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src/hotspot/share/runtime/sharedRuntime.cpp

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  39 #include "gc/shared/collectedHeap.hpp"
  40 #include "gc/shared/gcLocker.inline.hpp"
  41 #include "interpreter/interpreter.hpp"
  42 #include "interpreter/interpreterRuntime.hpp"
  43 #include "jvm.h"
  44 #include "jfr/jfrEvents.hpp"
  45 #include "logging/log.hpp"
  46 #include "memory/resourceArea.hpp"
  47 #include "memory/universe.hpp"
  48 #include "metaprogramming/primitiveConversions.hpp"
  49 #include "oops/klass.hpp"
  50 #include "oops/method.inline.hpp"
  51 #include "oops/objArrayKlass.hpp"
  52 #include "oops/oop.inline.hpp"
  53 #include "prims/forte.hpp"
  54 #include "prims/jvmtiExport.hpp"
  55 #include "prims/jvmtiThreadState.hpp"
  56 #include "prims/methodHandles.hpp"
  57 #include "prims/nativeLookup.hpp"
  58 #include "runtime/atomic.hpp"

  59 #include "runtime/frame.inline.hpp"

  60 #include "runtime/handles.inline.hpp"
  61 #include "runtime/init.hpp"
  62 #include "runtime/interfaceSupport.inline.hpp"
  63 #include "runtime/java.hpp"
  64 #include "runtime/javaCalls.hpp"
  65 #include "runtime/jniHandles.inline.hpp"
  66 #include "runtime/sharedRuntime.hpp"
  67 #include "runtime/stackWatermarkSet.hpp"
  68 #include "runtime/stubRoutines.hpp"
  69 #include "runtime/synchronizer.hpp"
  70 #include "runtime/vframe.inline.hpp"
  71 #include "runtime/vframeArray.hpp"
  72 #include "runtime/vm_version.hpp"
  73 #include "utilities/copy.hpp"
  74 #include "utilities/dtrace.hpp"
  75 #include "utilities/events.hpp"

  76 #include "utilities/resourceHash.hpp"
  77 #include "utilities/macros.hpp"
  78 #include "utilities/xmlstream.hpp"
  79 #ifdef COMPILER1
  80 #include "c1/c1_Runtime1.hpp"
  81 #endif
  82 #if INCLUDE_JFR
  83 #include "jfr/jfr.hpp"
  84 #endif
  85 
  86 // Shared stub locations
  87 RuntimeStub*        SharedRuntime::_wrong_method_blob;
  88 RuntimeStub*        SharedRuntime::_wrong_method_abstract_blob;
  89 RuntimeStub*        SharedRuntime::_ic_miss_blob;
  90 RuntimeStub*        SharedRuntime::_resolve_opt_virtual_call_blob;
  91 RuntimeStub*        SharedRuntime::_resolve_virtual_call_blob;
  92 RuntimeStub*        SharedRuntime::_resolve_static_call_blob;
  93 address             SharedRuntime::_resolve_static_call_entry;
  94 
  95 DeoptimizationBlob* SharedRuntime::_deopt_blob;

2917                        max_locals);
2918 
2919   // Inflate locks.  Copy the displaced headers.  Be careful, there can be holes.
2920   int i = max_locals;
2921   for (BasicObjectLock *kptr2 = fr.interpreter_frame_monitor_end();
2922        kptr2 < fr.interpreter_frame_monitor_begin();
2923        kptr2 = fr.next_monitor_in_interpreter_frame(kptr2) ) {
2924     if (kptr2->obj() != nullptr) {         // Avoid 'holes' in the monitor array
2925       BasicLock *lock = kptr2->lock();
2926       if (LockingMode == LM_LEGACY) {
2927         // Inflate so the object's header no longer refers to the BasicLock.
2928         if (lock->displaced_header().is_unlocked()) {
2929           // The object is locked and the resulting ObjectMonitor* will also be
2930           // locked so it can't be async deflated until ownership is dropped.
2931           // See the big comment in basicLock.cpp: BasicLock::move_to().
2932           ObjectSynchronizer::inflate_helper(kptr2->obj());
2933         }
2934         // Now the displaced header is free to move because the
2935         // object's header no longer refers to it.
2936         buf[i] = (intptr_t)lock->displaced_header().value();


2937       }
2938 #ifdef ASSERT
2939       else {
2940         buf[i] = badDispHeaderOSR;
2941       }
2942 #endif
2943       i++;
2944       buf[i++] = cast_from_oop<intptr_t>(kptr2->obj());
2945     }
2946   }
2947   assert(i - max_locals == active_monitor_count*2, "found the expected number of monitors");
2948 
2949   RegisterMap map(current,
2950                   RegisterMap::UpdateMap::skip,
2951                   RegisterMap::ProcessFrames::include,
2952                   RegisterMap::WalkContinuation::skip);
2953   frame sender = fr.sender(&map);
2954   if (sender.is_interpreted_frame()) {
2955     current->push_cont_fastpath(sender.sp());
2956   }

