Expose ExecutionEngine::getTargetData() to c and ocaml bindings.

llvm-svn: 48851

bindings/ocaml/executionengine/Makefile

@@ -15,6 +15,6 @@ LEVEL := ../../..
 LIBRARYNAME := llvm_executionengine
 DONT_BUILD_RELINKED := 1
 UsedComponents := executionengine jit interpreter native
-UsedOcamlInterfaces := llvm
+UsedOcamlInterfaces := llvm llvm_target
 
 include ../Makefile.ocaml

bindings/ocaml/executionengine/llvm_executionengine.ml

@@ -82,6 +82,9 @@ module ExecutionEngine = struct
     = "llvm_ee_run_function_as_main"
   external free_machine_code: Llvm.llvalue -> t -> unit
     = "llvm_ee_free_machine_code"
+
+  external target_data: t -> Llvm_target.TargetData.t
+    = "LLVMGetExecutionEngineTargetData"
   
   (* The following are not bound. Patches are welcome.
   

bindings/ocaml/executionengine/llvm_executionengine.mli

@@ -147,4 +147,8 @@ module ExecutionEngine: sig
   (** [free_machine_code f ee] releases the memory in the execution engine [ee]
       used to store the machine code for the function [f]. *)
   val free_machine_code: Llvm.llvalue -> t -> unit
+
+  (** [target_data ee] is the target data owned by the execution engine
+      [ee]. *)
+  val target_data: t -> Llvm_target.TargetData.t
 end

include/llvm-c/ExecutionEngine.h

@@ -20,6 +20,7 @@
 #define LLVM_C_EXECUTIONENGINE_H
 
 #include "llvm-c/Core.h"
+#include "llvm-c/Target.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -88,6 +89,8 @@ int LLVMRemoveModuleProvider(LLVMExecutionEngineRef EE,
 int LLVMFindFunction(LLVMExecutionEngineRef EE, const char *Name,
                      LLVMValueRef *OutFn);
 
+LLVMTargetDataRef LLVMGetExecutionEngineTargetData(LLVMExecutionEngineRef EE);
+
 #ifdef __cplusplus
 }
 

lib/ExecutionEngine/ExecutionEngineBindings.cpp

@@ -187,3 +187,7 @@ int LLVMFindFunction(LLVMExecutionEngineRef EE, const char *Name,
   }
   return 1;
 }
+
+LLVMTargetDataRef LLVMGetExecutionEngineTargetData(LLVMExecutionEngineRef EE) {
+  return wrap(unwrap(EE)->getTargetData());
+}

test/Bindings/Ocaml/executionengine.ml

@@ -1,9 +1,10 @@
-(* RUN: %ocamlc -warn-error A llvm.cma llvm_executionengine.cma %s -o %t
+(* RUN: %ocamlc -warn-error A llvm.cma llvm_target.cma llvm_executionengine.cma %s -o %t
  * RUN: ./%t %t.bc
  *)
 
 open Llvm
 open Llvm_executionengine
+open Llvm_target
 
 (* Note that this takes a moment to link, so it's best to keep the number of
    individual tests low. *)
@@ -92,6 +93,13 @@ let test_executionengine () =
   
   (* run_static_dtors *)
   ExecutionEngine.run_static_dtors ee;
+
+  (* Show that the target data binding links and runs.*)
+  let td = ExecutionEngine.target_data ee in
+
+  (* Demonstrate that a garbage pointer wasn't returned. *)
+  let ty = intptr_type td in
+  if ty != i32_type && ty != i64_type then bomb "target_data did not work";
   
   (* dispose *)
   ExecutionEngine.dispose ee