Libelf port for JavaScript, a library to access ELF objects.

To add Libelf.js to your web application, include it with:

<script src="libelf.min.js"></script>

or install it with the Bower command:

bower install libelf

// var buffer = new Uint8Array([0x7F, 0x45, 0x4C, 0x46, ...]);
var elf = new Elf(buffer);
if (elf.kind() != "elf") {
    throw "Not an ELF file";
}

var ehdr = elf.getehdr();

// Handle segments
for (var i = 0; i < ehdr.phnum; i++) {
    var phdr = elf.getphdr(i);
}
// Handle sections
for (var i = 0; i < ehdr.shnum; i++) {
    var scn = elf.getscn(i);
    var shdr = elf.getshdr(scn);
    var name = elf.strptr(
        ehdr.e_shstrndx.num(),
        shdr.sh_name.num());

To build the Libelf.js library, clone the master branch of this repository, and do the following:

1. Install the latest Python 3.8+, CMake and the Emscripten SDK 2.0.21+. Follow the respective instructions and make sure all environment variables are configured correctly. Under Windows MinGW (specifically mingw32-make) is required.

2. Install the development dependencies with: npm install --also=dev.

3. Install grunt with: npm install -g grunt

4. Finally, build the source with: grunt build.