annotate src/share/vm/runtime/stubRoutines.cpp @ 1768:6ee479178066

6979444: add command line option to print command line flags descriptions Summary: Implementation of a nonproduct boolean flag XX:PrintFlagsWithComments Reviewed-by: kamg, dholmes, dsamersoff
author ikrylov
date Tue, 31 Aug 2010 03:14:00 -0700
parents 3e8fbc61cee8
children 14197af1010e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1490
diff changeset
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load
duke
parents:
diff changeset
4 *
a61af66fc99e Initial load
duke
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load
duke
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load
duke
parents:
diff changeset
7 * published by the Free Software Foundation.
a61af66fc99e Initial load
duke
parents:
diff changeset
8 *
a61af66fc99e Initial load
duke
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load
duke
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load
duke
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load
duke
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load
duke
parents:
diff changeset
13 * accompanied this code).
a61af66fc99e Initial load
duke
parents:
diff changeset
14 *
a61af66fc99e Initial load
duke
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load
duke
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load
duke
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load
duke
parents:
diff changeset
18 *
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1490
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1490
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1490
diff changeset
21 * questions.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
22 *
a61af66fc99e Initial load
duke
parents:
diff changeset
23 */
a61af66fc99e Initial load
duke
parents:
diff changeset
24
a61af66fc99e Initial load
duke
parents:
diff changeset
25 #include "incls/_precompiled.incl"
a61af66fc99e Initial load
duke
parents:
diff changeset
26 #include "incls/_stubRoutines.cpp.incl"
a61af66fc99e Initial load
duke
parents:
diff changeset
27
a61af66fc99e Initial load
duke
parents:
diff changeset
28
a61af66fc99e Initial load
duke
parents:
diff changeset
29 // Implementation of StubRoutines - for a description
a61af66fc99e Initial load
duke
parents:
diff changeset
30 // of how to extend it, see the header file.
a61af66fc99e Initial load
duke
parents:
diff changeset
31
a61af66fc99e Initial load
duke
parents:
diff changeset
32 // Class Variables
a61af66fc99e Initial load
duke
parents:
diff changeset
33
a61af66fc99e Initial load
duke
parents:
diff changeset
34 BufferBlob* StubRoutines::_code1 = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
35 BufferBlob* StubRoutines::_code2 = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
36
a61af66fc99e Initial load
duke
parents:
diff changeset
37 address StubRoutines::_call_stub_return_address = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
38 address StubRoutines::_call_stub_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
39
a61af66fc99e Initial load
duke
parents:
diff changeset
40 address StubRoutines::_catch_exception_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
41 address StubRoutines::_forward_exception_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
42 address StubRoutines::_throw_AbstractMethodError_entry = NULL;
16
f8236e79048a 6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents: 0
diff changeset
43 address StubRoutines::_throw_IncompatibleClassChangeError_entry = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
44 address StubRoutines::_throw_ArithmeticException_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
45 address StubRoutines::_throw_NullPointerException_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
46 address StubRoutines::_throw_NullPointerException_at_call_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
47 address StubRoutines::_throw_StackOverflowError_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
48 address StubRoutines::_handler_for_unsafe_access_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
49 jint StubRoutines::_verify_oop_count = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
50 address StubRoutines::_verify_oop_subroutine_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
51 address StubRoutines::_atomic_xchg_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
52 address StubRoutines::_atomic_xchg_ptr_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
53 address StubRoutines::_atomic_store_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
54 address StubRoutines::_atomic_store_ptr_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
55 address StubRoutines::_atomic_cmpxchg_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
56 address StubRoutines::_atomic_cmpxchg_ptr_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
57 address StubRoutines::_atomic_cmpxchg_long_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
58 address StubRoutines::_atomic_add_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
59 address StubRoutines::_atomic_add_ptr_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
60 address StubRoutines::_fence_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
61 address StubRoutines::_d2i_wrapper = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
62 address StubRoutines::_d2l_wrapper = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
63
a61af66fc99e Initial load
duke
parents:
diff changeset
64 jint StubRoutines::_fpu_cntrl_wrd_std = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
65 jint StubRoutines::_fpu_cntrl_wrd_24 = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
66 jint StubRoutines::_fpu_cntrl_wrd_64 = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
67 jint StubRoutines::_fpu_cntrl_wrd_trunc = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
68 jint StubRoutines::_mxcsr_std = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
69 jint StubRoutines::_fpu_subnormal_bias1[3] = { 0, 0, 0 };
a61af66fc99e Initial load
duke
parents:
diff changeset
70 jint StubRoutines::_fpu_subnormal_bias2[3] = { 0, 0, 0 };
a61af66fc99e Initial load
duke
parents:
diff changeset
71
a61af66fc99e Initial load
duke
parents:
diff changeset
72 // Compiled code entry points default values
a61af66fc99e Initial load
duke
parents:
diff changeset
73 // The dafault functions don't have separate disjoint versions.
