-
Notifications
You must be signed in to change notification settings - Fork 319
/
llvm-dsp-c.h
524 lines (460 loc) · 25.4 KB
/
llvm-dsp-c.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
/************************** BEGIN llvm-dsp-c.h *****************************
FAUST Architecture File
Copyright (C) 2003-2022 GRAME, Centre National de Creation Musicale
---------------------------------------------------------------------
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
EXCEPTION : As a special exception, you may create a larger work
that contains this FAUST architecture section and distribute
that work under terms of your choice, so long as this FAUST
architecture section is not modified.
***************************************************************************/
#ifndef LLVM_DSP_C_H
#define LLVM_DSP_C_H
#include <stdbool.h>
#include "faust/gui/CInterface.h"
#include "faust/dsp/libfaust-signal-c.h"
/*!
\addtogroup llvmc C interface for compiling Faust code with the LLVM backend.
Note that the API is not thread safe : use 'startMTDSPFactories/stopMTDSPFactories' to use it in a multi-thread context.
@{
*/
#ifdef __cplusplus
extern "C"
{
#endif
/* Opaque types */
#ifdef _MSC_VER
typedef void llvm_dsp_factory;
typedef void llvm_dsp;
#else
typedef struct {} llvm_dsp_factory;
typedef struct {} llvm_dsp;
#endif
/**
* Get the library version.
*
* @return the library version as a static string.
*/
LIBFAUST_API const char* getCLibFaustVersion();
/**
* Get the target (triple + CPU) of the machine.
*
* @return the target as a string (to be deleted by the caller using freeCMemory).
*/
LIBFAUST_API char* getCDSPMachineTarget();
/**
* Get the Faust DSP factory associated with a given SHA key (created from the 'expanded' DSP source),
* if already allocated in the factories cache and increment it's reference counter. You will have to explicitly
* use deleteCDSPFactory to properly decrement the reference counter when the factory is no more needed.
*
* @param sha_key - the SHA key for an already created factory, kept in the factory cache
*
* @return a valid DSP factory if one is associated with the SHA key, otherwise a null pointer.
*/
LIBFAUST_API llvm_dsp_factory* getCDSPFactoryFromSHAKey(const char* sha_key);
/**
* Create a Faust DSP factory from a DSP source code as a file. Note that the library keeps an internal cache of all
* allocated factories so that the compilation of the same DSP code (that is same source code and
* same set of 'normalized' compilations options) will return the same (reference counted) factory pointer. You will
* have to explicitly use deleteCDSPFactory to properly decrement reference counter when the factory is no more needed.
*
* @param filename - the DSP filename
* @param argc - the number of parameters in argv array
* @param argv - the array of parameters (Warning : aux files generation options will be filtered (-svg, ...) --> use generateAuxFiles)
* @param target - the LLVM machine target: like 'i386-apple-macosx10.6.0:opteron',
* using an empty string takes the current machine settings,
* and i386-apple-macosx10.6.0:generic kind of syntax for a generic processor
* @param error_msg - the error string to be filled, has to be 4096 characters long
* @param opt_level - LLVM IR to IR optimization level (from -1 to 4, -1 means 'maximum possible value'
* since the maximum value may change with new LLVM versions)
*
* @return a valid DSP factory on success, otherwise a null pointer.
*/
LIBFAUST_API llvm_dsp_factory* createCDSPFactoryFromFile(const char* filename,
int argc, const char* argv[],
const char* target,
char* error_msg,
int opt_level);
/**
* Create a Faust DSP factory from a DSP source code as a string. Note that the library keeps an internal cache of all
* allocated factories so that the compilation of the same DSP code (that is same source code and
* same set of 'normalized' compilations options) will return the same (reference counted) factory pointer. You will
* have to explicitly use deleteCDSPFactory to properly decrement reference counter when the factory is no more needed.
*
* @param name_app - the name of the Faust program
* @param dsp_content - the Faust program as a string
* @param argc - the number of parameters in argv array
* @param argv - the array of parameters (Warning : aux files generation options will be filtered (-svg, ...) --> use generateAuxFiles)
* @param target - the LLVM machine target: like 'i386-apple-macosx10.6.0:opteron',
* using an empty string takes the current machine settings,
* and i386-apple-macosx10.6.0:generic kind of syntax for a generic processor
* @param error_msg - the error string to be filled, has to be 4096 characters long
* @param opt_level - LLVM IR to IR optimization level (from -1 to 4, -1 means 'maximum possible value'
* since the maximum value may change with new LLVM versions)
*
* @return a valid DSP factory on success, otherwise a null pointer.
