 
  symbol_get_bfdsym (symbolP)->flags |= BSF_OBJECT;
  symbol_get_bfdsym (symbolP)->flags |= BSF_OBJECT;
 
 
  return symbolP;
  return symbolP;
}
}
 
 
void
void
obj_elf_common (int is_common)
obj_elf_common (int is_common)
{
{
  if (flag_mri && is_common)
  if (flag_mri && is_common)
    s_mri_common (0);
    s_mri_common (0);
  else
  else
    s_comm_internal (0, elf_common_parse);
    s_comm_internal (0, elf_common_parse);
}
}
 
 
static void
static void
obj_elf_tls_common (int ignore ATTRIBUTE_UNUSED)
obj_elf_tls_common (int ignore ATTRIBUTE_UNUSED)
{
{
  symbolS *symbolP = s_comm_internal (0, elf_common_parse);
  symbolS *symbolP = s_comm_internal (0, elf_common_parse);
 
 
  if (symbolP)
  if (symbolP)
    symbol_get_bfdsym (symbolP)->flags |= BSF_THREAD_LOCAL;
    symbol_get_bfdsym (symbolP)->flags |= BSF_THREAD_LOCAL;
}
}
 
 
static void
static void
obj_elf_lcomm (int ignore ATTRIBUTE_UNUSED)
obj_elf_lcomm (int ignore ATTRIBUTE_UNUSED)
{
{
  symbolS *symbolP = s_comm_internal (0, s_lcomm_internal);
  symbolS *symbolP = s_comm_internal (0, s_lcomm_internal);
 
 
  if (symbolP)
  if (symbolP)
    symbol_get_bfdsym (symbolP)->flags |= BSF_OBJECT;
    symbol_get_bfdsym (symbolP)->flags |= BSF_OBJECT;
}
}
 
 
static void
static void
obj_elf_local (int ignore ATTRIBUTE_UNUSED)
obj_elf_local (int ignore ATTRIBUTE_UNUSED)
{
{
  char *name;
  char *name;
  int c;
  int c;
  symbolS *symbolP;
  symbolS *symbolP;
 
 
  do
  do
    {
    {
      name = input_line_pointer;
      name = input_line_pointer;
      c = get_symbol_end ();
      c = get_symbol_end ();
      symbolP = symbol_find_or_make (name);
      symbolP = symbol_find_or_make (name);
      *input_line_pointer = c;
      *input_line_pointer = c;
      SKIP_WHITESPACE ();
      SKIP_WHITESPACE ();
      S_CLEAR_EXTERNAL (symbolP);
      S_CLEAR_EXTERNAL (symbolP);
      symbol_get_obj (symbolP)->local = 1;
      symbol_get_obj (symbolP)->local = 1;
      if (c == ',')
      if (c == ',')
        {
        {
          input_line_pointer++;
          input_line_pointer++;
          SKIP_WHITESPACE ();
          SKIP_WHITESPACE ();
          if (*input_line_pointer == '\n')
          if (*input_line_pointer == '\n')
            c = '\n';
            c = '\n';
        }
        }
    }
    }
  while (c == ',');
  while (c == ',');
  demand_empty_rest_of_line ();
  demand_empty_rest_of_line ();
}
}
 
 
static void
static void
obj_elf_weak (int ignore ATTRIBUTE_UNUSED)
obj_elf_weak (int ignore ATTRIBUTE_UNUSED)
{
{
  char *name;
  char *name;
  int c;
  int c;
  symbolS *symbolP;
  symbolS *symbolP;
 
 
  do
  do
    {
    {
      name = input_line_pointer;
      name = input_line_pointer;
      c = get_symbol_end ();
      c = get_symbol_end ();
      symbolP = symbol_find_or_make (name);
      symbolP = symbol_find_or_make (name);
      *input_line_pointer = c;
      *input_line_pointer = c;
      SKIP_WHITESPACE ();
      SKIP_WHITESPACE ();
      S_SET_WEAK (symbolP);
      S_SET_WEAK (symbolP);
      symbol_get_obj (symbolP)->local = 1;
      symbol_get_obj (symbolP)->local = 1;
      if (c == ',')
      if (c == ',')
        {
        {
          input_line_pointer++;
          input_line_pointer++;
          SKIP_WHITESPACE ();
          SKIP_WHITESPACE ();
          if (*input_line_pointer == '\n')
          if (*input_line_pointer == '\n')
            c = '\n';
            c = '\n';
        }
        }
    }
    }
  while (c == ',');
  while (c == ',');
  demand_empty_rest_of_line ();
  demand_empty_rest_of_line ();
}
}
 
 
static void
static void
obj_elf_visibility (int visibility)
obj_elf_visibility (int visibility)
{
{
  char *name;
  char *name;
  int c;
  int c;
  symbolS *symbolP;
  symbolS *symbolP;
  asymbol *bfdsym;
  asymbol *bfdsym;
  elf_symbol_type *elfsym;
  elf_symbol_type *elfsym;
 
 
  do
  do
    {
    {
      name = input_line_pointer;
      name = input_line_pointer;
      c = get_symbol_end ();
      c = get_symbol_end ();
      symbolP = symbol_find_or_make (name);
      symbolP = symbol_find_or_make (name);
      *input_line_pointer = c;
      *input_line_pointer = c;
 
 
      SKIP_WHITESPACE ();
      SKIP_WHITESPACE ();
 
 
      bfdsym = symbol_get_bfdsym (symbolP);
      bfdsym = symbol_get_bfdsym (symbolP);
      elfsym = elf_symbol_from (bfd_asymbol_bfd (bfdsym), bfdsym);
      elfsym = elf_symbol_from (bfd_asymbol_bfd (bfdsym), bfdsym);
 
 
      assert (elfsym);
      assert (elfsym);
 
 
      elfsym->internal_elf_sym.st_other &= ~3;
      elfsym->internal_elf_sym.st_other &= ~3;
      elfsym->internal_elf_sym.st_other |= visibility;
      elfsym->internal_elf_sym.st_other |= visibility;
 
 
      if (c == ',')
      if (c == ',')
        {
        {
          input_line_pointer ++;
          input_line_pointer ++;
 
 
          SKIP_WHITESPACE ();
          SKIP_WHITESPACE ();
 
 
          if (*input_line_pointer == '\n')
          if (*input_line_pointer == '\n')
            c = '\n';
            c = '\n';
        }
        }
    }
    }
  while (c == ',');
  while (c == ',');
 
 
  demand_empty_rest_of_line ();
  demand_empty_rest_of_line ();
}
}
 
 
static segT previous_section;
static segT previous_section;
static int previous_subsection;
static int previous_subsection;
 
 
struct section_stack
struct section_stack
{
{
  struct section_stack *next;
  struct section_stack *next;
  segT seg, prev_seg;
  segT seg, prev_seg;
  int subseg, prev_subseg;
  int subseg, prev_subseg;
};
};
 
 
static struct section_stack *section_stack;
static struct section_stack *section_stack;
 
 
static bfd_boolean
static bfd_boolean
get_section (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, void *inf)
get_section (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, void *inf)
{
{
  const char *gname = inf;
  const char *gname = inf;
  const char *group_name = elf_group_name (sec);
  const char *group_name = elf_group_name (sec);
 
 
  return (group_name == gname
  return (group_name == gname
          || (group_name != NULL
          || (group_name != NULL
              && gname != NULL
              && gname != NULL
              && strcmp (group_name, gname) == 0));
              && strcmp (group_name, gname) == 0));
}
}
 
 
/* Handle the .section pseudo-op.  This code supports two different
/* Handle the .section pseudo-op.  This code supports two different
   syntaxes.
   syntaxes.
 
 
   The first is found on Solaris, and looks like
   The first is found on Solaris, and looks like
       .section ".sec1",#alloc,#execinstr,#write
       .section ".sec1",#alloc,#execinstr,#write
   Here the names after '#' are the SHF_* flags to turn on for the
   Here the names after '#' are the SHF_* flags to turn on for the
   section.  I'm not sure how it determines the SHT_* type (BFD
   section.  I'm not sure how it determines the SHT_* type (BFD
   doesn't really give us control over the type, anyhow).
   doesn't really give us control over the type, anyhow).
 
 
   The second format is found on UnixWare, and probably most SVR4
   The second format is found on UnixWare, and probably most SVR4
   machines, and looks like
   machines, and looks like
       .section .sec1,"a",@progbits
       .section .sec1,"a",@progbits
   The quoted string may contain any combination of a, w, x, and
   The quoted string may contain any combination of a, w, x, and
   represents the SHF_* flags to turn on for the section.  The string
   represents the SHF_* flags to turn on for the section.  The string
   beginning with '@' can be progbits or nobits.  There should be
   beginning with '@' can be progbits or nobits.  There should be
   other possibilities, but I don't know what they are.  In any case,
   other possibilities, but I don't know what they are.  In any case,
   BFD doesn't really let us set the section type.  */
   BFD doesn't really let us set the section type.  */
 
 
void
void
obj_elf_change_section (const char *name,
obj_elf_change_section (const char *name,
                        int type,
                        int type,
                        int attr,
                        int attr,
                        int entsize,
                        int entsize,
                        const char *group_name,
                        const char *group_name,
                        int linkonce,
                        int linkonce,
                        int push)
                        int push)
{
{
  asection *old_sec;
  asection *old_sec;
  segT sec;
  segT sec;
  flagword flags;
  flagword flags;
  const struct elf_backend_data *bed;
  const struct elf_backend_data *bed;
  const struct bfd_elf_special_section *ssect;
  const struct bfd_elf_special_section *ssect;
 
 
#ifdef md_flush_pending_output
#ifdef md_flush_pending_output
  md_flush_pending_output ();
  md_flush_pending_output ();
#endif
#endif
 
 
  /* Switch to the section, creating it if necessary.  */
  /* Switch to the section, creating it if necessary.  */
  if (push)
  if (push)
    {
    {
      struct section_stack *elt;
      struct section_stack *elt;
      elt = xmalloc (sizeof (struct section_stack));
      elt = xmalloc (sizeof (struct section_stack));
      elt->next = section_stack;
      elt->next = section_stack;
      elt->seg = now_seg;
      elt->seg = now_seg;
      elt->prev_seg = previous_section;
      elt->prev_seg = previous_section;
      elt->subseg = now_subseg;
      elt->subseg = now_subseg;
      elt->prev_subseg = previous_subsection;
      elt->prev_subseg = previous_subsection;
      section_stack = elt;
      section_stack = elt;
    }
    }
  previous_section = now_seg;
  previous_section = now_seg;
  previous_subsection = now_subseg;
  previous_subsection = now_subseg;
 
 
  old_sec = bfd_get_section_by_name_if (stdoutput, name, get_section,
  old_sec = bfd_get_section_by_name_if (stdoutput, name, get_section,
                                        (void *) group_name);
                                        (void *) group_name);
  if (old_sec)
  if (old_sec)
    {
    {
      sec = old_sec;
      sec = old_sec;
      subseg_set (sec, 0);
      subseg_set (sec, 0);
    }
    }
  else
  else
    sec = subseg_force_new (name, 0);
    sec = subseg_force_new (name, 0);
 
 
  bed = get_elf_backend_data (stdoutput);
  bed = get_elf_backend_data (stdoutput);
  ssect = (*bed->get_sec_type_attr) (stdoutput, sec);
  ssect = (*bed->get_sec_type_attr) (stdoutput, sec);
 
 
  if (ssect != NULL)
  if (ssect != NULL)
    {
    {
      bfd_boolean override = FALSE;
      bfd_boolean override = FALSE;
 
 
      if (type == SHT_NULL)
      if (type == SHT_NULL)
        type = ssect->type;
        type = ssect->type;
      else if (type != ssect->type)
      else if (type != ssect->type)
        {
        {
          if (old_sec == NULL
          if (old_sec == NULL
              /* FIXME: gcc, as of 2002-10-22, will emit
              /* FIXME: gcc, as of 2002-10-22, will emit
 
 
                 .section .init_array,"aw",@progbits
                 .section .init_array,"aw",@progbits
 
 
                 for __attribute__ ((section (".init_array"))).
                 for __attribute__ ((section (".init_array"))).
                 "@progbits" is incorrect.  Also for x86-64 large bss
                 "@progbits" is incorrect.  Also for x86-64 large bss
                 sections, gcc, as of 2005-07-06, will emit
                 sections, gcc, as of 2005-07-06, will emit
 
 
                 .section .lbss,"aw",@progbits
                 .section .lbss,"aw",@progbits
 
 
                 "@progbits" is incorrect.  */
                 "@progbits" is incorrect.  */
#ifdef TC_I386
#ifdef TC_I386
              && (bed->s->arch_size != 64
              && (bed->s->arch_size != 64
                  || !(ssect->attr & SHF_X86_64_LARGE))
                  || !(ssect->attr & SHF_X86_64_LARGE))
#endif
#endif
              && ssect->type != SHT_INIT_ARRAY
              && ssect->type != SHT_INIT_ARRAY
              && ssect->type != SHT_FINI_ARRAY
              && ssect->type != SHT_FINI_ARRAY
              && ssect->type != SHT_PREINIT_ARRAY)
              && ssect->type != SHT_PREINIT_ARRAY)
            {
            {
              /* We allow to specify any type for a .note section.  */
              /* We allow to specify any type for a .note section.  */
              if (ssect->type != SHT_NOTE)
              if (ssect->type != SHT_NOTE)
                as_warn (_("setting incorrect section type for %s"),
                as_warn (_("setting incorrect section type for %s"),
                         name);
                         name);
            }
            }
          else
          else
            {
            {
              as_warn (_("ignoring incorrect section type for %s"),
              as_warn (_("ignoring incorrect section type for %s"),
                       name);
                       name);
              type = ssect->type;
              type = ssect->type;
            }
            }
        }
        }
 
