merge from gcc

4 files changed, 79 insertions, 4 deletions

diff --git a/include/ChangeLog b/include/ChangeLog
index c8af7fb131c..01854a404e6 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,12 @@
+2011-11-07  Richard Henderson  <rth@redhat.com>
+
+	Merged from transactional-memory.
+
+	* demangle.h (enum gnu_v3_ctor_kinds): Add gnu_v3_object_ctor_group.
+	(enum gnu_v3_dtor_kinds): Add gnu_v3_object_dtor_group.
+	(DEMANGLE_COMPONENT_TRANSACTION_CLONE): New.
+	(DEMANGLE_COMPONENT_NONTRANSACTION_CLONE): New.
+
 2011-11-01  DJ Delorie  <dj@redhat.com>
 
 	* dis-asm.h (print_insn_rl78): Declare.
diff --git a/include/demangle.h b/include/demangle.h
index 960e88e0f2a..98b11d796f4 100644
--- a/include/demangle.h
+++ b/include/demangle.h
@@ -172,7 +172,8 @@ ada_demangle (const char *mangled, int options);
 enum gnu_v3_ctor_kinds {
   gnu_v3_complete_object_ctor = 1,
   gnu_v3_base_object_ctor,
-  gnu_v3_complete_object_allocating_ctor
+  gnu_v3_complete_object_allocating_ctor,
+  gnu_v3_object_ctor_group
 };
 
 /* Return non-zero iff NAME is the mangled form of a constructor name
@@ -186,7 +187,8 @@ extern enum gnu_v3_ctor_kinds
 enum gnu_v3_dtor_kinds {
   gnu_v3_deleting_dtor = 1,
   gnu_v3_complete_object_dtor,
-  gnu_v3_base_object_dtor
+  gnu_v3_base_object_dtor,
+  gnu_v3_object_dtor_group
 };
 
 /* Return non-zero iff NAME is the mangled form of a destructor name
@@ -401,6 +403,13 @@ enum demangle_component_type
   DEMANGLE_COMPONENT_DEFAULT_ARG,
   /* An unnamed type.  */
   DEMANGLE_COMPONENT_UNNAMED_TYPE,
+  /* A transactional clone.  This has one subtree, the encoding for
+     which it is providing alternative linkage.  */
+  DEMANGLE_COMPONENT_TRANSACTION_CLONE,
+  /* A non-transactional clone entry point.  In the i386/x86_64 abi,
+     the unmangled symbol of a tm_callable becomes a thunk and the
+     non-transactional function version is mangled thus.  */
+  DEMANGLE_COMPONENT_NONTRANSACTION_CLONE,
   /* A pack expansion.  */
   DEMANGLE_COMPONENT_PACK_EXPANSION,
   /* A cloned function.  */
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 559f0c97341..a269a0efed8 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,17 @@
+2011-11-07  Richard Henderson  <rth@redhat.com>
+
+	Merged from transactional-memory.
+
+	* cp-demangle.c (cplus_demangle_fill_ctor): Accept
+	gnu_v3_object_ctor_group.
+	(cplus_demangle_fill_dtor): Accept gnu_v3_object_dtor_group.
+	(d_ctor_dtor_name): Recognize gnu_v3_object_ctor_group
+	and gnu_v3_object_dtor_group.
+	(d_dump): Handle DEMANGLE_COMPONENT_TRANSACTION_CLONE
+	and DEMANGLE_COMPONENT_NONTRANSACTION_CLONE.
+	(d_make_comp, d_print_comp): Likewise.
+	(d_special_name): Generate them.
+
 2011-11-04  Jason Merrill  <jason@redhat.com>
 
