Studying C++ generated assembly using Xcode Instruments
A short guide to studying the assembly code generated by AppleClang for C++ projects using Xcode Instruments
Juan Cruz Viotti
Personal blog
Latest posts
Running the Intel VTune Profiler on Fedora
This article explains how to install and configure the Intel VTune Profiler on Fedora to use advanced analysis such as the Memory Access tool
Debugging MSVC C++ crashes from the terminal using CDB
A high-level introduction to using the CDB command-line debugger in the context of C++ programs
Using Xcode Instruments for C++ CPU profiling
This article is an overview of how to use Xcode Instruments along its `xctrace` command-line tool companion to perform CPU profiling of C++ programs
Is Objective-C `BOOL` a boolean type? It depends
This article describes how the Objective-C `BOOL` type is differently defined on Apple platforms, and how these differences are defined in LLVM
Understanding Objective-C by transpiling it to C++
This article describes how to transpile Objective-C to C++, and use that approach to gain understanding of the Objective-C runtime
Spoofing Objective-C return values on Apple Silicon using LLDB
This article describes how LLDB can be used to mutate return values of Objective-C methods and functions
Exploring macOS private frameworks
This article describes a series of approaches for reverse engineering macOS private frameworks
Building Objective-C iOS apps with CMake
This article describes how to build iOS applications using Objective-C with CMake instead of plain Xcode
Writing Objective-C iOS apps without Storyboards
This article explores how to write iOS applications with Objective-C without making use of traditional Storyboards
Launching macOS applications from the command-line
This article describes in detail how to launch macOS application bundles from the command line
Performance testing through proportional traces
This article describes a novel system-independent approach to performance testing using tracing
Debugging Electron.js native crashes on GNU/Linux
This article describes in detail how to symbolicalize Electron.js native crashes on GNU/Linux
Debugging the C++ standard library on macOS
This article describes how to use LLDB on C++ standard library code on macOS
Attaching LLDB to production Electron.js builds on macOS
This article describes how to use LLDB to debug production builds of Electron.js on macOS
Emitting Signposts to Instruments on macOS using C++
This article describes how to use the macOS Signposts API from C++ applications
Debugging Electron.js native crashes on macOS
This article describes in detail how to symbolicalize Electron.js native crashes on macOS
Employers should not own open-source contributions
This article makes a case on why employers should not attempt to own the IP of the contributions of their employees
A deep dive on macOS universal binaries
This article describes in detail how Mach-O universal binaries work
Speeding up Windows Electron.js builds with SCCACHE
This article describes the back story behind a Chromium CL to restore SCCACHE support on Windows
Building Electron.js on Windows using the Visual Studio Build Tools
This article describes how to build Electron.js on Windows using only the Visual Studio Build Tools offering
Evolutive Integration Testing of HTTP APIs with OpenAPI
This article describes an experimental approach to describing HTTP API integration tests
Easily switch between many NPM accounts
This article describes a trick for easily switching between multiple NPM accounts on the terminal
An introduction to Ada's simple numeric types
This article introduces the numeric types available in Ada 2012
An overview of arrays in Ada 2012
This article is an overview of array types in Ada 2012
How to manually package an Electron app for Windows
This article describes how to package an Electron application for Windows without additional tooling
How to code-sign OS X Electron apps in Travis CI
This article discusses how to code-sign OS X Electron apps using Travis CI
Fixing a baffling issue when running Electron as root in GNU/Linux
This article discusses a Chromium sandboxing permission error when executing an Electron application as root on GNU/Linux
Debugging Electron to run shell scripts in a packaged application
This article discusses a file permissions error on Electron that can affect spawning, and an upstream fix for it