LibDwarfTutorial

libdwarf by Example

Planning notes for a tutorial covering DWARF concepts and the DWARF(3) API.

Concepts to be covered:

• Addresses
  • differences with that on the native host
  • size of
  • manipulation of
• Compilation Units (CU)
  • what they are
  • version numbers
  • accessing information about CUs
  • using DIEs to describe CUs
• Debugging contexts
  • Allocation of
• Debugging information entry (DIE)
  • Tree structure via child/sibling links.
• Errors
  • Returning errors via an error argument.
  • Setting an error handler to catch errors.
• File structure
  • Addressing objects inside a file
  • Layout of content
  • Sequencing of information
• Offsets
  • CU-relative
  • section relative
• Overview of API.
• Sections in use
  • Contents
  • Standard names
• Tags
  • how used
  • legal values
  • where found in file
• Types in the API (i.e., Dwarf_XX)
  • Meanings & intended use of each type
• Version numbers
  • where used