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src/hotspot/cpu/x86/interp_masm_x86.cpp

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  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "interp_masm_x86.hpp"
  27 #include "interpreter/interpreter.hpp"
  28 #include "interpreter/interpreterRuntime.hpp"
  29 #include "logging/log.hpp"
  30 #include "oops/arrayOop.hpp"
  31 #include "oops/markOop.hpp"
  32 #include "oops/methodData.hpp"
  33 #include "oops/method.hpp"
  34 #include "prims/jvmtiExport.hpp"
  35 #include "prims/jvmtiThreadState.hpp"
  36 #include "runtime/basicLock.hpp"
  37 #include "runtime/biasedLocking.hpp"

  38 #include "runtime/safepointMechanism.hpp"
  39 #include "runtime/sharedRuntime.hpp"
  40 #include "runtime/thread.inline.hpp"
  41 
  42 // Implementation of InterpreterMacroAssembler
  43 
  44 void InterpreterMacroAssembler::jump_to_entry(address entry) {
  45   assert(entry, "Entry must have been generated by now");
  46   jump(RuntimeAddress(entry));
  47 }
  48 
  49 void InterpreterMacroAssembler::profile_obj_type(Register obj, const Address& mdo_addr) {
  50   Label update, next, none;
  51 
  52   verify_oop(obj);
  53 
  54   testptr(obj, obj);
  55   jccb(Assembler::notZero, update);
  56   orptr(mdo_addr, TypeEntries::null_seen);
  57   jmpb(next);




  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "interp_masm_x86.hpp"
  27 #include "interpreter/interpreter.hpp"
  28 #include "interpreter/interpreterRuntime.hpp"
  29 #include "logging/log.hpp"
  30 #include "oops/arrayOop.hpp"
  31 #include "oops/markOop.hpp"
  32 #include "oops/methodData.hpp"
  33 #include "oops/method.hpp"
  34 #include "prims/jvmtiExport.hpp"
  35 #include "prims/jvmtiThreadState.hpp"
  36 #include "runtime/basicLock.hpp"
  37 #include "runtime/biasedLocking.hpp"
  38 #include "runtime/frame.inline.hpp"
  39 #include "runtime/safepointMechanism.hpp"
  40 #include "runtime/sharedRuntime.hpp"
  41 #include "runtime/thread.inline.hpp"
  42 
  43 // Implementation of InterpreterMacroAssembler
  44 
  45 void InterpreterMacroAssembler::jump_to_entry(address entry) {
  46   assert(entry, "Entry must have been generated by now");
  47   jump(RuntimeAddress(entry));
  48 }
  49 
  50 void InterpreterMacroAssembler::profile_obj_type(Register obj, const Address& mdo_addr) {
  51   Label update, next, none;
  52 
  53   verify_oop(obj);
  54 
  55   testptr(obj, obj);
  56   jccb(Assembler::notZero, update);
  57   orptr(mdo_addr, TypeEntries::null_seen);
  58   jmpb(next);


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