C and Ocaml bindings for ExecutionEngine (i.e., the JIT compiler).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45335 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 115 insertions, 0 deletions

diff --git a/include/llvm-c/ExecutionEngine.h b/include/llvm-c/ExecutionEngine.h
new file mode 100644
index 0000000000..f501086818
--- /dev/null
+++ b/include/llvm-c/ExecutionEngine.h
@@ -0,0 +1,115 @@
+/*===-- llvm-c/ExecutionEngine.h - ExecutionEngine Lib C Iface --*- C++ -*-===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file was developed by Gordon Henriksen and is distributed under the   *|
+|* University of Illinois Open Source License. See LICENSE.TXT for details.   *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This header declares the C interface to libLLVMExecutionEngine.o, which    *|
+|* implements various analyses of the LLVM IR.                                *|
+|*                                                                            *|
+|* Many exotic languages can interoperate with C code but have a harder time  *|
+|* with C++ due to name mangling. So in addition to C, this interface enables *|
+|* tools written in such languages.                                           *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#ifndef LLVM_C_EXECUTIONENGINE_H
+#define LLVM_C_EXECUTIONENGINE_H
+
+#include "llvm-c/Core.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct LLVMOpaqueGenericValue *LLVMGenericValueRef;
+typedef struct LLVMOpaqueExecutionEngine *LLVMExecutionEngineRef;
+
+/*===-- Operations on generic values --------------------------------------===*/
+
+LLVMGenericValueRef LLVMCreateGenericValueOfInt(LLVMTypeRef Ty,
+                                                unsigned long long N,
+                                                int IsSigned);
+
+LLVMGenericValueRef LLVMCreateGenericValueOfPointer(void *P);
+
+LLVMGenericValueRef LLVMCreateGenericValueOfFloat(LLVMTypeRef Ty, double N);
+
+unsigned LLVMGenericValueIntWidth(LLVMGenericValueRef GenValRef);
+
+unsigned long long LLVMGenericValueToInt(LLVMGenericValueRef GenVal,
+                                         int IsSigned);
+
+void *LLVMGenericValueToPointer(LLVMGenericValueRef GenVal);
+
+double LLVMGenericValueToFloat(LLVMTypeRef TyRef, LLVMGenericValueRef GenVal);
+
+void LLVMDisposeGenericValue(LLVMGenericValueRef GenVal);
+
+/*===-- Operations on execution engines -----------------------------------===*/
+
+int LLVMCreateExecutionEngine(LLVMExecutionEngineRef *OutEE,
+                              LLVMModuleProviderRef MP,
+                              char **OutError);
+
+int LLVMCreateInterpreter(LLVMExecutionEngineRef *OutInterp,
+                          LLVMModuleProviderRef MP,
+                          char **OutError);
+
+int LLVMCreateJITCompiler(LLVMExecutionEngineRef *OutJIT,
+                          LLVMModuleProviderRef MP,
+                          char **OutError);
+
+void LLVMDisposeExecutionEngine(LLVMExecutionEngineRef EE);
+
+void LLVMRunStaticConstructors(LLVMExecutionEngineRef EE);
+
+void LLVMRunStaticDestructors(LLVMExecutionEngineRef EE);
+
+int LLVMRunFunctionAsMain(LLVMExecutionEngineRef EE, LLVMValueRef F,
+                          unsigned ArgC, const char * const *ArgV,
+                          const char * const *EnvP);
+
+LLVMGenericValueRef LLVMRunFunction(LLVMExecutionEngineRef EE, LLVMValueRef F,
+                                    unsigned NumArgs,
+                                    LLVMGenericValueRef *Args);
+
+void LLVMFreeMachineCodeForFunction(LLVMExecutionEngineRef EE, LLVMValueRef F);
+
+void LLVMAddModuleProvider(LLVMExecutionEngineRef EE, LLVMModuleProviderRef MP);
+
+int LLVMRemoveModuleProvider(LLVMExecutionEngineRef EE,
+                             LLVMModuleProviderRef MP,
+                             LLVMModuleRef *OutMod, char **OutError);
+
+int LLVMFindFunction(LLVMExecutionEngineRef EE, const char *Name,
+                     LLVMValueRef *OutFn);
+
+#ifdef __cplusplus
+}
+
+namespace llvm {
+  class GenericValue;
+  class ExecutionEngine;
+  
+  #define DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref)   \
+    inline ty *unwrap(ref P) {                          \
+      return reinterpret_cast<ty*>(P);                  \
+    }                                                   \
+                                                        \
+    inline ref wrap(const ty *P) {                      \
+      return reinterpret_cast<ref>(const_cast<ty*>(P)); \
+    }
+  
+  DEFINE_SIMPLE_CONVERSION_FUNCTIONS(GenericValue,    LLVMGenericValueRef   )
+  DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ExecutionEngine, LLVMExecutionEngineRef)
+  
+  #undef DEFINE_SIMPLE_CONVERSION_FUNCTIONS
+}
+  
+#endif /* defined(__cplusplus) */
+
+#endif