So we use long_ptr to write them indirectly. Use 8 words (128-96=32 B) to overwrite b/c often we don’t know exactly where the ret address is, due to the variety of different machines/OSes. …

Problem: Two instances mutually overwrite their values.

In the original Tomasulo’s algorithm you should only update the ARF if you overwrite the data in the RAT. In the P6 scheme you always write to the ARF. Tomasulo Data Structures(Timing …

returns to point of call must not overwrite registers or memory needed by caller Function Conventions Digital Design and Computer Architecture: RISC-V Edition

slides created by Marty Stepp, modified by Jessica Miller & Ruth Anderson. http://www.cs.washington.edu/391/

Stack-based buffer must be filled in direction of housekeeping data.

Copies of file in memory, cache, swap Study finds data remains on disk weeks after it’s been erased Disk level issues Magnetic information persists after overwrite “Ghost effects” …