Mercurial > hg > truffle
annotate src/share/vm/code/pcDesc.cpp @ 3229:4a6bda6cfe28
Fix for usages that are phi in rematerialization
author | Gilles Duboscq <gilles.duboscq@oracle.com> |
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date | Thu, 21 Jul 2011 11:32:22 +0200 |
parents | d9e4d0aefc90 |
children | be4ca325525a |
rev | line source |
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0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
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15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
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20 * or visit www.oracle.com if you need additional information or have any |
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6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "code/debugInfoRec.hpp" | |
27 #include "code/nmethod.hpp" | |
28 #include "code/pcDesc.hpp" | |
29 #include "code/scopeDesc.hpp" | |
30 #include "memory/resourceArea.hpp" | |
0 | 31 |
32 PcDesc::PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset) { | |
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6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
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33 assert(sizeof(PcDescFlags) <= 4, "occupies more than a word"); |
0 | 34 _pc_offset = pc_offset; |
35 _scope_decode_offset = scope_decode_offset; | |
36 _obj_decode_offset = obj_decode_offset; | |
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6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
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37 _flags.word = 0; |
0 | 38 } |
39 | |
40 address PcDesc::real_pc(const nmethod* code) const { | |
1748 | 41 return code->code_begin() + pc_offset(); |
0 | 42 } |
43 | |
44 void PcDesc::print(nmethod* code) { | |
45 #ifndef PRODUCT | |
46 ResourceMark rm; | |
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Small clean up to reduce delta to OpenJDK.
Thomas Wuerthinger <thomas.wuerthinger@gmail.com>
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47 tty->print_cr("PcDesc(pc=0x%lx offset=%x):", real_pc(code), pc_offset()); |
0 | 48 |
49 if (scope_decode_offset() == DebugInformationRecorder::serialized_null) { | |
50 return; | |
51 } | |
52 | |
53 for (ScopeDesc* sd = code->scope_desc_at(real_pc(code)); | |
54 sd != NULL; | |
55 sd = sd->sender()) { | |
56 tty->print(" "); | |
57 sd->method()->print_short_name(tty); | |
58 tty->print(" @%d", sd->bci()); | |
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6910605: C2: NullPointerException/ClassCaseException is thrown when C2 with DeoptimizeALot is used
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59 if (sd->should_reexecute()) |
f516d5d7a019
6910605: C2: NullPointerException/ClassCaseException is thrown when C2 with DeoptimizeALot is used
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60 tty->print(" reexecute=true"); |
0 | 61 tty->cr(); |
62 } | |
63 #endif | |
64 } | |
65 | |
66 bool PcDesc::verify(nmethod* code) { | |
67 //Unimplemented(); | |
68 return true; | |
69 } |