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
|
/* Copyright (C) 2008, 2009, 2011 Free Software Foundation, Inc.
Contributed by Richard Henderson <rth@redhat.com>.
This file is part of the GNU Transactional Memory Library (libitm).
Libitm is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
Libitm 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 General Public License for
more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
/* The external interface of this library follows the specification described
in version 1 of http://www.intel.com/some/path/here.pdf. */
#ifndef LIBITM_H
#define LIBITM_H 1
#include <stddef.h>
#include <stdbool.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __i386__
/* Only for 32-bit x86. */
# define ITM_REGPARM __attribute__((regparm(2)))
#else
# define ITM_REGPARM
#endif
#define ITM_NORETURN __attribute__((noreturn))
#define ITM_PURE __attribute__((transaction_pure))
/* The following are externally visible definitions and functions, though
only very few of these should be called by user code. */
/* Values used as arguments to abort. */
typedef enum {
userAbort = 1,
userRetry = 2,
TMConflict= 4,
exceptionBlockAbort = 8,
outerAbort = 16
} _ITM_abortReason;
/* Arguments to changeTransactionMode */
typedef enum
{
modeSerialIrrevocable,
} _ITM_transactionState;
/* Results from inTransaction */
typedef enum
{
outsideTransaction = 0, /* So "if (inTransaction(td))" works */
inRetryableTransaction,
inIrrevocableTransaction
} _ITM_howExecuting;
/* Values to describe properties of code, passed in to beginTransaction */
typedef enum
{
pr_instrumentedCode = 0x0001,
pr_uninstrumentedCode = 0x0002,
pr_multiwayCode = pr_instrumentedCode | pr_uninstrumentedCode,
/* Called pr_hasNoXMMUpdate in the Intel document, used for
avoiding vector register save/restore for any target. */
pr_hasNoVectorUpdate = 0x0004,
pr_hasNoAbort = 0x0008,
/* Not present in the Intel document, used for avoiding
floating point register save/restore for any target. */
pr_hasNoFloatUpdate = 0x0010,
pr_hasNoIrrevocable = 0x0020,
pr_doesGoIrrevocable = 0x0040,
pr_aWBarriersOmitted = 0x0100,
pr_RaRBarriersOmitted = 0x0200,
pr_undoLogCode = 0x0400,
pr_preferUninstrumented = 0x0800,
/* Exception blocks are not used nor supported. */
pr_exceptionBlock = 0x1000,
pr_hasElse = 0x2000,
pr_readOnly = 0x4000,
pr_hasNoSimpleReads = 0x400000
} _ITM_codeProperties;
/* Result from startTransaction that describes what actions to take. */
typedef enum
{
a_runInstrumentedCode = 0x01,
a_runUninstrumentedCode = 0x02,
a_saveLiveVariables = 0x04,
a_restoreLiveVariables = 0x08,
a_abortTransaction = 0x10,
} _ITM_actions;
typedef struct
{
uint32_t reserved_1;
uint32_t flags;
uint32_t reserved_2;
uint32_t reserved_3;
const char *psource;
} _ITM_srcLocation;
typedef void (* _ITM_userUndoFunction)(void *);
typedef void (* _ITM_userCommitFunction) (void *);
#define _ITM_VERSION "0.90 (Feb 29 2008)"
#define _ITM_VERSION_NO 90
extern int _ITM_versionCompatible (int) ITM_REGPARM;
extern const char * _ITM_libraryVersion (void) ITM_REGPARM;
void _ITM_error(const _ITM_srcLocation *, int errorCode)
ITM_REGPARM ITM_NORETURN;
extern _ITM_howExecuting _ITM_inTransaction(void) ITM_REGPARM;
typedef uint64_t _ITM_transactionId_t; /* Transaction identifier */
#define _ITM_noTransactionId 1 /* Id for non-transactional code. */
extern _ITM_transactionId_t _ITM_getTransactionId(void) ITM_REGPARM;
extern uint32_t _ITM_beginTransaction(uint32_t, ...) ITM_REGPARM;
extern void _ITM_abortTransaction(_ITM_abortReason) ITM_REGPARM ITM_NORETURN;
extern void _ITM_commitTransaction (void) ITM_REGPARM;
extern void _ITM_changeTransactionMode (_ITM_transactionState) ITM_REGPARM;
extern void _ITM_addUserCommitAction(_ITM_userCommitFunction,
_ITM_transactionId_t, void *) ITM_REGPARM;
extern void _ITM_addUserUndoAction(_ITM_userUndoFunction, void *) ITM_REGPARM;
extern int _ITM_getThreadnum(void) ITM_REGPARM;
extern void _ITM_dropReferences (void *, size_t) ITM_REGPARM ITM_PURE;
extern void *_ITM_malloc (size_t)
__attribute__((__malloc__)) ITM_PURE;
extern void *_ITM_calloc (size_t, size_t)
__attribute__((__malloc__)) ITM_PURE;
extern void _ITM_free (void *) ITM_PURE;
/* The following typedefs exist to make the macro expansions below work
properly. They are not part of any API. */
typedef uint8_t _ITM_TYPE_U1;
typedef uint16_t _ITM_TYPE_U2;
typedef uint32_t _ITM_TYPE_U4;
typedef uint64_t _ITM_TYPE_U8;
