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

annotate src/share/vm/oops/klass.inline.hpp @ 17937:78bbf4d43a14

8037816: Fix for 8036122 breaks build with Xcode5/clang 8043029: Change 8037816 breaks HS build with older GCC versions which don't support diagnostic pragmas 8043164: Format warning in traceStream.hpp Summary: Backport of main fix + two corrections, enables clang compilation, turns on format attributes, corrects/mutes warnings Reviewed-by: kvn, coleenp, iveresov, twisti

author	drchase
date	Thu, 22 May 2014 15:52:41 -0400
parents	740e263c80c6
children

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 12056 diff changeset	2 * Copyright (c) 2005, 2014, 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));
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 12056 diff changeset	66 assert(check_klass_alignment(result), err_msg("address not aligned: " INTPTR_FORMAT, p2i((void*) result)));
12056 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 @ 17937:78bbf4d43a14