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单词 Global Descriptor Table
释义

Global Descriptor Table

英语百科

Global Descriptor Table

The Global Descriptor Table or GDT is a data structure used by Intel x86-family processors starting with the 80286 in order to define the characteristics of the various memory areas used during program execution, including the base address, the size and access privileges like executability and writability. These memory areas are called segments in Intel terminology.

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