[wasm] Introduce WasmStackGuard builtin

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 77 matching lines @@
   V(MathPowInteger)                       \
   V(GrowArrayElements)                    \
   V(NewArgumentsElements)                 \
   V(InterpreterDispatch)                  \
   V(InterpreterPushArgsAndCall)           \
   V(InterpreterPushArgsAndConstruct)      \
   V(InterpreterPushArgsAndConstructArray) \
   V(InterpreterCEntry)                    \
   V(ResumeGenerator)                      \
   V(FrameDropperTrampoline)               \
-  V(PromiseHandleReject)
+  V(PromiseHandleReject)                  \
+  V(WasmStackGuard)
 
 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(
       int register_parameter_count, const Register* registers,
@@ skipping 836 matching lines @@
                                                CallInterfaceDescriptor)
 };
 
 class PromiseHandleRejectDescriptor final : public CallInterfaceDescriptor {
  public:
   DEFINE_PARAMETERS(kPromise, kOnReject, kException)
   DECLARE_DEFAULT_DESCRIPTOR(PromiseHandleRejectDescriptor,
                              CallInterfaceDescriptor, kParameterCount)
 };
 
+class WasmStackGuardDescriptor final : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DEFAULT_DESCRIPTOR(WasmStackGuardDescriptor, CallInterfaceDescriptor,
+                             0)
+};
+
 #undef DECLARE_DESCRIPTOR_WITH_BASE
 #undef DECLARE_DESCRIPTOR
 #undef DECLARE_DESCRIPTOR_WITH_CUSTOM_FUNCTION_TYPE
 #undef DECLARE_DESCRIPTOR_WITH_BASE_AND_FUNCTION_TYPE_ARG
 #undef DEFINE_PARAMETERS
 
 // We define the association between CallDescriptors::Key and the specialized
 // descriptor here to reduce boilerplate and mistakes.
 #define DEF_KEY(name) \
   CallDescriptors::Key name##Descriptor::key() { return CallDescriptors::name; }
 INTERFACE_DESCRIPTOR_LIST(DEF_KEY)
 #undef DEF_KEY
 }  // namespace internal
 }  // 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_