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comparison bindings/ocaml/target/target_ocaml.c @ 0:95c75e76d11b

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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children 54457678186b
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-1:000000000000 0:95c75e76d11b
1 /*===-- target_ocaml.c - LLVM OCaml Glue ------------------------*- C++ -*-===*\
2 |* *|
3 |* The LLVM Compiler Infrastructure *|
4 |* *|
5 |* This file is distributed under the University of Illinois Open Source *|
6 |* License. See LICENSE.TXT for details. *|
7 |* *|
8 |*===----------------------------------------------------------------------===*|
9 |* *|
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. *|
12 |* *|
13 |* Note that these functions intentionally take liberties with the CAMLparamX *|
14 |* macros, since most of the parameters are not GC heap objects. *|
15 |* *|
16 \*===----------------------------------------------------------------------===*/
17
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
25 /*===---- Exceptions ------------------------------------------------------===*/
26
27 static value llvm_target_error_exn;
28
29 CAMLprim value llvm_register_target_exns(value Error) {
30 llvm_target_error_exn = Field(Error, 0);
31 register_global_root(&llvm_target_error_exn);
32 return Val_unit;
33 }
34
35 static void llvm_raise(value Prototype, char *Message) {
36 CAMLparam1(Prototype);
37 CAMLlocal1(CamlMessage);
38
39 CamlMessage = copy_string(Message);
40 LLVMDisposeMessage(Message);
41
42 raise_with_arg(Prototype, CamlMessage);
43 abort(); /* NOTREACHED */
44 #ifdef CAMLnoreturn
45 CAMLnoreturn; /* Silences warnings, but is missing in some versions. */
46 #endif
47 }
48
49 static value llvm_string_of_message(char* Message) {
50 value String = caml_copy_string(Message);
51 LLVMDisposeMessage(Message);
52
53 return String;
54 }
55
56 /*===---- Data Layout -----------------------------------------------------===*/
57
58 #define DataLayout_val(v) (*(LLVMTargetDataRef *)(Data_custom_val(v)))
59
60 static void llvm_finalize_data_layout(value DataLayout) {
61 LLVMDisposeTargetData(DataLayout_val(DataLayout));
62 }
63
64 static struct custom_operations llvm_data_layout_ops = {
65 (char *) "LLVMDataLayout",
66 llvm_finalize_data_layout,
67 custom_compare_default,
68 custom_hash_default,
69 custom_serialize_default,
70 custom_deserialize_default
71 #ifdef custom_compare_ext_default
72 , custom_compare_ext_default
73 #endif
74 };
75
76 value llvm_alloc_data_layout(LLVMTargetDataRef DataLayout) {
77 value V = alloc_custom(&llvm_data_layout_ops, sizeof(LLVMTargetDataRef),
78 0, 1);
79 DataLayout_val(V) = DataLayout;
80 return V;
81 }
82
83 /* string -> DataLayout.t */
84 CAMLprim value llvm_datalayout_of_string(value StringRep) {
85 return llvm_alloc_data_layout(LLVMCreateTargetData(String_val(StringRep)));
86 }
87
88 /* DataLayout.t -> string */
89 CAMLprim value llvm_datalayout_as_string(value TD) {
90 char *StringRep = LLVMCopyStringRepOfTargetData(DataLayout_val(TD));
91 value Copy = copy_string(StringRep);
92 LLVMDisposeMessage(StringRep);
93 return Copy;
94 }
95
96 /* [<Llvm.PassManager.any] Llvm.PassManager.t -> DataLayout.t -> unit */
97 CAMLprim value llvm_datalayout_add_to_pass_manager(LLVMPassManagerRef PM,
98 value DL) {
99 LLVMAddTargetData(DataLayout_val(DL), PM);
