gcc/tree-chkp.h

   1 /* Declaration of interface functions of Pointer Bounds Checker.
   2    Copyright (C) 2014-2017 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 3, or (at your option) any later
   9 version.
  10
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef GCC_TREE_CHKP_H
  21 #define GCC_TREE_CHKP_H
  22
  23 #define DECL_BOUNDS(NODE) (chkp_get_bounds (DECL_WRTL_CHECK (NODE)))
  24
  25 #define SET_DECL_BOUNDS(NODE, VAL) \
  26   (chkp_set_bounds (DECL_WRTL_CHECK (NODE), VAL))
  27
  28 extern tree chkp_get_bounds (tree node);
  29 extern void chkp_set_bounds (tree node, tree val);
  30 extern bool chkp_register_var_initializer (tree var);
  31 extern void chkp_finish_file (void);
  32 extern bool chkp_type_has_pointer (const_tree type);
  33 extern unsigned chkp_type_bounds_count (const_tree type);
  34 extern tree chkp_make_bounds_for_struct_addr (tree ptr);
  35 extern tree chkp_get_zero_bounds_var (void);
  36 extern tree chkp_get_none_bounds_var (void);
  37 extern void chkp_check_mem_access (tree first, tree last, tree bounds,
  38                                    gimple_stmt_iterator iter,
  39                                    location_t location,
  40                                    tree dirflag);
  41 extern void chkp_fix_cfg (void);
  42 extern bool chkp_variable_size_type (tree type);
  43 extern tree chkp_build_make_bounds_call (tree lb, tree size);
  44 extern tree chkp_build_bndldx_call (tree addr, tree ptr);
  45 extern tree chkp_build_bndstx_call (tree addr, tree ptr, tree bounds);
  46 extern void chkp_find_bound_slots (const_tree type, bitmap res);
  47 extern void chkp_build_bndstx (tree addr, tree ptr, tree bounds,
  48                                gimple_stmt_iterator *gsi);
  49 extern gcall *chkp_retbnd_call_by_val (tree val);
  50 extern bool chkp_function_instrumented_p (tree fndecl);
  51 extern void chkp_function_mark_instrumented (tree fndecl);
  52 extern void chkp_copy_bounds_for_assign (gimple *assign,
  53                                          struct cgraph_edge *edge);
  54 extern bool chkp_gimple_call_builtin_p (gimple *call,
  55                                         enum built_in_function code);
  56 extern rtx chkp_expand_zero_bounds (void);
  57 extern void chkp_expand_bounds_reset_for_mem (tree mem, tree ptr);
  58 extern tree chkp_insert_retbnd_call (tree bndval, tree retval,
  59                                      gimple_stmt_iterator *gsi);
  60 extern gcall *chkp_copy_call_skip_bounds (gcall *call);
  61 extern bool chkp_redirect_edge (cgraph_edge *e);
  62 extern void chkp_fixup_inlined_call (tree lhs, tree rhs);
  63
  64 #endif /* GCC_TREE_CHKP_H */