PR middle-end/35616

[pf3gnuchains/gcc-fork.git] / gcc / coverage.c

diff --git a/gcc/coverage.c b/gcc/coverage.c
index aaec5ed..f3a0152 100644 (file)
--- a/gcc/coverage.c
+++ b/gcc/coverage.c
@@ -1,6 +1,6 @@
 /* Read and write coverage files, and associated functionality.
    Copyright (C) 1990, 1991, 1992, 1993, 1994, 1996, 1997, 1998, 1999,
-   2000, 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
+   2000, 2001, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
    Contributed by James E. Wilson, UC Berkeley/Cygnus Support;
    based on some ideas from Dain Samples of UC Berkeley.
    Further mangling by Bob Manson, Cygnus Support.
@@ -10,7 +10,7 @@ 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 2, or (at your option) any later
+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
@@ -19,9 +19,8 @@ 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 COPYING.  If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA.  */
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
 
 
 #define GCOV_LINKAGE
@@ -443,6 +442,23 @@ tree_coverage_counter_ref (unsigned counter, unsigned no)
   return build4 (ARRAY_REF, gcov_type_node, tree_ctr_tables[counter],
                 build_int_cst (NULL_TREE, no), NULL, NULL);
 }
+
+/* Generate a tree to access the address of COUNTER NO.  */
+
+tree
+tree_coverage_counter_addr (unsigned counter, unsigned no)
+{
+  tree gcov_type_node = get_gcov_type ();
+
+  gcc_assert (no < fn_n_ctrs[counter] - fn_b_ctrs[counter]);
+  no += prg_n_ctrs[counter] + fn_b_ctrs[counter];
+
+  /* "no" here is an array index, scaled to bytes later.  */
+  return build_fold_addr_expr (build4 (ARRAY_REF, gcov_type_node,
+                                      tree_ctr_tables[counter],
+                                      build_int_cst (NULL_TREE, no),
+                                      NULL, NULL));
+}
 \f
 /* Generate a checksum for a string.  CHKSUM is the current
    checksum.  */