Mercurial > hg > truffle
annotate src/share/vm/interpreter/interpreterRuntime.hpp @ 12161:e1fbb86b47e4
8016277: Crash in nmethod::is_compiled_by_c1() on x86
Summary: Method pointer for zombie methods may be invalid
Reviewed-by: kvn, coleenp
author | roland |
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date | Mon, 26 Aug 2013 16:12:20 +0200 |
parents | ca0165daa6ec |
children | 3cce976666d9 abe03600372a |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP |
26 #define SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP | |
27 | |
28 #include "interpreter/bytecode.hpp" | |
29 #include "interpreter/linkResolver.hpp" | |
30 #include "memory/universe.hpp" | |
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31 #include "oops/method.hpp" |
1972 | 32 #include "runtime/frame.inline.hpp" |
33 #include "runtime/signature.hpp" | |
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34 #include "runtime/thread.inline.hpp" |
1972 | 35 #include "utilities/top.hpp" |
36 | |
0 | 37 // The InterpreterRuntime is called by the interpreter for everything |
38 // that cannot/should not be dealt with in assembly and needs C support. | |
39 | |
40 class InterpreterRuntime: AllStatic { | |
41 friend class BytecodeClosure; // for method and bcp | |
42 friend class PrintingClosure; // for method and bcp | |
43 | |
44 private: | |
45 // Helper functions to access current interpreter state | |
46 static frame last_frame(JavaThread *thread) { return thread->last_frame(); } | |
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47 static Method* method(JavaThread *thread) { return last_frame(thread).interpreter_frame_method(); } |
0 | 48 static address bcp(JavaThread *thread) { return last_frame(thread).interpreter_frame_bcp(); } |
1602 | 49 static int bci(JavaThread *thread) { return last_frame(thread).interpreter_frame_bci(); } |
0 | 50 static void set_bcp_and_mdp(address bcp, JavaThread*thread); |
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51 static Bytecodes::Code code(JavaThread *thread) { |
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52 // pass method to avoid calling unsafe bcp_to_method (partial fix 4926272) |
2142 | 53 return Bytecodes::code_at(method(thread), bcp(thread)); |
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54 } |
0 | 55 static bool already_resolved(JavaThread *thread) { return cache_entry(thread)->is_resolved(code(thread)); } |
2142 | 56 static Bytecode bytecode(JavaThread *thread) { return Bytecode(method(thread), bcp(thread)); } |
1565 | 57 static int get_index_u1(JavaThread *thread, Bytecodes::Code bc) |
2142 | 58 { return bytecode(thread).get_index_u1(bc); } |
1565 | 59 static int get_index_u2(JavaThread *thread, Bytecodes::Code bc) |
2142 | 60 { return bytecode(thread).get_index_u2(bc); } |
1565 | 61 static int get_index_u2_cpcache(JavaThread *thread, Bytecodes::Code bc) |
2142 | 62 { return bytecode(thread).get_index_u2_cpcache(bc); } |
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63 static int get_index_u4(JavaThread *thread, Bytecodes::Code bc) |
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64 { return bytecode(thread).get_index_u4(bc); } |
0 | 65 static int number_of_dimensions(JavaThread *thread) { return bcp(thread)[3]; } |
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66 |
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67 static ConstantPoolCacheEntry* cache_entry_at(JavaThread *thread, int i) { return method(thread)->constants()->cache()->entry_at(i); } |
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68 static ConstantPoolCacheEntry* cache_entry(JavaThread *thread) { return cache_entry_at(thread, Bytes::get_native_u2(bcp(thread) + 1)); } |
0 | 69 static void note_trap(JavaThread *thread, int reason, TRAPS); |
70 | |
941 | 71 // Inner work method for Interpreter's frequency counter overflow |
72 static nmethod* frequency_counter_overflow_inner(JavaThread* thread, address branch_bcp); | |
73 | |
0 | 74 public: |
75 // Constants | |
76 static void ldc (JavaThread* thread, bool wide); | |
1602 | 77 static void resolve_ldc (JavaThread* thread, Bytecodes::Code bytecode); |
0 | 78 |
79 // Allocation | |
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80 static void _new (JavaThread* thread, ConstantPool* pool, int index); |
0 | 81 static void newarray (JavaThread* thread, BasicType type, jint size); |
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82 static void anewarray (JavaThread* thread, ConstantPool* pool, int index, jint size); |
0 | 83 static void multianewarray(JavaThread* thread, jint* first_size_address); |
84 static void register_finalizer(JavaThread* thread, oopDesc* obj); | |
85 | |
86 // Quicken instance-of and check-cast bytecodes | |
87 static void quicken_io_cc(JavaThread* thread); | |
88 | |
89 // Exceptions thrown by the interpreter | |
90 static void throw_AbstractMethodError(JavaThread* thread); | |
91 static void throw_IncompatibleClassChangeError(JavaThread* thread); | |
92 static void throw_StackOverflowError(JavaThread* thread); | |
93 static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread, char* name, jint index); | |
94 static void throw_ClassCastException(JavaThread* thread, oopDesc* obj); | |
95 static void create_exception(JavaThread* thread, char* name, char* message); | |
96 static void create_klass_exception(JavaThread* thread, char* name, oopDesc* obj); | |
97 static address exception_handler_for_exception(JavaThread* thread, oopDesc* exception); | |
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98 #if INCLUDE_JVMTI |
