1 /* General-purpose hooks.
2 Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
3 Free Software Foundation, Inc.
5 This program is free software; you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published by the
7 Free Software Foundation; either version 3, or (at your option) any
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; see the file COPYING3. If not see
17 <http://www.gnu.org/licenses/>.
19 In other words, you are welcome to use, share and improve this program.
20 You are forbidden to forbid anyone else to use, share and improve
21 what you give them. Help stamp out software-hoarding! */
23 /* This file contains generic hooks that can be used as defaults for
24 target or language-dependent hook initializers. */
28 #include "coretypes.h"
32 /* Generic hook that does absolutely zappo. */
38 /* Generic hook that takes no arguments and returns false. */
40 hook_bool_void_false (void)
45 /* Generic hook that takes no arguments and returns true. */
47 hook_bool_void_true (void)
52 /* Generic hook that takes (bool) and returns false. */
54 hook_bool_bool_false (bool a ATTRIBUTE_UNUSED)
59 /* Generic hook that takes const int, const int) and returns true. */
60 bool hook_bool_const_int_const_int_true (const int a ATTRIBUTE_UNUSED,
61 const int b ATTRIBUTE_UNUSED)
66 /* Generic hook that takes (enum machine_mode) and returns false. */
68 hook_bool_mode_false (enum machine_mode mode ATTRIBUTE_UNUSED)
73 /* Generic hook that takes (enum machine_mode) and returns true. */
75 hook_bool_mode_true (enum machine_mode mode ATTRIBUTE_UNUSED)
80 /* Generic hook that takes (enum machine_mode, rtx) and returns false. */
82 hook_bool_mode_const_rtx_false (enum machine_mode mode ATTRIBUTE_UNUSED,
83 const_rtx value ATTRIBUTE_UNUSED)
88 /* Generic hook that takes (enum machine_mode, rtx) and returns true. */
90 hook_bool_mode_const_rtx_true (enum machine_mode mode ATTRIBUTE_UNUSED,
91 const_rtx value ATTRIBUTE_UNUSED)
96 /* Generic hook that takes (FILE *, const char *) and does nothing. */
98 hook_void_FILEptr_constcharptr (FILE *a ATTRIBUTE_UNUSED, const char *b ATTRIBUTE_UNUSED)
102 /* Used for the TARGET_ASM_CAN_OUTPUT_MI_THUNK hook. */
104 hook_bool_const_tree_hwi_hwi_const_tree_false (const_tree a ATTRIBUTE_UNUSED,
105 HOST_WIDE_INT b ATTRIBUTE_UNUSED,
106 HOST_WIDE_INT c ATTRIBUTE_UNUSED,
107 const_tree d ATTRIBUTE_UNUSED)
113 hook_bool_const_tree_hwi_hwi_const_tree_true (const_tree a ATTRIBUTE_UNUSED,
114 HOST_WIDE_INT b ATTRIBUTE_UNUSED,
115 HOST_WIDE_INT c ATTRIBUTE_UNUSED,
116 const_tree d ATTRIBUTE_UNUSED)
122 hook_bool_constcharptr_size_t_false (const char *a ATTRIBUTE_UNUSED,
123 size_t b ATTRIBUTE_UNUSED)
129 hook_bool_size_t_constcharptr_int_true (size_t a ATTRIBUTE_UNUSED,
130 const char *b ATTRIBUTE_UNUSED,
131 int c ATTRIBUTE_UNUSED)
137 default_can_output_mi_thunk_no_vcall (const_tree a ATTRIBUTE_UNUSED,
138 HOST_WIDE_INT b ATTRIBUTE_UNUSED,
140 const_tree d ATTRIBUTE_UNUSED)
146 hook_int_const_tree_0 (const_tree a ATTRIBUTE_UNUSED)
151 /* ??? Used for comp_type_attributes, which ought to return bool. */
