{{ message }}
-
-
Notifications
You must be signed in to change notification settings - Fork 35.4k
Expand file tree
/
Copy pathpycore_ceval.h
More file actions
493 lines (402 loc) · 17.5 KB
/
Copy pathpycore_ceval.h
File metadata and controls
493 lines (402 loc) · 17.5 KB
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
#ifndef Py_INTERNAL_CEVAL_H
#define Py_INTERNAL_CEVAL_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
#include "dynamic_annotations.h" // _Py_ANNOTATE_RWLOCK_CREATE
#include "pycore_code.h" // _PyCode_GetTLBCFast()
#include "pycore_interp.h" // PyInterpreterState.eval_frame
#include "pycore_pystate.h" // _PyThreadState_GET()
#include "pycore_stats.h" // EVAL_CALL_STAT_INC()
#include "pycore_typedefs.h" // _PyInterpreterFrame
/* Forward declarations */
struct _ceval_runtime_state;
// Export for '_lsprof' shared extension
PyAPI_FUNC(int) _PyEval_SetProfile(PyThreadState *tstate, Py_tracefunc func, PyObject *arg);
extern int _PyEval_SetProfileAllThreads(PyInterpreterState *interp, Py_tracefunc func, PyObject *arg);
extern int _PyEval_SetTrace(PyThreadState *tstate, Py_tracefunc func, PyObject *arg);
extern int _PyEval_SetTraceAllThreads(PyInterpreterState *interp, Py_tracefunc func, PyObject *arg);
extern int _PyEval_SetOpcodeTrace(PyFrameObject *f, bool enable);
// Helper to look up a builtin object
// Export for 'array' shared extension
PyAPI_FUNC(PyObject*) _PyEval_GetBuiltin(PyObject *);
extern void _PyEval_SetSwitchInterval(unsigned long microseconds);
extern unsigned long _PyEval_GetSwitchInterval(void);
// Export for '_queue' shared extension
PyAPI_FUNC(int) _PyEval_MakePendingCalls(PyThreadState *);
#ifndef Py_DEFAULT_RECURSION_LIMIT
# define Py_DEFAULT_RECURSION_LIMIT 1000
#endif
extern void _Py_FinishPendingCalls(PyThreadState *tstate);
extern void _PyEval_InitState(PyInterpreterState *);
extern void _PyEval_SignalReceived(void);
// bitwise flags:
#define _Py_PENDING_MAINTHREADONLY 1
#define _Py_PENDING_RAWFREE 2
typedef int _Py_add_pending_call_result;
#define _Py_ADD_PENDING_SUCCESS 0
#define _Py_ADD_PENDING_FULL -1
// Export for '_testinternalcapi' shared extension
PyAPI_FUNC(_Py_add_pending_call_result) _PyEval_AddPendingCall(
PyInterpreterState *interp,
_Py_pending_call_func func,
void *arg,
int flags);
#ifdef HAVE_FORK
extern PyStatus _PyEval_ReInitThreads(PyThreadState *tstate);
#endif
// Used by sys.call_tracing()
extern PyObject* _PyEval_CallTracing(PyObject *func, PyObject *args);
// Used by sys.get_asyncgen_hooks()
extern PyObject* _PyEval_GetAsyncGenFirstiter(void);
extern PyObject* _PyEval_GetAsyncGenFinalizer(void);
// Used by sys.set_asyncgen_hooks()
extern int _PyEval_SetAsyncGenFirstiter(PyObject *);
extern int _PyEval_SetAsyncGenFinalizer(PyObject *);
// Used by sys.get_coroutine_origin_tracking_depth()
// and sys.set_coroutine_origin_tracking_depth()
extern int _PyEval_GetCoroutineOriginTrackingDepth(void);
extern int _PyEval_SetCoroutineOriginTrackingDepth(int depth);
extern void _PyEval_Fini(void);
extern PyObject* _PyEval_GetBuiltins(PyThreadState *tstate);
// Trampoline API
typedef struct {
// Callback to initialize the trampoline state
void* (*init_state)(void);
// Callback to register every trampoline being created
void (*write_state)(void* state, const void *code_addr,
size_t code_size, PyCodeObject* code);
// Callback to free the trampoline state
int (*free_state)(void* state);
} _PyPerf_Callbacks;
extern int _PyPerfTrampoline_SetCallbacks(_PyPerf_Callbacks *);
extern void _PyPerfTrampoline_GetCallbacks(_PyPerf_Callbacks *);
extern int _PyPerfTrampoline_Init(int activate);
extern int _PyPerfTrampoline_Fini(void);
extern int _PyIsPerfTrampolineActive(void);
extern PyStatus _PyPerfTrampoline_AfterFork_Child(void);
#ifdef PY_HAVE_PERF_TRAMPOLINE
