Mercurial > hg > truffle
annotate src/share/vm/runtime/stubRoutines.cpp @ 1913:3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
Summary: Allow CONSTANT_InvokeDynamic nodes to have any number of extra operands.
Reviewed-by: twisti
author | jrose |
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date | Sat, 30 Oct 2010 13:08:23 -0700 |
parents | 14197af1010e |
children | f95d63e2154a |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2010, 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" | |
26 #include "incls/_stubRoutines.cpp.incl" | |
27 | |
28 | |
29 // Implementation of StubRoutines - for a description | |
30 // of how to extend it, see the header file. | |
31 | |
32 // Class Variables | |
33 | |
34 BufferBlob* StubRoutines::_code1 = NULL; | |
35 BufferBlob* StubRoutines::_code2 = NULL; | |
36 | |
37 address StubRoutines::_call_stub_return_address = NULL; | |
38 address StubRoutines::_call_stub_entry = NULL; | |
39 | |
40 address StubRoutines::_catch_exception_entry = NULL; | |
41 address StubRoutines::_forward_exception_entry = NULL; | |
42 address StubRoutines::_throw_AbstractMethodError_entry = NULL; | |
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43 address StubRoutines::_throw_IncompatibleClassChangeError_entry = NULL; |
0 | 44 address StubRoutines::_throw_ArithmeticException_entry = NULL; |
45 address StubRoutines::_throw_NullPointerException_entry = NULL; | |
46 address StubRoutines::_throw_NullPointerException_at_call_entry = NULL; | |
47 address StubRoutines::_throw_StackOverflowError_entry = NULL; | |
48 address StubRoutines::_handler_for_unsafe_access_entry = NULL; | |
49 jint StubRoutines::_verify_oop_count = 0; | |
50 address StubRoutines::_verify_oop_subroutine_entry = NULL; | |
51 address StubRoutines::_atomic_xchg_entry = NULL; | |
52 address StubRoutines::_atomic_xchg_ptr_entry = NULL; | |
53 address StubRoutines::_atomic_store_entry = NULL; | |
54 address StubRoutines::_atomic_store_ptr_entry = NULL; | |
55 address StubRoutines::_atomic_cmpxchg_entry = NULL; | |
56 address StubRoutines::_atomic_cmpxchg_ptr_entry = NULL; | |
57 address StubRoutines::_atomic_cmpxchg_long_entry = NULL; | |
58 address StubRoutines::_atomic_add_entry = NULL; | |
59 address StubRoutines::_atomic_add_ptr_entry = NULL; | |
60 address StubRoutines::_fence_entry = NULL; | |
61 address StubRoutines::_d2i_wrapper = NULL; | |
62 address StubRoutines::_d2l_wrapper = NULL; | |
63 | |
64 jint StubRoutines::_fpu_cntrl_wrd_std = 0; | |
65 jint StubRoutines::_fpu_cntrl_wrd_24 = 0; | |
66 jint StubRoutines::_fpu_cntrl_wrd_64 = 0; | |
67 jint StubRoutines::_fpu_cntrl_wrd_trunc = 0; | |
68 jint StubRoutines::_mxcsr_std = 0; | |
69 jint StubRoutines::_fpu_subnormal_bias1[3] = { 0, 0, 0 }; | |
70 jint StubRoutines::_fpu_subnormal_bias2[3] = { 0, 0, 0 }; | |
71 | |
72 // Compiled code entry points default values | |
73 // The dafault functions don't have separate disjoint versions. | |
74 address StubRoutines::_jbyte_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::jbyte_copy); | |
75 address StubRoutines::_jshort_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::jshort_copy); | |
76 address StubRoutines::_jint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::jint_copy); | |
77 address StubRoutines::_jlong_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::jlong_copy); | |
78 address StubRoutines::_oop_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::oop_copy); | |
79 address StubRoutines::_jbyte_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::jbyte_copy); | |
80 address StubRoutines::_jshort_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::jshort_copy); | |
81 address StubRoutines::_jint_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::jint_copy); | |
82 address StubRoutines::_jlong_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::jlong_copy); | |
83 address StubRoutines::_oop_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::oop_copy); | |
84 | |
85 address StubRoutines::_arrayof_jbyte_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_jbyte_copy); | |
