分支预测器与 ASLR

作者：Byte Reaper

描述

该仓库包含一个研究性 C 实现，用于演示在地址空间布局随机化（ASLR）背景下与分支预测器、推测执行和基于缓存的侧信道相关的概念。

要求：

Linux x86_64
GCC 
CPU that supports BTB

构建：

gcc btb.c -o BTB
./BTB

快速输出（示例）：

[+] check  System Security for Check branch predictors...
[+] Sleep Success.
[-] Not Detect Single Thread Indirect Branch Predictors.
[-] Not Detect Indirect Branch Restricted Speculation
[-] Not Detect Speculative Store Bypass Disable .
[+] Detect L1D_FLUSH.
[+] Detect MD_CLEAR.
[-] Not Detect IA32_ARCH_CAPABILITIES.
[+] Result Detect Branch predictors : 
[+] Detect Branch predictors
[+] Get Address  victimValue() function Success.
...

参考：

Intel 文档 MSR / cpuid：https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/cpuid-enumeration-and-architectural-msrs.html
越过 ASLR：https://www.cs.ucr.edu/~nael/pubs/micro16.pdf

许可证：

MIT

Jump-over-ASLR-BTB

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