1 /*
2 * Copyright (c) 1997, 2012, 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 *
206
207 // These are versions of the java.lang.Math methods which perform
208 // the same operations as the intrinsic version. They are used for
209 // constant folding in the compiler to ensure equivalence. If the
210 // intrinsic version returns the same result as the strict version
211 // then they can be set to the appropriate function from
212 // SharedRuntime.
213 static double (*_intrinsic_log)(double);
214 static double (*_intrinsic_log10)(double);
215 static double (*_intrinsic_exp)(double);
216 static double (*_intrinsic_pow)(double, double);
217 static double (*_intrinsic_sin)(double);
218 static double (*_intrinsic_cos)(double);
219 static double (*_intrinsic_tan)(double);
220
221 public:
222 // Initialization/Testing
223 static void initialize1(); // must happen before universe::genesis
224 static void initialize2(); // must happen after universe::genesis
225
226 static bool contains(address addr) {
227 return
228 (_code1 != NULL && _code1->blob_contains(addr)) ||
229 (_code2 != NULL && _code2->blob_contains(addr)) ;
230 }
231
232 static CodeBlob* code1() { return _code1; }
233 static CodeBlob* code2() { return _code2; }
234
235 // Debugging
236 static jint verify_oop_count() { return _verify_oop_count; }
237 static jint* verify_oop_count_addr() { return &_verify_oop_count; }
238 // a subroutine for debugging the GC
239 static address verify_oop_subroutine_entry_address() { return (address)&_verify_oop_subroutine_entry; }
240
241 static address catch_exception_entry() { return _catch_exception_entry; }
242
243 // Calls to Java
244 typedef void (*CallStub)(
245 address link,
|
1 /*
2 * Copyright (c) 1997, 2013, 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 *
206
207 // These are versions of the java.lang.Math methods which perform
208 // the same operations as the intrinsic version. They are used for
209 // constant folding in the compiler to ensure equivalence. If the
210 // intrinsic version returns the same result as the strict version
211 // then they can be set to the appropriate function from
212 // SharedRuntime.
213 static double (*_intrinsic_log)(double);
214 static double (*_intrinsic_log10)(double);
215 static double (*_intrinsic_exp)(double);
216 static double (*_intrinsic_pow)(double, double);
217 static double (*_intrinsic_sin)(double);
218 static double (*_intrinsic_cos)(double);
219 static double (*_intrinsic_tan)(double);
220
221 public:
222 // Initialization/Testing
223 static void initialize1(); // must happen before universe::genesis
224 static void initialize2(); // must happen after universe::genesis
225
226 static bool is_stub_code(address addr) { return contains(addr); }
227
228 static bool contains(address addr) {
229 return
230 (_code1 != NULL && _code1->blob_contains(addr)) ||
231 (_code2 != NULL && _code2->blob_contains(addr)) ;
232 }
233
234 static CodeBlob* code1() { return _code1; }
235 static CodeBlob* code2() { return _code2; }
236
237 // Debugging
238 static jint verify_oop_count() { return _verify_oop_count; }
239 static jint* verify_oop_count_addr() { return &_verify_oop_count; }
240 // a subroutine for debugging the GC
241 static address verify_oop_subroutine_entry_address() { return (address)&_verify_oop_subroutine_entry; }
242
243 static address catch_exception_entry() { return _catch_exception_entry; }
244
245 // Calls to Java
246 typedef void (*CallStub)(
247 address link,
|