.LD File Extension

There is only one file type that uses the .LD extension:

Linker Script

Linker Script

An LD file is a script written in the GNU "linker command language." It contains one or more commands that are used to configure how input files storing static object code are to be compiled into a single executable program or library for the GNU operating system.

You will most likely only encounter LD scripts if you are compiling code into a program or library output file in GNU. The files are utilized by ld, which is a GNU linker command-line tool used to combine input files into an output file. Linking is part of the compilation process when building source code files into an output executable file. The ld command is often used as the last part of the compilation process to build the final executable.

While LD files may store multiple types of commands, they most often store the SECTIONS command, which specifies how the sections in multiple input files should be mapped to a single output file. This helps control the memory layout of the single output file. Only one SECTIONS command can be stored in an LD file but it may include multiple statements that can define an entry point, assign value to a symbol, or describe the placement of an output section and the input sections that go into it.

LD files are saved in plain text. You can use various text editors, such as Microsoft Notepad, Apple TextEdit, and gedit to view and edit them.

NOTE: The ld GNU linker is part of the GNU Binary Utilities (binutils).

Software's name License Platforms
Apple TextEdit Apple TextEdit Bundled Mac
Bare Bones BBEdit Bare Bones BBEdit Commercial Mac
Geany Geany Free LinuxMacWindows
gedit gedit Open Source Linux
GNU Binutils GNU Binutils Free Linux
KWrite KWrite Free Linux
Leafpad Leafpad Free Linux
Microsoft Notepad Microsoft Notepad Bundled MacWindows
Microsoft WordPad Microsoft WordPad Bundled Windows
Other text editor Other text editor LinuxMacWindows

Updated: November 27, 2020

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