Cctools | 6.5
Cctools 6.5 includes a suite of command-line utilities. Here are the most important ones:
| Tool | Purpose |
|------|---------|
| otool | Display contents of Mach-O files (similar to objdump for ELF) |
| install_name_tool | Change dynamic library install names |
| lipo | Create and manipulate universal (fat) binaries |
| codesign_allocate | Prepare space for code signatures |
| strip | Remove symbols and debug information |
| segedit | Edit sections and segments in Mach-O files |
| ranlib | Generate index for static libraries |
| ar | Create and modify archive (.a) files |
| nm | List symbols from object files |
| size | Show segment sizes |
| pagestuff | Display logical page information | Cctools 6.5
In Cctools 6.5, many of these tools have received updates for improved handling of arm64 binaries, LLVM bitcode sections, and Apple’s new hashing formats for code signing. Cctools 6
In the world of Apple development, the toolchain is often seen as a monolithic entity—you download Xcode, and you get what Apple gives you. But for a dedicated segment of developers working on reverse engineering, cross-compilation, or maintaining legacy CI/CD systems, the true workhorses are the Cctools (Apple's cctools, formerly known as "cctools" in Darwin). In the world of Apple development, the toolchain
The release of Cctools 6.5 is quietly making waves. While Xcode 15 and 16 dominate the headlines, this standalone version of the low-level object file manipulation tools (think otool, install_name_tool, lipo, and nm) represents a critical update for anyone building macOS/iOS software without a full Xcode installation.
The linker is the core component of the suite.
