Re: The gdb x86 function prologue parser

[Michael Snyder <msnyder at redhat dot com>]

Eli Zaretskii wrote:
> > Cc: Mark Kettenis <mark.kettenis@xs4all.nl>, jason-swarelist@molenda.com,
> >        gdb-patches@sources.redhat.com
> > From: Klee Dienes <klee@mit.edu>
> > Date: Sun, 12 Jun 2005 07:59:01 -0400
> >
> > (2) gets used by GDB when it wants to know where to set a breakpoint  
> > (the idea being that when you say "break foo", it wants to insert the  
> > breakpoint in foo() after the prologue has been fully executed).
> >
> > It also gets used where GDB wants to know if it is inside a function  
> > prologue for some reason (for example, so "next" knows if it has  
> > stepped into a new function, or simply jumped interprocedurally).
>
>
> Thanks.
>
> (I'm collecting info for gdbint.texinfo, that's why I asked.)

Also so "step into" can step past the prologue and not stop
until it has reached user code.  Same basic purpose as 2),
but different context.