extern _PyPerf_Callbacks _Py_perfmap_callbacks;
extern _PyPerf_Callbacks _Py_perfmap_jit_callbacks;
extern void _PyPerfJit_WriteNamedCode(const void *code_addr,
size_t code_size,
const char *entry,
const char *filename);
#endif
static inline PyObject*
_PyEval_EvalFrame(PyThreadState *tstate, _PyInterpreterFrame *frame, int throwflag)
{
EVAL_CALL_STAT_INC(EVAL_CALL_TOTAL);
if (tstate->interp->eval_frame == NULL) {
return _PyEval_EvalFrameDefault(tstate, frame, throwflag);
}
return tstate->interp->eval_frame(tstate, frame, throwflag);
}
#ifdef _Py_TIER2
_Py_CODEUNIT *_PyTier2Interpreter(
struct _PyExecutorObject *current_executor, _PyInterpreterFrame *frame,
_PyStackRef *stack_pointer, PyThreadState *tstate
);
#endif
extern _PyJitEntryFuncPtr _Py_jit_entry;
extern PyObject*
_PyEval_Vector(PyThreadState *tstate,
PyFunctionObject *func, PyObject *locals,
PyObject* const* args, size_t argcount,
PyObject *kwnames);
extern int _PyEval_ThreadsInitialized(void);
extern void _PyEval_InitGIL(PyThreadState *tstate, int own_gil);
extern void _PyEval_FiniGIL(PyInterpreterState *interp);
extern void _PyEval_AcquireLock(PyThreadState *tstate);
extern void _PyEval_ReleaseLock(PyInterpreterState *, PyThreadState *,
int final_release);
#ifdef Py_GIL_DISABLED
// Returns 0 or 1 if the GIL for the given thread's interpreter is disabled or
// enabled, respectively.
//
// The enabled state of the GIL will not change while one or more threads are
// attached.
static inline int
_PyEval_IsGILEnabled(PyThreadState *tstate)
{
struct _gil_runtime_state *gil = tstate->interp->ceval.gil;
return _Py_atomic_load_int_relaxed(&gil->enabled) != 0;
}
// Enable or disable the GIL used by the interpreter that owns tstate, which
// must be the current thread. This may affect other interpreters, if the GIL
// is shared. All three functions will be no-ops (and return 0) if the
// interpreter's `enable_gil' config is not _PyConfig_GIL_DEFAULT.
//
// Every call to _PyEval_EnableGILTransient() must be paired with exactly one
// call to either _PyEval_EnableGILPermanent() or
// _PyEval_DisableGIL(). _PyEval_EnableGILPermanent() and _PyEval_DisableGIL()
// must only be called while the GIL is enabled from a call to
// _PyEval_EnableGILTransient().
//
// _PyEval_EnableGILTransient() returns 1 if it enabled the GIL, or 0 if the
// GIL was already enabled, whether transiently or permanently. The caller will
// hold the GIL upon return.
//
// _PyEval_EnableGILPermanent() returns 1 if it permanently enabled the GIL
// (which must already be enabled), or 0 if it was already permanently
// enabled. Once _PyEval_EnableGILPermanent() has been called once, all
// subsequent calls to any of the three functions will be no-ops.
//
// _PyEval_DisableGIL() returns 1 if it disabled the GIL, or 0 if the GIL was
// kept enabled because of another request, whether transient or permanent.
//
// All three functions must be called by an attached thread (this implies that
// if the GIL is enabled, the current thread must hold it).
extern int _PyEval_EnableGILTransient(PyThreadState *tstate);
extern int _PyEval_EnableGILPermanent(PyThreadState *tstate);
extern int _PyEval_DisableGIL(PyThreadState *state);
static inline _Py_CODEUNIT *
_PyEval_GetExecutableCode(PyThreadState *tstate, PyCodeObject *co)
{
_Py_CODEUNIT *bc = _PyCode_GetTLBCFast(tstate, co);
if (bc != NULL) {
return bc;
}
return _PyCode_GetTLBC(co);
}
#endif
extern void _PyEval_DeactivateOpCache(void);
/* --- _Py_EnterRecursiveCall() ----------------------------------------- */
static inline int _Py_ReachedRecursionLimit(PyThreadState *tstate) {
uintptr_t here_addr = _Py_get_machine_stack_pointer();
_PyThreadStateImpl *_tstate = (_PyThreadStateImpl *)tstate;
// Possible overflow if stack pointer is beyond the soft limit.
