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# This shell script emits a C file. -*- C -*-

# It does some substitutions.

if [ -z "$MACHINE" ]; then

  OUTPUT_ARCH=${ARCH}

else

  OUTPUT_ARCH=${ARCH}:${MACHINE}

fi

fragment <

/* This file is is generated by a shell script.  DO NOT EDIT! */

/* AIX emulation code for ${EMULATION_NAME}

   Copyright 1991, 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,

   2003, 2004, 2005, 2006, 2007, 2008

   Free Software Foundation, Inc.

   Written by Steve Chamberlain 

   AIX support by Ian Lance Taylor 

   AIX 64 bit support by Tom Rix 

   This file is part of the GNU Binutils.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program; if not, write to the Free Software

   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,

   MA 02110-1301, USA.  */

#define TARGET_IS_${EMULATION_NAME}

#include "sysdep.h"

#include "bfd.h"

#include "libiberty.h"

#include "safe-ctype.h"

#include "getopt.h"

#include "obstack.h"

#include "bfdlink.h"

#include "ld.h"

#include "ldmain.h"

#include "ldmisc.h"

#include "ldexp.h"

#include "ldlang.h"

#include "ldfile.h"

#include "ldemul.h"

#include "ldctor.h"

#include 

#include "coff/internal.h"

#include "coff/xcoff.h"

#include "libcoff.h"

#include "libxcoff.h"

static void gld${EMULATION_NAME}_read_file (const char *, bfd_boolean);

static void gld${EMULATION_NAME}_free (void *);

static void gld${EMULATION_NAME}_find_relocs (lang_statement_union_type *);

static void gld${EMULATION_NAME}_find_exp_assignment (etree_type *);

/* The file alignment required for each section.  */

static unsigned long file_align;

/* The maximum size the stack is permitted to grow.  This is stored in

   the a.out header.  */

static unsigned long maxstack;

/* The maximum data size.  This is stored in the a.out header.  */

static unsigned long maxdata;

/* Whether to perform garbage collection.  */

static int gc = 1;

/* The module type to use.  */

static unsigned short modtype = ('1' << 8) | 'L';

/* Whether the .text section must be read-only (i.e., no relocs

   permitted).  */

static int textro;

/* Whether to implement Unix like linker semantics.  */

static int unix_ld;

/* Structure used to hold import file list.  */

struct filelist

{

  struct filelist *next;

  const char *name;

};

/* List of import files.  */

static struct filelist *import_files;

/* List of export symbols read from the export files.  */

struct export_symbol_list

{

  struct export_symbol_list *next;

  const char *name;

};

static struct export_symbol_list *export_symbols;

/* Maintains the 32 or 64 bit mode state of import file */

static unsigned int symbol_mode = 0x04;

/* Which symbol modes are valid */

static unsigned int symbol_mode_mask = 0x0d;

/* Whether this is a 64 bit link */

static int is_64bit = 0;

/* Which syscalls from import file are valid */

static unsigned int syscall_mask = 0x77;

/* fake file for -binitfini support */

static lang_input_statement_type *initfini_file;

/* Whether to do run time linking

   -brtl enables, -bnortl and -bnortllib disable. */

static int rtld;

/* Explicit command line library path, -blibpath */

static char *command_line_blibpath = NULL;

/* This routine is called before anything else is done.  */

static void

gld${EMULATION_NAME}_before_parse (void)

{

  ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);

  config.has_shared = TRUE;

  /* The link_info.[init|fini]_functions are initialized in ld/lexsup.c.