86 address StubRoutines::_arrayof_jshort_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_jshort_copy); | |
87 address StubRoutines::_arrayof_jint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_jint_copy); | |
88 address StubRoutines::_arrayof_jlong_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_jlong_copy); | |
89 address StubRoutines::_arrayof_oop_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_oop_copy); | |
90 address StubRoutines::_arrayof_jbyte_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_jbyte_copy); | |
91 address StubRoutines::_arrayof_jshort_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_jshort_copy); | |
92 address StubRoutines::_arrayof_jint_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_jint_copy); | |
93 address StubRoutines::_arrayof_jlong_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_jlong_copy); | |
94 address StubRoutines::_arrayof_oop_disjoint_arraycopy = CAST_FROM_FN_PTR(address, StubRoutines::arrayof_oop_copy); | |
95 | |
96 address StubRoutines::_checkcast_arraycopy = NULL; | |
97 address StubRoutines::_unsafe_arraycopy = NULL; | |
98 address StubRoutines::_generic_arraycopy = NULL; | |
99 | |
1763 | 100 |
101 address StubRoutines::_jbyte_fill; | |
102 address StubRoutines::_jshort_fill; | |
103 address StubRoutines::_jint_fill; | |
104 address StubRoutines::_arrayof_jbyte_fill; | |
105 address StubRoutines::_arrayof_jshort_fill; | |
106 address StubRoutines::_arrayof_jint_fill; | |
107 | |
108 | |
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109 double (* StubRoutines::_intrinsic_log )(double) = NULL; |
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110 double (* StubRoutines::_intrinsic_log10 )(double) = NULL; |
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111 double (* StubRoutines::_intrinsic_exp )(double) = NULL; |
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112 double (* StubRoutines::_intrinsic_pow )(double, double) = NULL; |
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113 double (* StubRoutines::_intrinsic_sin )(double) = NULL; |
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114 double (* StubRoutines::_intrinsic_cos )(double) = NULL; |
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115 double (* StubRoutines::_intrinsic_tan )(double) = NULL; |
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116 |
0 | 117 // Initialization |
118 // | |
119 // Note: to break cycle with universe initialization, stubs are generated in two phases. | |
120 // The first one generates stubs needed during universe init (e.g., _handle_must_compile_first_entry). | |
121 // The second phase includes all other stubs (which may depend on universe being initialized.) | |
122 | |
123 extern void StubGenerator_generate(CodeBuffer* code, bool all); // only interface to generators | |
124 | |
125 void StubRoutines::initialize1() { | |
126 if (_code1 == NULL) { | |
127 ResourceMark rm; | |
128 TraceTime timer("StubRoutines generation 1", TraceStartupTime); | |
129 _code1 = BufferBlob::create("StubRoutines (1)", code_size1); | |
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130 if (_code1 == NULL) { |
1748 | 131 vm_exit_out_of_memory(code_size1, "CodeCache: no room for StubRoutines (1)"); |
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132 } |
1748 | 133 CodeBuffer buffer(_code1); |
0 | 134 StubGenerator_generate(&buffer, false); |
135 } | |
136 } | |
137 | |
138 | |
139 #ifdef ASSERT | |
140 typedef void (*arraycopy_fn)(address src, address dst, int count); | |
141 | |
142 // simple tests of generated arraycopy functions | |
143 static void test_arraycopy_func(address func, int alignment) { | |
144 int v = 0xcc; | |
145 int v2 = 0x11; | |
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146 jlong lbuffer[8]; |
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147 jlong lbuffer2[8]; |
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148 address fbuffer = (address) lbuffer; |
