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