interpreter_x86.hpp revision 1426
/*
* Copyright 1997-2010 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* 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.
*
*/
public:
// Sentinel placed in the code for interpreter returns so
// that i2c adapters and osr code can recognize an interpreter
// return address and convert the return to a specialized
// block of code to handle compiedl return values and cleaning
// the fpu stack.
static const int return_sentinel;
// Offset from rsp (which points to the last stack element)
static int expr_offset_in_bytes(int i) { return stackElementSize * i; }
// Stack index relative to tos (which points at value)
static int expr_index_at(int i) { return stackElementWords * i; }
// Already negated by c++ interpreter
static int local_index_at(int i) {
assert(i <= 0, "local direction already negated");
return stackElementWords * i;
}