Why use '/proc/self/exe' in prims.cc?

[Andrew Haley]

Ranjit Mathew writes:
 > Andrew Haley wrote:
 > > This patch should have fixed it:
 > > 
 > > 2002-06-04  H.J. Lu  (hjl@gnu.org)
 > > 
 > > 	* configure.in (--with-newlib): New option:
 > > 	Check ${with_newlib} instead of ${with_cross_host} for newlib.
 > > 	(HAVE_PROC_SELF_EXE): Defined to 1 only for cross compiling to
 > > 	Linux.
 > > 	* configure: Regenerated.
 > 
 > Sorry, I'd checked it only with GCJ 3.2 - seeing it still
 > in GCJ 3.3 (but not actually building with it) made me think
 > that it'd still have the same adverse effect.
 > 
 > What is the effect of not getting access to the complete
 > path to the executable? What is it needed for?

Stack traces.

Andrew.