re PR go/87661 (libgo bootstrap failure on arm-linux-gnueabihf (redefinition of const...

[gcc.git] / libgcc / libgcov.h

diff --git a/libgcc/libgcov.h b/libgcc/libgcov.h
index 98a15d134a7adcaa2c0da09e7c4dd4ba474fd9b5..ee05a68d2b2705d2d92524227bee2ced63cc81bb 100644 (file)
--- a/libgcc/libgcov.h
+++ b/libgcc/libgcov.h
@@ -1,5 +1,5 @@
 /* Header file for libgcov-*.c.
-   Copyright (C) 1996-2014 Free Software Foundation, Inc.
+   Copyright (C) 1996-2018 Free Software Foundation, Inc.
 
    This file is part of GCC.
 
@@ -38,12 +38,14 @@
 /* This path will be used by libgcov runtime.  */
 
 #include "tconfig.h"
+#include "auto-target.h"
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
 #include "libgcc_tm.h"
+#include "gcov.h"
 
-#if BITS_PER_UNIT == 8
+#if __CHAR_BIT__ == 8
 typedef unsigned gcov_unsigned_t __attribute__ ((mode (SI)));
 typedef unsigned gcov_position_t __attribute__ ((mode (SI)));
 #if LONG_LONG_TYPE_SIZE > 32
@@ -54,7 +56,7 @@ typedef signed gcov_type __attribute__ ((mode (SI)));
 typedef unsigned gcov_type_unsigned __attribute__ ((mode (SI)));
 #endif
 #else
-#if BITS_PER_UNIT == 16
+#if __CHAR_BIT__ == 16
 typedef unsigned gcov_unsigned_t __attribute__ ((mode (HI)));
 typedef unsigned gcov_position_t __attribute__ ((mode (HI)));
 #if LONG_LONG_TYPE_SIZE > 32
@@ -100,6 +102,7 @@ typedef unsigned gcov_type_unsigned __attribute__ ((mode (QI)));
 #define gcov_read_unsigned __gcov_read_unsigned
 #define gcov_read_counter __gcov_read_counter
 #define gcov_read_summary __gcov_read_summary
+#define gcov_sort_n_vals __gcov_sort_n_vals
 
 #else /* IN_GCOV_TOOL */
 /* About the host.  */
@@ -125,9 +128,9 @@ typedef unsigned gcov_position_t;
 #define L_gcov 1
 #define L_gcov_merge_add 1
 #define L_gcov_merge_single 1
-#define L_gcov_merge_delta 1
 #define L_gcov_merge_ior 1
 #define L_gcov_merge_time_profile 1
+#define L_gcov_merge_icall_topn 1
 
 extern gcov_type gcov_read_counter_mem ();
 extern unsigned gcov_get_merge_weight ();
@@ -212,26 +215,45 @@ struct gcov_root
   struct gcov_info *list;
   unsigned dumped : 1; /* counts have been dumped.  */
   unsigned run_counted : 1;  /* run has been accounted for.  */
+  struct gcov_root *next;
+  struct gcov_root *prev;
 };
 
 extern struct gcov_root __gcov_root ATTRIBUTE_HIDDEN;
 
+struct gcov_master
+{
+  gcov_unsigned_t version;
+  struct gcov_root *root;
+};
+
+struct indirect_call_tuple
+{
+  /* Callee function.  */
+  void *callee;
+
+  /* Pointer to counters.  */
+  gcov_type *counters;
+};
+  
+/* Exactly one of these will be active in the process.  */
+extern struct gcov_master __gcov_master;
+
 /* Dump a set of gcov objects.  */
 extern void __gcov_dump_one (struct gcov_root *) ATTRIBUTE_HIDDEN;
 
 /* Register a new object file module.  */
 extern void __gcov_init (struct gcov_info *) ATTRIBUTE_HIDDEN;
 
-/* Called before fork, to avoid double counting.  */
-extern void __gcov_flush (void) ATTRIBUTE_HIDDEN;
+/* GCOV exit function registered via a static destructor.  */
+extern void __gcov_exit (void) ATTRIBUTE_HIDDEN;
 
 /* Function to reset all counters to 0.  Both externally visible (and
    overridable) and internal version.  */
-extern void __gcov_reset (void);
 extern void __gcov_reset_int (void) ATTRIBUTE_HIDDEN;
 
-/* Function to enable early write of profile information so far.  */
-extern void __gcov_dump (void);
+/* User function to enable early write of profile information so far.  */
+extern void __gcov_dump_int (void) ATTRIBUTE_HIDDEN;
 
 /* The merge function that just sums the counters.  */
 extern void __gcov_merge_add (gcov_type *, unsigned) ATTRIBUTE_HIDDEN;
@@ -242,23 +264,29 @@ extern void __gcov_merge_time_profile (gcov_type *, unsigned) ATTRIBUTE_HIDDEN;
 /* The merge function to choose the most common value.  */
 extern void __gcov_merge_single (gcov_type *, unsigned) ATTRIBUTE_HIDDEN;
 
-/* The merge function to choose the most common difference between
-   consecutive values.  */
-extern void __gcov_merge_delta (gcov_type *, unsigned) ATTRIBUTE_HIDDEN;
-
 /* The merge function that just ors the counters together.  */
 extern void __gcov_merge_ior (gcov_type *, unsigned) ATTRIBUTE_HIDDEN;
 
+/* The merge function is used for topn indirect call counters.  */
+extern void __gcov_merge_icall_topn (gcov_type *, unsigned) ATTRIBUTE_HIDDEN;
+
 /* The profiler functions.  */
 extern void __gcov_interval_profiler (gcov_type *, gcov_type, int, unsigned);
+extern void __gcov_interval_profiler_atomic (gcov_type *, gcov_type, int,
+                                            unsigned);
 extern void __gcov_pow2_profiler (gcov_type *, gcov_type);
+extern void __gcov_pow2_profiler_atomic (gcov_type *, gcov_type);
 extern void __gcov_one_value_profiler (gcov_type *, gcov_type);
-extern void __gcov_indirect_call_profiler (gcov_type*, gcov_type,
-                                           void*, void*);
+extern void __gcov_one_value_profiler_atomic (gcov_type *, gcov_type);
 extern void __gcov_indirect_call_profiler_v2 (gcov_type, void *);
 extern void __gcov_time_profiler (gcov_type *);
+extern void __gcov_time_profiler_atomic (gcov_type *);
 extern void __gcov_average_profiler (gcov_type *, gcov_type);
+extern void __gcov_average_profiler_atomic (gcov_type *, gcov_type);
 extern void __gcov_ior_profiler (gcov_type *, gcov_type);
+extern void __gcov_ior_profiler_atomic (gcov_type *, gcov_type);
+extern void __gcov_indirect_call_topn_profiler (gcov_type, void *);
+extern void gcov_sort_n_vals (gcov_type *, int);
 
 #ifndef inhibit_libc
 /* The wrappers around some library functions..  */