     Override them here so we can use the link_info.init_function as a

     state flag that lets the backend know that -binitfini has been done.  */

  link_info.init_function = NULL;

  link_info.fini_function = NULL;

}

/* Handle AIX specific options.  */

enum

  {

    OPTION_IGNORE = 300,

    OPTION_AUTOIMP,

    OPTION_ERNOTOK,

    OPTION_EROK,

    OPTION_EXPORT,

    OPTION_IMPORT,

    OPTION_INITFINI,

    OPTION_LOADMAP,

    OPTION_MAXDATA,

    OPTION_MAXSTACK,

    OPTION_MODTYPE,

    OPTION_NOAUTOIMP,

    OPTION_NOSTRCMPCT,

    OPTION_PD,

    OPTION_PT,

    OPTION_STRCMPCT,

    OPTION_UNIX,

    OPTION_32,

    OPTION_64,

    OPTION_LIBPATH,

    OPTION_NOLIBPATH,

  };

static void

gld${EMULATION_NAME}_add_options

  (int ns, char **shortopts, int nl, struct option **longopts,

   int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED)

{

  static const char xtra_short[] = "D:H:KT:z";

  static const struct option xtra_long[] = {

  /* -binitfini has special handling in the linker backend.  The native linker

     uses the arguemnts to generate a table of init and fini functions for

     the executable.  The important use for this option is to support aix 4.2+

     c++ constructors and destructors.  This is tied into gcc via collect2.c.

     The function table is accessed by the runtime linker/loader by checking if

     the first symbol in the loader symbol table is __rtinit.  The gnu linker

     generates this symbol and makes it the first loader symbol.  */

    {"basis", no_argument, NULL, OPTION_IGNORE},

    {"bautoimp", no_argument, NULL, OPTION_AUTOIMP},

    {"bcomprld", no_argument, NULL, OPTION_IGNORE},

    {"bcrld", no_argument, NULL, OPTION_IGNORE},

    {"bcror31", no_argument, NULL, OPTION_IGNORE},

    {"bD", required_argument, NULL, OPTION_MAXDATA},

    {"bE", required_argument, NULL, OPTION_EXPORT},

    {"bernotok", no_argument, NULL, OPTION_ERNOTOK},

    {"berok", no_argument, NULL, OPTION_EROK},

    {"berrmsg", no_argument, NULL, OPTION_IGNORE},

    {"bexport", required_argument, NULL, OPTION_EXPORT},

    {"bf", no_argument, NULL, OPTION_ERNOTOK},

    {"bgc", no_argument, &gc, 1},

    {"bh", required_argument, NULL, OPTION_IGNORE},

    {"bhalt", required_argument, NULL, OPTION_IGNORE},

    {"bI", required_argument, NULL, OPTION_IMPORT},

    {"bimport", required_argument, NULL, OPTION_IMPORT},

    {"binitfini", required_argument, NULL, OPTION_INITFINI},

    {"bl", required_argument, NULL, OPTION_LOADMAP},

    {"bloadmap", required_argument, NULL, OPTION_LOADMAP},

    {"bmaxdata", required_argument, NULL, OPTION_MAXDATA},

    {"bmaxstack", required_argument, NULL, OPTION_MAXSTACK},

    {"bM", required_argument, NULL, OPTION_MODTYPE},

    {"bmodtype", required_argument, NULL, OPTION_MODTYPE},

    {"bnoautoimp", no_argument, NULL, OPTION_NOAUTOIMP},

    {"bnodelcsect", no_argument, NULL, OPTION_IGNORE},

    {"bnoentry", no_argument, NULL, OPTION_IGNORE},

    {"bnogc", no_argument, &gc, 0},

    {"bnso", no_argument, NULL, OPTION_NOAUTOIMP},

    {"bnostrcmpct", no_argument, NULL, OPTION_NOSTRCMPCT},

    {"bnotextro", no_argument, &textro, 0},

    {"bnro", no_argument, &textro, 0},

    {"bpD", required_argument, NULL, OPTION_PD},

    {"bpT", required_argument, NULL, OPTION_PT},

    {"bro", no_argument, &textro, 1},

    {"brtl", no_argument, &rtld, 1},

    {"bnortl", no_argument, &rtld, 0},

    {"bnortllib", no_argument, &rtld, 0},

    {"bS", required_argument, NULL, OPTION_MAXSTACK},

    {"bso", no_argument, NULL, OPTION_AUTOIMP},

    {"bstrcmpct", no_argument, NULL, OPTION_STRCMPCT},

    {"btextro", no_argument, &textro, 1},

    {"b32", no_argument, NULL, OPTION_32},

    {"b64", no_argument, NULL, OPTION_64},

    {"static", no_argument, NULL, OPTION_NOAUTOIMP},

    {"unix", no_argument, NULL, OPTION_UNIX},

    {"blibpath", required_argument, NULL, OPTION_LIBPATH},

    {"bnolibpath", required_argument, NULL, OPTION_NOLIBPATH},

    {NULL, no_argument, NULL, 0}

  };