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149 address fbuffer2 = (address) lbuffer2; |
0 | 150 unsigned int i; |
151 for (i = 0; i < sizeof(lbuffer); i++) { | |
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152 fbuffer[i] = v; fbuffer2[i] = v2; |
0 | 153 } |
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154 // C++ does not guarantee jlong[] array alignment to 8 bytes. |
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155 // Use middle of array to check that memory before it is not modified. |
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156 address buffer = (address) round_to((intptr_t)&lbuffer[4], BytesPerLong); |
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157 address buffer2 = (address) round_to((intptr_t)&lbuffer2[4], BytesPerLong); |
0 | 158 // do an aligned copy |
159 ((arraycopy_fn)func)(buffer, buffer2, 0); | |
160 for (i = 0; i < sizeof(lbuffer); i++) { | |
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161 assert(fbuffer[i] == v && fbuffer2[i] == v2, "shouldn't have copied anything"); |
0 | 162 } |
163 // adjust destination alignment | |
164 ((arraycopy_fn)func)(buffer, buffer2 + alignment, 0); | |
165 for (i = 0; i < sizeof(lbuffer); i++) { | |
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166 assert(fbuffer[i] == v && fbuffer2[i] == v2, "shouldn't have copied anything"); |
0 | 167 } |
168 // adjust source alignment | |
169 ((arraycopy_fn)func)(buffer + alignment, buffer2, 0); | |
170 for (i = 0; i < sizeof(lbuffer); i++) { | |
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171 assert(fbuffer[i] == v && fbuffer2[i] == v2, "shouldn't have copied anything"); |
0 | 172 } |
173 } | |
174 #endif | |
175 | |
176 | |
177 void StubRoutines::initialize2() { | |
178 if (_code2 == NULL) { | |
179 ResourceMark rm; | |
180 TraceTime timer("StubRoutines generation 2", TraceStartupTime); | |
181 _code2 = BufferBlob::create("StubRoutines (2)", code_size2); | |
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182 if (_code2 == NULL) { |
1748 | 183 vm_exit_out_of_memory(code_size2, "CodeCache: no room for StubRoutines (2)"); |
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184 } |
1748 | 185 CodeBuffer buffer(_code2); |
0 | 186 StubGenerator_generate(&buffer, true); |
187 } | |
188 | |
189 #ifdef ASSERT | |
190 | |
191 #define TEST_ARRAYCOPY(type) \ | |
192 test_arraycopy_func( type##_arraycopy(), sizeof(type)); \ | |
193 test_arraycopy_func( type##_disjoint_arraycopy(), sizeof(type)); \ | |
194 test_arraycopy_func(arrayof_##type##_arraycopy(), sizeof(HeapWord)); \ | |
195 test_arraycopy_func(arrayof_##type##_disjoint_arraycopy(), sizeof(HeapWord)) | |
196 | |
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197 // Make sure all the arraycopy stubs properly handle zero count |
0 | 198 TEST_ARRAYCOPY(jbyte); |
199 TEST_ARRAYCOPY(jshort); | |
200 TEST_ARRAYCOPY(jint); | |
201 TEST_ARRAYCOPY(jlong); | |
202 | |
203 #undef TEST_ARRAYCOPY | |
204 | |
1763 | 205 #define TEST_FILL(type) \ |
206 if (_##type##_fill != NULL) { \ | |
207 union { \ | |
208 double d; \ | |
209 type body[96]; \ | |
210 } s; \ | |
211 \ | |
212 int v = 32; \ | |
213 for (int offset = -2; offset <= 2; offset++) { \ | |
214 for (int i = 0; i < 96; i++) { \ | |
215 s.body[i] = 1; \ | |
216 } \ | |
217 type* start = s.body + 8 + offset; \ | |
218 for (int aligned = 0; aligned < 2; aligned++) { \ | |
219 if (aligned) { \ | |
220 if (((intptr_t)start) % HeapWordSize == 0) { \ | |
221 ((void (*)(type*, int, int))StubRoutines::_arrayof_##type##_fill)(start, v, 80); \ | |
222 } else { \ | |
223 continue; \ | |
224 } \ | |
225 } else { \ | |
226 ((void (*)(type*, int, int))StubRoutines::_##type##_fill)(start, v, 80); \ | |
227 } \ | |
228 for (int i = 0; i < 96; i++) { \ | |
229 if (i < (8 + offset) || i >= (88 + offset)) { \ | |
230 assert(s.body[i] == 1, "what?"); \ | |
231 } else { \ | |
232 assert(s.body[i] == 32, "what?"); \ | |
233 } \ | |
234 } \ | |
235 } \ | |
236 } \ | |
237 } \ | |
238 | |
239 TEST_FILL(jbyte); | |
240 TEST_FILL(jshort); | |
241 TEST_FILL(jint); | |
242 | |
