Fisummer

STM32 MacOS X Environment Setup

Table of Contents

• 1. Install JDK 8
• 2. Install Eclipse
  • Option 1: GNU MCU Eclipse IDE for C/C++ Developers
• 3. Cross Compile Toolchain (arm-none-eabi-*))
  • Option 1: GNU MCU Eclipse ARM Embedded GCC

• Option 2: GNU ARM Embedded Toolchain

Fisummer

public class HelloJNI {
    static {
        System.loadLibrary("hello");    // loads libhello.so
    }

    private native void sayHello(String name);

    public static void main(String[] args) {
        new HelloJNI().sayHello("Dave");
    }

Fisummer

Option 1: Command-line download extension as zip and extract

extension_id=jifpbeccnghkjeaalbbjmodiffmgedin   # change this ID
curl -L -o "$extension_id.zip" "https://clients2.google.com/service/update2/crx?response=redirect&os=mac&arch=x86-64&nacl_arch=x86-64&prod=chromecrx&prodchannel=stable&prodversion=44.0.2403.130&x=id%3D$extension_id%26uc" 
unzip -d "$extension_id-source" "$extension_id.zip"

Thx to crxviewer for the magic download URL.

Fisummer

Understanding the Memory Layout of Linux Executables

Required tools for playing around with memory:

• hexdump
• objdump
• readelf
• xxd
• gcore

Fisummer

ld – Wading through Mac OS X linker hell

Intro

Friend: I tried looking at static linking in Mac OS X and it seems nearly impossible. Take a look at this http://stackoverflow.com/a/3801032

Me: I have no idea what that -static flag does, but I'm pretty sure that's not how you link to a library. Let me RTFM a bit.

Minutes later...

Fisummer

#!/bin/sh

# Copyright 2012 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#

Fisummer

adb shell pm list packages | cut -f 2 -d ":"