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src/os_cpu/solaris_x86/vm/copy_solaris_x86.inline.hpp@9b8ce46870df
src/os_cpu/solaris_x86/vm/copy_solaris_x86.inline.hpp
Thu, 16 Feb 2012 17:12:49 -0800
- author
- kvn
- date
- Thu, 16 Feb 2012 17:12:49 -0800
- changeset 3577
- 9b8ce46870df
- parent 2314
- f95d63e2154a
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
7145346: VerifyStackAtCalls is broken
Summary: Replace call_epilog() encoding with macroassembler use. Moved duplicated code to x86.ad. Fixed return_addr() definition.
Reviewed-by: never
1 /*
2 * Copyright (c) 2003, 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 */
25 #ifndef OS_CPU_SOLARIS_X86_VM_COPY_SOLARIS_X86_INLINE_HPP
26 #define OS_CPU_SOLARIS_X86_VM_COPY_SOLARIS_X86_INLINE_HPP
28 static void pd_conjoint_words(HeapWord* from, HeapWord* to, size_t count) {
29 (void)memmove(to, from, count * HeapWordSize);
30 }
32 static void pd_disjoint_words(HeapWord* from, HeapWord* to, size_t count) {
33 #ifndef AMD64
34 (void)memcpy(to, from, count * HeapWordSize);
35 #else
36 switch (count) {
37 case 8: to[7] = from[7];
38 case 7: to[6] = from[6];
39 case 6: to[5] = from[5];
40 case 5: to[4] = from[4];
41 case 4: to[3] = from[3];
42 case 3: to[2] = from[2];
43 case 2: to[1] = from[1];
44 case 1: to[0] = from[0];
45 case 0: break;
46 default:
47 (void)memcpy(to, from, count * HeapWordSize);
48 break;
49 }
50 #endif // AMD64
51 }
53 static void pd_disjoint_words_atomic(HeapWord* from, HeapWord* to, size_t count) {
54 switch (count) {
55 case 8: to[7] = from[7];
56 case 7: to[6] = from[6];
57 case 6: to[5] = from[5];
58 case 5: to[4] = from[4];
59 case 4: to[3] = from[3];
60 case 3: to[2] = from[2];
61 case 2: to[1] = from[1];
62 case 1: to[0] = from[0];
63 case 0: break;
64 default: while (count-- > 0) {
65 *to++ = *from++;
66 }
67 break;
68 }
69 }
71 static void pd_aligned_conjoint_words(HeapWord* from, HeapWord* to, size_t count) {
72 (void)memmove(to, from, count * HeapWordSize);
73 }
75 static void pd_aligned_disjoint_words(HeapWord* from, HeapWord* to, size_t count) {
76 pd_disjoint_words(from, to, count);
77 }
79 static void pd_conjoint_bytes(void* from, void* to, size_t count) {
80 #ifdef AMD64
81 (void)memmove(to, from, count);
82 #else
83 _Copy_conjoint_bytes(from, to, count);
84 #endif // AMD64
85 }
87 static void pd_conjoint_bytes_atomic(void* from, void* to, size_t count) {
88 pd_conjoint_bytes(from, to, count);
89 }
91 static void pd_conjoint_jshorts_atomic(jshort* from, jshort* to, size_t count) {
92 _Copy_conjoint_jshorts_atomic(from, to, count);
93 }
95 static void pd_conjoint_jints_atomic(jint* from, jint* to, size_t count) {
96 _Copy_conjoint_jints_atomic(from, to, count);
97 }
99 static void pd_conjoint_jlongs_atomic(jlong* from, jlong* to, size_t count) {
100 // Guarantee use of fild/fistp or xmm regs via some asm code, because compilers won't.
101 _Copy_conjoint_jlongs_atomic(from, to, count);
102 }
104 static void pd_conjoint_oops_atomic(oop* from, oop* to, size_t count) {
105 #ifdef AMD64
106 assert(BytesPerLong == BytesPerOop, "jlongs and oops must be the same size");
107 _Copy_conjoint_jlongs_atomic((jlong*)from, (jlong*)to, count);
108 #else
109 _Copy_conjoint_jints_atomic((jint*)from, (jint*)to, count);
110 #endif // AMD64
111 }
113 static void pd_arrayof_conjoint_bytes(HeapWord* from, HeapWord* to, size_t count) {
114 _Copy_arrayof_conjoint_bytes(from, to, count);
115 }
117 static void pd_arrayof_conjoint_jshorts(HeapWord* from, HeapWord* to, size_t count) {
118 _Copy_arrayof_conjoint_jshorts(from, to, count);
119 }
121 static void pd_arrayof_conjoint_jints(HeapWord* from, HeapWord* to, size_t count) {
122 _Copy_arrayof_conjoint_jints(from, to, count);
123 }
125 static void pd_arrayof_conjoint_jlongs(HeapWord* from, HeapWord* to, size_t count) {
126 #ifdef AMD64
127 _Copy_arrayof_conjoint_jlongs(from, to, count);
128 #else
129 pd_conjoint_jlongs_atomic((jlong*)from, (jlong*)to, count);
130 #endif // AMD64
131 }
133 static void pd_arrayof_conjoint_oops(HeapWord* from, HeapWord* to, size_t count) {
134 #ifdef AMD64
135 assert(BytesPerLong == BytesPerOop, "jlongs and oops must be the same size");
136 _Copy_arrayof_conjoint_jlongs(from, to, count);
137 #else
138 assert(BytesPerInt == BytesPerOop, "jints and oops must be the same size");
139 _Copy_arrayof_conjoint_jints(from, to, count);
140 #endif // AMD64
141 }
143 #endif // OS_CPU_SOLARIS_X86_VM_COPY_SOLARIS_X86_INLINE_HPP
