NetBSD/gnu/dist/gcc4/gcc/config/sol2.c

121 lines
3.5 KiB
C

/* General Solaris system support.
Copyright (C) 2004, 2005 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 2, 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 COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#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");
}
}