truffle: src/share/vm/oops/klass.inline.hpp annotate

annotate src/share/vm/oops/klass.inline.hpp @ 13212:eb03a7335eb0

Use fixed instead of virtual register for target in far foreign call, since the register allocator does not support virtual registers to be used at call sites.

author	Christian Wimmer <christian.wimmer@oracle.com>
date	Mon, 02 Dec 2013 14:20:32 -0800
parents	740e263c80c6
children	78bbf4d43a14

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
12056 740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	2 * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 0 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 0 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 0 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	25 #ifndef SHARE_VM_OOPS_KLASS_INLINE_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	26 #define SHARE_VM_OOPS_KLASS_INLINE_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	27
12056 740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	28 #include "memory/universe.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	29 #include "oops/klass.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	30 #include "oops/markOop.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	31
0 a61af66fc99e Initial load duke parents: diff changeset	32 inline void Klass::set_prototype_header(markOop header) {
a61af66fc99e Initial load duke parents: diff changeset	33 assert(!header->has_bias_pattern() \|\| oop_is_instance(), "biased locking currently only supported for Java instances");
a61af66fc99e Initial load duke parents: diff changeset	34 _prototype_header = header;
a61af66fc99e Initial load duke parents: diff changeset	35 }
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	36
12056 740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	37 inline bool Klass::is_null(Klass* obj) { return obj == NULL; }
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	38 inline bool Klass::is_null(narrowKlass obj) { return obj == 0; }
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	39
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	40 // Encoding and decoding for klass field.
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	41
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	42 inline bool check_klass_alignment(Klass* obj) {
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	43 return (intptr_t)obj % KlassAlignmentInBytes == 0;
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	44 }
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	45
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	46 inline narrowKlass Klass::encode_klass_not_null(Klass* v) {
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	47 assert(!is_null(v), "klass value can never be zero");
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	48 assert(check_klass_alignment(v), "Address not aligned");
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	49 int shift = Universe::narrow_klass_shift();
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	50 uint64_t pd = (uint64_t)(pointer_delta((void*)v, Universe::narrow_klass_base(), 1));
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	51 assert(KlassEncodingMetaspaceMax > pd, "change encoding max if new encoding");
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	52 uint64_t result = pd >> shift;
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	53 assert((result & CONST64(0xffffffff00000000)) == 0, "narrow klass pointer overflow");
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	54 assert(decode_klass(result) == v, "reversibility");
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	55 return (narrowKlass)result;
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	56 }
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	57
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	58 inline narrowKlass Klass::encode_klass(Klass* v) {
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	59 return is_null(v) ? (narrowKlass)0 : encode_klass_not_null(v);
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	60 }
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	61
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	62 inline Klass* Klass::decode_klass_not_null(narrowKlass v) {
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	63 assert(!is_null(v), "narrow klass value can never be zero");
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	64 int shift = Universe::narrow_klass_shift();
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	65 Klass* result = (Klass)(void)((uintptr_t)Universe::narrow_klass_base() + ((uintptr_t)v << shift));
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	66 assert(check_klass_alignment(result), err_msg("address not aligned: " PTR_FORMAT, (void*) result));
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	67 return result;
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	68 }
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	69
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	70 inline Klass* Klass::decode_klass(narrowKlass v) {
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	71 return is_null(v) ? (Klass*)NULL : decode_klass_not_null(v);
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	72 }
740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 1972 diff changeset	73
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	74 #endif // SHARE_VM_OOPS_KLASS_INLINE_HPP

Mercurial > hg > truffle

annotate src/share/vm/oops/klass.inline.hpp @ 13212:eb03a7335eb0