124 lines
2.8 KiB
C
124 lines
2.8 KiB
C
/* General-purpose hooks.
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Copyright (C) 2002 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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This program 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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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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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along with this program; if not, write to the Free Software
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Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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In other words, you are welcome to use, share and improve this program.
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You are forbidden to forbid anyone else to use, share and improve
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what you give them. Help stamp out software-hoarding! */
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/* This file contains generic hooks that can be used as defaults for
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target or language-dependent hook initializers. */
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#include "config.h"
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#include "system.h"
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#include "hooks.h"
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/* Generic hook that does absolutely zappo. */
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void
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hook_void_void ()
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{
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}
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/* Generic hook that takes no arguments and returns false. */
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bool
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hook_bool_void_false ()
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{
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return false;
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}
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/* Generic hook that takes (tree, int) and does nothing. */
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void
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hook_void_tree_int (a, b)
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tree a ATTRIBUTE_UNUSED;
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int b ATTRIBUTE_UNUSED;
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{
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}
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/* Generic hook that takes (FILE *, const char *) and does nothing. */
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void
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hook_void_FILEptr_constcharptr (a, b)
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FILE *a ATTRIBUTE_UNUSED;
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const char *b ATTRIBUTE_UNUSED;
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{
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}
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/* Used for the TARGET_ASM_CAN_OUTPUT_MI_THUNK hook. */
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bool
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hook_bool_tree_hwi_hwi_tree_false (a, b, c, d)
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tree a ATTRIBUTE_UNUSED;
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HOST_WIDE_INT b ATTRIBUTE_UNUSED;
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HOST_WIDE_INT c ATTRIBUTE_UNUSED;
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tree d ATTRIBUTE_UNUSED;
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{
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return false;
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}
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bool
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hook_bool_tree_hwi_hwi_tree_true (a, b, c, d)
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tree a ATTRIBUTE_UNUSED;
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HOST_WIDE_INT b ATTRIBUTE_UNUSED;
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HOST_WIDE_INT c ATTRIBUTE_UNUSED;
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tree d ATTRIBUTE_UNUSED;
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{
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return true;
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}
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bool
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default_can_output_mi_thunk_no_vcall (a, b, c, d)
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tree a ATTRIBUTE_UNUSED;
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HOST_WIDE_INT b ATTRIBUTE_UNUSED;
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HOST_WIDE_INT c;
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tree d ATTRIBUTE_UNUSED;
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{
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return c == 0;
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}
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/* ??? Used for comp_type_attributes, which ought to return bool. */
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int
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hook_int_tree_tree_1 (a, b)
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tree a ATTRIBUTE_UNUSED;
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tree b ATTRIBUTE_UNUSED;
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{
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return 1;
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}
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void
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hook_void_tree (a)
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tree a ATTRIBUTE_UNUSED;
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{
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}
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void
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hook_void_tree_treeptr (a, b)
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tree a ATTRIBUTE_UNUSED;
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tree *b ATTRIBUTE_UNUSED;
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{
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}
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bool
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hook_bool_tree_false (a)
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tree a ATTRIBUTE_UNUSED;
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{
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return false;
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}
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bool
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hook_bool_rtx_false (a)
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rtx a ATTRIBUTE_UNUSED;
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{
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return false;
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}
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