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/macroAssembler.hpp"
27 #include "asm/macroAssembler.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 #ifdef MINIMIZE_RAM_USAGE
37
38 void MacroAssembler::get_thread(Register thread) {
39 // call pthread_getspecific
40 // void * pthread_getspecific(pthread_key_t key);
41 if (thread != rax) push(rax);
42 push(rcx);
43 push(rdx);
44
45 push(ThreadLocalStorage::thread_index());
46 call(RuntimeAddress(CAST_FROM_FN_PTR(address, pthread_getspecific)));
47 increment(rsp, wordSize);
48
49 pop(rdx);
50 pop(rcx);
51 if (thread != rax) {
52 mov(thread, rax);
53 pop(rax);
54 }
55 }
56
57 #else
58 void MacroAssembler::get_thread(Register thread) {
59 movl(thread, rsp);
60 shrl(thread, PAGE_SHIFT);
61
62 ExternalAddress tls_base((address)ThreadLocalStorage::sp_map_addr());
63 Address index(noreg, thread, Address::times_4);
64 ArrayAddress tls(tls_base, index);
65
66 movptr(thread, tls);
67 }
68 #endif // MINIMIZE_RAM_USAGE
69 #else
70 void MacroAssembler::int3() {
71 call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint)));
72 }
73
74 void MacroAssembler::get_thread(Register thread) {
75 // call pthread_getspecific
76 // void * pthread_getspecific(pthread_key_t key);
77 if (thread != rax) {
78 push(rax);
79 }
80 push(rdi);
81 push(rsi);
82 push(rdx);
83 push(rcx);
84 push(r8);
85 push(r9);
86 push(r10);
87 // XXX
88 mov(r10, rsp);
89 andq(rsp, -16);
90 push(r10);
91 push(r11);
92
93 movl(rdi, ThreadLocalStorage::thread_index());
94 call(RuntimeAddress(CAST_FROM_FN_PTR(address, pthread_getspecific)));
95
96 pop(r11);
97 pop(rsp);
98 pop(r10);
99 pop(r9);
100 pop(r8);
101 pop(rcx);
102 pop(rdx);
103 pop(rsi);
104 pop(rdi);
105 if (thread != rax) {
106 mov(thread, rax);
107 pop(rax);
108 }
109 }
110 #endif
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1 /*
2 * Copyright (c) 1999, 2015, 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/macroAssembler.hpp"
27 #include "asm/macroAssembler.inline.hpp"
28 #include "runtime/os.hpp"
29
30 void MacroAssembler::int3() {
31 call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint)));
32 }
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