SpiderMonkey VM

SpiderMonkey is Mozilla's JavaScript engine.

About this repository

• This is NOT the official SpiderMonkey standalone project. Official repo is here
• Only contains the SpiderMonkey source code and needed files to compile it
• Contains a few patches to make it compile on iOS (device and simulator)
• Contains build scripts for iOS, Android, Win32 and OS X
• Add code for decoding jsc file

About build jsc decompiler

• cd js/src/
• autoconf-2.13
• cd build-linux
• ../configure --enable-debug --disable-optimize
• make More info:https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey The program decjsc will been created in dist/bin.

About run jsc decoder

• ./decjsc -e jsfile encode jsfile to jscfile named jsfile.jsc
• ./decjsc -d jscfile decode jscfile to assemblefile named jscfile.jsdec

About builds

iOS

• JIT is disabled
• Device only: compiled in RELEASE mode
• Simulator only: compiled in DEBUG mode

Android

• JIT is enabled
• compiled in RELEASE mode

OS X

• JIT is enabled
• compiled in DEBUG mode

Windows

• JIT is enabled
• compiled in RELEASE mode

Linux

• JIT is enabled
• compiled in RELEASE mode

About the patches

• Patches for SpiderMonkey