Mercurial > hg > truffle
annotate src/share/vm/runtime/stubRoutines.cpp @ 1490:f03d0a26bf83
6888954: argument formatting for assert() and friends
Reviewed-by: kvn, twisti, apetrusenko, never, dcubed
| author | jcoomes |
|---|---|
| date | Thu, 22 Apr 2010 13:23:15 -0700 |
| parents | 6484c4ee11cb |
| children | c18cbe5936b8 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright 1997-2010 Sun Microsystems, Inc. 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 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 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 | |
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100 double (* StubRoutines::_intrinsic_log )(double) = NULL; |
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101 double (* StubRoutines::_intrinsic_log10 )(double) = NULL; |
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102 double (* StubRoutines::_intrinsic_exp )(double) = NULL; |
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103 double (* StubRoutines::_intrinsic_pow )(double, double) = NULL; |
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104 double (* StubRoutines::_intrinsic_sin )(double) = NULL; |
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105 double (* StubRoutines::_intrinsic_cos )(double) = NULL; |
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106 double (* StubRoutines::_intrinsic_tan )(double) = NULL; |
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107 |
| 0 | 108 // Initialization |
| 109 // | |
| 110 // Note: to break cycle with universe initialization, stubs are generated in two phases. | |
| 111 // The first one generates stubs needed during universe init (e.g., _handle_must_compile_first_entry). | |
| 112 // The second phase includes all other stubs (which may depend on universe being initialized.) | |
| 113 | |
| 114 extern void StubGenerator_generate(CodeBuffer* code, bool all); // only interface to generators | |
| 115 | |
| 116 void StubRoutines::initialize1() { | |
| 117 if (_code1 == NULL) { | |
| 118 ResourceMark rm; | |
| 119 TraceTime timer("StubRoutines generation 1", TraceStartupTime); | |
| 120 _code1 = BufferBlob::create("StubRoutines (1)", code_size1); | |
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121 if (_code1 == NULL) { |
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122 vm_exit_out_of_memory(code_size1, |
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123 "CodeCache: no room for StubRoutines (1)"); |
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124 } |
| 0 | 125 CodeBuffer buffer(_code1->instructions_begin(), _code1->instructions_size()); |
| 126 StubGenerator_generate(&buffer, false); | |
| 127 } | |
| 128 } | |
| 129 | |
| 130 | |
| 131 #ifdef ASSERT | |
| 132 typedef void (*arraycopy_fn)(address src, address dst, int count); | |
| 133 | |
| 134 // simple tests of generated arraycopy functions | |
| 135 static void test_arraycopy_func(address func, int alignment) { | |
| 136 int v = 0xcc; | |
| 137 int v2 = 0x11; | |
| 138 jlong lbuffer[2]; | |
| 139 jlong lbuffer2[2]; | |
| 140 address buffer = (address) lbuffer; | |
| 141 address buffer2 = (address) lbuffer2; | |
| 142 unsigned int i; | |
| 143 for (i = 0; i < sizeof(lbuffer); i++) { | |
| 144 buffer[i] = v; buffer2[i] = v2; | |
| 145 } | |
| 146 // do an aligned copy | |
| 147 ((arraycopy_fn)func)(buffer, buffer2, 0); | |
| 148 for (i = 0; i < sizeof(lbuffer); i++) { | |
| 149 assert(buffer[i] == v && buffer2[i] == v2, "shouldn't have copied anything"); | |
| 150 } | |
| 151 // adjust destination alignment | |
| 152 ((arraycopy_fn)func)(buffer, buffer2 + alignment, 0); | |
| 153 for (i = 0; i < sizeof(lbuffer); i++) { | |
