Assembly Language Reimagined: Programming the Intel x64 Microprocessor in Linux

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2025

J. SchwartzmanAssembly Language Reimaginedhttps://doi.org/10.1007/979-8-8688-1724-3_3

3. Prefer glibc over BIOS Calls, uname Reprise

John Schwartzman¹  

(1)

Ellicott City, MD, USA

 

In this chapter, we are going to abandon the Linux kernel services and use the glibc, the GNU C run-time library, instead of calling the Linux kernel services directly. The glibc functions are, in many cases, thin wrappers around the Linux kernel services and the preferred way to access Linux kernel services. Before we begin examining code, though, we need to briefly mention the stack and the C Calling Convention.

The Stack

The stack is a new allocation of memory that Linux provides ...