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src/cpu/sparc/vm/stubRoutines_sparc.cpp@3d42f82cd811 (annotated)

src/cpu/sparc/vm/stubRoutines_sparc.cpp

Thu, 21 Jul 2011 11:25:07 -0700

author

kvn

date

Thu, 21 Jul 2011 11:25:07 -0700

changeset 3037

3d42f82cd811

parent 2314

f95d63e2154a

child 4299

f34d701e952e

permissions

-rw-r--r--

7063628: Use cbcond on T4
Summary: Add new short branch instruction to Hotspot sparc assembler.
Reviewed-by: never, twisti, jrose

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@2314	29	#ifdef TARGET_OS_FAMILY_linux
stefank@2314	30	# include "thread_linux.inline.hpp"
stefank@2314	31	#endif
stefank@2314	32	#ifdef TARGET_OS_FAMILY_solaris
stefank@2314	33	# include "thread_solaris.inline.hpp"
stefank@2314	34	#endif
duke@435	35
duke@435	36	// Implementation of the platform-specific part of StubRoutines - for
duke@435	37	// a description of how to extend it, see the stubRoutines.hpp file.
duke@435	38
duke@435	39
duke@435	40	extern "C" {
duke@435	41	address _flush_reg_windows(); // in .s file.
duke@435	42	// Flush registers to stack. In case of error we will need to stack walk.
duke@435	43	address bootstrap_flush_windows(void) {
duke@435	44	Thread* thread = ThreadLocalStorage::get_thread_slow();
duke@435	45	// Very early in process there is no thread.
duke@435	46	if (thread != NULL) {
duke@435	47	guarantee(thread->is_Java_thread(), "Not a Java thread.");
duke@435	48	JavaThread* jt = (JavaThread*)thread;
duke@435	49	guarantee(!jt->has_last_Java_frame(), "Must be able to flush registers!");
duke@435	50	}
duke@435	51	return (address)_flush_reg_windows();
duke@435	52	};
duke@435	53	};
duke@435	54
duke@435	55	address StubRoutines::Sparc::_test_stop_entry = NULL;
duke@435	56	address StubRoutines::Sparc::_stop_subroutine_entry = NULL;
duke@435	57	address StubRoutines::Sparc::_flush_callers_register_windows_entry = CAST_FROM_FN_PTR(address, bootstrap_flush_windows);
duke@435	58
duke@435	59	address StubRoutines::Sparc::_partial_subtype_check = NULL;
duke@435	60
duke@435	61	int StubRoutines::Sparc::_atomic_memory_operation_lock = StubRoutines::Sparc::unlocked;
duke@435	62
duke@435	63	int StubRoutines::Sparc::_v8_oop_lock_cache[StubRoutines::Sparc::nof_v8_oop_lock_cache_entries];