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/*===-- linker_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/Linker.h"
#include "caml/alloc.h"
#include "caml/memory.h"
#include "caml/fail.h"
static value llvm_linker_error_exn;
CAMLprim value llvm_register_linker_exns(value Error) {
llvm_linker_error_exn = Field(Error, 0);
register_global_root(&llvm_linker_error_exn);
return Val_unit;
}
static void llvm_raise(value Prototype, char *Message) {
CAMLparam1(Prototype);
CAMLlocal1(CamlMessage);
CamlMessage = copy_string(Message);
LLVMDisposeMessage(Message);
raise_with_arg(Prototype, CamlMessage);
abort(); /* NOTREACHED */
#ifdef CAMLnoreturn
CAMLnoreturn; /* Silences warnings, but is missing in some versions. */
#endif
}
/* llmodule -> llmodule -> Mode.t -> unit
raises Error msg on error */
CAMLprim value llvm_link_modules(LLVMModuleRef Dst, LLVMModuleRef Src, value Mode) {
char* Message;
if (LLVMLinkModules(Dst, Src, Int_val(Mode), &Message))
llvm_raise(llvm_linker_error_exn, Message);
return Val_unit;
}
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