From 19a30b7123aa90caf7de3e9ec588266e218f8028 Mon Sep 17 00:00:00 2001
From: Aldy Hernandez <aldyh@redhat.com>
Date: Mon, 20 Nov 2017 08:32:57 +0000
Subject: vec.h (debug_helper): New function.

	* vec.h (debug_helper): New function.
	(DEFINE_DEBUG_VEC): New macro.
	* hash-set.h (debug_helper): New function.
	(DEFINE_DEBUG_HASH_SET): New macro.
	* cfg.c (debug_slim (edge)): New function.
	Call DEFINE_DEBUG_VEC for edges.
	Call DEFINE_DEBUG_HASH_SET for edges.
	* cfghooks.c (debug_slim (basic_block)): New function.
	Call DEFINE_DEBUG_VEC for basic blocks.
	Call DEFINE_DEBUG_HASH_SET for basic blocks.
	* print-tree.c (debug_slim): New function to handle trees.
	Call DEFINE_DEBUG_VEC for trees.
	Call DEFINE_DEBUG_HASH_SET for trees.
	(debug (vec<tree, va_gc>) &): Remove.
	(debug (<vec<tree, va_gc>) *): Remove.
	* print-rtl.c (debug_slim): New function to handle const_rtx.
	Call DEFINE_DEBUG_VEC for rtx_def.
	Call DEFINE_DEBUG_VEC for rtx_insn.
	Call DEFINE_DEBUG_HASH_SET for rtx_def.
	Call DEFINE_DEBUG_HASH_SET for rtx_insn.
	* sel-sched-dump.c (debug (vec<rtx_insn *> &): Remove.
	(debug (vec<rtx_insn *> *ptr): Remove.
	(debug_insn_vector): Remove.
	* stor-layout.c (debug_rli): Call debug() instead of debug_vec_tree.

From-SVN: r254945
---
 gcc/hash-set.h | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'gcc/hash-set.h')

diff --git a/gcc/hash-set.h b/gcc/hash-set.h
index 8ce796d..75ca147 100644
--- a/gcc/hash-set.h
+++ b/gcc/hash-set.h
@@ -127,6 +127,44 @@ private:
   hash_table<Traits> m_table;
 };
 
+/* Generic hash_set<TYPE> debug helper.
+
+   This needs to be instantiated for each hash_set<TYPE> used throughout
+   the compiler like this:
+
+    DEFINE_DEBUG_HASH_SET (TYPE)
+
+   The reason we have a debug_helper() is because GDB can't
+   disambiguate a plain call to debug(some_hash), and it must be called
+   like debug<TYPE>(some_hash).  */
+template<typename T>
+void
+debug_helper (hash_set<T> &ref)
+{
+  for (typename hash_set<T>::iterator it = ref.begin ();
+       it != ref.end (); ++it)
+    {
+      debug_slim (*it);
+      fputc ('\n', stderr);
+    }
+}
+
+#define DEFINE_DEBUG_HASH_SET(T) \
+  template static void debug_helper (hash_set<T> &);	\
+  DEBUG_FUNCTION void					\
+  debug (hash_set<T> &ref)				\
+  {							\
+    debug_helper <T> (ref);				\
+  }							\
+  DEBUG_FUNCTION void					\
+  debug (hash_set<T> *ptr)				\
+  {							\
+    if (ptr)						\
+      debug (*ptr);					\
+    else						\
+      fprintf (stderr, "<nil>\n");			\
+  }
+
 /* ggc marking routines.  */
 
 template<typename K, typename H>
-- 
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