Use the space freed up by sparc and zaurus to import LLVM.

ok hackroom@

1 files changed, 126 insertions, 0 deletions

diff --git a/gnu/llvm/bindings/ocaml/executionengine/executionengine_ocaml.c b/gnu/llvm/bindings/ocaml/executionengine/executionengine_ocaml.c
new file mode 100644
index 00000000000..b7992508bf9
--- /dev/null
+++ b/gnu/llvm/bindings/ocaml/executionengine/executionengine_ocaml.c
@@ -0,0 +1,126 @@
+/*===-- 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;
+}
+
+CAMLprim value llvm_ee_get_global_value_address(value Name,
+						LLVMExecutionEngineRef EE) {
+  return caml_copy_int64((int64_t) LLVMGetGlobalValueAddress(EE, String_val(Name)));
+}
+
+CAMLprim value llvm_ee_get_function_address(value Name,
+					    LLVMExecutionEngineRef EE) {
+  return caml_copy_int64((int64_t) LLVMGetFunctionAddress(EE, String_val(Name)));
+}