// _Py_CheckRecursiveCall will check for corner cases and
// report an error if there is an overflow.
#if _Py_STACK_GROWS_DOWN
return here_addr < _tstate->c_stack_soft_limit;
#else
return here_addr > _tstate->c_stack_soft_limit;
#endif
}
// Export for '_json' shared extension, used via _Py_EnterRecursiveCall()
// static inline function.
PyAPI_FUNC(int) _Py_CheckRecursiveCall(
PyThreadState *tstate,
const char *where);
PyAPI_FUNC(int) _Py_CheckRecursiveCallPy(
PyThreadState *tstate);
static inline int _Py_EnterRecursiveCallTstate(PyThreadState *tstate,
const char *where) {
return (_Py_ReachedRecursionLimit(tstate) && _Py_CheckRecursiveCall(tstate, where));
}
static inline int _Py_EnterRecursiveCall(const char *where) {
PyThreadState *tstate = _PyThreadState_GET();
return _Py_EnterRecursiveCallTstate(tstate, where);
}
static inline void _Py_LeaveRecursiveCallTstate(PyThreadState *tstate) {
(void)tstate;
}
PyAPI_FUNC(void) _Py_InitializeRecursionLimits(PyThreadState *tstate);
// Export for test_peg_generator
PyAPI_FUNC(int) _Py_ReachedRecursionLimitWithMargin(
PyThreadState *tstate,
int margin_count);
static inline void _Py_LeaveRecursiveCall(void) {
}
extern _PyInterpreterFrame* _PyEval_GetFrame(void);
extern PyObject * _PyEval_GetGlobalsFromRunningMain(PyThreadState *);
extern int _PyEval_EnsureBuiltins(
PyThreadState *,
PyObject *,
PyObject **p_builtins);
extern int _PyEval_EnsureBuiltinsWithModule(
PyThreadState *,
PyObject *,
PyObject **p_builtins);
PyAPI_FUNC(PyObject *)_Py_MakeCoro(PyFunctionObject *func);
/* Handle signals, pending calls, GIL drop request
and asynchronous exception */
PyAPI_FUNC(int) _Py_HandlePending(PyThreadState *tstate);
/* Raise exception set by PyThreadState_SetAsyncExc, if any */
PyAPI_FUNC(int) _PyEval_RaiseAsyncExc(PyThreadState *tstate);
extern PyObject * _PyEval_GetFrameLocals(void);
typedef PyObject *(*conversion_func)(PyObject *);
PyAPI_DATA(const binaryfunc) _PyEval_BinaryOps[];
PyAPI_DATA(const conversion_func) _PyEval_ConversionFuncs[];
typedef struct _special_method {
PyObject *name;
const char *error;
const char *error_suggestion; // improved optional suggestion
} _Py_SpecialMethod;
PyAPI_DATA(const _Py_SpecialMethod) _Py_SpecialMethods[];
PyAPI_DATA(const size_t) _Py_FunctionAttributeOffsets[];
PyAPI_FUNC(int) _PyEval_CheckExceptStarTypeValid(PyThreadState *tstate, PyObject* right);
PyAPI_FUNC(int) _PyEval_CheckExceptTypeValid(PyThreadState *tstate, PyObject* right);
PyAPI_FUNC(int) _PyEval_ExceptionGroupMatch(_PyInterpreterFrame *, PyObject* exc_value, PyObject *match_type, PyObject **match, PyObject **rest);
PyAPI_FUNC(void) _PyEval_FormatAwaitableError(PyThreadState *tstate, PyTypeObject *type, int oparg);
PyAPI_FUNC(void) _PyEval_FormatExcCheckArg(PyThreadState *tstate, PyObject *exc, const char *format_str, PyObject *obj);
PyAPI_FUNC(void) _PyEval_FormatExcUnbound(PyThreadState *tstate, PyCodeObject *co, int oparg);
PyAPI_FUNC(void) _PyEval_FormatKwargsError(PyThreadState *tstate, PyObject *func, PyObject *kwargs, PyObject *dupkey);
PyAPI_FUNC(PyObject *) _PyEval_ImportFrom(PyThreadState *, PyObject *, PyObject *);
PyAPI_FUNC(PyObject *) _PyEval_LazyImportName(
PyThreadState *tstate, PyObject *builtins, PyObject *globals,
PyObject *locals, PyObject *name, PyObject *fromlist, PyObject *level,
int lazy);
PyAPI_FUNC(PyObject *) _PyEval_LazyImportFrom(
