set radix 0xa

 

sets the base to decimal. On the other hand, set

 

radix 10 leaves the radix unchanged no matter

 

what it was.

set output-radix base

Set the default base for numeric display. Supported

 

choices for base are decimal 8, 10, or 16. base must

 

itself be specified either unambiguously or using the

 

current default radix.

show input-radix

Display the current default base for numeric input.

show output-radix

Display the current default base for numeric display.

17.6 Optional warnings and messages

By default, GDB is silent about its inner workings. If you are running on a slow machine, you may want to use the set verbose command. This makes GDB tell you when it does a lengthy internal operation, so you will not think it has crashed.

Currently, the messages controlled by set verbose are those which announce that the symbol table for a source file is being read; see symbol-file in “Commands to specify files” (page 125).

set verbose on

Enables GDB output of certain informational messages.

set verbose off

Disables GDB output of certain informational messages.

show verbose

Displays whether set verbose is on or o.

By default, if GDB encounters bugs in the symbol table of an object file, it is silent; but if you are debugging a compiler, you may nd this information useful (see “Specifying shared library locations” (page 130)).

set complaints limit

Permits GDB to output limit complaints about each

 

type of unusual symbols before becoming silent about

 

the problem. Set limit to zero to suppress all

 

complaints; set it to a large number to prevent

 

complaints from being suppressed.

show complaints

Displays how many symbol complaints GDB is

 

permitted to produce.

By default, GDB is cautious, and asks the user to confirm on certain commands. For example, if you try to run a program which is already running:

((gdb)) run

The program being debugged has been started already. Start it from the beginning? (y or n)

If you are willing to unflinchingly face the consequences of your own commands, you can disable this feature:

set confirm off

Disables confirmation requests.

284 Controlling GDB

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