 
      if (old_sec == NULL && (attr & ~ssect->attr) != 0)
      if (old_sec == NULL && (attr & ~ssect->attr) != 0)
        {
        {
          /* As a GNU extension, we permit a .note section to be
          /* As a GNU extension, we permit a .note section to be
             allocatable.  If the linker sees an allocatable .note
             allocatable.  If the linker sees an allocatable .note
             section, it will create a PT_NOTE segment in the output
             section, it will create a PT_NOTE segment in the output
             file.  We also allow "x" for .note.GNU-stack.  */
             file.  We also allow "x" for .note.GNU-stack.  */
          if (ssect->type == SHT_NOTE
          if (ssect->type == SHT_NOTE
              && (attr == SHF_ALLOC || attr == SHF_EXECINSTR))
              && (attr == SHF_ALLOC || attr == SHF_EXECINSTR))
            ;
            ;
          /* Allow different SHF_MERGE and SHF_STRINGS if we have
          /* Allow different SHF_MERGE and SHF_STRINGS if we have
             something like .rodata.str.  */
             something like .rodata.str.  */
          else if (ssect->suffix_length == -2
          else if (ssect->suffix_length == -2
                   && name[ssect->prefix_length] == '.'
                   && name[ssect->prefix_length] == '.'
                   && (attr
                   && (attr
                       & ~ssect->attr
                       & ~ssect->attr
                       & ~SHF_MERGE
                       & ~SHF_MERGE
                       & ~SHF_STRINGS) == 0)
                       & ~SHF_STRINGS) == 0)
            ;
            ;
          /* .interp, .strtab and .symtab can have SHF_ALLOC.  */
          /* .interp, .strtab and .symtab can have SHF_ALLOC.  */
          else if (attr == SHF_ALLOC
          else if (attr == SHF_ALLOC
                   && (strcmp (name, ".interp") == 0
                   && (strcmp (name, ".interp") == 0
                       || strcmp (name, ".strtab") == 0
                       || strcmp (name, ".strtab") == 0
                       || strcmp (name, ".symtab") == 0))
                       || strcmp (name, ".symtab") == 0))
            override = TRUE;
            override = TRUE;
          /* .note.GNU-stack can have SHF_EXECINSTR.  */
          /* .note.GNU-stack can have SHF_EXECINSTR.  */
          else if (attr == SHF_EXECINSTR
          else if (attr == SHF_EXECINSTR
                   && strcmp (name, ".note.GNU-stack") == 0)
                   && strcmp (name, ".note.GNU-stack") == 0)
            override = TRUE;
            override = TRUE;
#ifdef TC_ALPHA
#ifdef TC_ALPHA
          /* A section on Alpha may have SHF_ALPHA_GPREL.  */
          /* A section on Alpha may have SHF_ALPHA_GPREL.  */
          else if ((attr & ~ssect->attr) == SHF_ALPHA_GPREL)
          else if ((attr & ~ssect->attr) == SHF_ALPHA_GPREL)
            override = TRUE;
            override = TRUE;
#endif
#endif
          else
          else
            {
            {
              if (group_name == NULL)
              if (group_name == NULL)
                as_warn (_("setting incorrect section attributes for %s"),
                as_warn (_("setting incorrect section attributes for %s"),
                         name);
                         name);
              override = TRUE;
              override = TRUE;
            }
            }
        }
        }
      if (!override && old_sec == NULL)
      if (!override && old_sec == NULL)
        attr |= ssect->attr;
        attr |= ssect->attr;
    }
    }
 
 
  /* Convert ELF type and flags to BFD flags.  */
  /* Convert ELF type and flags to BFD flags.  */
  flags = (SEC_RELOC
  flags = (SEC_RELOC
           | ((attr & SHF_WRITE) ? 0 : SEC_READONLY)
           | ((attr & SHF_WRITE) ? 0 : SEC_READONLY)
           | ((attr & SHF_ALLOC) ? SEC_ALLOC : 0)
           | ((attr & SHF_ALLOC) ? SEC_ALLOC : 0)
           | (((attr & SHF_ALLOC) && type != SHT_NOBITS) ? SEC_LOAD : 0)
           | (((attr & SHF_ALLOC) && type != SHT_NOBITS) ? SEC_LOAD : 0)
           | ((attr & SHF_EXECINSTR) ? SEC_CODE : 0)
           | ((attr & SHF_EXECINSTR) ? SEC_CODE : 0)
           | ((attr & SHF_MERGE) ? SEC_MERGE : 0)
           | ((attr & SHF_MERGE) ? SEC_MERGE : 0)
           | ((attr & SHF_STRINGS) ? SEC_STRINGS : 0)
           | ((attr & SHF_STRINGS) ? SEC_STRINGS : 0)
           | ((attr & SHF_TLS) ? SEC_THREAD_LOCAL : 0));
           | ((attr & SHF_TLS) ? SEC_THREAD_LOCAL : 0));
#ifdef md_elf_section_flags
#ifdef md_elf_section_flags
  flags = md_elf_section_flags (flags, attr, type);
  flags = md_elf_section_flags (flags, attr, type);
#endif
#endif
 
 
  if (linkonce)
  if (linkonce)
    flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD;
    flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD;
 
 
  if (old_sec == NULL)
  if (old_sec == NULL)
    {
    {
      symbolS *secsym;
      symbolS *secsym;
 
 
      elf_section_type (sec) = type;
      elf_section_type (sec) = type;
      elf_section_flags (sec) = attr;
      elf_section_flags (sec) = attr;
 
 
      /* Prevent SEC_HAS_CONTENTS from being inadvertently set.  */
      /* Prevent SEC_HAS_CONTENTS from being inadvertently set.  */
      if (type == SHT_NOBITS)
      if (type == SHT_NOBITS)
        seg_info (sec)->bss = 1;
        seg_info (sec)->bss = 1;
 
 
      bfd_set_section_flags (stdoutput, sec, flags);
      bfd_set_section_flags (stdoutput, sec, flags);
      if (flags & SEC_MERGE)
      if (flags & SEC_MERGE)
        sec->entsize = entsize;
        sec->entsize = entsize;
      elf_group_name (sec) = group_name;
      elf_group_name (sec) = group_name;
 
 
      /* Add a symbol for this section to the symbol table.  */
      /* Add a symbol for this section to the symbol table.  */
      secsym = symbol_find (name);
      secsym = symbol_find (name);
      if (secsym != NULL)
      if (secsym != NULL)
        symbol_set_bfdsym (secsym, sec->symbol);
        symbol_set_bfdsym (secsym, sec->symbol);
      else
      else
        symbol_table_insert (section_symbol (sec));
        symbol_table_insert (section_symbol (sec));
    }
    }
  else
  else
    {
    {
      if (type != SHT_NULL
      if (type != SHT_NULL
          && (unsigned) type != elf_section_type (old_sec))
          && (unsigned) type != elf_section_type (old_sec))
        as_warn (_("ignoring changed section type for %s"), name);
        as_warn (_("ignoring changed section type for %s"), name);
 
 
      if (attr != 0)
      if (attr != 0)
        {
        {
          /* If section attributes are specified the second time we see a
          /* If section attributes are specified the second time we see a
             particular section, then check that they are the same as we
             particular section, then check that they are the same as we
             saw the first time.  */
             saw the first time.  */
          if (((old_sec->flags ^ flags)
          if (((old_sec->flags ^ flags)
               & (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
               & (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
                  | SEC_EXCLUDE | SEC_SORT_ENTRIES | SEC_MERGE | SEC_STRINGS
                  | SEC_EXCLUDE | SEC_SORT_ENTRIES | SEC_MERGE | SEC_STRINGS
                  | SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD
                  | SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD
                  | SEC_THREAD_LOCAL)))
                  | SEC_THREAD_LOCAL)))
            as_warn (_("ignoring changed section attributes for %s"), name);
            as_warn (_("ignoring changed section attributes for %s"), name);
          if ((flags & SEC_MERGE) && old_sec->entsize != (unsigned) entsize)
          if ((flags & SEC_MERGE) && old_sec->entsize != (unsigned) entsize)
            as_warn (_("ignoring changed section entity size for %s"), name);
            as_warn (_("ignoring changed section entity size for %s"), name);
        }
        }
    }
    }
 
 
#ifdef md_elf_section_change_hook
#ifdef md_elf_section_change_hook
  md_elf_section_change_hook ();
  md_elf_section_change_hook ();
#endif
#endif
}
}
 
 
static int
static int
obj_elf_parse_section_letters (char *str, size_t len)
obj_elf_parse_section_letters (char *str, size_t len)
{
{
  int attr = 0;
  int attr = 0;
 
 
  while (len > 0)
  while (len > 0)
    {
    {
      switch (*str)
      switch (*str)
        {
        {
        case 'a':
        case 'a':
          attr |= SHF_ALLOC;
          attr |= SHF_ALLOC;
          break;
          break;
        case 'w':
        case 'w':
          attr |= SHF_WRITE;
          attr |= SHF_WRITE;
          break;
          break;
        case 'x':
        case 'x':
          attr |= SHF_EXECINSTR;
          attr |= SHF_EXECINSTR;
          break;
          break;
        case 'M':
        case 'M':
          attr |= SHF_MERGE;
          attr |= SHF_MERGE;
          break;
          break;
        case 'S':
        case 'S':
          attr |= SHF_STRINGS;
          attr |= SHF_STRINGS;
          break;
          break;
        case 'G':
        case 'G':
          attr |= SHF_GROUP;
          attr |= SHF_GROUP;
          break;
          break;
        case 'T':
        case 'T':
          attr |= SHF_TLS;
          attr |= SHF_TLS;
          break;
          break;
        /* Compatibility.  */
        /* Compatibility.  */
        case 'm':
        case 'm':
          if (*(str - 1) == 'a')
          if (*(str - 1) == 'a')
            {
            {
              attr |= SHF_MERGE;
              attr |= SHF_MERGE;
              if (len > 1 && str[1] == 's')
              if (len > 1 && str[1] == 's')
                {
                {
                  attr |= SHF_STRINGS;
                  attr |= SHF_STRINGS;
                  str++, len--;
                  str++, len--;
                }
                }
              break;
              break;
            }
            }
        default:
        default:
          {
          {
            char *bad_msg = _("unrecognized .section attribute: want a,w,x,M,S,G,T");
            char *bad_msg = _("unrecognized .section attribute: want a,w,x,M,S,G,T");
#ifdef md_elf_section_letter
#ifdef md_elf_section_letter
            int md_attr = md_elf_section_letter (*str, &bad_msg);
            int md_attr = md_elf_section_letter (*str, &bad_msg);
            if (md_attr >= 0)
            if (md_attr >= 0)
              attr |= md_attr;
              attr |= md_attr;
            else
            else
#endif
#endif
              as_fatal ("%s", bad_msg);
              as_fatal ("%s", bad_msg);
          }
          }
          break;
          break;
        }
        }
      str++, len--;
      str++, len--;
    }
    }
 
 
  return attr;
  return attr;
}
}
 
 
static int
static int
obj_elf_section_type (char *str, size_t len, bfd_boolean warn)
obj_elf_section_type (char *str, size_t len, bfd_boolean warn)
{
{
  if (len == 8 && strncmp (str, "progbits", 8) == 0)
  if (len == 8 && strncmp (str, "progbits", 8) == 0)
    return SHT_PROGBITS;
    return SHT_PROGBITS;
  if (len == 6 && strncmp (str, "nobits", 6) == 0)
  if (len == 6 && strncmp (str, "nobits", 6) == 0)
    return SHT_NOBITS;
    return SHT_NOBITS;
  if (len == 4 && strncmp (str, "note", 4) == 0)
  if (len == 4 && strncmp (str, "note", 4) == 0)
    return SHT_NOTE;
    return SHT_NOTE;
  if (len == 10 && strncmp (str, "init_array", 10) == 0)
  if (len == 10 && strncmp (str, "init_array", 10) == 0)
    return SHT_INIT_ARRAY;
    return SHT_INIT_ARRAY;
  if (len == 10 && strncmp (str, "fini_array", 10) == 0)
  if (len == 10 && strncmp (str, "fini_array", 10) == 0)
    return SHT_FINI_ARRAY;
    return SHT_FINI_ARRAY;
  if (len == 13 && strncmp (str, "preinit_array", 13) == 0)
  if (len == 13 && strncmp (str, "preinit_array", 13) == 0)
    return SHT_PREINIT_ARRAY;
    return SHT_PREINIT_ARRAY;
 
 
#ifdef md_elf_section_type
#ifdef md_elf_section_type
  {
  {
    int md_type = md_elf_section_type (str, len);
    int md_type = md_elf_section_type (str, len);
    if (md_type >= 0)
    if (md_type >= 0)
      return md_type;
      return md_type;
  }
  }
#endif
#endif
 
 
  if (warn)
  if (warn)
    as_warn (_("unrecognized section type"));
    as_warn (_("unrecognized section type"));
  return 0;
  return 0;
}
}
 
 
static int
static int
obj_elf_section_word (char *str, size_t len, int *type)
obj_elf_section_word (char *str, size_t len, int *type)
{
{
  int ret;
  int ret;
 
 
  if (len == 5 && strncmp (str, "write", 5) == 0)
  if (len == 5 && strncmp (str, "write", 5) == 0)
    return SHF_WRITE;
    return SHF_WRITE;
  if (len == 5 && strncmp (str, "alloc", 5) == 0)
  if (len == 5 && strncmp (str, "alloc", 5) == 0)
    return SHF_ALLOC;
    return SHF_ALLOC;
  if (len == 9 && strncmp (str, "execinstr", 9) == 0)
  if (len == 9 && strncmp (str, "execinstr", 9) == 0)
    return SHF_EXECINSTR;
    return SHF_EXECINSTR;
  if (len == 3 && strncmp (str, "tls", 3) == 0)
  if (len == 3 && strncmp (str, "tls", 3) == 0)
    return SHF_TLS;
    return SHF_TLS;
 
 
#ifdef md_elf_section_word
#ifdef md_elf_section_word
  {
  {
    int md_attr = md_elf_section_word (str, len);
    int md_attr = md_elf_section_word (str, len);
    if (md_attr >= 0)
    if (md_attr >= 0)
      return md_attr;
      return md_attr;
  }
  }
#endif
#endif
 
 
  ret = obj_elf_section_type (str, len, FALSE);
  ret = obj_elf_section_type (str, len, FALSE);
  if (ret != 0)
  if (ret != 0)
    *type = ret;
    *type = ret;
  else
  else
    as_warn (_("unrecognized section attribute"));
    as_warn (_("unrecognized section attribute"));
 
 
  return 0;
  return 0;
}
}
 
 
/* Get name of section.  */
/* Get name of section.  */
static char *
static char *
obj_elf_section_name (void)
obj_elf_section_name (void)
{
{
  char *name;
  char *name;
 