243 #undef TEST_FILL | |
244 | |
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245 #define TEST_COPYRTN(type) \ |
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246 test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::conjoint_##type##s_atomic), sizeof(type)); \ |
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247 test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::arrayof_conjoint_##type##s), (int)MAX2(sizeof(HeapWord), sizeof(type))) |
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248 |
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249 // Make sure all the copy runtime routines properly handle zero count |
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250 TEST_COPYRTN(jbyte); |
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251 TEST_COPYRTN(jshort); |
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252 TEST_COPYRTN(jint); |
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253 TEST_COPYRTN(jlong); |
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254 |
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255 #undef TEST_COPYRTN |
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256 |
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257 test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::conjoint_words), sizeof(HeapWord)); |
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258 test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::disjoint_words), sizeof(HeapWord)); |
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259 test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::disjoint_words_atomic), sizeof(HeapWord)); |
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260 // Aligned to BytesPerLong |
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261 test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::aligned_conjoint_words), sizeof(jlong)); |
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262 test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::aligned_disjoint_words), sizeof(jlong)); |
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263 |
0 | 264 #endif |
265 } | |
266 | |
267 | |
268 void stubRoutines_init1() { StubRoutines::initialize1(); } | |
269 void stubRoutines_init2() { StubRoutines::initialize2(); } | |
270 | |
271 // | |
272 // Default versions of arraycopy functions | |
273 // | |
274 | |
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275 static void gen_arraycopy_barrier_pre(oop* dest, size_t count) { |
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276 assert(count != 0, "count should be non-zero"); |
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277 assert(count <= (size_t)max_intx, "count too large"); |
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278 BarrierSet* bs = Universe::heap()->barrier_set(); |
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279 assert(bs->has_write_ref_array_pre_opt(), "Must have pre-barrier opt"); |
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280 bs->write_ref_array_pre(dest, (int)count); |
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281 } |
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282 |
0 | 283 static void gen_arraycopy_barrier(oop* dest, size_t count) { |
284 assert(count != 0, "count should be non-zero"); | |
285 BarrierSet* bs = Universe::heap()->barrier_set(); | |
286 assert(bs->has_write_ref_array_opt(), "Barrier set must have ref array opt"); | |
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287 bs->write_ref_array((HeapWord*)dest, count); |
0 | 288 } |
289 | |
290 JRT_LEAF(void, StubRoutines::jbyte_copy(jbyte* src, jbyte* dest, size_t count)) | |
291 #ifndef PRODUCT | |
292 SharedRuntime::_jbyte_array_copy_ctr++; // Slow-path byte array copy | |
293 #endif // !PRODUCT | |
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294 Copy::conjoint_jbytes_atomic(src, dest, count); |
0 | 295 JRT_END |
296 | |
297 JRT_LEAF(void, StubRoutines::jshort_copy(jshort* src, jshort* dest, size_t count)) | |
298 #ifndef PRODUCT | |
