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annotate src/os_cpu/solaris_x86/vm/assembler_solaris_x86.cpp @ 1954:e3e1fb85e50a
Merge
author | jmasa |
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date | Mon, 15 Nov 2010 16:25:14 -0800 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1999, 2008, 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 #include "incls/_precompiled.incl" | |
304 | 26 #include "incls/_assembler_solaris_x86.cpp.incl" |
0 | 27 |
28 | |
29 void MacroAssembler::int3() { | |
304 | 30 push(rax); |
31 push(rdx); | |
32 push(rcx); | |
0 | 33 call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint))); |
304 | 34 pop(rcx); |
35 pop(rdx); | |
36 pop(rax); | |
0 | 37 } |
38 | |
304 | 39 #define __ _masm-> |
40 #ifndef _LP64 | |
41 static void slow_call_thr_specific(MacroAssembler* _masm, Register thread) { | |
0 | 42 |
43 // slow call to of thr_getspecific | |
44 // int thr_getspecific(thread_key_t key, void **value); | |
45 // Consider using pthread_getspecific instead. | |
46 | |
304 | 47 __ push(0); // allocate space for return value |
48 if (thread != rax) __ push(rax); // save rax, if caller still wants it | |
49 __ push(rcx); // save caller save | |
50 __ push(rdx); // save caller save | |
0 | 51 if (thread != rax) { |
304 | 52 __ lea(thread, Address(rsp, 3 * sizeof(int))); // address of return value |
0 | 53 } else { |
304 | 54 __ lea(thread, Address(rsp, 2 * sizeof(int))); // address of return value |
55 } | |
56 __ push(thread); // and pass the address | |
57 __ push(ThreadLocalStorage::thread_index()); // the key | |
58 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, thr_getspecific))); | |
59 __ increment(rsp, 2 * wordSize); | |
60 __ pop(rdx); | |
61 __ pop(rcx); | |
62 if (thread != rax) __ pop(rax); | |
63 __ pop(thread); | |
64 | |
65 } | |
66 #else | |
67 static void slow_call_thr_specific(MacroAssembler* _masm, Register thread) { | |
68 // slow call to of thr_getspecific | |
69 // int thr_getspecific(thread_key_t key, void **value); | |
70 // Consider using pthread_getspecific instead. | |
71 | |
72 if (thread != rax) { | |
73 __ push(rax); | |
0 | 74 } |
304 | 75 __ push(0); // space for return value |
76 __ push(rdi); | |
77 __ push(rsi); | |
78 __ lea(rsi, Address(rsp, 16)); // pass return value address | |
79 __ push(rdx); | |
80 __ push(rcx); | |
81 __ push(r8); | |
82 __ push(r9); | |
83 __ push(r10); | |
84 // XXX | |
85 __ mov(r10, rsp); | |
86 __ andptr(rsp, -16); | |
87 __ push(r10); | |
88 __ push(r11); | |
89 | |
90 __ movl(rdi, ThreadLocalStorage::thread_index()); | |
91 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, thr_getspecific))); | |
92 | |
93 __ pop(r11); | |
94 __ pop(rsp); | |
95 __ pop(r10); | |
96 __ pop(r9); | |
97 __ pop(r8); | |
98 __ pop(rcx); | |
99 __ pop(rdx); | |
100 __ pop(rsi); | |
101 __ pop(rdi); | |
102 __ pop(thread); // load return value | |
103 if (thread != rax) { | |
104 __ pop(rax); | |
105 } | |
0 | 106 } |
304 | 107 #endif //LP64 |
108 | |
109 void MacroAssembler::get_thread(Register thread) { | |
110 | |
111 int segment = NOT_LP64(Assembler::GS_segment) LP64_ONLY(Assembler::FS_segment); | |
112 // Try to emit a Solaris-specific fast TSD/TLS accessor. | |
113 ThreadLocalStorage::pd_tlsAccessMode tlsMode = ThreadLocalStorage::pd_getTlsAccessMode (); | |
114 if (tlsMode == ThreadLocalStorage::pd_tlsAccessIndirect) { // T1 | |
115 // Use thread as a temporary: mov r, gs:[0]; mov r, [r+tlsOffset] | |
116 emit_byte (segment); | |
117 // ExternalAddress doesn't work because it can't take NULL | |
118 AddressLiteral null(0, relocInfo::none); | |
119 movptr (thread, null); | |
120 movptr(thread, Address(thread, ThreadLocalStorage::pd_getTlsOffset())) ; | |
121 return ; | |
122 } else | |
123 if (tlsMode == ThreadLocalStorage::pd_tlsAccessDirect) { // T2 | |
124 // mov r, gs:[tlsOffset] | |
125 emit_byte (segment); | |
126 AddressLiteral tls_off((address)ThreadLocalStorage::pd_getTlsOffset(), relocInfo::none); | |
127 movptr (thread, tls_off); | |
128 return ; | |
129 } | |
130 | |
131 slow_call_thr_specific(this, thread); | |
132 | |
133 } |