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GDB built with DJGPP tools for MS-DOS/MS-Windows supports this mode of operation, but the event loop is suspended when the debuggee runs.
`b' cannot be used because these format letters are also
used with the x
command, where `b' stands for "byte";
see Examining memory.
This is a way of removing
one word from the stack, on machines where stacks grow downward in
memory (most machines, nowadays). This assumes that the innermost
stack frame is selected; setting $sp
is not allowed when other
stack frames are selected. To pop entire frames off the stack,
regardless of machine architecture, use return
;
see Returning from a function.
If you choose a port number that
conflicts with another service, gdbserver
prints an error message
and exits.
The DJGPP port of GDB uses the name `gdb.ini' instead, due to the limitations of file names imposed by DOS filesystems.
On
DOS/Windows systems, the home directory is the one pointed to by the
HOME
environment variable.
In `gdb-5.3/gdb/refcard.ps' of the version 5.3 release.