Assembler changes for enabling GrowHeap in Wasm

src/x64/assembler-x64-inl.h

 // Copyright 2012 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_X64_ASSEMBLER_X64_INL_H_
 #define V8_X64_ASSEMBLER_X64_INL_H_
 
 #include "src/x64/assembler-x64.h"
 
 #include "src/base/cpu.h"
@@ skipping 304 matching lines @@
       *p -= static_cast<int32_t>(delta);  // Relocate entry.
     }
   } else if (IsInternalReference(rmode_)) {
     // absolute code pointer inside code object moves with the code object.
     Memory::Address_at(pc_) += delta;
   }
 }
 
 
 Address RelocInfo::target_address() {
-  DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_));
+  DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_) ||
+         IsWasmCodeEntry(rmode_));
   return Assembler::target_address_at(pc_, host_);
 }
 
 
 Address RelocInfo::target_address_address() {
   DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_)
                               || rmode_ == EMBEDDED_OBJECT
                               || rmode_ == EXTERNAL_REFERENCE);
   return reinterpret_cast<Address>(pc_);
 }
@@ skipping 10 matching lines @@
     return Assembler::kSpecialTargetSize;
   } else {
     return kPointerSize;
   }
 }
 
 
 void RelocInfo::set_target_address(Address target,
                                    WriteBarrierMode write_barrier_mode,
                                    ICacheFlushMode icache_flush_mode) {
-  DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_));
+  DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_) ||
+         IsWasmCodeEntry(rmode_));
   Assembler::set_target_address_at(isolate_, pc_, host_, target,
                                    icache_flush_mode);
   if (write_barrier_mode == UPDATE_WRITE_BARRIER && host() != NULL &&
       IsCodeTarget(rmode_)) {
     Object* target_code = Code::GetCodeFromTargetAddress(target);
     host()->GetHeap()->incremental_marking()->RecordWriteIntoCode(
         host(), this, HeapObject::cast(target_code));
   }
 }
 
@@ skipping 243 matching lines @@
 void Operand::set_disp64(int64_t disp) {
   DCHECK_EQ(1, len_);
   int64_t* p = reinterpret_cast<int64_t*>(&buf_[len_]);
   *p = disp;
   len_ += sizeof(disp);
 }
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_X64_ASSEMBLER_X64_INL_H_