  /* Options supported by the AIX linker which we do not support: -f,

     -S, -v, -Z, -bbindcmds, -bbinder, -bbindopts, -bcalls, -bcaps,

     -bcror15, -bdebugopt, -bdbg, -bdelcsect, -bex?, -bfilelist, -bfl,

     -bgcbypass, -bglink, -binsert, -bi, -bloadmap, -bl, -bmap, -bnl,

     -bnobind, -bnocomprld, -bnocrld, -bnoerrmsg, -bnoglink,

     -bnoloadmap, -bnl, -bnoobjreorder, -bnoquiet, -bnoreorder,

     -bnotypchk, -bnox, -bquiet, -bR, -brename, -breorder, -btypchk,

     -bx, -bX, -bxref.  */

  *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short));

  memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short));

  *longopts = xrealloc (*longopts,

                        nl * sizeof (struct option) + sizeof (xtra_long));

  memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));

}

static bfd_boolean

gld${EMULATION_NAME}_parse_args (int argc, char **argv)

{

  int indx;

  /* If the current option starts with -b, change the first : to an =.

     The AIX linker uses : to separate the option from the argument;

     changing it to = lets us treat it as a getopt option.  */

  indx = optind;

  if (indx == 0)

    indx = 1;

  if (indx < argc && CONST_STRNEQ (argv[indx], "-b"))

    {

      char *s;

      for (s = argv[indx]; *s != '\0'; s++)

        {

          if (*s == ':')

            {

              *s = '=';

              break;

            }

        }

    }

  return FALSE;

}

static bfd_boolean

gld${EMULATION_NAME}_handle_option (int optc)

{

  bfd_signed_vma val;

  const char *end;

  switch (optc)

    {

    default:

      return FALSE;

    case 0:

      /* Long option which just sets a flag.  */

      break;

    case 'D':

      val = bfd_scan_vma (optarg, &end, 0);

      if (*end != '\0')

        einfo ("%P: warning: ignoring invalid -D number %s\n", optarg);

      else if (val != -1)

        lang_section_start (".data", exp_intop (val), NULL);

      break;

    case 'H':

      val = bfd_scan_vma (optarg, &end, 0);

      if (*end != '\0' || (val & (val - 1)) != 0)

        einfo ("%P: warning: ignoring invalid -H number %s\n", optarg);

      else

        file_align = val;

      break;

    case 'K':

    case 'z':

      /* FIXME: This should use the page size for the target system.  */

      file_align = 4096;

      break;

    case 'T':

      /* On AIX this is the same as GNU ld -Ttext.  When we see -T

         number, we assume the AIX option is intended.  Otherwise, we

         assume the usual GNU ld -T option is intended.  We can't just

         ignore the AIX option, because gcc passes it to the linker.  */

      val = bfd_scan_vma (optarg, &end, 0);

      if (*end != '\0')

        return FALSE;

      lang_section_start (".text", exp_intop (val), NULL);

      break;

    case OPTION_IGNORE:

      break;

    case OPTION_INITFINI:

      {

        /*

         * The aix linker init fini has the format :

         *

         * -binitfini:[ Initial][:Termination][:Priority]

         *

         * it allows the Termination and Priority to be optional.

         *

         * Since we support only one init/fini pair, we ignore the Priority.

         *

         * Define the special symbol __rtinit.

