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www.ralfj.de | ||
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coredumped.dev
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| | | | | In this post, we are going to take a deep dive into pointer tagging, where metadata is encoded into a word-sized pointer. Doing so allows us to keep a compact representation that can be passed around in machine registers. This is very common in implementing dynamic programming languages, but can really be used anywhere that additional runtime information is needed about a pointer. We will look at a handful of different ways these pointers can be encoded and see how the compiler can optimize them for diff... | |
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gustedt.wordpress.com
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| | | | | [The wordpress markdown inclusion does a very bad job, it seems, there have been some idiotic formatting errors. I hope that these are fixed, now.] A years-long effort led by Kayvan Memarian and Peter Sewell from Cambridge University, UK, Martin Uecker from Graz University of Technology, Austria, and myself (from ICube/Inria, France) has guided the... | |
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davmac.wordpress.com
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| | | | | An unofficial collection of errata and general problems with the C99 and C11 standards. {C99,C11} 3.1 Weak definition; inconsistent usage of term It is probably a bad idea to redefine a word with such common usage as "access". The definition here is not very clear: to read or modify the value of an object Is... | |
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squanderingti.me
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| | | Exploring the innards of an ELF binary to find the physical location of main. | ||