a61af66fc99e Initial load
duke
parents:
diff changeset
74 address StubRoutines::_jbyte_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::jbyte_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
75 address StubRoutines::_jshort_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::jshort_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
76 address StubRoutines::_jint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::jint_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
77 address StubRoutines::_jlong_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::jlong_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
78 address StubRoutines::_oop_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::oop_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
79 address StubRoutines::_jbyte_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::jbyte_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
80 address StubRoutines::_jshort_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::jshort_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
81 address StubRoutines::_jint_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::jint_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
82 address StubRoutines::_jlong_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::jlong_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
83 address StubRoutines::_oop_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::oop_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
84
a61af66fc99e Initial load
duke
parents:
diff changeset
85 address StubRoutines::_arrayof_jbyte_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_jbyte_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
86 address StubRoutines::_arrayof_jshort_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_jshort_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
87 address StubRoutines::_arrayof_jint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_jint_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
88 address StubRoutines::_arrayof_jlong_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_jlong_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
89 address StubRoutines::_arrayof_oop_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_oop_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
90 address StubRoutines::_arrayof_jbyte_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_jbyte_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
91 address StubRoutines::_arrayof_jshort_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_jshort_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
92 address StubRoutines::_arrayof_jint_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_jint_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
93 address StubRoutines::_arrayof_jlong_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_jlong_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
94 address StubRoutines::_arrayof_oop_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_oop_copy);
a61af66fc99e Initial load
duke
parents:
diff changeset
95
a61af66fc99e Initial load
duke
parents:
diff changeset
96 address StubRoutines::_checkcast_arraycopy = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
97 address StubRoutines::_unsafe_arraycopy = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
98 address StubRoutines::_generic_arraycopy = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
99
1174
ddb7834449d0 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 16
diff changeset
100 double (* StubRoutines::_intrinsic_log )(double) = NULL;
ddb7834449d0 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 16
diff changeset
101 double (* StubRoutines::_intrinsic_log10 )(double) = NULL;
ddb7834449d0 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 16
diff changeset
102 double (* StubRoutines::_intrinsic_exp )(double) = NULL;
ddb7834449d0 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 16
diff changeset
103 double (* StubRoutines::_intrinsic_pow )(double, double) = NULL;
ddb7834449d0 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 16
diff changeset
104 double (* StubRoutines::_intrinsic_sin )(double) = NULL;
ddb7834449d0 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 16
diff changeset
105 double (* StubRoutines::_intrinsic_cos )(double) = NULL;
ddb7834449d0 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 16
diff changeset
106 double (* StubRoutines::_intrinsic_tan )(double) = NULL;
ddb7834449d0 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 16
diff changeset
107
0
a61af66fc99e Initial load
duke
parents:
diff changeset
108 // Initialization
a61af66fc99e Initial load
duke
parents:
diff changeset
109 //
a61af66fc99e Initial load
duke
parents:
diff changeset
110 // Note: to break cycle with universe initialization, stubs are generated in two phases.