 
  SKIP_WHITESPACE ();
  SKIP_WHITESPACE ();
  if (*input_line_pointer == '"')
  if (*input_line_pointer == '"')
    {
    {
      int dummy;
      int dummy;
 
 
      name = demand_copy_C_string (&dummy);
      name = demand_copy_C_string (&dummy);
      if (name == NULL)
      if (name == NULL)
        {
        {
          ignore_rest_of_line ();
          ignore_rest_of_line ();
          return NULL;
          return NULL;
        }
        }
    }
    }
  else
  else
    {
    {
      char *end = input_line_pointer;
      char *end = input_line_pointer;
 
 
      while (0 == strchr ("\n\t,; ", *end))
      while (0 == strchr ("\n\t,; ", *end))
        end++;
        end++;
      if (end == input_line_pointer)
      if (end == input_line_pointer)
        {
        {
          as_bad (_("missing name"));
          as_bad (_("missing name"));
          ignore_rest_of_line ();
          ignore_rest_of_line ();
          return NULL;
          return NULL;
        }
        }
 
 
      name = xmalloc (end - input_line_pointer + 1);
      name = xmalloc (end - input_line_pointer + 1);
      memcpy (name, input_line_pointer, end - input_line_pointer);
      memcpy (name, input_line_pointer, end - input_line_pointer);
      name[end - input_line_pointer] = '\0';
      name[end - input_line_pointer] = '\0';
#ifdef tc_canonicalize_section_name
#ifdef tc_canonicalize_section_name
      name = tc_canonicalize_section_name (name);
      name = tc_canonicalize_section_name (name);
#endif
#endif
      input_line_pointer = end;
      input_line_pointer = end;
    }
    }
  SKIP_WHITESPACE ();
  SKIP_WHITESPACE ();
  return name;
  return name;
}
}
 
 
void
void
obj_elf_section (int push)
obj_elf_section (int push)
{
{
  char *name, *group_name, *beg;
  char *name, *group_name, *beg;
  int type, attr, dummy;
  int type, attr, dummy;
  int entsize;
  int entsize;
  int linkonce;
  int linkonce;
  subsegT new_subsection = -1;
  subsegT new_subsection = -1;
 
 
#ifndef TC_I370
#ifndef TC_I370
  if (flag_mri)
  if (flag_mri)
    {
    {
      char mri_type;
      char mri_type;
 
 
#ifdef md_flush_pending_output
#ifdef md_flush_pending_output
      md_flush_pending_output ();
      md_flush_pending_output ();
#endif
#endif
 
 
      previous_section = now_seg;
      previous_section = now_seg;
      previous_subsection = now_subseg;
      previous_subsection = now_subseg;
 
 
      s_mri_sect (&mri_type);
      s_mri_sect (&mri_type);
 
 
#ifdef md_elf_section_change_hook
#ifdef md_elf_section_change_hook
      md_elf_section_change_hook ();
      md_elf_section_change_hook ();
#endif
#endif
 
 
      return;
      return;
    }
    }
#endif /* ! defined (TC_I370) */
#endif /* ! defined (TC_I370) */
 
 
  name = obj_elf_section_name ();
  name = obj_elf_section_name ();
  if (name == NULL)
  if (name == NULL)
    return;
    return;
  type = SHT_NULL;
  type = SHT_NULL;
  attr = 0;
  attr = 0;
  group_name = NULL;
  group_name = NULL;
  entsize = 0;
  entsize = 0;
  linkonce = 0;
  linkonce = 0;
 
 
  if (*input_line_pointer == ',')
  if (*input_line_pointer == ',')
    {
    {
      /* Skip the comma.  */
      /* Skip the comma.  */
      ++input_line_pointer;
      ++input_line_pointer;
      SKIP_WHITESPACE ();
      SKIP_WHITESPACE ();
 
 
      if (push && ISDIGIT (*input_line_pointer))
      if (push && ISDIGIT (*input_line_pointer))
        {
        {
          /* .pushsection has an optional subsection.  */
          /* .pushsection has an optional subsection.  */
          new_subsection = (subsegT) get_absolute_expression ();
          new_subsection = (subsegT) get_absolute_expression ();
 
 
          SKIP_WHITESPACE ();
          SKIP_WHITESPACE ();
 
 
          /* Stop if we don't see a comma.  */
          /* Stop if we don't see a comma.  */
          if (*input_line_pointer != ',')
          if (*input_line_pointer != ',')
            goto done;
            goto done;
 
 
          /* Skip the comma.  */
          /* Skip the comma.  */
          ++input_line_pointer;
          ++input_line_pointer;
          SKIP_WHITESPACE ();
          SKIP_WHITESPACE ();
        }
        }
 
 
      if (*input_line_pointer == '"')
      if (*input_line_pointer == '"')
        {
        {
          beg = demand_copy_C_string (&dummy);
          beg = demand_copy_C_string (&dummy);
          if (beg == NULL)
          if (beg == NULL)
            {
            {
              ignore_rest_of_line ();
              ignore_rest_of_line ();
              return;
              return;
            }
            }
          attr |= obj_elf_parse_section_letters (beg, strlen (beg));
          attr |= obj_elf_parse_section_letters (beg, strlen (beg));
 
 
          SKIP_WHITESPACE ();
          SKIP_WHITESPACE ();
          if (*input_line_pointer == ',')
          if (*input_line_pointer == ',')
            {
            {
              char c;
              char c;
              char *save = input_line_pointer;
              char *save = input_line_pointer;
 
 
              ++input_line_pointer;
              ++input_line_pointer;
              SKIP_WHITESPACE ();
              SKIP_WHITESPACE ();
              c = *input_line_pointer;
              c = *input_line_pointer;
              if (c == '"')
              if (c == '"')
                {
                {
                  beg = demand_copy_C_string (&dummy);
                  beg = demand_copy_C_string (&dummy);
                  if (beg == NULL)
                  if (beg == NULL)
                    {
                    {
                      ignore_rest_of_line ();
                      ignore_rest_of_line ();
                      return;
                      return;
                    }
                    }
                  type = obj_elf_section_type (beg, strlen (beg), TRUE);
                  type = obj_elf_section_type (beg, strlen (beg), TRUE);
                }
                }
              else if (c == '@' || c == '%')
              else if (c == '@' || c == '%')
                {
                {
                  beg = ++input_line_pointer;
                  beg = ++input_line_pointer;
                  c = get_symbol_end ();
                  c = get_symbol_end ();
                  *input_line_pointer = c;
                  *input_line_pointer = c;
                  type = obj_elf_section_type (beg, input_line_pointer - beg, TRUE);
                  type = obj_elf_section_type (beg, input_line_pointer - beg, TRUE);
                }
                }
              else
              else
                input_line_pointer = save;
                input_line_pointer = save;
            }
            }
 
 
          SKIP_WHITESPACE ();
          SKIP_WHITESPACE ();
          if ((attr & SHF_MERGE) != 0 && *input_line_pointer == ',')
          if ((attr & SHF_MERGE) != 0 && *input_line_pointer == ',')
            {
            {
              ++input_line_pointer;
              ++input_line_pointer;
              SKIP_WHITESPACE ();
              SKIP_WHITESPACE ();
              entsize = get_absolute_expression ();
              entsize = get_absolute_expression ();
              SKIP_WHITESPACE ();
              SKIP_WHITESPACE ();
              if (entsize < 0)
              if (entsize < 0)
                {
                {
                  as_warn (_("invalid merge entity size"));
                  as_warn (_("invalid merge entity size"));
                  attr &= ~SHF_MERGE;
                  attr &= ~SHF_MERGE;
                  entsize = 0;
                  entsize = 0;
                }
                }
            }
            }
          else if ((attr & SHF_MERGE) != 0)
          else if ((attr & SHF_MERGE) != 0)
            {
            {
              as_warn (_("entity size for SHF_MERGE not specified"));
              as_warn (_("entity size for SHF_MERGE not specified"));
              attr &= ~SHF_MERGE;
              attr &= ~SHF_MERGE;
            }
            }
 
 
          if ((attr & SHF_GROUP) != 0 && *input_line_pointer == ',')
          if ((attr & SHF_GROUP) != 0 && *input_line_pointer == ',')
            {
            {
              ++input_line_pointer;
              ++input_line_pointer;
              group_name = obj_elf_section_name ();
              group_name = obj_elf_section_name ();
              if (group_name == NULL)
              if (group_name == NULL)
                attr &= ~SHF_GROUP;
                attr &= ~SHF_GROUP;
              else if (strncmp (input_line_pointer, ",comdat", 7) == 0)
              else if (strncmp (input_line_pointer, ",comdat", 7) == 0)
                {
                {
                  input_line_pointer += 7;
                  input_line_pointer += 7;
                  linkonce = 1;
                  linkonce = 1;
                }
                }
              else if (strncmp (name, ".gnu.linkonce", 13) == 0)
              else if (strncmp (name, ".gnu.linkonce", 13) == 0)
                linkonce = 1;
                linkonce = 1;
            }
            }
          else if ((attr & SHF_GROUP) != 0)
          else if ((attr & SHF_GROUP) != 0)
            {
            {
              as_warn (_("group name for SHF_GROUP not specified"));
              as_warn (_("group name for SHF_GROUP not specified"));
              attr &= ~SHF_GROUP;
              attr &= ~SHF_GROUP;
            }
            }
        }
        }
      else
      else
        {
        {
          do
          do
            {
            {
              char c;
              char c;
 
 
              SKIP_WHITESPACE ();
              SKIP_WHITESPACE ();
              if (*input_line_pointer != '#')
              if (*input_line_pointer != '#')
                {
                {
                  as_bad (_("character following name is not '#'"));
                  as_bad (_("character following name is not '#'"));
                  ignore_rest_of_line ();
                  ignore_rest_of_line ();
                  return;
                  return;
                }
                }
              beg = ++input_line_pointer;
              beg = ++input_line_pointer;
              c = get_symbol_end ();
              c = get_symbol_end ();
              *input_line_pointer = c;
              *input_line_pointer = c;
 
 
              attr |= obj_elf_section_word (beg, input_line_pointer - beg, & type);
              attr |= obj_elf_section_word (beg, input_line_pointer - beg, & type);
 
 
              SKIP_WHITESPACE ();
              SKIP_WHITESPACE ();
            }
            }
          while (*input_line_pointer++ == ',');
          while (*input_line_pointer++ == ',');
          --input_line_pointer;
          --input_line_pointer;
        }
        }
    }
    }
 
 
done:
done:
  demand_empty_rest_of_line ();
  demand_empty_rest_of_line ();
 
 
  obj_elf_change_section (name, type, attr, entsize, group_name, linkonce, push);
  obj_elf_change_section (name, type, attr, entsize, group_name, linkonce, push);
 
 
  if (push && new_subsection != -1)
  if (push && new_subsection != -1)
    subseg_set (now_seg, new_subsection);
    subseg_set (now_seg, new_subsection);
}
}
 
 
/* Change to the .data section.  */
/* Change to the .data section.  */
 
 
void
void
obj_elf_data (int i)
obj_elf_data (int i)
{
{
#ifdef md_flush_pending_output
#ifdef md_flush_pending_output
  md_flush_pending_output ();
  md_flush_pending_output ();
#endif
#endif
 
 
  previous_section = now_seg;
  previous_section = now_seg;
  previous_subsection = now_subseg;
  previous_subsection = now_subseg;
  s_data (i);
  s_data (i);
 
 
#ifdef md_elf_section_change_hook
#ifdef md_elf_section_change_hook
  md_elf_section_change_hook ();
  md_elf_section_change_hook ();
#endif
#endif
}
}
 
 
/* Change to the .text section.  */
/* Change to the .text section.  */
 
 
void
void
obj_elf_text (int i)
obj_elf_text (int i)
{
{
#ifdef md_flush_pending_output
#ifdef md_flush_pending_output
  md_flush_pending_output ();
  md_flush_pending_output ();
#endif
#endif
 
 
  previous_section = now_seg;
  previous_section = now_seg;
  previous_subsection = now_subseg;
  previous_subsection = now_subseg;
  s_text (i);
  s_text (i);
 
 
#ifdef md_elf_section_change_hook
#ifdef md_elf_section_change_hook
  md_elf_section_change_hook ();
  md_elf_section_change_hook ();
#endif
#endif
}
}
 
 
/* Change to the *ABS* section.  */
/* Change to the *ABS* section.  */
 
 
void
void
obj_elf_struct (int i)
obj_elf_struct (int i)
{
{
#ifdef md_flush_pending_output
#ifdef md_flush_pending_output
  md_flush_pending_output ();
  md_flush_pending_output ();
#endif
#endif
 
 
  previous_section = now_seg;
  previous_section = now_seg;
  previous_subsection = now_subseg;
  previous_subsection = now_subseg;
  s_struct (i);
  s_struct (i);
 
 
#ifdef md_elf_section_change_hook
#ifdef md_elf_section_change_hook
  md_elf_section_change_hook ();
  md_elf_section_change_hook ();
#endif
#endif
}
}
 
 
static void
static void
obj_elf_subsection (int ignore ATTRIBUTE_UNUSED)
obj_elf_subsection (int ignore ATTRIBUTE_UNUSED)
{
{
  int temp;
  int temp;
 
 
#ifdef md_flush_pending_output
#ifdef md_flush_pending_output
  md_flush_pending_output ();
  md_flush_pending_output ();
#endif
#endif
 
 
  previous_section = now_seg;
  previous_section = now_seg;
  previous_subsection = now_subseg;
  previous_subsection = now_subseg;
 
 
  temp = get_absolute_expression ();
  temp = get_absolute_expression ();
  subseg_set (now_seg, (subsegT) temp);
  subseg_set (now_seg, (subsegT) temp);
  demand_empty_rest_of_line ();
  demand_empty_rest_of_line ();
 
 
#ifdef md_elf_section_change_hook
#ifdef md_elf_section_change_hook
  md_elf_section_change_hook ();
  md_elf_section_change_hook ();
#endif
#endif
}
}
 
 
/* This can be called from the processor backends if they change
/* This can be called from the processor backends if they change
   sections.  */
   sections.  */
 
 
void
void
obj_elf_section_change_hook (void)
obj_elf_section_change_hook (void)
{
{
  previous_section = now_seg;
  previous_section = now_seg;
  previous_subsection = now_subseg;
  previous_subsection = now_subseg;
}
}
 
 
void
void
obj_elf_previous (int ignore ATTRIBUTE_UNUSED)
obj_elf_previous (int ignore ATTRIBUTE_UNUSED)
{
{
  segT new_section;
  segT new_section;
  int new_subsection;
  int new_subsection;
 
 
  if (previous_section == 0)
  if (previous_section == 0)
    {
    {
      as_warn (_(".previous without corresponding .section; ignored"));
      as_warn (_(".previous without corresponding .section; ignored"));
      return;
      return;
    }
    }
 
 
#ifdef md_flush_pending_output
#ifdef md_flush_pending_output
  md_flush_pending_output ();
  md_flush_pending_output ();
#endif
#endif
 
 
  new_section = previous_section;
  new_section = previous_section;
  new_subsection = previous_subsection;
  new_subsection = previous_subsection;
  previous_section = now_seg;
  previous_section = now_seg;
  previous_subsection = now_subseg;
  previous_subsection = now_subseg;
  subseg_set (new_section, new_subsection);
  subseg_set (new_section, new_subsection);
 
