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comparison src/share/vm/prims/methodHandles.cpp @ 1330:4a9cc99938e3

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Merge
author acorn
date Fri, 26 Mar 2010 11:10:26 -0400
parents 9eba43136cb5
children cd5dbf694d45
comparison
equal deleted inserted replaced
1329:84043c7507b9 1330:4a9cc99938e3
1 /* 1 /*
2 * Copyright 2008-2009 Sun Microsystems, Inc. All Rights Reserved. 2 * Copyright 2008-2010 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
80 "adapter_spread_args/more", 80 "adapter_spread_args/more",
81 81
82 NULL 82 NULL
83 }; 83 };
84 84
85 // Adapters.
86 MethodHandlesAdapterBlob* MethodHandles::_adapter_code = NULL;
87 int MethodHandles::_adapter_code_size = StubRoutines::method_handles_adapters_code_size;
88
85 jobject MethodHandles::_raise_exception_method; 89 jobject MethodHandles::_raise_exception_method;
86 90
87 #ifdef ASSERT 91 #ifdef ASSERT
88 bool MethodHandles::spot_check_entry_names() { 92 bool MethodHandles::spot_check_entry_names() {
89 assert(!strcmp(entry_name(_invokestatic_mh), "invokestatic"), ""); 93 assert(!strcmp(entry_name(_invokestatic_mh), "invokestatic"), "");
92 assert(!strcmp(entry_name(_adapter_ricochet), "adapter_ricochet"), ""); 96 assert(!strcmp(entry_name(_adapter_ricochet), "adapter_ricochet"), "");
93 assert(!strcmp(entry_name(_adapter_opt_unboxi), "adapter_ref_to_prim/unboxi"), ""); 97 assert(!strcmp(entry_name(_adapter_opt_unboxi), "adapter_ref_to_prim/unboxi"), "");
94 return true; 98 return true;
95 } 99 }
96 #endif 100 #endif
101
102
103 //------------------------------------------------------------------------------
104 // MethodHandles::generate_adapters
105 //
106 void MethodHandles::generate_adapters() {
107 if (!EnableMethodHandles || SystemDictionary::MethodHandle_klass() == NULL) return;
108
109 assert(_adapter_code == NULL, "generate only once");
110
111 ResourceMark rm;
112 TraceTime timer("MethodHandles adapters generation", TraceStartupTime);
113 _adapter_code = MethodHandlesAdapterBlob::create(_adapter_code_size);
114 if (_adapter_code == NULL)
115 vm_exit_out_of_memory(_adapter_code_size, "CodeCache: no room for MethodHandles adapters");
116 CodeBuffer code(_adapter_code->instructions_begin(), _adapter_code->instructions_size());
117
118 MethodHandlesAdapterGenerator g(&code);
119 g.generate();
120 }
121
122
123 //------------------------------------------------------------------------------
124 // MethodHandlesAdapterGenerator::generate
125 //
126 void MethodHandlesAdapterGenerator::generate() {
127 // Generate generic method handle adapters.
128 for (MethodHandles::EntryKind ek = MethodHandles::_EK_FIRST;
129 ek < MethodHandles::_EK_LIMIT;
130 ek = MethodHandles::EntryKind(1 + (int)ek)) {
131 StubCodeMark mark(this, "MethodHandle", MethodHandles::entry_name(ek));
132 MethodHandles::generate_method_handle_stub(_masm, ek);
133 }
134 }
135
97 136
98 void MethodHandles::set_enabled(bool z) { 137 void MethodHandles::set_enabled(bool z) {
99 if (_enabled != z) { 138 if (_enabled != z) {
100 guarantee(z && EnableMethodHandles, "can only enable once, and only if -XX:+EnableMethodHandles"); 139 guarantee(z && EnableMethodHandles, "can only enable once, and only if -XX:+EnableMethodHandles");
101 _enabled = z; 140 _enabled = z;