andy
be05b7905d
Affected files: .obsidian/community-plugins.json .obsidian/graph.json .obsidian/plugins/table-editor-obsidian/data.json .obsidian/plugins/table-editor-obsidian/main.js .obsidian/plugins/table-editor-obsidian/manifest.json .obsidian/plugins/table-editor-obsidian/styles.css .obsidian/workspace.json Charities.md Health/BWS.md History/Britain.md Lab/DNS.md Lab/Deleted Packages.md Lab/Ebook Laundering.md Lab/Home.md Lab/Mac.md Lab/Photo Migration.md Languages/Arabic.md Money/Assets/Derivative.md Money/Assets/Financial Instruments.md Money/Assets/Security.md Money/Econ.md Money/Equity.md Money/Giving.md Money/Markets/Commodity.md Money/Markets/Markets.md Money/Markets/Types.md STEM/AI/Literature.md STEM/AI/Properties.md STEM/CS/ABI.md STEM/CS/Code Types.md STEM/CS/Compilers.md STEM/CS/Language Binding.md STEM/CS/Languages/dotNet.md STEM/CS/Quantum.md STEM/CS/Resources.md STEM/CS/Turing Machines.md STEM/Maths/Algebra.md STEM/Semiconductors/Equations.md STEM/Signal Proc/Convolution.md STEM/Signal Proc/Fourier Transform.md STEM/Speech/Literature.md STEM/img/ai-io.png STEM/img/ai-nested-subjects.png STEM/img/cli-infrastructure.png Tattoo/Plans.md Tattoo/img/chest.png
35 lines
1.2 KiB
Markdown
35 lines
1.2 KiB
Markdown
- How data structures & computational routines are accessed in machine code ([[Code Types]])
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- Machine code therefore hardware-dependent
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- API defines this structure in source code
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- Adherence usually responsibility of
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- [[Compilers]]
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- OS
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- Library author
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# Components
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- Processor instruction set
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- Register file structure
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- Stack organisation
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- Memory access types
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- Size, layouts and alignments of basic data types
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- [[Calling Conventions]]
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- How function arguments are passed
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- Stack or register
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- Which registers for which function param
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- Parameter order
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- Return values retrieved
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- How app makes sys calls to OS
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- If ABI specifies direct sys calls over procedure calls to sys call stubs then sys call numbers
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- Binary format of object files, program files
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- For complete OS ABIs
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# Complete ABI
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- Allows program from one OS to run on any other without change
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- Provided all shared libraries and prerequisites etc
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# Embedded ABI
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- File format, data types, register usage, stack frame organisation, function parameter passing conventions
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- For embedded OS
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- Compilers create object code compatible with code from other compilers
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- Link libraries from different compilers |