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src/hotspot/share/interpreter/interpreterRuntime.hpp

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  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"
  31 #include "oops/method.hpp"
  32 #include "runtime/frame.inline.hpp"
  33 #include "runtime/signature.hpp"
  34 #include "runtime/thread.hpp"
  35 #include "utilities/macros.hpp"
  36 
  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(); }
  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 Bytecode  bytecode(JavaThread *thread)      { return Bytecode(method(thread), bcp(thread)); }
  56   static int       get_index_u1(JavaThread *thread, Bytecodes::Code bc)
  57                                                         { return bytecode(thread).get_index_u1(bc); }
  58   static int       get_index_u2(JavaThread *thread, Bytecodes::Code bc)
  59                                                         { return bytecode(thread).get_index_u2(bc); }
  60   static int       get_index_u2_cpcache(JavaThread *thread, Bytecodes::Code bc)
  61                                                         { return bytecode(thread).get_index_u2_cpcache(bc); }
  62   static int       get_index_u4(JavaThread *thread, Bytecodes::Code bc)
  63                                                         { return bytecode(thread).get_index_u4(bc); }
  64   static int       number_of_dimensions(JavaThread *thread)  { return bcp(thread)[3]; }
  65 
  66   static ConstantPoolCacheEntry* cache_entry_at(JavaThread *thread, int i)  { return method(thread)->constants()->cache()->entry_at(i); }
  67   static ConstantPoolCacheEntry* cache_entry(JavaThread *thread)            { return cache_entry_at(thread, Bytes::get_native_u2(bcp(thread) + 1)); }
  68   static void      note_trap_inner(JavaThread* thread, int reason,
  69                                    const methodHandle& trap_method, int trap_bci, TRAPS);
  70   static void      note_trap(JavaThread *thread, int reason, TRAPS);
  71 #ifdef CC_INTERP
  72   // Profile traps in C++ interpreter.
  73   static void      note_trap(JavaThread* thread, int reason, Method *method, int trap_bci);
  74 #endif // CC_INTERP
  75 
  76   // Inner work method for Interpreter's frequency counter overflow.
  77   static nmethod* frequency_counter_overflow_inner(JavaThread* thread, address branch_bcp);
  78 
  79  public:
  80   // Constants
  81   static void    ldc           (JavaThread* thread, bool wide);
  82   static void    resolve_ldc   (JavaThread* thread, Bytecodes::Code bytecode);
  83 
  84   // Allocation
  85   static void    _new          (JavaThread* thread, ConstantPool* pool, int index);
  86   static void    newarray      (JavaThread* thread, BasicType type, jint size);
  87   static void    anewarray     (JavaThread* thread, ConstantPool* pool, int index, jint size);


 122   // Statics & fields
 123   static void resolve_get_put(JavaThread* thread, Bytecodes::Code bytecode);
 124 
 125   // Calls
 126   static void resolve_invoke(JavaThread* thread, Bytecodes::Code bytecode);
 127   static void resolve_invokehandle (JavaThread* thread);
 128   static void resolve_invokedynamic(JavaThread* thread);
 129 
 130  public:
 131   // Synchronization
 132   static void    monitorenter(JavaThread* thread, BasicObjectLock* elem);
 133   static void    monitorexit (JavaThread* thread, BasicObjectLock* elem);
 134 
 135   static void    throw_illegal_monitor_state_exception(JavaThread* thread);
 136   static void    new_illegal_monitor_state_exception(JavaThread* thread);
 137 
 138   // Breakpoints
 139   static void _breakpoint(JavaThread* thread, Method* method, address bcp);
 140   static Bytecodes::Code get_original_bytecode_at(JavaThread* thread, Method* method, address bcp);
 141   static void            set_original_bytecode_at(JavaThread* thread, Method* method, address bcp, Bytecodes::Code new_code);
 142   static bool is_breakpoint(JavaThread *thread) { return Bytecodes::code_or_bp_at(bcp(thread)) == Bytecodes::_breakpoint; }
 143 
 144   // Safepoints
 145   static void    at_safepoint(JavaThread* thread);
 146 
 147   // Debugger support
 148   static void post_field_access(JavaThread *thread, oopDesc* obj,
 149     ConstantPoolCacheEntry *cp_entry);
 150   static void post_field_modification(JavaThread *thread, oopDesc* obj,
 151     ConstantPoolCacheEntry *cp_entry, jvalue *value);
 152   static void post_method_entry(JavaThread *thread);
 153   static void post_method_exit (JavaThread *thread);
 154   static int  interpreter_contains(address pc);
 155 
 156   // Native signature handlers
 157   static void prepare_native_call(JavaThread* thread, Method* method);
 158   static address slow_signature_handler(JavaThread* thread,
 159                                         Method* method,
 160                                         intptr_t* from, intptr_t* to);
 161 
 162 #if defined(IA32) || defined(AMD64) || defined(ARM)




