Sun, 25 Sep 2011 16:03:29 -0700
7089790: integrate bsd-port changes
Reviewed-by: kvn, twisti, jrose
Contributed-by: Kurt Miller <kurt@intricatesoftware.com>, Greg Lewis <glewis@eyesbeyond.com>, Jung-uk Kim <jkim@freebsd.org>, Christos Zoulas <christos@zoulas.com>, Landon Fuller <landonf@plausible.coop>, The FreeBSD Foundation <board@freebsdfoundation.org>, Michael Franz <mvfranz@gmail.com>, Roger Hoover <rhoover@apple.com>, Alexander Strange <astrange@apple.com>
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 "memory/resourceArea.hpp" |
stefank@2314 | 27 | #include "utilities/growableArray.hpp" |
stefank@2314 | 28 | #ifdef TARGET_OS_FAMILY_linux |
stefank@2314 | 29 | # include "thread_linux.inline.hpp" |
stefank@2314 | 30 | #endif |
stefank@2314 | 31 | #ifdef TARGET_OS_FAMILY_solaris |
stefank@2314 | 32 | # include "thread_solaris.inline.hpp" |
stefank@2314 | 33 | #endif |
stefank@2314 | 34 | #ifdef TARGET_OS_FAMILY_windows |
stefank@2314 | 35 | # include "thread_windows.inline.hpp" |
stefank@2314 | 36 | #endif |
never@3156 | 37 | #ifdef TARGET_OS_FAMILY_bsd |
never@3156 | 38 | # include "thread_bsd.inline.hpp" |
never@3156 | 39 | #endif |
duke@435 | 40 | #ifdef ASSERT |
duke@435 | 41 | void GenericGrowableArray::set_nesting() { |
duke@435 | 42 | if (on_stack()) { |
duke@435 | 43 | _nesting = Thread::current()->resource_area()->nesting(); |
duke@435 | 44 | } |
duke@435 | 45 | } |
duke@435 | 46 | |
duke@435 | 47 | void GenericGrowableArray::check_nesting() { |
duke@435 | 48 | // Check for insidious allocation bug: if a GrowableArray overflows, the |
duke@435 | 49 | // grown array must be allocated under the same ResourceMark as the original. |
duke@435 | 50 | // Otherwise, the _data array will be deallocated too early. |
duke@435 | 51 | if (on_stack() && |
duke@435 | 52 | _nesting != Thread::current()->resource_area()->nesting()) { |
duke@435 | 53 | fatal("allocation bug: GrowableArray could grow within nested ResourceMark"); |
duke@435 | 54 | } |
duke@435 | 55 | } |
duke@435 | 56 | #endif |
duke@435 | 57 | |
duke@435 | 58 | void* GenericGrowableArray::raw_allocate(int elementSize) { |
jmasa@1031 | 59 | assert(_max >= 0, "integer overflow"); |
jmasa@1031 | 60 | size_t byte_size = elementSize * (size_t) _max; |
duke@435 | 61 | if (on_stack()) { |
jmasa@1031 | 62 | return (void*)resource_allocate_bytes(byte_size); |
duke@435 | 63 | } else if (on_C_heap()) { |
jmasa@1031 | 64 | return (void*)AllocateHeap(byte_size, "GrET in " __FILE__); |
duke@435 | 65 | } else { |
jmasa@1031 | 66 | return _arena->Amalloc(byte_size); |
duke@435 | 67 | } |
duke@435 | 68 | } |