Mon, 26 Apr 2010 23:59:45 -0700
6943485: JVMTI always on capabilities change code generation too much
Reviewed-by: twisti, dcubed
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright 1999-2005 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | // ciInstance |
duke@435 | 26 | // |
duke@435 | 27 | // This class represents an instanceOop in the HotSpot virtual |
duke@435 | 28 | // machine. This is an oop which corresponds to a non-array |
duke@435 | 29 | // instance of java.lang.Object. |
duke@435 | 30 | class ciInstance : public ciObject { |
duke@435 | 31 | CI_PACKAGE_ACCESS |
duke@435 | 32 | |
duke@435 | 33 | protected: |
duke@435 | 34 | ciInstance(instanceHandle h_i) : ciObject(h_i) { |
duke@435 | 35 | assert(h_i()->is_instance(), "wrong type"); |
duke@435 | 36 | } |
duke@435 | 37 | |
duke@435 | 38 | ciInstance(ciKlass* klass) : ciObject(klass) {} |
duke@435 | 39 | |
duke@435 | 40 | instanceOop get_instanceOop() { return (instanceOop)get_oop(); } |
duke@435 | 41 | |
duke@435 | 42 | const char* type_string() { return "ciInstance"; } |
duke@435 | 43 | |
duke@435 | 44 | void print_impl(outputStream* st); |
duke@435 | 45 | |
duke@435 | 46 | public: |
duke@435 | 47 | // If this object is a java mirror, return the corresponding type. |
duke@435 | 48 | // Otherwise, return NULL. |
duke@435 | 49 | // (Remember that a java mirror is an instance of java.lang.Class.) |
duke@435 | 50 | ciType* java_mirror_type(); |
duke@435 | 51 | |
duke@435 | 52 | // What kind of ciObject is this? |
duke@435 | 53 | bool is_instance() { return true; } |
duke@435 | 54 | bool is_java_object() { return true; } |
duke@435 | 55 | |
duke@435 | 56 | // Constant value of a field. |
duke@435 | 57 | ciConstant field_value(ciField* field); |
duke@435 | 58 | |
duke@435 | 59 | // Constant value of a field at the specified offset. |
duke@435 | 60 | ciConstant field_value_by_offset(int field_offset); |
duke@435 | 61 | }; |