Document Information
Preface
1. Modular Debugger Overview
2. Debugger Concepts
3. MDB Language Syntax
4. Using MDB Commands Interactively
5. Built-In Commands
6. Execution Control
7. Kernel Execution Control
8. Kernel Debugging Modules
9. Debugging With the Kernel Memory Allocator
10. Module Programming API
A. MDB Options
B. Notes
C. Transition From adb and kadb
Command-Line Options
Syntax
Watchpoint Length Specifier
Address Map Modifier
Output
Deferred Breakpoints
x86: I/O Port Access
D. Transition From crash
Index
The legacy kadb utility provided access to I/O ports on x86 systems using the :i and :o commands. These commands are not supported in mdb or kmdb. Access to I/O ports on x86 systems is provided by the ::in and ::out commands.