Mercurial > hg > graal-compiler

comparison src/os_cpu/linux_x86/vm/assembler_linux_x86_64.cpp @ 0:a61af66fc99e jdk7-b24

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children 7793bd37a336
comparison
equal deleted inserted replaced
-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 #include "incls/_precompiled.incl"
26 #include "incls/_assembler_linux_x86_64.cpp.incl"
27
28 void MacroAssembler::int3() {
29 call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint)));
30 }
31
32 void MacroAssembler::get_thread(Register thread) {
33 // call pthread_getspecific
34 // void * pthread_getspecific(pthread_key_t key);
35 if (thread != rax) {
36 pushq(rax);
37 }
38 pushq(rdi);
39 pushq(rsi);
40 pushq(rdx);
41 pushq(rcx);
42 pushq(r8);
43 pushq(r9);
44 pushq(r10);
45 // XXX
46 movq(r10, rsp);
47 andq(rsp, -16);
48 pushq(r10);
49 pushq(r11);
50
51 movl(rdi, ThreadLocalStorage::thread_index());
52 call(RuntimeAddress(CAST_FROM_FN_PTR(address, pthread_getspecific)));
53
54 popq(r11);
55 popq(rsp);
56 popq(r10);
57 popq(r9);
58 popq(r8);
59 popq(rcx);
60 popq(rdx);
61 popq(rsi);
62 popq(rdi);
63 if (thread != rax) {
64 movq(thread, rax);
65 popq(rax);
66 }
67 }
68
69 // NOTE: since the linux kernel resides at the low end of
70 // user address space, no null pointer check is needed.
71 bool MacroAssembler::needs_explicit_null_check(int offset) {
72 return offset < 0 || offset >= 0x100000;
73 }