LLDB (debugger)

LLDB
Developer(s)	LLVM Developer Group
Repository	github.com/llvm/llvm-project ;
Written in	C++
Operating system	macOS i386 and x86-64, Linux, FreeBSD, Windows
Type	Debugger
License	UIUC (BSD-style); Apache License 2.0 with LLVM Exceptions (v9.0.0 or later)
Website	lldb.llvm.org

The LLDB Debugger (LLDB) is the debugger component of the LLVM project. It is built as a set of reusable components which extensively use existing libraries from LLVM, such as the Clang expression parser and LLVM disassembler. LLDB is free and open-source software under the University of Illinois/NCSA Open Source License,^[2] a BSD-style permissive software license. Since v9.0.0, it was relicensed to the Apache License 2.0 with LLVM Exceptions.^[1]

Current state

LLDB supports debugging of programs written in C, Objective-C, and C++. The Swift community maintains a version which adds support for the language. It is known to work on macOS, Linux, FreeBSD, and Windows,^[3] and supports i386, x86-64, and ARM instruction sets^[4]. LLDB is the default debugger for Xcode 5 and later. It can be used from other IDEs, including Visual Studio Code^[5], Eclipse,^[6] and CLion.^[7]

Features matrix ^[4]
Feature	FreeBSD	Linux	macOS	Windows
Backtracing
Breakpoints
C++11:				?
Command-line lldb tool
Core file debugging
Debugserver (remote debugging)	Not ported	Not ported		Not ported
Disassembly
Expression evaluation	?	Works with some bugs		Works with some bugs
JIT debugging	?	Symbolic debugging only	Untested
Objective-C 2.0:	?	—		—

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