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99 static void member_name_arg_or_null(JavaThread* thread, address dmh, Method* m, address bcp); |
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100 #endif |
0 | 101 static void throw_pending_exception(JavaThread* thread); |
102 | |
103 // Statics & fields | |
104 static void resolve_get_put(JavaThread* thread, Bytecodes::Code bytecode); | |
105 | |
106 // Synchronization | |
107 static void monitorenter(JavaThread* thread, BasicObjectLock* elem); | |
108 static void monitorexit (JavaThread* thread, BasicObjectLock* elem); | |
109 | |
110 static void throw_illegal_monitor_state_exception(JavaThread* thread); | |
111 static void new_illegal_monitor_state_exception(JavaThread* thread); | |
112 | |
113 // Calls | |
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114 static void resolve_invoke (JavaThread* thread, Bytecodes::Code bytecode); |
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115 static void resolve_invokehandle (JavaThread* thread); |
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116 static void resolve_invokedynamic(JavaThread* thread); |
0 | 117 |
118 // Breakpoints | |
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119 static void _breakpoint(JavaThread* thread, Method* method, address bcp); |
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120 static Bytecodes::Code get_original_bytecode_at(JavaThread* thread, Method* method, address bcp); |
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121 static void set_original_bytecode_at(JavaThread* thread, Method* method, address bcp, Bytecodes::Code new_code); |
0 | 122 static bool is_breakpoint(JavaThread *thread) { return Bytecodes::code_or_bp_at(bcp(thread)) == Bytecodes::_breakpoint; } |
123 | |
124 // Safepoints | |
125 static void at_safepoint(JavaThread* thread); | |
126 | |
127 // Debugger support | |
128 static void post_field_access(JavaThread *thread, oopDesc* obj, | |
129 ConstantPoolCacheEntry *cp_entry); | |
130 static void post_field_modification(JavaThread *thread, oopDesc* obj, | |
131 ConstantPoolCacheEntry *cp_entry, jvalue *value); | |
132 static void post_method_entry(JavaThread *thread); | |
133 static void post_method_exit (JavaThread *thread); | |
134 static int interpreter_contains(address pc); | |
135 | |
136 // Native signature handlers | |
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137 static void prepare_native_call(JavaThread* thread, Method* method); |
0 | 138 static address slow_signature_handler(JavaThread* thread, |
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139 Method* method, |
0 | 140 intptr_t* from, intptr_t* to); |
141 | |
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142 #if defined(IA32) || defined(AMD64) || defined(ARM) |
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143 // Popframe support (only needed on x86, AMD64 and ARM) |
0 | 144 static void popframe_move_outgoing_args(JavaThread* thread, void* src_address, void* dest_address); |
145 #endif | |
146 | |
147 // Platform dependent stuff | |
1972 | 148 #ifdef TARGET_ARCH_x86 |
149 # include "interpreterRT_x86.hpp" | |
150 #endif | |
151 #ifdef TARGET_ARCH_sparc | |
152 # include "interpreterRT_sparc.hpp" | |
153 #endif | |
154 #ifdef TARGET_ARCH_zero | |
155 # include "interpreterRT_zero.hpp" | |
156 #endif | |
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157 #ifdef TARGET_ARCH_arm |
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158 # include "interpreterRT_arm.hpp" |
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159 #endif |
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160 #ifdef TARGET_ARCH_ppc |
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161 # include "interpreterRT_ppc.hpp" |
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162 #endif |
1972 | 163 |
0 | 164 |
165 // Interpreter's frequency counter overflow | |
166 static nmethod* frequency_counter_overflow(JavaThread* thread, address branch_bcp); | |
167 | |
168 // Interpreter profiling support | |
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169 static jint bcp_to_di(Method* method, address cur_bcp); |
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170 static void profile_method(JavaThread* thread); |
0 | 171 static void update_mdp_for_ret(JavaThread* thread, int bci); |
172 #ifdef ASSERT | |
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173 static void verify_mdp(Method* method, address bcp, address mdp); |
0 | 174 #endif // ASSERT |
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175 static MethodCounters* build_method_counters(JavaThread* thread, Method* m); |
0 | 176 }; |
177 | |
178 | |
179 class SignatureHandlerLibrary: public AllStatic { | |
180 public: | |
181 enum { buffer_size = 1*K }; // the size of the temporary code buffer | |
182 enum { blob_size = 32*K }; // the size of a handler code blob. | |
183 | |
184 private: | |
185 static BufferBlob* _handler_blob; // the current buffer blob containing the generated handlers | |
186 static address _handler; // next available address within _handler_blob; | |
187 static GrowableArray<uint64_t>* _fingerprints; // the fingerprint collection | |
188 static GrowableArray<address>* _handlers; // the corresponding handlers | |
189 static address _buffer; // the temporary code buffer | |
190 | |
191 static address set_handler_blob(); | |
192 static void initialize(); | |
193 static address set_handler(CodeBuffer* buffer); | |
194 static void pd_set_handler(address handler); | |
195 | |
196 public: | |
197 static void add(methodHandle method); | |
198 }; | |
1972 | 199 |
200 #endif // SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP |