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src/cpu/zero/vm/nativeInst_zero.cpp@f95d63e2154a (annotated)

src/cpu/zero/vm/nativeInst_zero.cpp

Tue, 23 Nov 2010 13:22:55 -0800

author

stefank

date

Tue, 23 Nov 2010 13:22:55 -0800

changeset 2314

f95d63e2154a

parent 1907

c18cbe5936b8

child 6876

710a3c8b516e

child 9191

a0373be7fe1b

permissions

-rw-r--r--

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

never@1445	1	/*
stefank@2314	2	* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
never@1445	3	* Copyright 2008 Red Hat, Inc.
never@1445	4	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@1445	5	*
never@1445	6	* This code is free software; you can redistribute it and/or modify it
never@1445	7	* under the terms of the GNU General Public License version 2 only, as
never@1445	8	* published by the Free Software Foundation.
never@1445	9	*
never@1445	10	* This code is distributed in the hope that it will be useful, but WITHOUT
never@1445	11	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@1445	12	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
never@1445	13	* version 2 for more details (a copy is included in the LICENSE file that
never@1445	14	* accompanied this code).
never@1445	15	*
never@1445	16	* You should have received a copy of the GNU General Public License version
never@1445	17	* 2 along with this work; if not, write to the Free Software Foundation,
never@1445	18	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@1445	19	*
trims@1907	20	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	21	* or visit www.oracle.com if you need additional information or have any
trims@1907	22	* questions.
never@1445	23	*
never@1445	24	*/
never@1445	25
stefank@2314	26	#include "precompiled.hpp"
stefank@2314	27	#include "assembler_zero.inline.hpp"
stefank@2314	28	#include "memory/resourceArea.hpp"
stefank@2314	29	#include "nativeInst_zero.hpp"
stefank@2314	30	#include "oops/oop.inline.hpp"
stefank@2314	31	#include "runtime/handles.hpp"
stefank@2314	32	#include "runtime/sharedRuntime.hpp"
stefank@2314	33	#include "runtime/stubRoutines.hpp"
stefank@2314	34	#include "utilities/ostream.hpp"
stefank@2314	35	#ifdef COMPILER1
stefank@2314	36	#include "c1/c1_Runtime1.hpp"
stefank@2314	37	#endif
never@1445	38
never@1445	39	// This method is called by nmethod::make_not_entrant_or_zombie to
never@1445	40	// insert a jump to SharedRuntime::get_handle_wrong_method_stub()
never@1445	41	// (dest) at the start of a compiled method (verified_entry) to avoid
never@1445	42	// a race where a method is invoked while being made non-entrant.
never@1445	43	//
never@1445	44	// In Shark, verified_entry is a pointer to a SharkEntry. We can
never@1445	45	// handle this simply by changing it's entry point to point at the
never@1445	46	// interpreter. This only works because the interpreter and Shark
never@1445	47	// calling conventions are the same.
never@1445	48
never@1445	49	void NativeJump::patch_verified_entry(address entry,
never@1445	50	address verified_entry,
never@1445	51	address dest) {
never@1445	52	assert(dest == SharedRuntime::get_handle_wrong_method_stub(), "should be");
never@1445	53
never@1445	54	#ifdef CC_INTERP
never@1445	55	((ZeroEntry*) verified_entry)->set_entry_point(
never@1445	56	(address) CppInterpreter::normal_entry);
never@1445	57	#else
never@1445	58	Unimplemented();
never@1445	59	#endif // CC_INTERP
never@1445	60	}