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27.9.1 Shared Library GDB/MI Catchpoints

The -catch-load Command

Synopsis

 -catch-load [ -t ] [ -d ] regexp

Add a catchpoint for library load events. If the ‘-t’ option is used, the catchpoint is a temporary one (see Setting Breakpoints). If the ‘-d’ option is used, the catchpoint is created in a disabled state. The ‘regexp’ argument is a regular expression used to match the name of the loaded library.

GDB Command

The corresponding GDB command is ‘catch load’.

Example

-catch-load -t foo.so
^done,bkpt={number="1",type="catchpoint",disp="del",enabled="y",
what="load of library matching foo.so",catch-type="load",times="0"}
(gdb)

The -catch-unload Command

Synopsis

 -catch-unload [ -t ] [ -d ] regexp

Add a catchpoint for library unload events. If the ‘-t’ option is used, the catchpoint is a temporary one (see Setting Breakpoints). If the ‘-d’ option is used, the catchpoint is created in a disabled state. The ‘regexp’ argument is a regular expression used to match the name of the unloaded library.

GDB Command

The corresponding GDB command is ‘catch unload’.

Example

-catch-unload -d bar.so
^done,bkpt={number="2",type="catchpoint",disp="keep",enabled="n",
what="load of library matching bar.so",catch-type="unload",times="0"}
(gdb)