a61af66fc99e Initial load
duke
parents:
diff changeset
111 // The first one generates stubs needed during universe init (e.g., _handle_must_compile_first_entry).
a61af66fc99e Initial load
duke
parents:
diff changeset
112 // The second phase includes all other stubs (which may depend on universe being initialized.)
a61af66fc99e Initial load
duke
parents:
diff changeset
113
a61af66fc99e Initial load
duke
parents:
diff changeset
114 extern void StubGenerator_generate(CodeBuffer* code, bool all); // only interface to generators
a61af66fc99e Initial load
duke
parents:
diff changeset
115
a61af66fc99e Initial load
duke
parents:
diff changeset
116 void StubRoutines::initialize1() {
a61af66fc99e Initial load
duke
parents:
diff changeset
117 if (_code1 == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
118 ResourceMark rm;
a61af66fc99e Initial load
duke
parents:
diff changeset
119 TraceTime timer("StubRoutines generation 1", TraceStartupTime);
a61af66fc99e Initial load
duke
parents:
diff changeset
120 _code1 = BufferBlob::create("StubRoutines (1)", code_size1);
1490
f03d0a26bf83 6888954: argument formatting for assert() and friends
jcoomes
parents: 1245
diff changeset
121 if (_code1 == NULL) {
1748
3e8fbc61cee8 6978355: renaming for 6961697
twisti
parents: 1603
diff changeset
122 vm_exit_out_of_memory(code_size1, "CodeCache: no room for StubRoutines (1)");
1490
f03d0a26bf83 6888954: argument formatting for assert() and friends
jcoomes
parents: 1245
diff changeset
123 }
1748
3e8fbc61cee8 6978355: renaming for 6961697
twisti
parents: 1603
diff changeset
124 CodeBuffer buffer(_code1);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
125 StubGenerator_generate(&buffer, false);
a61af66fc99e Initial load
duke
parents:
diff changeset
126 }
a61af66fc99e Initial load
duke
parents:
diff changeset
127 }
a61af66fc99e Initial load
duke
parents:
diff changeset
128
a61af66fc99e Initial load
duke
parents:
diff changeset
129
a61af66fc99e Initial load
duke
parents:
diff changeset
130 #ifdef ASSERT
a61af66fc99e Initial load
duke
parents:
diff changeset
131 typedef void (*arraycopy_fn)(address src, address dst, int count);
a61af66fc99e Initial load
duke
parents:
diff changeset
132
a61af66fc99e Initial load
duke
parents:
diff changeset
133 // simple tests of generated arraycopy functions
a61af66fc99e Initial load
duke
parents:
diff changeset
134 static void test_arraycopy_func(address func, int alignment) {
a61af66fc99e Initial load
duke
parents:
diff changeset
135 int v = 0xcc;
a61af66fc99e Initial load
duke
parents:
diff changeset
136 int v2 = 0x11;
1603
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
137 jlong lbuffer[8];
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
138 jlong lbuffer2[8];
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
139 address fbuffer = (address) lbuffer;
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
140 address fbuffer2 = (address) lbuffer2;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
141 unsigned int i;
a61af66fc99e Initial load
duke
parents:
diff changeset
142 for (i = 0; i < sizeof(lbuffer); i++) {
1603
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
143 fbuffer[i] = v; fbuffer2[i] = v2;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
144 }
1603
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
145 // C++ does not guarantee jlong[] array alignment to 8 bytes.
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
146 // Use middle of array to check that memory before it is not modified.
