Cache-Simulator | Cache Simulator in C
kandi X-RAY | Cache-Simulator Summary
kandi X-RAY | Cache-Simulator Summary
Cache Simulator in C written for Computer Architecture course CS 198:211 at Rutgers University
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QUESTION
I'm trying to use Intel Pin for investigating memory activity of an executable. And I tried to use IARG_MEMORYREAD_SIZE
parameter. Here is the source code.
ANSWER
Answered 2019-May-07 at 22:49This might fall under the case where you need to use IARG_MULTI_MEMORYACCESS_EA
(see the documentation).
Basically, according to the XSAVE documentation the number of bytes written to the memory pointed by the instruction is not constant and depends on the following factors:
- The requested-feature bitmap (RFBM)
- The logical-AND of EDX:EAX
- The logical-OR of XCR0 with the IA32_XSS MSR
You can check if you can use IARG_MEMORYREAD_SIZE
(constant memory sized instruction) or not with INS_hasKnownMemorySize
.
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