The Art of Debugging with GDB, DDD, and Eclipse by Matloff, Norman -- Read -- Imperial Library of Trantor

Index

THE ART OF DEBUGGING WITH GDB, DDD, AND ECLIPSE

PREFACE 1. SOME PRELIMINARIES FOR BEGINNERS AND PROS

Debugging Tools Used in This Book Programming Language Focus The Principles of Debugging

The Essence of Debugging: The Principle of Confirmation Of What Value Is a Debugging Tool for the Principle of Confirmation? Other Debugging Principles

Text-Based vs. GUI-Based Debugging Tools, and a Compromise Between Them

Brief Comparison of Interfaces

GDB: Plain Text DDD: a GUI Debugging Tool Eclipse: A GUI Debugger and Much More Eclipse vs. DDD Advantages of the GUIs Advantages of GDB The Bottom Line: Each Has Its Value

Compromises

GDB in TUI Mode CGDB

Main Debugger Operations

Stepping Through the Source Code Inspecting Variables Issuing an "All Points Bulletin" for Changes to a Variable Moving Up and Down the Call Stack

Online Help Introductory Debugging Session

The GDB Approach The Same Session in DDD The Session in Eclipse

Use of Startup Files

2. STOPPING TO TAKE A LOOK AROUND

Mechanisms for Pause Overview of Breakpoints Keeping Track of Breakpoints

Breakpoint Lists in GDB Breakpoint Lists in DDD Breakpoint Lists in Eclipse

Setting Breakpoints

Setting Breakpoints in GDB Setting Breakpoints in DDD Setting Breakpoints in Eclipse

Extended GDB Example Persistence of Breakpoints Deleting and Disabling Breakpoints

Deleting Breakpoints in GDB Disabling Breakpoints in GDB Deleting and Disabling Breakpoints in DDD Deleting and Disabling Breakpoints in Eclipse "Moving" Breakpoints in DDD Undoing/Redoing Breakpoint Actions in DDD

More on Viewing Breakpoint Attributes

GDB DDD Eclipse

Resuming Execution

In GDB

Single-stepping with step and next Resuming Program Execution with continue Resuming Program Execution with finish Resuming Program Execution with until

In DDD

Standard Operations Undo/Redo

In Eclipse

Conditional Breakpoints

GDB DDD Eclipse

Breakpoint Command Lists Watchpoints

Setting Watchpoints Expressions

3. INSPECTING AND SETTING VARIABLES

Our Main Example Code Advanced Inspection and Setting of Variables

Inspection in GDB Inspection in DDD Inspection in Eclipse Inspecting Dynamic Arrays

Solutions in GDB Solutions in DDD Solutions in Eclipse

What About C++? Monitoring Local Variables Examining Memory Directly Advanced Options for Print and Display

Setting Variables from Within GDB/DDD/Eclipse GDB's Own Variables

Making Use of the Value History Convenience Variables

4. WHEN A PROGRAM CRASHES

Background Material: Memory Management

Why Does a Program Crash? Program Layout in Memory The Notion of Pages Details on the Role of the Page Table A Slight Memory-Access Bug Might Not Cause a Seg Fault 4.1.6 Seg Faults and Unix Signals Other Types of Exceptions

Core Files

How Core Files Are Created Your Shell May Suppress the Creation of a Core File

Extended Example

First Bug Don't Leave GDB During a Debugging Session Second and Third Bugs Fourth Bug Fifth and Sixth Bugs

5. DEBUGGING IN A MULTIPLE-ACTIVITIES CONTEXT

Debugging Client/Server Network Programs Debugging Threaded Code

Review of Processes and Threads Basic Example A Variation GDB Threads Command Summary Threads Commands in DDD Threads Commands in Eclipse

Debugging Parallel Applications

Message-Passing Systems Shared-Memory Systems

True Shared Memory Software Distributed Shared-Memory Systems

Extended Example

OpenMP Overview OpenMP Example Program

6. SPECIAL TOPICS

What If It Doesn't Even Compile or Load?

Phantom Line Numbers in Syntax Error Messages Missing Libraries

Example Library Usage in Open Source Software

Debugging GUI Programs

Debugging Curses Programs

Using GDB Using DDD Using Eclipse

7. OTHER TOOLS

Making Good Use of a Text Editor

Syntax Highlighting Matching Brackets Vim and Makefiles Makefiles and Compiler Warnings Final Thoughts on a Text Editor as an IDE

Making Good Use of the Compiler Error Reporting in C

Using errno

Better Living with strace and ltrace Static Code Checkers: lint and Friends

How to Use splint Last Words

Debugging Dynamically Allocated Memory

Strategies for Detecting DAM Problems Electric Fence Debugging DAM Problems with GNU C Library Tools

The MALLOC_CHECK_ Environment Variable Using the mcheck() Facility Using mtrace() to Catch Memory Leaks and Double Frees

8. USING GDB/DDD/ECLIPSE FOR OTHER LANGUAGES

Java

TestLL.java

TestLL.java LinkedList.java Node.java

Direct Use of GDB for Debugging Java Using DDD with GDB to Debug Java Using DDD as a GUI for JDB Debugging Java in Eclipse

Perl

Debugging Perl via DDD Debugging Perl in Eclipse

Python

Debugging Python in DDD Debugging Python in Eclipse

Debugging SWIG Code Assembly Language

COLOPHON

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