Add new relocation type WASM_MEMORY_SIZE_REFERENCE, use relocatable pointers to update wasm memory …

src/x64/assembler-x64.cc

 // 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.
 
 #include "src/x64/assembler-x64.h"
 
 #include <cstring>
 
 #if V8_TARGET_ARCH_X64
 
@@ skipping 545 matching lines @@
 
 void Assembler::immediate_arithmetic_op(byte subcode,
                                         Register dst,
                                         Immediate src,
                                         int size) {
   EnsureSpace ensure_space(this);
   emit_rex(dst, size);
   if (is_int8(src.value_)) {
     emit(0x83);
     emit_modrm(subcode, dst);
+    if (!RelocInfo::IsNone(src.rmode_)) {
+      RecordRelocInfo(src.rmode_);
+    }
     emit(src.value_);
   } else if (dst.is(rax)) {
     emit(0x05 | (subcode << 3));
-    emitl(src.value_);
+    emit(src);
   } else {
     emit(0x81);
     emit_modrm(subcode, dst);
-    emitl(src.value_);
+    emit(src);
   }
 }
 
 void Assembler::immediate_arithmetic_op(byte subcode,
                                         const Operand& dst,
                                         Immediate src,
                                         int size) {
   EnsureSpace ensure_space(this);
   emit_rex(dst, size);
   if (is_int8(src.value_)) {
     emit(0x83);
     emit_operand(subcode, dst);
+    if (!RelocInfo::IsNone(src.rmode_)) {
+      RecordRelocInfo(src.rmode_);
+    }
     emit(src.value_);
   } else {
     emit(0x81);
     emit_operand(subcode, dst);
-    emitl(src.value_);
+    emit(src);
   }
 }
 
 
 void Assembler::immediate_arithmetic_op_16(byte subcode,
                                            Register dst,
                                            Immediate src) {
   EnsureSpace ensure_space(this);
   emit(0x66);  // Operand size override prefix.
   emit_optional_rex_32(dst);
@@ skipping 3593 matching lines @@
 
 bool RelocInfo::IsInConstantPool() {
   return false;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64