On 01/-10/-28163 11:59 AM, Jan-Benedict Glaw wrote:
Are all object files built with -g and is the `vax' binary not
stripped? Then you'd just run it with gdb:

$ gdb ./vax .....

Then do your work (->  make it segfault) and when you're back at GDB's
prompt, use the `bt' command to show us where it's breaking.

It may be obvious, but in case it is not, don't replace the "....." with simh arguments. That would produce a "No such file or directory" message.

Instead, after typing:

$ gdb ./vax

run the program with

(gdb) run Program_Arguments

where <Program_Arguments> are the arguments you would normally provide on the command line to simh.

Then, follow the rest of Jan-Benedict's instructions (make it segfault, and get a backtrace). Actually, after typing "bt", it might help to also say "bt full", to provide additional information (about local variable values), without cluttering up the initial backtrace.

- Michael


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