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by frutiger
544 days ago
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> pointers are just indexes into the big array which is system memory... I’m sure you are aware but for anyone else reading who might not be, pointers actually index into your very own private array. On most architectures, the MMU is responsible for mapping pages in your private array to pages in system memory or pages on disk (a page is a subarray of fixed size, usually 4 KiB). Usually you only get a crash if you access a page that is not currently allocated to your process. Otherwise you get the much more insidious behaviour of silent corruption. |
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