Add gcc-4.6. Synced to @180989

Change-Id: Ie3676586e1d8e3c8cd9f07d022f450d05fa08439
svn://gcc.gnu.org/svn/gcc/branches/google/gcc-4_6-mobile

1 files changed, 86 insertions, 0 deletions

diff --git a/gcc-4.6/gcc/coverage.h b/gcc-4.6/gcc/coverage.h
new file mode 100644
index 000000000..f49e1545a
--- /dev/null
+++ b/gcc-4.6/gcc/coverage.h
@@ -0,0 +1,86 @@
+/* coverage.h - Defines data exported from coverage.c
+   Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2007, 2008
+   Free Software Foundation, Inc.
+
+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/>.  */
+
+#ifndef GCC_COVERAGE_H
+#define GCC_COVERAGE_H
+
+#include "gcov-io.h"
+
+extern void coverage_init (const char *, const char*);
+extern void coverage_finish (void);
+
+/* Complete the coverage information for the current function. Once
+   per function.  */
+extern void coverage_end_function (unsigned, unsigned);
+
+/* Start outputting coverage information for the current
+   function. Repeatable per function.  */
+extern int coverage_begin_output (unsigned, unsigned);
+
+/* Compute the control flow checksum for the current function.  */
+extern unsigned coverage_compute_cfg_checksum (void);
+
+/* Compute the line number checksum for the current function.  */
+extern unsigned coverage_compute_lineno_checksum (void);
+
+/* Allocate some counters. Repeatable per function.  */
+extern int coverage_counter_alloc (unsigned /*counter*/, unsigned/*num*/);
+/* Use a counter from the most recent allocation.  */
+extern tree tree_coverage_counter_ref (unsigned /*counter*/, unsigned/*num*/);
+/* Use a counter address from the most recent allocation.  */
+extern tree tree_coverage_counter_addr (unsigned /*counter*/, unsigned/*num*/);
+
+/* Get all the counters for the current function.  */
+extern gcov_type *get_coverage_counts (unsigned /*counter*/,
+				       unsigned /*expected*/,
+				       unsigned /*cfg_checksum*/,
+				       unsigned /*lineno_checksum*/,
+				       const struct gcov_ctr_summary **);
+/* Get all the counters for the current function without warning.  */
+extern gcov_type *get_coverage_counts_no_warn (struct function *, 
+                                               unsigned /*counter*/, unsigned *);
+
+extern struct cgraph_node * find_func_by_global_id (unsigned HOST_WIDE_INT gid);
+
+/* All the coverage counters are supposed to be allocated by the time
+   coverage_end_function is called. However, direct-call counters are
+   allocated after coverage_end_function has been called. This function
+   fixes up the various internal structures to reflect these counter
+   allocations. This function is called after coverage_end_function and
+   before coverage_finish.  */
+extern void coverage_dc_end_function (void);
+
+/* True if a function entry corresponding to the given function identifier
+   is present in the coverage internal data structures.  */
+extern bool coverage_function_present (unsigned fn_ident);
+
+extern tree get_gcov_type (void);
+extern tree get_gcov_unsigned_t (void);
+
+/* Mark this module as containing asm statements.  */
+extern void coverage_has_asm_stmt (void);
+
+/* Check if the specified options are valid for pmu profilig.  */
+extern int check_pmu_profile_options (const char *options);
+
+/* Defined in tree-profile.c.  */
+extern void tree_init_instrumentation_sampling (void);
+
+#endif