mirror of
https://github.com/openjdk/jdk.git
synced 2025-08-27 23:04:50 +02:00

Make Zero figure out result types in a similar way to C++ interpreter implementation. Reviewed-by: kvn
47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
/*
|
|
* Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved.
|
|
* Copyright 2007, 2008, 2010 Red Hat, Inc.
|
|
* 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
* CA 95054 USA or visit www.sun.com if you need additional information or
|
|
* have any questions.
|
|
*
|
|
*/
|
|
|
|
protected:
|
|
// Size of interpreter code
|
|
const static int InterpreterCodeSize = 6 * K;
|
|
|
|
public:
|
|
// Method entries
|
|
static void normal_entry(methodOop method, intptr_t UNUSED, TRAPS);
|
|
static void native_entry(methodOop method, intptr_t UNUSED, TRAPS);
|
|
static void accessor_entry(methodOop method, intptr_t UNUSED, TRAPS);
|
|
static void empty_entry(methodOop method, intptr_t UNUSED, TRAPS);
|
|
|
|
public:
|
|
// Main loop of normal_entry
|
|
static void main_loop(int recurse, TRAPS);
|
|
|
|
private:
|
|
// Stack overflow checks
|
|
static bool stack_overflow_imminent(JavaThread *thread);
|
|
|
|
private:
|
|
// Fast result type determination
|
|
static BasicType result_type_of(methodOop method);
|