On Fri, 11 Nov 2016, Jiong Wang wrote: > There are two ways of introducing these AArch64 support: > * Introducing a few target macros so we can customize functions like > uw_init_context, uw_install_context etc. > * Use target private unwind-dw2 implementation, i.e duplicate the generic > unwind-dw2.c into target config directory and use it instead of generic > one. > This is current used by IA64 and CR16 is using. > > I am not sure which approach is the convention in libgcc, Ian, any comments on > this?
Although as you note duplication has been used before, I think it should be strongly discouraged; duplicated files are unlikely to be kept up to date with relevant changes to the main file. -- Joseph S. Myers jos...@codesourcery.com