  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"
  31 #include "oops/method.hpp"
  32 #include "runtime/frame.inline.hpp"
  33 #include "runtime/signature.hpp"
  34 #include "runtime/thread.hpp"
  35 #include "utilities/macros.hpp"
  36 
  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 class to access current interpreter state
  46   class LastFrameAccessor : public StackObj {
  47     frame _last_frame;
  48   public:
  49     LastFrameAccessor(JavaThread* thread) {
  50       assert(thread == Thread::current(), "sanity");
  51       _last_frame = thread->last_frame();
  52     }
  53     bool is_interpreted_frame() const              { return _last_frame.is_interpreted_frame(); }
  54     Method*   method() const                       { return _last_frame.interpreter_frame_method(); }
  55     address   bcp() const                          { return _last_frame.interpreter_frame_bcp(); }
  56     int       bci() const                          { return _last_frame.interpreter_frame_bci(); }
  57     address   mdp() const                          { return _last_frame.interpreter_frame_mdp(); }
  58 
  59     void      set_bcp(address bcp)                 { _last_frame.interpreter_frame_set_bcp(bcp); }
  60     void      set_mdp(address dp)                  { _last_frame.interpreter_frame_set_mdp(dp); }
  61 
  62     // pass method to avoid calling unsafe bcp_to_method (partial fix 4926272)
  63     Bytecodes::Code code() const                   { return Bytecodes::code_at(method(), bcp()); }
  64 
  65     Bytecode  bytecode() const                     { return Bytecode(method(), bcp()); }
  66     int get_index_u1(Bytecodes::Code bc) const     { return bytecode().get_index_u1(bc); }
  67     int get_index_u2(Bytecodes::Code bc) const     { return bytecode().get_index_u2(bc); }
  68     int get_index_u2_cpcache(Bytecodes::Code bc) const
  69                                                    { return bytecode().get_index_u2_cpcache(bc); }
  70     int get_index_u4(Bytecodes::Code bc) const     { return bytecode().get_index_u4(bc); }
  71     int number_of_dimensions() const               { return bcp()[3]; }
  72     ConstantPoolCacheEntry* cache_entry_at(int i) const
  73                                                    { return method()->constants()->cache()->entry_at(i); }
  74     ConstantPoolCacheEntry* cache_entry() const    { return cache_entry_at(Bytes::get_native_u2(bcp() + 1)); }
  75 
  76     oop callee_receiver(Symbol* signature) {
  77       return _last_frame.interpreter_callee_receiver(signature);
  78     }
  79     BasicObjectLock* monitor_begin() const {
  80       return _last_frame.interpreter_frame_monitor_begin();
  81     }
  82     BasicObjectLock* monitor_end() const {
  83       return _last_frame.interpreter_frame_monitor_end();
  84     }
  85     BasicObjectLock* next_monitor(BasicObjectLock* current) const {
  86       return _last_frame.next_monitor_in_interpreter_frame(current);
  87     }
  88 
  89     frame& get_frame()                             { return _last_frame; }
  90   };




  91 
  92   static void      set_bcp_and_mdp(address bcp, JavaThread*thread);

  93   static void      note_trap_inner(JavaThread* thread, int reason,
  94                                    const methodHandle& trap_method, int trap_bci, TRAPS);
  95   static void      note_trap(JavaThread *thread, int reason, TRAPS);
  96 #ifdef CC_INTERP
  97   // Profile traps in C++ interpreter.
  98   static void      note_trap(JavaThread* thread, int reason, Method *method, int trap_bci);
  99 #endif // CC_INTERP
 100 
 101   // Inner work method for Interpreter's frequency counter overflow.
 102   static nmethod* frequency_counter_overflow_inner(JavaThread* thread, address branch_bcp);
 103 
 104  public:
 105   // Constants
 106   static void    ldc           (JavaThread* thread, bool wide);
 107   static void    resolve_ldc   (JavaThread* thread, Bytecodes::Code bytecode);
 108 
 109   // Allocation
 110   static void    _new          (JavaThread* thread, ConstantPool* pool, int index);
 111   static void    newarray      (JavaThread* thread, BasicType type, jint size);
 112   static void    anewarray     (JavaThread* thread, ConstantPool* pool, int index, jint size);


 147   // Statics & fields
 148   static void resolve_get_put(JavaThread* thread, Bytecodes::Code bytecode);
 149 
 150   // Calls
 151   static void resolve_invoke(JavaThread* thread, Bytecodes::Code bytecode);
 152   static void resolve_invokehandle (JavaThread* thread);
 153   static void resolve_invokedynamic(JavaThread* thread);
 154 
 155  public:
 156   // Synchronization
 157   static void    monitorenter(JavaThread* thread, BasicObjectLock* elem);
 158   static void    monitorexit (JavaThread* thread, BasicObjectLock* elem);
 159 
 160   static void    throw_illegal_monitor_state_exception(JavaThread* thread);
 161   static void    new_illegal_monitor_state_exception(JavaThread* thread);
 162 
 163   // Breakpoints
 164   static void _breakpoint(JavaThread* thread, Method* method, address bcp);
 165   static Bytecodes::Code get_original_bytecode_at(JavaThread* thread, Method* method, address bcp);
 166   static void            set_original_bytecode_at(JavaThread* thread, Method* method, address bcp, Bytecodes::Code new_code);
 167   static bool is_breakpoint(JavaThread *thread) { return Bytecodes::code_or_bp_at(LastFrameAccessor(thread).bcp()) == Bytecodes::_breakpoint; }
 168 
 169   // Safepoints
 170   static void    at_safepoint(JavaThread* thread);
 171 
 172   // Debugger support
 173   static void post_field_access(JavaThread *thread, oopDesc* obj,
 174     ConstantPoolCacheEntry *cp_entry);
 175   static void post_field_modification(JavaThread *thread, oopDesc* obj,
 176     ConstantPoolCacheEntry *cp_entry, jvalue *value);
 177   static void post_method_entry(JavaThread *thread);
 178   static void post_method_exit (JavaThread *thread);
 179   static int  interpreter_contains(address pc);
 180 
 181   // Native signature handlers
 182   static void prepare_native_call(JavaThread* thread, Method* method);
 183   static address slow_signature_handler(JavaThread* thread,
 184                                         Method* method,
 185                                         intptr_t* from, intptr_t* to);
 186 
 187 #if defined(IA32) || defined(AMD64) || defined(ARM)


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