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I am Dave Jing Tian, an Assistant Professor in the Department of Computer Science at Purdue University working on system security. My research involves embedded systems, operating systems, trusted and confidential computing, and hardware security and trust. All opinions are my own.
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Tag Archives: trapdoor
Hacking Valgrind
This post talks about 3 commits I have recently added into my own valgrind tree [1], including the support for fsgsbase instructions, rdrand/rdseed instructions, and adding a new trapdoor (client request) to support gdb-like add-symbol-file command. Note that all these … Continue reading
Posted in Dave's Tools, Programming
Tagged add-symbol-file, cpuid, fortanix, fsgsbase, gdb, rdrand, rdseed, trapdoor, valgrind, x86_64
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Valgrind trapdoor and fun
Valgrind has a client request mechanism, which allows a client to pass some information back to valgrind. This includes asks valgrind to do a logging in its own environment, tells valgrind a range of VA being used as a new … Continue reading
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