| 154 assert(buffer[i] == v && buffer2[i] == v2, "shouldn't have copied anything"); | |
| 155 } | |
| 156 // adjust source alignment | |
| 157 ((arraycopy_fn)func)(buffer + alignment, buffer2, 0); | |
| 158 for (i = 0; i < sizeof(lbuffer); i++) { | |
| 159 assert(buffer[i] == v && buffer2[i] == v2, "shouldn't have copied anything"); | |
| 160 } | |
| 161 } | |
| 162 #endif | |
| 163 | |
| 164 | |
| 165 void StubRoutines::initialize2() { | |
| 166 if (_code2 == NULL) { | |
| 167 ResourceMark rm; | |
| 168 TraceTime timer("StubRoutines generation 2", TraceStartupTime); | |
| 169 _code2 = BufferBlob::create("StubRoutines (2)", code_size2); | |
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170 if (_code2 == NULL) { |
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171 vm_exit_out_of_memory(code_size2, |
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172 "CodeCache: no room for StubRoutines (2)"); |
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173 } |
| 0 | 174 CodeBuffer buffer(_code2->instructions_begin(), _code2->instructions_size()); |
| 175 StubGenerator_generate(&buffer, true); | |
| 176 } | |
| 177 | |
| 178 #ifdef ASSERT | |
| 179 | |
| 180 #define TEST_ARRAYCOPY(type) \ | |
| 181 test_arraycopy_func( type##_arraycopy(), sizeof(type)); \ | |
| 182 test_arraycopy_func( type##_disjoint_arraycopy(), sizeof(type)); \ | |
| 183 test_arraycopy_func(arrayof_##type##_arraycopy(), sizeof(HeapWord)); \ | |
| 184 test_arraycopy_func(arrayof_##type##_disjoint_arraycopy(), sizeof(HeapWord)) | |
| 185 | |
| 186 // Make sure all the arraycopy stubs properly handle zeros | |
| 187 TEST_ARRAYCOPY(jbyte); | |
| 188 TEST_ARRAYCOPY(jshort); | |
| 189 TEST_ARRAYCOPY(jint); | |
| 190 TEST_ARRAYCOPY(jlong); | |
| 191 | |
| 192 #undef TEST_ARRAYCOPY | |
| 193 | |
| 194 #endif | |
| 195 } | |
| 196 | |
| 197 | |
| 198 void stubRoutines_init1() { StubRoutines::initialize1(); } | |
| 199 void stubRoutines_init2() { StubRoutines::initialize2(); } | |
| 200 | |
| 201 // | |
| 202 // Default versions of arraycopy functions | |
| 203 // | |
| 204 | |
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205 static void gen_arraycopy_barrier_pre(oop* dest, size_t count) { |
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206 assert(count != 0, "count should be non-zero"); |
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207 assert(count <= (size_t)max_intx, "count too large"); |
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208 BarrierSet* bs = Universe::heap()->barrier_set(); |
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209 assert(bs->has_write_ref_array_pre_opt(), "Must have pre-barrier opt"); |
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210 bs->write_ref_array_pre(dest, (int)count); |
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211 } |
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212 |
| 0 | 213 static void gen_arraycopy_barrier(oop* dest, size_t count) { |
| 214 assert(count != 0, "count should be non-zero"); | |
| 215 BarrierSet* bs = Universe::heap()->barrier_set(); | |
| 216 assert(bs->has_write_ref_array_opt(), "Barrier set must have ref array opt"); | |
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217 bs->write_ref_array((HeapWord*)dest, count); |
| 0 | 218 } |
| 219 | |
| 220 JRT_LEAF(void, StubRoutines::jbyte_copy(jbyte* src, jbyte* dest, size_t count)) | |
| 221 #ifndef PRODUCT | |
| 222 SharedRuntime::_jbyte_array_copy_ctr++; // Slow-path byte array copy | |
| 223 #endif // !PRODUCT | |
| 224 assert(count != 0, "count should be non-zero"); | |
| 225 Copy::conjoint_bytes_atomic(src, dest, count); | |
| 226 JRT_END | |
| 227 | |