299 SharedRuntime::_jshort_array_copy_ctr++; // Slow-path short/char array copy | |
300 #endif // !PRODUCT | |
301 Copy::conjoint_jshorts_atomic(src, dest, count); | |
302 JRT_END | |
303 | |
304 JRT_LEAF(void, StubRoutines::jint_copy(jint* src, jint* dest, size_t count)) | |
305 #ifndef PRODUCT | |
306 SharedRuntime::_jint_array_copy_ctr++; // Slow-path int/float array copy | |
307 #endif // !PRODUCT | |
308 Copy::conjoint_jints_atomic(src, dest, count); | |
309 JRT_END | |
310 | |
311 JRT_LEAF(void, StubRoutines::jlong_copy(jlong* src, jlong* dest, size_t count)) | |
312 #ifndef PRODUCT | |
313 SharedRuntime::_jlong_array_copy_ctr++; // Slow-path long/double array copy | |
314 #endif // !PRODUCT | |
315 Copy::conjoint_jlongs_atomic(src, dest, count); | |
316 JRT_END | |
317 | |
318 JRT_LEAF(void, StubRoutines::oop_copy(oop* src, oop* dest, size_t count)) | |
319 #ifndef PRODUCT | |
320 SharedRuntime::_oop_array_copy_ctr++; // Slow-path oop array copy | |
321 #endif // !PRODUCT | |
322 assert(count != 0, "count should be non-zero"); | |
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323 gen_arraycopy_barrier_pre(dest, count); |
0 | 324 Copy::conjoint_oops_atomic(src, dest, count); |
325 gen_arraycopy_barrier(dest, count); | |
326 JRT_END | |
327 | |
328 JRT_LEAF(void, StubRoutines::arrayof_jbyte_copy(HeapWord* src, HeapWord* dest, size_t count)) | |
329 #ifndef PRODUCT | |
330 SharedRuntime::_jbyte_array_copy_ctr++; // Slow-path byte array copy | |
331 #endif // !PRODUCT | |
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332 Copy::arrayof_conjoint_jbytes(src, dest, count); |
0 | 333 JRT_END |
334 | |
335 JRT_LEAF(void, StubRoutines::arrayof_jshort_copy(HeapWord* src, HeapWord* dest, size_t count)) | |
336 #ifndef PRODUCT | |
337 SharedRuntime::_jshort_array_copy_ctr++; // Slow-path short/char array copy | |
338 #endif // !PRODUCT | |
339 Copy::arrayof_conjoint_jshorts(src, dest, count); | |
340 JRT_END | |
341 | |
342 JRT_LEAF(void, StubRoutines::arrayof_jint_copy(HeapWord* src, HeapWord* dest, size_t count)) | |
343 #ifndef PRODUCT | |
344 SharedRuntime::_jint_array_copy_ctr++; // Slow-path int/float array copy | |
345 #endif // !PRODUCT | |
346 Copy::arrayof_conjoint_jints(src, dest, count); | |
347 JRT_END | |
348 | |
349 JRT_LEAF(void, StubRoutines::arrayof_jlong_copy(HeapWord* src, HeapWord* dest, size_t count)) | |
350 #ifndef PRODUCT | |
351 SharedRuntime::_jlong_array_copy_ctr++; // Slow-path int/float array copy | |
352 #endif // !PRODUCT | |
353 Copy::arrayof_conjoint_jlongs(src, dest, count); | |
354 JRT_END | |
355 | |
356 JRT_LEAF(void, StubRoutines::arrayof_oop_copy(HeapWord* src, HeapWord* dest, size_t count)) | |
357 #ifndef PRODUCT | |
358 SharedRuntime::_oop_array_copy_ctr++; // Slow-path oop array copy | |
359 #endif // !PRODUCT | |
360 assert(count != 0, "count should be non-zero"); | |
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361 gen_arraycopy_barrier_pre((oop *) dest, count); |
0 | 362 Copy::arrayof_conjoint_oops(src, dest, count); |
363 gen_arraycopy_barrier((oop *) dest, count); | |
364 JRT_END | |
1763 | 365 |
366 | |
367 address StubRoutines::select_fill_function(BasicType t, bool aligned, const char* &name) { | |
368 #define RETURN_STUB(xxx_fill) { \ | |
369 name = #xxx_fill; \ | |
370 return StubRoutines::xxx_fill(); } | |
371 | |
372 switch (t) { | |
373 case T_BYTE: | |
374 case T_BOOLEAN: | |
375 if (!aligned) RETURN_STUB(jbyte_fill); | |
376 RETURN_STUB(arrayof_jbyte_fill); | |
377 case T_CHAR: | |
378 case T_SHORT: | |
379 if (!aligned) RETURN_STUB(jshort_fill); | |
380 RETURN_STUB(arrayof_jshort_fill); | |
381 case T_INT: | |
382 case T_FLOAT: | |
383 if (!aligned) RETURN_STUB(jint_fill); | |
384 RETURN_STUB(arrayof_jint_fill); | |
385 case T_DOUBLE: | |
386 case T_LONG: | |
387 case T_ARRAY: | |
388 case T_OBJECT: | |
389 case T_NARROWOOP: | |
390 case T_ADDRESS: | |
391 // Currently unsupported | |
392 return NULL; | |
393 | |
394 default: | |
395 ShouldNotReachHere(); | |
396 return NULL; | |
397 } | |
398 | |
399 #undef RETURN_STUB | |
400 } |