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
147 address buffer = (address) round_to((intptr_t)&lbuffer[4], BytesPerLong);
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
148 address buffer2 = (address) round_to((intptr_t)&lbuffer2[4], BytesPerLong);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
149 // do an aligned copy
a61af66fc99e Initial load
duke
parents:
diff changeset
150 ((arraycopy_fn)func)(buffer, buffer2, 0);
a61af66fc99e Initial load
duke
parents:
diff changeset
151 for (i = 0; i < sizeof(lbuffer); i++) {
1603
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
152 assert(fbuffer[i] == v && fbuffer2[i] == v2, "shouldn't have copied anything");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
153 }
a61af66fc99e Initial load
duke
parents:
diff changeset
154 // adjust destination alignment
a61af66fc99e Initial load
duke
parents:
diff changeset
155 ((arraycopy_fn)func)(buffer, buffer2 + alignment, 0);
a61af66fc99e Initial load
duke
parents:
diff changeset
156 for (i = 0; i < sizeof(lbuffer); i++) {
1603
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
157 assert(fbuffer[i] == v && fbuffer2[i] == v2, "shouldn't have copied anything");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
158 }
a61af66fc99e Initial load
duke
parents:
diff changeset
159 // adjust source alignment
a61af66fc99e Initial load
duke
parents:
diff changeset
160 ((arraycopy_fn)func)(buffer + alignment, buffer2, 0);
a61af66fc99e Initial load
duke
parents:
diff changeset
161 for (i = 0; i < sizeof(lbuffer); i++) {
1603
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
162 assert(fbuffer[i] == v && fbuffer2[i] == v2, "shouldn't have copied anything");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
163 }
a61af66fc99e Initial load
duke
parents:
diff changeset
164 }
a61af66fc99e Initial load
duke
parents:
diff changeset
165 #endif
a61af66fc99e Initial load
duke
parents:
diff changeset
166
a61af66fc99e Initial load
duke
parents:
diff changeset
167
a61af66fc99e Initial load
duke
parents:
diff changeset
168 void StubRoutines::initialize2() {
a61af66fc99e Initial load
duke
parents:
diff changeset
169 if (_code2 == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
170 ResourceMark rm;
a61af66fc99e Initial load
duke
parents:
diff changeset
171 TraceTime timer("StubRoutines generation 2", TraceStartupTime);
a61af66fc99e Initial load
duke
parents:
diff changeset
172 _code2 = BufferBlob::create("StubRoutines (2)", code_size2);
1490
f03d0a26bf83 6888954: argument formatting for assert() and friends
jcoomes
parents: 1245
diff changeset
173 if (_code2 == NULL) {
1748
3e8fbc61cee8 6978355: renaming for 6961697
twisti
parents: 1603
diff changeset
174 vm_exit_out_of_memory(code_size2, "CodeCache: no room for StubRoutines (2)");
1490
f03d0a26bf83 6888954: argument formatting for assert() and friends
jcoomes
parents: 1245
diff changeset
175 }
1748
3e8fbc61cee8 6978355: renaming for 6961697
twisti
parents: 1603
diff changeset
176 CodeBuffer buffer(_code2);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
177 StubGenerator_generate(&buffer, true);
a61af66fc99e Initial load
duke
parents:
diff changeset
178 }
a61af66fc99e Initial load
duke
parents:
diff changeset
179
a61af66fc99e Initial load
duke
parents:
diff changeset
180 #ifdef ASSERT
a61af66fc99e Initial load
duke
parents:
diff changeset
181
a61af66fc99e Initial load
duke
parents:
diff changeset
182 #define TEST_ARRAYCOPY(type) \
a61af66fc99e Initial load
duke
parents:
diff changeset
183 test_arraycopy_func( type##_arraycopy(), sizeof(type)); \
a61af66fc99e Initial load
duke
parents:
diff changeset
184 test_arraycopy_func( type##_disjoint_arraycopy(), sizeof(type)); \
a61af66fc99e Initial load
duke
parents:
diff changeset
185 test_arraycopy_func(arrayof_##type##_arraycopy(), sizeof(HeapWord)); \
a61af66fc99e Initial load
duke
parents:
diff changeset
186 test_arraycopy_func(arrayof_##type##_disjoint_arraycopy(), sizeof(HeapWord))
a61af66fc99e Initial load
duke
parents:
diff changeset
187
1603
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
