0
|
1 /*
|
196
|
2 * Copyright 1999-2008 Sun Microsystems, Inc. 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 *
|
|
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_solaris_x86_32.cpp.incl"
|
|
27
|
|
28
|
|
29 void MacroAssembler::int3() {
|
|
30 pushl(rax);
|
|
31 pushl(rdx);
|
|
32 pushl(rcx);
|
|
33 call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint)));
|
|
34 popl(rcx);
|
|
35 popl(rdx);
|
|
36 popl(rax);
|
|
37 }
|
|
38
|
|
39 void MacroAssembler::get_thread(Register thread) {
|
|
40
|
|
41 // Try to emit a Solaris-specific fast TSD/TLS accessor.
|
|
42 ThreadLocalStorage::pd_tlsAccessMode tlsMode = ThreadLocalStorage::pd_getTlsAccessMode () ;
|
|
43 if (tlsMode == ThreadLocalStorage::pd_tlsAccessIndirect) { // T1
|
|
44 // Use thread as a temporary: mov r, gs:[0]; mov r, [r+tlsOffset]
|
|
45 emit_byte (Assembler::GS_segment) ;
|
|
46 // ExternalAddress doesn't work because it can't take NULL
|
|
47 AddressLiteral null(0, relocInfo::none);
|
|
48 movptr (thread, null);
|
|
49 movl (thread, Address(thread, ThreadLocalStorage::pd_getTlsOffset())) ;
|
|
50 return ;
|
|
51 } else
|
|
52 if (tlsMode == ThreadLocalStorage::pd_tlsAccessDirect) { // T2
|
|
53 // mov r, gs:[tlsOffset]
|
|
54 emit_byte (Assembler::GS_segment) ;
|
|
55 AddressLiteral tls((address)ThreadLocalStorage::pd_getTlsOffset(), relocInfo::none);
|
|
56 movptr (thread, tls);
|
|
57 return ;
|
|
58 }
|
|
59
|
|
60 // slow call to of thr_getspecific
|
|
61 // int thr_getspecific(thread_key_t key, void **value);
|
|
62 // Consider using pthread_getspecific instead.
|
|
63
|
|
64 pushl(0); // allocate space for return value
|
|
65 if (thread != rax) pushl(rax); // save rax, if caller still wants it
|
|
66 pushl(rcx); // save caller save
|
|
67 pushl(rdx); // save caller save
|
|
68 if (thread != rax) {
|
|
69 leal(thread, Address(rsp, 3 * sizeof(int))); // address of return value
|
|
70 } else {
|
|
71 leal(thread, Address(rsp, 2 * sizeof(int))); // address of return value
|
|
72 }
|
|
73 pushl(thread); // and pass the address
|
|
74 pushl(ThreadLocalStorage::thread_index()); // the key
|
|
75 call(RuntimeAddress(CAST_FROM_FN_PTR(address, thr_getspecific)));
|
|
76 increment(rsp, 2 * wordSize);
|
|
77 popl(rdx);
|
|
78 popl(rcx);
|
|
79 if (thread != rax) popl(rax);
|
|
80 popl(thread);
|
|
81 }
|