/* General-purpose hooks.
- Copyright (C) 2002 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
#include "config.h"
#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
#include "hooks.h"
+/* Generic hook that does absolutely zappo. */
+void
+hook_void_void (void)
+{
+}
+
/* Generic hook that takes no arguments and returns false. */
bool
-hook_void_bool_false ()
+hook_bool_void_false (void)
+{
+ return false;
+}
+
+/* Generic hook that takes no arguments and returns true. */
+bool
+hook_bool_void_true (void)
+{
+ return true;
+}
+
+/* Generic hook that takes no arguments and returns NO_REGS. */
+int
+hook_int_void_no_regs (void)
+{
+ return NO_REGS;
+}
+
+/* Generic hook that takes (bool) and returns false. */
+bool
+hook_bool_bool_false (bool a ATTRIBUTE_UNUSED)
+{
+ return false;
+}
+
+/* Generic hook that takes (enum machine_mode) and returns false. */
+bool
+hook_bool_mode_false (enum machine_mode mode ATTRIBUTE_UNUSED)
+{
+ return false;
+}
+
+/* Generic hook that takes (enum machine_mode, rtx) and returns false. */
+bool
+hook_bool_mode_rtx_false (enum machine_mode mode ATTRIBUTE_UNUSED,
+ rtx value ATTRIBUTE_UNUSED)
+{
+ return false;
+}
+
+/* Generic hook that takes (enum machine_mode, rtx) and returns true. */
+bool
+hook_bool_mode_rtx_true (enum machine_mode mode ATTRIBUTE_UNUSED,
+ rtx value ATTRIBUTE_UNUSED)
+{
+ return true;
+}
+
+/* Generic hook that takes (FILE *, const char *) and does nothing. */
+void
+hook_void_FILEptr_constcharptr (FILE *a ATTRIBUTE_UNUSED, const char *b ATTRIBUTE_UNUSED)
+{
+}
+
+/* Used for the TARGET_ASM_CAN_OUTPUT_MI_THUNK hook. */
+bool
+hook_bool_tree_hwi_hwi_tree_false (tree a ATTRIBUTE_UNUSED,
+ HOST_WIDE_INT b ATTRIBUTE_UNUSED,
+ HOST_WIDE_INT c ATTRIBUTE_UNUSED,
+ tree d ATTRIBUTE_UNUSED)
+{
+ return false;
+}
+
+bool
+hook_bool_tree_hwi_hwi_tree_true (tree a ATTRIBUTE_UNUSED,
+ HOST_WIDE_INT b ATTRIBUTE_UNUSED,
+ HOST_WIDE_INT c ATTRIBUTE_UNUSED,
+ tree d ATTRIBUTE_UNUSED)
+{
+ return true;
+}
+
+bool
+hook_bool_constcharptr_size_t_false (const char *a ATTRIBUTE_UNUSED,
+ size_t b ATTRIBUTE_UNUSED)
+{
+ return false;
+}
+
+bool
+hook_bool_size_t_constcharptr_int_true (size_t a ATTRIBUTE_UNUSED,
+ const char *b ATTRIBUTE_UNUSED,
+ int c ATTRIBUTE_UNUSED)
+{
+ return true;
+}
+
+bool
+default_can_output_mi_thunk_no_vcall (tree a ATTRIBUTE_UNUSED,
+ HOST_WIDE_INT b ATTRIBUTE_UNUSED,
+ HOST_WIDE_INT c,
+ tree d ATTRIBUTE_UNUSED)
+{
+ return c == 0;
+}
+
+int
+hook_int_tree_0 (tree a ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+/* ??? Used for comp_type_attributes, which ought to return bool. */
+int
+hook_int_tree_tree_1 (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED)
+{
+ return 1;
+}
+
+int
+hook_int_rtx_0 (rtx a ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+int
+hook_int_size_t_constcharptr_int_0 (size_t a ATTRIBUTE_UNUSED,
+ const char *b ATTRIBUTE_UNUSED,