188 // Make sure all the arraycopy stubs properly handle zero count
0
a61af66fc99e Initial load
duke
parents:
diff changeset
189 TEST_ARRAYCOPY(jbyte);
a61af66fc99e Initial load
duke
parents:
diff changeset
190 TEST_ARRAYCOPY(jshort);
a61af66fc99e Initial load
duke
parents:
diff changeset
191 TEST_ARRAYCOPY(jint);
a61af66fc99e Initial load
duke
parents:
diff changeset
192 TEST_ARRAYCOPY(jlong);
a61af66fc99e Initial load
duke
parents:
diff changeset
193
a61af66fc99e Initial load
duke
parents:
diff changeset
194 #undef TEST_ARRAYCOPY
a61af66fc99e Initial load
duke
parents:
diff changeset
195
1603
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
196 #define TEST_COPYRTN(type) \
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
197 test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::conjoint_##type##s_atomic), sizeof(type)); \
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
198 test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::arrayof_conjoint_##type##s), (int)MAX2(sizeof(HeapWord), sizeof(type)))
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
199
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
200 // Make sure all the copy runtime routines properly handle zero count
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
201 TEST_COPYRTN(jbyte);
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
202 TEST_COPYRTN(jshort);
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
203 TEST_COPYRTN(jint);
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
204 TEST_COPYRTN(jlong);
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
205
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
206 #undef TEST_COPYRTN
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
207
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
208 test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::conjoint_words), sizeof(HeapWord));
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
209 test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::disjoint_words), sizeof(HeapWord));
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
210 test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::disjoint_words_atomic), sizeof(HeapWord));
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
211 // Aligned to BytesPerLong
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
212 test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::aligned_conjoint_words), sizeof(jlong));
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
213 test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::aligned_disjoint_words), sizeof(jlong));
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
214
0
a61af66fc99e Initial load
duke
parents:
diff changeset
215 #endif
a61af66fc99e Initial load
duke
parents:
diff changeset
216 }
a61af66fc99e Initial load
duke
parents:
diff changeset
217
a61af66fc99e Initial load
duke
parents:
diff changeset
218
a61af66fc99e Initial load
duke
parents:
diff changeset
219 void stubRoutines_init1() { StubRoutines::initialize1(); }
a61af66fc99e Initial load
duke
parents:
diff changeset
220 void stubRoutines_init2() { StubRoutines::initialize2(); }
a61af66fc99e Initial load
duke
parents:
diff changeset
221
a61af66fc99e Initial load
duke
parents:
diff changeset
222 //
a61af66fc99e Initial load
duke
parents:
diff changeset
223 // Default versions of arraycopy functions
a61af66fc99e Initial load
duke
parents:
diff changeset
224 //
a61af66fc99e Initial load
duke
parents:
diff changeset
225
1245
6484c4ee11cb 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 1174
diff changeset
226 static void gen_arraycopy_barrier_pre(oop* dest, size_t count) {
6484c4ee11cb 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 1174
diff changeset
227 assert(count != 0, "count should be non-zero");
6484c4ee11cb 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 1174
diff changeset
228 assert(count <= (size_t)max_intx, "count too large");
6484c4ee11cb 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 1174
diff changeset
229 BarrierSet* bs = Universe::heap()->barrier_set();
6484c4ee11cb 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 1174
