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/* -*- mode: C; c-basic-offset: 3; -*- */
/*
This file is part of drd, a thread error detector.
Copyright (C) 2006-2009 Bart Van Assche <bart.vanassche@gmail.com>.
This program 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 2 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
General Public License for more details.
You should have received a copy of the GNU 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.
The GNU General Public License is contained in the file COPYING.
*/
#ifndef __DRD_ERROR_H
#define __DRD_ERROR_H
#include "pub_drd_bitmap.h" // BmAccessTypeT
#include "drd_thread.h" // DrdThreadId
#include "pub_tool_basics.h" // SizeT
#include "pub_tool_debuginfo.h" // SegInfo
#include "pub_tool_errormgr.h" // ExeContext
/* DRD error types. */
typedef enum {
#define STR_DataRaceErr "ConflictingAccess"
DataRaceErr = 1,
#define STR_MutexErr "MutexErr"
MutexErr = 2,
#define STR_CondErr "CondErr"
CondErr = 3,
#define STR_CondDestrErr "CondDestrErr"
CondDestrErr = 4,
#define STR_CondRaceErr "CondRaceErr"
CondRaceErr = 5,
#define STR_CondWaitErr "CondWaitErr"
CondWaitErr = 6,
#define STR_SemaphoreErr "SemaphoreErr"
SemaphoreErr = 7,
#define STR_BarrierErr "BarrierErr"
BarrierErr = 8,
#define STR_RwlockErr "RwlockErr"
RwlockErr = 9,
#define STR_HoldtimeErr "HoldtimeErr"
HoldtimeErr = 10,
#define STR_GenericErr "GenericErr"
GenericErr = 11,
} DrdErrorKind;
/* The classification of a faulting address. */
typedef
enum {
//Undescribed, // as-yet unclassified
eStack,
eUnknown, // classification yielded nothing useful
//Freed,
eMallocd,
eSegment, // in a segment (as defined in pub_tool_debuginfo.h)
//UserG, // in a user-defined block
//Mempool, // in a mempool
//Register, // in a register; for Param errors only
}
AddrKind;
/* Records info about a faulting address. */
typedef
struct { // Used by:
AddrKind akind; // ALL
SizeT size; // ALL
PtrdiffT rwoffset; // ALL
ExeContext* lastchange; // Mallocd
DrdThreadId stack_tid; // Stack
DebugInfo* debuginfo; // Segment
Char name[256]; // Segment
Char descr[256]; // Segment
}
AddrInfo;
typedef struct {
DrdThreadId tid; // Thread ID of the running thread.
Addr addr; // Conflicting address in current thread.
SizeT size; // Size in bytes of conflicting operation.
BmAccessTypeT access_type; // Access type: load or store.
} DataRaceErrInfo;
typedef struct {
Addr mutex;
Int recursion_count;
DrdThreadId owner;
} MutexErrInfo;
typedef struct {
Addr cond;
} CondErrInfo;
typedef struct {
Addr cond;
Addr mutex;
DrdThreadId tid;
} CondDestrErrInfo;
typedef struct {
Addr cond;
Addr mutex;
} CondRaceErrInfo;
typedef struct {
Addr cond;
Addr mutex1;
Addr mutex2;
} CondWaitErrInfo;
typedef struct {
Addr semaphore;
} SemaphoreErrInfo;
typedef struct {
Addr barrier;
DrdThreadId other_tid;
ExeContext* other_context;
} BarrierErrInfo;
typedef struct {
Addr rwlock;
} RwlockErrInfo;
typedef struct {
Addr synchronization_object;
ExeContext* acquired_at;
UInt hold_time_ms;
UInt threshold_ms;
} HoldtimeErrInfo;
typedef struct {
} GenericErrInfo;
void DRD_(set_show_conflicting_segments)(const Bool scs);
void DRD_(register_error_handlers)(void);
#endif /* __DRD_ERROR_H */
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