| 228 JRT_LEAF(void, StubRoutines::jshort_copy(jshort* src, jshort* dest, size_t count)) | |
| 229 #ifndef PRODUCT | |
| 230 SharedRuntime::_jshort_array_copy_ctr++; // Slow-path short/char array copy | |
| 231 #endif // !PRODUCT | |
| 232 assert(count != 0, "count should be non-zero"); | |
| 233 Copy::conjoint_jshorts_atomic(src, dest, count); | |
| 234 JRT_END | |
| 235 | |
| 236 JRT_LEAF(void, StubRoutines::jint_copy(jint* src, jint* dest, size_t count)) | |
| 237 #ifndef PRODUCT | |
| 238 SharedRuntime::_jint_array_copy_ctr++; // Slow-path int/float array copy | |
| 239 #endif // !PRODUCT | |
| 240 assert(count != 0, "count should be non-zero"); | |
| 241 Copy::conjoint_jints_atomic(src, dest, count); | |
| 242 JRT_END | |
| 243 | |
| 244 JRT_LEAF(void, StubRoutines::jlong_copy(jlong* src, jlong* dest, size_t count)) | |
| 245 #ifndef PRODUCT | |
| 246 SharedRuntime::_jlong_array_copy_ctr++; // Slow-path long/double array copy | |
| 247 #endif // !PRODUCT | |
| 248 assert(count != 0, "count should be non-zero"); | |
| 249 Copy::conjoint_jlongs_atomic(src, dest, count); | |
| 250 JRT_END | |
| 251 | |
| 252 JRT_LEAF(void, StubRoutines::oop_copy(oop* src, oop* dest, size_t count)) | |
| 253 #ifndef PRODUCT | |
| 254 SharedRuntime::_oop_array_copy_ctr++; // Slow-path oop array copy | |
| 255 #endif // !PRODUCT | |
| 256 assert(count != 0, "count should be non-zero"); | |
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257 gen_arraycopy_barrier_pre(dest, count); |
| 0 | 258 Copy::conjoint_oops_atomic(src, dest, count); |
| 259 gen_arraycopy_barrier(dest, count); | |
| 260 JRT_END | |
| 261 | |
| 262 JRT_LEAF(void, StubRoutines::arrayof_jbyte_copy(HeapWord* src, HeapWord* dest, size_t count)) | |
| 263 #ifndef PRODUCT | |
| 264 SharedRuntime::_jbyte_array_copy_ctr++; // Slow-path byte array copy | |
| 265 #endif // !PRODUCT | |
| 266 assert(count != 0, "count should be non-zero"); | |
| 267 Copy::arrayof_conjoint_bytes(src, dest, count); | |
| 268 JRT_END | |
| 269 | |
| 270 JRT_LEAF(void, StubRoutines::arrayof_jshort_copy(HeapWord* src, HeapWord* dest, size_t count)) | |
| 271 #ifndef PRODUCT | |
| 272 SharedRuntime::_jshort_array_copy_ctr++; // Slow-path short/char array copy | |
| 273 #endif // !PRODUCT | |
| 274 assert(count != 0, "count should be non-zero"); | |
| 275 Copy::arrayof_conjoint_jshorts(src, dest, count); | |
| 276 JRT_END | |
| 277 | |
| 278 JRT_LEAF(void, StubRoutines::arrayof_jint_copy(HeapWord* src, HeapWord* dest, size_t count)) | |
| 279 #ifndef PRODUCT | |
| 280 SharedRuntime::_jint_array_copy_ctr++; // Slow-path int/float array copy | |
| 281 #endif // !PRODUCT | |
| 282 assert(count != 0, "count should be non-zero"); | |
| 283 Copy::arrayof_conjoint_jints(src, dest, count); | |
| 284 JRT_END | |
| 285 | |
| 286 JRT_LEAF(void, StubRoutines::arrayof_jlong_copy(HeapWord* src, HeapWord* dest, size_t count)) | |
| 287 #ifndef PRODUCT | |
| 288 SharedRuntime::_jlong_array_copy_ctr++; // Slow-path int/float array copy | |
| 289 #endif // !PRODUCT | |
| 290 assert(count != 0, "count should be non-zero"); | |
| 291 Copy::arrayof_conjoint_jlongs(src, dest, count); | |
| 292 JRT_END | |
| 293 | |
| 294 JRT_LEAF(void, StubRoutines::arrayof_oop_copy(HeapWord* src, HeapWord* dest, size_t count)) | |
| 295 #ifndef PRODUCT | |
| 296 SharedRuntime::_oop_array_copy_ctr++; // Slow-path oop array copy | |
| 297 #endif // !PRODUCT | |
| 298 assert(count != 0, "count should be non-zero"); | |
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299 gen_arraycopy_barrier_pre((oop *) dest, count); |
| 0 | 300 Copy::arrayof_conjoint_oops(src, dest, count); |
| 301 gen_arraycopy_barrier((oop *) dest, count); | |
| 302 JRT_END |