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blog.malwaremustdie.org | ||
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shrik3.com
[AI summary] A technical blog post explains the ELF binary format, dynamic linking, and the roles of the dynamic linker, GOT, PLT, and symbol tables using command-line examples. |
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g-w1.github.io
See part 2 for this post here |
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www.caichinger.com
Introduction ELF is the file format used for object files (.o's), binaries, shared libraries and core dumps in Linux. It's actually pretty simple and well thought-out. ELF has the same layout for all architectures, however endianness and word size can differ; relocation types, symbol types and the like may have platform-specific values, and of course the contained code is arch specific. An ELF file provides 2 views on the data it contains: A linking view and an execution view. Those two views can be accessed by two headers: the section header table and the program header table. Linking view: Section Header Table (SHT) The SHT gives an overview on the sections contained in the ELF file. Of particular interest are REL sections (relocations), SYMTAB/DYNSYM (sym... |
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dwaves.de
Why keep all your results to yourself? - Blog with howtos and public free software and hardware OpenSource searchable knowledgebase about Linux and OpenSource - with a touch security, politics and philosophy. |
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