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hotspot/src/share/vm/runtime/vframeArray.cpp
changeset 3603 2d6d87c8705f
parent 3261 c7d5aae8d3f7
parent 3600 27aa4477d039
child 4896 88b4193b82b0
equal deleted inserted replaced
3591:2c1ca484fde4 3603:2d6d87c8705f 
    42 // Copy the information from the compiled vframe to the
 
    42 // Copy the information from the compiled vframe to the
 
    43 // interpreter frame we will be creating to replace vf
 
    43 // interpreter frame we will be creating to replace vf
 
    44 
    44 
    45   _method = vf->method();
 
    45   _method = vf->method();
 
    46   _bci    = vf->raw_bci();
 
    46   _bci    = vf->raw_bci();
 
       
    47   _reexecute = vf->should_reexecute();
 
    47 
    48 
    48   int index;
 
    49   int index;
 
    49 
    50 
    50   // Get the monitors off-stack
 
    51   // Get the monitors off-stack
 
    51 
    52 
   146   // Look at bci and decide on bcp and continuation pc
 
   147   // Look at bci and decide on bcp and continuation pc
 
   147   address bcp;
 
   148   address bcp;
 
   148   // C++ interpreter doesn't need a pc since it will figure out what to do when it
 
   149   // C++ interpreter doesn't need a pc since it will figure out what to do when it
 
   149   // begins execution
 
   150   // begins execution
 
   150   address pc;
 
   151   address pc;
 
   151   bool use_next_mdp; // true if we should use the mdp associated with the next bci
 
   152   bool use_next_mdp = false; // true if we should use the mdp associated with the next bci
 
   152                      // rather than the one associated with bcp
 
   153                              // rather than the one associated with bcp
 
   153   if (raw_bci() == SynchronizationEntryBCI) {
 
   154   if (raw_bci() == SynchronizationEntryBCI) {
 
   154     // We are deoptimizing while hanging in prologue code for synchronized method
 
   155     // We are deoptimizing while hanging in prologue code for synchronized method
 
   155     bcp = method()->bcp_from(0); // first byte code
 
   156     bcp = method()->bcp_from(0); // first byte code
 
   156     pc  = Interpreter::deopt_entry(vtos, 0); // step = 0 since we don't skip current bytecode
 
   157     pc  = Interpreter::deopt_entry(vtos, 0); // step = 0 since we don't skip current bytecode
 
   157     use_next_mdp = false;
 
   158   } else if (should_reexecute()) { //reexecute this bytecode
 
       
   159     assert(is_top_frame, "reexecute allowed only for the top frame");
 
       
   160     bcp = method()->bcp_from(bci());
 
       
   161     pc  = Interpreter::deopt_reexecute_entry(method(), bcp);
 
   158   } else {
 
   162   } else {
 
   159     bcp = method()->bcp_from(bci());
 
   163     bcp = method()->bcp_from(bci());
 
   160     pc  = Interpreter::continuation_for(method(), bcp, callee_parameters, is_top_frame, use_next_mdp);
 
   164     pc  = Interpreter::deopt_continue_after_entry(method(), bcp, callee_parameters, is_top_frame);
 
       
   165     use_next_mdp = true;
 
   161   }
 
   166   }
 
   162   assert(Bytecodes::is_defined(*bcp), "must be a valid bytecode");
 
   167   assert(Bytecodes::is_defined(*bcp), "must be a valid bytecode");
 
   163 
   168 
   164   // Monitorenter and pending exceptions:
 
   169   // Monitorenter and pending exceptions:
 
   165   //
 
   170   //
jdk-sandbox