A presentation about software source-code porting tips & tricks. Starts with a surprising definition of what code-porting really is, and goes on to describe pitfalls and ways to avoid them. Static Code Analysis by a high-end tool (Klocwork) can significantly help and reduce risk while engaging in code-porting activities. Contact us for more details and lecture opportunities. www. trinity.co.il info@trinity.co.il

1. Code Porting
Tips & Tricks
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4. Porting = =
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Refactoring == •
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7. 5 – 1996
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int == word ?
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8, 9, 12, 16, 18, 24, 32, 36, 39, 40, 48, 60, 64, …

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bit fields within a struct – - •

15. 0010 0000 kinds of people in the world
Those that understand the difference between Big
Endian and Little Endian, and those that do not

16. 0010 0000 kinds of people in the world
Those that understand the difference between Big
Endian and Little Endian, and those that do not
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"On Holy Wars and a Plea for Peace"

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• Casting between typesexpressionspointers
• Alignment & packing
• Structs
• Union
• Bitfields
• Bit shifting operations
• Magic numbers & other system constants

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• CPU optimizations
• Inline assembly calls
• Binary data exchange
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20. Portable Code – -
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www.klocwork.com •
info@trinity.co.il •
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Gil @ Trinity.co.il