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Oracle® Solaris Modular Debugger Guide

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Updated: January 2019
 
 

x86: I/O Port Access in adb and MDB

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.