Wed, 13 Mar 2013 09:44:45 +0100
8009761: Deoptimization on sparc doesn't set Llast_SP correctly in the interpreter frames it creates
Summary: deoptimization doesn't set up callee frames so that they restore caller frames correctly.
Reviewed-by: kvn
1 /*
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25 #ifndef SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP
26 #define SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP
28 #include "interpreter/bytecode.hpp"
29 #include "interpreter/linkResolver.hpp"
30 #include "memory/universe.hpp"
31 #include "oops/method.hpp"
32 #include "runtime/frame.inline.hpp"
33 #include "runtime/signature.hpp"
34 #include "runtime/thread.inline.hpp"
35 #include "utilities/top.hpp"
37 // The InterpreterRuntime is called by the interpreter for everything
38 // that cannot/should not be dealt with in assembly and needs C support.
40 class InterpreterRuntime: AllStatic {
41 friend class BytecodeClosure; // for method and bcp
42 friend class PrintingClosure; // for method and bcp
44 private:
45 // Helper functions to access current interpreter state
46 static frame last_frame(JavaThread *thread) { return thread->last_frame(); }
47 static Method* method(JavaThread *thread) { return last_frame(thread).interpreter_frame_method(); }
48 static address bcp(JavaThread *thread) { return last_frame(thread).interpreter_frame_bcp(); }
49 static int bci(JavaThread *thread) { return last_frame(thread).interpreter_frame_bci(); }
50 static void set_bcp_and_mdp(address bcp, JavaThread*thread);
51 static Bytecodes::Code code(JavaThread *thread) {
52 // pass method to avoid calling unsafe bcp_to_method (partial fix 4926272)
53 return Bytecodes::code_at(method(thread), bcp(thread));
54 }
55 static bool already_resolved(JavaThread *thread) { return cache_entry(thread)->is_resolved(code(thread)); }
56 static Bytecode bytecode(JavaThread *thread) { return Bytecode(method(thread), bcp(thread)); }
57 static int get_index_u1(JavaThread *thread, Bytecodes::Code bc)
58 { return bytecode(thread).get_index_u1(bc); }
59 static int get_index_u2(JavaThread *thread, Bytecodes::Code bc)
60 { return bytecode(thread).get_index_u2(bc); }
61 static int get_index_u2_cpcache(JavaThread *thread, Bytecodes::Code bc)
62 { return bytecode(thread).get_index_u2_cpcache(bc); }
63 static int get_index_u4(JavaThread *thread, Bytecodes::Code bc)
64 { return bytecode(thread).get_index_u4(bc); }
65 static int number_of_dimensions(JavaThread *thread) { return bcp(thread)[3]; }
67 static ConstantPoolCacheEntry* cache_entry_at(JavaThread *thread, int i) { return method(thread)->constants()->cache()->entry_at(i); }
68 static ConstantPoolCacheEntry* cache_entry(JavaThread *thread) { return cache_entry_at(thread, Bytes::get_native_u2(bcp(thread) + 1)); }
69 static void note_trap(JavaThread *thread, int reason, TRAPS);
71 // Inner work method for Interpreter's frequency counter overflow
72 static nmethod* frequency_counter_overflow_inner(JavaThread* thread, address branch_bcp);
74 public:
75 // Constants
76 static void ldc (JavaThread* thread, bool wide);
77 static void resolve_ldc (JavaThread* thread, Bytecodes::Code bytecode);
79 // Allocation
80 static void _new (JavaThread* thread, ConstantPool* pool, int index);
81 static void newarray (JavaThread* thread, BasicType type, jint size);
82 static void anewarray (JavaThread* thread, ConstantPool* pool, int index, jint size);
83 static void multianewarray(JavaThread* thread, jint* first_size_address);
84 static void register_finalizer(JavaThread* thread, oopDesc* obj);
86 // Quicken instance-of and check-cast bytecodes
87 static void quicken_io_cc(JavaThread* thread);
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);
98 static void throw_pending_exception(JavaThread* thread);
