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 "llvm-c/TargetMachine.h"
20 #include "caml/alloc.h"
21 #include "caml/fail.h"
22 #include "caml/memory.h"
23 #include "caml/custom.h"
24 #include "caml/callback.h"
26 /*===---- Exceptions ------------------------------------------------------===*/
28 static void llvm_raise(value Prototype, char *Message) {
29 CAMLparam1(Prototype);
30 CAMLlocal1(CamlMessage);
32 CamlMessage = copy_string(Message);
33 LLVMDisposeMessage(Message);
35 raise_with_arg(Prototype, CamlMessage);
39 static value llvm_string_of_message(char* Message) {
40 value String = caml_copy_string(Message);
41 LLVMDisposeMessage(Message);
46 /*===---- Data Layout -----------------------------------------------------===*/
48 #define DataLayout_val(v) (*(LLVMTargetDataRef *)(Data_custom_val(v)))
50 static void llvm_finalize_data_layout(value DataLayout) {
51 LLVMDisposeTargetData(DataLayout_val(DataLayout));
54 static struct custom_operations llvm_data_layout_ops = {
55 (char *) "Llvm_target.DataLayout.t",
56 llvm_finalize_data_layout,
57 custom_compare_default,
59 custom_serialize_default,
60 custom_deserialize_default,
61 custom_compare_ext_default
64 value llvm_alloc_data_layout(LLVMTargetDataRef DataLayout) {
65 value V = alloc_custom(&llvm_data_layout_ops, sizeof(LLVMTargetDataRef),
67 DataLayout_val(V) = DataLayout;
71 /* string -> DataLayout.t */
72 CAMLprim value llvm_datalayout_of_string(value StringRep) {
73 return llvm_alloc_data_layout(LLVMCreateTargetData(String_val(StringRep)));
76 /* DataLayout.t -> string */
77 CAMLprim value llvm_datalayout_as_string(value TD) {
78 char *StringRep = LLVMCopyStringRepOfTargetData(DataLayout_val(TD));
79 value Copy = copy_string(StringRep);
80 LLVMDisposeMessage(StringRep);
84 /* [<Llvm.PassManager.any] Llvm.PassManager.t -> DataLayout.t -> unit */
85 CAMLprim value llvm_datalayout_add_to_pass_manager(LLVMPassManagerRef PM,
87 LLVMAddTargetData(DataLayout_val(DL), PM);
91 /* DataLayout.t -> Endian.t */
92 CAMLprim value llvm_datalayout_byte_order(value DL) {
93 return Val_int(LLVMByteOrder(DataLayout_val(DL)));
96 /* DataLayout.t -> int */
97 CAMLprim value llvm_datalayout_pointer_size(value DL) {
98 return Val_int(LLVMPointerSize(DataLayout_val(DL)));
101 /* Llvm.llcontext -> DataLayout.t -> Llvm.lltype */
102 CAMLprim LLVMTypeRef llvm_datalayout_intptr_type(LLVMContextRef C, value DL) {
103 return LLVMIntPtrTypeInContext(C, DataLayout_val(DL));;
106 /* int -> DataLayout.t -> int */
107 CAMLprim value llvm_datalayout_qualified_pointer_size(value AS, value DL) {
108 return Val_int(LLVMPointerSizeForAS(DataLayout_val(DL), Int_val(AS)));
111 /* Llvm.llcontext -> int -> DataLayout.t -> Llvm.lltype */
112 CAMLprim LLVMTypeRef llvm_datalayout_qualified_intptr_type(LLVMContextRef C,
115 return LLVMIntPtrTypeForASInContext(C, DataLayout_val(DL), Int_val(AS));
118 /* Llvm.lltype -> DataLayout.t -> Int64.t */
119 CAMLprim value llvm_datalayout_size_in_bits(LLVMTypeRef Ty, value DL) {
120 return caml_copy_int64(LLVMSizeOfTypeInBits(DataLayout_val(DL), Ty));
123 /* Llvm.lltype -> DataLayout.t -> Int64.t */
124 CAMLprim value llvm_datalayout_store_size(LLVMTypeRef Ty, value DL) {
125 return caml_copy_int64(LLVMStoreSizeOfType(DataLayout_val(DL), Ty));
128 /* Llvm.lltype -> DataLayout.t -> Int64.t */
129 CAMLprim value llvm_datalayout_abi_size(LLVMTypeRef Ty, value DL) {
130 return caml_copy_int64(LLVMABISizeOfType(DataLayout_val(DL), Ty));
133 /* Llvm.lltype -> DataLayout.t -> int */
134 CAMLprim value llvm_datalayout_abi_align(LLVMTypeRef Ty, value DL) {
135 return Val_int(LLVMABIAlignmentOfType(DataLayout_val(DL), Ty));
138 /* Llvm.lltype -> DataLayout.t -> int */
139 CAMLprim value llvm_datalayout_stack_align(LLVMTypeRef Ty, value DL) {