*/
LIBFAUST_API llvm_dsp_factory* createCDSPFactoryFromString(const char* name_app,
const char* dsp_content,
int argc, const char* argv[],
const char* target,
char* error_msg,
int opt_level);
/**
* Create a Faust DSP factory from a null terminated array of output signals.
* It has to be used with the signal API defined in libfaust-signal-c.h.
*
* @param name_app - the name of the Faust program
* @param signals - the null terminated array of output signals
* @param argc - the number of parameters in argv array
* @param argv - the array of parameters
* @param target - the LLVM machine target: like 'i386-apple-macosx10.6.0:opteron',
* using an empty string takes the current machine settings,
* and i386-apple-macosx10.6.0:generic kind of syntax for a generic processor
* @param error_msg - the error string to be filled, has to be 4096 characters long
* @param opt_level - LLVM IR to IR optimization level (from -1 to 4, -1 means 'maximum possible value'
* since the maximum value may change with new LLVM versions)
*
* @return a DSP factory on success, otherwise a null pointer.
*/
LIBFAUST_API llvm_dsp_factory* createCDSPFactoryFromSignals(const char* name_app,
Signal* signals,
int argc, const char* argv[],
const char* target,
char* error_msg,
int opt_level);
/**
* Create a Faust DSP factory from a box expression.
* It has to be used with the box API defined in libfaust-box-c.h.
*
* @param name_app - the name of the Faust program
* @param box - the box expression
* @param argc - the number of parameters in argv array
* @param argv - the array of parameters
* @param target - the LLVM machine target: like 'i386-apple-macosx10.6.0:opteron',
* using an empty string takes the current machine settings,
* and i386-apple-macosx10.6.0:generic kind of syntax for a generic processor
* @param error_msg - the error string to be filled, has to be 4096 characters long
* @param opt_level - LLVM IR to IR optimization level (from -1 to 4, -1 means 'maximum possible value'
* since the maximum value may change with new LLVM versions)
*
* @return a DSP factory on success, otherwise a null pointer.
*/
LIBFAUST_API llvm_dsp_factory* createCDSPFactoryFromBoxes(const char* name_app,
Box box,
int argc, const char* argv[],
const char* target,
char* error_msg,
int opt_level);
/**
* Delete a Faust DSP factory, that is decrements it's reference counter, possibly really deleting the internal pointer.
* Possibly also delete DSP pointers associated with this factory, if they were not explicitly deleted with deleteCDSPInstance.
* Beware: all kept factories and DSP pointers (in local variables...) thus become invalid.
*
* @param factory - the DSP factory to be deleted.
*
* @return true if the factory internal pointer was really deleted, and false if only 'decremented'.
*/
LIBFAUST_API bool deleteCDSPFactory(llvm_dsp_factory* factory);
/**
* Returns factory name :
* either the name declared in DSP with [declare name "foo"] syntax
* or 'filename' (if createDSPFactoryFromFile is used)
* or 'name_app' (if createDSPFactoryFromString is used)
*
* @param factory - the DSP factory.
*
* @return the name as a string (to be deleted by the caller using freeCMemory).
*/
LIBFAUST_API char* getCName(llvm_dsp_factory* factory);
/**
* Get the SHA Key of the Faust DSP factory.
*
* @param factory - the DSP factory.
*
* @return the SHA key as a string (to be deleted by the caller using freeCMemory).
*/
LIBFAUST_API char* getCSHAKey(llvm_dsp_factory* factory);
/**
* Get the expanded DSP code of the Faust DSP factory.
*
* @param factory - the DSP factory.
*
* @return the expanded DSP code string (to be deleted by the caller using freeCMemory).
*/
LIBFAUST_API char* getCDSPCode(llvm_dsp_factory* factory);
/**
* Get the compile options of the Faust DSP factory.
*
* @param factory - the DSP factory.
*
* @return the LLVM compile options as a string (to be deleted by the caller using freeCMemory).
*/
LIBFAUST_API char* getCDSPFactoryCompileOptions(llvm_dsp_factory* factory);
/**
* Get the LLVM target of the Faust DSP factory.