+ int c ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+unsigned int
+hook_uint_uint_constcharptrptr_0 (unsigned int a ATTRIBUTE_UNUSED,
+ const char **b ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+void
+hook_void_tree (tree a ATTRIBUTE_UNUSED)
+{
+}
+
+void
+hook_void_constcharptr (const char *a ATTRIBUTE_UNUSED)
+{
+}
+
+void
+hook_void_tree_treeptr (tree a ATTRIBUTE_UNUSED, tree *b ATTRIBUTE_UNUSED)
+{
+}
+
+bool
+hook_bool_tree_false (tree a ATTRIBUTE_UNUSED)
+{
+ return false;
+}
+
+bool
+hook_bool_tree_true (tree a ATTRIBUTE_UNUSED)
+{
+ return true;
+}
+
+bool
+hook_bool_tree_tree_false (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED)
+{
+ return false;
+}
+
+bool
+hook_bool_tree_bool_false (tree a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED)
+{
+ return false;
+}
+
+bool
+hook_bool_rtx_false (rtx a ATTRIBUTE_UNUSED)
+{
+ return false;
+}
+
+bool
+hook_bool_uintp_uintp_false (unsigned int *a ATTRIBUTE_UNUSED,
+ unsigned int *b ATTRIBUTE_UNUSED)
{
return false;
}
-/* Generic hook that takes (tree) and returns false. */
bool
-hook_tree_bool_false (a)
- tree a ATTRIBUTE_UNUSED;
+hook_bool_rtx_int_int_intp_false (rtx a ATTRIBUTE_UNUSED,
+ int b ATTRIBUTE_UNUSED,
+ int c ATTRIBUTE_UNUSED,
+ int *d ATTRIBUTE_UNUSED)
{
return false;
}
+
+/* Generic hook that takes an rtx and returns it. */
+rtx
+hook_rtx_rtx_identity (rtx x)
+{
+ return x;
+}
+
+/* Generic hook that takes an rtx and returns NULL_RTX. */
+rtx
+hook_rtx_rtx_null (rtx x ATTRIBUTE_UNUSED)
+{
+ return NULL;
+}
+
+/* Generic hook that takes a tree and an int and returns NULL_RTX. */
+rtx
+hook_rtx_tree_int_null (tree a ATTRIBUTE_UNUSED, int b ATTRIBUTE_UNUSED)
+{
+ return NULL;
+}
+
+/* Generic hook that takes three trees and returns the last one as is. */
+tree
+hook_tree_tree_tree_tree_3rd_identity (tree a ATTRIBUTE_UNUSED,
+ tree b ATTRIBUTE_UNUSED, tree c)
+{
+ return c;
+}
+
+/* Generic hook that takes a tree and returns a NULL string. */
+const char *
+hook_constcharptr_tree_null (tree t ATTRIBUTE_UNUSED)
+{
+ return NULL;
+}
+
+tree
+hook_tree_tree_tree_bool_null (tree t0 ATTRIBUTE_UNUSED, tree t1 ATTRIBUTE_UNUSED,
+ bool ignore ATTRIBUTE_UNUSED)
+{
+ return NULL;
+}
+
+tree
+hook_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED, tree t1 ATTRIBUTE_UNUSED)
+{
+ return NULL;
+}
+
+/* Generic hook that takes a rtx and returns a NULL string. */
+const char *
+hook_constcharptr_rtx_null (rtx r ATTRIBUTE_UNUSED)
+{
+ return NULL;
+}
+
+const char *
+hook_constcharptr_tree_tree_null (tree t0 ATTRIBUTE_UNUSED,
+ tree t1 ATTRIBUTE_UNUSED)
+{
+ return NULL;
+}
+
+const char *
+hook_constcharptr_int_tree_null (int i ATTRIBUTE_UNUSED,
+ tree t0 ATTRIBUTE_UNUSED)
+{
+ return NULL;
+}
+
+const char *
+hook_constcharptr_int_tree_tree_null (int i ATTRIBUTE_UNUSED,
+ tree t0 ATTRIBUTE_UNUSED,
+ tree t1 ATTRIBUTE_UNUSED)
+{
+ return NULL;
+}