December 1, 2015

New ELF Linker from the LLVM Project

 We have been working hard for a few months now to rewrite the ELF support in lld, the LLVM linker. We are happy to announce that it has reached a significant milestone: it is now able to bootstrap LLVM, Clang, and itself and pass all tests on x86-64 Linux and FreeBSD with the speed expected of an LLVM project.

ELF is the standard file format for executables on Unix-like systems, such as Linux and BSDs. GNU ld and GNU gold are commonly used linkers for such systems today. In many use cases, the linker is a black box for which only speed matters. Depending on program size, linking a program takes from tens of milliseconds to more than a minute. We designed the new linker so that it runs as fast as possible. 

Read more at LLVM Project Blog.

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