         *

         * strtok does not correctly handle the case of -binitfini::fini: so

         * do it by hand

         */

        char *t, *i, *f;

        i = t = optarg;

        while (*t && ':' != *t)

          t++;

        if (*t)

          *t++ = 0;

        if (0 != strlen (i))

          link_info.init_function = i;

        f = t;

        while (*t && ':' != *t)

          t++;

        *t = 0;

        if (0 != strlen (f))

          link_info.fini_function = f;

      }

      break;

    case OPTION_AUTOIMP:

      link_info.static_link = FALSE;

      break;

    case OPTION_ERNOTOK:

      force_make_executable = FALSE;

      break;

    case OPTION_EROK:

      force_make_executable = TRUE;

      break;

    case OPTION_EXPORT:

      gld${EMULATION_NAME}_read_file (optarg, FALSE);

      break;

    case OPTION_IMPORT:

      {

        struct filelist *n;

        struct filelist **flpp;

        n = (struct filelist *) xmalloc (sizeof (struct filelist));

        n->next = NULL;

        n->name = optarg;

        flpp = &import_files;

        while (*flpp != NULL)

          flpp = &(*flpp)->next;

        *flpp = n;

      }

      break;

    case OPTION_LOADMAP:

      config.map_filename = optarg;

      break;

    case OPTION_MAXDATA:

      val = bfd_scan_vma (optarg, &end, 0);

      if (*end != '\0')

        einfo ("%P: warning: ignoring invalid -bmaxdata number %s\n", optarg);

      else

        maxdata = val;

      break;

    case OPTION_MAXSTACK:

      val = bfd_scan_vma (optarg, &end, 0);

      if (*end != '\0')

        einfo ("%P: warning: ignoring invalid -bmaxstack number %s\n",

               optarg);

      else

        maxstack = val;

      break;

    case OPTION_MODTYPE:

      if (*optarg == 'S')

        {

          link_info.shared = TRUE;

          ++optarg;

        }

      if (*optarg == '\0' || optarg[1] == '\0')

        einfo ("%P: warning: ignoring invalid module type %s\n", optarg);

      else

        modtype = (*optarg << 8) | optarg[1];

      break;

    case OPTION_NOAUTOIMP:

      link_info.static_link = TRUE;

      break;

    case OPTION_NOSTRCMPCT:

      link_info.traditional_format = TRUE;

      break;

    case OPTION_PD:

      /* This sets the page that the .data section is supposed to

         start on.  The offset within the page should still be the

         offset within the file, so we need to build an appropriate

         expression.  */

      val = bfd_scan_vma (optarg, &end, 0);

      if (*end != '\0')

        einfo ("%P: warning: ignoring invalid -pD number %s\n", optarg);

      else

        {

          etree_type *t;

          t = exp_binop ('+',

                         exp_intop (val),

                         exp_binop ('&',

                                    exp_nameop (NAME, "."),

                                    exp_intop (0xfff)));

          t = exp_binop ('&',

                         exp_binop ('+', t, exp_intop (31)),

                         exp_intop (~(bfd_vma) 31));

          lang_section_start (".data", t, NULL);

        }

      break;

    case OPTION_PT:

      /* This set the page that the .text section is supposed to start

         on.  The offset within the page should still be the offset

         within the file.  */

      val = bfd_scan_vma (optarg, &end, 0);

      if (*end != '\0')

        einfo ("%P: warning: ignoring invalid -pT number %s\n", optarg);

      else

        {

          etree_type *t;

          t = exp_binop ('+',

                         exp_intop (val),

                         exp_nameop (SIZEOF_HEADERS, NULL));

          t = exp_binop ('&',

                         exp_binop ('+', t, exp_intop (31)),

                         exp_intop (~(bfd_vma) 31));

          lang_section_start (".text", t, NULL);

        }

      break;

    case OPTION_STRCMPCT:

      link_info.traditional_format = FALSE;

      break;

    case OPTION_UNIX:

      unix_ld = TRUE;

      break;

    case OPTION_32:

      is_64bit = 0;

      syscall_mask = 0x77;

      symbol_mode_mask = 0x0d;

      break;

    case OPTION_64:

      is_64bit = 1;

      syscall_mask = 0xcc;

      symbol_mode_mask = 0x0e;

      break;

    case OPTION_LIBPATH:

      command_line_blibpath = optarg;

      break;

    case OPTION_NOLIBPATH:

      command_line_blibpath = NULL;

      break;