100 return Val_unit;
101 }
102
103 /* DataLayout.t -> Endian.t */
104 CAMLprim value llvm_datalayout_byte_order(value DL) {
105 return Val_int(LLVMByteOrder(DataLayout_val(DL)));
106 }
107
108 /* DataLayout.t -> int */
109 CAMLprim value llvm_datalayout_pointer_size(value DL) {
110 return Val_int(LLVMPointerSize(DataLayout_val(DL)));
111 }
112
113 /* Llvm.llcontext -> DataLayout.t -> Llvm.lltype */
114 CAMLprim LLVMTypeRef llvm_datalayout_intptr_type(LLVMContextRef C, value DL) {
115 return LLVMIntPtrTypeInContext(C, DataLayout_val(DL));;
116 }
117
118 /* int -> DataLayout.t -> int */
119 CAMLprim value llvm_datalayout_qualified_pointer_size(value AS, value DL) {
120 return Val_int(LLVMPointerSizeForAS(DataLayout_val(DL), Int_val(AS)));
121 }
122
123 /* Llvm.llcontext -> int -> DataLayout.t -> Llvm.lltype */
124 CAMLprim LLVMTypeRef llvm_datalayout_qualified_intptr_type(LLVMContextRef C,
125 value AS,
126 value DL) {
127 return LLVMIntPtrTypeForASInContext(C, DataLayout_val(DL), Int_val(AS));
128 }
129
130 /* Llvm.lltype -> DataLayout.t -> Int64.t */
131 CAMLprim value llvm_datalayout_size_in_bits(LLVMTypeRef Ty, value DL) {
132 return caml_copy_int64(LLVMSizeOfTypeInBits(DataLayout_val(DL), Ty));
133 }
134
135 /* Llvm.lltype -> DataLayout.t -> Int64.t */
136 CAMLprim value llvm_datalayout_store_size(LLVMTypeRef Ty, value DL) {
137 return caml_copy_int64(LLVMStoreSizeOfType(DataLayout_val(DL), Ty));
138 }
139
140 /* Llvm.lltype -> DataLayout.t -> Int64.t */
141 CAMLprim value llvm_datalayout_abi_size(LLVMTypeRef Ty, value DL) {
142 return caml_copy_int64(LLVMABISizeOfType(DataLayout_val(DL), Ty));
143 }
144
145 /* Llvm.lltype -> DataLayout.t -> int */
146 CAMLprim value llvm_datalayout_abi_align(LLVMTypeRef Ty, value DL) {
147 return Val_int(LLVMABIAlignmentOfType(DataLayout_val(DL), Ty));
148 }
149
150 /* Llvm.lltype -> DataLayout.t -> int */
151 CAMLprim value llvm_datalayout_stack_align(LLVMTypeRef Ty, value DL) {
152 return Val_int(LLVMCallFrameAlignmentOfType(DataLayout_val(DL), Ty));
153 }
154
155 /* Llvm.lltype -> DataLayout.t -> int */
156 CAMLprim value llvm_datalayout_preferred_align(LLVMTypeRef Ty, value DL) {
157 return Val_int(LLVMPreferredAlignmentOfType(DataLayout_val(DL), Ty));
158 }
159
160 /* Llvm.llvalue -> DataLayout.t -> int */
161 CAMLprim value llvm_datalayout_preferred_align_of_global(LLVMValueRef GlobalVar,
162 value DL) {
163 return Val_int(LLVMPreferredAlignmentOfGlobal(DataLayout_val(DL), GlobalVar));
164 }
165
166 /* Llvm.lltype -> Int64.t -> DataLayout.t -> int */
167 CAMLprim value llvm_datalayout_element_at_offset(LLVMTypeRef Ty, value Offset,
168 value DL) {
169 return Val_int(LLVMElementAtOffset(DataLayout_val(DL), Ty,
170 Int64_val(Offset)));
171 }
172
173 /* Llvm.lltype -> int -> DataLayout.t -> Int64.t */
174 CAMLprim value llvm_datalayout_offset_of_element(LLVMTypeRef Ty, value Index,
175 value DL) {
176 return caml_copy_int64(LLVMOffsetOfElement(DataLayout_val(DL), Ty,
177 Int_val(Index)));
178 }
179
180 /*===---- Target ----------------------------------------------------------===*/
181
182 static value llvm_target_option(LLVMTargetRef Target) {
183 if(Target != NULL) {
184 value Result = caml_alloc_small(1, 0);
185 Store_field(Result, 0, (value) Target);
186 return Result;
187 }
188
189 return Val_int(0);
190 }
191
192 /* unit -> string */
193 CAMLprim value llvm_target_default_triple(value Unit) {