 	PR c++/48370
diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c
index d0f57b7fcce..0f1166be48c 100644
--- a/libiberty/cp-demangle.c
+++ b/libiberty/cp-demangle.c
@@ -585,6 +585,12 @@ d_dump (struct demangle_component *dc, int indent)
     case DEMANGLE_COMPONENT_HIDDEN_ALIAS:
       printf ("hidden alias\n");
       break;
+    case DEMANGLE_COMPONENT_TRANSACTION_CLONE:
+      printf ("transaction clone\n");
+      break;
+    case DEMANGLE_COMPONENT_NONTRANSACTION_CLONE:
+      printf ("non-transaction clone\n");
+      break;
     case DEMANGLE_COMPONENT_RESTRICT:
       printf ("restrict\n");
       break;
@@ -732,7 +738,7 @@ cplus_demangle_fill_ctor (struct demangle_component *p,
   if (p == NULL
       || name == NULL
       || (int) kind < gnu_v3_complete_object_ctor
-      || (int) kind > gnu_v3_complete_object_allocating_ctor)
+      || (int) kind > gnu_v3_object_ctor_group)
     return 0;
   p->type = DEMANGLE_COMPONENT_CTOR;
   p->u.s_ctor.kind = kind;
@@ -751,7 +757,7 @@ cplus_demangle_fill_dtor (struct demangle_component *p,
   if (p == NULL
       || name == NULL
       || (int) kind < gnu_v3_deleting_dtor
-      || (int) kind > gnu_v3_base_object_dtor)
+      || (int) kind > gnu_v3_object_dtor_group)
     return 0;
   p->type = DEMANGLE_COMPONENT_DTOR;
   p->u.s_dtor.kind = kind;
@@ -823,6 +829,8 @@ d_make_comp (struct d_info *di, enum demangle_component_type type,
     case DEMANGLE_COMPONENT_GUARD:
     case DEMANGLE_COMPONENT_REFTEMP:
     case DEMANGLE_COMPONENT_HIDDEN_ALIAS:
+    case DEMANGLE_COMPONENT_TRANSACTION_CLONE:
+    case DEMANGLE_COMPONENT_NONTRANSACTION_CLONE:
     case DEMANGLE_COMPONENT_POINTER:
     case DEMANGLE_COMPONENT_REFERENCE:
     case DEMANGLE_COMPONENT_RVALUE_REFERENCE:
@@ -1762,6 +1770,8 @@ d_java_resource (struct d_info *di)
                   ::= GR <name>
 		  ::= GA <encoding>
 		  ::= Gr <resource name>
+		  ::= GTt <encoding>
+		  ::= GTn <encoding>
 */
 
 static struct demangle_component *
@@ -1856,6 +1866,23 @@ d_special_name (struct d_info *di)
 	  return d_make_comp (di, DEMANGLE_COMPONENT_HIDDEN_ALIAS,
 			      d_encoding (di, 0), NULL);
 
+	case 'T':
+	  switch (d_next_char (di))
+	    {
+	    case 'n':
+	      return d_make_comp (di, DEMANGLE_COMPONENT_NONTRANSACTION_CLONE,
+				  d_encoding (di, 0), NULL);
+	    default:
+	      /* ??? The proposal is that other letters (such as 'h') stand
+		 for different variants of transaction cloning, such as
+		 compiling directly for hardware transaction support.  But
+		 they still should all be transactional clones of some sort
+		 so go ahead and call them that.  */
+	    case 't':
+	      return d_make_comp (di, DEMANGLE_COMPONENT_TRANSACTION_CLONE,
+				  d_encoding (di, 0), NULL);
+	    }
+
 	case 'r':
 	  return d_java_resource (di);
 
@@ -1939,6 +1966,9 @@ d_ctor_dtor_name (struct d_info *di)
 	  case '3':
 	    kind = gnu_v3_complete_object_allocating_ctor;
 	    break;
+	  case '5':
+	    kind = gnu_v3_object_ctor_group;
+	    break;
 	  default:
 	    return NULL;
 	  }
@@ -1961,6 +1991,9 @@ d_ctor_dtor_name (struct d_info *di)
 	  case '2':
 	    kind = gnu_v3_base_object_dtor;
 	    break;
+	  case '5':
+	    kind = gnu_v3_object_dtor_group;
+	    break;
 	  default:
 	    return NULL;
 	  }
@@ -3935,6 +3968,16 @@ d_print_comp (struct d_print_info *dpi, int options,
       d_print_comp (dpi, options, d_left (dc));
       return;
 
+    case DEMANGLE_COMPONENT_TRANSACTION_CLONE:
+      d_append_string (dpi, "transaction clone for ");
+      d_print_comp (dpi, options, d_left (dc));
+      return;
+
+    case DEMANGLE_COMPONENT_NONTRANSACTION_CLONE:
+      d_append_string (dpi, "non-transaction clone for ");
+      d_print_comp (dpi, options, d_left (dc));
+      return;
+
     case DEMANGLE_COMPONENT_SUB_STD:
       d_append_buffer (dpi, dc->u.s_string.string, dc->u.s_string.len);
       return;