Mercurial > hg > graal-compiler
diff graal/com.oracle.jvmci.code/src/com/oracle/jvmci/code/ForeignCallLinkage.java @ 21556:48c1ebd24120
renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Wed, 27 May 2015 00:36:16 +0200 |
parents | graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/ForeignCallLinkage.java@1cde96b96673 |
children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.jvmci.code/src/com/oracle/jvmci/code/ForeignCallLinkage.java Wed May 27 00:36:16 2015 +0200 @@ -0,0 +1,74 @@ +/* + * Copyright (c) 2009, 2012, 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. + */ +package com.oracle.jvmci.code; + +import com.oracle.jvmci.meta.InvokeTarget; +import com.oracle.jvmci.meta.Value; +import com.oracle.jvmci.meta.ForeignCallDescriptor; + +/** + * The runtime specific details of a {@linkplain ForeignCallDescriptor foreign} call. + */ +public interface ForeignCallLinkage extends InvokeTarget { + + /** + * Gets the details of where parameters are passed and value(s) are returned from the caller's + * perspective. + */ + CallingConvention getOutgoingCallingConvention(); + + /** + * Gets the details of where parameters are passed and value(s) are returned from the callee's + * perspective. + */ + CallingConvention getIncomingCallingConvention(); + + /** + * Returns the maximum absolute offset of PC relative call to this stub from any position in the + * code cache or -1 when not applicable. Intended for determining the required size of + * address/offset fields. + */ + long getMaxCallTargetOffset(); + + ForeignCallDescriptor getDescriptor(); + + /** + * Gets the values used/killed by this foreign call. + */ + Value[] getTemporaries(); + + /** + * Determines if the foreign call target destroys all registers. + * + * @return {@code true} if the register allocator must save all live registers around a call to + * this target + */ + boolean destroysRegisters(); + + /** + * Determines if this is call to a function that does not deoptimize, and therefore also does + * not lock, GC or throw exceptions. That is, the thread's execution state during the call is + * never inspected by another thread. + */ + boolean canDeoptimize(); +}