    }

  return TRUE;

}

/* This is called when an input file can not be recognized as a BFD

   object or an archive.  If the file starts with #!, we must treat it

   as an import file.  This is for AIX compatibility.  */

static bfd_boolean

gld${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry)

{

  FILE *e;

  bfd_boolean ret;

  e = fopen (entry->filename, FOPEN_RT);

  if (e == NULL)

    return FALSE;

  ret = FALSE;

  if (getc (e) == '#' && getc (e) == '!')

    {

      struct filelist *n;

      struct filelist **flpp;

      n = (struct filelist *) xmalloc (sizeof (struct filelist));

      n->next = NULL;

      n->name = entry->filename;

      flpp = &import_files;

      while (*flpp != NULL)

        flpp = &(*flpp)->next;

      *flpp = n;

      ret = TRUE;

      entry->loaded = TRUE;

    }

  fclose (e);

  return ret;

}

/* This is called after the input files have been opened.  */

static void

gld${EMULATION_NAME}_after_open (void)

{

  bfd_boolean r;

  struct set_info *p;

  /* Call ldctor_build_sets, after pretending that this is a

     relocatable link.  We do this because AIX requires relocation

     entries for all references to symbols, even in a final

     executable.  Of course, we only want to do this if we are

     producing an XCOFF output file.  */

  r = link_info.relocatable;

  if (strstr (bfd_get_target (link_info.output_bfd), "xcoff") != NULL)

    link_info.relocatable = TRUE;

  ldctor_build_sets ();

  link_info.relocatable = r;

  /* For each set, record the size, so that the XCOFF backend can

     output the correct csect length.  */

  for (p = sets; p != (struct set_info *) NULL; p = p->next)

    {

      bfd_size_type size;

      /* If the symbol is defined, we may have been invoked from

         collect, and the sets may already have been built, so we do

         not do anything.  */

      if (p->h->type == bfd_link_hash_defined

          || p->h->type == bfd_link_hash_defweak)

        continue;

      if (p->reloc != BFD_RELOC_CTOR)

        {

          /* Handle this if we need to.  */

          abort ();

        }

      size = (p->count + 2) * 4;

      if (!bfd_xcoff_link_record_set (link_info.output_bfd, &link_info,

                                      p->h, size))

        einfo ("%F%P: bfd_xcoff_link_record_set failed: %E\n");

    }

}

/* This is called after the sections have been attached to output

   sections, but before any sizes or addresses have been set.  */

static void

gld${EMULATION_NAME}_before_allocation (void)

{

  struct filelist *fl;

  struct export_symbol_list *el;

  char *libpath;

  asection *special_sections[XCOFF_NUMBER_OF_SPECIAL_SECTIONS];

  int i;

  /* Handle the import and export files, if any.  */

  for (fl = import_files; fl != NULL; fl = fl->next)

    gld${EMULATION_NAME}_read_file (fl->name, TRUE);

  for (el = export_symbols; el != NULL; el = el->next)

    {

      struct bfd_link_hash_entry *h;

      h = bfd_link_hash_lookup (link_info.hash, el->name, FALSE, FALSE, FALSE);

      if (h == NULL)

        einfo ("%P%F: bfd_link_hash_lookup of export symbol failed: %E\n");

      if (!bfd_xcoff_export_symbol (link_info.output_bfd, &link_info, h))

        einfo ("%P%F: bfd_xcoff_export_symbol failed: %E\n");

    }

  /* Track down all relocations called for by the linker script (these

     are typically constructor/destructor entries created by

     CONSTRUCTORS) and let the backend know it will need to create

     .loader relocs for them.  */

  lang_for_each_statement (gld${EMULATION_NAME}_find_relocs);