100 // Statics & fields
101 static void resolve_get_put(JavaThread* thread, Bytecodes::Code bytecode);
103 // Synchronization
104 static void monitorenter(JavaThread* thread, BasicObjectLock* elem);
105 static void monitorexit (JavaThread* thread, BasicObjectLock* elem);
107 static void throw_illegal_monitor_state_exception(JavaThread* thread);
108 static void new_illegal_monitor_state_exception(JavaThread* thread);
110 // Calls
111 static void resolve_invoke (JavaThread* thread, Bytecodes::Code bytecode);
112 static void resolve_invokehandle (JavaThread* thread);
113 static void resolve_invokedynamic(JavaThread* thread);
115 // Breakpoints
116 static void _breakpoint(JavaThread* thread, Method* method, address bcp);
117 static Bytecodes::Code get_original_bytecode_at(JavaThread* thread, Method* method, address bcp);
118 static void set_original_bytecode_at(JavaThread* thread, Method* method, address bcp, Bytecodes::Code new_code);
119 static bool is_breakpoint(JavaThread *thread) { return Bytecodes::code_or_bp_at(bcp(thread)) == Bytecodes::_breakpoint; }
121 // Safepoints
122 static void at_safepoint(JavaThread* thread);
124 // Debugger support
125 static void post_field_access(JavaThread *thread, oopDesc* obj,
126 ConstantPoolCacheEntry *cp_entry);
127 static void post_field_modification(JavaThread *thread, oopDesc* obj,
128 ConstantPoolCacheEntry *cp_entry, jvalue *value);
129 static void post_method_entry(JavaThread *thread);
130 static void post_method_exit (JavaThread *thread);
131 static int interpreter_contains(address pc);
133 // Native signature handlers
134 static void prepare_native_call(JavaThread* thread, Method* method);
135 static address slow_signature_handler(JavaThread* thread,
136 Method* method,
137 intptr_t* from, intptr_t* to);
139 #if defined(IA32) || defined(AMD64) || defined(ARM)
140 // Popframe support (only needed on x86, AMD64 and ARM)
141 static void popframe_move_outgoing_args(JavaThread* thread, void* src_address, void* dest_address);
142 #endif
144 // Platform dependent stuff
145 #ifdef TARGET_ARCH_x86
146 # include "interpreterRT_x86.hpp"
147 #endif
148 #ifdef TARGET_ARCH_sparc
149 # include "interpreterRT_sparc.hpp"
150 #endif
151 #ifdef TARGET_ARCH_zero
152 # include "interpreterRT_zero.hpp"
153 #endif
154 #ifdef TARGET_ARCH_arm
155 # include "interpreterRT_arm.hpp"
156 #endif
157 #ifdef TARGET_ARCH_ppc
158 # include "interpreterRT_ppc.hpp"
159 #endif
162 // Interpreter's frequency counter overflow
163 static nmethod* frequency_counter_overflow(JavaThread* thread, address branch_bcp);
165 // Interpreter profiling support
166 static jint bcp_to_di(Method* method, address cur_bcp);
167 static void profile_method(JavaThread* thread);
168 static void update_mdp_for_ret(JavaThread* thread, int bci);
169 #ifdef ASSERT
170 static void verify_mdp(Method* method, address bcp, address mdp);
171 #endif // ASSERT
172 };
175 class SignatureHandlerLibrary: public AllStatic {
176 public:
177 enum { buffer_size = 1*K }; // the size of the temporary code buffer
178 enum { blob_size = 32*K }; // the size of a handler code blob.
180 private:
181 static BufferBlob* _handler_blob; // the current buffer blob containing the generated handlers
182 static address _handler; // next available address within _handler_blob;
183 static GrowableArray<uint64_t>* _fingerprints; // the fingerprint collection
184 static GrowableArray<address>* _handlers; // the corresponding handlers
185 static address _buffer; // the temporary code buffer
187 static address set_handler_blob();
188 static void initialize();
189 static address set_handler(CodeBuffer* buffer);
190 static void pd_set_handler(address handler);
192 public:
193 static void add(methodHandle method);
194 };
196 #endif // SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP