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vdso32 amd vdsox32有什么区别？

[英]What is the difference between vdso32 amd vdsox32?

原文 2018-09-20 06:08:15 3 1 linux/ linux-kernel/ shared-libraries/ vdso

I apologize if the answer to this question is apparent, but why are there two versions ^[1] of the vdso for 32-bit executables on linux systems, and what is the criteria used to select among them? 如果这个问题的答案很明显，我深表歉意，但是为什么在Linux系统上对于32位可执行文件有两个版本的vdso ^[1] ，请问从中选择什么标准？

_{* as can be found in /lib/modules/KERNEL_NAME/vdso} _{*可以在/lib/modules/KERNEL_NAME/vdso}

1 个解决方案

x32 is a Linux ABI which is kind of a mix between x86 and x64. x32是Linux ABI ，是x86和x64之间的混合体。 It uses 32-bit address size but runs in full 64-bit mode, including all 64-bit instructions and registers available. 它使用32位地址大小，但以完整的64位模式运行，包括所有可用的64位指令和寄存器。

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