 
#ifdef md_elf_section_change_hook
#ifdef md_elf_section_change_hook
  md_elf_section_change_hook ();
  md_elf_section_change_hook ();
#endif
#endif
}
}
 
 
static void
static void
obj_elf_popsection (int xxx ATTRIBUTE_UNUSED)
obj_elf_popsection (int xxx ATTRIBUTE_UNUSED)
{
{
  struct section_stack *top = section_stack;
  struct section_stack *top = section_stack;
 
 
  if (top == NULL)
  if (top == NULL)
    {
    {
      as_warn (_(".popsection without corresponding .pushsection; ignored"));
      as_warn (_(".popsection without corresponding .pushsection; ignored"));
      return;
      return;
    }
    }
 
 
#ifdef md_flush_pending_output
#ifdef md_flush_pending_output
  md_flush_pending_output ();
  md_flush_pending_output ();
#endif
#endif
 
 
  section_stack = top->next;
  section_stack = top->next;
  previous_section = top->prev_seg;
  previous_section = top->prev_seg;
  previous_subsection = top->prev_subseg;
  previous_subsection = top->prev_subseg;
  subseg_set (top->seg, top->subseg);
  subseg_set (top->seg, top->subseg);
  free (top);
  free (top);
 
 
#ifdef md_elf_section_change_hook
#ifdef md_elf_section_change_hook
  md_elf_section_change_hook ();
  md_elf_section_change_hook ();
#endif
#endif
}
}
 
 
static void
static void
obj_elf_line (int ignore ATTRIBUTE_UNUSED)
obj_elf_line (int ignore ATTRIBUTE_UNUSED)
{
{
  /* Assume delimiter is part of expression.  BSD4.2 as fails with
  /* Assume delimiter is part of expression.  BSD4.2 as fails with
     delightful bug, so we are not being incompatible here.  */
     delightful bug, so we are not being incompatible here.  */
  new_logical_line (NULL, get_absolute_expression ());
  new_logical_line (NULL, get_absolute_expression ());
  demand_empty_rest_of_line ();
  demand_empty_rest_of_line ();
}
}
 
 
/* This handles the .symver pseudo-op, which is used to specify a
/* This handles the .symver pseudo-op, which is used to specify a
   symbol version.  The syntax is ``.symver NAME,SYMVERNAME''.
   symbol version.  The syntax is ``.symver NAME,SYMVERNAME''.
   SYMVERNAME may contain ELF_VER_CHR ('@') characters.  This
   SYMVERNAME may contain ELF_VER_CHR ('@') characters.  This
   pseudo-op causes the assembler to emit a symbol named SYMVERNAME
   pseudo-op causes the assembler to emit a symbol named SYMVERNAME
   with the same value as the symbol NAME.  */
   with the same value as the symbol NAME.  */
 
 
static void
static void
obj_elf_symver (int ignore ATTRIBUTE_UNUSED)
obj_elf_symver (int ignore ATTRIBUTE_UNUSED)
{
{
  char *name;
  char *name;
  char c;
  char c;
  char old_lexat;
  char old_lexat;
  symbolS *sym;
  symbolS *sym;
 
 
  name = input_line_pointer;
  name = input_line_pointer;
  c = get_symbol_end ();
  c = get_symbol_end ();
 
 
  sym = symbol_find_or_make (name);
  sym = symbol_find_or_make (name);
 
 
  *input_line_pointer = c;
  *input_line_pointer = c;
 
 
  SKIP_WHITESPACE ();
  SKIP_WHITESPACE ();
  if (*input_line_pointer != ',')
  if (*input_line_pointer != ',')
    {
    {
      as_bad (_("expected comma after name in .symver"));
      as_bad (_("expected comma after name in .symver"));
      ignore_rest_of_line ();
      ignore_rest_of_line ();
      return;
      return;
    }
    }
 
 
  ++input_line_pointer;
  ++input_line_pointer;
  SKIP_WHITESPACE ();
  SKIP_WHITESPACE ();
  name = input_line_pointer;
  name = input_line_pointer;
 
 
  /* Temporarily include '@' in symbol names.  */
  /* Temporarily include '@' in symbol names.  */
  old_lexat = lex_type[(unsigned char) '@'];
  old_lexat = lex_type[(unsigned char) '@'];
  lex_type[(unsigned char) '@'] |= LEX_NAME;
  lex_type[(unsigned char) '@'] |= LEX_NAME;
  c = get_symbol_end ();
  c = get_symbol_end ();
  lex_type[(unsigned char) '@'] = old_lexat;
  lex_type[(unsigned char) '@'] = old_lexat;
 
 
  if (symbol_get_obj (sym)->versioned_name == NULL)
  if (symbol_get_obj (sym)->versioned_name == NULL)
    {
    {
      symbol_get_obj (sym)->versioned_name = xstrdup (name);
      symbol_get_obj (sym)->versioned_name = xstrdup (name);
 
 
      *input_line_pointer = c;
      *input_line_pointer = c;
 
 
      if (strchr (symbol_get_obj (sym)->versioned_name,
      if (strchr (symbol_get_obj (sym)->versioned_name,
                  ELF_VER_CHR) == NULL)
                  ELF_VER_CHR) == NULL)
        {
        {
          as_bad (_("missing version name in `%s' for symbol `%s'"),
          as_bad (_("missing version name in `%s' for symbol `%s'"),
                  symbol_get_obj (sym)->versioned_name,
                  symbol_get_obj (sym)->versioned_name,
                  S_GET_NAME (sym));
                  S_GET_NAME (sym));
          ignore_rest_of_line ();
          ignore_rest_of_line ();
          return;
          return;
        }
        }
    }
    }
  else
  else
    {
    {
      if (strcmp (symbol_get_obj (sym)->versioned_name, name))
      if (strcmp (symbol_get_obj (sym)->versioned_name, name))
        {
        {
          as_bad (_("multiple versions [`%s'|`%s'] for symbol `%s'"),
          as_bad (_("multiple versions [`%s'|`%s'] for symbol `%s'"),
                  name, symbol_get_obj (sym)->versioned_name,
                  name, symbol_get_obj (sym)->versioned_name,
                  S_GET_NAME (sym));
                  S_GET_NAME (sym));
          ignore_rest_of_line ();
          ignore_rest_of_line ();
          return;
          return;
        }
        }
 
 
      *input_line_pointer = c;
      *input_line_pointer = c;
    }
    }
 
 
  demand_empty_rest_of_line ();
  demand_empty_rest_of_line ();
}
}
 
 
/* This handles the .vtable_inherit pseudo-op, which is used to indicate
/* This handles the .vtable_inherit pseudo-op, which is used to indicate
   to the linker the hierarchy in which a particular table resides.  The
   to the linker the hierarchy in which a particular table resides.  The
   syntax is ".vtable_inherit CHILDNAME, PARENTNAME".  */
   syntax is ".vtable_inherit CHILDNAME, PARENTNAME".  */
 
 
struct fix *
struct fix *
obj_elf_vtable_inherit (int ignore ATTRIBUTE_UNUSED)
obj_elf_vtable_inherit (int ignore ATTRIBUTE_UNUSED)
{
{
  char *cname, *pname;
  char *cname, *pname;
  symbolS *csym, *psym;
  symbolS *csym, *psym;
  char c, bad = 0;
  char c, bad = 0;
 
 
  if (*input_line_pointer == '#')
  if (*input_line_pointer == '#')
    ++input_line_pointer;
    ++input_line_pointer;
 
 
  cname = input_line_pointer;
  cname = input_line_pointer;
  c = get_symbol_end ();
  c = get_symbol_end ();
  csym = symbol_find (cname);
  csym = symbol_find (cname);
 
 
  /* GCFIXME: should check that we don't have two .vtable_inherits for
  /* GCFIXME: should check that we don't have two .vtable_inherits for
     the same child symbol.  Also, we can currently only do this if the
     the same child symbol.  Also, we can currently only do this if the
     child symbol is already exists and is placed in a fragment.  */
     child symbol is already exists and is placed in a fragment.  */
 
 
  if (csym == NULL || symbol_get_frag (csym) == NULL)
  if (csym == NULL || symbol_get_frag (csym) == NULL)
    {
    {
      as_bad (_("expected `%s' to have already been set for .vtable_inherit"),
      as_bad (_("expected `%s' to have already been set for .vtable_inherit"),
              cname);
              cname);
      bad = 1;
      bad = 1;
    }
    }
 
 
  *input_line_pointer = c;
  *input_line_pointer = c;
 
 
  SKIP_WHITESPACE ();
  SKIP_WHITESPACE ();
  if (*input_line_pointer != ',')
  if (*input_line_pointer != ',')
    {
    {
      as_bad (_("expected comma after name in .vtable_inherit"));
      as_bad (_("expected comma after name in .vtable_inherit"));
      ignore_rest_of_line ();
      ignore_rest_of_line ();
      return NULL;
      return NULL;
    }
    }
 
 
  ++input_line_pointer;
  ++input_line_pointer;
  SKIP_WHITESPACE ();
  SKIP_WHITESPACE ();
 
 
  if (*input_line_pointer == '#')
  if (*input_line_pointer == '#')
    ++input_line_pointer;
    ++input_line_pointer;
 
 
  if (input_line_pointer[0] == '0'
  if (input_line_pointer[0] == '0'
      && (input_line_pointer[1] == '\0'
      && (input_line_pointer[1] == '\0'
          || ISSPACE (input_line_pointer[1])))
          || ISSPACE (input_line_pointer[1])))
    {
    {
      psym = section_symbol (absolute_section);
      psym = section_symbol (absolute_section);
      ++input_line_pointer;
      ++input_line_pointer;
    }
    }
  else
  else
    {
    {
      pname = input_line_pointer;
      pname = input_line_pointer;
      c = get_symbol_end ();
      c = get_symbol_end ();
      psym = symbol_find_or_make (pname);
      psym = symbol_find_or_make (pname);
      *input_line_pointer = c;
      *input_line_pointer = c;
    }
    }
 
 
  demand_empty_rest_of_line ();
  demand_empty_rest_of_line ();
 
 
  if (bad)
  if (bad)
    return NULL;
    return NULL;
 
 
  assert (symbol_get_value_expression (csym)->X_op == O_constant);
  assert (symbol_get_value_expression (csym)->X_op == O_constant);
  return fix_new (symbol_get_frag (csym),
  return fix_new (symbol_get_frag (csym),
                  symbol_get_value_expression (csym)->X_add_number,
                  symbol_get_value_expression (csym)->X_add_number,
                  0, psym, 0, 0, BFD_RELOC_VTABLE_INHERIT);
                  0, psym, 0, 0, BFD_RELOC_VTABLE_INHERIT);
}
}
 
 
/* This handles the .vtable_entry pseudo-op, which is used to indicate
/* This handles the .vtable_entry pseudo-op, which is used to indicate
   to the linker that a vtable slot was used.  The syntax is
   to the linker that a vtable slot was used.  The syntax is
   ".vtable_entry tablename, offset".  */
   ".vtable_entry tablename, offset".  */
 
 
struct fix *
struct fix *
obj_elf_vtable_entry (int ignore ATTRIBUTE_UNUSED)
obj_elf_vtable_entry (int ignore ATTRIBUTE_UNUSED)
{
{
  char *name;
  char *name;
  symbolS *sym;
  symbolS *sym;
  offsetT offset;
  offsetT offset;
  char c;
  char c;
 
 
  if (*input_line_pointer == '#')
  if (*input_line_pointer == '#')
    ++input_line_pointer;
    ++input_line_pointer;
 
 
  name = input_line_pointer;
  name = input_line_pointer;
  c = get_symbol_end ();
  c = get_symbol_end ();
  sym = symbol_find_or_make (name);
  sym = symbol_find_or_make (name);
  *input_line_pointer = c;
  *input_line_pointer = c;
 
 
  SKIP_WHITESPACE ();
  SKIP_WHITESPACE ();
  if (*input_line_pointer != ',')
  if (*input_line_pointer != ',')
    {
    {
      as_bad (_("expected comma after name in .vtable_entry"));
      as_bad (_("expected comma after name in .vtable_entry"));
      ignore_rest_of_line ();
      ignore_rest_of_line ();
      return NULL;
      return NULL;
    }
    }
 
 
  ++input_line_pointer;
  ++input_line_pointer;
  if (*input_line_pointer == '#')
  if (*input_line_pointer == '#')
    ++input_line_pointer;
    ++input_line_pointer;
 
 
  offset = get_absolute_expression ();
  offset = get_absolute_expression ();
 
 
  demand_empty_rest_of_line ();
  demand_empty_rest_of_line ();
 
 
  return fix_new (frag_now, frag_now_fix (), 0, sym, offset, 0,
  return fix_new (frag_now, frag_now_fix (), 0, sym, offset, 0,
                  BFD_RELOC_VTABLE_ENTRY);
                  BFD_RELOC_VTABLE_ENTRY);
}
}
 
 
void
void
elf_obj_read_begin_hook (void)
elf_obj_read_begin_hook (void)
{
{
#ifdef NEED_ECOFF_DEBUG
#ifdef NEED_ECOFF_DEBUG
  if (ECOFF_DEBUGGING)
  if (ECOFF_DEBUGGING)
    ecoff_read_begin_hook ();
    ecoff_read_begin_hook ();
#endif
#endif
}
}
 
 
void
void
elf_obj_symbol_new_hook (symbolS *symbolP)
elf_obj_symbol_new_hook (symbolS *symbolP)
{
{
  struct elf_obj_sy *sy_obj;
  struct elf_obj_sy *sy_obj;
 
 
  sy_obj = symbol_get_obj (symbolP);
  sy_obj = symbol_get_obj (symbolP);
  sy_obj->size = NULL;
  sy_obj->size = NULL;
  sy_obj->versioned_name = NULL;
  sy_obj->versioned_name = NULL;
 
 
#ifdef NEED_ECOFF_DEBUG
#ifdef NEED_ECOFF_DEBUG
  if (ECOFF_DEBUGGING)
  if (ECOFF_DEBUGGING)
    ecoff_symbol_new_hook (symbolP);
    ecoff_symbol_new_hook (symbolP);
#endif
#endif
}
}
 
