(struct cursor): Add member sigcontext_format. (dwarf_putfp): Fix typo. (dwarf_getfp): Mark with C preprocessor warning while it's not fully 	implemented.  Check for NULL-location first. (dwarf_putfp): Likewise. (dwarf_get): Likewise. (dwarf_put): Likewise. (tdep_needs_initialization): New macro. (tdep_init): Likewise. (tdep_get_as): Likewise. (tdep_get_as_arg): Likewise. (tdep_needs_initialization): Declare.
(struct cursor): Add member sigcontext_format.
(dwarf_putfp): Fix typo.
(dwarf_getfp): Mark with C preprocessor warning while it's not fully
	implemented.  Check for NULL-location first.
(dwarf_putfp): Likewise.
(dwarf_get): Likewise.
(dwarf_put): Likewise.
(tdep_needs_initialization): New macro.
(tdep_init): Likewise.
(tdep_get_as): Likewise.
(tdep_get_as_arg): Likewise.
(tdep_needs_initialization): Declare.

(Logical change 1.162)

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