*
* @param factory - the DSP factory.
*
* @return the LLVM target as a string (to be deleted by the caller using freeCMemory).
*/
LIBFAUST_API char* getCTarget(llvm_dsp_factory* factory);
/**
* Get the Faust DSP factory list of library dependancies as a null-terminated array.
*
* @param factory - the DSP factory.
*
* @return the library dependancies (the array and it's content has to be deleted by the caller using freeCMemory).
*/
LIBFAUST_API const char** getCDSPFactoryLibraryList(llvm_dsp_factory* factory);
/**
* Get the list of all used includes as a null-terminated array.
*
* @param factory - the DSP factory.
*
* @return the includes list (the array and it's content has to be deleted by the caller using freeCMemory).
*/
LIBFAUST_API const char** getCDSPFactoryIncludePathnames(llvm_dsp_factory* factory);
/**
* Get warning messages list for a given compilation as a null-terminated array.
*
* @param factory - the DSP factory.
*
* @return the warning messages list (the array and it's content has to be deleted by the caller using freeCMemory).
*/
LIBFAUST_API const char** getCWarningMessages(llvm_dsp_factory* factory);
/**
* Delete all Faust DSP factories kept in the library cache. Beware: all kept factory pointers (in local variables...) thus become invalid.
*/
LIBFAUST_API void deleteAllCDSPFactories();
/**
* Return Faust DSP factories of the library cache as a null-terminated array of their SHA keys.
*
* @return the Faust DSP factories (the array and it's content has to be deleted by the caller using freeCMemory).
*/
LIBFAUST_API const char** getAllCDSPFactories();
/* Static tables initialization */
LIBFAUST_API void classCInit(llvm_dsp_factory* factory, int sample_rate);
/**
* Start multi-thread access mode (since by default the library is not 'multi-thread' safe).
*
* @return true if 'multi-thread' safe access is started.
*/
LIBFAUST_API bool startMTDSPFactories();
/**
* Stop multi-thread access mode.
*/
LIBFAUST_API void stopMTDSPFactories();
/**
* Create a Faust DSP factory from a base64 encoded LLVM bitcode string. Note that the library keeps an internal cache of all
* allocated factories so that the compilation of the same DSP code (that is the same LLVM bitcode string) will return
* the same (reference counted) factory pointer. You will have to explicitly use deleteCDSPFactory to properly
* decrement reference counter when the factory is no more needed.
*
* @param bit_code - the LLVM bitcode string
* @param target - the LLVM machine target: like 'i386-apple-macosx10.6.0:opteron',
* using an empty string takes the current machine settings,
* and i386-apple-macosx10.6.0:generic kind of syntax for a generic processor
* @param error_msg - the error string to be filled, has to be 4096 characters long
* @param opt_level - LLVM IR to IR optimization level (from -1 to 4, -1 means 'maximum possible value'
* since the maximum value may change with new LLVM versions), a higher value
* than the one used when calling createDSPFactory can possibly be used.
*
* @return the DSP factory on success, otherwise a null pointer.
*/
LIBFAUST_API llvm_dsp_factory* readCDSPFactoryFromBitcode(const char* bit_code, const char* target, char* error_msg, int opt_level);
/**
* Write a Faust DSP factory into a base64 encoded LLVM bitcode string.
*
* @param factory - Faust DSP factory
*
* @return the LLVM bitcode as a string (to be deleted by the caller using freeCMemory).
*/
LIBFAUST_API char* writeCDSPFactoryToBitcode(llvm_dsp_factory* factory);
/**
* Create a Faust DSP factory from a LLVM bitcode file. Note that the library keeps an internal cache of all
* allocated factories so that the compilation of the same DSP code (that is the same LLVM bitcode file) will return
* the same (reference counted) factory pointer. You will have to explicitly use deleteCDSPFactory to properly
* decrement reference counter when the factory is no more needed.
*
* @param bit_code_path - the LLVM bitcode file pathname
* @param target - the LLVM machine target: like 'i386-apple-macosx10.6.0:opteron',
* using an empty string takes the current machine settings,
* and i386-apple-macosx10.6.0:generic kind of syntax for a generic processor
* @param error_msg - the error string to be filled, has to be 4096 characters long
* @param opt_level - LLVM IR to IR optimization level (from -1 to 4, -1 means 'maximum possible value'
* since the maximum value may change with new LLVM versions). A higher value than the one used when
* calling createDSPFactory can possibly be used.
