[nhc-users] Debugger related
Malcolm Wallace
Malcolm.Wallace at cs.york.ac.uk
Wed May 11 06:13:57 EDT 2005
Arunkumar S Jadhav <arunk at it.iitb.ac.in> writes:
> Now my doubt: Will the debugger option (-ggdb3) cause the compiler
> to emit any i386 instructions that wouldn't have been emitted otherwise.
> In otherwords, does gcc compiler "insert" extra machine (i386 in my case)
> instructions for the purpose of debugging ?
As I understand it, the -g compilation flag just adds extra information
tables to the object file, not extra code. In particular, the fact
that you can combine the -g option with -O for optimisation strongly
suggests that no extra instructions are emitted.
Regards,
Malcolm
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