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/* General Solaris system support.

   Copyright (C) 2004, 2005 , 2007 Free Software Foundation, Inc.

   Contributed by CodeSourcery, LLC.

This file is part of GCC.

GCC 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, or (at your option)

any later version.

GCC 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 GCC; see the file COPYING3.  If not see

<http://www.gnu.org/licenses/>.  */

#include "config.h"

#include "system.h"

#include "coretypes.h"

#include "tree.h"

#include "tm.h"

#include "rtl.h"

#include "tm_p.h"

#include "toplev.h"

#include "ggc.h"

tree solaris_pending_aligns, solaris_pending_inits, solaris_pending_finis;

/* Attach any pending attributes for DECL to the list in *ATTRIBUTES.

   Pending attributes come from #pragma or _Pragma, so this code is

   only useful in the C family front ends, but it is included in

   all languages to avoid changing the target machine initializer

   depending on the language.  */

void

solaris_insert_attributes (tree decl, tree *attributes)

{

  tree *x, next;

  if (solaris_pending_aligns != NULL && TREE_CODE (decl) == VAR_DECL)

    for (x = &solaris_pending_aligns; *x; x = &TREE_CHAIN (*x))

      {

        tree name = TREE_PURPOSE (*x);

        tree value = TREE_VALUE (*x);

        if (DECL_NAME (decl) == name)

          {

            if (lookup_attribute ("aligned", DECL_ATTRIBUTES (decl))

                || lookup_attribute ("aligned", *attributes))

              warning (0, "ignoring %<#pragma align%> for explicitly "

                       "aligned %q+D", decl);

            else

              *attributes = tree_cons (get_identifier ("aligned"), value,

                                       *attributes);

            next = TREE_CHAIN (*x);

            ggc_free (*x);

            *x = next;

            break;

          }

      }

  if (solaris_pending_inits != NULL && TREE_CODE (decl) == FUNCTION_DECL)

    for (x = &solaris_pending_inits; *x; x = &TREE_CHAIN (*x))

      {

        tree name = TREE_PURPOSE (*x);

        if (DECL_NAME (decl) == name)

          {

            *attributes = tree_cons (get_identifier ("init"), NULL,

                                     *attributes);

            *attributes = tree_cons (get_identifier ("used"), NULL,

                                     *attributes);

            next = TREE_CHAIN (*x);

            ggc_free (*x);

            *x = next;

            break;

          }

      }

  if (solaris_pending_finis != NULL && TREE_CODE (decl) == FUNCTION_DECL)

    for (x = &solaris_pending_finis; *x; x = &TREE_CHAIN (*x))

      {

        tree name = TREE_PURPOSE (*x);

        if (DECL_NAME (decl) == name)

          {

            *attributes = tree_cons (get_identifier ("fini"), NULL,

                                     *attributes);

            *attributes = tree_cons (get_identifier ("used"), NULL,

                                     *attributes);

            next = TREE_CHAIN (*x);

            ggc_free (*x);

            *x = next;

            break;

          }

      }

}

/* Output initializer or finalizer entries for DECL to FILE.  */

void

solaris_output_init_fini (FILE *file, tree decl)

{

  if (lookup_attribute ("init", DECL_ATTRIBUTES (decl)))

    {

      fprintf (file, "\t.pushsection\t\".init\"\n");

      ASM_OUTPUT_CALL (file, decl);

      fprintf (file, "\t.popsection\n");

    }

  if (lookup_attribute ("fini", DECL_ATTRIBUTES (decl)))

    {

      fprintf (file, "\t.pushsection\t\".fini\"\n");

      ASM_OUTPUT_CALL (file, decl);

      fprintf (file, "\t.popsection\n");

    }

}