About: Reconstruction of Instruction Idioms in a Retargetable Decompiler: Revisited

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.comsis.org/
Description	Retargetable executable-code decompilation is a one of the most complicated reverse-engineering tasks. Among others, it involves de-optimization of compiler-optimized code. One type of such an optimization is usage of so-called instruction idioms. These idioms are used to produce faster or even smaller executable files. On the other hand, decompilation of instruction idioms without any advanced analysis produces almost unreadable high-level language code that may confuse the user of the decompiler. In this paper, we revisit and extend the previous approach of instruction-idioms detection used in a retargetable decompiler developed within the Lissom project. The previous approach was based on detection of instruction idioms in a very-early phase of decompilation (a front-end part) and it was inaccurate for architectures with a complex instruction set (e.g. Intel x86). The novel approach is based on delaying detection of idioms and reconstruction of code to the later phase (a middle-end Retargetable executable-code decompilation is a one of the most complicated reverse-engineering tasks. Among others, it involves de-optimization of compiler-optimized code. One type of such an optimization is usage of so-called instruction idioms. These idioms are used to produce faster or even smaller executable files. On the other hand, decompilation of instruction idioms without any advanced analysis produces almost unreadable high-level language code that may confuse the user of the decompiler. In this paper, we revisit and extend the previous approach of instruction-idioms detection used in a retargetable decompiler developed within the Lissom project. The previous approach was based on detection of instruction idioms in a very-early phase of decompilation (a front-end part) and it was inaccurate for architectures with a complex instruction set (e.g. Intel x86). The novel approach is based on delaying detection of idioms and reconstruction of code to the later phase (a middle-end (en)
Title	Reconstruction of Instruction Idioms in a Retargetable Decompiler: Revisited Reconstruction of Instruction Idioms in a Retargetable Decompiler: Revisited (en)
skos:prefLabel	Reconstruction of Instruction Idioms in a Retargetable Decompiler: Revisited Reconstruction of Instruction Idioms in a Retargetable Decompiler: Revisited (en)
skos:notation	RIV/00216305:26230/14:PU111916!RIV15-MSM-26230___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0070), S
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Křoustek, Jakub Kolář, Dušan Pokorný, Fridolín
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta informačních technologií
http://linked.open...dnocenehoVysledku	41638
http://linked.open...ai/riv/idVysledku	RIV/00216305:26230/14:PU111916
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	compiler optimizations, reverse engineering, decompiler, Lissom, instruction idioms, LLVM, LLVM IR (en)
http://linked.open.../riv/klicoveSlovo	decompiler LLVM reverse engineering compiler optimizations instruction idioms LLVM IR Lissom
http://linked.open...odStatuVydavatele	RS - Srbská republika
http://linked.open...ontrolniKodProRIV	[0083DFD2F9EB]
http://linked.open...i/riv/nazevZdroje	COMPUT SCI INF SYST
http://linked.open...in/vavai/riv/obor	IN
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	IT4Innovations Centre of Excellence
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	11
http://linked.open...iv/tvurceVysledku	Kolář, Dušan Křoustek, Jakub Pokorný, Fridolín
issn	1820-0214
number of pages	22 (xsd:int)
http://bibframe.org/vocab/doi	10.2298/CSIS131203076K
http://localhost/t...ganizacniJednotka	26230

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