 
/* When setting one symbol equal to another, by default we probably
/* When setting one symbol equal to another, by default we probably
   want them to have the same "size", whatever it means in the current
   want them to have the same "size", whatever it means in the current
   context.  */
   context.  */
 
 
void
void
elf_copy_symbol_attributes (symbolS *dest, symbolS *src)
elf_copy_symbol_attributes (symbolS *dest, symbolS *src)
{
{
  struct elf_obj_sy *srcelf = symbol_get_obj (src);
  struct elf_obj_sy *srcelf = symbol_get_obj (src);
  struct elf_obj_sy *destelf = symbol_get_obj (dest);
  struct elf_obj_sy *destelf = symbol_get_obj (dest);
  if (srcelf->size)
  if (srcelf->size)
    {
    {
      if (destelf->size == NULL)
      if (destelf->size == NULL)
        destelf->size = xmalloc (sizeof (expressionS));
        destelf->size = xmalloc (sizeof (expressionS));
      *destelf->size = *srcelf->size;
      *destelf->size = *srcelf->size;
    }
    }
  else
  else
    {
    {
      if (destelf->size != NULL)
      if (destelf->size != NULL)
        free (destelf->size);
        free (destelf->size);
      destelf->size = NULL;
      destelf->size = NULL;
    }
    }
  S_SET_SIZE (dest, S_GET_SIZE (src));
  S_SET_SIZE (dest, S_GET_SIZE (src));
  /* Don't copy visibility.  */
  /* Don't copy visibility.  */
  S_SET_OTHER (dest, (ELF_ST_VISIBILITY (S_GET_OTHER (dest))
  S_SET_OTHER (dest, (ELF_ST_VISIBILITY (S_GET_OTHER (dest))
                      | (S_GET_OTHER (src) & ~ELF_ST_VISIBILITY (-1))));
                      | (S_GET_OTHER (src) & ~ELF_ST_VISIBILITY (-1))));
}
}
 
 
void
void
obj_elf_version (int ignore ATTRIBUTE_UNUSED)
obj_elf_version (int ignore ATTRIBUTE_UNUSED)
{
{
  char *name;
  char *name;
  unsigned int c;
  unsigned int c;
  char *p;
  char *p;
  asection *seg = now_seg;
  asection *seg = now_seg;
  subsegT subseg = now_subseg;
  subsegT subseg = now_subseg;
  Elf_Internal_Note i_note;
  Elf_Internal_Note i_note;
  Elf_External_Note e_note;
  Elf_External_Note e_note;
  asection *note_secp = NULL;
  asection *note_secp = NULL;
 
 
  SKIP_WHITESPACE ();
  SKIP_WHITESPACE ();
  if (*input_line_pointer == '\"')
  if (*input_line_pointer == '\"')
    {
    {
      unsigned int len;
      unsigned int len;
 
 
      ++input_line_pointer;     /* -> 1st char of string.  */
      ++input_line_pointer;     /* -> 1st char of string.  */
      name = input_line_pointer;
      name = input_line_pointer;
 
 
      while (is_a_char (c = next_char_of_string ()))
      while (is_a_char (c = next_char_of_string ()))
        ;
        ;
      c = *input_line_pointer;
      c = *input_line_pointer;
      *input_line_pointer = '\0';
      *input_line_pointer = '\0';
      *(input_line_pointer - 1) = '\0';
      *(input_line_pointer - 1) = '\0';
      *input_line_pointer = c;
      *input_line_pointer = c;
 
 
      /* Create the .note section.  */
      /* Create the .note section.  */
      note_secp = subseg_new (".note", 0);
      note_secp = subseg_new (".note", 0);
      bfd_set_section_flags (stdoutput,
      bfd_set_section_flags (stdoutput,
                             note_secp,
                             note_secp,
                             SEC_HAS_CONTENTS | SEC_READONLY);
                             SEC_HAS_CONTENTS | SEC_READONLY);
 
 
      /* Process the version string.  */
      /* Process the version string.  */
      len = strlen (name) + 1;
      len = strlen (name) + 1;
 
 
      /* PR 3456: Although the name field is padded out to an 4-byte
      /* PR 3456: Although the name field is padded out to an 4-byte
         boundary, the namesz field should not be adjusted.  */
         boundary, the namesz field should not be adjusted.  */
      i_note.namesz = len;
      i_note.namesz = len;
      i_note.descsz = 0; /* No description.  */
      i_note.descsz = 0; /* No description.  */
      i_note.type = NT_VERSION;
      i_note.type = NT_VERSION;
      p = frag_more (sizeof (e_note.namesz));
      p = frag_more (sizeof (e_note.namesz));
      md_number_to_chars (p, i_note.namesz, sizeof (e_note.namesz));
      md_number_to_chars (p, i_note.namesz, sizeof (e_note.namesz));
      p = frag_more (sizeof (e_note.descsz));
      p = frag_more (sizeof (e_note.descsz));
      md_number_to_chars (p, i_note.descsz, sizeof (e_note.descsz));
      md_number_to_chars (p, i_note.descsz, sizeof (e_note.descsz));
      p = frag_more (sizeof (e_note.type));
      p = frag_more (sizeof (e_note.type));
      md_number_to_chars (p, i_note.type, sizeof (e_note.type));
      md_number_to_chars (p, i_note.type, sizeof (e_note.type));
      p = frag_more (len);
      p = frag_more (len);
      memcpy (p, name, len);
      memcpy (p, name, len);
 
 
      frag_align (2, 0, 0);
      frag_align (2, 0, 0);
 
 
      subseg_set (seg, subseg);
      subseg_set (seg, subseg);
    }
    }
  else
  else
    as_bad (_("expected quoted string"));
    as_bad (_("expected quoted string"));
 
 
  demand_empty_rest_of_line ();
  demand_empty_rest_of_line ();
}
}
 
 
static void
static void
obj_elf_size (int ignore ATTRIBUTE_UNUSED)
obj_elf_size (int ignore ATTRIBUTE_UNUSED)
{
{
  char *name = input_line_pointer;
  char *name = input_line_pointer;
  char c = get_symbol_end ();
  char c = get_symbol_end ();
  char *p;
  char *p;
  expressionS exp;
  expressionS exp;
  symbolS *sym;
  symbolS *sym;
 
 
  p = input_line_pointer;
  p = input_line_pointer;
  *p = c;
  *p = c;
  SKIP_WHITESPACE ();
  SKIP_WHITESPACE ();
  if (*input_line_pointer != ',')
  if (*input_line_pointer != ',')
    {
    {
      *p = 0;
      *p = 0;
      as_bad (_("expected comma after name `%s' in .size directive"), name);
      as_bad (_("expected comma after name `%s' in .size directive"), name);
      *p = c;
      *p = c;
      ignore_rest_of_line ();
      ignore_rest_of_line ();
      return;
      return;
    }
    }
  input_line_pointer++;
  input_line_pointer++;
  expression (&exp);
  expression (&exp);
  if (exp.X_op == O_absent)
  if (exp.X_op == O_absent)
    {
    {
      as_bad (_("missing expression in .size directive"));
      as_bad (_("missing expression in .size directive"));
      exp.X_op = O_constant;
      exp.X_op = O_constant;
      exp.X_add_number = 0;
      exp.X_add_number = 0;
    }
    }
  *p = 0;
  *p = 0;
  sym = symbol_find_or_make (name);
  sym = symbol_find_or_make (name);
  *p = c;
  *p = c;
  if (exp.X_op == O_constant)
  if (exp.X_op == O_constant)
    {
    {
      S_SET_SIZE (sym, exp.X_add_number);
      S_SET_SIZE (sym, exp.X_add_number);
      if (symbol_get_obj (sym)->size)
      if (symbol_get_obj (sym)->size)
        {
        {
          xfree (symbol_get_obj (sym)->size);
          xfree (symbol_get_obj (sym)->size);
          symbol_get_obj (sym)->size = NULL;
          symbol_get_obj (sym)->size = NULL;
        }
        }
    }
    }
  else
  else
    {
    {
      symbol_get_obj (sym)->size = xmalloc (sizeof (expressionS));
      symbol_get_obj (sym)->size = xmalloc (sizeof (expressionS));
      *symbol_get_obj (sym)->size = exp;
      *symbol_get_obj (sym)->size = exp;
    }
    }
  demand_empty_rest_of_line ();
  demand_empty_rest_of_line ();
}
}
 
 
/* Handle the ELF .type pseudo-op.  This sets the type of a symbol.
/* Handle the ELF .type pseudo-op.  This sets the type of a symbol.
   There are six syntaxes:
   There are six syntaxes:
 
 
   The first (used on Solaris) is
   The first (used on Solaris) is
       .type SYM,#function
       .type SYM,#function
   The second (used on UnixWare) is
   The second (used on UnixWare) is
       .type SYM,@function
       .type SYM,@function
   The third (reportedly to be used on Irix 6.0) is
   The third (reportedly to be used on Irix 6.0) is
       .type SYM STT_FUNC
       .type SYM STT_FUNC
   The fourth (used on NetBSD/Arm and Linux/ARM) is
   The fourth (used on NetBSD/Arm and Linux/ARM) is
       .type SYM,%function
       .type SYM,%function
   The fifth (used on SVR4/860) is
   The fifth (used on SVR4/860) is
       .type SYM,"function"
       .type SYM,"function"
   The sixth (emitted by recent SunPRO under Solaris) is
   The sixth (emitted by recent SunPRO under Solaris) is
       .type SYM,[0-9]
       .type SYM,[0-9]
   where the integer is the STT_* value.
   where the integer is the STT_* value.
   */
   */
 
 
static char *
static char *
obj_elf_type_name (char *cp)
obj_elf_type_name (char *cp)
{
{
  char *p;
  char *p;
 
 
  p = input_line_pointer;
  p = input_line_pointer;
  if (*input_line_pointer >= '0'
  if (*input_line_pointer >= '0'
      && *input_line_pointer <= '9')
      && *input_line_pointer <= '9')
    {
    {
      while (*input_line_pointer >= '0'
      while (*input_line_pointer >= '0'
             && *input_line_pointer <= '9')
             && *input_line_pointer <= '9')
        ++input_line_pointer;
        ++input_line_pointer;
      *cp = *input_line_pointer;
      *cp = *input_line_pointer;
      *input_line_pointer = '\0';
      *input_line_pointer = '\0';
    }
    }
  else
  else
    *cp = get_symbol_end ();
    *cp = get_symbol_end ();
 
 
  return p;
  return p;
}
}
 
 
static void
static void
obj_elf_type (int ignore ATTRIBUTE_UNUSED)
obj_elf_type (int ignore ATTRIBUTE_UNUSED)
{
{
  char *name;
  char *name;
  char c;
  char c;
  int type;
  int type;
  const char *typename;
  const char *typename;
  symbolS *sym;
  symbolS *sym;
  elf_symbol_type *elfsym;
  elf_symbol_type *elfsym;
 
 
  name = input_line_pointer;
  name = input_line_pointer;
  c = get_symbol_end ();
  c = get_symbol_end ();
  sym = symbol_find_or_make (name);
  sym = symbol_find_or_make (name);
  elfsym = (elf_symbol_type *) symbol_get_bfdsym (sym);
  elfsym = (elf_symbol_type *) symbol_get_bfdsym (sym);
  *input_line_pointer = c;
  *input_line_pointer = c;
 
 
  SKIP_WHITESPACE ();
  SKIP_WHITESPACE ();
  if (*input_line_pointer == ',')
  if (*input_line_pointer == ',')
    ++input_line_pointer;
    ++input_line_pointer;
 
 
  SKIP_WHITESPACE ();
  SKIP_WHITESPACE ();
  if (   *input_line_pointer == '#'
  if (   *input_line_pointer == '#'
      || *input_line_pointer == '@'
      || *input_line_pointer == '@'
      || *input_line_pointer == '"'
      || *input_line_pointer == '"'
      || *input_line_pointer == '%')
      || *input_line_pointer == '%')
    ++input_line_pointer;
    ++input_line_pointer;
 
 
  typename = obj_elf_type_name (& c);
  typename = obj_elf_type_name (& c);
 
 
  type = 0;
  type = 0;
  if (strcmp (typename, "function") == 0
  if (strcmp (typename, "function") == 0
      || strcmp (typename, "2") == 0
      || strcmp (typename, "2") == 0
      || strcmp (typename, "STT_FUNC") == 0)
      || strcmp (typename, "STT_FUNC") == 0)
    type = BSF_FUNCTION;
    type = BSF_FUNCTION;
  else if (strcmp (typename, "object") == 0
  else if (strcmp (typename, "object") == 0
           || strcmp (typename, "1") == 0
           || strcmp (typename, "1") == 0
           || strcmp (typename, "STT_OBJECT") == 0)
           || strcmp (typename, "STT_OBJECT") == 0)
    type = BSF_OBJECT;
    type = BSF_OBJECT;
  else if (strcmp (typename, "tls_object") == 0
  else if (strcmp (typename, "tls_object") == 0
           || strcmp (typename, "6") == 0
           || strcmp (typename, "6") == 0
           || strcmp (typename, "STT_TLS") == 0)
           || strcmp (typename, "STT_TLS") == 0)
    type = BSF_OBJECT | BSF_THREAD_LOCAL;
    type = BSF_OBJECT | BSF_THREAD_LOCAL;
  else if (strcmp (typename, "notype") == 0
  else if (strcmp (typename, "notype") == 0
           || strcmp (typename, "0") == 0
           || strcmp (typename, "0") == 0
           || strcmp (typename, "STT_NOTYPE") == 0)
           || strcmp (typename, "STT_NOTYPE") == 0)
    ;
    ;
  else if (strcmp (typename, "common") == 0
  else if (strcmp (typename, "common") == 0
           || strcmp (typename, "5") == 0
           || strcmp (typename, "5") == 0
           || strcmp (typename, "STT_COMMON") == 0)
           || strcmp (typename, "STT_COMMON") == 0)
    {
    {
      type = BSF_OBJECT;
      type = BSF_OBJECT;
 
 
      if (! S_IS_COMMON (sym))
      if (! S_IS_COMMON (sym))
        {
        {
          if (S_IS_VOLATILE (sym))
          if (S_IS_VOLATILE (sym))
            {
            {
              sym = symbol_clone (sym, 1);
              sym = symbol_clone (sym, 1);
              S_SET_SEGMENT (sym, bfd_com_section_ptr);
              S_SET_SEGMENT (sym, bfd_com_section_ptr);
              S_SET_VALUE (sym, 0);
              S_SET_VALUE (sym, 0);
              S_SET_EXTERNAL (sym);
              S_SET_EXTERNAL (sym);
              symbol_set_frag (sym, &zero_address_frag);
              symbol_set_frag (sym, &zero_address_frag);
              S_CLEAR_VOLATILE (sym);
              S_CLEAR_VOLATILE (sym);
            }
            }
          else if (S_IS_DEFINED (sym) || symbol_equated_p (sym))
          else if (S_IS_DEFINED (sym) || symbol_equated_p (sym))
            as_bad (_("symbol '%s' is already defined"), S_GET_NAME (sym));
            as_bad (_("symbol '%s' is already defined"), S_GET_NAME (sym));
          else
          else
            {
            {
              /* FIXME: Is it safe to just change the section ?  */
              /* FIXME: Is it safe to just change the section ?  */
              S_SET_SEGMENT (sym, bfd_com_section_ptr);
              S_SET_SEGMENT (sym, bfd_com_section_ptr);
              S_SET_VALUE (sym, 0);
              S_SET_VALUE (sym, 0);
              S_SET_EXTERNAL (sym);
              S_SET_EXTERNAL (sym);
            }
            }
        }
        }
    }
    }
#ifdef md_elf_symbol_type
#ifdef md_elf_symbol_type
  else if ((type = md_elf_symbol_type (typename, sym, elfsym)) != -1)
  else if ((type = md_elf_symbol_type (typename, sym, elfsym)) != -1)
    ;
    ;
#endif
#endif
  else
  else
    as_bad (_("unrecognized symbol type \"%s\""), typename);
    as_bad (_("unrecognized symbol type \"%s\""), typename);
 
