X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=gcc%2Fhooks.c;h=289275e84415d156fcb6619bff1c0eb0be525d88;hp=1ceeef6e7370f9ef42e208936837fbf66767cad9;hb=a9f1838b25e8f79987473955debea2146537d881;hpb=7811991d015679f79068872ce32cab8b31907713 diff --git a/gcc/hooks.c b/gcc/hooks.c index 1ceeef6e737..289275e8441 100644 --- a/gcc/hooks.c +++ b/gcc/hooks.c @@ -1,50 +1,321 @@ /* General-purpose hooks. - Copyright (C) 2002 Free Software Foundation, Inc. + Copyright (C) 2002, 2003, 2004, 2005, 2007 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 -Free Software Foundation; either version 2, or (at your option) any -later version. + 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 + Free Software Foundation; either version 3, or (at your option) any + later version. -This program 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. + This program 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 this program; if not, write to the Free Software -Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING3. If not see + . - 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 - what you give them. Help stamp out software-hoarding! */ + 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 + what you give them. Help stamp out software-hoarding! */ /* This file contains generic hooks that can be used as defaults for target or language-dependent hook initializers. */ #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 (tree) and returns false. */ +/* Generic hook that takes (enum machine_mode, rtx) and returns false. */ bool -hook_tree_bool_false (a) - tree a ATTRIBUTE_UNUSED; +hook_bool_mode_const_rtx_false (enum machine_mode mode ATTRIBUTE_UNUSED, + const_rtx value ATTRIBUTE_UNUSED) { return false; } -/* Generic hook that takes (tree, int) and does nothing. */ +/* Generic hook that takes (enum machine_mode, rtx) and returns true. */ +bool +hook_bool_mode_const_rtx_true (enum machine_mode mode ATTRIBUTE_UNUSED, + const_rtx value ATTRIBUTE_UNUSED) +{ + return true; +} + +/* Generic hook that takes (FILE *, const char *) and does nothing. */ void -hook_tree_int_void (a, b) - tree a ATTRIBUTE_UNUSED; - int b ATTRIBUTE_UNUSED; +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_const_tree_hwi_hwi_const_tree_false (const_tree a ATTRIBUTE_UNUSED, + HOST_WIDE_INT b ATTRIBUTE_UNUSED, + HOST_WIDE_INT c ATTRIBUTE_UNUSED, + const_tree d ATTRIBUTE_UNUSED) +{ + return false; +} + +bool +hook_bool_const_tree_hwi_hwi_const_tree_true (const_tree a ATTRIBUTE_UNUSED, + HOST_WIDE_INT b ATTRIBUTE_UNUSED, + HOST_WIDE_INT c ATTRIBUTE_UNUSED, + const_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 (const_tree a ATTRIBUTE_UNUSED, + HOST_WIDE_INT b ATTRIBUTE_UNUSED, + HOST_WIDE_INT c, + const_tree d ATTRIBUTE_UNUSED) +{ + return c == 0; +} + +int +hook_int_const_tree_0 (const_tree a ATTRIBUTE_UNUSED) +{ + return 0; +} + +/* ??? Used for comp_type_attributes, which ought to return bool. */ +int +hook_int_const_tree_const_tree_1 (const_tree a ATTRIBUTE_UNUSED, const_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_const_tree_false (const_tree a ATTRIBUTE_UNUSED) +{ + return false; +} + +bool +hook_bool_tree_true (tree a ATTRIBUTE_UNUSED) +{ + return true; +} + +bool +hook_bool_const_tree_true (const_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; +} + +bool +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_const_tree_null (const_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_const_rtx_null (const_rtx r ATTRIBUTE_UNUSED) +{ + return NULL; +} + +const char * +hook_constcharptr_const_tree_const_tree_null (const_tree t0 ATTRIBUTE_UNUSED, + const_tree t1 ATTRIBUTE_UNUSED) +{ + return NULL; +} + +const char * +hook_constcharptr_int_const_tree_null (int i ATTRIBUTE_UNUSED, + const_tree t0 ATTRIBUTE_UNUSED) +{ + return NULL; +} + +const char * +hook_constcharptr_int_const_tree_const_tree_null (int i ATTRIBUTE_UNUSED, + const_tree t0 ATTRIBUTE_UNUSED, + const_tree t1 ATTRIBUTE_UNUSED) { + return NULL; }