  /* Precedence of LIBPATH

     -blibpath:  native support always first

     -rpath:     gnu extension

     -L          build from command line -L's */

  if (command_line_blibpath != NULL)

    libpath = command_line_blibpath;

  else if (command_line.rpath != NULL)

    libpath = command_line.rpath;

  else if (search_head == NULL)

    libpath = (char *) "";

  else

    {

      size_t len;

      search_dirs_type *search;

      /* PR ld/4023: Strip sysroot prefix from any paths

         being inserted into the output binary's DT_RPATH.  */

      if (ld_sysroot != NULL

          && * ld_sysroot != 0)

        {

          const char * name = search_head->name;

          size_t ld_sysroot_len = strlen (ld_sysroot);

          if (strncmp (name, ld_sysroot, ld_sysroot_len) == 0)

            name += ld_sysroot_len;

          len = strlen (name);

          libpath = xmalloc (len + 1);

          strcpy (libpath, name);

          for (search = search_head->next; search != NULL; search = search->next)

            {

              size_t nlen;

              name = search->name;

              if (strncmp (name, ld_sysroot, ld_sysroot_len) == 0)

                name += ld_sysroot_len;

              nlen = strlen (name);

              libpath = xrealloc (libpath, len + nlen + 2);

              libpath[len] = ':';

              strcpy (libpath + len + 1, name);

              len += nlen + 1;

            }

        }

      else

        {

          len = strlen (search_head->name);

          libpath = xmalloc (len + 1);

          strcpy (libpath, search_head->name);

          for (search = search_head->next; search != NULL; search = search->next)

            {

              size_t nlen;

              nlen = strlen (search->name);

              libpath = xrealloc (libpath, len + nlen + 2);

              libpath[len] = ':';

              strcpy (libpath + len + 1, search->name);

              len += nlen + 1;

            }

        }

    }

  /* Let the XCOFF backend set up the .loader section.  */

  if (!bfd_xcoff_size_dynamic_sections

      (link_info.output_bfd, &link_info, libpath, entry_symbol.name, file_align,

       maxstack, maxdata, gc && !unix_ld ? TRUE : FALSE,

       modtype, textro ? TRUE : FALSE, unix_ld, special_sections,

       rtld ? TRUE : FALSE))

    einfo ("%P%F: failed to set dynamic section sizes: %E\n");

  /* Look through the special sections, and put them in the right

     place in the link ordering.  This is especially magic.  */

  for (i = 0; i < XCOFF_NUMBER_OF_SPECIAL_SECTIONS; i++)

    {

      asection *sec;

      lang_output_section_statement_type *os;

      lang_statement_union_type **pls;

      lang_input_section_type *is;

      const char *oname;

      bfd_boolean start;

      sec = special_sections[i];

      if (sec == NULL)

        continue;

      /* Remove this section from the list of the output section.

         This assumes we know what the script looks like.  */

      is = NULL;

      os = lang_output_section_find (sec->output_section->name);

      if (os == NULL)

        einfo ("%P%F: can't find output section %s\n",

               sec->output_section->name);

      for (pls = &os->children.head; *pls != NULL; pls = &(*pls)->header.next)

        {

          if ((*pls)->header.type == lang_input_section_enum

              && (*pls)->input_section.section == sec)

            {

              is = (lang_input_section_type *) * pls;

              *pls = (*pls)->header.next;

              break;

            }

          if ((*pls)->header.type == lang_wild_statement_enum)

            {

              lang_statement_union_type **pwls;

              for (pwls = &(*pls)->wild_statement.children.head;

                   *pwls != NULL; pwls = &(*pwls)->header.next)

                {

                  if ((*pwls)->header.type == lang_input_section_enum

                      && (*pwls)->input_section.section == sec)

                    {

                      is = (lang_input_section_type *) * pwls;

                      *pwls = (*pwls)->header.next;

                      break;

                    }

                }

              if (is != NULL)

                break;

            }

        }

      if (is == NULL)

        {

          einfo ("%P%F: can't find %s in output section\n",

                 bfd_get_section_name (sec->owner, sec));

