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comparison src/os_cpu/bsd_x86/vm/assembler_bsd_x86.cpp @ 3960:f08d439fab8c

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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>
author never
date Sun, 25 Sep 2011 16:03:29 -0700
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children cd3d6a6b95d9
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3959:eda6988c0d81 3960:f08d439fab8c
1 /*
2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "asm/assembler.hpp"
27 #include "assembler_x86.inline.hpp"
28 #include "runtime/os.hpp"
29 #include "runtime/threadLocalStorage.hpp"
30
31 #ifndef _LP64
32 void MacroAssembler::int3() {
33 call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint)));
34 }
35
36 void MacroAssembler::get_thread(Register thread) {
37 movl(thread, rsp);
38 shrl(thread, PAGE_SHIFT);
39
40 ExternalAddress tls_base((address)ThreadLocalStorage::sp_map_addr());
41 Address index(noreg, thread, Address::times_4);
42 ArrayAddress tls(tls_base, index);
43
44 movptr(thread, tls);
45 }
46 #else
47 void MacroAssembler::int3() {
48 call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint)));
49 }
50
51 void MacroAssembler::get_thread(Register thread) {
52 // call pthread_getspecific
53 // void * pthread_getspecific(pthread_key_t key);
54 if (thread != rax) {
55 push(rax);
56 }
57 push(rdi);
58 push(rsi);
59 push(rdx);
60 push(rcx);
61 push(r8);
62 push(r9);
63 push(r10);
64 // XXX
65 mov(r10, rsp);
66 andq(rsp, -16);
67 push(r10);
68 push(r11);
69
70 movl(rdi, ThreadLocalStorage::thread_index());
71 call(RuntimeAddress(CAST_FROM_FN_PTR(address, pthread_getspecific)));
72
73 pop(r11);
74 pop(rsp);
75 pop(r10);
76 pop(r9);
77 pop(r8);
78 pop(rcx);
79 pop(rdx);
80 pop(rsi);
81 pop(rdi);
82 if (thread != rax) {
83 mov(thread, rax);
84 pop(rax);
85 }
86 }
87 #endif