140 return Val_int(LLVMCallFrameAlignmentOfType(DataLayout_val(DL), Ty));
143 /* Llvm.lltype -> DataLayout.t -> int */
144 CAMLprim value llvm_datalayout_preferred_align(LLVMTypeRef Ty, value DL) {
145 return Val_int(LLVMPreferredAlignmentOfType(DataLayout_val(DL), Ty));
148 /* Llvm.llvalue -> DataLayout.t -> int */
149 CAMLprim value llvm_datalayout_preferred_align_of_global(LLVMValueRef GlobalVar,
151 return Val_int(LLVMPreferredAlignmentOfGlobal(DataLayout_val(DL), GlobalVar));
154 /* Llvm.lltype -> Int64.t -> DataLayout.t -> int */
155 CAMLprim value llvm_datalayout_element_at_offset(LLVMTypeRef Ty, value Offset,
157 return Val_int(LLVMElementAtOffset(DataLayout_val(DL), Ty,
161 /* Llvm.lltype -> int -> DataLayout.t -> Int64.t */
162 CAMLprim value llvm_datalayout_offset_of_element(LLVMTypeRef Ty, value Index,
164 return caml_copy_int64(LLVMOffsetOfElement(DataLayout_val(DL), Ty,
168 /*===---- Target ----------------------------------------------------------===*/
170 static value llvm_target_option(LLVMTargetRef Target) {
172 value Result = caml_alloc_small(1, 0);
173 Store_field(Result, 0, (value) Target);
181 CAMLprim value llvm_target_default_triple(value Unit) {
182 char *TripleCStr = LLVMGetDefaultTargetTriple();
183 value TripleStr = caml_copy_string(TripleCStr);
184 LLVMDisposeMessage(TripleCStr);
189 /* unit -> Target.t option */
190 CAMLprim value llvm_target_first(value Unit) {
191 return llvm_target_option(LLVMGetFirstTarget());
194 /* Target.t -> Target.t option */
195 CAMLprim value llvm_target_succ(LLVMTargetRef Target) {
196 return llvm_target_option(LLVMGetNextTarget(Target));
199 /* string -> Target.t option */
200 CAMLprim value llvm_target_by_name(value Name) {
201 return llvm_target_option(LLVMGetTargetFromName(String_val(Name)));
204 /* string -> Target.t */
205 CAMLprim LLVMTargetRef llvm_target_by_triple(value Triple) {
209 if(LLVMGetTargetFromTriple(String_val(Triple), &T, &Error))
210 llvm_raise(*caml_named_value("Llvm_target.Error"), Error);
215 /* Target.t -> string */
216 CAMLprim value llvm_target_name(LLVMTargetRef Target) {
217 return caml_copy_string(LLVMGetTargetName(Target));
220 /* Target.t -> string */
221 CAMLprim value llvm_target_description(LLVMTargetRef Target) {
222 return caml_copy_string(LLVMGetTargetDescription(Target));
225 /* Target.t -> bool */
226 CAMLprim value llvm_target_has_jit(LLVMTargetRef Target) {
227 return Val_bool(LLVMTargetHasJIT(Target));
230 /* Target.t -> bool */
231 CAMLprim value llvm_target_has_target_machine(LLVMTargetRef Target) {
232 return Val_bool(LLVMTargetHasTargetMachine(Target));
235 /* Target.t -> bool */
236 CAMLprim value llvm_target_has_asm_backend(LLVMTargetRef Target) {
237 return Val_bool(LLVMTargetHasAsmBackend(Target));
240 /*===---- Target Machine --------------------------------------------------===*/
242 #define TargetMachine_val(v) (*(LLVMTargetMachineRef *)(Data_custom_val(v)))
244 static void llvm_finalize_target_machine(value Machine) {
245 LLVMDisposeTargetMachine(TargetMachine_val(Machine));
248 static struct custom_operations llvm_target_machine_ops = {
249 (char *) "Llvm_target.TargetMachine.t",
250 llvm_finalize_target_machine,
251 custom_compare_default,
253 custom_serialize_default,
254 custom_deserialize_default,
255 custom_compare_ext_default
258 static value llvm_alloc_targetmachine(LLVMTargetMachineRef Machine) {
259 value V = alloc_custom(&llvm_target_machine_ops, sizeof(LLVMTargetMachineRef),
261 TargetMachine_val(V) = Machine;
265 /* triple:string -> ?cpu:string -> ?features:string
266 ?level:CodeGenOptLevel.t -> ?reloc_mode:RelocMode.t
267 ?code_model:CodeModel.t -> Target.t -> TargetMachine.t */
268 CAMLprim value llvm_create_targetmachine_native(value Triple, value CPU,
269 value Features, value OptLevel, value RelocMode,
