Hi
I'm running a simple DTrace script that has the following clause:
pid$target::ReportTx:entry
/arg1 != 0 && this->numEntries != 0/
{
printf("NumEntries: %lld\n", (long long)this->numEntries);
this->entry =
(ReadAcqEntry*)copyin((uintptr_t)&(this->rAcqArr[this->numEntries-1]),
sizeof(ReadAcqEntry));
this->pcInt = (uintptr_t)(this->entry->pc);
this->instr = stringof(this->pcInt);
/* @AcqTotals[this->instr] = sum(this->entry->acqNum);*/
this->numEntries--;
}
And I'm getting an invalid address error for the instruction that uses the
stringof operation. (If I comment it out, the error goes away.):
dtrace: error on enabled probe ID 10 (ID 46110:
pid25521:libSkySTMLib-STM-lazy-priv_STATS-m64-TxDbg.so:ReportTx:entry): invalid
address (0x100004000) in action #4 at DIF offset 4
Please note that this->entry->pc is of type void*, but I converted it to
uintptr_t just in case. The DTrace manual says "Any expression that is a
scalar type such as a pointer or integer or a scalar array address may be
converted to string.", so I expected it to work.
Any idea what am I doing wrong?
Thanks,
Yossi
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