How a Virtual Address Space Is Partitioned on WINNT.

tryfinally

于 2012-02-15 13:49:33 发布

阅读量1.5k

点赞数

分类专栏： Win_OS 文章标签： windows table

11 篇文章

订阅专栏

本文介绍不同架构下Windows操作系统如何划分进程的地址空间，包括x86 32位、x86 32位（3GB用户模式）、x64 64位及IA-64 64位四种情况，详细说明了各分区如NULL指针赋值区、用户模式区、内核模式区等的起始地址。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

下面一表摘自windows via C/C++

Table 13-1: How a Process' Address Space Is Partitioned
Open table as spreadsheet
Partition	x86 32-Bit Windows	x86 32-Bit Windows with 3 GB User-Mode	x64 64-Bit Windows	IA-64 64-Bit Windows
NULL-Pointer Assignment	0x00000000	0x00000000	0x00000000'00000000	0x00000000'00000000
NULL-Pointer Assignment	0x0000FFFF	0x0000FFFF	0x00000000'0000FFFF	0x00000000'0000FFFF
User-Mode	0x00010000	0x00010000	0x00000000'00010000	0x00000000'00010000
User-Mode	0x7FFEFFFF	0xBFFEFFFF	0x000007FF'FFFEFFFF	0x000006FB'FFFEFFFF
64-KB Off-Limits	0x7FFF0000	0xBFFF0000	0x000007FF'FFFF0000	0x000006FB'FFFF0000
64-KB Off-Limits	0x7FFFFFFF	0xBFFFFFFF	0x000007FF'FFFFFFFF	0x000006FB'FFFFFFFF
Kernel-Mode	0x80000000	0xC0000000	0x00000800'00000000	0x000006FC'00000000
Kernel-Mode	0xFFFFFFFF	0xFFFFFFFF	0xFFFFFFFF'FFFFFFFF