[liveedit] reimplement frame restarting.

src/interface-descriptors.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_CALL_INTERFACE_DESCRIPTOR_H_
 #define V8_CALL_INTERFACE_DESCRIPTOR_H_
 
 #include <memory>
 
 #include "src/assembler.h"
@@ skipping 82 matching lines @@
   V(MathPowTagged)                        \
   V(MathPowInteger)                       \
   V(GrowArrayElements)                    \
   V(NewArgumentsElements)                 \
   V(InterpreterDispatch)                  \
   V(InterpreterPushArgsAndCall)           \
   V(InterpreterPushArgsAndConstruct)      \
   V(InterpreterPushArgsAndConstructArray) \
   V(InterpreterCEntry)                    \
   V(ResumeGenerator)                      \
+  V(FrameDropperTrampoline)               \
   V(PromiseHandleReject)
 
 class V8_EXPORT_PRIVATE CallInterfaceDescriptorData {
  public:
   CallInterfaceDescriptorData() : register_param_count_(-1), param_count_(-1) {}
 
   // A copy of the passed in registers and param_representations is made
   // and owned by the CallInterfaceDescriptorData.
 
   void InitializePlatformSpecific(
@@ skipping 771 matching lines @@
   DEFINE_PARAMETERS(kNumberOfArguments, kFirstArgument, kFunctionEntry)
   DECLARE_DESCRIPTOR_WITH_CUSTOM_FUNCTION_TYPE(InterpreterCEntryDescriptor,
                                                CallInterfaceDescriptor)
 };
 
 class ResumeGeneratorDescriptor final : public CallInterfaceDescriptor {
  public:
   DECLARE_DESCRIPTOR(ResumeGeneratorDescriptor, CallInterfaceDescriptor)
 };
 
+class FrameDropperTrampolineDescriptor final : public CallInterfaceDescriptor {
+  DECLARE_DESCRIPTOR_WITH_CUSTOM_FUNCTION_TYPE(FrameDropperTrampolineDescriptor,
+                                               CallInterfaceDescriptor)
+};
+
 class PromiseHandleRejectDescriptor final : public CallInterfaceDescriptor {
  public:
   DEFINE_PARAMETERS(kPromise, kOnReject, kException)
   DECLARE_DEFAULT_DESCRIPTOR(PromiseHandleRejectDescriptor,
                              CallInterfaceDescriptor, kParameterCount)
 };
 
 #undef DECLARE_DESCRIPTOR_WITH_BASE
 #undef DECLARE_DESCRIPTOR
 #undef DECLARE_DESCRIPTOR_WITH_CUSTOM_FUNCTION_TYPE
@@ skipping 10 matching lines @@
 }  // namespace v8
 
 
 #if V8_TARGET_ARCH_ARM64
 #include "src/arm64/interface-descriptors-arm64.h"
 #elif V8_TARGET_ARCH_ARM
 #include "src/arm/interface-descriptors-arm.h"
 #endif
 
 #endif  // V8_CALL_INTERFACE_DESCRIPTOR_H_