Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/utilities/constantTag.hpp@78bbf4d43a14 (annotated)
src/share/vm/utilities/constantTag.hpp
Thu, 22 May 2014 15:52:41 -0400
- author
- drchase
- date
- Thu, 22 May 2014 15:52:41 -0400
- changeset 6680
- 78bbf4d43a14
- parent 5889
- 28ca974cc21a
- child 6876
- 710a3c8b516e
- child 9966
- baf9f57c9b46
- permissions
- -rw-r--r--
8037816: Fix for 8036122 breaks build with Xcode5/clang
8043029: Change 8037816 breaks HS build with older GCC versions which don't support diagnostic pragmas
8043164: Format warning in traceStream.hpp
Summary: Backport of main fix + two corrections, enables clang compilation, turns on format attributes, corrects/mutes warnings
Reviewed-by: kvn, coleenp, iveresov, twisti
| duke@435 | 1 | /* |
| coleenp@4643 | 2 | * Copyright (c) 1997, 2013, Oracle and/or its affiliates. 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 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| stefank@2314 | 25 | #ifndef SHARE_VM_UTILITIES_CONSTANTTAG_HPP |
| stefank@2314 | 26 | #define SHARE_VM_UTILITIES_CONSTANTTAG_HPP |
| stefank@2314 | 27 | |
| stefank@2314 | 28 | #include "prims/jvm.h" |
| stefank@2314 | 29 | #include "utilities/top.hpp" |
| stefank@2314 | 30 | |
| duke@435 | 31 | // constant tags in Java .class files |
| duke@435 | 32 | |
| duke@435 | 33 | |
| duke@435 | 34 | enum { |
| duke@435 | 35 | // See jvm.h for shared JVM_CONSTANT_XXX tags |
| duke@435 | 36 | // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/utilities/ConstantTag.java |
| duke@435 | 37 | // Hotspot specific tags |
| duke@435 | 38 | JVM_CONSTANT_Invalid = 0, // For bad value initialization |
| duke@435 | 39 | JVM_CONSTANT_InternalMin = 100, // First implementation tag (aside from bad value of course) |
| duke@435 | 40 | JVM_CONSTANT_UnresolvedClass = 100, // Temporary tag until actual use |
| duke@435 | 41 | JVM_CONSTANT_ClassIndex = 101, // Temporary tag while constructing constant pool |
| coleenp@4037 | 42 | JVM_CONSTANT_StringIndex = 102, // Temporary tag while constructing constant pool |
| coleenp@4037 | 43 | JVM_CONSTANT_UnresolvedClassInError = 103, // Error tag due to resolution error |
| coleenp@4037 | 44 | JVM_CONSTANT_MethodHandleInError = 104, // Error tag due to resolution error |
| coleenp@4037 | 45 | JVM_CONSTANT_MethodTypeInError = 105, // Error tag due to resolution error |
| coleenp@4643 | 46 | JVM_CONSTANT_InternalMax = 105 // Last implementation tag |
| duke@435 | 47 | }; |
| duke@435 | 48 | |
| duke@435 | 49 | |
| duke@435 | 50 | class constantTag VALUE_OBJ_CLASS_SPEC { |
| duke@435 | 51 | private: |
| duke@435 | 52 | jbyte _tag; |
| duke@435 | 53 | public: |
| duke@435 | 54 | bool is_klass() const { return _tag == JVM_CONSTANT_Class; } |
| duke@435 | 55 | bool is_field () const { return _tag == JVM_CONSTANT_Fieldref; } |
| duke@435 | 56 | bool is_method() const { return _tag == JVM_CONSTANT_Methodref; } |
| duke@435 | 57 | bool is_interface_method() const { return _tag == JVM_CONSTANT_InterfaceMethodref; } |
| duke@435 | 58 | bool is_string() const { return _tag == JVM_CONSTANT_String; } |
| duke@435 | 59 | bool is_int() const { return _tag == JVM_CONSTANT_Integer; } |
| duke@435 | 60 | bool is_float() const { return _tag == JVM_CONSTANT_Float; } |
| duke@435 | 61 | bool is_long() const { return _tag == JVM_CONSTANT_Long; } |
| duke@435 | 62 | bool is_double() const { return _tag == JVM_CONSTANT_Double; } |
