r205562 - in /branches/gcc-4_8-branch/libgo/run...

[ian@gcc.gnu.org]

Author: ian
Date: Sun Dec  1 01:40:39 2013
New Revision: 205562

URL: http://gcc.gnu.org/viewcvs?rev=205562&root=gcc&view=rev
Log:
libgo: Avoid some cases of getting callers recursively.

Avoids hanging inside older versions of glibc that do not
support recurive calls to dl_iterate_phdr.

Modified:
    branches/gcc-4_8-branch/libgo/runtime/go-callers.c
    branches/gcc-4_8-branch/libgo/runtime/proc.c
    branches/gcc-4_8-branch/libgo/runtime/runtime.h