1 files changed, 25 insertions, 1 deletions

diff --git a/deps/v8/src/x64/assembler-x64-inl.h b/deps/v8/src/x64/assembler-x64-inl.h
index eef4158f53..3d3608cea7 100644
--- a/deps/v8/src/x64/assembler-x64-inl.h
+++ b/deps/v8/src/x64/assembler-x64-inl.h
@@ -303,7 +303,8 @@ Address RelocInfo::target_address() {
 
 Address RelocInfo::target_address_address() {
   DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_) || IsWasmCall(rmode_) ||
-         rmode_ == EMBEDDED_OBJECT || rmode_ == EXTERNAL_REFERENCE);
+         IsEmbeddedObject(rmode_) || IsExternalReference(rmode_) ||
+         IsOffHeapTarget(rmode_));
   return reinterpret_cast<Address>(pc_);
 }
 
@@ -335,12 +336,28 @@ Handle<HeapObject> RelocInfo::target_object_handle(Assembler* origin) {
   }
 }
 
+void RelocInfo::set_wasm_code_table_entry(Address target,
+                                          ICacheFlushMode icache_flush_mode) {
+  DCHECK(rmode_ == RelocInfo::WASM_CODE_TABLE_ENTRY);
+  Memory::Address_at(pc_) = target;
+  if (icache_flush_mode != SKIP_ICACHE_FLUSH) {
+    Assembler::FlushICache(pc_, sizeof(Address));
+  }
+}
 
 Address RelocInfo::target_external_reference() {
   DCHECK(rmode_ == RelocInfo::EXTERNAL_REFERENCE);
   return Memory::Address_at(pc_);
 }
 
+void RelocInfo::set_target_external_reference(
+    Address target, ICacheFlushMode icache_flush_mode) {
+  DCHECK(rmode_ == RelocInfo::EXTERNAL_REFERENCE);
+  Memory::Address_at(pc_) = target;
+  if (icache_flush_mode != SKIP_ICACHE_FLUSH) {
+    Assembler::FlushICache(pc_, sizeof(Address));
+  }
+}
 
 Address RelocInfo::target_internal_reference() {
   DCHECK(rmode_ == INTERNAL_REFERENCE);
@@ -383,6 +400,11 @@ void RelocInfo::set_target_runtime_entry(Address target,
   }
 }
 
+Address RelocInfo::target_off_heap_target() {
+  DCHECK(IsOffHeapTarget(rmode_));
+  return Memory::Address_at(pc_);
+}
+
 void RelocInfo::WipeOut() {
   if (IsEmbeddedObject(rmode_) || IsExternalReference(rmode_) ||
       IsInternalReference(rmode_)) {
@@ -410,6 +432,8 @@ void RelocInfo::Visit(ObjectVisitor* visitor) {
     visitor->VisitInternalReference(host(), this);
   } else if (RelocInfo::IsRuntimeEntry(mode)) {
     visitor->VisitRuntimeEntry(host(), this);
+  } else if (RelocInfo::IsOffHeapTarget(mode)) {
+    visitor->VisitOffHeapTarget(host(), this);
   }
 }