*
* @return the DSP factory on success, otherwise a null pointer.
*/
LIBFAUST_API llvm_dsp_factory* readCDSPFactoryFromBitcodeFile(const char* bit_code_path, const char* target, char* error_msg, int opt_level);
/**
* Write a Faust DSP factory into a LLVM bitcode file.
*
* @param factory - the Faust DSP factory
* @param bit_code_path - the LLVM bitcode file pathname
*
* @return true on success, false on failure.
*/
LIBFAUST_API bool writeCDSPFactoryToBitcodeFile(llvm_dsp_factory* factory, const char* bit_code_path);
/**
* Create a Faust DSP factory from a LLVM IR (textual) string. Note that the library keeps an internal cache of all
* allocated factories so that the compilation of the same DSP code (that is the same LLVM IR string) will return
* the same (reference counted) factory pointer. You will have to explicitly use deleteCDSPFactory to properly
* decrement reference counter when the factory is no more needed.
*
* @param ir_code - the LLVM IR (textual) string
* @param target - the LLVM machine target: like 'i386-apple-macosx10.6.0:opteron',
* using an empty string takes the current machine settings,
* and i386-apple-macosx10.6.0:generic kind of syntax for a generic processor
* @param error_msg - the error string to be filled, has to be 4096 characters long
* @param opt_level - LLVM IR to IR optimization level (from -1 to 4, -1 means 'maximum possible value').
* A higher value than the one used when calling createDSPFactory can possibly be used
*
* @return the DSP factory on success, otherwise a null pointer.
*/
LIBFAUST_API llvm_dsp_factory* readCDSPFactoryFromIR(const char* ir_code, const char* target, char* error_msg, int opt_level);
/**
* Write a Faust DSP factory into a LLVM IR (textual) string.
*
* @param factory - the DSP factory
*
* @return the LLVM IR (textual) as a string (to be deleted by the caller using freeCMemory).
*/
LIBFAUST_API char* writeCDSPFactoryToIR(llvm_dsp_factory* factory);
/**
* Create a Faust DSP factory from a LLVM IR (textual) file. Note that the library keeps an internal cache of all
* allocated factories so that the compilation of the same DSP code (that is the same LLVM IR file) will return
* the same (reference counted) factory pointer. You will have to explicitly use deleteCDSPFactory to properly
* decrement reference counter when the factory is no more needed.
*
* @param ir_code_path - the LLVM IR (textual) file pathname
* @param target - the LLVM machine target: like 'i386-apple-macosx10.6.0:opteron',
* using an empty string takes the current machine settings,
* and i386-apple-macosx10.6.0:generic kind of syntax for a generic processor
* @param error_msg - the error string to be filled, has to be 4096 characters long
* @param opt_level - LLVM IR to IR optimization level (from -1 to 4, -1 means 'maximum possible value'
* since the maximum value may change with new LLVM versions). A higher value than the one used when calling
* createDSPFactory can possibly be used.
*
* @return the DSP factory on success, otherwise a null pointer.
*/
LIBFAUST_API llvm_dsp_factory* readCDSPFactoryFromIRFile(const char* ir_code_path, const char* target, char* error_msg, int opt_level);
/**
* Write a Faust DSP factory into a LLVM IR (textual) file.
*
* @param factory - the Faust DSP factory
* @param ir_code_path - the LLVM bitcode file pathname.
*
* @return true on success, false on failure.
*/
LIBFAUST_API bool writeCDSPFactoryToIRFile(llvm_dsp_factory* factory, const char* ir_code_path);
/**
* Create a Faust DSP factory from a base64 encoded machine code string. Note that the library keeps an internal cache of all
* allocated factories so that the compilation of the same DSP code (that is the same machine code string) will return
* the same (reference counted) factory pointer. You will have to explicitly use deleteCDSPFactory to properly
* decrement reference counter when the factory is no more needed.
*
* @param machine_code - the machine code string
* @param error_msg - the error string to be filled, has to be 4096 characters long
* @param target - the LLVM machine target: like 'i386-apple-macosx10.6.0:opteron',
* using an empty string takes the current machine settings,
* and i386-apple-macosx10.6.0:generic kind of syntax for a generic processor
*
* @return the DSP factory on success, otherwise a null pointer.
