(unw_get_proc_info): Implement a minimalistic version for x86.
(unw_get_proc_info): Implement a minimalistic version for x86.

(Logical change 1.81)

frida/libunwind,maltek/platform_external_libunwind,jrmuizel/libunwind,Keno/libunwind,CyanogenMod/android_external_libunwind,wdv4758h/libunwind,jrmuizel/libunwind,olibc/libunwind,zliu2014/libunwind-tilegx,vegard/libunwind,krytarowski/libunwind,dreal-deps/libunwind,cms-externals/libunwind,geekboxzone/lollipop_external_libunwind,cms-externals/libunwind,Keno/libunwind,mpercy/libunwind,krytarowski/libunwind,fdoray/libunwind,tronical/libunwind,unkadoug/libunwind,ehsan/libunwind,evaautomation/libunwind,adsharma/libunwind,libunwind/libunwind,fillexen/libunwind,dropbox/libunwind,cloudius-systems/libunwind,tronical/libunwind,geekboxzone/lollipop_external_libunwind,evaautomation/libunwind,rogwfu/libunwind,unkadoug/libunwind,frida/libunwind,bo-on-software/libunwind,libunwind/libunwind,ehsan/libunwind,joyent/libunwind,fillexen/libunwind,geekboxzone/lollipop_external_libunwind,rntz/libunwind,0xlab/0xdroid-external_libunwind,android-ia/platform_external_libunwind,cloudius-systems/libunwind,fillexen/libunwind,tony/libunwind,wdv4758h/libunwind,rntz/libunwind,fdoray/libunwind,tony/libunwind,vegard/libunwind,rantala/libunwind,cloudius-systems/libunwind,tkelman/libunwind,pathscale/libunwind,bo-on-software/libunwind,djwatson/libunwind,0xlab/0xdroid-external_libunwind,yuyichao/libunwind,igprof/libunwind,geekboxzone/mmallow_external_libunwind,DroidSim/platform_external_libunwind,dropbox/libunwind,mpercy/libunwind,krytarowski/libunwind,SyndicateRogue/libunwind,CyanogenMod/android_external_libunwind,maltek/platform_external_libunwind,adsharma/libunwind,geekboxzone/mmallow_external_libunwind,android-ia/platform_external_libunwind,rogwfu/libunwind,androidarmv6/android_external_libunwind,pathscale/libunwind,CyanogenMod/android_external_libunwind,maltek/platform_external_libunwind,SyndicateRogue/libunwind,igprof/libunwind,adsharma/libunwind,olibc/libunwind,olibc/libunwind,zeldin/platform_external_libunwind,Chilledheart/libunwind,atanasyan/libunwind-android,bo-on-software/libunwind,ehsan/libunwind,rogwfu/libunwind,atanasyan/libunwind,androidarmv6/android_external_libunwind,zeldin/platform_external_libunwind,tkelman/libunwind,project-zerus/libunwind,igprof/libunwind,zliu2014/libunwind-tilegx,evaautomation/libunwind,DroidSim/platform_external_libunwind,androidarmv6/android_external_libunwind,project-zerus/libunwind,atanasyan/libunwind-android,yuyichao/libunwind,Chilledheart/libunwind,project-zerus/libunwind,zliu2014/libunwind-tilegx,vtjnash/libunwind,vegard/libunwind,atanasyan/libunwind-android,atanasyan/libunwind,fdoray/libunwind,unkadoug/libunwind,vtjnash/libunwind,rantala/libunwind,0xlab/0xdroid-external_libunwind,dagar/libunwind,dreal-deps/libunwind,lat/libunwind,rntz/libunwind,geekboxzone/mmallow_external_libunwind,joyent/libunwind,djwatson/libunwind,tony/libunwind,martyone/libunwind,dagar/libunwind,pathscale/libunwind,lat/libunwind,jrmuizel/libunwind,martyone/libunwind,dreal-deps/libunwind,dropbox/libunwind,tronical/libunwind,martyone/libunwind,atanasyan/libunwind,lat/libunwind,SyndicateRogue/libunwind,wdv4758h/libunwind,Keno/libunwind,mpercy/libunwind,djwatson/libunwind,Chilledheart/libunwind,zeldin/platform_external_libunwind,frida/libunwind,joyent/libunwind,android-ia/platform_external_libunwind,rantala/libunwind,yuyichao/libunwind,libunwind/libunwind,cms-externals/libunwind,vtjnash/libunwind,tkelman/libunwind,DroidSim/platform_external_libunwind,dagar/libunwind