Mercurial > hg > CbC > CbC_gcc
diff libitm/libitm.h @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libitm/libitm.h Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,296 @@ +/* Copyright (C) 2008-2017 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. + Some of these constants are duplicated in some of the ITM_beginTransaction + implementations, so update those too when applying any changes. */ +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, + /* These are not part of the ABI but used for custom HTM fast paths. See + ITM_beginTransaction and gtm_thread::begin_transaction. */ + pr_HTMRetryableAbort = 0x800000, + pr_HTMRetriedAfterAbort = 0x1000000 +} _ITM_codeProperties; + +/* Result from startTransaction that describes what actions to take. + Some of these constants are duplicated in some of the ITM_beginTransaction + implementations, so update those too when applying any changes. */ +typedef enum +{ + a_runInstrumentedCode = 0x01, + a_runUninstrumentedCode = 0x02, + a_saveLiveVariables = 0x04, + a_restoreLiveVariables = 0x08, + a_abortTransaction = 0x10, + a_tryHTMFastPath = 0x20 +} _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 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_free_exception (void *exc_ptr); +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 */