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Debugging with GDB

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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.

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