Mercurial > hg > truffle
annotate src/os_cpu/linux_x86/vm/os_linux_x86.hpp @ 10102:f2e682ef3156
8012335: G1: Fix bug with compressed oops in template interpreter on x86 and sparc.
Summary: In do_oop_store the uncompressed value of the oop being stored needs to be preserved and passed to g1_write_barrier_post. This is necessary for the heap region cross check to work correctly.
Reviewed-by: coleenp, johnc
Contributed-by: Martin Doerr <martin.doerr@sap.com>
author | johnc |
---|---|
date | Wed, 17 Apr 2013 10:57:02 -0700 |
parents | b9a9ed0f8eeb |
children | 899ecf76b570 |
rev | line source |
---|---|
0 | 1 /* |
6842
b9a9ed0f8eeb
7197424: update copyright year to match last edit in jdk8 hotspot repository
mikael
parents:
4749
diff
changeset
|
2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
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 * | |
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 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef OS_CPU_LINUX_X86_VM_OS_LINUX_X86_HPP |
26 #define OS_CPU_LINUX_X86_VM_OS_LINUX_X86_HPP | |
27 | |
0 | 28 static void setup_fpu(); |
29 static bool supports_sse(); | |
30 | |
4749
7ab5f6318694
7125934: Add a fast unordered timestamp capability to Hotspot on x86/x64
phh
parents:
1972
diff
changeset
|
31 static jlong rdtsc(); |
7ab5f6318694
7125934: Add a fast unordered timestamp capability to Hotspot on x86/x64
phh
parents:
1972
diff
changeset
|
32 |
0 | 33 static bool is_allocatable(size_t bytes); |
34 | |
35 // Used to register dynamic code cache area with the OS | |
36 // Note: Currently only used in 64 bit Windows implementations | |
37 static bool register_code_area(char *low, char *high) { return true; } | |
1972 | 38 |
39 #endif // OS_CPU_LINUX_X86_VM_OS_LINUX_X86_HPP |