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/*===-- executionengine_ocaml.c - LLVM OCaml Glue ---------------*- C++ -*-===*\
|* *|
|* The LLVM Compiler Infrastructure *|
|* *|
|* This file is distributed under the University of Illinois Open Source *|
|* License. See LICENSE.TXT for details. *|
|* *|
|*===----------------------------------------------------------------------===*|
|* *|
|* This file glues LLVM's OCaml interface to its C interface. These functions *|
|* are by and large transparent wrappers to the corresponding C functions. *|
|* *|
|* Note that these functions intentionally take liberties with the CAMLparamX *|
|* macros, since most of the parameters are not GC heap objects. *|
|* *|
\*===----------------------------------------------------------------------===*/
#include <string.h>
#include <assert.h>
#include "llvm-c/ExecutionEngine.h"
#include "llvm-c/Target.h"
#include "caml/alloc.h"
#include "caml/custom.h"
#include "caml/fail.h"
#include "caml/memory.h"
#include "caml/callback.h"
void llvm_raise(value Prototype, char *Message);
/* unit -> bool */
CAMLprim value llvm_ee_initialize(value Unit) {
LLVMLinkInMCJIT();
return Val_bool(!LLVMInitializeNativeTarget() &&
!LLVMInitializeNativeAsmParser() &&
!LLVMInitializeNativeAsmPrinter());
}
/* llmodule -> llcompileroption -> ExecutionEngine.t */
CAMLprim LLVMExecutionEngineRef llvm_ee_create(value OptRecordOpt, LLVMModuleRef M) {
value OptRecord;
LLVMExecutionEngineRef MCJIT;
char *Error;
struct LLVMMCJITCompilerOptions Options;
LLVMInitializeMCJITCompilerOptions(&Options, sizeof(Options));
if (OptRecordOpt != Val_int(0)) {
OptRecord = Field(OptRecordOpt, 0);
Options.OptLevel = Int_val(Field(OptRecord, 0));
Options.CodeModel = Int_val(Field(OptRecord, 1));
Options.NoFramePointerElim = Int_val(Field(OptRecord, 2));
Options.EnableFastISel = Int_val(Field(OptRecord, 3));
Options.MCJMM = NULL;
}
if (LLVMCreateMCJITCompilerForModule(&MCJIT, M, &Options,
sizeof(Options), &Error))
llvm_raise(*caml_named_value("Llvm_executionengine.Error"), Error);
return MCJIT;
}
/* ExecutionEngine.t -> unit */
CAMLprim value llvm_ee_dispose(LLVMExecutionEngineRef EE) {
LLVMDisposeExecutionEngine(EE);
return Val_unit;
}
/* llmodule -> ExecutionEngine.t -> unit */
CAMLprim value llvm_ee_add_module(LLVMModuleRef M, LLVMExecutionEngineRef EE) {
LLVMAddModule(EE, M);
return Val_unit;
}
/* llmodule -> ExecutionEngine.t -> llmodule */
CAMLprim value llvm_ee_remove_module(LLVMModuleRef M, LLVMExecutionEngineRef EE) {
LLVMModuleRef RemovedModule;
char *Error;
if (LLVMRemoveModule(EE, M, &RemovedModule, &Error))
llvm_raise(*caml_named_value("Llvm_executionengine.Error"), Error);
return Val_unit;
}
/* ExecutionEngine.t -> unit */
CAMLprim value llvm_ee_run_static_ctors(LLVMExecutionEngineRef EE) {
LLVMRunStaticConstructors(EE);
return Val_unit;
}
/* ExecutionEngine.t -> unit */
CAMLprim value llvm_ee_run_static_dtors(LLVMExecutionEngineRef EE) {
LLVMRunStaticDestructors(EE);
return Val_unit;
}
extern value llvm_alloc_data_layout(LLVMTargetDataRef TargetData);
/* ExecutionEngine.t -> Llvm_target.DataLayout.t */
CAMLprim value llvm_ee_get_data_layout(LLVMExecutionEngineRef EE) {
value DataLayout;
LLVMTargetDataRef OrigDataLayout;
char* TargetDataCStr;
OrigDataLayout = LLVMGetExecutionEngineTargetData(EE);
TargetDataCStr = LLVMCopyStringRepOfTargetData(OrigDataLayout);
DataLayout = llvm_alloc_data_layout(LLVMCreateTargetData(TargetDataCStr));
LLVMDisposeMessage(TargetDataCStr);
return DataLayout;
}
/* Llvm.llvalue -> int64 -> llexecutionengine -> unit */
CAMLprim value llvm_ee_add_global_mapping(LLVMValueRef Global, value Ptr,
LLVMExecutionEngineRef EE) {
LLVMAddGlobalMapping(EE, Global, (void*) (Int64_val(Ptr)));
return Val_unit;
}
/* Llvm.llvalue -> llexecutionengine -> int64 */
CAMLprim value llvm_ee_get_pointer_to_global(LLVMValueRef Global,
LLVMExecutionEngineRef EE) {
return caml_copy_int64((int64_t) LLVMGetPointerToGlobal(EE, Global));
}
|