diff changeset
230 assert(bs->has_write_ref_array_pre_opt(), "Must have pre-barrier opt");
6484c4ee11cb 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 1174
diff changeset
231 bs->write_ref_array_pre(dest, (int)count);
6484c4ee11cb 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 1174
diff changeset
232 }
6484c4ee11cb 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 1174
diff changeset
233
0
a61af66fc99e Initial load
duke
parents:
diff changeset
234 static void gen_arraycopy_barrier(oop* dest, size_t count) {
a61af66fc99e Initial load
duke
parents:
diff changeset
235 assert(count != 0, "count should be non-zero");
a61af66fc99e Initial load
duke
parents:
diff changeset
236 BarrierSet* bs = Universe::heap()->barrier_set();
a61af66fc99e Initial load
duke
parents:
diff changeset
237 assert(bs->has_write_ref_array_opt(), "Barrier set must have ref array opt");
1245
6484c4ee11cb 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 1174
diff changeset
238 bs->write_ref_array((HeapWord*)dest, count);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
239 }
a61af66fc99e Initial load
duke
parents:
diff changeset
240
a61af66fc99e Initial load
duke
parents:
diff changeset
241 JRT_LEAF(void, StubRoutines::jbyte_copy(jbyte* src, jbyte* dest, size_t count))
a61af66fc99e Initial load
duke
parents:
diff changeset
242 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
243 SharedRuntime::_jbyte_array_copy_ctr++; // Slow-path byte array copy
a61af66fc99e Initial load
duke
parents:
diff changeset
244 #endif // !PRODUCT
1603
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
245 Copy::conjoint_jbytes_atomic(src, dest, count);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
246 JRT_END
a61af66fc99e Initial load
duke
parents:
diff changeset
247
a61af66fc99e Initial load
duke
parents:
diff changeset
248 JRT_LEAF(void, StubRoutines::jshort_copy(jshort* src, jshort* dest, size_t count))
a61af66fc99e Initial load
duke
parents:
diff changeset
249 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
250 SharedRuntime::_jshort_array_copy_ctr++; // Slow-path short/char array copy
a61af66fc99e Initial load
duke
parents:
diff changeset
251 #endif // !PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
252 Copy::conjoint_jshorts_atomic(src, dest, count);
a61af66fc99e Initial load
duke
parents:
diff changeset
253 JRT_END
a61af66fc99e Initial load
duke
parents:
diff changeset
254
a61af66fc99e Initial load
duke
parents:
diff changeset
255 JRT_LEAF(void, StubRoutines::jint_copy(jint* src, jint* dest, size_t count))
a61af66fc99e Initial load
duke
parents:
diff changeset
256 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
257 SharedRuntime::_jint_array_copy_ctr++; // Slow-path int/float array copy
a61af66fc99e Initial load
duke
parents:
diff changeset
258 #endif // !PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
259 Copy::conjoint_jints_atomic(src, dest, count);
a61af66fc99e Initial load
duke
parents:
diff changeset
260 JRT_END
a61af66fc99e Initial load
duke
parents:
diff changeset
261
a61af66fc99e Initial load
duke
parents:
diff changeset
262 JRT_LEAF(void, StubRoutines::jlong_copy(jlong* src, jlong* dest, size_t count))
a61af66fc99e Initial load
duke
parents:
diff changeset
263 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
264 SharedRuntime::_jlong_array_copy_ctr++; // Slow-path long/double array copy
a61af66fc99e Initial load
duke
parents:
diff changeset
265 #endif // !PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
266 Copy::conjoint_jlongs_atomic(src, dest, count);
a61af66fc99e Initial load
duke
parents:
diff changeset
267 JRT_END
a61af66fc99e Initial load
duke
parents:
diff changeset
268
a61af66fc99e Initial load
duke
parents:
diff changeset
269 JRT_LEAF(void, StubRoutines::oop_copy(oop* src, oop* dest, size_t count))
a61af66fc99e Initial load
duke
parents:
diff changeset
270 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
271 SharedRuntime::_oop_array_copy_ctr++; // Slow-path oop array copy
a61af66fc99e Initial load
duke
parents:
diff changeset
272 #endif // !PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
