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src/cpu/sparc/vm/stubRoutines_sparc.cpp@a6e09d6dd8e5 (annotated)

src/cpu/sparc/vm/stubRoutines_sparc.cpp

Wed, 24 Apr 2013 20:55:28 -0400

author

dlong

date

Wed, 24 Apr 2013 20:55:28 -0400

changeset 5000

a6e09d6dd8e5

parent 4299

f34d701e952e

child 5283

46c544b8fbfc

permissions

-rw-r--r--

8003853: specify offset of IC load in java_to_interp stub
Summary: refactored code to allow platform-specific differences
Reviewed-by: dlong, twisti
Contributed-by: Goetz Lindenmaier <goetz.lindenmaier@sap.com>

duke@435	1	/*
stefank@2314	2	* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#include "precompiled.hpp"
stefank@2314	26	#include "runtime/deoptimization.hpp"
stefank@2314	27	#include "runtime/frame.inline.hpp"
stefank@2314	28	#include "runtime/stubRoutines.hpp"
stefank@4299	29	#include "runtime/thread.inline.hpp"
duke@435	30
duke@435	31	// Implementation of the platform-specific part of StubRoutines - for
duke@435	32	// a description of how to extend it, see the stubRoutines.hpp file.
duke@435	33
duke@435	34
duke@435	35	extern "C" {
duke@435	36	address _flush_reg_windows(); // in .s file.
duke@435	37	// Flush registers to stack. In case of error we will need to stack walk.
duke@435	38	address bootstrap_flush_windows(void) {
duke@435	39	Thread* thread = ThreadLocalStorage::get_thread_slow();
duke@435	40	// Very early in process there is no thread.
duke@435	41	if (thread != NULL) {
duke@435	42	guarantee(thread->is_Java_thread(), "Not a Java thread.");
duke@435	43	JavaThread* jt = (JavaThread*)thread;
duke@435	44	guarantee(!jt->has_last_Java_frame(), "Must be able to flush registers!");
duke@435	45	}
duke@435	46	return (address)_flush_reg_windows();
duke@435	47	};
duke@435	48	};
duke@435	49
duke@435	50	address StubRoutines::Sparc::_test_stop_entry = NULL;
duke@435	51	address StubRoutines::Sparc::_stop_subroutine_entry = NULL;
duke@435	52	address StubRoutines::Sparc::_flush_callers_register_windows_entry = CAST_FROM_FN_PTR(address, bootstrap_flush_windows);
duke@435	53
duke@435	54	address StubRoutines::Sparc::_partial_subtype_check = NULL;
duke@435	55
duke@435	56	int StubRoutines::Sparc::_atomic_memory_operation_lock = StubRoutines::Sparc::unlocked;
duke@435	57
duke@435	58	int StubRoutines::Sparc::_v8_oop_lock_cache[StubRoutines::Sparc::nof_v8_oop_lock_cache_entries];