src/hotspot/share/c1/c1_MacroAssembler.hpp
changeset 47216 71c04702a3d5
parent 40010 e32d5e545789
child 49397 d3a8aa01f26f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/c1/c1_MacroAssembler.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_C1_C1_MACROASSEMBLER_HPP
+#define SHARE_VM_C1_C1_MACROASSEMBLER_HPP
+
+#include "asm/macroAssembler.hpp"
+#include "asm/macroAssembler.inline.hpp"
+#include "utilities/macros.hpp"
+
+class CodeEmitInfo;
+
+class C1_MacroAssembler: public MacroAssembler {
+ public:
+  // creation
+  C1_MacroAssembler(CodeBuffer* code) : MacroAssembler(code) { pd_init(); }
+
+  //----------------------------------------------------
+  void explicit_null_check(Register base);
+
+  void inline_cache_check(Register receiver, Register iCache);
+  void build_frame(int frame_size_in_bytes, int bang_size_in_bytes);
+  void remove_frame(int frame_size_in_bytes);
+
+  void unverified_entry(Register receiver, Register ic_klass);
+  void verified_entry();
+  void verify_stack_oop(int offset) PRODUCT_RETURN;
+  void verify_not_null_oop(Register r)  PRODUCT_RETURN;
+
+#include CPU_HEADER(c1_MacroAssembler)
+
+};
+
+
+
+// A StubAssembler is a MacroAssembler w/ extra functionality for runtime
+// stubs. Currently it 'knows' some stub info. Eventually, the information
+// may be set automatically or can be asserted when using specialised
+// StubAssembler functions.
+
+class StubAssembler: public C1_MacroAssembler {
+ private:
+  const char* _name;
+  bool        _must_gc_arguments;
+  int         _frame_size;
+  int         _num_rt_args;
+  int         _stub_id;
+
+ public:
+  // creation
+  StubAssembler(CodeBuffer* code, const char * name, int stub_id);
+  void set_info(const char* name, bool must_gc_arguments);
+
+  void set_frame_size(int size);
+  void set_num_rt_args(int args);
+
+  // accessors
+  const char* name() const                       { return _name; }
+  bool  must_gc_arguments() const                { return _must_gc_arguments; }
+  int frame_size() const                         { return _frame_size; }
+  int num_rt_args() const                        { return _num_rt_args; }
+  int stub_id() const                            { return _stub_id; }
+
+  // runtime calls (return offset of call to be used by GC map)
+  int call_RT(Register oop_result1, Register metadata_result, address entry, int args_size = 0);
+  int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1);
+  int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2);
+  int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2, Register arg3);
+};
+
+#endif // SHARE_VM_C1_C1_MACROASSEMBLER_HPP