typedef float _ITM_TYPE_F;
typedef double _ITM_TYPE_D;
typedef long double _ITM_TYPE_E;
typedef float _Complex _ITM_TYPE_CF;
typedef double _Complex _ITM_TYPE_CD;
typedef long double _Complex _ITM_TYPE_CE;
#define ITM_BARRIERS(T) \
extern _ITM_TYPE_##T _ITM_R##T(const _ITM_TYPE_##T *) ITM_REGPARM; \
extern _ITM_TYPE_##T _ITM_RaR##T(const _ITM_TYPE_##T *) ITM_REGPARM; \
extern _ITM_TYPE_##T _ITM_RaW##T(const _ITM_TYPE_##T *) ITM_REGPARM; \
extern _ITM_TYPE_##T _ITM_RfW##T(const _ITM_TYPE_##T *) ITM_REGPARM; \
extern void _ITM_W##T (_ITM_TYPE_##T *, _ITM_TYPE_##T) ITM_REGPARM; \
extern void _ITM_WaR##T (_ITM_TYPE_##T *, _ITM_TYPE_##T) ITM_REGPARM; \
extern void _ITM_WaW##T (_ITM_TYPE_##T *, _ITM_TYPE_##T) ITM_REGPARM;
ITM_BARRIERS(U1)
ITM_BARRIERS(U2)
ITM_BARRIERS(U4)
ITM_BARRIERS(U8)
ITM_BARRIERS(F)
ITM_BARRIERS(D)
ITM_BARRIERS(E)
ITM_BARRIERS(CF)
ITM_BARRIERS(CD)
ITM_BARRIERS(CE)
#define ITM_LOG(T) \
extern void _ITM_L##T (const _ITM_TYPE_##T *) ITM_REGPARM;
ITM_LOG(U1)
ITM_LOG(U2)
ITM_LOG(U4)
ITM_LOG(U8)
ITM_LOG(F)
ITM_LOG(D)
ITM_LOG(E)
ITM_LOG(CF)
ITM_LOG(CD)
ITM_LOG(CE)
#if defined(__i386__) || defined(__x86_64__)
# ifdef __MMX__
typedef int _ITM_TYPE_M64 __attribute__((vector_size(8), may_alias));
ITM_BARRIERS(M64)
ITM_LOG(M64)
# endif
# ifdef __SSE__
typedef float _ITM_TYPE_M128 __attribute__((vector_size(16), may_alias));
ITM_BARRIERS(M128)
ITM_LOG(M128)
# endif
# ifdef __AVX__
typedef float _ITM_TYPE_M256 __attribute__((vector_size(32), may_alias));
ITM_BARRIERS(M256)
ITM_LOG(M256)
# endif
#endif /* i386 */
#undef ITM_BARRIERS
#undef ITM_LOG
extern void _ITM_LB (const void *, size_t) ITM_REGPARM;
extern void _ITM_memcpyRnWt(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memcpyRnWtaR(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memcpyRnWtaW(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memcpyRtWn(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memcpyRtWt(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memcpyRtWtaR(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memcpyRtWtaW(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memcpyRtaRWn(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memcpyRtaRWt(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memcpyRtaRWtaR(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memcpyRtaRWtaW(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memcpyRtaWWn(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memcpyRtaWWt(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memcpyRtaWWtaR(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memcpyRtaWWtaW(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memmoveRnWt(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memmoveRnWtaR(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memmoveRnWtaW(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memmoveRtWn(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memmoveRtWt(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memmoveRtWtaR(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memmoveRtWtaW(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memmoveRtaRWn(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memmoveRtaRWt(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memmoveRtaRWtaR(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memmoveRtaRWtaW(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memmoveRtaWWn(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memmoveRtaWWt(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memmoveRtaWWtaR(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memmoveRtaWWtaW(void *, const void *, size_t) ITM_REGPARM;
extern void _ITM_memsetW(void *, int, size_t) ITM_REGPARM;
extern void _ITM_memsetWaR(void *, int, size_t) ITM_REGPARM;
extern void _ITM_memsetWaW(void *, int, size_t) ITM_REGPARM;
// ??? These are not yet in the official spec; still work-in-progress.
extern void *_ITM_getTMCloneOrIrrevocable (void *) ITM_REGPARM;
extern void *_ITM_getTMCloneSafe (void *) ITM_REGPARM;
extern void _ITM_registerTMCloneTable (void *, size_t);
extern void _ITM_deregisterTMCloneTable (void *);
extern void *_ITM_cxa_allocate_exception (size_t);
extern void _ITM_cxa_throw (void *obj, void *tinfo, void *dest);
extern void *_ITM_cxa_begin_catch (void *exc_ptr);
extern void _ITM_cxa_end_catch (void);
extern void _ITM_commitTransactionEH(void *exc_ptr) ITM_REGPARM;
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* LIBITM_H */
|
