io_uring from Userland
You know the pains if you’ve written performance sensitive I/O code on Linux. Every read() and write() is a round trip into the kernel. POSIX AIO was a mess,...
Recent Posts
The Chronicles of Virtual Table Table (a.k.a VTT)
In this article, we’re going to see how virtual inheritance works under the hood. To understand it, we will need to go deeper into the Itanium C++ ABI. We’ll...
The Virtual Functions
Since we’re done with the basics, lets start reversing our magnificent virtual functions… So, what’s the deal with virtual functions? Virtual functions are C...
Parents and Children in C++
When reversing C++ binaries, identifying Inheritance is important. Derived Classes contain Base Class data at predictable offsets, creating recognizable memo...
C++ Object Creation Like Anything
C++ looks pretty simple on the surface… you write a class, create an object, and move on. But under the hood, the compiler is busy stitching together memory ...