273 assert(count != 0, "count should be non-zero");
1245
6484c4ee11cb 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 1174
diff changeset
274 gen_arraycopy_barrier_pre(dest, count);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
275 Copy::conjoint_oops_atomic(src, dest, count);
a61af66fc99e Initial load
duke
parents:
diff changeset
276 gen_arraycopy_barrier(dest, count);
a61af66fc99e Initial load
duke
parents:
diff changeset
277 JRT_END
a61af66fc99e Initial load
duke
parents:
diff changeset
278
a61af66fc99e Initial load
duke
parents:
diff changeset
279 JRT_LEAF(void, StubRoutines::arrayof_jbyte_copy(HeapWord* src, HeapWord* dest, size_t count))
a61af66fc99e Initial load
duke
parents:
diff changeset
280 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
281 SharedRuntime::_jbyte_array_copy_ctr++; // Slow-path byte array copy
a61af66fc99e Initial load
duke
parents:
diff changeset
282 #endif // !PRODUCT
1603
d93949c5bdcc 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 1552
diff changeset
283 Copy::arrayof_conjoint_jbytes(src, dest, count);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
284 JRT_END
a61af66fc99e Initial load
duke
parents:
diff changeset
285
a61af66fc99e Initial load
duke
parents:
diff changeset
286 JRT_LEAF(void, StubRoutines::arrayof_jshort_copy(HeapWord* src, HeapWord* dest, size_t count))
a61af66fc99e Initial load
duke
parents:
diff changeset
287 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
288 SharedRuntime::_jshort_array_copy_ctr++; // Slow-path short/char array copy
a61af66fc99e Initial load
duke
parents:
diff changeset
289 #endif // !PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
290 Copy::arrayof_conjoint_jshorts(src, dest, count);
a61af66fc99e Initial load
duke
parents:
diff changeset
291 JRT_END
a61af66fc99e Initial load
duke
parents:
diff changeset
292
a61af66fc99e Initial load
duke
parents:
diff changeset
293 JRT_LEAF(void, StubRoutines::arrayof_jint_copy(HeapWord* src, HeapWord* dest, size_t count))
a61af66fc99e Initial load
duke
parents:
diff changeset
294 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
295 SharedRuntime::_jint_array_copy_ctr++; // Slow-path int/float array copy
a61af66fc99e Initial load
duke
parents:
diff changeset
296 #endif // !PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
297 Copy::arrayof_conjoint_jints(src, dest, count);
a61af66fc99e Initial load
duke
parents:
diff changeset
298 JRT_END
a61af66fc99e Initial load
duke
parents:
diff changeset
299
a61af66fc99e Initial load
duke
parents:
diff changeset
300 JRT_LEAF(void, StubRoutines::arrayof_jlong_copy(HeapWord* src, HeapWord* dest, size_t count))
a61af66fc99e Initial load
duke
parents:
diff changeset
301 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
302 SharedRuntime::_jlong_array_copy_ctr++; // Slow-path int/float array copy
a61af66fc99e Initial load
duke
parents:
diff changeset
303 #endif // !PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
304 Copy::arrayof_conjoint_jlongs(src, dest, count);
a61af66fc99e Initial load
duke
parents:
diff changeset
305 JRT_END
a61af66fc99e Initial load
duke
parents:
diff changeset
306
a61af66fc99e Initial load
duke
parents:
diff changeset
307 JRT_LEAF(void, StubRoutines::arrayof_oop_copy(HeapWord* src, HeapWord* dest, size_t count))
a61af66fc99e Initial load
duke
parents:
diff changeset
308 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
309 SharedRuntime::_oop_array_copy_ctr++; // Slow-path oop array copy
a61af66fc99e Initial load
duke
parents:
diff changeset
310 #endif // !PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
311 assert(count != 0, "count should be non-zero");
1245
6484c4ee11cb 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 1174
diff changeset
312 gen_arraycopy_barrier_pre((oop *) dest, count);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
313 Copy::arrayof_conjoint_oops(src, dest, count);
a61af66fc99e Initial load
duke
parents:
diff changeset
314 gen_arraycopy_barrier((oop *) dest, count);
a61af66fc99e Initial load
duke
parents:
diff changeset
315 JRT_END