 
  *input_line_pointer = c;
  *input_line_pointer = c;
 
 
  if (*input_line_pointer == '"')
  if (*input_line_pointer == '"')
    ++input_line_pointer;
    ++input_line_pointer;
 
 
  elfsym->symbol.flags |= type;
  elfsym->symbol.flags |= type;
 
 
  demand_empty_rest_of_line ();
  demand_empty_rest_of_line ();
}
}
 
 
static void
static void
obj_elf_ident (int ignore ATTRIBUTE_UNUSED)
obj_elf_ident (int ignore ATTRIBUTE_UNUSED)
{
{
  static segT comment_section;
  static segT comment_section;
  segT old_section = now_seg;
  segT old_section = now_seg;
  int old_subsection = now_subseg;
  int old_subsection = now_subseg;
 
 
#ifdef md_flush_pending_output
#ifdef md_flush_pending_output
  md_flush_pending_output ();
  md_flush_pending_output ();
#endif
#endif
 
 
  if (!comment_section)
  if (!comment_section)
    {
    {
      char *p;
      char *p;
      comment_section = subseg_new (".comment", 0);
      comment_section = subseg_new (".comment", 0);
      bfd_set_section_flags (stdoutput, comment_section,
      bfd_set_section_flags (stdoutput, comment_section,
                             SEC_READONLY | SEC_HAS_CONTENTS);
                             SEC_READONLY | SEC_HAS_CONTENTS);
      p = frag_more (1);
      p = frag_more (1);
      *p = 0;
      *p = 0;
    }
    }
  else
  else
    subseg_set (comment_section, 0);
    subseg_set (comment_section, 0);
  stringer (8 + 1);
  stringer (8 + 1);
  subseg_set (old_section, old_subsection);
  subseg_set (old_section, old_subsection);
}
}
 
 
#ifdef INIT_STAB_SECTION
#ifdef INIT_STAB_SECTION
 
 
/* The first entry in a .stabs section is special.  */
/* The first entry in a .stabs section is special.  */
 
 
void
void
obj_elf_init_stab_section (segT seg)
obj_elf_init_stab_section (segT seg)
{
{
  char *file;
  char *file;
  char *p;
  char *p;
  char *stabstr_name;
  char *stabstr_name;
  unsigned int stroff;
  unsigned int stroff;
 
 
  /* Force the section to align to a longword boundary.  Without this,
  /* Force the section to align to a longword boundary.  Without this,
     UnixWare ar crashes.  */
     UnixWare ar crashes.  */
  bfd_set_section_alignment (stdoutput, seg, 2);
  bfd_set_section_alignment (stdoutput, seg, 2);
 
 
  /* Make space for this first symbol.  */
  /* Make space for this first symbol.  */
  p = frag_more (12);
  p = frag_more (12);
  /* Zero it out.  */
  /* Zero it out.  */
  memset (p, 0, 12);
  memset (p, 0, 12);
  as_where (&file, NULL);
  as_where (&file, NULL);
  stabstr_name = xmalloc (strlen (segment_name (seg)) + 4);
  stabstr_name = xmalloc (strlen (segment_name (seg)) + 4);
  strcpy (stabstr_name, segment_name (seg));
  strcpy (stabstr_name, segment_name (seg));
  strcat (stabstr_name, "str");
  strcat (stabstr_name, "str");
  stroff = get_stab_string_offset (file, stabstr_name);
  stroff = get_stab_string_offset (file, stabstr_name);
  know (stroff == 1);
  know (stroff == 1);
  md_number_to_chars (p, stroff, 4);
  md_number_to_chars (p, stroff, 4);
  seg_info (seg)->stabu.p = p;
  seg_info (seg)->stabu.p = p;
}
}
 
 
#endif
#endif
 
 
/* Fill in the counts in the first entry in a .stabs section.  */
/* Fill in the counts in the first entry in a .stabs section.  */
 
 
static void
static void
adjust_stab_sections (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED)
adjust_stab_sections (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED)
{
{
  char *name;
  char *name;
  asection *strsec;
  asection *strsec;
  char *p;
  char *p;
  int strsz, nsyms;
  int strsz, nsyms;
 
 
  if (strncmp (".stab", sec->name, 5))
  if (strncmp (".stab", sec->name, 5))
    return;
    return;
  if (!strcmp ("str", sec->name + strlen (sec->name) - 3))
  if (!strcmp ("str", sec->name + strlen (sec->name) - 3))
    return;
    return;
 
 
  name = alloca (strlen (sec->name) + 4);
  name = alloca (strlen (sec->name) + 4);
  strcpy (name, sec->name);
  strcpy (name, sec->name);
  strcat (name, "str");
  strcat (name, "str");
  strsec = bfd_get_section_by_name (abfd, name);
  strsec = bfd_get_section_by_name (abfd, name);
  if (strsec)
  if (strsec)
    strsz = bfd_section_size (abfd, strsec);
    strsz = bfd_section_size (abfd, strsec);
  else
  else
    strsz = 0;
    strsz = 0;
  nsyms = bfd_section_size (abfd, sec) / 12 - 1;
  nsyms = bfd_section_size (abfd, sec) / 12 - 1;
 
 
  p = seg_info (sec)->stabu.p;
  p = seg_info (sec)->stabu.p;
  assert (p != 0);
  assert (p != 0);
 
 
  bfd_h_put_16 (abfd, nsyms, p + 6);
  bfd_h_put_16 (abfd, nsyms, p + 6);
  bfd_h_put_32 (abfd, strsz, p + 8);
  bfd_h_put_32 (abfd, strsz, p + 8);
}
}
 
 
#ifdef NEED_ECOFF_DEBUG
#ifdef NEED_ECOFF_DEBUG
 
 
/* This function is called by the ECOFF code.  It is supposed to
/* This function is called by the ECOFF code.  It is supposed to
   record the external symbol information so that the backend can
   record the external symbol information so that the backend can
   write it out correctly.  The ELF backend doesn't actually handle
   write it out correctly.  The ELF backend doesn't actually handle
   this at the moment, so we do it ourselves.  We save the information
   this at the moment, so we do it ourselves.  We save the information
   in the symbol.  */
   in the symbol.  */
 
 
#ifdef OBJ_MAYBE_ELF
#ifdef OBJ_MAYBE_ELF
static
static
#endif
#endif
void
void
elf_ecoff_set_ext (symbolS *sym, struct ecoff_extr *ext)
elf_ecoff_set_ext (symbolS *sym, struct ecoff_extr *ext)
{
{
  symbol_get_bfdsym (sym)->udata.p = ext;
  symbol_get_bfdsym (sym)->udata.p = ext;
}
}
 
 
/* This function is called by bfd_ecoff_debug_externals.  It is
/* This function is called by bfd_ecoff_debug_externals.  It is
   supposed to *EXT to the external symbol information, and return
   supposed to *EXT to the external symbol information, and return
   whether the symbol should be used at all.  */
   whether the symbol should be used at all.  */
 
 
static bfd_boolean
static bfd_boolean
elf_get_extr (asymbol *sym, EXTR *ext)
elf_get_extr (asymbol *sym, EXTR *ext)
{
{
  if (sym->udata.p == NULL)
  if (sym->udata.p == NULL)
    return FALSE;
    return FALSE;
  *ext = *(EXTR *) sym->udata.p;
  *ext = *(EXTR *) sym->udata.p;
  return TRUE;
  return TRUE;
}
}
 
 
/* This function is called by bfd_ecoff_debug_externals.  It has
/* This function is called by bfd_ecoff_debug_externals.  It has
   nothing to do for ELF.  */
   nothing to do for ELF.  */
 
 
static void
static void
elf_set_index (asymbol *sym ATTRIBUTE_UNUSED,
elf_set_index (asymbol *sym ATTRIBUTE_UNUSED,
               bfd_size_type indx ATTRIBUTE_UNUSED)
               bfd_size_type indx ATTRIBUTE_UNUSED)
{
{
}
}
 
 
#endif /* NEED_ECOFF_DEBUG */
#endif /* NEED_ECOFF_DEBUG */
 
 
void
void
elf_frob_symbol (symbolS *symp, int *puntp)
elf_frob_symbol (symbolS *symp, int *puntp)
{
{
  struct elf_obj_sy *sy_obj;
  struct elf_obj_sy *sy_obj;
 
 
#ifdef NEED_ECOFF_DEBUG
#ifdef NEED_ECOFF_DEBUG
  if (ECOFF_DEBUGGING)
  if (ECOFF_DEBUGGING)
    ecoff_frob_symbol (symp);
    ecoff_frob_symbol (symp);
#endif
#endif
 
 
  sy_obj = symbol_get_obj (symp);
  sy_obj = symbol_get_obj (symp);
 
 
  if (sy_obj->size != NULL)
  if (sy_obj->size != NULL)
    {
    {
      switch (sy_obj->size->X_op)
      switch (sy_obj->size->X_op)
        {
        {
        case O_subtract:
        case O_subtract:
          S_SET_SIZE (symp,
          S_SET_SIZE (symp,
                      (S_GET_VALUE (sy_obj->size->X_add_symbol)
                      (S_GET_VALUE (sy_obj->size->X_add_symbol)
                       + sy_obj->size->X_add_number
                       + sy_obj->size->X_add_number
                       - S_GET_VALUE (sy_obj->size->X_op_symbol)));
                       - S_GET_VALUE (sy_obj->size->X_op_symbol)));
          break;
          break;
        case O_constant:
        case O_constant:
          S_SET_SIZE (symp,
          S_SET_SIZE (symp,
                      (S_GET_VALUE (sy_obj->size->X_add_symbol)
                      (S_GET_VALUE (sy_obj->size->X_add_symbol)
                       + sy_obj->size->X_add_number));
                       + sy_obj->size->X_add_number));
          break;
          break;
        default:
        default:
          as_bad (_(".size expression too complicated to fix up"));
          as_bad (_(".size expression too complicated to fix up"));
          break;
          break;
        }
        }
      free (sy_obj->size);
      free (sy_obj->size);
      sy_obj->size = NULL;
      sy_obj->size = NULL;
    }
    }
 
 
  if (sy_obj->versioned_name != NULL)
  if (sy_obj->versioned_name != NULL)
    {
    {
      char *p;
      char *p;
 
 
      p = strchr (sy_obj->versioned_name, ELF_VER_CHR);
      p = strchr (sy_obj->versioned_name, ELF_VER_CHR);
      know (p != NULL);
      know (p != NULL);
 
 
      /* This symbol was given a new name with the .symver directive.
      /* This symbol was given a new name with the .symver directive.
 
 
         If this is an external reference, just rename the symbol to
         If this is an external reference, just rename the symbol to
         include the version string.  This will make the relocs be
         include the version string.  This will make the relocs be
         against the correct versioned symbol.
         against the correct versioned symbol.
 
 
         If this is a definition, add an alias.  FIXME: Using an alias
         If this is a definition, add an alias.  FIXME: Using an alias
         will permit the debugging information to refer to the right
         will permit the debugging information to refer to the right
         symbol.  However, it's not clear whether it is the best
         symbol.  However, it's not clear whether it is the best
         approach.  */
         approach.  */
 
 
      if (! S_IS_DEFINED (symp))
      if (! S_IS_DEFINED (symp))
        {
        {
          /* Verify that the name isn't using the @@ syntax--this is
          /* Verify that the name isn't using the @@ syntax--this is
             reserved for definitions of the default version to link
             reserved for definitions of the default version to link
             against.  */
             against.  */
          if (p[1] == ELF_VER_CHR)
          if (p[1] == ELF_VER_CHR)
            {
            {
              as_bad (_("invalid attempt to declare external version name as default in symbol `%s'"),
              as_bad (_("invalid attempt to declare external version name as default in symbol `%s'"),
                      sy_obj->versioned_name);
                      sy_obj->versioned_name);
              *puntp = TRUE;
              *puntp = TRUE;
            }
            }
          S_SET_NAME (symp, sy_obj->versioned_name);
          S_SET_NAME (symp, sy_obj->versioned_name);
        }
        }
      else
      else
        {
        {
          if (p[1] == ELF_VER_CHR && p[2] == ELF_VER_CHR)
          if (p[1] == ELF_VER_CHR && p[2] == ELF_VER_CHR)
            {
            {
              size_t l;
              size_t l;
 
 
              /* The @@@ syntax is a special case. It renames the
              /* The @@@ syntax is a special case. It renames the
                 symbol name to versioned_name with one `@' removed.  */
                 symbol name to versioned_name with one `@' removed.  */
              l = strlen (&p[3]) + 1;
              l = strlen (&p[3]) + 1;
              memmove (&p[2], &p[3], l);
              memmove (&p[2], &p[3], l);
              S_SET_NAME (symp, sy_obj->versioned_name);
              S_SET_NAME (symp, sy_obj->versioned_name);
            }
            }
          else
          else
            {
            {
              symbolS *symp2;
              symbolS *symp2;
 
 
              /* FIXME: Creating a new symbol here is risky.  We're
              /* FIXME: Creating a new symbol here is risky.  We're
                 in the final loop over the symbol table.  We can
                 in the final loop over the symbol table.  We can
                 get away with it only because the symbol goes to
                 get away with it only because the symbol goes to
                 the end of the list, where the loop will still see
                 the end of the list, where the loop will still see
                 it.  It would probably be better to do this in
                 it.  It would probably be better to do this in
                 obj_frob_file_before_adjust.  */
                 obj_frob_file_before_adjust.  */
 
 
              symp2 = symbol_find_or_make (sy_obj->versioned_name);
              symp2 = symbol_find_or_make (sy_obj->versioned_name);
 
 
              /* Now we act as though we saw symp2 = sym.  */
              /* Now we act as though we saw symp2 = sym.  */
 
 
              S_SET_SEGMENT (symp2, S_GET_SEGMENT (symp));
              S_SET_SEGMENT (symp2, S_GET_SEGMENT (symp));
 
 
              /* Subtracting out the frag address here is a hack
              /* Subtracting out the frag address here is a hack
                 because we are in the middle of the final loop.  */
                 because we are in the middle of the final loop.  */
              S_SET_VALUE (symp2,
              S_SET_VALUE (symp2,
                           (S_GET_VALUE (symp)
                           (S_GET_VALUE (symp)
                            - symbol_get_frag (symp)->fr_address));
                            - symbol_get_frag (symp)->fr_address));
 
 
              symbol_set_frag (symp2, symbol_get_frag (symp));
              symbol_set_frag (symp2, symbol_get_frag (symp));
 