| duke@435 | 63 | bool is_name_and_type() const { return _tag == JVM_CONSTANT_NameAndType; } |
| duke@435 | 64 | bool is_utf8() const { return _tag == JVM_CONSTANT_Utf8; } |
| duke@435 | 65 | |
| duke@435 | 66 | bool is_invalid() const { return _tag == JVM_CONSTANT_Invalid; } |
| duke@435 | 67 | |
| duke@435 | 68 | bool is_unresolved_klass() const { |
| duke@435 | 69 | return _tag == JVM_CONSTANT_UnresolvedClass || _tag == JVM_CONSTANT_UnresolvedClassInError; |
| duke@435 | 70 | } |
| duke@435 | 71 | |
| duke@435 | 72 | bool is_unresolved_klass_in_error() const { |
| duke@435 | 73 | return _tag == JVM_CONSTANT_UnresolvedClassInError; |
| duke@435 | 74 | } |
| duke@435 | 75 | |
| coleenp@4037 | 76 | bool is_method_handle_in_error() const { |
| coleenp@4037 | 77 | return _tag == JVM_CONSTANT_MethodHandleInError; |
| coleenp@4037 | 78 | } |
| coleenp@4037 | 79 | bool is_method_type_in_error() const { |
| coleenp@4037 | 80 | return _tag == JVM_CONSTANT_MethodTypeInError; |
| coleenp@4037 | 81 | } |
| coleenp@4037 | 82 | |
| duke@435 | 83 | bool is_klass_index() const { return _tag == JVM_CONSTANT_ClassIndex; } |
| duke@435 | 84 | bool is_string_index() const { return _tag == JVM_CONSTANT_StringIndex; } |
| duke@435 | 85 | |
| duke@435 | 86 | bool is_klass_reference() const { return is_klass_index() || is_unresolved_klass(); } |
| jrose@866 | 87 | bool is_klass_or_reference() const{ return is_klass() || is_klass_reference(); } |
| duke@435 | 88 | bool is_field_or_method() const { return is_field() || is_method() || is_interface_method(); } |
| duke@435 | 89 | bool is_symbol() const { return is_utf8(); } |
| duke@435 | 90 | |
| jrose@1957 | 91 | bool is_method_type() const { return _tag == JVM_CONSTANT_MethodType; } |
| jrose@1957 | 92 | bool is_method_handle() const { return _tag == JVM_CONSTANT_MethodHandle; } |
| jrose@2742 | 93 | bool is_invoke_dynamic() const { return _tag == JVM_CONSTANT_InvokeDynamic; } |
| jrose@1957 | 94 | |
| jrose@2268 | 95 | bool is_loadable_constant() const { |
| jrose@2268 | 96 | return ((_tag >= JVM_CONSTANT_Integer && _tag <= JVM_CONSTANT_String) || |
| jrose@2268 | 97 | is_method_type() || is_method_handle() || |
| coleenp@4643 | 98 | is_unresolved_klass()); |
| jrose@2268 | 99 | } |
| jrose@2268 | 100 | |
| jrose@1957 | 101 | constantTag() { |
| jrose@1957 | 102 | _tag = JVM_CONSTANT_Invalid; |
| jrose@1957 | 103 | } |
| duke@435 | 104 | constantTag(jbyte tag) { |
| duke@435 | 105 | assert((tag >= 0 && tag <= JVM_CONSTANT_NameAndType) || |
| jrose@2015 | 106 | (tag >= JVM_CONSTANT_MethodHandle && tag <= JVM_CONSTANT_InvokeDynamic) || |
| duke@435 | 107 | (tag >= JVM_CONSTANT_InternalMin && tag <= JVM_CONSTANT_InternalMax), "Invalid constant tag"); |
| duke@435 | 108 | _tag = tag; |
| duke@435 | 109 | } |
| duke@435 | 110 | |
| coleenp@5889 | 111 | jbyte value() const { return _tag; } |
| coleenp@5889 | 112 | jbyte non_error_value() const; |
| duke@435 | 113 | |
| jrose@1957 | 114 | BasicType basic_type() const; // if used with ldc, what kind of value gets pushed? |
| jrose@1957 | 115 | |
| jrose@1957 | 116 | const char* internal_name() const; // for error reporting |
| jrose@1957 | 117 | |
| duke@435 | 118 | void print_on(outputStream* st) const PRODUCT_RETURN; |
| duke@435 | 119 | }; |
| stefank@2314 | 120 | |
| stefank@2314 | 121 | #endif // SHARE_VM_UTILITIES_CONSTANTTAG_HPP |
