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Using rust-gdb

Debugging binary

  • Build the bin (not in release mode)
    • cargo build

First debug

  • rust-gdb ../target/debug/rustgdb_1
    • Add a breakpoint on our program main function
      • break rustgdb_1::main
    • Run the program
      • run
    • Display current source:
      • layout src
    • Display variables:
      • print hero1

More advanced debug

  • Display current variables:
    • info locals
  • Display current function arguments:
    • info args
  • Breakpoint on a function
    • break rustgdb_1::create_wizard
  • Breakpoint on a struct method
    • break rustgdb_1::Character::take_damages
    • Print self value:
      • print *self
      • print self.first_name
      • print self.is_dead()

TODO:

  • break on a generic struct?
  • break on struct method with condition?

Debugging example

  • Build all examples

    • cargo build --examples

  • Debug:

    • rust-gdb ../target/debug/examples/hero_try_1
      • break hero_try_1::main

Debugging unit test

  • Build unit tests:

    • cargo test --no-run
    • Please check the console output with info like:
      • Executable unittests src/main.rs (../target/debug/deps/rustgdb_1-a8611619000a999)

  • Debug

    • rust-gdb ../target/debug/deps/rustgdb_1-a8611619000a999
    • b rustgdb_1::tests::attack_1

Debugging with rust-lldb

TODO