PyThreadState *tstate, _PyInterpreterFrame *frame, PyObject *v, PyObject *name);
PyAPI_FUNC(PyObject *) _PyEval_ImportName(
PyThreadState *tstate, PyObject *builtins, PyObject *globals,
PyObject *locals, PyObject *name, PyObject *fromlist, PyObject *level);
PyObject * _PyEval_ImportNameWithImport(
PyThreadState *tstate, PyObject *import_func, PyObject *globals,
PyObject *locals, PyObject *name, PyObject *fromlist, PyObject *level);
PyAPI_FUNC(PyObject *)_PyEval_MatchClass(PyThreadState *tstate, PyObject *subject, PyObject *type, Py_ssize_t nargs, PyObject *kwargs);
PyAPI_FUNC(PyObject *)_PyEval_MatchKeys(PyThreadState *tstate, PyObject *map, PyObject *keys);
PyAPI_FUNC(void) _PyEval_MonitorRaise(PyThreadState *tstate, _PyInterpreterFrame *frame, _Py_CODEUNIT *instr);
PyAPI_FUNC(bool) _PyEval_NoToolsForUnwind(PyThreadState *tstate, _PyInterpreterFrame *frame);
PyAPI_FUNC(int) _PyEval_UnpackIterableStackRef(PyThreadState *tstate, PyObject *v, int argcnt, int argcntafter, _PyStackRef *sp);
PyAPI_FUNC(void) _PyEval_FrameClearAndPop(PyThreadState *tstate, _PyInterpreterFrame *frame);
PyAPI_FUNC(PyObject **) _PyObjectArray_FromStackRefArray(_PyStackRef *input, Py_ssize_t nargs, PyObject **scratch);
PyAPI_FUNC(void) _PyObjectArray_Free(PyObject **array, PyObject **scratch);
PyAPI_FUNC(PyObject *) _PyEval_GetANext(PyObject *aiter);
PyAPI_FUNC(void) _PyEval_LoadGlobalStackRef(PyObject *globals, PyObject *builtins, PyObject *name, _PyStackRef *writeto);
PyAPI_FUNC(PyObject *) _PyEval_GetAwaitable(PyObject *iterable, int oparg);
PyAPI_FUNC(PyObject *) _PyEval_LoadName(PyThreadState *tstate, _PyInterpreterFrame *frame, PyObject *name);
PyAPI_FUNC(int)
_Py_Check_ArgsIterable(PyThreadState *tstate, PyObject *func, PyObject *args);
PyAPI_FUNC(_PyStackRef) _PyEval_GetIter(_PyStackRef iterable, _PyStackRef *null_or_index, int yield_from);
PyAPI_FUNC(int) _PyEval_StoreName(PyThreadState *tstate, _PyStackRef v, PyObject *name, PyObject* ns);
/*
* Indicate whether a special method of given 'oparg' can use the (improved)
* alternative error message instead. Only methods loaded by LOAD_SPECIAL
* support alternative error messages.
*
* Symbol is exported for the JIT (see discussion on GH-132218).
*/
PyAPI_FUNC(int)
_PyEval_SpecialMethodCanSuggest(PyObject *self, int oparg);
/* Bits that can be set in PyThreadState.eval_breaker */
#define _PY_GIL_DROP_REQUEST_BIT (1U << 0)
#define _PY_SIGNALS_PENDING_BIT (1U << 1)
#define _PY_CALLS_TO_DO_BIT (1U << 2)
#define _PY_ASYNC_EXCEPTION_BIT (1U << 3)
#define _PY_GC_SCHEDULED_BIT (1U << 4)
#define _PY_EVAL_PLEASE_STOP_BIT (1U << 5)
#define _PY_EVAL_EXPLICIT_MERGE_BIT (1U << 6)
#define _PY_EVAL_JIT_INVALIDATE_COLD_BIT (1U << 7)
/* Reserve a few bits for future use */
#define _PY_EVAL_EVENTS_BITS 8
#define _PY_EVAL_EVENTS_MASK ((1 << _PY_EVAL_EVENTS_BITS)-1)
static inline void
_Py_set_eval_breaker_bit(PyThreadState *tstate, uintptr_t bit)
{
_Py_atomic_or_uintptr(&tstate->eval_breaker, bit);
}
static inline void
_Py_unset_eval_breaker_bit(PyThreadState *tstate, uintptr_t bit)
{
_Py_atomic_and_uintptr(&tstate->eval_breaker, ~bit);
}
static inline int
_Py_eval_breaker_bit_is_set(PyThreadState *tstate, uintptr_t bit)
{
uintptr_t b = _Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker);
return (b & bit) != 0;
}
// Free-threaded builds use these functions to set or unset a bit on all
// threads in the given interpreter.
