X-Git-Url: http://plrg.eecs.uci.edu/git/?p=cdsspec-compiler.git;a=blobdiff_plain;f=datarace.h;h=737a6d6e99a915a06d2f21d9f6a521a5ad126e03;hp=5bfcb8ad48cc98d007612805c2cc48567dedf984;hb=37add7f58b9494dff8f16ef8eb858194d46d1b37;hpb=7c003db5218470054490a6777c97c6611b933a12 diff --git a/datarace.h b/datarace.h index 5bfcb8a..737a6d6 100644 --- a/datarace.h +++ b/datarace.h @@ -2,11 +2,15 @@ * @brief Data race detection code. */ -#ifndef DATARACE_H +#ifndef __DATARACE_H__ +#define __DATARACE_H__ + #include "config.h" #include -#include "clockvector.h" -#include +#include "modeltypes.h" + +/* Forward declaration */ +class ModelAction; struct ShadowTable { void * array[65536]; @@ -32,28 +36,21 @@ struct DataRace { bool isnewwrite; /* Address of data race. */ - void *address; + const void *address; }; #define MASK16BIT 0xffff void initRaceDetector(); -void raceCheckWrite(thread_id_t thread, void *location, ClockVector *currClock); -void raceCheckRead(thread_id_t thread, void *location, ClockVector *currClock); +void raceCheckWrite(thread_id_t thread, void *location); +void raceCheckRead(thread_id_t thread, const void *location); bool checkDataRaces(); -void printRace(struct DataRace *race); - -extern std::vector unrealizedraces; - -/** Basic encoding idea: - * (void *) Either: - * (1) points to a full record or - * - * (2) encodes the information in a 64 bit word. Encoding is as - * follows: lowest bit set to 1, next 8 bits are read thread id, next - * 23 bits are read clock vector, next 8 bites are write thread id, - * next 23 bits are write clock vector. */ +void assert_race(struct DataRace *race); +bool haveUnrealizedRaces(); +/** + * @brief A record of information for detecting data races + */ struct RaceRecord { modelclock_t *readClock; thread_id_t *thread; @@ -77,9 +74,21 @@ struct RaceRecord { #define WRITEMASK READMASK #define WRITEVECTOR(x) (((x)>>40)&WRITEMASK) +/** + * The basic encoding idea is that (void *) either: + * -# points to a full record (RaceRecord) or + * -# encodes the information in a 64 bit word. Encoding is as + * follows: + * - lowest bit set to 1 + * - next 8 bits are read thread id + * - next 23 bits are read clock vector + * - next 8 bits are write thread id + * - next 23 bits are write clock vector + */ #define ENCODEOP(rdthread, rdtime, wrthread, wrtime) (0x1ULL | ((rdthread)<<1) | ((rdtime) << 9) | (((uint64_t)wrthread)<<32) | (((uint64_t)wrtime)<<40)) #define MAXTHREADID (THREADMASK-1) #define MAXREADVECTOR (READMASK-1) #define MAXWRITEVECTOR (WRITEMASK-1) -#endif + +#endif /* __DATARACE_H__ */