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Chapter 3 Remote Debugging in the C and C++ Environment

Running and Debugging Applications in Virtual Machines

YoucanusetheIntegratedVirtualDebuggerto:

 Startanapplicationdebuggingsessioninavirtualmachine.

 Startanapplicationinavirtualmachinewithoutdebugging.

Start an Application Debugging Session in a Virtual Machine

DonotsuspendavirtualmachinewhiletheIntegratedVirtualDebuggerisconnectedtoanapplication.Ifyou

do,theIntegratedVirtualDebuggerdisconnectsfromtheapplication.

To start an application debugging session in a virtual machine

1Youcanstartdebugginginthefollowingways:

 ClickRun>DebugConfigurationsandunderC/C++AttachtoVirtualMachine,choosethe

configuration.

 ClicktheDebugbuttonandchoosetheconfigurationeitherfromthedrop‐downmenu(ifpreviously

debugged)orclicktheDebugbuttonandclickDebugconfiguration.

2Performdebuggingtasksasyouwouldinalocaldebuggingenvironment.

Start an Application in a Virtual Machine Without Debugging

Youcanstartanapplicationwithoutdebugginginanyconfiguredvirtualmachine.

To start an application in a virtual machine without debugging

Beginthesessioninoneofthefollowingways:

 Clickthedrop‐downarrow ontheRunbuttonandchoosetheconfigurationfortheapplicationthatyou

wanttostart.(TheRunmenudoesnotprovideawaytochoosetheconfiguration.)

 IntheRunpage,selecttheconfigurationunderC/C++AttachtoVirtualMachineintheleftpaneandclick

Runintherightpane.

Troubleshooting the C and C++ Environment

BeforeyoutroubleshootanerrormakesurethatyouhavecorrectlyinstalledandconfiguredtheIntegrated

VirtualDebugger.Youmustpoweronavirtualmachinebeforeyoucandebugit.

Debugging Session Fails to Start

Problem

Adebuggingsessionfailstostart.

Causes

Thisproblemhasseveralcauses:

 Thefirewallisturnedonintheguest.

 Thenetworkadapterisdisabled,ornetworkingfunctionalityisnotreadyintheguest.

 Thevirtualmachineispoweredoff.

 TheUbuntu8hostiscausingthedebuggingsessiontofail.

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Red Hat ENTERPRISE LINUX 4 - DEBUGGING WITH GDB Specifiche Pagina 21