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maskray.me | ||
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etherealwake.com
When writing a freestanding application, it's generally necessary for the firmware engineer to handle runtime initialization. Even when a library like newlib includes a rudimentary implementation of crt0.o, initialization is a very application-specific process owing to the need to initialize hardware, memory, and other loading tasks. In this essay, we examine the current and historical implementation of executable initialization, finishing with a minimal implementation usable with firmware applications. Note: Most firmware applications need to address the initialization of .data and .bss from nonvolatile memory. That is not addressed in this essay. |
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www.lukas-barth.net
This article explores how to exploit side effects during dynamic initialization. It gives an overview over how dynamic initialization works in a typical C++ executable on Linux. |
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blog.thea.codes
A deep look into the black magic that is linker scripts. |
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www.humprog.org
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