/* General Solaris system support.
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/* General Solaris system support.
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Copyright (C) 2004, 2005 , 2007, 2010 Free Software Foundation, Inc.
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Copyright (C) 2004, 2005 , 2007, 2010 Free Software Foundation, Inc.
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Contributed by CodeSourcery, LLC.
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Contributed by CodeSourcery, LLC.
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This file is part of GCC.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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any later version.
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GCC is distributed in the hope that it will be useful,
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "config.h"
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#include "system.h"
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#include "system.h"
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#include "coretypes.h"
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#include "coretypes.h"
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#include "tree.h"
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#include "tree.h"
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#include "output.h"
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#include "output.h"
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#include "tm.h"
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#include "tm.h"
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#include "rtl.h"
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#include "rtl.h"
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#include "tm_p.h"
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#include "tm_p.h"
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#include "toplev.h"
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#include "toplev.h"
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#include "ggc.h"
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#include "ggc.h"
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tree solaris_pending_aligns, solaris_pending_inits, solaris_pending_finis;
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tree solaris_pending_aligns, solaris_pending_inits, solaris_pending_finis;
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/* Attach any pending attributes for DECL to the list in *ATTRIBUTES.
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/* Attach any pending attributes for DECL to the list in *ATTRIBUTES.
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Pending attributes come from #pragma or _Pragma, so this code is
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Pending attributes come from #pragma or _Pragma, so this code is
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only useful in the C family front ends, but it is included in
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only useful in the C family front ends, but it is included in
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all languages to avoid changing the target machine initializer
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all languages to avoid changing the target machine initializer
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depending on the language. */
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depending on the language. */
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void
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void
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solaris_insert_attributes (tree decl, tree *attributes)
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solaris_insert_attributes (tree decl, tree *attributes)
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{
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{
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tree *x, next;
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tree *x, next;
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if (solaris_pending_aligns != NULL && TREE_CODE (decl) == VAR_DECL)
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if (solaris_pending_aligns != NULL && TREE_CODE (decl) == VAR_DECL)
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for (x = &solaris_pending_aligns; *x; x = &TREE_CHAIN (*x))
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for (x = &solaris_pending_aligns; *x; x = &TREE_CHAIN (*x))
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{
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{
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tree name = TREE_PURPOSE (*x);
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tree name = TREE_PURPOSE (*x);
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tree value = TREE_VALUE (*x);
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tree value = TREE_VALUE (*x);
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if (DECL_NAME (decl) == name)
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if (DECL_NAME (decl) == name)
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{
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{
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if (lookup_attribute ("aligned", DECL_ATTRIBUTES (decl))
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if (lookup_attribute ("aligned", DECL_ATTRIBUTES (decl))
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|| lookup_attribute ("aligned", *attributes))
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|| lookup_attribute ("aligned", *attributes))
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warning (0, "ignoring %<#pragma align%> for explicitly "
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warning (0, "ignoring %<#pragma align%> for explicitly "
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"aligned %q+D", decl);
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"aligned %q+D", decl);
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else
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else
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*attributes = tree_cons (get_identifier ("aligned"), value,
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*attributes = tree_cons (get_identifier ("aligned"), value,
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*attributes);
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*attributes);
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next = TREE_CHAIN (*x);
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next = TREE_CHAIN (*x);
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ggc_free (*x);
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ggc_free (*x);
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*x = next;
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*x = next;
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break;
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break;
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}
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}
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}
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}
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if (solaris_pending_inits != NULL && TREE_CODE (decl) == FUNCTION_DECL)
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if (solaris_pending_inits != NULL && TREE_CODE (decl) == FUNCTION_DECL)
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for (x = &solaris_pending_inits; *x; x = &TREE_CHAIN (*x))
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for (x = &solaris_pending_inits; *x; x = &TREE_CHAIN (*x))
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{
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{
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tree name = TREE_PURPOSE (*x);
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tree name = TREE_PURPOSE (*x);
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if (DECL_NAME (decl) == name)
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if (DECL_NAME (decl) == name)
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{
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{
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*attributes = tree_cons (get_identifier ("init"), NULL,
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*attributes = tree_cons (get_identifier ("init"), NULL,
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*attributes);
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*attributes);
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TREE_USED (decl) = 1;
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TREE_USED (decl) = 1;
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DECL_PRESERVE_P (decl) = 1;
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DECL_PRESERVE_P (decl) = 1;
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next = TREE_CHAIN (*x);
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next = TREE_CHAIN (*x);
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ggc_free (*x);
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ggc_free (*x);
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*x = next;
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*x = next;
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break;
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break;
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}
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}
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}
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}
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if (solaris_pending_finis != NULL && TREE_CODE (decl) == FUNCTION_DECL)
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if (solaris_pending_finis != NULL && TREE_CODE (decl) == FUNCTION_DECL)
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for (x = &solaris_pending_finis; *x; x = &TREE_CHAIN (*x))
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for (x = &solaris_pending_finis; *x; x = &TREE_CHAIN (*x))
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{
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{
