Mercurial > hg > CbC > CbC_gcc
diff gcc/tree-nomudflap.c @ 0:a06113de4d67
first commit
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
parents | |
children | 77e2b8dfacca |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/tree-nomudflap.c Fri Jul 17 14:47:48 2009 +0900 @@ -0,0 +1,138 @@ +/* Mudflap: narrow-pointer bounds-checking by tree rewriting. + Copyright (C) 2001, 2002, 2003, 2007, 2008 Free Software Foundation, Inc. + Contributed by Frank Ch. Eigler <fche@redhat.com> + +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 3, 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 COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + + +#include "config.h" +#include "system.h" +#include "coretypes.h" +#include "tm.h" +#include "tree.h" +#include "tree-inline.h" +#include "c-tree.h" +#include "c-common.h" +#include "gimple.h" +#include "diagnostic.h" +#include "hashtab.h" +#include "output.h" +#include "varray.h" +#include "langhooks.h" +#include "tree-mudflap.h" +#include "tree-pass.h" +#include "ggc.h" +#include "toplev.h" + + + +/* This file contains placeholder functions, to be used only for + language processors that cannot handle tree-mudflap.c directly. + (e.g. Fortran). */ + +static void +nogo (void) +{ + internal_error ("mudflap: this language is not supported"); +} + +void +mudflap_enqueue_decl (tree obj ATTRIBUTE_UNUSED) +{ + nogo (); +} + +void +mudflap_enqueue_constant (tree obj ATTRIBUTE_UNUSED) +{ + nogo (); +} + +void +mudflap_finish_file (void) +{ + nogo (); +} + +int +mf_marked_p (tree t ATTRIBUTE_UNUSED) +{ + nogo (); + return 0; +} + +tree +mf_mark (tree t ATTRIBUTE_UNUSED) +{ + nogo (); + return NULL; +} + +/* The pass structures must exist, but need not do anything. */ + +static bool +gate_mudflap (void) +{ + return flag_mudflap != 0; +} + +struct gimple_opt_pass pass_mudflap_1 = +{ + { + GIMPLE_PASS, + "mudflap1", /* name */ + gate_mudflap, /* gate */ + NULL, /* execute */ + NULL, /* sub */ + NULL, /* next */ + 0, /* static_pass_number */ + 0, /* tv_id */ + 0, /* properties_required */ + 0, /* properties_provided */ + 0, /* properties_destroyed */ + 0, /* todo_flags_start */ + 0 /* todo_flags_finish */ + } +}; + +struct gimple_opt_pass pass_mudflap_2 = +{ + { + GIMPLE_PASS, + "mudflap2", /* name */ + gate_mudflap, /* gate */ + NULL, /* execute */ + NULL, /* sub */ + NULL, /* next */ + 0, /* static_pass_number */ + 0, /* tv_id */ + 0, /* properties_required */ + 0, /* properties_provided */ + 0, /* properties_destroyed */ + 0, /* todo_flags_start */ + 0 /* todo_flags_finish */ + } +}; + +/* Instead of: +#include "gt-tree-mudflap.h" +We prepare a little dummy struct here. +*/ + +const struct ggc_root_tab gt_ggc_r_gt_tree_mudflap_h[] = { + LAST_GGC_ROOT_TAB +};