gdb: Auto-loading sequences
23.1.5 Controlling auto-loading native GDB scripts
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When a new object file is read (for example, due to the 'file' command,
or because the inferior has loaded a shared library), GDB will look for
the command file 'OBJFILE-gdb.gdb'. 
Auto-loading extensions.
Auto-loading can be enabled or disabled, and the list of auto-loaded
scripts can be printed.
'set auto-load gdb-scripts [on|off]'
Enable or disable the auto-loading of canned sequences of commands
scripts.
'show auto-load gdb-scripts'
Show whether auto-loading of canned sequences of commands scripts
is enabled or disabled.
'info auto-load gdb-scripts [REGEXP]'
Print the list of all canned sequences of commands scripts that GDB
auto-loaded.
If REGEXP is supplied only canned sequences of commands scripts with
matching names are printed.
Info Catalog
gdb: Output
gdb: Sequences