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tree name = TREE_PURPOSE (*x);
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tree name = TREE_PURPOSE (*x);
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if (DECL_NAME (decl) == name)
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if (DECL_NAME (decl) == name)
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{
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{
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*attributes = tree_cons (get_identifier ("fini"), NULL,
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*attributes = tree_cons (get_identifier ("fini"), NULL,
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*attributes);
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*attributes);
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TREE_USED (decl) = 1;
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TREE_USED (decl) = 1;
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DECL_PRESERVE_P (decl) = 1;
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DECL_PRESERVE_P (decl) = 1;
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next = TREE_CHAIN (*x);
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next = TREE_CHAIN (*x);
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ggc_free (*x);
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ggc_free (*x);
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*x = next;
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*x = next;
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break;
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break;
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}
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}
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}
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}
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}
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}
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/* Output initializer or finalizer entries for DECL to FILE. */
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/* Output initializer or finalizer entries for DECL to FILE. */
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void
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void
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solaris_output_init_fini (FILE *file, tree decl)
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solaris_output_init_fini (FILE *file, tree decl)
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{
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{
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if (lookup_attribute ("init", DECL_ATTRIBUTES (decl)))
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if (lookup_attribute ("init", DECL_ATTRIBUTES (decl)))
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{
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{
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fprintf (file, PUSHSECTION_FORMAT, ".init");
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fprintf (file, PUSHSECTION_FORMAT, ".init");
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ASM_OUTPUT_CALL (file, decl);
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ASM_OUTPUT_CALL (file, decl);
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fprintf (file, "\t.popsection\n");
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fprintf (file, "\t.popsection\n");
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}
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}
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if (lookup_attribute ("fini", DECL_ATTRIBUTES (decl)))
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if (lookup_attribute ("fini", DECL_ATTRIBUTES (decl)))
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{
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{
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fprintf (file, PUSHSECTION_FORMAT, ".fini");
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fprintf (file, PUSHSECTION_FORMAT, ".fini");
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ASM_OUTPUT_CALL (file, decl);
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ASM_OUTPUT_CALL (file, decl);
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fprintf (file, "\t.popsection\n");
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fprintf (file, "\t.popsection\n");
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}
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}
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}
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}
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/* Emit an assembler directive to set symbol for DECL visibility to
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/* Emit an assembler directive to set symbol for DECL visibility to
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the visibility type VIS, which must not be VISIBILITY_DEFAULT. */
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the visibility type VIS, which must not be VISIBILITY_DEFAULT. */
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void
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void
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solaris_assemble_visibility (tree decl ATTRIBUTE_UNUSED,
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solaris_assemble_visibility (tree decl ATTRIBUTE_UNUSED,
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int vis ATTRIBUTE_UNUSED)
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int vis ATTRIBUTE_UNUSED)
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{
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{
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#ifdef HAVE_GAS_HIDDEN
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#ifdef HAVE_GAS_HIDDEN
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/* Sun as uses .symbolic for STV_PROTECTED. STV_INTERNAL is marked as
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/* Sun as uses .symbolic for STV_PROTECTED. STV_INTERNAL is marked as
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`currently reserved', but the linker treats it like STV_HIDDEN. Sun
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`currently reserved', but the linker treats it like STV_HIDDEN. Sun
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Studio 12.1 cc emits .hidden instead.
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Studio 12.1 cc emits .hidden instead.
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There are 3 Sun extensions GCC doesn't yet know about: STV_EXPORTED,
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There are 3 Sun extensions GCC doesn't yet know about: STV_EXPORTED,
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STV_SINGLETON, and STV_ELIMINATE.
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STV_SINGLETON, and STV_ELIMINATE.
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See Linker and Libraries Guide, Ch. 2, Link-Editor, Defining
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See Linker and Libraries Guide, Ch. 2, Link-Editor, Defining
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Additional Symbols with a mapfile,
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Additional Symbols with a mapfile,
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http://docs.sun.com/app/docs/doc/819-0690/gdzmc?a=view
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http://docs.sun.com/app/docs/doc/819-0690/gdzmc?a=view
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and Ch. 7, Object-File Format, Symbol Table Section,
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and Ch. 7, Object-File Format, Symbol Table Section,
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http://docs.sun.com/app/docs/doc/819-0690/chapter6-79797?a=view */
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http://docs.sun.com/app/docs/doc/819-0690/chapter6-79797?a=view */
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static const char * const visibility_types[] = {
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static const char * const visibility_types[] = {
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NULL, "symbolic", "hidden", "hidden"
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NULL, "symbolic", "hidden", "hidden"
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};
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};
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const char *name, *type;
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const char *name, *type;
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name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
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name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
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type = visibility_types[vis];
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type = visibility_types[vis];
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fprintf (asm_out_file, "\t.%s\t", type);
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fprintf (asm_out_file, "\t.%s\t", type);
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assemble_name (asm_out_file, name);
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assemble_name (asm_out_file, name);
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fprintf (asm_out_file, "\n");
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fprintf (asm_out_file, "\n");
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#else
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#else
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warning (OPT_Wattributes, "visibility attribute not supported "
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warning (OPT_Wattributes, "visibility attribute not supported "
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"in this configuration; ignored");
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"in this configuration; ignored");
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#endif
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#endif
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}
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}
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