Re: 'recording' program execution.

2008-10-31 Thread wuxi
[EMAIL PROTECTED] wrote: have a look at the flag -finstrument-functions for gcc. as far as I know, this could only record at function entry and return ? but sometimes recording all the "trace" of how program behaves is useful for debugging purpose. further, using a binary instrumentation too

"Annotate" INSN in gcc

2008-11-01 Thread wuxi
Hi, I am working on IA64 and gcc4.1.1. My primary work is to use control speculation on IA64 to implement efficient taint tracking. We have already had a paper on ISCA'08. For this purpose, I add a pass (before the 2nd instruction scheduling) to instrument loads, stores, and compares. During

Cannot understand the reloading code

2008-11-08 Thread wuxi
Hi, I am working on Itanium and gcc4.1.1. My work is mainly do instrumentations to enable efficient taint tracking (using NaT bit on IA-64 to represent tainted data.) on IA-64.(recently i am porting my code to gcc4.3.2, but that has not been accomplished, because i should also port my modifie