void _Py_set_eval_breaker_bit_all(PyInterpreterState *interp, uintptr_t bit);
void _Py_unset_eval_breaker_bit_all(PyInterpreterState *interp, uintptr_t bit);
#ifndef Py_SUPPORTS_REMOTE_DEBUG
#if defined(__APPLE__)
#include <TargetConditionals.h>
# if !defined(TARGET_OS_OSX)
// Older macOS SDKs do not define TARGET_OS_OSX
# define TARGET_OS_OSX 1
# endif
#endif
#if ((defined(__APPLE__) && TARGET_OS_OSX) || defined(MS_WINDOWS) || (defined(__linux__) && HAVE_PROCESS_VM_READV))
# define Py_SUPPORTS_REMOTE_DEBUG 1
#endif
#endif
#if defined(Py_REMOTE_DEBUG) && defined(Py_SUPPORTS_REMOTE_DEBUG)
extern int _PyRunRemoteDebugger(PyThreadState *tstate);
#endif
PyAPI_FUNC(_PyStackRef)
_PyForIter_VirtualIteratorNext(PyThreadState* tstate, struct _PyInterpreterFrame* frame, _PyStackRef iter, _PyStackRef *index_ptr);
/* Special methods used by LOAD_SPECIAL */
#define SPECIAL___ENTER__ 0
#define SPECIAL___EXIT__ 1
#define SPECIAL___AENTER__ 2
#define SPECIAL___AEXIT__ 3
#define SPECIAL_MAX 3
PyAPI_DATA(const _Py_CODEUNIT *) _Py_INTERPRETER_TRAMPOLINE_INSTRUCTIONS_PTR;
/* Helper functions for large uops */
PyAPI_FUNC(PyObject *)
_Py_VectorCall_StackRefSteal(
_PyStackRef callable,
_PyStackRef *arguments,
int total_args,
_PyStackRef kwnames);
PyAPI_FUNC(PyObject*)
_Py_VectorCallInstrumentation_StackRefSteal(
_PyStackRef callable,
_PyStackRef* arguments,
int total_args,
_PyStackRef kwnames,
bool call_instrumentation,
_PyInterpreterFrame* frame,
_Py_CODEUNIT* this_instr,
PyThreadState* tstate);
PyAPI_FUNC(PyObject *)
_Py_BuiltinCallFast_StackRef(
_PyStackRef callable,
_PyStackRef *arguments,
int total_args);
PyAPI_FUNC(PyObject *)
_Py_BuiltinCallFastWithKeywords_StackRef(
_PyStackRef callable,
_PyStackRef *arguments,
int total_args);
PyAPI_FUNC(PyObject *)
_PyCallMethodDescriptorFast_StackRef(
_PyStackRef callable,
PyCFunctionFast cfunc,
PyObject *self,
_PyStackRef *arguments,
int total_args);
PyAPI_FUNC(PyObject *)
_PyCallMethodDescriptorFastWithKeywords_StackRef(
_PyStackRef callable,
PyCFunctionFastWithKeywords cfunc,
PyObject *self,
_PyStackRef *arguments,
int total_args);
PyAPI_FUNC(PyObject *)
_Py_CallBuiltinClass_StackRef(
_PyStackRef callable,
_PyStackRef *arguments,
int total_args);
PyAPI_FUNC(PyObject *)
_Py_BuildString_StackRefSteal(
_PyStackRef *arguments,
int total_args);
PyAPI_FUNC(PyObject *)
_Py_BuildMap_StackRefSteal(
_PyStackRef *arguments,
int half_args);
PyAPI_FUNC(void)
_Py_assert_within_stack_bounds(
_PyInterpreterFrame *frame, _PyStackRef *stack_pointer,
const char *filename, int lineno);
PyAPI_FUNC(_PyStackRef)
_Py_LoadAttr_StackRefSteal(
PyThreadState *tstate, _PyStackRef owner,
PyObject *name, _PyStackRef *self_or_null);
// Like PyMapping_GetOptionalItem, but returns the PyObject* instead of taking
// it as an out parameter. This helps MSVC's escape analysis when used with
// tail calling.
PyAPI_FUNC(PyObject*) _PyMapping_GetOptionalItem2(PyObject* obj, PyObject* key, int* err);
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_CEVAL_H */
You can’t perform that action at this time.