  39 #include "gc/shared/collectedHeap.hpp"
  40 #include "gc/shared/gcLocker.inline.hpp"
  41 #include "interpreter/interpreter.hpp"
  42 #include "interpreter/interpreterRuntime.hpp"
  43 #include "jvm.h"
  44 #include "jfr/jfrEvents.hpp"
  45 #include "logging/log.hpp"
  46 #include "memory/resourceArea.hpp"
  47 #include "memory/universe.hpp"
  48 #include "metaprogramming/primitiveConversions.hpp"
  49 #include "oops/klass.hpp"
  50 #include "oops/method.inline.hpp"
  51 #include "oops/objArrayKlass.hpp"
  52 #include "oops/oop.inline.hpp"
  53 #include "prims/forte.hpp"
  54 #include "prims/jvmtiExport.hpp"
  55 #include "prims/jvmtiThreadState.hpp"
  56 #include "prims/methodHandles.hpp"
  57 #include "prims/nativeLookup.hpp"
  58 #include "runtime/atomic.hpp"
  59 #include "runtime/basicLock.inline.hpp"
  60 #include "runtime/frame.inline.hpp"
  61 #include "runtime/globals.hpp"
  62 #include "runtime/handles.inline.hpp"
  63 #include "runtime/init.hpp"
  64 #include "runtime/interfaceSupport.inline.hpp"
  65 #include "runtime/java.hpp"
  66 #include "runtime/javaCalls.hpp"
  67 #include "runtime/jniHandles.inline.hpp"
  68 #include "runtime/sharedRuntime.hpp"
  69 #include "runtime/stackWatermarkSet.hpp"
  70 #include "runtime/stubRoutines.hpp"
  71 #include "runtime/synchronizer.hpp"
  72 #include "runtime/vframe.inline.hpp"
  73 #include "runtime/vframeArray.hpp"
  74 #include "runtime/vm_version.hpp"
  75 #include "utilities/copy.hpp"
  76 #include "utilities/dtrace.hpp"
  77 #include "utilities/events.hpp"
  78 #include "utilities/globalDefinitions.hpp"
  79 #include "utilities/resourceHash.hpp"
  80 #include "utilities/macros.hpp"
  81 #include "utilities/xmlstream.hpp"
  82 #ifdef COMPILER1
  83 #include "c1/c1_Runtime1.hpp"
  84 #endif
  85 #if INCLUDE_JFR
  86 #include "jfr/jfr.hpp"
  87 #endif
  88 
  89 // Shared stub locations
  90 RuntimeStub*        SharedRuntime::_wrong_method_blob;
  91 RuntimeStub*        SharedRuntime::_wrong_method_abstract_blob;
  92 RuntimeStub*        SharedRuntime::_ic_miss_blob;
  93 RuntimeStub*        SharedRuntime::_resolve_opt_virtual_call_blob;
  94 RuntimeStub*        SharedRuntime::_resolve_virtual_call_blob;
  95 RuntimeStub*        SharedRuntime::_resolve_static_call_blob;
  96 address             SharedRuntime::_resolve_static_call_entry;
  97 
  98 DeoptimizationBlob* SharedRuntime::_deopt_blob;

2920                        max_locals);
2921 
2922   // Inflate locks.  Copy the displaced headers.  Be careful, there can be holes.
2923   int i = max_locals;
2924   for (BasicObjectLock *kptr2 = fr.interpreter_frame_monitor_end();
2925        kptr2 < fr.interpreter_frame_monitor_begin();
2926        kptr2 = fr.next_monitor_in_interpreter_frame(kptr2) ) {
2927     if (kptr2->obj() != nullptr) {         // Avoid 'holes' in the monitor array
2928       BasicLock *lock = kptr2->lock();
2929       if (LockingMode == LM_LEGACY) {
2930         // Inflate so the object's header no longer refers to the BasicLock.
2931         if (lock->displaced_header().is_unlocked()) {
2932           // The object is locked and the resulting ObjectMonitor* will also be
2933           // locked so it can't be async deflated until ownership is dropped.
2934           // See the big comment in basicLock.cpp: BasicLock::move_to().
2935           ObjectSynchronizer::inflate_helper(kptr2->obj());
2936         }
2937         // Now the displaced header is free to move because the
2938         // object's header no longer refers to it.
2939         buf[i] = (intptr_t)lock->displaced_header().value();
2940       } else if (LockingMode == LM_LIGHTWEIGHT) {
2941         buf[i] = (intptr_t)lock->object_monitor_cache();
2942       }
2943 #ifdef ASSERT
2944       else {
2945         buf[i] = badDispHeaderOSR;
2946       }
2947 #endif
2948       i++;
2949       buf[i++] = cast_from_oop<intptr_t>(kptr2->obj());
2950     }
2951   }
2952   assert(i - max_locals == active_monitor_count*2, "found the expected number of monitors");
2953 
2954   RegisterMap map(current,
2955                   RegisterMap::UpdateMap::skip,
2956                   RegisterMap::ProcessFrames::include,
2957                   RegisterMap::WalkContinuation::skip);
2958   frame sender = fr.sender(&map);
2959   if (sender.is_interpreted_frame()) {
2960     current->push_cont_fastpath(sender.sp());
2961   }
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