        }

      /* Now figure out where the section should go.  */

      switch (i)

        {

        default:                /* to avoid warnings */

        case XCOFF_SPECIAL_SECTION_TEXT:

          /* _text */

          oname = ".text";

          start = TRUE;

          break;

        case XCOFF_SPECIAL_SECTION_ETEXT:

          /* _etext */

          oname = ".text";

          start = FALSE;

          break;

        case XCOFF_SPECIAL_SECTION_DATA:

          /* _data */

          oname = ".data";

          start = TRUE;

          break;

        case XCOFF_SPECIAL_SECTION_EDATA:

          /* _edata */

          oname = ".data";

          start = FALSE;

          break;

        case XCOFF_SPECIAL_SECTION_END:

        case XCOFF_SPECIAL_SECTION_END2:

          /* _end and end */

          oname = ".bss";

          start = FALSE;

          break;

        }

      os = lang_output_section_find (oname);

      if (start)

        {

          is->header.next = os->children.head;

          os->children.head = (lang_statement_union_type *) is;

        }

      else

        {

          is->header.next = NULL;

          lang_statement_append (&os->children,

                                 (lang_statement_union_type *) is,

                                 &is->header.next);

        }

    }

  before_allocation_default ();

}

static char *

gld${EMULATION_NAME}_choose_target (int argc, char **argv)

{

  int i, j, jmax;

  static char *from_outside;

  static char *from_inside;

  static char *argv_to_target[][2] = {

    {NULL,   "${OUTPUT_FORMAT}"},

    {"-b32", "${OUTPUT_FORMAT_32BIT}"},

    {"-b64", "${OUTPUT_FORMAT_64BIT}"},

  };

  jmax = 3;

  from_outside = getenv (TARGET_ENVIRON);

  if (from_outside != (char *) NULL)

    return from_outside;

  /* Set to default. */

  from_inside = argv_to_target[0][1];

  for (i = 1; i < argc; i++)

    {

      for (j = 1; j < jmax; j++)

        {

          if (0 == strcmp (argv[i], argv_to_target[j][0]))

            from_inside = argv_to_target[j][1];

        }

    }

  return from_inside;

}

/* Returns

   1 : state changed

static int

change_symbol_mode (char *input)

{

  char *symbol_mode_string[] = {

    "# 32",                     /* 0x01 */

    "# 64",                     /* 0x02 */

    "# no32",                   /* 0x04 */

    "# no64",                   /* 0x08 */

    NULL,

  };

  unsigned int bit;

  char *string;

  for (bit = 0;; bit++)

    {

      string = symbol_mode_string[bit];

      if (string == NULL)

        return 0;

      if (0 == strcmp (input, string))

        {

          symbol_mode = (1 << bit);

          return 1;

        }

    }

  /* should not be here */

  return 0;

}

/* Returns

   1 : yes

   -1 : error, try something else */

static int

is_syscall (char *input, unsigned int *flag)

{

  unsigned int bit;

  char *string;

  struct sc {

    char *syscall_string;

    unsigned int flag;

  } s [] = {

    { "svc"         /* 0x01 */, XCOFF_SYSCALL32 },

    { "svc32"       /* 0x02 */, XCOFF_SYSCALL32 },

    { "svc3264"     /* 0x04 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 },

    { "svc64"       /* 0x08 */, XCOFF_SYSCALL64 },

    { "syscall"     /* 0x10 */, XCOFF_SYSCALL32 },

    { "syscall32"   /* 0x20 */, XCOFF_SYSCALL32 },

    { "syscall3264" /* 0x40 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 },

    { "syscall64"   /* 0x80 */, XCOFF_SYSCALL64 },

    { NULL, 0 },

  };

  *flag = 0;

  for (bit = 0;; bit++)

    {

      string = s[bit].syscall_string;

      if (string == NULL)

        return -1;

      if (0 == strcmp (input, string))

        {

          if (1 << bit & syscall_mask)

            {

              *flag = s[bit].flag;

              return 1;

            }

          else

            {

              return 0;

            }