194 char *TripleCStr = LLVMGetDefaultTargetTriple();
195 value TripleStr = caml_copy_string(TripleCStr);
196 LLVMDisposeMessage(TripleCStr);
197
198 return TripleStr;
199 }
200
201 /* unit -> Target.t option */
202 CAMLprim value llvm_target_first(value Unit) {
203 return llvm_target_option(LLVMGetFirstTarget());
204 }
205
206 /* Target.t -> Target.t option */
207 CAMLprim value llvm_target_succ(LLVMTargetRef Target) {
208 return llvm_target_option(LLVMGetNextTarget(Target));
209 }
210
211 /* string -> Target.t option */
212 CAMLprim value llvm_target_by_name(value Name) {
213 return llvm_target_option(LLVMGetTargetFromName(String_val(Name)));
214 }
215
216 /* string -> Target.t */
217 CAMLprim LLVMTargetRef llvm_target_by_triple(value Triple) {
218 LLVMTargetRef T;
219 char *Error;
220
221 if(LLVMGetTargetFromTriple(String_val(Triple), &T, &Error))
222 llvm_raise(llvm_target_error_exn, Error);
223
224 return T;
225 }
226
227 /* Target.t -> string */
228 CAMLprim value llvm_target_name(LLVMTargetRef Target) {
229 return caml_copy_string(LLVMGetTargetName(Target));
230 }
231
232 /* Target.t -> string */
233 CAMLprim value llvm_target_description(LLVMTargetRef Target) {
234 return caml_copy_string(LLVMGetTargetDescription(Target));
235 }
236
237 /* Target.t -> bool */
238 CAMLprim value llvm_target_has_jit(LLVMTargetRef Target) {
239 return Val_bool(LLVMTargetHasJIT(Target));
240 }
241
242 /* Target.t -> bool */
243 CAMLprim value llvm_target_has_target_machine(LLVMTargetRef Target) {
244 return Val_bool(LLVMTargetHasTargetMachine(Target));
245 }
246
247 /* Target.t -> bool */
248 CAMLprim value llvm_target_has_asm_backend(LLVMTargetRef Target) {
249 return Val_bool(LLVMTargetHasAsmBackend(Target));
250 }
251
252 /*===---- Target Machine --------------------------------------------------===*/
253
254 #define TargetMachine_val(v) (*(LLVMTargetMachineRef *)(Data_custom_val(v)))
255
256 static void llvm_finalize_target_machine(value Machine) {
257 LLVMDisposeTargetMachine(TargetMachine_val(Machine));
258 }
259
260 static struct custom_operations llvm_target_machine_ops = {
261 (char *) "LLVMTargetMachine",
262 llvm_finalize_target_machine,
263 custom_compare_default,
264 custom_hash_default,
265 custom_serialize_default,
266 custom_deserialize_default
267 #ifdef custom_compare_ext_default
268 , custom_compare_ext_default
269 #endif
270 };
271
272 static value llvm_alloc_targetmachine(LLVMTargetMachineRef Machine) {
273 value V = alloc_custom(&llvm_target_machine_ops, sizeof(LLVMTargetMachineRef),
274 0, 1);
275 TargetMachine_val(V) = Machine;
276 return V;
277 }
278
279 /* triple:string -> ?cpu:string -> ?features:string
280 ?level:CodeGenOptLevel.t -> ?reloc_mode:RelocMode.t
281 ?code_model:CodeModel.t -> Target.t -> TargetMachine.t */
282 CAMLprim value llvm_create_targetmachine_native(value Triple, value CPU,
283 value Features, value OptLevel, value RelocMode,
284 value CodeModel, LLVMTargetRef Target) {
285 LLVMTargetMachineRef Machine;
286 const char *CPUStr = "", *FeaturesStr = "";
287 LLVMCodeGenOptLevel OptLevelEnum = LLVMCodeGenLevelDefault;
288 LLVMRelocMode RelocModeEnum = LLVMRelocDefault;
289 LLVMCodeModel CodeModelEnum = LLVMCodeModelDefault;
290
291 if(CPU != Val_int(0))
292 CPUStr = String_val(Field(CPU, 0));
293 if(Features != Val_int(0))
294 FeaturesStr = String_val(Field(Features, 0));
295 if(OptLevel != Val_int(0))
