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comparison src/share/vm/runtime/vframeArray.cpp @ 903:15bbd3f505c0

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Merge
author kvn
date Thu, 06 Aug 2009 09:37:26 -0700
parents bd02caa94611 9987d9d5eb0e
children e3a4305c6bc3
comparison
equal deleted inserted replaced
891:703065c670fa 903:15bbd3f505c0
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 //