parse.h (BUILD_THROW): Add support for sjlj-exceptions.

1999-11-17  Andrew Haley  <aph@cygnus.com>

	* parse.h (BUILD_THROW): Add support for sjlj-exceptions.
	decl.c (init_decl_processing): Add _Jv_Sjlj_Throw.
	expr.c (build_java_athrow): Add support for sjlj-exceptions.
	java-tree.h: Ditto.
	jcf-write.c: Ditto.

From-SVN: r30859

gcc/java/ChangeLog

+1999-12-10  Andrew Haley  <aph@cygnus.com>
+
+	* parse.h (BUILD_THROW): Add support for sjlj-exceptions.
+	decl.c (init_decl_processing): Add _Jv_Sjlj_Throw.
+	expr.c (build_java_athrow): Add support for sjlj-exceptions.
+	java-tree.h: Ditto.
+	jcf-write.c: Ditto.	
+
 1999-12-5  Anthony Green  <green@cygnus.com>
 
 	* decl.c (init_decl_processing): Mark throw_node as a noreturn

gcc/java/decl.c

@@ -337,7 +337,7 @@ tree soft_newarray_node;
 tree soft_anewarray_node;
 tree soft_multianewarray_node;
 tree soft_badarrayindex_node;
-tree throw_node;
+tree throw_node [2];
 tree soft_checkarraystore_node;
 tree soft_monitorenter_node;
 tree soft_monitorexit_node;
@@ -706,12 +706,18 @@ init_decl_processing ()
 					  0, NOT_BUILT_IN,
 					  NULL_PTR);
   t = tree_cons (NULL_TREE, ptr_type_node, endlink);
-  throw_node = builtin_function ("_Jv_Throw",
-				 build_function_type (ptr_type_node, t),
-				 0, NOT_BUILT_IN, NULL_PTR);
-  /* Mark throw_node as a `noreturn' function with side effects.  */
-  TREE_THIS_VOLATILE (throw_node) = 1;
-  TREE_SIDE_EFFECTS (throw_node) = 1;
+  throw_node[0] = builtin_function ("_Jv_Throw",
+				    build_function_type (ptr_type_node, t),
+				    0, NOT_BUILT_IN, NULL_PTR);
+  /* Mark throw_nodes as `noreturn' functions with side effects.  */
+  TREE_THIS_VOLATILE (throw_node[0]) = 1;
+  TREE_SIDE_EFFECTS (throw_node[0]) = 1;
+  t = tree_cons (NULL_TREE, ptr_type_node, endlink);
+  throw_node[1] = builtin_function ("_Jv_Sjlj_Throw",
+				    build_function_type (ptr_type_node, t),
+				    0, NOT_BUILT_IN, NULL_PTR);
+  TREE_THIS_VOLATILE (throw_node[1]) = 1;
+  TREE_SIDE_EFFECTS (throw_node[1]) = 1;
   t = build_function_type (int_type_node, endlink);
   soft_monitorenter_node 
     = builtin_function ("_Jv_MonitorEnter", t, 0, NOT_BUILT_IN,

gcc/java/expr.c

@@ -523,7 +523,8 @@ java_stack_dup (size, offset)
     }
 }
 
-/* Calls _Jv_Throw.  Discard the contents of the value stack. */
+/* Calls _Jv_Throw or _Jv_Sjlj_Throw.  Discard the contents of the
+   value stack. */
 
 static void
 build_java_athrow (node)
@@ -533,7 +534,7 @@ build_java_athrow (node)
 
   call = build (CALL_EXPR,
 		void_type_node,
-		build_address_of (throw_node),
+		build_address_of (throw_node[exceptions_via_longjmp ? 1 : 0]),
 		build_tree_list (NULL_TREE, node),
 		NULL_TREE);
   TREE_SIDE_EFFECTS (call) = 1;

gcc/java/java-tree.h

@@ -269,7 +269,7 @@ extern tree soft_newarray_node;
 extern tree soft_anewarray_node;
 extern tree soft_multianewarray_node;
 extern tree soft_badarrayindex_node;
-extern tree throw_node;
+extern tree throw_node[];
 extern tree soft_checkarraystore_node;
 extern tree soft_monitorenter_node;
 extern tree soft_monitorexit_node;

gcc/java/jcf-write.c

@@ -2451,7 +2451,8 @@ generate_bytecode_insns (exp, target, state)
 	  }
 	else if (f == soft_monitorenter_node
 		 || f == soft_monitorexit_node
-		 || f == throw_node)
+		 || f == throw_node[0]
+		 || f == throw_node[1])
 	  {
 	    if (f == soft_monitorenter_node)
 	      op = OPCODE_monitorenter;

gcc/java/parse.h

@@ -534,7 +534,7 @@ typedef struct _jdeplist {
 #define BUILD_THROW(WHERE, WHAT)					\
   {									\
     (WHERE) = build (CALL_EXPR, void_type_node,				\
-		  build_address_of (throw_node),			\
+		  build_address_of (throw_node[exceptions_via_longjmp ? 1 : 0]), \
 		  build_tree_list (NULL_TREE, (WHAT)), NULL_TREE);	\
     TREE_SIDE_EFFECTS ((WHERE)) = 1;					\
   }