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raid is a GDB-like tiny debugger which is based on ptrace.

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raid-dbg

Introduction

raid is a GDB-like tiny debugger which is based on ptrace.

Build

Before everything start, we'll need to clone submodules linenoise and elfutils first.

$ git submodule update --init

We may need to install some dependencies to build elfutils, and you'll need to move libdw.so to the top level of repository after build. All of these works can be done using the following script simply. But I'll recommand you to take a look at what will be installed after running the script first.

$ ./scripts/install-libdw.sh

Then we can build the debugger with all of the dependencies included.

$ make

Finally, it's time to play with raid now! Debugging your executable with the following command.

$ ./build/raid executable

Command

raid has been implemented a small set of command, which can let you do some simple trace on the debuggee.

Command Description
help List all of the supported command of raid
cont restart tracee until it hits a breakpoint or finishes execution
break Set a breakpoint on tracee
watch Watch a variable when it is modified
step Step in to the next line of source file
next Step over to the next line of current function
backtrace Unwind stack for the chain of function calls which leads to the current point
print Print current value of a variable or register
quit End the execution of debugger

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