c thomas howell CppCon 2019: Rian Quinn "Using Freestanding C++ for C++17 in Shellcode, UEFI, Embedded & Unikernels"

http://CppCon.org
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Presentation Slides, PDFs, Source Code and other presenter materials are available at: https://github.com/CppCon/CppCon2019
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This presentation is a must-see if you would like to learn how C++ works under the hood or how to include the Standard Library when compiling with "-ffreestanding". In this presentation, we will examine how C++ works behind the scenes as well as how to include C++ and the Standard Library in freestanding environments. Such environments include shellcode, UEFI, embedded systems (with no OS available), and unikernels. There are many environments where an OS is not present, or the facilities of the OS are inaccessible (for example with shellcode). In these environments, one compiles C/C++ with "-ffreestanding" to produce an executable with no external dependencies. The downside to this approach is the Standard Library is also not accessible, meaning useful functions such as std::unique_ptr, std::mutex, and std::list are not available. Furthermore, some core language facilities such as std::move, std::forward, and dynamic_cast are also unavailable as the Standard Library implements these.

This presentation teaches the audience how to overcome these problems by leveraging Libc++ from LLVM and Newlib to create a working, freestanding C++ environment with support for the Standard Library. Topics presented include how to compile a static, position independent executable (also called a static PIE) with support for C++ and the Standard Library, how to execute your project in a freestanding environment and what the limitations are and how to overcome them. Finally, this presentation will conclude with a demonstration of a UEFI application written in C++ as well as a demonstration of leveraging C++ in shellcode.

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Rian Quinn
Assured Information Security, Inc.
CTO
Greater Denver Area

Dr. Rian Quinn is a Senior Principal Investigator in the Trusted Information Systems Group at Assured Information Security, Inc. were he has focused on trusted computing and hypervisor related technologies for nearly 10 years. He holds a Ph.D. in Computer Engineering with specializations in Information Assurance and Computer Architectures from Binghamton University. He is a lead developer and co-founder of the Bareflank Hypervisor, and is an active member of several open source projects including OpenXT. Specialties: computer architectures, virtualization, operating systems, kernel programming, cyber security, and open source.
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Videos Filmed & Edited by Bash Films: http://www.BashFilms.com

c thomas howell CppCon 2019: Rian Quinn "Using Freestanding C++ for C++17 in Shellcode, UEFI, Embedded & Unikernels"
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Education	Upload TimePublished on 3 Oct 2019

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