 
              /* This will copy over the size information.  */
              /* This will copy over the size information.  */
              copy_symbol_attributes (symp2, symp);
              copy_symbol_attributes (symp2, symp);
 
 
              S_SET_OTHER (symp2, S_GET_OTHER (symp));
              S_SET_OTHER (symp2, S_GET_OTHER (symp));
 
 
              if (S_IS_WEAK (symp))
              if (S_IS_WEAK (symp))
                S_SET_WEAK (symp2);
                S_SET_WEAK (symp2);
 
 
              if (S_IS_EXTERNAL (symp))
              if (S_IS_EXTERNAL (symp))
                S_SET_EXTERNAL (symp2);
                S_SET_EXTERNAL (symp2);
            }
            }
        }
        }
    }
    }
 
 
  /* Double check weak symbols.  */
  /* Double check weak symbols.  */
  if (S_IS_WEAK (symp))
  if (S_IS_WEAK (symp))
    {
    {
      if (S_IS_COMMON (symp))
      if (S_IS_COMMON (symp))
        as_bad (_("symbol `%s' can not be both weak and common"),
        as_bad (_("symbol `%s' can not be both weak and common"),
                S_GET_NAME (symp));
                S_GET_NAME (symp));
    }
    }
 
 
#ifdef TC_MIPS
#ifdef TC_MIPS
  /* The Irix 5 and 6 assemblers set the type of any common symbol and
  /* The Irix 5 and 6 assemblers set the type of any common symbol and
     any undefined non-function symbol to STT_OBJECT.  We try to be
     any undefined non-function symbol to STT_OBJECT.  We try to be
     compatible, since newer Irix 5 and 6 linkers care.  However, we
     compatible, since newer Irix 5 and 6 linkers care.  However, we
     only set undefined symbols to be STT_OBJECT if we are on Irix,
     only set undefined symbols to be STT_OBJECT if we are on Irix,
     because that is the only time gcc will generate the necessary
     because that is the only time gcc will generate the necessary
     .global directives to mark functions.  */
     .global directives to mark functions.  */
 
 
  if (S_IS_COMMON (symp))
  if (S_IS_COMMON (symp))
    symbol_get_bfdsym (symp)->flags |= BSF_OBJECT;
    symbol_get_bfdsym (symp)->flags |= BSF_OBJECT;
 
 
  if (strstr (TARGET_OS, "irix") != NULL
  if (strstr (TARGET_OS, "irix") != NULL
      && ! S_IS_DEFINED (symp)
      && ! S_IS_DEFINED (symp)
      && (symbol_get_bfdsym (symp)->flags & BSF_FUNCTION) == 0)
      && (symbol_get_bfdsym (symp)->flags & BSF_FUNCTION) == 0)
    symbol_get_bfdsym (symp)->flags |= BSF_OBJECT;
    symbol_get_bfdsym (symp)->flags |= BSF_OBJECT;
#endif
#endif
}
}
 
 
struct group_list
struct group_list
{
{
  asection **head;              /* Section lists.  */
  asection **head;              /* Section lists.  */
  unsigned int *elt_count;      /* Number of sections in each list.  */
  unsigned int *elt_count;      /* Number of sections in each list.  */
  unsigned int num_group;       /* Number of lists.  */
  unsigned int num_group;       /* Number of lists.  */
};
};
 
 
/* Called via bfd_map_over_sections.  If SEC is a member of a group,
/* Called via bfd_map_over_sections.  If SEC is a member of a group,
   add it to a list of sections belonging to the group.  INF is a
   add it to a list of sections belonging to the group.  INF is a
   pointer to a struct group_list, which is where we store the head of
   pointer to a struct group_list, which is where we store the head of
   each list.  */
   each list.  */
 
 
static void
static void
build_group_lists (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, void *inf)
build_group_lists (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, void *inf)
{
{
  struct group_list *list = inf;
  struct group_list *list = inf;
  const char *group_name = elf_group_name (sec);
  const char *group_name = elf_group_name (sec);
  unsigned int i;
  unsigned int i;
 
 
  if (group_name == NULL)
  if (group_name == NULL)
    return;
    return;
 
 
  /* If this group already has a list, add the section to the head of
  /* If this group already has a list, add the section to the head of
     the list.  */
     the list.  */
  for (i = 0; i < list->num_group; i++)
  for (i = 0; i < list->num_group; i++)
    {
    {
      if (strcmp (group_name, elf_group_name (list->head[i])) == 0)
      if (strcmp (group_name, elf_group_name (list->head[i])) == 0)
        {
        {
          elf_next_in_group (sec) = list->head[i];
          elf_next_in_group (sec) = list->head[i];
          list->head[i] = sec;
          list->head[i] = sec;
          list->elt_count[i] += 1;
          list->elt_count[i] += 1;
          return;
          return;
        }
        }
    }
    }
 
 
  /* New group.  Make the arrays bigger in chunks to minimize calls to
  /* New group.  Make the arrays bigger in chunks to minimize calls to
     realloc.  */
     realloc.  */
  i = list->num_group;
  i = list->num_group;
  if ((i & 127) == 0)
  if ((i & 127) == 0)
    {
    {
      unsigned int newsize = i + 128;
      unsigned int newsize = i + 128;
      list->head = xrealloc (list->head, newsize * sizeof (*list->head));
      list->head = xrealloc (list->head, newsize * sizeof (*list->head));
      list->elt_count = xrealloc (list->elt_count,
      list->elt_count = xrealloc (list->elt_count,
                                  newsize * sizeof (*list->elt_count));
                                  newsize * sizeof (*list->elt_count));
    }
    }
  list->head[i] = sec;
  list->head[i] = sec;
  list->elt_count[i] = 1;
  list->elt_count[i] = 1;
  list->num_group += 1;
  list->num_group += 1;
}
}
 
 
void
void
elf_frob_file (void)
elf_frob_file (void)
{
{
  struct group_list list;
  struct group_list list;
  unsigned int i;
  unsigned int i;
 
 
  bfd_map_over_sections (stdoutput, adjust_stab_sections, NULL);
  bfd_map_over_sections (stdoutput, adjust_stab_sections, NULL);
 
 
  /* Go find section groups.  */
  /* Go find section groups.  */
  list.num_group = 0;
  list.num_group = 0;
  list.head = NULL;
  list.head = NULL;
  list.elt_count = NULL;
  list.elt_count = NULL;
  bfd_map_over_sections (stdoutput, build_group_lists, &list);
  bfd_map_over_sections (stdoutput, build_group_lists, &list);
 
 
  /* Make the SHT_GROUP sections that describe each section group.  We
  /* Make the SHT_GROUP sections that describe each section group.  We
     can't set up the section contents here yet, because elf section
     can't set up the section contents here yet, because elf section
     indices have yet to be calculated.  elf.c:set_group_contents does
     indices have yet to be calculated.  elf.c:set_group_contents does
     the rest of the work.  */
     the rest of the work.  */
  for (i = 0; i < list.num_group; i++)
  for (i = 0; i < list.num_group; i++)
    {
    {
      const char *group_name = elf_group_name (list.head[i]);
      const char *group_name = elf_group_name (list.head[i]);
      const char *sec_name;
      const char *sec_name;
      asection *s;
      asection *s;
      flagword flags;
      flagword flags;
      struct symbol *sy;
      struct symbol *sy;
      int has_sym;
      int has_sym;
      bfd_size_type size;
      bfd_size_type size;
 
 
      flags = SEC_READONLY | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_GROUP;
      flags = SEC_READONLY | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_GROUP;
      for (s = list.head[i]; s != NULL; s = elf_next_in_group (s))
      for (s = list.head[i]; s != NULL; s = elf_next_in_group (s))
        if ((s->flags ^ flags) & SEC_LINK_ONCE)
        if ((s->flags ^ flags) & SEC_LINK_ONCE)
          {
          {
            flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD;
            flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD;
            if (s != list.head[i])
            if (s != list.head[i])
              {
              {
                as_warn (_("assuming all members of group `%s' are COMDAT"),
                as_warn (_("assuming all members of group `%s' are COMDAT"),
                         group_name);
                         group_name);
                break;
                break;
              }
              }
          }
          }
 
 
      sec_name = group_name;
      sec_name = group_name;
      sy = symbol_find_exact (group_name);
      sy = symbol_find_exact (group_name);
      has_sym = 0;
      has_sym = 0;
      if (sy != NULL
      if (sy != NULL
          && (sy == symbol_lastP
          && (sy == symbol_lastP
              || (sy->sy_next != NULL
              || (sy->sy_next != NULL
                  && sy->sy_next->sy_previous == sy)))
                  && sy->sy_next->sy_previous == sy)))
        {
        {
          has_sym = 1;
          has_sym = 1;
          sec_name = ".group";
          sec_name = ".group";
        }
        }
      s = subseg_force_new (sec_name, 0);
      s = subseg_force_new (sec_name, 0);
      if (s == NULL
      if (s == NULL
          || !bfd_set_section_flags (stdoutput, s, flags)
          || !bfd_set_section_flags (stdoutput, s, flags)
          || !bfd_set_section_alignment (stdoutput, s, 2))
          || !bfd_set_section_alignment (stdoutput, s, 2))
        {
        {
          as_fatal (_("can't create group: %s"),
          as_fatal (_("can't create group: %s"),
                    bfd_errmsg (bfd_get_error ()));
                    bfd_errmsg (bfd_get_error ()));
        }
        }
      elf_section_type (s) = SHT_GROUP;
      elf_section_type (s) = SHT_GROUP;
 
 
      /* Pass a pointer to the first section in this group.  */
      /* Pass a pointer to the first section in this group.  */
      elf_next_in_group (s) = list.head[i];
      elf_next_in_group (s) = list.head[i];
      if (has_sym)
      if (has_sym)
        elf_group_id (s) = sy->bsym;
        elf_group_id (s) = sy->bsym;
 
 
      size = 4 * (list.elt_count[i] + 1);
      size = 4 * (list.elt_count[i] + 1);
      bfd_set_section_size (stdoutput, s, size);
      bfd_set_section_size (stdoutput, s, size);
      s->contents = (unsigned char *) frag_more (size);
      s->contents = (unsigned char *) frag_more (size);
      frag_now->fr_fix = frag_now_fix_octets ();
      frag_now->fr_fix = frag_now_fix_octets ();
      frag_wane (frag_now);
      frag_wane (frag_now);
    }
    }
 
 
#ifdef elf_tc_final_processing
#ifdef elf_tc_final_processing
  elf_tc_final_processing ();
  elf_tc_final_processing ();
#endif
#endif
}
}
 
 
/* It removes any unneeded versioned symbols from the symbol table.  */
/* It removes any unneeded versioned symbols from the symbol table.  */
 
 
void
void
elf_frob_file_before_adjust (void)
elf_frob_file_before_adjust (void)
{
{
  if (symbol_rootP)
  if (symbol_rootP)
    {
    {
      symbolS *symp;
      symbolS *symp;
 
 
      for (symp = symbol_rootP; symp; symp = symbol_next (symp))
      for (symp = symbol_rootP; symp; symp = symbol_next (symp))
        if (!S_IS_DEFINED (symp))
        if (!S_IS_DEFINED (symp))
          {
          {
            if (symbol_get_obj (symp)->versioned_name)
            if (symbol_get_obj (symp)->versioned_name)
              {
              {
                char *p;
                char *p;
 
 
                /* The @@@ syntax is a special case. If the symbol is
                /* The @@@ syntax is a special case. If the symbol is
                   not defined, 2 `@'s will be removed from the
                   not defined, 2 `@'s will be removed from the
                   versioned_name.  */
                   versioned_name.  */
 
 
                p = strchr (symbol_get_obj (symp)->versioned_name,
                p = strchr (symbol_get_obj (symp)->versioned_name,
                            ELF_VER_CHR);
                            ELF_VER_CHR);
                know (p != NULL);
                know (p != NULL);
                if (p[1] == ELF_VER_CHR && p[2] == ELF_VER_CHR)
                if (p[1] == ELF_VER_CHR && p[2] == ELF_VER_CHR)
                  {
                  {
                    size_t l = strlen (&p[3]) + 1;
                    size_t l = strlen (&p[3]) + 1;
                    memmove (&p[1], &p[3], l);
                    memmove (&p[1], &p[3], l);
                  }
                  }
                if (symbol_used_p (symp) == 0
                if (symbol_used_p (symp) == 0
                    && symbol_used_in_reloc_p (symp) == 0)
                    && symbol_used_in_reloc_p (symp) == 0)
                  symbol_remove (symp, &symbol_rootP, &symbol_lastP);
                  symbol_remove (symp, &symbol_rootP, &symbol_lastP);
              }
              }
 
 
            /* If there was .weak foo, but foo was neither defined nor
            /* If there was .weak foo, but foo was neither defined nor
               used anywhere, remove it.  */
               used anywhere, remove it.  */
 
 
            else if (S_IS_WEAK (symp)
            else if (S_IS_WEAK (symp)
                     && symbol_used_p (symp) == 0
                     && symbol_used_p (symp) == 0
                     && symbol_used_in_reloc_p (symp) == 0)
                     && symbol_used_in_reloc_p (symp) == 0)
              symbol_remove (symp, &symbol_rootP, &symbol_lastP);
              symbol_remove (symp, &symbol_rootP, &symbol_lastP);
          }
          }
    }
    }
}
}
 
 
/* It is required that we let write_relocs have the opportunity to
/* It is required that we let write_relocs have the opportunity to
   optimize away fixups before output has begun, since it is possible
   optimize away fixups before output has begun, since it is possible
   to eliminate all fixups for a section and thus we never should
   to eliminate all fixups for a section and thus we never should
   have generated the relocation section.  */
   have generated the relocation section.  */
 
 
void
void
elf_frob_file_after_relocs (void)
elf_frob_file_after_relocs (void)
{
{
#ifdef NEED_ECOFF_DEBUG
#ifdef NEED_ECOFF_DEBUG
  if (ECOFF_DEBUGGING)
  if (ECOFF_DEBUGGING)
    /* Generate the ECOFF debugging information.  */
    /* Generate the ECOFF debugging information.  */
    {
    {
      const struct ecoff_debug_swap *debug_swap;
      const struct ecoff_debug_swap *debug_swap;
      struct ecoff_debug_info debug;
      struct ecoff_debug_info debug;
      char *buf;
      char *buf;
      asection *sec;
      asection *sec;
 
 
      debug_swap
      debug_swap
        = get_elf_backend_data (stdoutput)->elf_backend_ecoff_debug_swap;
        = get_elf_backend_data (stdoutput)->elf_backend_ecoff_debug_swap;
      know (debug_swap != NULL);
      know (debug_swap != NULL);
      ecoff_build_debug (&debug.symbolic_header, &buf, debug_swap);
      ecoff_build_debug (&debug.symbolic_header, &buf, debug_swap);
 