153 hook_int_const_tree_const_tree_1 (const_tree a ATTRIBUTE_UNUSED, const_tree b ATTRIBUTE_UNUSED)
159 hook_int_rtx_0 (rtx a ATTRIBUTE_UNUSED)
165 hook_int_rtx_bool_0 (rtx a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED)
171 hook_int_size_t_constcharptr_int_0 (size_t a ATTRIBUTE_UNUSED,
172 const char *b ATTRIBUTE_UNUSED,
173 int c ATTRIBUTE_UNUSED)
179 hook_uint_void_0 (void)
185 hook_void_tree (tree a ATTRIBUTE_UNUSED)
190 hook_void_constcharptr (const char *a ATTRIBUTE_UNUSED)
195 hook_void_tree_treeptr (tree a ATTRIBUTE_UNUSED, tree *b ATTRIBUTE_UNUSED)
200 hook_bool_tree_false (tree a ATTRIBUTE_UNUSED)
206 hook_bool_const_tree_false (const_tree a ATTRIBUTE_UNUSED)
212 hook_bool_tree_true (tree a ATTRIBUTE_UNUSED)
218 hook_bool_const_tree_true (const_tree a ATTRIBUTE_UNUSED)
224 hook_bool_tree_tree_false (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED)
230 hook_bool_tree_tree_true (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED)
236 hook_bool_tree_bool_false (tree a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED)
242 hook_bool_rtx_false (rtx a ATTRIBUTE_UNUSED)
248 hook_bool_uintp_uintp_false (unsigned int *a ATTRIBUTE_UNUSED,
249 unsigned int *b ATTRIBUTE_UNUSED)
255 hook_bool_rtx_int_int_intp_bool_false (rtx a ATTRIBUTE_UNUSED,
256 int b ATTRIBUTE_UNUSED,
257 int c ATTRIBUTE_UNUSED,
258 int *d ATTRIBUTE_UNUSED,
259 bool speed_p ATTRIBUTE_UNUSED)
264 /* Generic hook that takes an rtx and returns it. */
266 hook_rtx_rtx_identity (rtx x)
271 /* Generic hook that takes an rtx and returns NULL_RTX. */
273 hook_rtx_rtx_null (rtx x ATTRIBUTE_UNUSED)
278 /* Generic hook that takes a tree and an int and returns NULL_RTX. */
280 hook_rtx_tree_int_null (tree a ATTRIBUTE_UNUSED, int b ATTRIBUTE_UNUSED)
285 /* Generic hook that takes three trees and returns the last one as is. */
287 hook_tree_tree_tree_tree_3rd_identity (tree a ATTRIBUTE_UNUSED,
288 tree b ATTRIBUTE_UNUSED, tree c)
293 /* Generic hook that takes a tree and returns a NULL string. */
295 hook_constcharptr_const_tree_null (const_tree t ATTRIBUTE_UNUSED)
301 hook_tree_tree_int_treep_bool_null (tree t0 ATTRIBUTE_UNUSED,
302 int i ATTRIBUTE_UNUSED,
303 tree *p ATTRIBUTE_UNUSED,
304 bool ignore ATTRIBUTE_UNUSED)
310 hook_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED, tree t1 ATTRIBUTE_UNUSED)
316 hook_tree_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED,
317 tree t1 ATTRIBUTE_UNUSED,
318 tree t2 ATTRIBUTE_UNUSED)
323 /* Generic hook that takes a rtx and returns a NULL string. */
325 hook_constcharptr_const_rtx_null (const_rtx r ATTRIBUTE_UNUSED)
331 hook_constcharptr_const_tree_const_tree_null (const_tree t0 ATTRIBUTE_UNUSED,
332 const_tree t1 ATTRIBUTE_UNUSED)
338 hook_constcharptr_int_const_tree_null (int i ATTRIBUTE_UNUSED,
339 const_tree t0 ATTRIBUTE_UNUSED)
345 hook_constcharptr_int_const_tree_const_tree_null (int i ATTRIBUTE_UNUSED,
346 const_tree t0 ATTRIBUTE_UNUSED,
347 const_tree t1 ATTRIBUTE_UNUSED)
352 /* Generic hook that takes a const_tree and returns NULL_TREE. */
354 hook_tree_const_tree_null (const_tree t ATTRIBUTE_UNUSED)