[OCaml] Add an ocamlfind package llvm.all_backends.

This package is useful for architecture-independent tools like llc.

Patch by Jacques-Pascal Deplaix.

llvm-svn: 207793

1 files changed, 32 insertions, 0 deletions

diff --git a/llvm/bindings/ocaml/all_backends/all_backends_ocaml.c b/llvm/bindings/ocaml/all_backends/all_backends_ocaml.c
new file mode 100644
index 00000000000..8fe7d9b5d59
--- /dev/null
+++ b/llvm/bindings/ocaml/all_backends/all_backends_ocaml.c
@@ -0,0 +1,32 @@
+/*===-- all_backends_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 "llvm-c/Target.h"
+#include "caml/alloc.h"
+#include "caml/fail.h"
+#include "caml/memory.h"
+#include "caml/custom.h"
+
+/* unit -> unit */
+CAMLprim value llvm_initialize_all(value Unit) {
+  LLVMInitializeAllTargetInfos();
+  LLVMInitializeAllTargets();
+  LLVMInitializeAllTargetMCs();
+  LLVMInitializeAllAsmPrinters();
+  LLVMInitializeAllAsmParsers();
+  return Val_unit;
+}