 
      /* Set up the pointers in debug.  */
      /* Set up the pointers in debug.  */
#define SET(ptr, offset, type) \
#define SET(ptr, offset, type) \
    debug.ptr = (type) (buf + debug.symbolic_header.offset)
    debug.ptr = (type) (buf + debug.symbolic_header.offset)
 
 
      SET (line, cbLineOffset, unsigned char *);
      SET (line, cbLineOffset, unsigned char *);
      SET (external_dnr, cbDnOffset, void *);
      SET (external_dnr, cbDnOffset, void *);
      SET (external_pdr, cbPdOffset, void *);
      SET (external_pdr, cbPdOffset, void *);
      SET (external_sym, cbSymOffset, void *);
      SET (external_sym, cbSymOffset, void *);
      SET (external_opt, cbOptOffset, void *);
      SET (external_opt, cbOptOffset, void *);
      SET (external_aux, cbAuxOffset, union aux_ext *);
      SET (external_aux, cbAuxOffset, union aux_ext *);
      SET (ss, cbSsOffset, char *);
      SET (ss, cbSsOffset, char *);
      SET (external_fdr, cbFdOffset, void *);
      SET (external_fdr, cbFdOffset, void *);
      SET (external_rfd, cbRfdOffset, void *);
      SET (external_rfd, cbRfdOffset, void *);
      /* ssext and external_ext are set up just below.  */
      /* ssext and external_ext are set up just below.  */
 
 
#undef SET
#undef SET
 
 
      /* Set up the external symbols.  */
      /* Set up the external symbols.  */
      debug.ssext = debug.ssext_end = NULL;
      debug.ssext = debug.ssext_end = NULL;
      debug.external_ext = debug.external_ext_end = NULL;
      debug.external_ext = debug.external_ext_end = NULL;
      if (! bfd_ecoff_debug_externals (stdoutput, &debug, debug_swap, TRUE,
      if (! bfd_ecoff_debug_externals (stdoutput, &debug, debug_swap, TRUE,
                                       elf_get_extr, elf_set_index))
                                       elf_get_extr, elf_set_index))
        as_fatal (_("failed to set up debugging information: %s"),
        as_fatal (_("failed to set up debugging information: %s"),
                  bfd_errmsg (bfd_get_error ()));
                  bfd_errmsg (bfd_get_error ()));
 
 
      sec = bfd_get_section_by_name (stdoutput, ".mdebug");
      sec = bfd_get_section_by_name (stdoutput, ".mdebug");
      assert (sec != NULL);
      assert (sec != NULL);
 
 
      know (!stdoutput->output_has_begun);
      know (!stdoutput->output_has_begun);
 
 
      /* We set the size of the section, call bfd_set_section_contents
      /* We set the size of the section, call bfd_set_section_contents
         to force the ELF backend to allocate a file position, and then
         to force the ELF backend to allocate a file position, and then
         write out the data.  FIXME: Is this really the best way to do
         write out the data.  FIXME: Is this really the best way to do
         this?  */
         this?  */
      bfd_set_section_size
      bfd_set_section_size
        (stdoutput, sec, bfd_ecoff_debug_size (stdoutput, &debug, debug_swap));
        (stdoutput, sec, bfd_ecoff_debug_size (stdoutput, &debug, debug_swap));
 
 
      /* Pass BUF to bfd_set_section_contents because this will
      /* Pass BUF to bfd_set_section_contents because this will
         eventually become a call to fwrite, and ISO C prohibits
         eventually become a call to fwrite, and ISO C prohibits
         passing a NULL pointer to a stdio function even if the
         passing a NULL pointer to a stdio function even if the
         pointer will not be used.  */
         pointer will not be used.  */
      if (! bfd_set_section_contents (stdoutput, sec, buf, 0, 0))
      if (! bfd_set_section_contents (stdoutput, sec, buf, 0, 0))
        as_fatal (_("can't start writing .mdebug section: %s"),
        as_fatal (_("can't start writing .mdebug section: %s"),
                  bfd_errmsg (bfd_get_error ()));
                  bfd_errmsg (bfd_get_error ()));
 
 
      know (stdoutput->output_has_begun);
      know (stdoutput->output_has_begun);
      know (sec->filepos != 0);
      know (sec->filepos != 0);
 
 
      if (! bfd_ecoff_write_debug (stdoutput, &debug, debug_swap,
      if (! bfd_ecoff_write_debug (stdoutput, &debug, debug_swap,
                                   sec->filepos))
                                   sec->filepos))
        as_fatal (_("could not write .mdebug section: %s"),
        as_fatal (_("could not write .mdebug section: %s"),
                  bfd_errmsg (bfd_get_error ()));
                  bfd_errmsg (bfd_get_error ()));
    }
    }
#endif /* NEED_ECOFF_DEBUG */
#endif /* NEED_ECOFF_DEBUG */
}
}
 
 
#ifdef SCO_ELF
#ifdef SCO_ELF
 
 
/* Heavily plagiarized from obj_elf_version.  The idea is to emit the
/* Heavily plagiarized from obj_elf_version.  The idea is to emit the
   SCO specific identifier in the .notes section to satisfy the SCO
   SCO specific identifier in the .notes section to satisfy the SCO
   linker.
   linker.
 
 
   This looks more complicated than it really is.  As opposed to the
   This looks more complicated than it really is.  As opposed to the
   "obvious" solution, this should handle the cross dev cases
   "obvious" solution, this should handle the cross dev cases
   correctly.  (i.e, hosting on a 64 bit big endian processor, but
   correctly.  (i.e, hosting on a 64 bit big endian processor, but
   generating SCO Elf code) Efficiency isn't a concern, as there
   generating SCO Elf code) Efficiency isn't a concern, as there
   should be exactly one of these sections per object module.
   should be exactly one of these sections per object module.
 
 
   SCO OpenServer 5 identifies it's ELF modules with a standard ELF
   SCO OpenServer 5 identifies it's ELF modules with a standard ELF
   .note section.
   .note section.
 
 
   int_32 namesz  = 4 ;  Name size
   int_32 namesz  = 4 ;  Name size
   int_32 descsz  = 12 ; Descriptive information
   int_32 descsz  = 12 ; Descriptive information
   int_32 type    = 1 ;
   int_32 type    = 1 ;
   char   name[4] = "SCO" ; Originator name ALWAYS SCO + NULL
   char   name[4] = "SCO" ; Originator name ALWAYS SCO + NULL
   int_32 version = (major ver # << 16)  | version of tools ;
   int_32 version = (major ver # << 16)  | version of tools ;
   int_32 source  = (tool_id << 16 ) | 1 ;
   int_32 source  = (tool_id << 16 ) | 1 ;
   int_32 info    = 0 ;    These are set by the SCO tools, but we
   int_32 info    = 0 ;    These are set by the SCO tools, but we
                           don't know enough about the source
                           don't know enough about the source
                           environment to set them.  SCO ld currently
                           environment to set them.  SCO ld currently
                           ignores them, and recommends we set them
                           ignores them, and recommends we set them
                           to zero.  */
                           to zero.  */
 
 
#define SCO_MAJOR_VERSION 0x1
#define SCO_MAJOR_VERSION 0x1
#define SCO_MINOR_VERSION 0x1
#define SCO_MINOR_VERSION 0x1
 
 
void
void
sco_id (void)
sco_id (void)
{
{
 
 
  char *name;
  char *name;
  unsigned int c;
  unsigned int c;
  char ch;
  char ch;
  char *p;
  char *p;
  asection *seg = now_seg;
  asection *seg = now_seg;
  subsegT subseg = now_subseg;
  subsegT subseg = now_subseg;
  Elf_Internal_Note i_note;
  Elf_Internal_Note i_note;
  Elf_External_Note e_note;
  Elf_External_Note e_note;
  asection *note_secp = NULL;
  asection *note_secp = NULL;
  int i, len;
  int i, len;
 
 
  /* create the .note section */
  /* create the .note section */
 
 
  note_secp = subseg_new (".note", 0);
  note_secp = subseg_new (".note", 0);
  bfd_set_section_flags (stdoutput,
  bfd_set_section_flags (stdoutput,
                         note_secp,
                         note_secp,
                         SEC_HAS_CONTENTS | SEC_READONLY);
                         SEC_HAS_CONTENTS | SEC_READONLY);
 
 
  /* process the version string */
  /* process the version string */
 
 
  i_note.namesz = 4;
  i_note.namesz = 4;
  i_note.descsz = 12;           /* 12 descriptive bytes */
  i_note.descsz = 12;           /* 12 descriptive bytes */
  i_note.type = NT_VERSION;     /* Contains a version string */
  i_note.type = NT_VERSION;     /* Contains a version string */
 
 
  p = frag_more (sizeof (i_note.namesz));
  p = frag_more (sizeof (i_note.namesz));
  md_number_to_chars (p, i_note.namesz, 4);
  md_number_to_chars (p, i_note.namesz, 4);
 
 
  p = frag_more (sizeof (i_note.descsz));
  p = frag_more (sizeof (i_note.descsz));
  md_number_to_chars (p, i_note.descsz, 4);
  md_number_to_chars (p, i_note.descsz, 4);
 
 
  p = frag_more (sizeof (i_note.type));
  p = frag_more (sizeof (i_note.type));
  md_number_to_chars (p, i_note.type, 4);
  md_number_to_chars (p, i_note.type, 4);
 
 
  p = frag_more (4);
  p = frag_more (4);
  strcpy (p, "SCO");
  strcpy (p, "SCO");
 
 
  /* Note: this is the version number of the ELF we're representing */
  /* Note: this is the version number of the ELF we're representing */
  p = frag_more (4);
  p = frag_more (4);
  md_number_to_chars (p, (SCO_MAJOR_VERSION << 16) | (SCO_MINOR_VERSION), 4);
  md_number_to_chars (p, (SCO_MAJOR_VERSION << 16) | (SCO_MINOR_VERSION), 4);
 
 
  /* Here, we pick a magic number for ourselves (yes, I "registered"
  /* Here, we pick a magic number for ourselves (yes, I "registered"
     it with SCO.  The bottom bit shows that we are compat with the
     it with SCO.  The bottom bit shows that we are compat with the
     SCO ABI.  */
     SCO ABI.  */
  p = frag_more (4);
  p = frag_more (4);
  md_number_to_chars (p, 0x4c520000 | 0x0001, 4);
  md_number_to_chars (p, 0x4c520000 | 0x0001, 4);
 
 
  /* If we knew (or cared) what the source language options were, we'd
  /* If we knew (or cared) what the source language options were, we'd
     fill them in here.  SCO has given us permission to ignore these
     fill them in here.  SCO has given us permission to ignore these
     and just set them to zero.  */
     and just set them to zero.  */
  p = frag_more (4);
  p = frag_more (4);
  md_number_to_chars (p, 0x0000, 4);
  md_number_to_chars (p, 0x0000, 4);
 
 
  frag_align (2, 0, 0);
  frag_align (2, 0, 0);
 
 
  /* We probably can't restore the current segment, for there likely
  /* We probably can't restore the current segment, for there likely
     isn't one yet...  */
     isn't one yet...  */
  if (seg && subseg)
  if (seg && subseg)
    subseg_set (seg, subseg);
    subseg_set (seg, subseg);
 
 
}
}
 
 
#endif /* SCO_ELF */
#endif /* SCO_ELF */
 
 
static int
static int
elf_separate_stab_sections (void)
elf_separate_stab_sections (void)
{
{
#ifdef NEED_ECOFF_DEBUG
#ifdef NEED_ECOFF_DEBUG
  return (!ECOFF_DEBUGGING);
  return (!ECOFF_DEBUGGING);
#else
#else
  return 1;
  return 1;
#endif
#endif
}
}
 
 
static void
static void
elf_init_stab_section (segT seg)
elf_init_stab_section (segT seg)
{
{
#ifdef NEED_ECOFF_DEBUG
#ifdef NEED_ECOFF_DEBUG
  if (!ECOFF_DEBUGGING)
  if (!ECOFF_DEBUGGING)
#endif
#endif
    obj_elf_init_stab_section (seg);
    obj_elf_init_stab_section (seg);
}
}
 
 
const struct format_ops elf_format_ops =
const struct format_ops elf_format_ops =
{
{
  bfd_target_elf_flavour,
  bfd_target_elf_flavour,
  0,     /* dfl_leading_underscore */
  0,     /* dfl_leading_underscore */
  1,    /* emit_section_symbols */
  1,    /* emit_section_symbols */
  elf_begin,
  elf_begin,
  elf_file_symbol,
  elf_file_symbol,
  elf_frob_symbol,
  elf_frob_symbol,
  elf_frob_file,
  elf_frob_file,
  elf_frob_file_before_adjust,
  elf_frob_file_before_adjust,
  0,     /* obj_frob_file_before_fix */
  0,     /* obj_frob_file_before_fix */
  elf_frob_file_after_relocs,
  elf_frob_file_after_relocs,
  elf_s_get_size, elf_s_set_size,
  elf_s_get_size, elf_s_set_size,
  elf_s_get_align, elf_s_set_align,
  elf_s_get_align, elf_s_set_align,
  elf_s_get_other,
  elf_s_get_other,
  elf_s_set_other,
  elf_s_set_other,
  0,     /* s_get_desc */
  0,     /* s_get_desc */
  0,     /* s_set_desc */
  0,     /* s_set_desc */
  0,     /* s_get_type */
  0,     /* s_get_type */
  0,     /* s_set_type */
  0,     /* s_set_type */
  elf_copy_symbol_attributes,
  elf_copy_symbol_attributes,
#ifdef NEED_ECOFF_DEBUG
#ifdef NEED_ECOFF_DEBUG
  ecoff_generate_asm_lineno,
  ecoff_generate_asm_lineno,
  ecoff_stab,
  ecoff_stab,
#else
#else
  0,     /* generate_asm_lineno */
  0,     /* generate_asm_lineno */
  0,     /* process_stab */
  0,     /* process_stab */
#endif
#endif
  elf_separate_stab_sections,
  elf_separate_stab_sections,
  elf_init_stab_section,
  elf_init_stab_section,
  elf_sec_sym_ok_for_reloc,
  elf_sec_sym_ok_for_reloc,
  elf_pop_insert,
  elf_pop_insert,
#ifdef NEED_ECOFF_DEBUG
#ifdef NEED_ECOFF_DEBUG
  elf_ecoff_set_ext,
  elf_ecoff_set_ext,
#else
#else
  0,     /* ecoff_set_ext */
  0,     /* ecoff_set_ext */
#endif
#endif
  elf_obj_read_begin_hook,
  elf_obj_read_begin_hook,
  elf_obj_symbol_new_hook
  elf_obj_symbol_new_hook
};
};
 
 

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