1 files changed, 98 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/tree-ssa-structalias.h b/gcc-4.2.1-5666.3/gcc/tree-ssa-structalias.h
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index 000000000..165e5c1b1
--- /dev/null
+++ b/gcc-4.2.1-5666.3/gcc/tree-ssa-structalias.h
@@ -0,0 +1,98 @@
+/* Tree based points-to analysis
+   Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+   Contributed by Daniel Berlin <dberlin@dberlin.org>
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, 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; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef TREE_SSA_STRUCTALIAS_H
+#define TREE_SSA_STRUCTALIAS_H
+
+/* True if the data pointed to by PTR can alias anything.  */
+#define PTR_IS_REF_ALL(PTR) TYPE_REF_CAN_ALIAS_ALL (TREE_TYPE (PTR))
+
+struct constraint;
+typedef struct constraint *constraint_t;
+
+/* Alias information used by compute_may_aliases and its helpers.  */
+struct alias_info
+{
+  /* SSA names visited while collecting points-to information.  If bit I
+     is set, it means that SSA variable with version I has already been
+     visited.  */
+  sbitmap ssa_names_visited;
+
+  /* Array of SSA_NAME pointers processed by the points-to collector.  */
+  VEC(tree,heap) *processed_ptrs;
+
+  /* ADDRESSABLE_VARS contains all the global variables and locals that
+     have had their address taken.  */
+  struct alias_map_d **addressable_vars;
+  size_t num_addressable_vars;
+
+  /* POINTERS contains all the _DECL pointers with unique memory tags
+     that have been referenced in the program.  */
+  struct alias_map_d **pointers;
+  size_t num_pointers;
+
+  /* Number of function calls found in the program.  */
+  size_t num_calls_found;
+
+  /* Number of const/pure function calls found in the program.  */
+  size_t num_pure_const_calls_found;
+
+  /* Total number of virtual operands that will be needed to represent
+     all the aliases of all the pointers found in the program.  */
+  long total_alias_vops;
+
+  /* Variables that have been written to.  */
+  bitmap written_vars;
+
+  /* Pointers that have been used in an indirect store operation.  */
+  bitmap dereferenced_ptrs_store;
+
+  /* Pointers that have been used in an indirect load operation.  */
+  bitmap dereferenced_ptrs_load;
+
+  /* Memory tag for all the PTR_IS_REF_ALL pointers.  */
+  tree ref_all_symbol_mem_tag;
+};
+
+/* Keep track of how many times each pointer has been dereferenced in
+   the program using the aux variable.  This is used by the alias
+   grouping heuristic in compute_flow_insensitive_aliasing.  */
+#define NUM_REFERENCES(ANN) ((size_t)((ANN)->common.aux))
+#define NUM_REFERENCES_CLEAR(ANN) ((ANN)->common.aux) = 0
+#define NUM_REFERENCES_INC(ANN) (ANN)->common.aux = (void*) (((size_t)((ANN)->common.aux)) + 1)
+#define NUM_REFERENCES_SET(ANN, VAL) (ANN)->common.aux = (void*) ((void *)(VAL))
+
+/* In tree-ssa-alias.c.  */
+enum escape_type is_escape_site (tree);
+
+/* In tree-ssa-structalias.c.  */
+extern void compute_points_to_sets (struct alias_info *);
+extern void delete_points_to_sets (void);
+extern void dump_constraint (FILE *, constraint_t);
+extern void dump_constraints (FILE *);
+extern void debug_constraint (constraint_t);
+extern void debug_constraints (void);
+extern void dump_solution_for_var (FILE *, unsigned int);
+extern void debug_solution_for_var (unsigned int);
+extern void dump_sa_points_to_info (FILE *);
+extern void debug_sa_points_to_info (void);
+
+#endif /* TREE_SSA_STRUCTALIAS_H  */