[wasm] Relocatable Globals

src/assembler.h

Index: src/assembler.h
diff --git a/src/assembler.h b/src/assembler.h
index 5947582c441f3f45e7e97df60b1932482bc2e53d..892430e14376ef6a864738cdbd056fc8fc6680c0 100644
--- a/src/assembler.h
+++ b/src/assembler.h
@@ -386,6 +386,7 @@ class RelocInfo {
     EMBEDDED_OBJECT,
     // To relocate pointers into the wasm memory embedded in wasm code
     WASM_MEMORY_REFERENCE,
+    WASM_GLOBAL_REFERENCE,
     WASM_MEMORY_SIZE_REFERENCE,
     CELL,
 
@@ -529,6 +530,9 @@ class RelocInfo {
   static inline bool IsWasmMemorySizeReference(Mode mode) {
     return mode == WASM_MEMORY_SIZE_REFERENCE;
   }
+  static inline bool IsWasmGlobalReference(Mode mode) {
+    return mode == WASM_GLOBAL_REFERENCE;
+  }
   static inline int ModeMask(Mode mode) { return 1 << mode; }
 
   // Accessors
@@ -556,10 +560,14 @@ class RelocInfo {
   bool IsInConstantPool();
 
   Address wasm_memory_reference();
+  Address wasm_global_reference();
   uint32_t wasm_memory_size_reference();
   void update_wasm_memory_reference(
       Address old_base, Address new_base, uint32_t old_size, uint32_t new_size,
       ICacheFlushMode icache_flush_mode = SKIP_ICACHE_FLUSH);
+  void update_wasm_global_reference(
+      Address old_base, Address new_base,
+      ICacheFlushMode icache_flush_mode = SKIP_ICACHE_FLUSH);
 
   // this relocation applies to;
   // can only be called if IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_)