用MIPS MSA支持扩展valgrind框架

2017 Zooming Innovation in Consumer Electronics International Conference (ZINC) Pub Date : 2017-05-01 DOI:10.1109/ZINC.2017.7968660

Tamara Vlahović, M. Mišić, M. Tomasevic, A. Karadžić, Aleksandar Rikalo

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引用次数: 0

摘要

本文对Valgrind动态二进制代码分析框架进行了扩展，以支持MIPS MSA指令集，该指令集包括对不同宽度的整数和浮点数据进行矢量(SIMD)处理的指令。首先，介绍了MIPS及其MSA扩展的背景。然后，描述了代码插装的Valgrind特性。为了支持新的指令集，对Valgrind的中间表示做了一些修改。讨论了有关扩展所需的结构、格式和功能的实现问题。还给出了一些低级别的细节和示例。升级后的Valgrind工具在Linux平台上使用专用的回归测试套件进行验证。

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Extending valgrind framework with the MIPS MSA support

This paper presents an extension of Valgrind framework for dynamic binary code analysis to support MIPS MSA instruction set which includes instructions for vector (SIMD) processing of integer and floating-point data of different widths. First, a background on MIPS and its MSA extention is given. Then, Valgrind features for code instrumentation are described. Several changes have been made to Valgrind intermediate representation in order to support new instruction set. The implementation issues regarding the structures, formats, and functions needed for extension are discussed. Some low-level details and examples are also presented. Upgraded Valgrind tools are verified using dedicated regression test suite on the Linux platform.

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2017 Zooming Innovation in Consumer Electronics International Conference (ZINC)

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