*/
LIBFAUST_API llvm_dsp_factory* readCDSPFactoryFromMachine(const char* machine_code, char* error_msg, const char* target);
/**
* Write a Faust DSP factory into a base64 encoded machine code string.
*
* @param factory - the Faust DSP factory
* @param target - the LLVM machine target: like 'i386-apple-macosx10.6.0:opteron',
* using an empty string takes the current machine settings,
* and i386-apple-macosx10.6.0:generic kind of syntax for a generic processor
*
* @return the machine code as a string (to be deleted by the caller using freeCMemory).
*/
LIBFAUST_API char* writeCDSPFactoryToMachine(llvm_dsp_factory* factory, const char* target);
/**
* Create a Faust DSP factory from a machine code file. Note that the library keeps an internal cache of all
* allocated factories so that the compilation of the same DSP code (that is the same machine code file) will return
* the same (reference counted) factory pointer. You will have to explicitly use deleteCDSPFactory to properly
* decrement reference counter when the factory is no more needed.
*
* @param machine_code_path - the machine code file pathname
* @param error_msg - the error string to be filled, has to be 4096 characters long
* @param target - the LLVM machine target: like 'i386-apple-macosx10.6.0:opteron',
* using an empty string takes the current machine settings,
* and i386-apple-macosx10.6.0:generic kind of syntax for a generic processor
*
* @return the DSP factory on success, otherwise a null pointer.
*/
LIBFAUST_API llvm_dsp_factory* readCDSPFactoryFromMachineFile(const char* machine_code_path, const char* target, char* error_msg);
/**
* Write a Faust DSP factory into a machine code file.
*
* @param factory - the Faust DSP factory
* @param machine_code_path - the machine code file pathname
* @param target - the LLVM machine target: like 'i386-apple-macosx10.6.0:opteron',
* using an empty string takes the current machine settings,
* and i386-apple-macosx10.6.0:generic kind of syntax for a generic processor
*
* @return true on success, false on failure.
*/
LIBFAUST_API bool writeCDSPFactoryToMachineFile(llvm_dsp_factory* factory, const char* machine_code_path, const char* target);
/**
* Instance functions.
*/
LIBFAUST_API int getNumInputsCDSPInstance(llvm_dsp* dsp);
LIBFAUST_API int getNumOutputsCDSPInstance(llvm_dsp* dsp);
LIBFAUST_API void buildUserInterfaceCDSPInstance(llvm_dsp* dsp, UIGlue* interface);
LIBFAUST_API int getSampleRateCDSPInstance(llvm_dsp* dsp);
LIBFAUST_API void initCDSPInstance(llvm_dsp* dsp, int sample_rate);
LIBFAUST_API void instanceInitCDSPInstance(llvm_dsp* dsp, int sample_rate);
LIBFAUST_API void instanceConstantsCDSPInstance(llvm_dsp* dsp, int sample_rate);
LIBFAUST_API void instanceResetUserInterfaceCDSPInstance(llvm_dsp* dsp);
LIBFAUST_API void instanceClearCDSPInstance(llvm_dsp* dsp);
LIBFAUST_API llvm_dsp* cloneCDSPInstance(llvm_dsp* dsp);
LIBFAUST_API void metadataCDSPInstance(llvm_dsp* dsp, MetaGlue* meta);
LIBFAUST_API void computeCDSPInstance(llvm_dsp* dsp, int count, FAUSTFLOAT** input, FAUSTFLOAT** output);
/* Set custom memory manager to be used when creating instances */
LIBFAUST_API void setCMemoryManager(llvm_dsp_factory* factory, MemoryManagerGlue* manager);
/**
* Create a Faust DSP instance.
*
* @param factory - the Faust DSP factory
*
* @return the DSP instance on success, otherwise a null pointer.
*/
LIBFAUST_API llvm_dsp* createCDSPInstance(llvm_dsp_factory* factory);
/**
* Delete a Faust DSP instance.
*
* @param dsp - the DSP instance to be deleted.
*/
LIBFAUST_API void deleteCDSPInstance(llvm_dsp* dsp);
/**
* Register a custom foreign function that will be exported by the host binary running the DSP code.
*
* @param function_name - the function name to be available
*/
LIBFAUST_API void registerCForeignFunction(const char* function_name);
#ifdef __cplusplus
}
#endif
/*!
@}
*/
#endif
/************************** END llvm-dsp-c.h **************************/