1 /*===-- target_ocaml.c - LLVM OCaml Glue ------------------------*- C++ -*-===*\
3 |* The LLVM Compiler Infrastructure *|
5 |* This file is distributed under the University of Illinois Open Source *|
6 |* License. See LICENSE.TXT for details. *|
8 |*===----------------------------------------------------------------------===*|
10 |* This file glues LLVM's OCaml interface to its C interface. These functions *|
11 |* are by and large transparent wrappers to the corresponding C functions. *|
13 |* Note that these functions intentionally take liberties with the CAMLparamX *|
14 |* macros, since most of the parameters are not GC heap objects. *|
16 \*===----------------------------------------------------------------------===*/
18 #include "llvm-c/Target.h"
19 #include "caml/alloc.h"
20 #include "caml/custom.h"
22 #define TargetData_val(v) (*(LLVMTargetDataRef *)(Data_custom_val(v)))
24 static void llvm_finalize_target_data(value TargetData) {
25 LLVMDisposeTargetData(TargetData_val(TargetData));
28 static struct custom_operations llvm_target_data_ops = {
29 (char *) "LLVMTargetData",
30 llvm_finalize_target_data,
31 custom_compare_default,
33 custom_serialize_default,
34 custom_deserialize_default
35 #ifdef custom_compare_ext_default
36 , custom_compare_ext_default
40 value llvm_alloc_target_data(LLVMTargetDataRef TargetData) {
41 value V = alloc_custom(&llvm_target_data_ops, sizeof(LLVMTargetDataRef), 0, 1);
42 TargetData_val(V) = TargetData;
46 /* string -> DataLayout.t */
47 CAMLprim value llvm_targetdata_create(value StringRep) {
48 return llvm_alloc_target_data(LLVMCreateTargetData(String_val(StringRep)));
51 /* DataLayout.t -> [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
52 CAMLprim value llvm_targetdata_add(value TD, LLVMPassManagerRef PM){
53 LLVMAddTargetData(TargetData_val(TD), PM);
57 /* DataLayout.t -> string */
58 CAMLprim value llvm_targetdata_as_string(value TD) {
59 char *StringRep = LLVMCopyStringRepOfTargetData(TargetData_val(TD));
60 value Copy = copy_string(StringRep);
61 LLVMDisposeMessage(StringRep);
65 /* DataLayout.t -> Endian.t */
66 CAMLprim value llvm_byte_order(value TD) {
67 return Val_int(LLVMByteOrder(TargetData_val(TD)));
70 /* DataLayout.t -> int */
71 CAMLprim value llvm_pointer_size(value TD) {
72 return Val_int(LLVMPointerSize(TargetData_val(TD)));
75 /* DataLayout.t -> Llvm.llcontext -> Llvm.lltype */
76 CAMLprim LLVMTypeRef llvm_intptr_type(value TD, LLVMContextRef C) {
77 return LLVMIntPtrTypeInContext(C, TargetData_val(TD));;
80 /* DataLayout.t -> Llvm.lltype -> Int64.t */
81 CAMLprim value llvm_size_in_bits(value TD, LLVMTypeRef Ty) {
82 return caml_copy_int64(LLVMSizeOfTypeInBits(TargetData_val(TD), Ty));
85 /* DataLayout.t -> Llvm.lltype -> Int64.t */
86 CAMLprim value llvm_store_size(value TD, LLVMTypeRef Ty) {
87 return caml_copy_int64(LLVMStoreSizeOfType(TargetData_val(TD), Ty));
90 /* DataLayout.t -> Llvm.lltype -> Int64.t */
91 CAMLprim value llvm_abi_size(value TD, LLVMTypeRef Ty) {
92 return caml_copy_int64(LLVMABISizeOfType(TargetData_val(TD), Ty));
95 /* DataLayout.t -> Llvm.lltype -> int */
96 CAMLprim value llvm_abi_align(value TD, LLVMTypeRef Ty) {
97 return Val_int(LLVMABIAlignmentOfType(TargetData_val(TD), Ty));
100 /* DataLayout.t -> Llvm.lltype -> int */
101 CAMLprim value llvm_stack_align(value TD, LLVMTypeRef Ty) {
102 return Val_int(LLVMCallFrameAlignmentOfType(TargetData_val(TD), Ty));
105 /* DataLayout.t -> Llvm.lltype -> int */
106 CAMLprim value llvm_preferred_align(value TD, LLVMTypeRef Ty) {
107 return Val_int(LLVMPreferredAlignmentOfType(TargetData_val(TD), Ty));
110 /* DataLayout.t -> Llvm.llvalue -> int */
111 CAMLprim value llvm_preferred_align_of_global(value TD,
112 LLVMValueRef GlobalVar) {
113 return Val_int(LLVMPreferredAlignmentOfGlobal(TargetData_val(TD), GlobalVar));
116 /* DataLayout.t -> Llvm.lltype -> Int64.t -> int */
117 CAMLprim value llvm_element_at_offset(value TD, LLVMTypeRef Ty,
119 return Val_int(LLVMElementAtOffset(TargetData_val(TD), Ty, Int64_val(Offset)));
122 /* DataLayout.t -> Llvm.lltype -> int -> Int64.t */
123 CAMLprim value llvm_offset_of_element(value TD, LLVMTypeRef Ty,
125 return caml_copy_int64(LLVMOffsetOfElement(TargetData_val(TD), Ty, Int_val(Index)));