Mercurial > jdk8-mips64-public > hotspot / annotate
src/cpu/sparc/vm/icache_sparc.cpp@12f651e29f6b (annotated)
src/cpu/sparc/vm/icache_sparc.cpp
Wed, 15 May 2013 11:05:09 +0200
- author
- tschatzl
- date
- Wed, 15 May 2013 11:05:09 +0200
- changeset 5119
- 12f651e29f6b
- parent 4323
- f0c2369fda5a
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
6843347: Boundary values in some public GC options cause crashes
Summary: Setting some public integer options to specific values causes crashes or undefined GC behavior. This patchset adds the necessary argument checking for these options.
Reviewed-by: jmasa, brutisso
| 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" |
| twisti@4323 | 26 | #include "asm/macroAssembler.inline.hpp" |
| stefank@2314 | 27 | #include "runtime/icache.hpp" |
| duke@435 | 28 | |
| duke@435 | 29 | #define __ _masm-> |
| duke@435 | 30 | |
| duke@435 | 31 | void ICacheStubGenerator::generate_icache_flush( |
| duke@435 | 32 | ICache::flush_icache_stub_t* flush_icache_stub |
| duke@435 | 33 | ) { |
| duke@435 | 34 | StubCodeMark mark(this, "ICache", "flush_icache_stub"); |
| duke@435 | 35 | address start = __ pc(); |
| duke@435 | 36 | |
| duke@435 | 37 | Label L; |
| duke@435 | 38 | __ bind(L); |
| duke@435 | 39 | __ flush( O0, G0 ); |
| duke@435 | 40 | __ deccc( O1 ); |
| duke@435 | 41 | __ br(Assembler::positive, false, Assembler::pn, L); |
| duke@435 | 42 | __ delayed()->inc( O0, 8 ); |
| duke@435 | 43 | __ retl(false); |
| duke@435 | 44 | __ delayed()->mov( O2, O0 ); // handshake with caller to make sure it happened! |
| duke@435 | 45 | |
| duke@435 | 46 | // Must be set here so StubCodeMark destructor can call the flush stub. |
| duke@435 | 47 | *flush_icache_stub = (ICache::flush_icache_stub_t)start; |
| duke@435 | 48 | }; |
| duke@435 | 49 | |
| duke@435 | 50 | #undef __ |
