Compact C Type Format in the GNU Toolchain

This talk examines Compact C Type Format (CTF), a compact format for conveying C type information, and its support across the GNU toolchain. It discusses proposed format changes for backtraces and ABI analysis.

Syllabus

Introduction
Welcome
Debug Information
Dwarf
What is CDF
CDF vs Dwarf
CDF Dictionary
CDF Types
CDF Info
Integer Data Type
CRF Types
Compression
Toolchain support
API support
Demo
Whats coming
Online vs Offline Back Tracing
Online Back Tracing
Issues with EFrame Based Unwinders
Unwind Formats
CDF Frame
Callsite Information
Callsite Information Edition
Summary
CTF
Wrapup