270 value CodeModel, LLVMTargetRef Target) {
271 LLVMTargetMachineRef Machine;
272 const char *CPUStr = "", *FeaturesStr = "";
273 LLVMCodeGenOptLevel OptLevelEnum = LLVMCodeGenLevelDefault;
274 LLVMRelocMode RelocModeEnum = LLVMRelocDefault;
275 LLVMCodeModel CodeModelEnum = LLVMCodeModelDefault;
277 if(CPU != Val_int(0))
278 CPUStr = String_val(Field(CPU, 0));
279 if(Features != Val_int(0))
280 FeaturesStr = String_val(Field(Features, 0));
281 if(OptLevel != Val_int(0))
282 OptLevelEnum = Int_val(Field(OptLevel, 0));
283 if(RelocMode != Val_int(0))
284 RelocModeEnum = Int_val(Field(RelocMode, 0));
285 if(CodeModel != Val_int(0))
286 CodeModelEnum = Int_val(Field(CodeModel, 0));
288 Machine = LLVMCreateTargetMachine(Target, String_val(Triple), CPUStr,
289 FeaturesStr, OptLevelEnum, RelocModeEnum, CodeModelEnum);
291 return llvm_alloc_targetmachine(Machine);
294 CAMLprim value llvm_create_targetmachine_bytecode(value *argv, int argn) {
295 return llvm_create_targetmachine_native(argv[0], argv[1], argv[2], argv[3],
296 argv[4], argv[5], (LLVMTargetRef) argv[6]);
299 /* TargetMachine.t -> Target.t */
300 CAMLprim LLVMTargetRef llvm_targetmachine_target(value Machine) {
301 return LLVMGetTargetMachineTarget(TargetMachine_val(Machine));
304 /* TargetMachine.t -> string */
305 CAMLprim value llvm_targetmachine_triple(value Machine) {
306 return llvm_string_of_message(LLVMGetTargetMachineTriple(
307 TargetMachine_val(Machine)));
310 /* TargetMachine.t -> string */
311 CAMLprim value llvm_targetmachine_cpu(value Machine) {
312 return llvm_string_of_message(LLVMGetTargetMachineCPU(
313 TargetMachine_val(Machine)));
316 /* TargetMachine.t -> string */
317 CAMLprim value llvm_targetmachine_features(value Machine) {
318 return llvm_string_of_message(LLVMGetTargetMachineFeatureString(
319 TargetMachine_val(Machine)));
322 /* TargetMachine.t -> DataLayout.t */
323 CAMLprim value llvm_targetmachine_data_layout(value Machine) {
325 CAMLlocal1(DataLayout);
326 char *TargetDataCStr;
328 /* LLVMGetTargetMachineData returns a pointer owned by the TargetMachine,
329 so it is impossible to wrap it with llvm_alloc_target_data, which assumes
330 that OCaml owns the pointer. */
331 LLVMTargetDataRef OrigDataLayout;
332 OrigDataLayout = LLVMGetTargetMachineData(TargetMachine_val(Machine));
334 TargetDataCStr = LLVMCopyStringRepOfTargetData(OrigDataLayout);
335 DataLayout = llvm_alloc_data_layout(LLVMCreateTargetData(TargetDataCStr));
336 LLVMDisposeMessage(TargetDataCStr);
338 CAMLreturn(DataLayout);
341 /* bool -> TargetMachine.t -> unit */
342 CAMLprim value llvm_targetmachine_set_verbose_asm(value Verb, value Machine) {
343 LLVMSetTargetMachineAsmVerbosity(TargetMachine_val(Machine), Bool_val(Verb));
347 /* Llvm.llmodule -> CodeGenFileType.t -> string -> TargetMachine.t -> unit */
348 CAMLprim value llvm_targetmachine_emit_to_file(LLVMModuleRef Module,
349 value FileType, value FileName, value Machine) {
352 if(LLVMTargetMachineEmitToFile(TargetMachine_val(Machine), Module,
353 String_val(FileName), Int_val(FileType),
355 llvm_raise(*caml_named_value("Llvm_target.Error"), ErrorMessage);
361 /* Llvm.llmodule -> CodeGenFileType.t -> TargetMachine.t ->
362 Llvm.llmemorybuffer */
363 CAMLprim LLVMMemoryBufferRef llvm_targetmachine_emit_to_memory_buffer(
364 LLVMModuleRef Module, value FileType,
367 LLVMMemoryBufferRef Buffer;
369 if(LLVMTargetMachineEmitToMemoryBuffer(TargetMachine_val(Machine), Module,
370 Int_val(FileType), &ErrorMessage,
372 llvm_raise(*caml_named_value("Llvm_target.Error"), ErrorMessage);
378 /* TargetMachine.t -> Llvm.PassManager.t -> unit */
379 CAMLprim value llvm_targetmachine_add_analysis_passes(LLVMPassManagerRef PM,
381 LLVMAddAnalysisPasses(TargetMachine_val(Machine), PM);