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Calling
program functions
The following documentation
discusses GDB’s call
command.
callexpr
Evaluate the expression,
expr,
without displaying void
returned values.
You can use this variant
of the print
command if you want to execute a function from your program, but without
cluttering the output with void
returned values. If the result is not void,
it is printed and saved in the value history.
A new user-controlled variable,
call_scratch_address,
specifies the location of a scratch area to be used when GDB calls a function
in the target. This is necessary because the usual method of putting the
scratch area on the stack does not work in systems that have separate instruction
and data spaces.
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