Add upcall compiler.

Upcall compiler compiles the invoke stub for native-to-managed
method invocation.

Change-Id: I09fb1e4b3f166e8da5de73e8f39509cd9be6c152

1 files changed, 14 insertions, 0 deletions

diff --git a/src/compiler_llvm/ir_builder.h b/src/compiler_llvm/ir_builder.h
index 617ed8d..b38c7b0 100644
--- a/src/compiler_llvm/ir_builder.h
+++ b/src/compiler_llvm/ir_builder.h
@@ -162,6 +162,18 @@ class IRBuilder : public LLVMIRBuilder {
     return jobject_type_;
   }
 
+  llvm::PointerType* getJEnvTy() {
+    return jenv_type_;
+  }
+
+  llvm::Type* getJValueTy() {
+    // NOTE: JValue is an union type, which may contains boolean, byte, char,
+    // short, int, long, float, double, Object.  However, LLVM itself does
+    // not support union type, so we have to return a type with biggest size,
+    // then bitcast it before we use it.
+    return getJLongTy();
+  }
+
 
   //--------------------------------------------------------------------------
   // Constant Value Helper Function
@@ -266,6 +278,8 @@ class IRBuilder : public LLVMIRBuilder {
  private:
   llvm::PointerType* jobject_type_;
 
+  llvm::PointerType* jenv_type_;
+
   llvm::Function* runtime_support_func_decls_[runtime_support::MAX_ID];
 
 };