296 OptLevelEnum = Int_val(Field(OptLevel, 0));
297 if(RelocMode != Val_int(0))
298 RelocModeEnum = Int_val(Field(RelocMode, 0));
299 if(CodeModel != Val_int(0))
300 CodeModelEnum = Int_val(Field(CodeModel, 0));
301
302 Machine = LLVMCreateTargetMachine(Target, String_val(Triple), CPUStr,
303 FeaturesStr, OptLevelEnum, RelocModeEnum, CodeModelEnum);
304
305 return llvm_alloc_targetmachine(Machine);
306 }
307
308 CAMLprim value llvm_create_targetmachine_bytecode(value *argv, int argn) {
309 return llvm_create_targetmachine_native(argv[0], argv[1], argv[2], argv[3],
310 argv[4], argv[5], (LLVMTargetRef) argv[6]);
311 }
312
313 /* TargetMachine.t -> Target.t */
314 CAMLprim LLVMTargetRef llvm_targetmachine_target(value Machine) {
315 return LLVMGetTargetMachineTarget(TargetMachine_val(Machine));
316 }
317
318 /* TargetMachine.t -> string */
319 CAMLprim value llvm_targetmachine_triple(value Machine) {
320 return llvm_string_of_message(LLVMGetTargetMachineTriple(
321 TargetMachine_val(Machine)));
322 }
323
324 /* TargetMachine.t -> string */
325 CAMLprim value llvm_targetmachine_cpu(value Machine) {
326 return llvm_string_of_message(LLVMGetTargetMachineCPU(
327 TargetMachine_val(Machine)));
328 }
329
330 /* TargetMachine.t -> string */
331 CAMLprim value llvm_targetmachine_features(value Machine) {
332 return llvm_string_of_message(LLVMGetTargetMachineFeatureString(
333 TargetMachine_val(Machine)));
334 }
335
336 /* TargetMachine.t -> DataLayout.t */
337 CAMLprim value llvm_targetmachine_data_layout(value Machine) {
338 CAMLparam1(Machine);
339 CAMLlocal1(DataLayout);
340
341 /* LLVMGetTargetMachineData returns a pointer owned by the TargetMachine,
342 so it is impossible to wrap it with llvm_alloc_target_data, which assumes
343 that OCaml owns the pointer. */
344 LLVMTargetDataRef OrigDataLayout;
345 OrigDataLayout = LLVMGetTargetMachineData(TargetMachine_val(Machine));
346
347 char* TargetDataCStr;
348 TargetDataCStr = LLVMCopyStringRepOfTargetData(OrigDataLayout);
349 DataLayout = llvm_alloc_data_layout(LLVMCreateTargetData(TargetDataCStr));
350 LLVMDisposeMessage(TargetDataCStr);
351
352 CAMLreturn(DataLayout);
353 }
354
355 /* TargetMachine.t -> bool -> unit */
356 CAMLprim value llvm_targetmachine_set_verbose_asm(value Machine, value Verb) {
357 LLVMSetTargetMachineAsmVerbosity(TargetMachine_val(Machine), Bool_val(Verb));
358 return Val_unit;
359 }
360
361 /* Llvm.llmodule -> CodeGenFileType.t -> string -> TargetMachine.t -> unit */
362 CAMLprim value llvm_targetmachine_emit_to_file(LLVMModuleRef Module,
363 value FileType, value FileName, value Machine) {
364 char* ErrorMessage;
365
366 if(LLVMTargetMachineEmitToFile(TargetMachine_val(Machine), Module,
367 String_val(FileName), Int_val(FileType),
368 &ErrorMessage)) {
369 llvm_raise(llvm_target_error_exn, ErrorMessage);
370 }
371
372 return Val_unit;
373 }
374
375 /* Llvm.llmodule -> CodeGenFileType.t -> TargetMachine.t ->
376 Llvm.llmemorybuffer */
377 CAMLprim LLVMMemoryBufferRef llvm_targetmachine_emit_to_memory_buffer(
378 LLVMModuleRef Module, value FileType,
379 value Machine) {
380 char* ErrorMessage;
381 LLVMMemoryBufferRef Buffer;
382
383 if(LLVMTargetMachineEmitToMemoryBuffer(TargetMachine_val(Machine), Module,
384 Int_val(FileType), &ErrorMessage,
385 &Buffer)) {
386 llvm_raise(llvm_target_error_exn, ErrorMessage);
387 }
388
389 return Buffer;
390 }